F: Documentation/networking/device_drivers/amazon/ena.txt
F: drivers/net/ethernet/amazon/
+AMAZON RDMA EFA DRIVER
+M: Gal Pressman <galpress@amazon.com>
+R: Yossi Leybovich <sleybo@amazon.com>
+L: linux-rdma@vger.kernel.org
+Q: https://patchwork.kernel.org/project/linux-rdma/list/
+S: Supported
+F: drivers/infiniband/hw/efa/
+F: include/uapi/rdma/efa-abi.h
+
AMD CRYPTOGRAPHIC COPROCESSOR (CCP) DRIVER
M: Tom Lendacky <thomas.lendacky@amd.com>
M: Gary Hook <gary.hook@amd.com>
F: drivers/scsi/cxgbi/cxgb3i
CXGB3 IWARP RNIC DRIVER (IW_CXGB3)
-M: Steve Wise <swise@chelsio.com>
+M: Potnuri Bharat Teja <bharat@chelsio.com>
L: linux-rdma@vger.kernel.org
W: http://www.openfabrics.org
S: Supported
F: drivers/scsi/cxgbi/cxgb4i
CXGB4 IWARP RNIC DRIVER (IW_CXGB4)
-M: Steve Wise <swise@chelsio.com>
+M: Potnuri Bharat Teja <bharat@chelsio.com>
L: linux-rdma@vger.kernel.org
W: http://www.openfabrics.org
S: Supported
F: include/uapi/linux/if_infiniband.h
F: include/uapi/rdma/
F: include/rdma/
+F: include/trace/events/ib_mad.h
+F: include/trace/events/ib_umad.h
+F: samples/bpf/ibumad_kern.c
+F: samples/bpf/ibumad_user.c
INGENIC JZ4780 DMA Driver
M: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com>
source "drivers/infiniband/hw/qib/Kconfig"
source "drivers/infiniband/hw/cxgb3/Kconfig"
source "drivers/infiniband/hw/cxgb4/Kconfig"
+source "drivers/infiniband/hw/efa/Kconfig"
source "drivers/infiniband/hw/i40iw/Kconfig"
source "drivers/infiniband/hw/mlx4/Kconfig"
source "drivers/infiniband/hw/mlx5/Kconfig"
#include <net/ipv6_stubs.h>
#include <net/ip6_route.h>
#include <rdma/ib_addr.h>
+#include <rdma/ib_cache.h>
#include <rdma/ib_sa.h>
#include <rdma/ib.h>
#include <rdma/rdma_netlink.h>
GID_TABLE_ENTRY_PENDING_DEL = 3,
};
+struct roce_gid_ndev_storage {
+ struct rcu_head rcu_head;
+ struct net_device *ndev;
+};
+
struct ib_gid_table_entry {
struct kref kref;
struct work_struct del_work;
struct ib_gid_attr attr;
void *context;
+ /* Store the ndev pointer to release reference later on in
+ * call_rcu context because by that time gid_table_entry
+ * and attr might be already freed. So keep a copy of it.
+ * ndev_storage is freed by rcu callback.
+ */
+ struct roce_gid_ndev_storage *ndev_storage;
enum gid_table_entry_state state;
};
queue_work(ib_wq, &entry->del_work);
}
+static void put_gid_ndev(struct rcu_head *head)
+{
+ struct roce_gid_ndev_storage *storage =
+ container_of(head, struct roce_gid_ndev_storage, rcu_head);
+
+ WARN_ON(!storage->ndev);
+ /* At this point its safe to release netdev reference,
+ * as all callers working on gid_attr->ndev are done
+ * using this netdev.
+ */
+ dev_put(storage->ndev);
+ kfree(storage);
+}
+
static void free_gid_entry_locked(struct ib_gid_table_entry *entry)
{
struct ib_device *device = entry->attr.device;
/* Now this index is ready to be allocated */
write_unlock_irq(&table->rwlock);
- if (entry->attr.ndev)
- dev_put(entry->attr.ndev);
+ if (entry->ndev_storage)
+ call_rcu(&entry->ndev_storage->rcu_head, put_gid_ndev);
kfree(entry);
}
alloc_gid_entry(const struct ib_gid_attr *attr)
{
struct ib_gid_table_entry *entry;
+ struct net_device *ndev;
entry = kzalloc(sizeof(*entry), GFP_KERNEL);
if (!entry)
return NULL;
+
+ ndev = rcu_dereference_protected(attr->ndev, 1);
+ if (ndev) {
+ entry->ndev_storage = kzalloc(sizeof(*entry->ndev_storage),
+ GFP_KERNEL);
+ if (!entry->ndev_storage) {
+ kfree(entry);
+ return NULL;
+ }
+ dev_hold(ndev);
+ entry->ndev_storage->ndev = ndev;
+ }
kref_init(&entry->kref);
memcpy(&entry->attr, attr, sizeof(*attr));
- if (entry->attr.ndev)
- dev_hold(entry->attr.ndev);
INIT_WORK(&entry->del_work, free_gid_work);
entry->state = GID_TABLE_ENTRY_INVALID;
return entry;
static void del_gid(struct ib_device *ib_dev, u8 port,
struct ib_gid_table *table, int ix)
{
+ struct roce_gid_ndev_storage *ndev_storage;
struct ib_gid_table_entry *entry;
lockdep_assert_held(&table->lock);
table->data_vec[ix] = NULL;
write_unlock_irq(&table->rwlock);
+ ndev_storage = entry->ndev_storage;
+ if (ndev_storage) {
+ entry->ndev_storage = NULL;
+ rcu_assign_pointer(entry->attr.ndev, NULL);
+ call_rcu(&ndev_storage->rcu_head, put_gid_ndev);
+ }
+
if (rdma_cap_roce_gid_table(ib_dev, port))
ib_dev->ops.del_gid(&entry->attr, &entry->context);
int ib_cache_gid_add(struct ib_device *ib_dev, u8 port,
union ib_gid *gid, struct ib_gid_attr *attr)
{
- struct net_device *idev;
- unsigned long mask;
- int ret;
-
- idev = ib_device_get_netdev(ib_dev, port);
- if (idev && attr->ndev != idev) {
- union ib_gid default_gid;
-
- /* Adding default GIDs is not permitted */
- make_default_gid(idev, &default_gid);
- if (!memcmp(gid, &default_gid, sizeof(*gid))) {
- dev_put(idev);
- return -EPERM;
- }
- }
- if (idev)
- dev_put(idev);
-
- mask = GID_ATTR_FIND_MASK_GID |
- GID_ATTR_FIND_MASK_GID_TYPE |
- GID_ATTR_FIND_MASK_NETDEV;
+ unsigned long mask = GID_ATTR_FIND_MASK_GID |
+ GID_ATTR_FIND_MASK_GID_TYPE |
+ GID_ATTR_FIND_MASK_NETDEV;
- ret = __ib_cache_gid_add(ib_dev, port, gid, attr, mask, false);
- return ret;
+ return __ib_cache_gid_add(ib_dev, port, gid, attr, mask, false);
}
static int
read_lock_irqsave(&table->rwlock, flags);
valid = is_gid_entry_valid(table->data_vec[attr->index]);
- if (valid && attr->ndev && (READ_ONCE(attr->ndev->flags) & IFF_UP))
- ndev = attr->ndev;
+ if (valid) {
+ ndev = rcu_dereference(attr->ndev);
+ if (!ndev ||
+ (ndev && ((READ_ONCE(ndev->flags) & IFF_UP) == 0)))
+ ndev = ERR_PTR(-ENODEV);
+ }
read_unlock_irqrestore(&table->rwlock, flags);
return ndev;
}
+EXPORT_SYMBOL(rdma_read_gid_attr_ndev_rcu);
+
+static int get_lower_dev_vlan(struct net_device *lower_dev, void *data)
+{
+ u16 *vlan_id = data;
+
+ if (is_vlan_dev(lower_dev))
+ *vlan_id = vlan_dev_vlan_id(lower_dev);
+
+ /* We are interested only in first level vlan device, so
+ * always return 1 to stop iterating over next level devices.
+ */
+ return 1;
+}
+
+/**
+ * rdma_read_gid_l2_fields - Read the vlan ID and source MAC address
+ * of a GID entry.
+ *
+ * @attr: GID attribute pointer whose L2 fields to be read
+ * @vlan_id: Pointer to vlan id to fill up if the GID entry has
+ * vlan id. It is optional.
+ * @smac: Pointer to smac to fill up for a GID entry. It is optional.
+ *
+ * rdma_read_gid_l2_fields() returns 0 on success and returns vlan id
+ * (if gid entry has vlan) and source MAC, or returns error.
+ */
+int rdma_read_gid_l2_fields(const struct ib_gid_attr *attr,
+ u16 *vlan_id, u8 *smac)
+{
+ struct net_device *ndev;
+
+ rcu_read_lock();
+ ndev = rcu_dereference(attr->ndev);
+ if (!ndev) {
+ rcu_read_unlock();
+ return -ENODEV;
+ }
+ if (smac)
+ ether_addr_copy(smac, ndev->dev_addr);
+ if (vlan_id) {
+ *vlan_id = 0xffff;
+ if (is_vlan_dev(ndev)) {
+ *vlan_id = vlan_dev_vlan_id(ndev);
+ } else {
+ /* If the netdev is upper device and if it's lower
+ * device is vlan device, consider vlan id of the
+ * the lower vlan device for this gid entry.
+ */
+ netdev_walk_all_lower_dev_rcu(attr->ndev,
+ get_lower_dev_vlan, vlan_id);
+ }
+ }
+ rcu_read_unlock();
+ return 0;
+}
+EXPORT_SYMBOL(rdma_read_gid_l2_fields);
static int config_non_roce_gid_cache(struct ib_device *device,
u8 port, int gid_tbl_len)
event->event == IB_EVENT_PORT_ACTIVE ||
event->event == IB_EVENT_LID_CHANGE ||
event->event == IB_EVENT_PKEY_CHANGE ||
- event->event == IB_EVENT_SM_CHANGE ||
event->event == IB_EVENT_CLIENT_REREGISTER ||
event->event == IB_EVENT_GID_CHANGE) {
work = kmalloc(sizeof *work, GFP_ATOMIC);
#include <rdma/ib_cache.h>
#include <rdma/ib_cm.h>
#include "cm_msgs.h"
+#include "core_priv.h"
MODULE_AUTHOR("Sean Hefty");
MODULE_DESCRIPTION("InfiniBand CM");
struct rb_root remote_qp_table;
struct rb_root remote_id_table;
struct rb_root remote_sidr_table;
- struct idr local_id_table;
+ struct xarray local_id_table;
+ u32 local_id_next;
__be32 random_id_operand;
struct list_head timewait_list;
struct workqueue_struct *wq;
struct cm_device {
struct list_head list;
struct ib_device *ib_device;
- struct device *device;
u8 ack_delay;
int going_down;
struct cm_port *port[0];
static int cm_alloc_id(struct cm_id_private *cm_id_priv)
{
- unsigned long flags;
- int id;
-
- idr_preload(GFP_KERNEL);
- spin_lock_irqsave(&cm.lock, flags);
+ int err;
+ u32 id;
- id = idr_alloc_cyclic(&cm.local_id_table, cm_id_priv, 0, 0, GFP_NOWAIT);
-
- spin_unlock_irqrestore(&cm.lock, flags);
- idr_preload_end();
+ err = xa_alloc_cyclic_irq(&cm.local_id_table, &id, cm_id_priv,
+ xa_limit_32b, &cm.local_id_next, GFP_KERNEL);
cm_id_priv->id.local_id = (__force __be32)id ^ cm.random_id_operand;
- return id < 0 ? id : 0;
+ return err;
+}
+
+static u32 cm_local_id(__be32 local_id)
+{
+ return (__force u32) (local_id ^ cm.random_id_operand);
}
static void cm_free_id(__be32 local_id)
{
- spin_lock_irq(&cm.lock);
- idr_remove(&cm.local_id_table,
- (__force int) (local_id ^ cm.random_id_operand));
- spin_unlock_irq(&cm.lock);
+ xa_erase_irq(&cm.local_id_table, cm_local_id(local_id));
}
static struct cm_id_private * cm_get_id(__be32 local_id, __be32 remote_id)
{
struct cm_id_private *cm_id_priv;
- cm_id_priv = idr_find(&cm.local_id_table,
- (__force int) (local_id ^ cm.random_id_operand));
+ cm_id_priv = xa_load(&cm.local_id_table, cm_local_id(local_id));
if (cm_id_priv) {
if (cm_id_priv->id.remote_id == remote_id)
atomic_inc(&cm_id_priv->refcount);
grh = rdma_ah_read_grh(&cm_id_priv->av.ah_attr);
gid_attr = grh->sgid_attr;
- if (gid_attr && gid_attr->ndev) {
+ if (gid_attr &&
+ rdma_protocol_roce(work->port->cm_dev->ib_device,
+ work->port->port_num)) {
work->path[0].rec_type =
sa_conv_gid_to_pathrec_type(gid_attr->gid_type);
} else {
- /* If no GID attribute or ndev is null, it is not RoCE. */
cm_path_set_rec_type(work->port->cm_dev->ib_device,
work->port->port_num,
&work->path[0],
spin_unlock_irq(&cm.lock);
return NULL;
}
- cm_id_priv = idr_find(&cm.local_id_table, (__force int)
- (timewait_info->work.local_id ^
- cm.random_id_operand));
+ cm_id_priv = xa_load(&cm.local_id_table,
+ cm_local_id(timewait_info->work.local_id));
if (cm_id_priv) {
if (cm_id_priv->id.remote_id == remote_id)
atomic_inc(&cm_id_priv->refcount);
.default_attrs = cm_counter_default_attrs
};
-static void cm_release_port_obj(struct kobject *obj)
-{
- struct cm_port *cm_port;
-
- cm_port = container_of(obj, struct cm_port, port_obj);
- kfree(cm_port);
-}
-
-static struct kobj_type cm_port_obj_type = {
- .release = cm_release_port_obj
-};
-
static char *cm_devnode(struct device *dev, umode_t *mode)
{
if (mode)
{
int i, ret;
- ret = kobject_init_and_add(&port->port_obj, &cm_port_obj_type,
- &port->cm_dev->device->kobj,
- "%d", port->port_num);
- if (ret) {
- kfree(port);
- return ret;
- }
-
for (i = 0; i < CM_COUNTER_GROUPS; i++) {
- ret = kobject_init_and_add(&port->counter_group[i].obj,
- &cm_counter_obj_type,
- &port->port_obj,
- "%s", counter_group_names[i]);
+ ret = ib_port_register_module_stat(port->cm_dev->ib_device,
+ port->port_num,
+ &port->counter_group[i].obj,
+ &cm_counter_obj_type,
+ counter_group_names[i]);
if (ret)
goto error;
}
error:
while (i--)
- kobject_put(&port->counter_group[i].obj);
- kobject_put(&port->port_obj);
+ ib_port_unregister_module_stat(&port->counter_group[i].obj);
return ret;
}
int i;
for (i = 0; i < CM_COUNTER_GROUPS; i++)
- kobject_put(&port->counter_group[i].obj);
+ ib_port_unregister_module_stat(&port->counter_group[i].obj);
- kobject_put(&port->port_obj);
}
static void cm_add_one(struct ib_device *ib_device)
cm_dev->ib_device = ib_device;
cm_dev->ack_delay = ib_device->attrs.local_ca_ack_delay;
cm_dev->going_down = 0;
- cm_dev->device = device_create(&cm_class, &ib_device->dev,
- MKDEV(0, 0), NULL,
- "%s", dev_name(&ib_device->dev));
- if (IS_ERR(cm_dev->device)) {
- kfree(cm_dev);
- return;
- }
set_bit(IB_MGMT_METHOD_SEND, reg_req.method_mask);
for (i = 1; i <= ib_device->phys_port_cnt; i++) {
cm_remove_port_fs(port);
}
free:
- device_unregister(cm_dev->device);
kfree(cm_dev);
}
cm_remove_port_fs(port);
}
- device_unregister(cm_dev->device);
kfree(cm_dev);
}
{
int ret;
- memset(&cm, 0, sizeof cm);
INIT_LIST_HEAD(&cm.device_list);
rwlock_init(&cm.device_lock);
spin_lock_init(&cm.lock);
cm.remote_id_table = RB_ROOT;
cm.remote_qp_table = RB_ROOT;
cm.remote_sidr_table = RB_ROOT;
- idr_init(&cm.local_id_table);
+ xa_init_flags(&cm.local_id_table, XA_FLAGS_ALLOC | XA_FLAGS_LOCK_IRQ);
get_random_bytes(&cm.random_id_operand, sizeof cm.random_id_operand);
INIT_LIST_HEAD(&cm.timewait_list);
error2:
class_unregister(&cm_class);
error1:
- idr_destroy(&cm.local_id_table);
return ret;
}
}
class_unregister(&cm_class);
- idr_destroy(&cm.local_id_table);
+ WARN_ON(!xa_empty(&cm.local_id_table));
}
module_init(ib_cm_init);
module_exit(ib_cm_cleanup);
-
u32 private_data[IB_CM_REQ_PRIVATE_DATA_SIZE / sizeof(u32)];
-} __attribute__ ((packed));
+} __packed;
static inline __be32 cm_req_get_local_qpn(struct cm_req_msg *req_msg)
{
u8 private_data[IB_CM_MRA_PRIVATE_DATA_SIZE];
-} __attribute__ ((packed));
+} __packed;
static inline u8 cm_mra_get_msg_mraed(struct cm_mra_msg *mra_msg)
{
u8 private_data[IB_CM_REJ_PRIVATE_DATA_SIZE];
-} __attribute__ ((packed));
+} __packed;
static inline u8 cm_rej_get_msg_rejected(struct cm_rej_msg *rej_msg)
{
u8 private_data[IB_CM_REP_PRIVATE_DATA_SIZE];
-} __attribute__ ((packed));
+} __packed;
static inline __be32 cm_rep_get_local_qpn(struct cm_rep_msg *rep_msg)
{
u8 private_data[IB_CM_RTU_PRIVATE_DATA_SIZE];
-} __attribute__ ((packed));
+} __packed;
struct cm_dreq_msg {
struct ib_mad_hdr hdr;
u8 private_data[IB_CM_DREQ_PRIVATE_DATA_SIZE];
-} __attribute__ ((packed));
+} __packed;
static inline __be32 cm_dreq_get_remote_qpn(struct cm_dreq_msg *dreq_msg)
{
u8 private_data[IB_CM_DREP_PRIVATE_DATA_SIZE];
-} __attribute__ ((packed));
+} __packed;
struct cm_lap_msg {
struct ib_mad_hdr hdr;
u8 offset63;
u8 private_data[IB_CM_LAP_PRIVATE_DATA_SIZE];
-} __attribute__ ((packed));
+} __packed;
static inline __be32 cm_lap_get_remote_qpn(struct cm_lap_msg *lap_msg)
{
u8 info[IB_CM_APR_INFO_LENGTH];
u8 private_data[IB_CM_APR_PRIVATE_DATA_SIZE];
-} __attribute__ ((packed));
+} __packed;
struct cm_sidr_req_msg {
struct ib_mad_hdr hdr;
__be64 service_id;
u32 private_data[IB_CM_SIDR_REQ_PRIVATE_DATA_SIZE / sizeof(u32)];
-} __attribute__ ((packed));
+} __packed;
struct cm_sidr_rep_msg {
struct ib_mad_hdr hdr;
u8 info[IB_CM_SIDR_REP_INFO_LENGTH];
u8 private_data[IB_CM_SIDR_REP_PRIVATE_DATA_SIZE];
-} __attribute__ ((packed));
+} __packed;
static inline __be32 cm_sidr_rep_get_qpn(struct cm_sidr_rep_msg *sidr_rep_msg)
{
#include <linux/mutex.h>
#include <linux/random.h>
#include <linux/igmp.h>
-#include <linux/idr.h>
+#include <linux/xarray.h>
#include <linux/inetdevice.h>
#include <linux/slab.h>
#include <linux/module.h>
static unsigned int cma_pernet_id;
struct cma_pernet {
- struct idr tcp_ps;
- struct idr udp_ps;
- struct idr ipoib_ps;
- struct idr ib_ps;
+ struct xarray tcp_ps;
+ struct xarray udp_ps;
+ struct xarray ipoib_ps;
+ struct xarray ib_ps;
};
static struct cma_pernet *cma_pernet(struct net *net)
return net_generic(net, cma_pernet_id);
}
-static struct idr *cma_pernet_idr(struct net *net, enum rdma_ucm_port_space ps)
+static
+struct xarray *cma_pernet_xa(struct net *net, enum rdma_ucm_port_space ps)
{
struct cma_pernet *pernet = cma_pernet(net);
static int cma_ps_alloc(struct net *net, enum rdma_ucm_port_space ps,
struct rdma_bind_list *bind_list, int snum)
{
- struct idr *idr = cma_pernet_idr(net, ps);
+ struct xarray *xa = cma_pernet_xa(net, ps);
- return idr_alloc(idr, bind_list, snum, snum + 1, GFP_KERNEL);
+ return xa_insert(xa, snum, bind_list, GFP_KERNEL);
}
static struct rdma_bind_list *cma_ps_find(struct net *net,
enum rdma_ucm_port_space ps, int snum)
{
- struct idr *idr = cma_pernet_idr(net, ps);
+ struct xarray *xa = cma_pernet_xa(net, ps);
- return idr_find(idr, snum);
+ return xa_load(xa, snum);
}
static void cma_ps_remove(struct net *net, enum rdma_ucm_port_space ps,
int snum)
{
- struct idr *idr = cma_pernet_idr(net, ps);
+ struct xarray *xa = cma_pernet_xa(net, ps);
- idr_remove(idr, snum);
+ xa_erase(xa, snum);
}
enum {
int dev_type = dev_addr->dev_type;
struct net_device *ndev = NULL;
+ if (!rdma_dev_access_netns(device, id_priv->id.route.addr.dev_addr.net))
+ return ERR_PTR(-ENODEV);
+
if ((dev_type == ARPHRD_INFINIBAND) && !rdma_protocol_ib(device, port))
return ERR_PTR(-ENODEV);
return cma_zero_addr(addr) || cma_loopback_addr(addr);
}
-static int cma_addr_cmp(struct sockaddr *src, struct sockaddr *dst)
+static int cma_addr_cmp(const struct sockaddr *src, const struct sockaddr *dst)
{
if (src->sa_family != dst->sa_family)
return -1;
switch (src->sa_family) {
case AF_INET:
- return ((struct sockaddr_in *) src)->sin_addr.s_addr !=
- ((struct sockaddr_in *) dst)->sin_addr.s_addr;
- case AF_INET6:
- return ipv6_addr_cmp(&((struct sockaddr_in6 *) src)->sin6_addr,
- &((struct sockaddr_in6 *) dst)->sin6_addr);
+ return ((struct sockaddr_in *)src)->sin_addr.s_addr !=
+ ((struct sockaddr_in *)dst)->sin_addr.s_addr;
+ case AF_INET6: {
+ struct sockaddr_in6 *src_addr6 = (struct sockaddr_in6 *)src;
+ struct sockaddr_in6 *dst_addr6 = (struct sockaddr_in6 *)dst;
+ bool link_local;
+
+ if (ipv6_addr_cmp(&src_addr6->sin6_addr,
+ &dst_addr6->sin6_addr))
+ return 1;
+ link_local = ipv6_addr_type(&dst_addr6->sin6_addr) &
+ IPV6_ADDR_LINKLOCAL;
+ /* Link local must match their scope_ids */
+ return link_local ? (src_addr6->sin6_scope_id !=
+ dst_addr6->sin6_scope_id) :
+ 0;
+ }
+
default:
return ib_addr_cmp(&((struct sockaddr_ib *) src)->sib_addr,
&((struct sockaddr_ib *) dst)->sib_addr);
roce_get_net_dev_by_cm_event(const struct ib_cm_event *ib_event)
{
const struct ib_gid_attr *sgid_attr = NULL;
+ struct net_device *ndev;
if (ib_event->event == IB_CM_REQ_RECEIVED)
sgid_attr = ib_event->param.req_rcvd.ppath_sgid_attr;
if (!sgid_attr)
return NULL;
- dev_hold(sgid_attr->ndev);
- return sgid_attr->ndev;
+
+ rcu_read_lock();
+ ndev = rdma_read_gid_attr_ndev_rcu(sgid_attr);
+ if (IS_ERR(ndev))
+ ndev = NULL;
+ else
+ dev_hold(ndev);
+ rcu_read_unlock();
+ return ndev;
}
static struct net_device *cma_get_net_dev(const struct ib_cm_event *ib_event,
goto err;
bind_list->ps = ps;
- bind_list->port = (unsigned short)ret;
+ bind_list->port = snum;
cma_bind_port(bind_list, id_priv);
return 0;
err:
{
struct cma_pernet *pernet = cma_pernet(net);
- idr_init(&pernet->tcp_ps);
- idr_init(&pernet->udp_ps);
- idr_init(&pernet->ipoib_ps);
- idr_init(&pernet->ib_ps);
+ xa_init(&pernet->tcp_ps);
+ xa_init(&pernet->udp_ps);
+ xa_init(&pernet->ipoib_ps);
+ xa_init(&pernet->ib_ps);
return 0;
}
{
struct cma_pernet *pernet = cma_pernet(net);
- idr_destroy(&pernet->tcp_ps);
- idr_destroy(&pernet->udp_ps);
- idr_destroy(&pernet->ipoib_ps);
- idr_destroy(&pernet->ib_ps);
+ WARN_ON(!xa_empty(&pernet->tcp_ps));
+ WARN_ON(!xa_empty(&pernet->udp_ps));
+ WARN_ON(!xa_empty(&pernet->ipoib_ps));
+ WARN_ON(!xa_empty(&pernet->ib_ps));
}
static struct pernet_operations cma_pernet_operations = {
};
extern const struct attribute_group ib_dev_attr_group;
+extern bool ib_devices_shared_netns;
int ib_device_register_sysfs(struct ib_device *device);
void ib_device_unregister_sysfs(struct ib_device *device);
}
#endif
-struct ib_device *ib_device_get_by_index(u32 ifindex);
+struct ib_device *ib_device_get_by_index(const struct net *net, u32 index);
+
/* RDMA device netlink */
void nldev_init(void);
void nldev_exit(void);
qp->device = dev;
qp->pd = pd;
qp->uobject = uobj;
+ qp->real_qp = qp;
/*
* We don't track XRC QPs for now, because they don't have PD
* and more importantly they are created internaly by driver,
const struct ib_gid_attr *attr);
struct net_device *rdma_read_gid_attr_ndev_rcu(const struct ib_gid_attr *attr);
+
+void ib_free_port_attrs(struct ib_core_device *coredev);
+int ib_setup_port_attrs(struct ib_core_device *coredev);
+
+int rdma_compatdev_set(u8 enable);
+
+int ib_port_register_module_stat(struct ib_device *device, u8 port_num,
+ struct kobject *kobj, struct kobj_type *ktype,
+ const char *name);
+void ib_port_unregister_module_stat(struct kobject *kobj);
+
+int ib_device_set_netns_put(struct sk_buff *skb,
+ struct ib_device *dev, u32 ns_fd);
#endif /* _CORE_PRIV_H */
* @comp_vector: HCA completion vectors for this CQ
* @poll_ctx: context to poll the CQ from.
* @caller: module owner name.
+ * @udata: Valid user data or NULL for kernel object
*
* This is the proper interface to allocate a CQ for in-kernel users. A
* CQ allocated with this interface will automatically be polled from the
* specified context. The ULP must use wr->wr_cqe instead of wr->wr_id
* to use this CQ abstraction.
*/
-struct ib_cq *__ib_alloc_cq(struct ib_device *dev, void *private,
- int nr_cqe, int comp_vector,
- enum ib_poll_context poll_ctx, const char *caller)
+struct ib_cq *__ib_alloc_cq_user(struct ib_device *dev, void *private,
+ int nr_cqe, int comp_vector,
+ enum ib_poll_context poll_ctx,
+ const char *caller, struct ib_udata *udata)
{
struct ib_cq_init_attr cq_attr = {
.cqe = nr_cqe,
struct ib_cq *cq;
int ret = -ENOMEM;
- cq = dev->ops.create_cq(dev, &cq_attr, NULL, NULL);
+ cq = dev->ops.create_cq(dev, &cq_attr, NULL);
if (IS_ERR(cq))
return cq;
kfree(cq->wc);
rdma_restrack_del(&cq->res);
out_destroy_cq:
- cq->device->ops.destroy_cq(cq);
+ cq->device->ops.destroy_cq(cq, udata);
return ERR_PTR(ret);
}
-EXPORT_SYMBOL(__ib_alloc_cq);
+EXPORT_SYMBOL(__ib_alloc_cq_user);
/**
* ib_free_cq - free a completion queue
* @cq: completion queue to free.
+ * @udata: User data or NULL for kernel object
*/
-void ib_free_cq(struct ib_cq *cq)
+void ib_free_cq_user(struct ib_cq *cq, struct ib_udata *udata)
{
int ret;
kfree(cq->wc);
rdma_restrack_del(&cq->res);
- ret = cq->device->ops.destroy_cq(cq);
+ ret = cq->device->ops.destroy_cq(cq, udata);
WARN_ON_ONCE(ret);
}
-EXPORT_SYMBOL(ib_free_cq);
+EXPORT_SYMBOL(ib_free_cq_user);
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/netdevice.h>
+#include <net/net_namespace.h>
+#include <net/netns/generic.h>
#include <linux/security.h>
#include <linux/notifier.h>
#include <linux/hashtable.h>
* be registered.
*/
#define CLIENT_DATA_REGISTERED XA_MARK_1
+
+/**
+ * struct rdma_dev_net - rdma net namespace metadata for a net
+ * @net: Pointer to owner net namespace
+ * @id: xarray id to identify the net namespace.
+ */
+struct rdma_dev_net {
+ possible_net_t net;
+ u32 id;
+};
+
+static unsigned int rdma_dev_net_id;
+
+/*
+ * A list of net namespaces is maintained in an xarray. This is necessary
+ * because we can't get the locking right using the existing net ns list. We
+ * would require a init_net callback after the list is updated.
+ */
+static DEFINE_XARRAY_FLAGS(rdma_nets, XA_FLAGS_ALLOC);
+/*
+ * rwsem to protect accessing the rdma_nets xarray entries.
+ */
+static DECLARE_RWSEM(rdma_nets_rwsem);
+
+bool ib_devices_shared_netns = true;
+module_param_named(netns_mode, ib_devices_shared_netns, bool, 0444);
+MODULE_PARM_DESC(netns_mode,
+ "Share device among net namespaces; default=1 (shared)");
+/**
+ * rdma_dev_access_netns() - Return whether a rdma device can be accessed
+ * from a specified net namespace or not.
+ * @device: Pointer to rdma device which needs to be checked
+ * @net: Pointer to net namesapce for which access to be checked
+ *
+ * rdma_dev_access_netns() - Return whether a rdma device can be accessed
+ * from a specified net namespace or not. When
+ * rdma device is in shared mode, it ignores the
+ * net namespace. When rdma device is exclusive
+ * to a net namespace, rdma device net namespace is
+ * checked against the specified one.
+ */
+bool rdma_dev_access_netns(const struct ib_device *dev, const struct net *net)
+{
+ return (ib_devices_shared_netns ||
+ net_eq(read_pnet(&dev->coredev.rdma_net), net));
+}
+EXPORT_SYMBOL(rdma_dev_access_netns);
+
/*
* xarray has this behavior where it won't iterate over NULL values stored in
* allocated arrays. So we need our own iterator to see all values stored in
static void ib_policy_change_task(struct work_struct *work);
static DECLARE_WORK(ib_policy_change_work, ib_policy_change_task);
+static void __ibdev_printk(const char *level, const struct ib_device *ibdev,
+ struct va_format *vaf)
+{
+ if (ibdev && ibdev->dev.parent)
+ dev_printk_emit(level[1] - '0',
+ ibdev->dev.parent,
+ "%s %s %s: %pV",
+ dev_driver_string(ibdev->dev.parent),
+ dev_name(ibdev->dev.parent),
+ dev_name(&ibdev->dev),
+ vaf);
+ else if (ibdev)
+ printk("%s%s: %pV",
+ level, dev_name(&ibdev->dev), vaf);
+ else
+ printk("%s(NULL ib_device): %pV", level, vaf);
+}
+
+void ibdev_printk(const char *level, const struct ib_device *ibdev,
+ const char *format, ...)
+{
+ struct va_format vaf;
+ va_list args;
+
+ va_start(args, format);
+
+ vaf.fmt = format;
+ vaf.va = &args;
+
+ __ibdev_printk(level, ibdev, &vaf);
+
+ va_end(args);
+}
+EXPORT_SYMBOL(ibdev_printk);
+
+#define define_ibdev_printk_level(func, level) \
+void func(const struct ib_device *ibdev, const char *fmt, ...) \
+{ \
+ struct va_format vaf; \
+ va_list args; \
+ \
+ va_start(args, fmt); \
+ \
+ vaf.fmt = fmt; \
+ vaf.va = &args; \
+ \
+ __ibdev_printk(level, ibdev, &vaf); \
+ \
+ va_end(args); \
+} \
+EXPORT_SYMBOL(func);
+
+define_ibdev_printk_level(ibdev_emerg, KERN_EMERG);
+define_ibdev_printk_level(ibdev_alert, KERN_ALERT);
+define_ibdev_printk_level(ibdev_crit, KERN_CRIT);
+define_ibdev_printk_level(ibdev_err, KERN_ERR);
+define_ibdev_printk_level(ibdev_warn, KERN_WARNING);
+define_ibdev_printk_level(ibdev_notice, KERN_NOTICE);
+define_ibdev_printk_level(ibdev_info, KERN_INFO);
+
static struct notifier_block ibdev_lsm_nb = {
.notifier_call = ib_security_change,
};
+static int rdma_dev_change_netns(struct ib_device *device, struct net *cur_net,
+ struct net *net);
+
/* Pointer to the RCU head at the start of the ib_port_data array */
struct ib_port_data_rcu {
struct rcu_head rcu_head;
* Caller must perform ib_device_put() to return the device reference count
* when ib_device_get_by_index() returns valid device pointer.
*/
-struct ib_device *ib_device_get_by_index(u32 index)
+struct ib_device *ib_device_get_by_index(const struct net *net, u32 index)
{
struct ib_device *device;
down_read(&devices_rwsem);
device = xa_load(&devices, index);
if (device) {
+ if (!rdma_dev_access_netns(device, net)) {
+ device = NULL;
+ goto out;
+ }
+
if (!ib_device_try_get(device))
device = NULL;
}
+out:
up_read(&devices_rwsem);
return device;
}
}
EXPORT_SYMBOL(ib_device_get_by_name);
+static int rename_compat_devs(struct ib_device *device)
+{
+ struct ib_core_device *cdev;
+ unsigned long index;
+ int ret = 0;
+
+ mutex_lock(&device->compat_devs_mutex);
+ xa_for_each (&device->compat_devs, index, cdev) {
+ ret = device_rename(&cdev->dev, dev_name(&device->dev));
+ if (ret) {
+ dev_warn(&cdev->dev,
+ "Fail to rename compatdev to new name %s\n",
+ dev_name(&device->dev));
+ break;
+ }
+ }
+ mutex_unlock(&device->compat_devs_mutex);
+ return ret;
+}
+
int ib_device_rename(struct ib_device *ibdev, const char *name)
{
int ret;
if (ret)
goto out;
strlcpy(ibdev->name, name, IB_DEVICE_NAME_MAX);
+ ret = rename_compat_devs(ibdev);
out:
up_write(&devices_rwsem);
return ret;
WARN_ON(refcount_read(&dev->refcount));
ib_cache_release_one(dev);
ib_security_release_port_pkey_list(dev);
+ xa_destroy(&dev->compat_devs);
xa_destroy(&dev->client_data);
if (dev->port_data)
kfree_rcu(container_of(dev->port_data, struct ib_port_data_rcu,
return 0;
}
+static const void *net_namespace(struct device *d)
+{
+ struct ib_core_device *coredev =
+ container_of(d, struct ib_core_device, dev);
+
+ return read_pnet(&coredev->rdma_net);
+}
+
static struct class ib_class = {
.name = "infiniband",
.dev_release = ib_device_release,
.dev_uevent = ib_device_uevent,
+ .ns_type = &net_ns_type_operations,
+ .namespace = net_namespace,
};
+static void rdma_init_coredev(struct ib_core_device *coredev,
+ struct ib_device *dev, struct net *net)
+{
+ /* This BUILD_BUG_ON is intended to catch layout change
+ * of union of ib_core_device and device.
+ * dev must be the first element as ib_core and providers
+ * driver uses it. Adding anything in ib_core_device before
+ * device will break this assumption.
+ */
+ BUILD_BUG_ON(offsetof(struct ib_device, coredev.dev) !=
+ offsetof(struct ib_device, dev));
+
+ coredev->dev.class = &ib_class;
+ coredev->dev.groups = dev->groups;
+ device_initialize(&coredev->dev);
+ coredev->owner = dev;
+ INIT_LIST_HEAD(&coredev->port_list);
+ write_pnet(&coredev->rdma_net, net);
+}
+
/**
* _ib_alloc_device - allocate an IB device struct
* @size:size of structure to allocate
return NULL;
}
- device->dev.class = &ib_class;
device->groups[0] = &ib_dev_attr_group;
- device->dev.groups = device->groups;
- device_initialize(&device->dev);
+ rdma_init_coredev(&device->coredev, device, &init_net);
INIT_LIST_HEAD(&device->event_handler_list);
spin_lock_init(&device->event_handler_lock);
*/
xa_init_flags(&device->client_data, XA_FLAGS_ALLOC);
init_rwsem(&device->client_data_rwsem);
- INIT_LIST_HEAD(&device->port_list);
+ xa_init_flags(&device->compat_devs, XA_FLAGS_ALLOC);
+ mutex_init(&device->compat_devs_mutex);
init_completion(&device->unreg_completion);
INIT_WORK(&device->unregistration_work, ib_unregister_work);
/* Expedite releasing netdev references */
free_netdevs(device);
+ WARN_ON(!xa_empty(&device->compat_devs));
WARN_ON(!xa_empty(&device->client_data));
WARN_ON(refcount_read(&device->refcount));
rdma_restrack_clean(device);
return NOTIFY_OK;
}
+static void compatdev_release(struct device *dev)
+{
+ struct ib_core_device *cdev =
+ container_of(dev, struct ib_core_device, dev);
+
+ kfree(cdev);
+}
+
+static int add_one_compat_dev(struct ib_device *device,
+ struct rdma_dev_net *rnet)
+{
+ struct ib_core_device *cdev;
+ int ret;
+
+ lockdep_assert_held(&rdma_nets_rwsem);
+ if (!ib_devices_shared_netns)
+ return 0;
+
+ /*
+ * Create and add compat device in all namespaces other than where it
+ * is currently bound to.
+ */
+ if (net_eq(read_pnet(&rnet->net),
+ read_pnet(&device->coredev.rdma_net)))
+ return 0;
+
+ /*
+ * The first of init_net() or ib_register_device() to take the
+ * compat_devs_mutex wins and gets to add the device. Others will wait
+ * for completion here.
+ */
+ mutex_lock(&device->compat_devs_mutex);
+ cdev = xa_load(&device->compat_devs, rnet->id);
+ if (cdev) {
+ ret = 0;
+ goto done;
+ }
+ ret = xa_reserve(&device->compat_devs, rnet->id, GFP_KERNEL);
+ if (ret)
+ goto done;
+
+ cdev = kzalloc(sizeof(*cdev), GFP_KERNEL);
+ if (!cdev) {
+ ret = -ENOMEM;
+ goto cdev_err;
+ }
+
+ cdev->dev.parent = device->dev.parent;
+ rdma_init_coredev(cdev, device, read_pnet(&rnet->net));
+ cdev->dev.release = compatdev_release;
+ dev_set_name(&cdev->dev, "%s", dev_name(&device->dev));
+
+ ret = device_add(&cdev->dev);
+ if (ret)
+ goto add_err;
+ ret = ib_setup_port_attrs(cdev);
+ if (ret)
+ goto port_err;
+
+ ret = xa_err(xa_store(&device->compat_devs, rnet->id,
+ cdev, GFP_KERNEL));
+ if (ret)
+ goto insert_err;
+
+ mutex_unlock(&device->compat_devs_mutex);
+ return 0;
+
+insert_err:
+ ib_free_port_attrs(cdev);
+port_err:
+ device_del(&cdev->dev);
+add_err:
+ put_device(&cdev->dev);
+cdev_err:
+ xa_release(&device->compat_devs, rnet->id);
+done:
+ mutex_unlock(&device->compat_devs_mutex);
+ return ret;
+}
+
+static void remove_one_compat_dev(struct ib_device *device, u32 id)
+{
+ struct ib_core_device *cdev;
+
+ mutex_lock(&device->compat_devs_mutex);
+ cdev = xa_erase(&device->compat_devs, id);
+ mutex_unlock(&device->compat_devs_mutex);
+ if (cdev) {
+ ib_free_port_attrs(cdev);
+ device_del(&cdev->dev);
+ put_device(&cdev->dev);
+ }
+}
+
+static void remove_compat_devs(struct ib_device *device)
+{
+ struct ib_core_device *cdev;
+ unsigned long index;
+
+ xa_for_each (&device->compat_devs, index, cdev)
+ remove_one_compat_dev(device, index);
+}
+
+static int add_compat_devs(struct ib_device *device)
+{
+ struct rdma_dev_net *rnet;
+ unsigned long index;
+ int ret = 0;
+
+ lockdep_assert_held(&devices_rwsem);
+
+ down_read(&rdma_nets_rwsem);
+ xa_for_each (&rdma_nets, index, rnet) {
+ ret = add_one_compat_dev(device, rnet);
+ if (ret)
+ break;
+ }
+ up_read(&rdma_nets_rwsem);
+ return ret;
+}
+
+static void remove_all_compat_devs(void)
+{
+ struct ib_compat_device *cdev;
+ struct ib_device *dev;
+ unsigned long index;
+
+ down_read(&devices_rwsem);
+ xa_for_each (&devices, index, dev) {
+ unsigned long c_index = 0;
+
+ /* Hold nets_rwsem so that any other thread modifying this
+ * system param can sync with this thread.
+ */
+ down_read(&rdma_nets_rwsem);
+ xa_for_each (&dev->compat_devs, c_index, cdev)
+ remove_one_compat_dev(dev, c_index);
+ up_read(&rdma_nets_rwsem);
+ }
+ up_read(&devices_rwsem);
+}
+
+static int add_all_compat_devs(void)
+{
+ struct rdma_dev_net *rnet;
+ struct ib_device *dev;
+ unsigned long index;
+ int ret = 0;
+
+ down_read(&devices_rwsem);
+ xa_for_each_marked (&devices, index, dev, DEVICE_REGISTERED) {
+ unsigned long net_index = 0;
+
+ /* Hold nets_rwsem so that any other thread modifying this
+ * system param can sync with this thread.
+ */
+ down_read(&rdma_nets_rwsem);
+ xa_for_each (&rdma_nets, net_index, rnet) {
+ ret = add_one_compat_dev(dev, rnet);
+ if (ret)
+ break;
+ }
+ up_read(&rdma_nets_rwsem);
+ }
+ up_read(&devices_rwsem);
+ if (ret)
+ remove_all_compat_devs();
+ return ret;
+}
+
+int rdma_compatdev_set(u8 enable)
+{
+ struct rdma_dev_net *rnet;
+ unsigned long index;
+ int ret = 0;
+
+ down_write(&rdma_nets_rwsem);
+ if (ib_devices_shared_netns == enable) {
+ up_write(&rdma_nets_rwsem);
+ return 0;
+ }
+
+ /* enable/disable of compat devices is not supported
+ * when more than default init_net exists.
+ */
+ xa_for_each (&rdma_nets, index, rnet) {
+ ret++;
+ break;
+ }
+ if (!ret)
+ ib_devices_shared_netns = enable;
+ up_write(&rdma_nets_rwsem);
+ if (ret)
+ return -EBUSY;
+
+ if (enable)
+ ret = add_all_compat_devs();
+ else
+ remove_all_compat_devs();
+ return ret;
+}
+
+static void rdma_dev_exit_net(struct net *net)
+{
+ struct rdma_dev_net *rnet = net_generic(net, rdma_dev_net_id);
+ struct ib_device *dev;
+ unsigned long index;
+ int ret;
+
+ down_write(&rdma_nets_rwsem);
+ /*
+ * Prevent the ID from being re-used and hide the id from xa_for_each.
+ */
+ ret = xa_err(xa_store(&rdma_nets, rnet->id, NULL, GFP_KERNEL));
+ WARN_ON(ret);
+ up_write(&rdma_nets_rwsem);
+
+ down_read(&devices_rwsem);
+ xa_for_each (&devices, index, dev) {
+ get_device(&dev->dev);
+ /*
+ * Release the devices_rwsem so that pontentially blocking
+ * device_del, doesn't hold the devices_rwsem for too long.
+ */
+ up_read(&devices_rwsem);
+
+ remove_one_compat_dev(dev, rnet->id);
+
+ /*
+ * If the real device is in the NS then move it back to init.
+ */
+ rdma_dev_change_netns(dev, net, &init_net);
+
+ put_device(&dev->dev);
+ down_read(&devices_rwsem);
+ }
+ up_read(&devices_rwsem);
+
+ xa_erase(&rdma_nets, rnet->id);
+}
+
+static __net_init int rdma_dev_init_net(struct net *net)
+{
+ struct rdma_dev_net *rnet = net_generic(net, rdma_dev_net_id);
+ unsigned long index;
+ struct ib_device *dev;
+ int ret;
+
+ /* No need to create any compat devices in default init_net. */
+ if (net_eq(net, &init_net))
+ return 0;
+
+ write_pnet(&rnet->net, net);
+
+ ret = xa_alloc(&rdma_nets, &rnet->id, rnet, xa_limit_32b, GFP_KERNEL);
+ if (ret)
+ return ret;
+
+ down_read(&devices_rwsem);
+ xa_for_each_marked (&devices, index, dev, DEVICE_REGISTERED) {
+ /* Hold nets_rwsem so that netlink command cannot change
+ * system configuration for device sharing mode.
+ */
+ down_read(&rdma_nets_rwsem);
+ ret = add_one_compat_dev(dev, rnet);
+ up_read(&rdma_nets_rwsem);
+ if (ret)
+ break;
+ }
+ up_read(&devices_rwsem);
+
+ if (ret)
+ rdma_dev_exit_net(net);
+
+ return ret;
+}
+
/*
* Assign the unique string device name and the unique device index. This is
* undone by ib_dealloc_device.
WARN_ON_ONCE(!parent);
device->dma_device = parent;
}
+ /* Setup default max segment size for all IB devices */
+ dma_set_max_seg_size(device->dma_device, SZ_2G);
+
}
/*
ib_device_put(device);
wait_for_completion(&device->unreg_completion);
- /* Expedite removing unregistered pointers from the hash table */
- free_netdevs(device);
+ /*
+ * compat devices must be removed after device refcount drops to zero.
+ * Otherwise init_net() may add more compatdevs after removing compat
+ * devices and before device is disabled.
+ */
+ remove_compat_devs(device);
}
/*
break;
}
up_read(&clients_rwsem);
-
+ if (!ret)
+ ret = add_compat_devs(device);
out:
up_read(&devices_rwsem);
return ret;
ib_device_register_rdmacg(device);
+ /*
+ * Ensure that ADD uevent is not fired because it
+ * is too early amd device is not initialized yet.
+ */
+ dev_set_uevent_suppress(&device->dev, true);
ret = device_add(&device->dev);
if (ret)
goto cg_cleanup;
}
ret = enable_device_and_get(device);
+ dev_set_uevent_suppress(&device->dev, false);
+ /* Mark for userspace that device is ready */
+ kobject_uevent(&device->dev.kobj, KOBJ_ADD);
if (ret) {
void (*dealloc_fn)(struct ib_device *);
dev_cleanup:
device_del(&device->dev);
cg_cleanup:
+ dev_set_uevent_suppress(&device->dev, false);
ib_device_unregister_rdmacg(device);
ib_cache_cleanup_one(device);
return ret;
goto out;
disable_device(ib_dev);
+
+ /* Expedite removing unregistered pointers from the hash table */
+ free_netdevs(ib_dev);
+
ib_device_unregister_sysfs(ib_dev);
device_del(&ib_dev->dev);
ib_device_unregister_rdmacg(ib_dev);
}
EXPORT_SYMBOL(ib_unregister_device_queued);
+/*
+ * The caller must pass in a device that has the kref held and the refcount
+ * released. If the device is in cur_net and still registered then it is moved
+ * into net.
+ */
+static int rdma_dev_change_netns(struct ib_device *device, struct net *cur_net,
+ struct net *net)
+{
+ int ret2 = -EINVAL;
+ int ret;
+
+ mutex_lock(&device->unregistration_lock);
+
+ /*
+ * If a device not under ib_device_get() or if the unregistration_lock
+ * is not held, the namespace can be changed, or it can be unregistered.
+ * Check again under the lock.
+ */
+ if (refcount_read(&device->refcount) == 0 ||
+ !net_eq(cur_net, read_pnet(&device->coredev.rdma_net))) {
+ ret = -ENODEV;
+ goto out;
+ }
+
+ kobject_uevent(&device->dev.kobj, KOBJ_REMOVE);
+ disable_device(device);
+
+ /*
+ * At this point no one can be using the device, so it is safe to
+ * change the namespace.
+ */
+ write_pnet(&device->coredev.rdma_net, net);
+
+ down_read(&devices_rwsem);
+ /*
+ * Currently rdma devices are system wide unique. So the device name
+ * is guaranteed free in the new namespace. Publish the new namespace
+ * at the sysfs level.
+ */
+ ret = device_rename(&device->dev, dev_name(&device->dev));
+ up_read(&devices_rwsem);
+ if (ret) {
+ dev_warn(&device->dev,
+ "%s: Couldn't rename device after namespace change\n",
+ __func__);
+ /* Try and put things back and re-enable the device */
+ write_pnet(&device->coredev.rdma_net, cur_net);
+ }
+
+ ret2 = enable_device_and_get(device);
+ if (ret2) {
+ /*
+ * This shouldn't really happen, but if it does, let the user
+ * retry at later point. So don't disable the device.
+ */
+ dev_warn(&device->dev,
+ "%s: Couldn't re-enable device after namespace change\n",
+ __func__);
+ }
+ kobject_uevent(&device->dev.kobj, KOBJ_ADD);
+
+ ib_device_put(device);
+out:
+ mutex_unlock(&device->unregistration_lock);
+ if (ret)
+ return ret;
+ return ret2;
+}
+
+int ib_device_set_netns_put(struct sk_buff *skb,
+ struct ib_device *dev, u32 ns_fd)
+{
+ struct net *net;
+ int ret;
+
+ net = get_net_ns_by_fd(ns_fd);
+ if (IS_ERR(net)) {
+ ret = PTR_ERR(net);
+ goto net_err;
+ }
+
+ if (!netlink_ns_capable(skb, net->user_ns, CAP_NET_ADMIN)) {
+ ret = -EPERM;
+ goto ns_err;
+ }
+
+ /*
+ * Currently supported only for those providers which support
+ * disassociation and don't do port specific sysfs init. Once a
+ * port_cleanup infrastructure is implemented, this limitation will be
+ * removed.
+ */
+ if (!dev->ops.disassociate_ucontext || dev->ops.init_port ||
+ ib_devices_shared_netns) {
+ ret = -EOPNOTSUPP;
+ goto ns_err;
+ }
+
+ get_device(&dev->dev);
+ ib_device_put(dev);
+ ret = rdma_dev_change_netns(dev, current->nsproxy->net_ns, net);
+ put_device(&dev->dev);
+
+ put_net(net);
+ return ret;
+
+ns_err:
+ put_net(net);
+net_err:
+ ib_device_put(dev);
+ return ret;
+}
+
+static struct pernet_operations rdma_dev_net_ops = {
+ .init = rdma_dev_init_net,
+ .exit = rdma_dev_exit_net,
+ .id = &rdma_dev_net_id,
+ .size = sizeof(struct rdma_dev_net),
+};
+
static int assign_client_id(struct ib_client *client)
{
int ret;
down_read(&devices_rwsem);
xa_for_each_marked (&devices, index, dev, DEVICE_REGISTERED) {
+ if (!rdma_dev_access_netns(dev, sock_net(skb->sk)))
+ continue;
+
ret = nldev_cb(dev, skb, cb, idx);
if (ret)
break;
SET_DEVICE_OP(dev_ops, get_vf_config);
SET_DEVICE_OP(dev_ops, get_vf_stats);
SET_DEVICE_OP(dev_ops, init_port);
+ SET_DEVICE_OP(dev_ops, iw_accept);
+ SET_DEVICE_OP(dev_ops, iw_add_ref);
+ SET_DEVICE_OP(dev_ops, iw_connect);
+ SET_DEVICE_OP(dev_ops, iw_create_listen);
+ SET_DEVICE_OP(dev_ops, iw_destroy_listen);
+ SET_DEVICE_OP(dev_ops, iw_get_qp);
+ SET_DEVICE_OP(dev_ops, iw_reject);
+ SET_DEVICE_OP(dev_ops, iw_rem_ref);
SET_DEVICE_OP(dev_ops, map_mr_sg);
SET_DEVICE_OP(dev_ops, map_phys_fmr);
SET_DEVICE_OP(dev_ops, mmap);
SET_DEVICE_OP(dev_ops, set_vf_link_state);
SET_DEVICE_OP(dev_ops, unmap_fmr);
+ SET_OBJ_SIZE(dev_ops, ib_ah);
SET_OBJ_SIZE(dev_ops, ib_pd);
+ SET_OBJ_SIZE(dev_ops, ib_srq);
SET_OBJ_SIZE(dev_ops, ib_ucontext);
}
EXPORT_SYMBOL(ib_set_device_ops);
goto err_sa;
}
+ ret = register_pernet_device(&rdma_dev_net_ops);
+ if (ret) {
+ pr_warn("Couldn't init compat dev. ret %d\n", ret);
+ goto err_compat;
+ }
+
nldev_init();
rdma_nl_register(RDMA_NL_LS, ibnl_ls_cb_table);
roce_gid_mgmt_init();
return 0;
+err_compat:
+ unregister_lsm_notifier(&ibdev_lsm_nb);
err_sa:
ib_sa_cleanup();
err_mad:
roce_gid_mgmt_cleanup();
nldev_exit();
rdma_nl_unregister(RDMA_NL_LS);
+ unregister_pernet_device(&rdma_dev_net_ops);
unregister_lsm_notifier(&ibdev_lsm_nb);
ib_sa_cleanup();
ib_mad_cleanup();
MODULE_ALIAS_RDMA_NETLINK(RDMA_NL_LS, 4);
-subsys_initcall(ib_core_init);
+/* ib core relies on netdev stack to first register net_ns_type_operations
+ * ns kobject type before ib_core initialization.
+ */
+fs_initcall(ib_core_init);
module_exit(ib_core_cleanup);
cm_id_priv->state = IW_CM_STATE_DESTROYING;
spin_unlock_irqrestore(&cm_id_priv->lock, flags);
/* destroy the listening endpoint */
- cm_id->device->iwcm->destroy_listen(cm_id);
+ cm_id->device->ops.iw_destroy_listen(cm_id);
spin_lock_irqsave(&cm_id_priv->lock, flags);
break;
case IW_CM_STATE_ESTABLISHED:
*/
cm_id_priv->state = IW_CM_STATE_DESTROYING;
spin_unlock_irqrestore(&cm_id_priv->lock, flags);
- cm_id->device->iwcm->reject(cm_id, NULL, 0);
+ cm_id->device->ops.iw_reject(cm_id, NULL, 0);
spin_lock_irqsave(&cm_id_priv->lock, flags);
break;
case IW_CM_STATE_CONN_SENT:
break;
}
if (cm_id_priv->qp) {
- cm_id_priv->id.device->iwcm->rem_ref(cm_id_priv->qp);
+ cm_id_priv->id.device->ops.iw_rem_ref(cm_id_priv->qp);
cm_id_priv->qp = NULL;
}
spin_unlock_irqrestore(&cm_id_priv->lock, flags);
static int iw_cm_map(struct iw_cm_id *cm_id, bool active)
{
const char *devname = dev_name(&cm_id->device->dev);
- const char *ifname = cm_id->device->iwcm->ifname;
+ const char *ifname = cm_id->device->iw_ifname;
struct iwpm_dev_data pm_reg_msg = {};
struct iwpm_sa_data pm_msg;
int status;
cm_id->mapped = true;
pm_msg.loc_addr = cm_id->local_addr;
pm_msg.rem_addr = cm_id->remote_addr;
- pm_msg.flags = (cm_id->device->iwcm->driver_flags & IW_F_NO_PORT_MAP) ?
+ pm_msg.flags = (cm_id->device->iw_driver_flags & IW_F_NO_PORT_MAP) ?
IWPM_FLAGS_NO_PORT_MAP : 0;
if (active)
status = iwpm_add_and_query_mapping(&pm_msg,
spin_unlock_irqrestore(&cm_id_priv->lock, flags);
ret = iw_cm_map(cm_id, false);
if (!ret)
- ret = cm_id->device->iwcm->create_listen(cm_id, backlog);
+ ret = cm_id->device->ops.iw_create_listen(cm_id,
+ backlog);
if (ret)
cm_id_priv->state = IW_CM_STATE_IDLE;
spin_lock_irqsave(&cm_id_priv->lock, flags);
cm_id_priv->state = IW_CM_STATE_IDLE;
spin_unlock_irqrestore(&cm_id_priv->lock, flags);
- ret = cm_id->device->iwcm->reject(cm_id, private_data,
+ ret = cm_id->device->ops.iw_reject(cm_id, private_data,
private_data_len);
clear_bit(IWCM_F_CONNECT_WAIT, &cm_id_priv->flags);
return -EINVAL;
}
/* Get the ib_qp given the QPN */
- qp = cm_id->device->iwcm->get_qp(cm_id->device, iw_param->qpn);
+ qp = cm_id->device->ops.iw_get_qp(cm_id->device, iw_param->qpn);
if (!qp) {
spin_unlock_irqrestore(&cm_id_priv->lock, flags);
clear_bit(IWCM_F_CONNECT_WAIT, &cm_id_priv->flags);
wake_up_all(&cm_id_priv->connect_wait);
return -EINVAL;
}
- cm_id->device->iwcm->add_ref(qp);
+ cm_id->device->ops.iw_add_ref(qp);
cm_id_priv->qp = qp;
spin_unlock_irqrestore(&cm_id_priv->lock, flags);
- ret = cm_id->device->iwcm->accept(cm_id, iw_param);
+ ret = cm_id->device->ops.iw_accept(cm_id, iw_param);
if (ret) {
/* An error on accept precludes provider events */
BUG_ON(cm_id_priv->state != IW_CM_STATE_CONN_RECV);
cm_id_priv->state = IW_CM_STATE_IDLE;
spin_lock_irqsave(&cm_id_priv->lock, flags);
if (cm_id_priv->qp) {
- cm_id->device->iwcm->rem_ref(qp);
+ cm_id->device->ops.iw_rem_ref(qp);
cm_id_priv->qp = NULL;
}
spin_unlock_irqrestore(&cm_id_priv->lock, flags);
}
/* Get the ib_qp given the QPN */
- qp = cm_id->device->iwcm->get_qp(cm_id->device, iw_param->qpn);
+ qp = cm_id->device->ops.iw_get_qp(cm_id->device, iw_param->qpn);
if (!qp) {
ret = -EINVAL;
goto err;
}
- cm_id->device->iwcm->add_ref(qp);
+ cm_id->device->ops.iw_add_ref(qp);
cm_id_priv->qp = qp;
cm_id_priv->state = IW_CM_STATE_CONN_SENT;
spin_unlock_irqrestore(&cm_id_priv->lock, flags);
ret = iw_cm_map(cm_id, true);
if (!ret)
- ret = cm_id->device->iwcm->connect(cm_id, iw_param);
+ ret = cm_id->device->ops.iw_connect(cm_id, iw_param);
if (!ret)
return 0; /* success */
spin_lock_irqsave(&cm_id_priv->lock, flags);
if (cm_id_priv->qp) {
- cm_id->device->iwcm->rem_ref(qp);
+ cm_id->device->ops.iw_rem_ref(qp);
cm_id_priv->qp = NULL;
}
cm_id_priv->state = IW_CM_STATE_IDLE;
cm_id_priv->state = IW_CM_STATE_ESTABLISHED;
} else {
/* REJECTED or RESET */
- cm_id_priv->id.device->iwcm->rem_ref(cm_id_priv->qp);
+ cm_id_priv->id.device->ops.iw_rem_ref(cm_id_priv->qp);
cm_id_priv->qp = NULL;
cm_id_priv->state = IW_CM_STATE_IDLE;
}
spin_lock_irqsave(&cm_id_priv->lock, flags);
if (cm_id_priv->qp) {
- cm_id_priv->id.device->iwcm->rem_ref(cm_id_priv->qp);
+ cm_id_priv->id.device->ops.iw_rem_ref(cm_id_priv->qp);
cm_id_priv->qp = NULL;
}
switch (cm_id_priv->state) {
* Copyright (c) 2005 Intel Corporation. All rights reserved.
* Copyright (c) 2005 Mellanox Technologies Ltd. All rights reserved.
* Copyright (c) 2009 HNR Consulting. All rights reserved.
- * Copyright (c) 2014 Intel Corporation. All rights reserved.
+ * Copyright (c) 2014,2018 Intel Corporation. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/dma-mapping.h>
-#include <linux/idr.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/security.h>
+#include <linux/xarray.h>
#include <rdma/ib_cache.h>
#include "mad_priv.h"
#include "opa_smi.h"
#include "agent.h"
+#define CREATE_TRACE_POINTS
+#include <trace/events/ib_mad.h>
+
+#ifdef CONFIG_TRACEPOINTS
+static void create_mad_addr_info(struct ib_mad_send_wr_private *mad_send_wr,
+ struct ib_mad_qp_info *qp_info,
+ struct trace_event_raw_ib_mad_send_template *entry)
+{
+ u16 pkey;
+ struct ib_device *dev = qp_info->port_priv->device;
+ u8 pnum = qp_info->port_priv->port_num;
+ struct ib_ud_wr *wr = &mad_send_wr->send_wr;
+ struct rdma_ah_attr attr = {};
+
+ rdma_query_ah(wr->ah, &attr);
+
+ /* These are common */
+ entry->sl = attr.sl;
+ ib_query_pkey(dev, pnum, wr->pkey_index, &pkey);
+ entry->pkey = pkey;
+ entry->rqpn = wr->remote_qpn;
+ entry->rqkey = wr->remote_qkey;
+ entry->dlid = rdma_ah_get_dlid(&attr);
+}
+#endif
+
static int mad_sendq_size = IB_MAD_QP_SEND_SIZE;
static int mad_recvq_size = IB_MAD_QP_RECV_SIZE;
module_param_named(recv_queue_size, mad_recvq_size, int, 0444);
MODULE_PARM_DESC(recv_queue_size, "Size of receive queue in number of work requests");
-/*
- * The mlx4 driver uses the top byte to distinguish which virtual function
- * generated the MAD, so we must avoid using it.
- */
-#define AGENT_ID_LIMIT (1 << 24)
-static DEFINE_IDR(ib_mad_clients);
+/* Client ID 0 is used for snoop-only clients */
+static DEFINE_XARRAY_ALLOC1(ib_mad_clients);
+static u32 ib_mad_client_next;
static struct list_head ib_mad_port_list;
/* Port list lock */
goto error4;
}
- idr_preload(GFP_KERNEL);
- idr_lock(&ib_mad_clients);
- ret2 = idr_alloc_cyclic(&ib_mad_clients, mad_agent_priv, 0,
- AGENT_ID_LIMIT, GFP_ATOMIC);
- idr_unlock(&ib_mad_clients);
- idr_preload_end();
-
+ /*
+ * The mlx4 driver uses the top byte to distinguish which virtual
+ * function generated the MAD, so we must avoid using it.
+ */
+ ret2 = xa_alloc_cyclic(&ib_mad_clients, &mad_agent_priv->agent.hi_tid,
+ mad_agent_priv, XA_LIMIT(0, (1 << 24) - 1),
+ &ib_mad_client_next, GFP_KERNEL);
if (ret2 < 0) {
ret = ERR_PTR(ret2);
goto error5;
}
- mad_agent_priv->agent.hi_tid = ret2;
/*
* Make sure MAD registration (if supplied)
}
spin_unlock_irq(&port_priv->reg_lock);
+ trace_ib_mad_create_agent(mad_agent_priv);
return &mad_agent_priv->agent;
error6:
spin_unlock_irq(&port_priv->reg_lock);
- idr_lock(&ib_mad_clients);
- idr_remove(&ib_mad_clients, mad_agent_priv->agent.hi_tid);
- idr_unlock(&ib_mad_clients);
+ xa_erase(&ib_mad_clients, mad_agent_priv->agent.hi_tid);
error5:
ib_mad_agent_security_cleanup(&mad_agent_priv->agent);
error4:
struct ib_mad_port_private *port_priv;
/* Note that we could still be handling received MADs */
+ trace_ib_mad_unregister_agent(mad_agent_priv);
/*
* Canceling all sends results in dropping received response
spin_lock_irq(&port_priv->reg_lock);
remove_mad_reg_req(mad_agent_priv);
spin_unlock_irq(&port_priv->reg_lock);
- idr_lock(&ib_mad_clients);
- idr_remove(&ib_mad_clients, mad_agent_priv->agent.hi_tid);
- idr_unlock(&ib_mad_clients);
+ xa_erase(&ib_mad_clients, mad_agent_priv->agent.hi_tid);
flush_workqueue(port_priv->wq);
ib_cancel_rmpp_recvs(mad_agent_priv);
if (opa && smp->class_version == OPA_SM_CLASS_VERSION) {
u32 opa_drslid;
+ trace_ib_mad_handle_out_opa_smi(opa_smp);
+
if ((opa_get_smp_direction(opa_smp)
? opa_smp->route.dr.dr_dlid : opa_smp->route.dr.dr_slid) ==
OPA_LID_PERMISSIVE &&
opa_smi_check_local_returning_smp(opa_smp, device) == IB_SMI_DISCARD)
goto out;
} else {
+ trace_ib_mad_handle_out_ib_smi(smp);
+
if ((ib_get_smp_direction(smp) ? smp->dr_dlid : smp->dr_slid) ==
IB_LID_PERMISSIVE &&
smi_handle_dr_smp_send(smp, rdma_cap_ib_switch(device), port_num) ==
spin_lock_irqsave(&qp_info->send_queue.lock, flags);
if (qp_info->send_queue.count < qp_info->send_queue.max_active) {
+ trace_ib_mad_ib_send_mad(mad_send_wr, qp_info);
ret = ib_post_send(mad_agent->qp, &mad_send_wr->send_wr.wr,
NULL);
list = &qp_info->send_queue.list;
*/
hi_tid = be64_to_cpu(mad_hdr->tid) >> 32;
rcu_read_lock();
- mad_agent = idr_find(&ib_mad_clients, hi_tid);
+ mad_agent = xa_load(&ib_mad_clients, hi_tid);
if (mad_agent && !atomic_inc_not_zero(&mad_agent->refcount))
mad_agent = NULL;
rcu_read_unlock();
enum smi_forward_action retsmi;
struct ib_smp *smp = (struct ib_smp *)recv->mad;
+ trace_ib_mad_handle_ib_smi(smp);
+
if (smi_handle_dr_smp_recv(smp,
rdma_cap_ib_switch(port_priv->device),
port_num,
enum smi_forward_action retsmi;
struct opa_smp *smp = (struct opa_smp *)recv->mad;
+ trace_ib_mad_handle_opa_smi(smp);
+
if (opa_smi_handle_dr_smp_recv(smp,
rdma_cap_ib_switch(port_priv->device),
port_num,
if (!validate_mad((const struct ib_mad_hdr *)recv->mad, qp_info, opa))
goto out;
+ trace_ib_mad_recv_done_handler(qp_info, wc,
+ (struct ib_mad_hdr *)recv->mad);
+
mad_size = recv->mad_size;
response = alloc_mad_private(mad_size, GFP_KERNEL);
if (!response)
mad_agent = find_mad_agent(port_priv, (const struct ib_mad_hdr *)recv->mad);
if (mad_agent) {
+ trace_ib_mad_recv_done_agent(mad_agent);
ib_mad_complete_recv(mad_agent, &recv->header.recv_wc);
/*
* recv is freed up in error cases in ib_mad_complete_recv
send_queue = mad_list->mad_queue;
qp_info = send_queue->qp_info;
+ trace_ib_mad_send_done_agent(mad_send_wr->mad_agent_priv);
+ trace_ib_mad_send_done_handler(mad_send_wr, wc);
+
retry:
ib_dma_unmap_single(mad_send_wr->send_buf.mad_agent->device,
mad_send_wr->header_mapping,
ib_mad_complete_send_wr(mad_send_wr, &mad_send_wc);
if (queued_send_wr) {
+ trace_ib_mad_send_done_resend(queued_send_wr, qp_info);
ret = ib_post_send(qp_info->qp, &queued_send_wr->send_wr.wr,
NULL);
if (ret) {
if (mad_send_wr->retry) {
/* Repost send */
mad_send_wr->retry = 0;
+ trace_ib_mad_error_handler(mad_send_wr, qp_info);
ret = ib_post_send(qp_info->qp, &mad_send_wr->send_wr.wr,
NULL);
if (!ret)
INIT_LIST_HEAD(&ib_mad_port_list);
- /* Client ID 0 is used for snoop-only clients */
- idr_alloc(&ib_mad_clients, NULL, 0, 0, GFP_KERNEL);
-
if (ib_register_client(&mad_client)) {
pr_err("Couldn't register ib_mad client\n");
return -EINVAL;
struct ib_mad_recv_wc recv_wc;
struct ib_wc wc;
u64 mapping;
-} __attribute__ ((packed));
+} __packed;
struct ib_mad_private {
struct ib_mad_private_header header;
size_t mad_size;
struct ib_grh grh;
u8 mad[0];
-} __attribute__ ((packed));
+} __packed;
struct ib_rmpp_segment {
struct list_head list;
switch (event->event) {
case IB_EVENT_PORT_ERR:
case IB_EVENT_LID_CHANGE:
- case IB_EVENT_SM_CHANGE:
case IB_EVENT_CLIENT_REREGISTER:
mcast_groups_event(&dev->port[index], MCAST_GROUP_ERROR);
break;
[RDMA_NLDEV_ATTR_RES_CTXN] = { .type = NLA_U32 },
[RDMA_NLDEV_ATTR_LINK_TYPE] = { .type = NLA_NUL_STRING,
.len = RDMA_NLDEV_ATTR_ENTRY_STRLEN },
+ [RDMA_NLDEV_SYS_ATTR_NETNS_MODE] = { .type = NLA_U8 },
+ [RDMA_NLDEV_ATTR_DEV_PROTOCOL] = { .type = NLA_NUL_STRING,
+ .len = RDMA_NLDEV_ATTR_ENTRY_STRLEN },
+ [RDMA_NLDEV_NET_NS_FD] = { .type = NLA_U32 },
};
static int put_driver_name_print_type(struct sk_buff *msg, const char *name,
static int fill_dev_info(struct sk_buff *msg, struct ib_device *device)
{
char fw[IB_FW_VERSION_NAME_MAX];
+ int ret = 0;
+ u8 port;
if (fill_nldev_handle(msg, device))
return -EMSGSIZE;
return -EMSGSIZE;
if (nla_put_u8(msg, RDMA_NLDEV_ATTR_DEV_NODE_TYPE, device->node_type))
return -EMSGSIZE;
- return 0;
+
+ /*
+ * Link type is determined on first port and mlx4 device
+ * which can potentially have two different link type for the same
+ * IB device is considered as better to be avoided in the future,
+ */
+ port = rdma_start_port(device);
+ if (rdma_cap_opa_mad(device, port))
+ ret = nla_put_string(msg, RDMA_NLDEV_ATTR_DEV_PROTOCOL, "opa");
+ else if (rdma_protocol_ib(device, port))
+ ret = nla_put_string(msg, RDMA_NLDEV_ATTR_DEV_PROTOCOL, "ib");
+ else if (rdma_protocol_iwarp(device, port))
+ ret = nla_put_string(msg, RDMA_NLDEV_ATTR_DEV_PROTOCOL, "iw");
+ else if (rdma_protocol_roce(device, port))
+ ret = nla_put_string(msg, RDMA_NLDEV_ATTR_DEV_PROTOCOL, "roce");
+ else if (rdma_protocol_usnic(device, port))
+ ret = nla_put_string(msg, RDMA_NLDEV_ATTR_DEV_PROTOCOL,
+ "usnic");
+ return ret;
}
static int fill_port_info(struct sk_buff *msg,
index = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
- device = ib_device_get_by_index(index);
+ device = ib_device_get_by_index(sock_net(skb->sk), index);
if (!device)
return -EINVAL;
return -EINVAL;
index = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
- device = ib_device_get_by_index(index);
+ device = ib_device_get_by_index(sock_net(skb->sk), index);
if (!device)
return -EINVAL;
nla_strlcpy(name, tb[RDMA_NLDEV_ATTR_DEV_NAME],
IB_DEVICE_NAME_MAX);
err = ib_device_rename(device, name);
+ goto done;
}
+ if (tb[RDMA_NLDEV_NET_NS_FD]) {
+ u32 ns_fd;
+
+ ns_fd = nla_get_u32(tb[RDMA_NLDEV_NET_NS_FD]);
+ err = ib_device_set_netns_put(skb, device, ns_fd);
+ goto put_done;
+ }
+
+done:
ib_device_put(device);
+put_done:
return err;
}
{
/*
* There is no need to take lock, because
- * we are relying on ib_core's lists_rwsem
+ * we are relying on ib_core's locking.
*/
return ib_enum_all_devs(_nldev_get_dumpit, skb, cb);
}
return -EINVAL;
index = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
- device = ib_device_get_by_index(index);
+ device = ib_device_get_by_index(sock_net(skb->sk), index);
if (!device)
return -EINVAL;
return -EINVAL;
ifindex = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
- device = ib_device_get_by_index(ifindex);
+ device = ib_device_get_by_index(sock_net(skb->sk), ifindex);
if (!device)
return -EINVAL;
return -EINVAL;
index = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
- device = ib_device_get_by_index(index);
+ device = ib_device_get_by_index(sock_net(skb->sk), index);
if (!device)
return -EINVAL;
nlmsg_cancel(skb, nlh);
goto out;
}
-
nlmsg_end(skb, nlh);
idx++;
return -EINVAL;
index = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
- device = ib_device_get_by_index(index);
+ device = ib_device_get_by_index(sock_net(skb->sk), index);
if (!device)
return -EINVAL;
return -EINVAL;
index = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
- device = ib_device_get_by_index(index);
+ device = ib_device_get_by_index(sock_net(skb->sk), index);
if (!device)
return -EINVAL;
return -EINVAL;
index = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
- device = ib_device_get_by_index(index);
+ device = ib_device_get_by_index(sock_net(skb->sk), index);
if (!device)
return -EINVAL;
return 0;
}
+static int nldev_get_sys_get_dumpit(struct sk_buff *skb,
+ struct netlink_callback *cb)
+{
+ struct nlattr *tb[RDMA_NLDEV_ATTR_MAX];
+ struct nlmsghdr *nlh;
+ int err;
+
+ err = nlmsg_parse(cb->nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
+ nldev_policy, NULL);
+ if (err)
+ return err;
+
+ nlh = nlmsg_put(skb, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq,
+ RDMA_NL_GET_TYPE(RDMA_NL_NLDEV,
+ RDMA_NLDEV_CMD_SYS_GET),
+ 0, 0);
+
+ err = nla_put_u8(skb, RDMA_NLDEV_SYS_ATTR_NETNS_MODE,
+ (u8)ib_devices_shared_netns);
+ if (err) {
+ nlmsg_cancel(skb, nlh);
+ return err;
+ }
+
+ nlmsg_end(skb, nlh);
+ return skb->len;
+}
+
+static int nldev_set_sys_set_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
+ struct netlink_ext_ack *extack)
+{
+ struct nlattr *tb[RDMA_NLDEV_ATTR_MAX];
+ u8 enable;
+ int err;
+
+ err = nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
+ nldev_policy, extack);
+ if (err || !tb[RDMA_NLDEV_SYS_ATTR_NETNS_MODE])
+ return -EINVAL;
+
+ enable = nla_get_u8(tb[RDMA_NLDEV_SYS_ATTR_NETNS_MODE]);
+ /* Only 0 and 1 are supported */
+ if (enable > 1)
+ return -EINVAL;
+
+ err = rdma_compatdev_set(enable);
+ return err;
+}
+
static const struct rdma_nl_cbs nldev_cb_table[RDMA_NLDEV_NUM_OPS] = {
[RDMA_NLDEV_CMD_GET] = {
.doit = nldev_get_doit,
.doit = nldev_res_get_pd_doit,
.dump = nldev_res_get_pd_dumpit,
},
+ [RDMA_NLDEV_CMD_SYS_GET] = {
+ .dump = nldev_get_sys_get_dumpit,
+ },
+ [RDMA_NLDEV_CMD_SYS_SET] = {
+ .doit = nldev_set_sys_set_doit,
+ .flags = RDMA_NL_ADMIN_PERM,
+ },
};
void __init nldev_init(void)
* and consumes the kref on the uobj.
*/
static int uverbs_destroy_uobject(struct ib_uobject *uobj,
- enum rdma_remove_reason reason)
+ enum rdma_remove_reason reason,
+ struct uverbs_attr_bundle *attrs)
{
- struct ib_uverbs_file *ufile = uobj->ufile;
+ struct ib_uverbs_file *ufile = attrs->ufile;
unsigned long flags;
int ret;
assert_uverbs_usecnt(uobj, UVERBS_LOOKUP_WRITE);
if (uobj->object) {
- ret = uobj->uapi_object->type_class->destroy_hw(uobj, reason);
+ ret = uobj->uapi_object->type_class->destroy_hw(uobj, reason,
+ attrs);
if (ret) {
if (ib_is_destroy_retryable(ret, reason, uobj))
return ret;
* version requires the caller to have already obtained an
* LOOKUP_DESTROY uobject kref.
*/
-int uobj_destroy(struct ib_uobject *uobj)
+int uobj_destroy(struct ib_uobject *uobj, struct uverbs_attr_bundle *attrs)
{
- struct ib_uverbs_file *ufile = uobj->ufile;
+ struct ib_uverbs_file *ufile = attrs->ufile;
int ret;
down_read(&ufile->hw_destroy_rwsem);
if (ret)
goto out_unlock;
- ret = uverbs_destroy_uobject(uobj, RDMA_REMOVE_DESTROY);
+ ret = uverbs_destroy_uobject(uobj, RDMA_REMOVE_DESTROY, attrs);
if (ret) {
atomic_set(&uobj->usecnt, 0);
goto out_unlock;
* uverbs_put_destroy.
*/
struct ib_uobject *__uobj_get_destroy(const struct uverbs_api_object *obj,
- u32 id,
- const struct uverbs_attr_bundle *attrs)
+ u32 id, struct uverbs_attr_bundle *attrs)
{
struct ib_uobject *uobj;
int ret;
uobj = rdma_lookup_get_uobject(obj, attrs->ufile, id,
- UVERBS_LOOKUP_DESTROY);
+ UVERBS_LOOKUP_DESTROY, attrs);
if (IS_ERR(uobj))
return uobj;
- ret = uobj_destroy(uobj);
+ ret = uobj_destroy(uobj, attrs);
if (ret) {
rdma_lookup_put_uobject(uobj, UVERBS_LOOKUP_DESTROY);
return ERR_PTR(ret);
* (negative errno on failure). For use by callers that do not need the uobj.
*/
int __uobj_perform_destroy(const struct uverbs_api_object *obj, u32 id,
- const struct uverbs_attr_bundle *attrs)
+ struct uverbs_attr_bundle *attrs)
{
struct ib_uobject *uobj;
static int idr_add_uobj(struct ib_uobject *uobj)
{
- int ret;
-
- idr_preload(GFP_KERNEL);
- spin_lock(&uobj->ufile->idr_lock);
-
- /*
- * We start with allocating an idr pointing to NULL. This represents an
- * object which isn't initialized yet. We'll replace it later on with
- * the real object once we commit.
- */
- ret = idr_alloc(&uobj->ufile->idr, NULL, 0,
- min_t(unsigned long, U32_MAX - 1, INT_MAX), GFP_NOWAIT);
- if (ret >= 0)
- uobj->id = ret;
-
- spin_unlock(&uobj->ufile->idr_lock);
- idr_preload_end();
-
- return ret < 0 ? ret : 0;
+ /*
+ * We start with allocating an idr pointing to NULL. This represents an
+ * object which isn't initialized yet. We'll replace it later on with
+ * the real object once we commit.
+ */
+ return xa_alloc(&uobj->ufile->idr, &uobj->id, NULL, xa_limit_32b,
+ GFP_KERNEL);
}
/* Returns the ib_uobject or an error. The caller should check for IS_ERR. */
enum rdma_lookup_mode mode)
{
struct ib_uobject *uobj;
- unsigned long idrno = id;
if (id < 0 || id > ULONG_MAX)
return ERR_PTR(-EINVAL);
rcu_read_lock();
- /* object won't be released as we're protected in rcu */
- uobj = idr_find(&ufile->idr, idrno);
- if (!uobj) {
- uobj = ERR_PTR(-ENOENT);
- goto free;
- }
-
/*
* The idr_find is guaranteed to return a pointer to something that
* isn't freed yet, or NULL, as the free after idr_remove goes through
* kfree_rcu(). However the object may still have been released and
* kfree() could be called at any time.
*/
- if (!kref_get_unless_zero(&uobj->ref))
+ uobj = xa_load(&ufile->idr, id);
+ if (!uobj || !kref_get_unless_zero(&uobj->ref))
uobj = ERR_PTR(-ENOENT);
-
-free:
rcu_read_unlock();
return uobj;
}
struct ib_uobject *rdma_lookup_get_uobject(const struct uverbs_api_object *obj,
struct ib_uverbs_file *ufile, s64 id,
- enum rdma_lookup_mode mode)
+ enum rdma_lookup_mode mode,
+ struct uverbs_attr_bundle *attrs)
{
struct ib_uobject *uobj;
int ret;
- if (IS_ERR(obj) && PTR_ERR(obj) == -ENOMSG) {
+ if (obj == ERR_PTR(-ENOMSG)) {
/* must be UVERBS_IDR_ANY_OBJECT, see uapi_get_object() */
uobj = lookup_get_idr_uobject(NULL, ufile, id, mode);
if (IS_ERR(uobj))
ret = uverbs_try_lock_object(uobj, mode);
if (ret)
goto free;
+ if (attrs)
+ attrs->context = uobj->context;
return uobj;
free:
uverbs_uobject_put(uobj);
return ERR_PTR(ret);
}
-struct ib_uobject *_uobj_get_read(enum uverbs_default_objects type,
- u32 object_id,
- struct uverbs_attr_bundle *attrs)
-{
- struct ib_uobject *uobj;
-
- uobj = rdma_lookup_get_uobject(uobj_get_type(attrs, type), attrs->ufile,
- object_id, UVERBS_LOOKUP_READ);
- if (IS_ERR(uobj))
- return uobj;
-
- attrs->context = uobj->context;
-
- return uobj;
-}
-
-struct ib_uobject *_uobj_get_write(enum uverbs_default_objects type,
- u32 object_id,
- struct uverbs_attr_bundle *attrs)
-{
- struct ib_uobject *uobj;
-
- uobj = rdma_lookup_get_uobject(uobj_get_type(attrs, type), attrs->ufile,
- object_id, UVERBS_LOOKUP_WRITE);
-
- if (IS_ERR(uobj))
- return uobj;
-
- attrs->context = uobj->context;
-
- return uobj;
-}
static struct ib_uobject *
alloc_begin_idr_uobject(const struct uverbs_api_object *obj,
ret = ib_rdmacg_try_charge(&uobj->cg_obj, uobj->context->device,
RDMACG_RESOURCE_HCA_OBJECT);
if (ret)
- goto idr_remove;
+ goto remove;
return uobj;
-idr_remove:
- spin_lock(&ufile->idr_lock);
- idr_remove(&ufile->idr, uobj->id);
- spin_unlock(&ufile->idr_lock);
+remove:
+ xa_erase(&ufile->idr, uobj->id);
uobj_put:
uverbs_uobject_put(uobj);
return ERR_PTR(ret);
}
struct ib_uobject *rdma_alloc_begin_uobject(const struct uverbs_api_object *obj,
- struct ib_uverbs_file *ufile)
+ struct ib_uverbs_file *ufile,
+ struct uverbs_attr_bundle *attrs)
{
struct ib_uobject *ret;
up_read(&ufile->hw_destroy_rwsem);
return ret;
}
+ if (attrs)
+ attrs->context = ret->context;
return ret;
}
ib_rdmacg_uncharge(&uobj->cg_obj, uobj->context->device,
RDMACG_RESOURCE_HCA_OBJECT);
- spin_lock(&uobj->ufile->idr_lock);
- idr_remove(&uobj->ufile->idr, uobj->id);
- spin_unlock(&uobj->ufile->idr_lock);
+ xa_erase(&uobj->ufile->idr, uobj->id);
}
static int __must_check destroy_hw_idr_uobject(struct ib_uobject *uobj,
- enum rdma_remove_reason why)
+ enum rdma_remove_reason why,
+ struct uverbs_attr_bundle *attrs)
{
const struct uverbs_obj_idr_type *idr_type =
container_of(uobj->uapi_object->type_attrs,
struct uverbs_obj_idr_type, type);
- int ret = idr_type->destroy_object(uobj, why);
+ int ret = idr_type->destroy_object(uobj, why, attrs);
/*
* We can only fail gracefully if the user requested to destroy the
static void remove_handle_idr_uobject(struct ib_uobject *uobj)
{
- spin_lock(&uobj->ufile->idr_lock);
- idr_remove(&uobj->ufile->idr, uobj->id);
- spin_unlock(&uobj->ufile->idr_lock);
+ xa_erase(&uobj->ufile->idr, uobj->id);
/* Matches the kref in alloc_commit_idr_uobject */
uverbs_uobject_put(uobj);
}
}
static int __must_check destroy_hw_fd_uobject(struct ib_uobject *uobj,
- enum rdma_remove_reason why)
+ enum rdma_remove_reason why,
+ struct uverbs_attr_bundle *attrs)
{
const struct uverbs_obj_fd_type *fd_type = container_of(
uobj->uapi_object->type_attrs, struct uverbs_obj_fd_type, type);
static int alloc_commit_idr_uobject(struct ib_uobject *uobj)
{
struct ib_uverbs_file *ufile = uobj->ufile;
+ void *old;
- spin_lock(&ufile->idr_lock);
/*
* We already allocated this IDR with a NULL object, so
* this shouldn't fail.
*
- * NOTE: Once we set the IDR we loose ownership of our kref on uobj.
+ * NOTE: Storing the uobj transfers our kref on uobj to the XArray.
* It will be put by remove_commit_idr_uobject()
*/
- WARN_ON(idr_replace(&ufile->idr, uobj, uobj->id));
- spin_unlock(&ufile->idr_lock);
+ old = xa_store(&ufile->idr, uobj->id, uobj, GFP_KERNEL);
+ WARN_ON(old != NULL);
return 0;
}
* caller can no longer assume uobj is valid. If this function fails it
* destroys the uboject, including the attached HW object.
*/
-int __must_check rdma_alloc_commit_uobject(struct ib_uobject *uobj)
+int __must_check rdma_alloc_commit_uobject(struct ib_uobject *uobj,
+ struct uverbs_attr_bundle *attrs)
{
- struct ib_uverbs_file *ufile = uobj->ufile;
+ struct ib_uverbs_file *ufile = attrs->ufile;
int ret;
/* alloc_commit consumes the uobj kref */
ret = uobj->uapi_object->type_class->alloc_commit(uobj);
if (ret) {
- uverbs_destroy_uobject(uobj, RDMA_REMOVE_ABORT);
+ uverbs_destroy_uobject(uobj, RDMA_REMOVE_ABORT, attrs);
up_read(&ufile->hw_destroy_rwsem);
return ret;
}
* This consumes the kref for uobj. It is up to the caller to unwind the HW
* object and anything else connected to uobj before calling this.
*/
-void rdma_alloc_abort_uobject(struct ib_uobject *uobj)
+void rdma_alloc_abort_uobject(struct ib_uobject *uobj,
+ struct uverbs_attr_bundle *attrs)
{
struct ib_uverbs_file *ufile = uobj->ufile;
uobj->object = NULL;
- uverbs_destroy_uobject(uobj, RDMA_REMOVE_ABORT);
+ uverbs_destroy_uobject(uobj, RDMA_REMOVE_ABORT, attrs);
/* Matches the down_read in rdma_alloc_begin_uobject */
up_read(&ufile->hw_destroy_rwsem);
void setup_ufile_idr_uobject(struct ib_uverbs_file *ufile)
{
- spin_lock_init(&ufile->idr_lock);
- idr_init(&ufile->idr);
+ xa_init_flags(&ufile->idr, XA_FLAGS_ALLOC);
}
void release_ufile_idr_uobject(struct ib_uverbs_file *ufile)
{
struct ib_uobject *entry;
- int id;
+ unsigned long id;
/*
* At this point uverbs_cleanup_ufile() is guaranteed to have run, and
- * there are no HW objects left, however the IDR is still populated
+ * there are no HW objects left, however the xarray is still populated
* with anything that has not been cleaned up by userspace. Since the
* kref on ufile is 0, nothing is allowed to call lookup_get.
*
* This is an optimized equivalent to remove_handle_idr_uobject
*/
- idr_for_each_entry(&ufile->idr, entry, id) {
+ xa_for_each(&ufile->idr, id, entry) {
WARN_ON(entry->object);
uverbs_uobject_put(entry);
}
- idr_destroy(&ufile->idr);
+ xa_destroy(&ufile->idr);
}
const struct uverbs_obj_type_class uverbs_idr_class = {
{
struct ib_uobject *uobj = f->private_data;
struct ib_uverbs_file *ufile = uobj->ufile;
+ struct uverbs_attr_bundle attrs = {
+ .context = uobj->context,
+ .ufile = ufile,
+ };
if (down_read_trylock(&ufile->hw_destroy_rwsem)) {
/*
* write lock here, or we have a kernel bug.
*/
WARN_ON(uverbs_try_lock_object(uobj, UVERBS_LOOKUP_WRITE));
- uverbs_destroy_uobject(uobj, RDMA_REMOVE_CLOSE);
+ uverbs_destroy_uobject(uobj, RDMA_REMOVE_CLOSE, &attrs);
up_read(&ufile->hw_destroy_rwsem);
}
{
struct ib_uobject *obj, *next_obj;
int ret = -EINVAL;
+ struct uverbs_attr_bundle attrs = { .ufile = ufile };
/*
* This shouldn't run while executing other commands on this
* other threads (which might still use the FDs) chance to run.
*/
list_for_each_entry_safe(obj, next_obj, &ufile->uobjects, list) {
+ attrs.context = obj->context;
/*
* if we hit this WARN_ON, that means we are
* racing with a lookup_get.
*/
WARN_ON(uverbs_try_lock_object(obj, UVERBS_LOOKUP_WRITE));
- if (!uverbs_destroy_uobject(obj, reason))
+ if (!uverbs_destroy_uobject(obj, reason, &attrs))
ret = 0;
else
atomic_set(&obj->usecnt, 0);
EXPORT_SYMBOL(uverbs_fd_class);
struct ib_uobject *
-uverbs_get_uobject_from_file(u16 object_id,
- struct ib_uverbs_file *ufile,
- enum uverbs_obj_access access, s64 id)
+uverbs_get_uobject_from_file(u16 object_id, enum uverbs_obj_access access,
+ s64 id, struct uverbs_attr_bundle *attrs)
{
const struct uverbs_api_object *obj =
- uapi_get_object(ufile->device->uapi, object_id);
+ uapi_get_object(attrs->ufile->device->uapi, object_id);
switch (access) {
case UVERBS_ACCESS_READ:
- return rdma_lookup_get_uobject(obj, ufile, id,
- UVERBS_LOOKUP_READ);
+ return rdma_lookup_get_uobject(obj, attrs->ufile, id,
+ UVERBS_LOOKUP_READ, attrs);
case UVERBS_ACCESS_DESTROY:
/* Actual destruction is done inside uverbs_handle_method */
- return rdma_lookup_get_uobject(obj, ufile, id,
- UVERBS_LOOKUP_DESTROY);
+ return rdma_lookup_get_uobject(obj, attrs->ufile, id,
+ UVERBS_LOOKUP_DESTROY, attrs);
case UVERBS_ACCESS_WRITE:
- return rdma_lookup_get_uobject(obj, ufile, id,
- UVERBS_LOOKUP_WRITE);
+ return rdma_lookup_get_uobject(obj, attrs->ufile, id,
+ UVERBS_LOOKUP_WRITE, attrs);
case UVERBS_ACCESS_NEW:
- return rdma_alloc_begin_uobject(obj, ufile);
+ return rdma_alloc_begin_uobject(obj, attrs->ufile, attrs);
default:
WARN_ON(true);
return ERR_PTR(-EOPNOTSUPP);
}
int uverbs_finalize_object(struct ib_uobject *uobj,
- enum uverbs_obj_access access,
- bool commit)
+ enum uverbs_obj_access access, bool commit,
+ struct uverbs_attr_bundle *attrs)
{
int ret = 0;
break;
case UVERBS_ACCESS_NEW:
if (commit)
- ret = rdma_alloc_commit_uobject(uobj);
+ ret = rdma_alloc_commit_uobject(uobj, attrs);
else
- rdma_alloc_abort_uobject(uobj);
+ rdma_alloc_abort_uobject(uobj, attrs);
break;
default:
WARN_ON(true);
void uverbs_destroy_ufile_hw(struct ib_uverbs_file *ufile,
enum rdma_remove_reason reason);
-int uobj_destroy(struct ib_uobject *uobj);
+int uobj_destroy(struct ib_uobject *uobj, struct uverbs_attr_bundle *attrs);
/*
* uverbs_uobject_get is called in order to increase the reference count on
* uverbs_finalize_objects are called.
*/
struct ib_uobject *
-uverbs_get_uobject_from_file(u16 object_id,
- struct ib_uverbs_file *ufile,
- enum uverbs_obj_access access, s64 id);
+uverbs_get_uobject_from_file(u16 object_id, enum uverbs_obj_access access,
+ s64 id, struct uverbs_attr_bundle *attrs);
/*
* Note that certain finalize stages could return a status:
* object.
*/
int uverbs_finalize_object(struct ib_uobject *uobj,
- enum uverbs_obj_access access,
- bool commit);
+ enum uverbs_obj_access access, bool commit,
+ struct uverbs_attr_bundle *attrs);
int uverbs_output_written(const struct uverbs_attr_bundle *bundle, size_t idx);
#include <linux/slab.h>
#include <linux/dma-mapping.h>
#include <linux/kref.h>
-#include <linux/idr.h>
+#include <linux/xarray.h>
#include <linux/workqueue.h>
#include <uapi/linux/if_ether.h>
#include <rdma/ib_pack.h>
.remove = ib_sa_remove_one
};
-static DEFINE_SPINLOCK(idr_lock);
-static DEFINE_IDR(query_idr);
+static DEFINE_XARRAY_FLAGS(queries, XA_FLAGS_ALLOC | XA_FLAGS_LOCK_IRQ);
static DEFINE_SPINLOCK(tid_lock);
static u32 tid;
struct ib_mad_agent *agent;
struct ib_mad_send_buf *mad_buf;
- spin_lock_irqsave(&idr_lock, flags);
- if (idr_find(&query_idr, id) != query) {
- spin_unlock_irqrestore(&idr_lock, flags);
+ xa_lock_irqsave(&queries, flags);
+ if (xa_load(&queries, id) != query) {
+ xa_unlock_irqrestore(&queries, flags);
return;
}
agent = query->port->agent;
mad_buf = query->mad_buf;
- spin_unlock_irqrestore(&idr_lock, flags);
+ xa_unlock_irqrestore(&queries, flags);
/*
* If the query is still on the netlink request list, schedule
static int send_mad(struct ib_sa_query *query, unsigned long timeout_ms,
gfp_t gfp_mask)
{
- bool preload = gfpflags_allow_blocking(gfp_mask);
unsigned long flags;
int ret, id;
- if (preload)
- idr_preload(gfp_mask);
- spin_lock_irqsave(&idr_lock, flags);
-
- id = idr_alloc(&query_idr, query, 0, 0, GFP_NOWAIT);
-
- spin_unlock_irqrestore(&idr_lock, flags);
- if (preload)
- idr_preload_end();
- if (id < 0)
- return id;
+ xa_lock_irqsave(&queries, flags);
+ ret = __xa_alloc(&queries, &id, query, xa_limit_32b, gfp_mask);
+ xa_unlock_irqrestore(&queries, flags);
+ if (ret < 0)
+ return ret;
query->mad_buf->timeout_ms = timeout_ms;
query->mad_buf->context[0] = query;
ret = ib_post_send_mad(query->mad_buf, NULL);
if (ret) {
- spin_lock_irqsave(&idr_lock, flags);
- idr_remove(&query_idr, id);
- spin_unlock_irqrestore(&idr_lock, flags);
+ xa_lock_irqsave(&queries, flags);
+ __xa_erase(&queries, id);
+ xa_unlock_irqrestore(&queries, flags);
}
/*
break;
}
- spin_lock_irqsave(&idr_lock, flags);
- idr_remove(&query_idr, query->id);
- spin_unlock_irqrestore(&idr_lock, flags);
+ xa_lock_irqsave(&queries, flags);
+ __xa_erase(&queries, query->id);
+ xa_unlock_irqrestore(&queries, flags);
free_mad(query);
if (query->client)
destroy_workqueue(ib_nl_wq);
mcast_cleanup();
ib_unregister_client(&sa_client);
- idr_destroy(&query_idr);
+ WARN_ON(!xa_empty(&queries));
}
static size_t print_ndev(const struct ib_gid_attr *gid_attr, char *buf)
{
- if (!gid_attr->ndev)
- return -EINVAL;
-
- return sprintf(buf, "%s\n", gid_attr->ndev->name);
+ struct net_device *ndev;
+ size_t ret = -EINVAL;
+
+ rcu_read_lock();
+ ndev = rcu_dereference(gid_attr->ndev);
+ if (ndev)
+ ret = sprintf(buf, "%s\n", ndev->name);
+ rcu_read_unlock();
+ return ret;
}
static size_t print_gid_type(const struct ib_gid_attr *gid_attr, char *buf)
return;
}
-static int add_port(struct ib_device *device, int port_num)
+static int add_port(struct ib_core_device *coredev, int port_num)
{
+ struct ib_device *device = rdma_device_to_ibdev(&coredev->dev);
+ bool is_full_dev = &device->coredev == coredev;
struct ib_port *p;
struct ib_port_attr attr;
int i;
p->port_num = port_num;
ret = kobject_init_and_add(&p->kobj, &port_type,
- device->ports_kobj,
+ coredev->ports_kobj,
"%d", port_num);
if (ret) {
kfree(p);
goto err_put;
}
- if (device->ops.process_mad) {
+ if (device->ops.process_mad && is_full_dev) {
p->pma_table = get_counter_table(device, port_num);
ret = sysfs_create_group(&p->kobj, p->pma_table);
if (ret)
if (ret)
goto err_free_pkey;
- if (device->ops.init_port) {
+ if (device->ops.init_port && is_full_dev) {
ret = device->ops.init_port(device, port_num, &p->kobj);
if (ret)
goto err_remove_pkey;
* port, so holder should be device. Therefore skip per port conunter
* initialization.
*/
- if (device->ops.alloc_hw_stats && port_num)
+ if (device->ops.alloc_hw_stats && port_num && is_full_dev)
setup_hw_stats(device, p, port_num);
- list_add_tail(&p->kobj.entry, &device->port_list);
+ list_add_tail(&p->kobj.entry, &coredev->port_list);
kobject_uevent(&p->kobj, KOBJ_ADD);
return 0;
case RDMA_NODE_RNIC: return sprintf(buf, "%d: RNIC\n", dev->node_type);
case RDMA_NODE_USNIC: return sprintf(buf, "%d: usNIC\n", dev->node_type);
case RDMA_NODE_USNIC_UDP: return sprintf(buf, "%d: usNIC UDP\n", dev->node_type);
+ case RDMA_NODE_UNSPECIFIED: return sprintf(buf, "%d: unspecified\n", dev->node_type);
case RDMA_NODE_IB_SWITCH: return sprintf(buf, "%d: switch\n", dev->node_type);
case RDMA_NODE_IB_ROUTER: return sprintf(buf, "%d: router\n", dev->node_type);
default: return sprintf(buf, "%d: <unknown>\n", dev->node_type);
.attrs = ib_dev_attrs,
};
-static void ib_free_port_attrs(struct ib_device *device)
+void ib_free_port_attrs(struct ib_core_device *coredev)
{
struct kobject *p, *t;
- list_for_each_entry_safe(p, t, &device->port_list, entry) {
+ list_for_each_entry_safe(p, t, &coredev->port_list, entry) {
struct ib_port *port = container_of(p, struct ib_port, kobj);
list_del(&p->entry);
kobject_put(p);
}
- kobject_put(device->ports_kobj);
+ kobject_put(coredev->ports_kobj);
}
-static int ib_setup_port_attrs(struct ib_device *device)
+int ib_setup_port_attrs(struct ib_core_device *coredev)
{
+ struct ib_device *device = rdma_device_to_ibdev(&coredev->dev);
unsigned int port;
int ret;
- device->ports_kobj = kobject_create_and_add("ports", &device->dev.kobj);
- if (!device->ports_kobj)
+ coredev->ports_kobj = kobject_create_and_add("ports",
+ &coredev->dev.kobj);
+ if (!coredev->ports_kobj)
return -ENOMEM;
rdma_for_each_port (device, port) {
- ret = add_port(device, port);
+ ret = add_port(coredev, port);
if (ret)
goto err_put;
}
return 0;
err_put:
- ib_free_port_attrs(device);
+ ib_free_port_attrs(coredev);
return ret;
}
{
int ret;
- ret = ib_setup_port_attrs(device);
+ ret = ib_setup_port_attrs(&device->coredev);
if (ret)
return ret;
free_hsag(&device->dev.kobj, device->hw_stats_ag);
kfree(device->hw_stats);
- ib_free_port_attrs(device);
+ ib_free_port_attrs(&device->coredev);
+}
+
+/**
+ * ib_port_register_module_stat - add module counters under relevant port
+ * of IB device.
+ *
+ * @device: IB device to add counters
+ * @port_num: valid port number
+ * @kobj: pointer to the kobject to initialize
+ * @ktype: pointer to the ktype for this kobject.
+ * @name: the name of the kobject
+ */
+int ib_port_register_module_stat(struct ib_device *device, u8 port_num,
+ struct kobject *kobj, struct kobj_type *ktype,
+ const char *name)
+{
+ struct kobject *p, *t;
+ int ret;
+
+ list_for_each_entry_safe(p, t, &device->coredev.port_list, entry) {
+ struct ib_port *port = container_of(p, struct ib_port, kobj);
+
+ if (port->port_num != port_num)
+ continue;
+
+ ret = kobject_init_and_add(kobj, ktype, &port->kobj, "%s",
+ name);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL(ib_port_register_module_stat);
+
+/**
+ * ib_port_unregister_module_stat - release module counters
+ * @kobj: pointer to the kobject to release
+ */
+void ib_port_unregister_module_stat(struct kobject *kobj)
+{
+ kobject_put(kobj);
}
+EXPORT_SYMBOL(ib_port_unregister_module_stat);
#include <linux/file.h>
#include <linux/mount.h>
#include <linux/cdev.h>
-#include <linux/idr.h>
+#include <linux/xarray.h>
#include <linux/mutex.h>
#include <linux/slab.h>
.remove = ib_ucm_remove_one
};
-static DEFINE_MUTEX(ctx_id_mutex);
-static DEFINE_IDR(ctx_id_table);
+static DEFINE_XARRAY_ALLOC(ctx_id_table);
static DECLARE_BITMAP(dev_map, IB_UCM_MAX_DEVICES);
static struct ib_ucm_context *ib_ucm_ctx_get(struct ib_ucm_file *file, int id)
{
struct ib_ucm_context *ctx;
- mutex_lock(&ctx_id_mutex);
- ctx = idr_find(&ctx_id_table, id);
+ xa_lock(&ctx_id_table);
+ ctx = xa_load(&ctx_id_table, id);
if (!ctx)
ctx = ERR_PTR(-ENOENT);
else if (ctx->file != file)
ctx = ERR_PTR(-EINVAL);
else
atomic_inc(&ctx->ref);
- mutex_unlock(&ctx_id_mutex);
+ xa_unlock(&ctx_id_table);
return ctx;
}
ctx->file = file;
INIT_LIST_HEAD(&ctx->events);
- mutex_lock(&ctx_id_mutex);
- ctx->id = idr_alloc(&ctx_id_table, ctx, 0, 0, GFP_KERNEL);
- mutex_unlock(&ctx_id_mutex);
- if (ctx->id < 0)
+ if (xa_alloc(&ctx_id_table, &ctx->id, ctx, xa_limit_32b, GFP_KERNEL))
goto error;
list_add_tail(&ctx->file_list, &file->ctxs);
err2:
ib_destroy_cm_id(ctx->cm_id);
err1:
- mutex_lock(&ctx_id_mutex);
- idr_remove(&ctx_id_table, ctx->id);
- mutex_unlock(&ctx_id_mutex);
+ xa_erase(&ctx_id_table, ctx->id);
kfree(ctx);
return result;
}
if (copy_from_user(&cmd, inbuf, sizeof(cmd)))
return -EFAULT;
- mutex_lock(&ctx_id_mutex);
- ctx = idr_find(&ctx_id_table, cmd.id);
+ xa_lock(&ctx_id_table);
+ ctx = xa_load(&ctx_id_table, cmd.id);
if (!ctx)
ctx = ERR_PTR(-ENOENT);
else if (ctx->file != file)
ctx = ERR_PTR(-EINVAL);
else
- idr_remove(&ctx_id_table, ctx->id);
- mutex_unlock(&ctx_id_mutex);
+ __xa_erase(&ctx_id_table, ctx->id);
+ xa_unlock(&ctx_id_table);
if (IS_ERR(ctx))
return PTR_ERR(ctx);
struct ib_ucm_context, file_list);
mutex_unlock(&file->file_mutex);
- mutex_lock(&ctx_id_mutex);
- idr_remove(&ctx_id_table, ctx->id);
- mutex_unlock(&ctx_id_mutex);
-
+ xa_erase(&ctx_id_table, ctx->id);
ib_destroy_cm_id(ctx->cm_id);
ib_ucm_cleanup_events(ctx);
kfree(ctx);
class_remove_file(&cm_class, &class_attr_abi_version.attr);
unregister_chrdev_region(IB_UCM_BASE_DEV, IB_UCM_NUM_FIXED_MINOR);
unregister_chrdev_region(dynamic_ucm_dev, IB_UCM_NUM_DYNAMIC_MINOR);
- idr_destroy(&ctx_id_table);
+ WARN_ON(!xa_empty(&ctx_id_table));
}
module_init(ib_ucm_init);
#include <linux/sched/signal.h>
#include <linux/sched/mm.h>
#include <linux/export.h>
-#include <linux/hugetlb.h>
#include <linux/slab.h>
+#include <linux/pagemap.h>
#include <rdma/ib_umem_odp.h>
#include "uverbs.h"
-
static void __ib_umem_release(struct ib_device *dev, struct ib_umem *umem, int dirty)
{
- struct scatterlist *sg;
+ struct sg_page_iter sg_iter;
struct page *page;
- int i;
if (umem->nmap > 0)
- ib_dma_unmap_sg(dev, umem->sg_head.sgl,
- umem->npages,
+ ib_dma_unmap_sg(dev, umem->sg_head.sgl, umem->sg_nents,
DMA_BIDIRECTIONAL);
- for_each_sg(umem->sg_head.sgl, sg, umem->npages, i) {
-
- page = sg_page(sg);
+ for_each_sg_page(umem->sg_head.sgl, &sg_iter, umem->sg_nents, 0) {
+ page = sg_page_iter_page(&sg_iter);
if (!PageDirty(page) && umem->writable && dirty)
set_page_dirty_lock(page);
put_page(page);
sg_free_table(&umem->sg_head);
}
+/* ib_umem_add_sg_table - Add N contiguous pages to scatter table
+ *
+ * sg: current scatterlist entry
+ * page_list: array of npage struct page pointers
+ * npages: number of pages in page_list
+ * max_seg_sz: maximum segment size in bytes
+ * nents: [out] number of entries in the scatterlist
+ *
+ * Return new end of scatterlist
+ */
+static struct scatterlist *ib_umem_add_sg_table(struct scatterlist *sg,
+ struct page **page_list,
+ unsigned long npages,
+ unsigned int max_seg_sz,
+ int *nents)
+{
+ unsigned long first_pfn;
+ unsigned long i = 0;
+ bool update_cur_sg = false;
+ bool first = !sg_page(sg);
+
+ /* Check if new page_list is contiguous with end of previous page_list.
+ * sg->length here is a multiple of PAGE_SIZE and sg->offset is 0.
+ */
+ if (!first && (page_to_pfn(sg_page(sg)) + (sg->length >> PAGE_SHIFT) ==
+ page_to_pfn(page_list[0])))
+ update_cur_sg = true;
+
+ while (i != npages) {
+ unsigned long len;
+ struct page *first_page = page_list[i];
+
+ first_pfn = page_to_pfn(first_page);
+
+ /* Compute the number of contiguous pages we have starting
+ * at i
+ */
+ for (len = 0; i != npages &&
+ first_pfn + len == page_to_pfn(page_list[i]) &&
+ len < (max_seg_sz >> PAGE_SHIFT);
+ len++)
+ i++;
+
+ /* Squash N contiguous pages from page_list into current sge */
+ if (update_cur_sg) {
+ if ((max_seg_sz - sg->length) >= (len << PAGE_SHIFT)) {
+ sg_set_page(sg, sg_page(sg),
+ sg->length + (len << PAGE_SHIFT),
+ 0);
+ update_cur_sg = false;
+ continue;
+ }
+ update_cur_sg = false;
+ }
+
+ /* Squash N contiguous pages into next sge or first sge */
+ if (!first)
+ sg = sg_next(sg);
+
+ (*nents)++;
+ sg_set_page(sg, first_page, len << PAGE_SHIFT, 0);
+ first = false;
+ }
+
+ return sg;
+}
+
+/**
+ * ib_umem_find_best_pgsz - Find best HW page size to use for this MR
+ *
+ * @umem: umem struct
+ * @pgsz_bitmap: bitmap of HW supported page sizes
+ * @virt: IOVA
+ *
+ * This helper is intended for HW that support multiple page
+ * sizes but can do only a single page size in an MR.
+ *
+ * Returns 0 if the umem requires page sizes not supported by
+ * the driver to be mapped. Drivers always supporting PAGE_SIZE
+ * or smaller will never see a 0 result.
+ */
+unsigned long ib_umem_find_best_pgsz(struct ib_umem *umem,
+ unsigned long pgsz_bitmap,
+ unsigned long virt)
+{
+ struct scatterlist *sg;
+ unsigned int best_pg_bit;
+ unsigned long va, pgoff;
+ dma_addr_t mask;
+ int i;
+
+ /* At minimum, drivers must support PAGE_SIZE or smaller */
+ if (WARN_ON(!(pgsz_bitmap & GENMASK(PAGE_SHIFT, 0))))
+ return 0;
+
+ va = virt;
+ /* max page size not to exceed MR length */
+ mask = roundup_pow_of_two(umem->length);
+ /* offset into first SGL */
+ pgoff = umem->address & ~PAGE_MASK;
+
+ for_each_sg(umem->sg_head.sgl, sg, umem->nmap, i) {
+ /* Walk SGL and reduce max page size if VA/PA bits differ
+ * for any address.
+ */
+ mask |= (sg_dma_address(sg) + pgoff) ^ va;
+ if (i && i != (umem->nmap - 1))
+ /* restrict by length as well for interior SGEs */
+ mask |= sg_dma_len(sg);
+ va += sg_dma_len(sg) - pgoff;
+ pgoff = 0;
+ }
+ best_pg_bit = rdma_find_pg_bit(mask, pgsz_bitmap);
+
+ return BIT_ULL(best_pg_bit);
+}
+EXPORT_SYMBOL(ib_umem_find_best_pgsz);
+
/**
* ib_umem_get - Pin and DMA map userspace memory.
*
struct ib_ucontext *context;
struct ib_umem *umem;
struct page **page_list;
- struct vm_area_struct **vma_list;
unsigned long lock_limit;
unsigned long new_pinned;
unsigned long cur_base;
struct mm_struct *mm;
unsigned long npages;
int ret;
- int i;
unsigned long dma_attrs = 0;
- struct scatterlist *sg, *sg_list_start;
+ struct scatterlist *sg;
unsigned int gup_flags = FOLL_WRITE;
if (!udata)
mmgrab(mm);
if (access & IB_ACCESS_ON_DEMAND) {
+ if (WARN_ON_ONCE(!context->invalidate_range)) {
+ ret = -EINVAL;
+ goto umem_kfree;
+ }
+
ret = ib_umem_odp_get(to_ib_umem_odp(umem), access);
if (ret)
goto umem_kfree;
return umem;
}
- /* We assume the memory is from hugetlb until proved otherwise */
- umem->hugetlb = 1;
-
page_list = (struct page **) __get_free_page(GFP_KERNEL);
if (!page_list) {
ret = -ENOMEM;
goto umem_kfree;
}
- /*
- * if we can't alloc the vma_list, it's not so bad;
- * just assume the memory is not hugetlb memory
- */
- vma_list = (struct vm_area_struct **) __get_free_page(GFP_KERNEL);
- if (!vma_list)
- umem->hugetlb = 0;
-
npages = ib_umem_num_pages(umem);
if (npages == 0 || npages > UINT_MAX) {
ret = -EINVAL;
if (!umem->writable)
gup_flags |= FOLL_FORCE;
- sg_list_start = umem->sg_head.sgl;
+ sg = umem->sg_head.sgl;
while (npages) {
down_read(&mm->mmap_sem);
ret = get_user_pages_longterm(cur_base,
min_t(unsigned long, npages,
PAGE_SIZE / sizeof (struct page *)),
- gup_flags, page_list, vma_list);
+ gup_flags, page_list, NULL);
if (ret < 0) {
up_read(&mm->mmap_sem);
goto umem_release;
}
- umem->npages += ret;
cur_base += ret * PAGE_SIZE;
npages -= ret;
- /* Continue to hold the mmap_sem as vma_list access
- * needs to be protected.
- */
- for_each_sg(sg_list_start, sg, ret, i) {
- if (vma_list && !is_vm_hugetlb_page(vma_list[i]))
- umem->hugetlb = 0;
+ sg = ib_umem_add_sg_table(sg, page_list, ret,
+ dma_get_max_seg_size(context->device->dma_device),
+ &umem->sg_nents);
- sg_set_page(sg, page_list[i], PAGE_SIZE, 0);
- }
up_read(&mm->mmap_sem);
-
- /* preparing for next loop */
- sg_list_start = sg;
}
+ sg_mark_end(sg);
+
umem->nmap = ib_dma_map_sg_attrs(context->device,
umem->sg_head.sgl,
- umem->npages,
+ umem->sg_nents,
DMA_BIDIRECTIONAL,
dma_attrs);
vma:
atomic64_sub(ib_umem_num_pages(umem), &mm->pinned_vm);
out:
- if (vma_list)
- free_page((unsigned long) vma_list);
free_page((unsigned long) page_list);
umem_kfree:
if (ret) {
return -EINVAL;
}
- ret = sg_pcopy_to_buffer(umem->sg_head.sgl, umem->npages, dst, length,
+ ret = sg_pcopy_to_buffer(umem->sg_head.sgl, umem->sg_nents, dst, length,
offset + ib_umem_offset(umem));
if (ret < 0)
per_mm->mm = mm;
per_mm->umem_tree = RB_ROOT_CACHED;
init_rwsem(&per_mm->umem_rwsem);
- per_mm->active = ctx->invalidate_range;
+ per_mm->active = true;
rcu_read_lock();
per_mm->tgid = get_task_pid(current->group_leader, PIDTYPE_PID);
h = hstate_vma(vma);
umem->page_shift = huge_page_shift(h);
up_read(&mm->mmap_sem);
- umem->hugetlb = 1;
- } else {
- umem->hugetlb = 0;
}
mutex_init(&umem_odp->umem_mutex);
struct ib_umem *umem = &umem_odp->umem;
struct ib_device *dev = umem->context->device;
dma_addr_t dma_addr;
- int stored_page = 0;
int remove_existing_mapping = 0;
int ret = 0;
}
umem_odp->dma_list[page_index] = dma_addr | access_mask;
umem_odp->page_list[page_index] = page;
- umem->npages++;
- stored_page = 1;
+ umem_odp->npages++;
} else if (umem_odp->page_list[page_index] == page) {
umem_odp->dma_list[page_index] |= access_mask;
} else {
}
out:
- /* On Demand Paging - avoid pinning the page */
- if (umem->context->invalidate_range || !stored_page)
- put_page(page);
+ put_page(page);
- if (remove_existing_mapping && umem->context->invalidate_range) {
+ if (remove_existing_mapping) {
ib_umem_notifier_start_account(umem_odp);
umem->context->invalidate_range(
umem_odp,
*/
set_page_dirty(head_page);
}
- /* on demand pinning support */
- if (!umem->context->invalidate_range)
- put_page(page);
umem_odp->page_list[idx] = NULL;
umem_odp->dma_list[idx] = 0;
- umem->npages--;
+ umem_odp->npages--;
}
}
mutex_unlock(&umem_odp->umem_mutex);
struct ib_user_mad mad;
};
+#define CREATE_TRACE_POINTS
+#include <trace/events/ib_umad.h>
+
static const dev_t base_umad_dev = MKDEV(IB_UMAD_MAJOR, IB_UMAD_MINOR_BASE);
static const dev_t base_issm_dev = MKDEV(IB_UMAD_MAJOR, IB_UMAD_MINOR_BASE) +
IB_UMAD_NUM_FIXED_MINOR;
return -EFAULT;
}
}
+
+ trace_ib_umad_read_recv(file, &packet->mad.hdr, &recv_buf->mad->mad_hdr);
+
return hdr_size(file) + packet->length;
}
if (copy_to_user(buf, packet->mad.data, packet->length))
return -EFAULT;
+ trace_ib_umad_read_send(file, &packet->mad.hdr,
+ (struct ib_mad_hdr *)&packet->mad.data);
+
return size;
}
mutex_lock(&file->mutex);
+ trace_ib_umad_write(file, &packet->mad.hdr,
+ (struct ib_mad_hdr *)&packet->mad.data);
+
agent = __get_agent(file, packet->mad.hdr.id);
if (!agent) {
ret = -EINVAL;
goto out;
}
+ if (!rdma_dev_access_netns(port->ib_dev, current->nsproxy->net_ns)) {
+ ret = -EPERM;
+ goto out;
+ }
+
file = kzalloc(sizeof(*file), GFP_KERNEL);
if (!file) {
ret = -ENOMEM;
}
}
+ if (!rdma_dev_access_netns(port->ib_dev, current->nsproxy->net_ns)) {
+ ret = -EPERM;
+ goto err_up_sem;
+ }
+
ret = ib_modify_port(port->ib_dev, port->port_num, 0, &props);
if (ret)
goto err_up_sem;
struct list_head umaps;
struct page *disassociate_page;
- struct idr idr;
- /* spinlock protects write access to idr */
- spinlock_t idr_lock;
+ struct xarray idr;
};
struct ib_uverbs_event {
void ib_uverbs_event_handler(struct ib_event_handler *handler,
struct ib_event *event);
int ib_uverbs_dealloc_xrcd(struct ib_uobject *uobject, struct ib_xrcd *xrcd,
- enum rdma_remove_reason why);
+ enum rdma_remove_reason why,
+ struct uverbs_attr_bundle *attrs);
int uverbs_dealloc_mw(struct ib_mw *mw);
void ib_uverbs_detach_umcast(struct ib_qp *qp,
const void __user *res = iter->cur;
if (iter->cur + len > iter->end)
- return ERR_PTR(-ENOSPC);
+ return (void __force __user *)ERR_PTR(-ENOSPC);
iter->cur += len;
return res;
}
}
static struct ib_uverbs_completion_event_file *
-_ib_uverbs_lookup_comp_file(s32 fd, const struct uverbs_attr_bundle *attrs)
+_ib_uverbs_lookup_comp_file(s32 fd, struct uverbs_attr_bundle *attrs)
{
struct ib_uobject *uobj = ufd_get_read(UVERBS_OBJECT_COMP_CHANNEL,
fd, attrs);
goto err_alloc;
}
+ attrs->context = ucontext;
+
ucontext->res.type = RDMA_RESTRACK_CTX;
ucontext->device = ib_dev;
ucontext->cg_obj = cg_obj;
atomic_set(&pd->usecnt, 0);
pd->res.type = RDMA_RESTRACK_PD;
- ret = ib_dev->ops.alloc_pd(pd, uobj->context, &attrs->driver_udata);
+ ret = ib_dev->ops.alloc_pd(pd, &attrs->driver_udata);
if (ret)
goto err_alloc;
if (ret)
goto err_copy;
- return uobj_alloc_commit(uobj);
+ return uobj_alloc_commit(uobj, attrs);
err_copy:
- ib_dealloc_pd(pd);
+ ib_dealloc_pd_user(pd, &attrs->driver_udata);
pd = NULL;
err_alloc:
kfree(pd);
err:
- uobj_alloc_abort(uobj);
+ uobj_alloc_abort(uobj, attrs);
return ret;
}
}
if (!xrcd) {
- xrcd = ib_dev->ops.alloc_xrcd(ib_dev, obj->uobject.context,
- &attrs->driver_udata);
+ xrcd = ib_dev->ops.alloc_xrcd(ib_dev, &attrs->driver_udata);
if (IS_ERR(xrcd)) {
ret = PTR_ERR(xrcd);
goto err;
mutex_unlock(&ibudev->xrcd_tree_mutex);
- return uobj_alloc_commit(&obj->uobject);
+ return uobj_alloc_commit(&obj->uobject, attrs);
err_copy:
if (inode) {
}
err_dealloc_xrcd:
- ib_dealloc_xrcd(xrcd);
+ ib_dealloc_xrcd(xrcd, &attrs->driver_udata);
err:
- uobj_alloc_abort(&obj->uobject);
+ uobj_alloc_abort(&obj->uobject, attrs);
err_tree_mutex_unlock:
if (f.file)
return uobj_perform_destroy(UVERBS_OBJECT_XRCD, cmd.xrcd_handle, attrs);
}
-int ib_uverbs_dealloc_xrcd(struct ib_uobject *uobject,
- struct ib_xrcd *xrcd,
- enum rdma_remove_reason why)
+int ib_uverbs_dealloc_xrcd(struct ib_uobject *uobject, struct ib_xrcd *xrcd,
+ enum rdma_remove_reason why,
+ struct uverbs_attr_bundle *attrs)
{
struct inode *inode;
int ret;
- struct ib_uverbs_device *dev = uobject->context->ufile->device;
+ struct ib_uverbs_device *dev = attrs->ufile->device;
inode = xrcd->inode;
if (inode && !atomic_dec_and_test(&xrcd->usecnt))
return 0;
- ret = ib_dealloc_xrcd(xrcd);
+ ret = ib_dealloc_xrcd(xrcd, &attrs->driver_udata);
if (ib_is_destroy_retryable(ret, why, uobject)) {
atomic_inc(&xrcd->usecnt);
uobj_put_obj_read(pd);
- return uobj_alloc_commit(uobj);
+ return uobj_alloc_commit(uobj, attrs);
err_copy:
- ib_dereg_mr(mr);
+ ib_dereg_mr_user(mr, &attrs->driver_udata);
err_put:
uobj_put_obj_read(pd);
err_free:
- uobj_alloc_abort(uobj);
+ uobj_alloc_abort(uobj, attrs);
return ret;
}
goto err_copy;
uobj_put_obj_read(pd);
- return uobj_alloc_commit(uobj);
+ return uobj_alloc_commit(uobj, attrs);
err_copy:
uverbs_dealloc_mw(mw);
err_put:
uobj_put_obj_read(pd);
err_free:
- uobj_alloc_abort(uobj);
+ uobj_alloc_abort(uobj, attrs);
return ret;
}
ret = uverbs_response(attrs, &resp, sizeof(resp));
if (ret) {
- uobj_alloc_abort(uobj);
+ uobj_alloc_abort(uobj, attrs);
return ret;
}
- return uobj_alloc_commit(uobj);
+ return uobj_alloc_commit(uobj, attrs);
}
static struct ib_ucq_object *create_cq(struct uverbs_attr_bundle *attrs,
attr.comp_vector = cmd->comp_vector;
attr.flags = cmd->flags;
- cq = ib_dev->ops.create_cq(ib_dev, &attr, obj->uobject.context,
- &attrs->driver_udata);
+ cq = ib_dev->ops.create_cq(ib_dev, &attr, &attrs->driver_udata);
if (IS_ERR(cq)) {
ret = PTR_ERR(cq);
goto err_file;
if (ret)
goto err_cb;
- ret = uobj_alloc_commit(&obj->uobject);
+ ret = uobj_alloc_commit(&obj->uobject, attrs);
if (ret)
return ERR_PTR(ret);
return obj;
ib_uverbs_release_ucq(attrs->ufile, ev_file, obj);
err:
- uobj_alloc_abort(&obj->uobject);
+ uobj_alloc_abort(&obj->uobject, attrs);
return ERR_PTR(ret);
}
if (ret)
goto err_cb;
- qp->real_qp = qp;
qp->pd = pd;
qp->send_cq = attr.send_cq;
qp->recv_cq = attr.recv_cq;
if (ind_tbl)
uobj_put_obj_read(ind_tbl);
- return uobj_alloc_commit(&obj->uevent.uobject);
+ return uobj_alloc_commit(&obj->uevent.uobject, attrs);
err_cb:
ib_destroy_qp(qp);
if (ind_tbl)
uobj_put_obj_read(ind_tbl);
- uobj_alloc_abort(&obj->uevent.uobject);
+ uobj_alloc_abort(&obj->uevent.uobject, attrs);
return ret;
}
qp->uobject = &obj->uevent.uobject;
uobj_put_read(xrcd_uobj);
- return uobj_alloc_commit(&obj->uevent.uobject);
+ return uobj_alloc_commit(&obj->uevent.uobject, attrs);
err_destroy:
ib_destroy_qp(qp);
err_xrcd:
uobj_put_read(xrcd_uobj);
err_put:
- uobj_alloc_abort(&obj->uevent.uobject);
+ uobj_alloc_abort(&obj->uevent.uobject, attrs);
return ret;
}
goto err_copy;
uobj_put_obj_read(pd);
- return uobj_alloc_commit(uobj);
+ return uobj_alloc_commit(uobj, attrs);
err_copy:
rdma_destroy_ah(ah, RDMA_DESTROY_AH_SLEEPABLE);
uobj_put_obj_read(pd);
err:
- uobj_alloc_abort(uobj);
+ uobj_alloc_abort(uobj, attrs);
return ret;
}
uobj_put_obj_read(pd);
uobj_put_obj_read(cq);
- return uobj_alloc_commit(&obj->uevent.uobject);
+ return uobj_alloc_commit(&obj->uevent.uobject, attrs);
err_copy:
- ib_destroy_wq(wq);
+ ib_destroy_wq(wq, &attrs->driver_udata);
err_put_cq:
uobj_put_obj_read(cq);
err_put_pd:
uobj_put_obj_read(pd);
err_uobj:
- uobj_alloc_abort(&obj->uevent.uobject);
+ uobj_alloc_abort(&obj->uevent.uobject, attrs);
return err;
}
for (j = 0; j < num_read_wqs; j++)
uobj_put_obj_read(wqs[j]);
- return uobj_alloc_commit(uobj);
+ return uobj_alloc_commit(uobj, attrs);
err_copy:
ib_destroy_rwq_ind_table(rwq_ind_tbl);
err_uobj:
- uobj_alloc_abort(uobj);
+ uobj_alloc_abort(uobj, attrs);
put_wqs:
for (j = 0; j < num_read_wqs; j++)
uobj_put_obj_read(wqs[j]);
kfree(flow_attr);
if (cmd.flow_attr.num_of_specs)
kfree(kern_flow_attr);
- return uobj_alloc_commit(uobj);
+ return uobj_alloc_commit(uobj, attrs);
err_copy:
if (!qp->device->ops.destroy_flow(flow_id))
atomic_dec(&qp->usecnt);
err_put:
uobj_put_obj_read(qp);
err_uobj:
- uobj_alloc_abort(uobj);
+ uobj_alloc_abort(uobj, attrs);
err_free_attr:
if (cmd.flow_attr.num_of_specs)
kfree(kern_flow_attr);
obj->uevent.events_reported = 0;
INIT_LIST_HEAD(&obj->uevent.event_list);
- srq = pd->device->ops.create_srq(pd, &attr, udata);
- if (IS_ERR(srq)) {
- ret = PTR_ERR(srq);
+ srq = rdma_zalloc_drv_obj(ib_dev, ib_srq);
+ if (!srq) {
+ ret = -ENOMEM;
goto err_put;
}
srq->event_handler = attr.event_handler;
srq->srq_context = attr.srq_context;
+ ret = pd->device->ops.create_srq(srq, &attr, udata);
+ if (ret)
+ goto err_free;
+
if (ib_srq_has_cq(cmd->srq_type)) {
srq->ext.cq = attr.ext.cq;
atomic_inc(&attr.ext.cq->usecnt);
uobj_put_obj_read(attr.ext.cq);
uobj_put_obj_read(pd);
- return uobj_alloc_commit(&obj->uevent.uobject);
+ return uobj_alloc_commit(&obj->uevent.uobject, attrs);
err_copy:
- ib_destroy_srq(srq);
+ ib_destroy_srq_user(srq, &attrs->driver_udata);
+err_free:
+ kfree(srq);
err_put:
uobj_put_obj_read(pd);
}
err:
- uobj_alloc_abort(&obj->uevent.uobject);
+ uobj_alloc_abort(&obj->uevent.uobject, attrs);
return ret;
}
for (i = 0; i != array_len; i++) {
attr->uobjects[i] = uverbs_get_uobject_from_file(
- spec->u2.objs_arr.obj_type, pbundle->bundle.ufile,
- spec->u2.objs_arr.access, idr_vals[i]);
+ spec->u2.objs_arr.obj_type, spec->u2.objs_arr.access,
+ idr_vals[i], &pbundle->bundle);
if (IS_ERR(attr->uobjects[i])) {
ret = PTR_ERR(attr->uobjects[i]);
break;
}
- pbundle->bundle.context = attr->uobjects[i]->context;
}
attr->len = i;
static int uverbs_free_idrs_array(const struct uverbs_api_attr *attr_uapi,
struct uverbs_objs_arr_attr *attr,
- bool commit)
+ bool commit, struct uverbs_attr_bundle *attrs)
{
const struct uverbs_attr_spec *spec = &attr_uapi->spec;
int current_ret;
size_t i;
for (i = 0; i != attr->len; i++) {
- current_ret = uverbs_finalize_object(
- attr->uobjects[i], spec->u2.objs_arr.access, commit);
+ current_ret = uverbs_finalize_object(attr->uobjects[i],
+ spec->u2.objs_arr.access,
+ commit, attrs);
if (!ret)
ret = current_ret;
}
* IDR implementation today rejects negative IDs
*/
o_attr->uobject = uverbs_get_uobject_from_file(
- spec->u.obj.obj_type,
- pbundle->bundle.ufile,
- spec->u.obj.access,
- uattr->data_s64);
+ spec->u.obj.obj_type, spec->u.obj.access,
+ uattr->data_s64, &pbundle->bundle);
if (IS_ERR(o_attr->uobject))
return PTR_ERR(o_attr->uobject);
- pbundle->bundle.context = o_attr->uobject->context;
__set_bit(attr_bkey, pbundle->uobj_finalize);
if (spec->u.obj.access == UVERBS_ACCESS_NEW) {
uverbs_fill_udata(&pbundle->bundle,
&pbundle->bundle.driver_udata,
UVERBS_ATTR_UHW_IN, UVERBS_ATTR_UHW_OUT);
+ else
+ pbundle->bundle.driver_udata = (struct ib_udata){};
if (destroy_bkey != UVERBS_API_ATTR_BKEY_LEN) {
struct uverbs_obj_attr *destroy_attr =
&pbundle->bundle.attrs[destroy_bkey].obj_attr;
- ret = uobj_destroy(destroy_attr->uobject);
+ ret = uobj_destroy(destroy_attr->uobject, &pbundle->bundle);
if (ret)
return ret;
__clear_bit(destroy_bkey, pbundle->uobj_finalize);
current_ret = uverbs_finalize_object(
attr->obj_attr.uobject,
- attr->obj_attr.attr_elm->spec.u.obj.access, commit);
+ attr->obj_attr.attr_elm->spec.u.obj.access, commit,
+ &pbundle->bundle);
if (!ret)
ret = current_ret;
}
if (attr_uapi->spec.type == UVERBS_ATTR_TYPE_IDRS_ARRAY) {
current_ret = uverbs_free_idrs_array(
- attr_uapi, &attr->objs_arr_attr, commit);
+ attr_uapi, &attr->objs_arr_attr, commit,
+ &pbundle->bundle);
if (!ret)
ret = current_ret;
}
* then the command request structure starts
* with a '__aligned u64 response' member.
*/
- ret = get_user(response, (const u64 *)buf);
+ ret = get_user(response, (const u64 __user *)buf);
if (ret)
goto out_unlock;
.fault = rdma_umap_fault,
};
-static struct rdma_umap_priv *rdma_user_mmap_pre(struct ib_ucontext *ucontext,
- struct vm_area_struct *vma,
- unsigned long size)
+/*
+ * Map IO memory into a process. This is to be called by drivers as part of
+ * their mmap() functions if they wish to send something like PCI-E BAR memory
+ * to userspace.
+ */
+int rdma_user_mmap_io(struct ib_ucontext *ucontext, struct vm_area_struct *vma,
+ unsigned long pfn, unsigned long size, pgprot_t prot)
{
struct ib_uverbs_file *ufile = ucontext->ufile;
struct rdma_umap_priv *priv;
if (!(vma->vm_flags & VM_SHARED))
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
if (vma->vm_end - vma->vm_start != size)
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
/* Driver is using this wrong, must be called by ib_uverbs_mmap */
if (WARN_ON(!vma->vm_file ||
vma->vm_file->private_data != ufile))
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
lockdep_assert_held(&ufile->device->disassociate_srcu);
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
if (!priv)
- return ERR_PTR(-ENOMEM);
- return priv;
-}
-
-/*
- * Map IO memory into a process. This is to be called by drivers as part of
- * their mmap() functions if they wish to send something like PCI-E BAR memory
- * to userspace.
- */
-int rdma_user_mmap_io(struct ib_ucontext *ucontext, struct vm_area_struct *vma,
- unsigned long pfn, unsigned long size, pgprot_t prot)
-{
- struct rdma_umap_priv *priv = rdma_user_mmap_pre(ucontext, vma, size);
-
- if (IS_ERR(priv))
- return PTR_ERR(priv);
+ return -ENOMEM;
vma->vm_page_prot = prot;
if (io_remap_pfn_range(vma, vma->vm_start, pfn, size, prot)) {
}
EXPORT_SYMBOL(rdma_user_mmap_io);
-/*
- * The page case is here for a slightly different reason, the driver expects
- * to be able to free the page it is sharing to user space when it destroys
- * its ucontext, which means we need to zap the user space references.
- *
- * We could handle this differently by providing an API to allocate a shared
- * page and then only freeing the shared page when the last ufile is
- * destroyed.
- */
-int rdma_user_mmap_page(struct ib_ucontext *ucontext,
- struct vm_area_struct *vma, struct page *page,
- unsigned long size)
-{
- struct rdma_umap_priv *priv = rdma_user_mmap_pre(ucontext, vma, size);
-
- if (IS_ERR(priv))
- return PTR_ERR(priv);
-
- if (remap_pfn_range(vma, vma->vm_start, page_to_pfn(page), size,
- vma->vm_page_prot)) {
- kfree(priv);
- return -EAGAIN;
- }
-
- rdma_umap_priv_init(priv, vma);
- return 0;
-}
-EXPORT_SYMBOL(rdma_user_mmap_page);
-
void uverbs_user_mmap_disassociate(struct ib_uverbs_file *ufile)
{
struct rdma_umap_priv *priv, *next_priv;
goto err;
}
+ if (!rdma_dev_access_netns(ib_dev, current->nsproxy->net_ns)) {
+ ret = -EPERM;
+ goto err;
+ }
+
/* In case IB device supports disassociate ucontext, there is no hard
* dependency between uverbs device and its low level device.
*/
#include "uverbs.h"
static int uverbs_free_ah(struct ib_uobject *uobject,
- enum rdma_remove_reason why)
+ enum rdma_remove_reason why,
+ struct uverbs_attr_bundle *attrs)
{
- return rdma_destroy_ah((struct ib_ah *)uobject->object,
- RDMA_DESTROY_AH_SLEEPABLE);
+ return rdma_destroy_ah_user((struct ib_ah *)uobject->object,
+ RDMA_DESTROY_AH_SLEEPABLE,
+ &attrs->driver_udata);
}
static int uverbs_free_flow(struct ib_uobject *uobject,
- enum rdma_remove_reason why)
+ enum rdma_remove_reason why,
+ struct uverbs_attr_bundle *attrs)
{
struct ib_flow *flow = (struct ib_flow *)uobject->object;
struct ib_uflow_object *uflow =
}
static int uverbs_free_mw(struct ib_uobject *uobject,
- enum rdma_remove_reason why)
+ enum rdma_remove_reason why,
+ struct uverbs_attr_bundle *attrs)
{
return uverbs_dealloc_mw((struct ib_mw *)uobject->object);
}
static int uverbs_free_qp(struct ib_uobject *uobject,
- enum rdma_remove_reason why)
+ enum rdma_remove_reason why,
+ struct uverbs_attr_bundle *attrs)
{
struct ib_qp *qp = uobject->object;
struct ib_uqp_object *uqp =
ib_uverbs_detach_umcast(qp, uqp);
}
- ret = ib_destroy_qp(qp);
+ ret = ib_destroy_qp_user(qp, &attrs->driver_udata);
if (ib_is_destroy_retryable(ret, why, uobject))
return ret;
if (uqp->uxrcd)
atomic_dec(&uqp->uxrcd->refcnt);
- ib_uverbs_release_uevent(uobject->context->ufile, &uqp->uevent);
+ ib_uverbs_release_uevent(attrs->ufile, &uqp->uevent);
return ret;
}
static int uverbs_free_rwq_ind_tbl(struct ib_uobject *uobject,
- enum rdma_remove_reason why)
+ enum rdma_remove_reason why,
+ struct uverbs_attr_bundle *attrs)
{
struct ib_rwq_ind_table *rwq_ind_tbl = uobject->object;
struct ib_wq **ind_tbl = rwq_ind_tbl->ind_tbl;
}
static int uverbs_free_wq(struct ib_uobject *uobject,
- enum rdma_remove_reason why)
+ enum rdma_remove_reason why,
+ struct uverbs_attr_bundle *attrs)
{
struct ib_wq *wq = uobject->object;
struct ib_uwq_object *uwq =
container_of(uobject, struct ib_uwq_object, uevent.uobject);
int ret;
- ret = ib_destroy_wq(wq);
+ ret = ib_destroy_wq(wq, &attrs->driver_udata);
if (ib_is_destroy_retryable(ret, why, uobject))
return ret;
- ib_uverbs_release_uevent(uobject->context->ufile, &uwq->uevent);
+ ib_uverbs_release_uevent(attrs->ufile, &uwq->uevent);
return ret;
}
static int uverbs_free_srq(struct ib_uobject *uobject,
- enum rdma_remove_reason why)
+ enum rdma_remove_reason why,
+ struct uverbs_attr_bundle *attrs)
{
struct ib_srq *srq = uobject->object;
struct ib_uevent_object *uevent =
enum ib_srq_type srq_type = srq->srq_type;
int ret;
- ret = ib_destroy_srq(srq);
+ ret = ib_destroy_srq_user(srq, &attrs->driver_udata);
if (ib_is_destroy_retryable(ret, why, uobject))
return ret;
atomic_dec(&us->uxrcd->refcnt);
}
- ib_uverbs_release_uevent(uobject->context->ufile, uevent);
+ ib_uverbs_release_uevent(attrs->ufile, uevent);
return ret;
}
static int uverbs_free_xrcd(struct ib_uobject *uobject,
- enum rdma_remove_reason why)
+ enum rdma_remove_reason why,
+ struct uverbs_attr_bundle *attrs)
{
struct ib_xrcd *xrcd = uobject->object;
struct ib_uxrcd_object *uxrcd =
if (ret)
return ret;
- mutex_lock(&uobject->context->ufile->device->xrcd_tree_mutex);
- ret = ib_uverbs_dealloc_xrcd(uobject, xrcd, why);
- mutex_unlock(&uobject->context->ufile->device->xrcd_tree_mutex);
+ mutex_lock(&attrs->ufile->device->xrcd_tree_mutex);
+ ret = ib_uverbs_dealloc_xrcd(uobject, xrcd, why, attrs);
+ mutex_unlock(&attrs->ufile->device->xrcd_tree_mutex);
return ret;
}
static int uverbs_free_pd(struct ib_uobject *uobject,
- enum rdma_remove_reason why)
+ enum rdma_remove_reason why,
+ struct uverbs_attr_bundle *attrs)
{
struct ib_pd *pd = uobject->object;
int ret;
if (ret)
return ret;
- ib_dealloc_pd(pd);
+ ib_dealloc_pd_user(pd, &attrs->driver_udata);
return 0;
}
* SOFTWARE.
*/
+#include "rdma_core.h"
#include "uverbs.h"
#include <rdma/uverbs_std_types.h>
static int uverbs_free_counters(struct ib_uobject *uobject,
- enum rdma_remove_reason why)
+ enum rdma_remove_reason why,
+ struct uverbs_attr_bundle *attrs)
{
struct ib_counters *counters = uobject->object;
int ret;
{
struct ib_uobject *uobj = uverbs_attr_get_uobject(
attrs, UVERBS_ATTR_CREATE_COUNTERS_HANDLE);
- struct ib_device *ib_dev = uobj->context->device;
+ struct ib_device *ib_dev = attrs->context->device;
struct ib_counters *counters;
int ret;
#include "uverbs.h"
static int uverbs_free_cq(struct ib_uobject *uobject,
- enum rdma_remove_reason why)
+ enum rdma_remove_reason why,
+ struct uverbs_attr_bundle *attrs)
{
struct ib_cq *cq = uobject->object;
struct ib_uverbs_event_queue *ev_queue = cq->cq_context;
container_of(uobject, struct ib_ucq_object, uobject);
int ret;
- ret = ib_destroy_cq(cq);
+ ret = ib_destroy_cq_user(cq, &attrs->driver_udata);
if (ib_is_destroy_retryable(ret, why, uobject))
return ret;
ib_uverbs_release_ucq(
- uobject->context->ufile,
+ attrs->ufile,
ev_queue ? container_of(ev_queue,
struct ib_uverbs_completion_event_file,
ev_queue) :
struct ib_ucq_object *obj = container_of(
uverbs_attr_get_uobject(attrs, UVERBS_ATTR_CREATE_CQ_HANDLE),
typeof(*obj), uobject);
- struct ib_device *ib_dev = obj->uobject.context->device;
+ struct ib_device *ib_dev = attrs->context->device;
int ret;
u64 user_handle;
struct ib_cq_init_attr attr = {};
INIT_LIST_HEAD(&obj->comp_list);
INIT_LIST_HEAD(&obj->async_list);
- cq = ib_dev->ops.create_cq(ib_dev, &attr, obj->uobject.context,
- &attrs->driver_udata);
+ cq = ib_dev->ops.create_cq(ib_dev, &attr, &attrs->driver_udata);
if (IS_ERR(cq)) {
ret = PTR_ERR(cq);
goto err_event_file;
* SOFTWARE.
*/
+#include "rdma_core.h"
#include "uverbs.h"
#include <rdma/uverbs_std_types.h>
static int uverbs_free_dm(struct ib_uobject *uobject,
- enum rdma_remove_reason why)
+ enum rdma_remove_reason why,
+ struct uverbs_attr_bundle *attrs)
{
struct ib_dm *dm = uobject->object;
int ret;
if (ret)
return ret;
- return dm->device->ops.dealloc_dm(dm);
+ return dm->device->ops.dealloc_dm(dm, attrs);
}
static int UVERBS_HANDLER(UVERBS_METHOD_DM_ALLOC)(
struct ib_uobject *uobj =
uverbs_attr_get(attrs, UVERBS_ATTR_ALLOC_DM_HANDLE)
->obj_attr.uobject;
- struct ib_device *ib_dev = uobj->context->device;
+ struct ib_device *ib_dev = attrs->context->device;
struct ib_dm *dm;
int ret;
if (ret)
return ret;
- dm = ib_dev->ops.alloc_dm(ib_dev, uobj->context, &attr, attrs);
+ dm = ib_dev->ops.alloc_dm(ib_dev, attrs->context, &attr, attrs);
if (IS_ERR(dm))
return PTR_ERR(dm);
* SOFTWARE.
*/
+#include "rdma_core.h"
#include "uverbs.h"
#include <rdma/uverbs_std_types.h>
static int uverbs_free_flow_action(struct ib_uobject *uobject,
- enum rdma_remove_reason why)
+ enum rdma_remove_reason why,
+ struct uverbs_attr_bundle *attrs)
{
struct ib_flow_action *action = uobject->object;
int ret;
{
struct ib_uobject *uobj = uverbs_attr_get_uobject(
attrs, UVERBS_ATTR_CREATE_FLOW_ACTION_ESP_HANDLE);
- struct ib_device *ib_dev = uobj->context->device;
+ struct ib_device *ib_dev = attrs->context->device;
int ret;
struct ib_flow_action *action;
struct ib_flow_action_esp_attr esp_attr = {};
* SOFTWARE.
*/
+#include "rdma_core.h"
#include "uverbs.h"
#include <rdma/uverbs_std_types.h>
static int uverbs_free_mr(struct ib_uobject *uobject,
- enum rdma_remove_reason why)
+ enum rdma_remove_reason why,
+ struct uverbs_attr_bundle *attrs)
{
- return ib_dereg_mr((struct ib_mr *)uobject->object);
+ return ib_dereg_mr_user((struct ib_mr *)uobject->object,
+ &attrs->driver_udata);
}
static int UVERBS_HANDLER(UVERBS_METHOD_ADVISE_MR)(
return 0;
err_dereg:
- ib_dereg_mr(mr);
+ ib_dereg_mr_user(mr, &attrs->driver_udata);
return ret;
}
return RDMA_TRANSPORT_USNIC_UDP;
if (node_type == RDMA_NODE_RNIC)
return RDMA_TRANSPORT_IWARP;
+ if (node_type == RDMA_NODE_UNSPECIFIED)
+ return RDMA_TRANSPORT_UNSPECIFIED;
return RDMA_TRANSPORT_IB;
}
pd->res.type = RDMA_RESTRACK_PD;
rdma_restrack_set_task(&pd->res, caller);
- ret = device->ops.alloc_pd(pd, NULL, NULL);
+ ret = device->ops.alloc_pd(pd, NULL);
if (ret) {
kfree(pd);
return ERR_PTR(ret);
/**
* ib_dealloc_pd - Deallocates a protection domain.
* @pd: The protection domain to deallocate.
+ * @udata: Valid user data or NULL for kernel object
*
* It is an error to call this function while any resources in the pd still
* exist. The caller is responsible to synchronously destroy them and
* guarantee no new allocations will happen.
*/
-void ib_dealloc_pd(struct ib_pd *pd)
+void ib_dealloc_pd_user(struct ib_pd *pd, struct ib_udata *udata)
{
int ret;
if (pd->__internal_mr) {
- ret = pd->device->ops.dereg_mr(pd->__internal_mr);
+ ret = pd->device->ops.dereg_mr(pd->__internal_mr, NULL);
WARN_ON(ret);
pd->__internal_mr = NULL;
}
WARN_ON(atomic_read(&pd->usecnt));
rdma_restrack_del(&pd->res);
- pd->device->ops.dealloc_pd(pd);
+ pd->device->ops.dealloc_pd(pd, udata);
kfree(pd);
}
-EXPORT_SYMBOL(ib_dealloc_pd);
+EXPORT_SYMBOL(ib_dealloc_pd_user);
/* Address handles */
u32 flags,
struct ib_udata *udata)
{
+ struct ib_device *device = pd->device;
struct ib_ah *ah;
+ int ret;
might_sleep_if(flags & RDMA_CREATE_AH_SLEEPABLE);
- if (!pd->device->ops.create_ah)
+ if (!device->ops.create_ah)
return ERR_PTR(-EOPNOTSUPP);
- ah = pd->device->ops.create_ah(pd, ah_attr, flags, udata);
+ ah = rdma_zalloc_drv_obj_gfp(
+ device, ib_ah,
+ (flags & RDMA_CREATE_AH_SLEEPABLE) ? GFP_KERNEL : GFP_ATOMIC);
+ if (!ah)
+ return ERR_PTR(-ENOMEM);
- if (!IS_ERR(ah)) {
- ah->device = pd->device;
- ah->pd = pd;
- ah->uobject = NULL;
- ah->type = ah_attr->type;
- ah->sgid_attr = rdma_update_sgid_attr(ah_attr, NULL);
+ ah->device = device;
+ ah->pd = pd;
+ ah->type = ah_attr->type;
+ ah->sgid_attr = rdma_update_sgid_attr(ah_attr, NULL);
- atomic_inc(&pd->usecnt);
+ ret = device->ops.create_ah(ah, ah_attr, flags, udata);
+ if (ret) {
+ kfree(ah);
+ return ERR_PTR(ret);
}
+ atomic_inc(&pd->usecnt);
return ah;
}
}
EXPORT_SYMBOL(rdma_query_ah);
-int rdma_destroy_ah(struct ib_ah *ah, u32 flags)
+int rdma_destroy_ah_user(struct ib_ah *ah, u32 flags, struct ib_udata *udata)
{
const struct ib_gid_attr *sgid_attr = ah->sgid_attr;
struct ib_pd *pd;
- int ret;
might_sleep_if(flags & RDMA_DESTROY_AH_SLEEPABLE);
pd = ah->pd;
- ret = ah->device->ops.destroy_ah(ah, flags);
- if (!ret) {
- atomic_dec(&pd->usecnt);
- if (sgid_attr)
- rdma_put_gid_attr(sgid_attr);
- }
- return ret;
+ ah->device->ops.destroy_ah(ah, flags);
+ atomic_dec(&pd->usecnt);
+ if (sgid_attr)
+ rdma_put_gid_attr(sgid_attr);
+
+ kfree(ah);
+ return 0;
}
-EXPORT_SYMBOL(rdma_destroy_ah);
+EXPORT_SYMBOL(rdma_destroy_ah_user);
/* Shared receive queues */
struct ib_srq_init_attr *srq_init_attr)
{
struct ib_srq *srq;
+ int ret;
if (!pd->device->ops.create_srq)
return ERR_PTR(-EOPNOTSUPP);
- srq = pd->device->ops.create_srq(pd, srq_init_attr, NULL);
-
- if (!IS_ERR(srq)) {
- srq->device = pd->device;
- srq->pd = pd;
- srq->uobject = NULL;
- srq->event_handler = srq_init_attr->event_handler;
- srq->srq_context = srq_init_attr->srq_context;
- srq->srq_type = srq_init_attr->srq_type;
- if (ib_srq_has_cq(srq->srq_type)) {
- srq->ext.cq = srq_init_attr->ext.cq;
- atomic_inc(&srq->ext.cq->usecnt);
- }
- if (srq->srq_type == IB_SRQT_XRC) {
- srq->ext.xrc.xrcd = srq_init_attr->ext.xrc.xrcd;
- atomic_inc(&srq->ext.xrc.xrcd->usecnt);
- }
- atomic_inc(&pd->usecnt);
- atomic_set(&srq->usecnt, 0);
+ srq = rdma_zalloc_drv_obj(pd->device, ib_srq);
+ if (!srq)
+ return ERR_PTR(-ENOMEM);
+
+ srq->device = pd->device;
+ srq->pd = pd;
+ srq->event_handler = srq_init_attr->event_handler;
+ srq->srq_context = srq_init_attr->srq_context;
+ srq->srq_type = srq_init_attr->srq_type;
+
+ if (ib_srq_has_cq(srq->srq_type)) {
+ srq->ext.cq = srq_init_attr->ext.cq;
+ atomic_inc(&srq->ext.cq->usecnt);
+ }
+ if (srq->srq_type == IB_SRQT_XRC) {
+ srq->ext.xrc.xrcd = srq_init_attr->ext.xrc.xrcd;
+ atomic_inc(&srq->ext.xrc.xrcd->usecnt);
+ }
+ atomic_inc(&pd->usecnt);
+
+ ret = pd->device->ops.create_srq(srq, srq_init_attr, NULL);
+ if (ret) {
+ atomic_dec(&srq->pd->usecnt);
+ if (srq->srq_type == IB_SRQT_XRC)
+ atomic_dec(&srq->ext.xrc.xrcd->usecnt);
+ if (ib_srq_has_cq(srq->srq_type))
+ atomic_dec(&srq->ext.cq->usecnt);
+ kfree(srq);
+ return ERR_PTR(ret);
}
return srq;
}
EXPORT_SYMBOL(ib_query_srq);
-int ib_destroy_srq(struct ib_srq *srq)
+int ib_destroy_srq_user(struct ib_srq *srq, struct ib_udata *udata)
{
- struct ib_pd *pd;
- enum ib_srq_type srq_type;
- struct ib_xrcd *uninitialized_var(xrcd);
- struct ib_cq *uninitialized_var(cq);
- int ret;
-
if (atomic_read(&srq->usecnt))
return -EBUSY;
- pd = srq->pd;
- srq_type = srq->srq_type;
- if (ib_srq_has_cq(srq_type))
- cq = srq->ext.cq;
- if (srq_type == IB_SRQT_XRC)
- xrcd = srq->ext.xrc.xrcd;
+ srq->device->ops.destroy_srq(srq, udata);
- ret = srq->device->ops.destroy_srq(srq);
- if (!ret) {
- atomic_dec(&pd->usecnt);
- if (srq_type == IB_SRQT_XRC)
- atomic_dec(&xrcd->usecnt);
- if (ib_srq_has_cq(srq_type))
- atomic_dec(&cq->usecnt);
- }
+ atomic_dec(&srq->pd->usecnt);
+ if (srq->srq_type == IB_SRQT_XRC)
+ atomic_dec(&srq->ext.xrc.xrcd->usecnt);
+ if (ib_srq_has_cq(srq->srq_type))
+ atomic_dec(&srq->ext.cq->usecnt);
+ kfree(srq);
- return ret;
+ return 0;
}
-EXPORT_SYMBOL(ib_destroy_srq);
+EXPORT_SYMBOL(ib_destroy_srq_user);
/* Queue pairs */
}
EXPORT_SYMBOL(ib_open_qp);
-static struct ib_qp *create_xrc_qp(struct ib_qp *qp,
- struct ib_qp_init_attr *qp_init_attr)
+static struct ib_qp *create_xrc_qp_user(struct ib_qp *qp,
+ struct ib_qp_init_attr *qp_init_attr,
+ struct ib_udata *udata)
{
struct ib_qp *real_qp = qp;
return qp;
}
-struct ib_qp *ib_create_qp(struct ib_pd *pd,
- struct ib_qp_init_attr *qp_init_attr)
+struct ib_qp *ib_create_qp_user(struct ib_pd *pd,
+ struct ib_qp_init_attr *qp_init_attr,
+ struct ib_udata *udata)
{
struct ib_device *device = pd ? pd->device : qp_init_attr->xrcd->device;
struct ib_qp *qp;
if (ret)
goto err;
- qp->real_qp = qp;
qp->qp_type = qp_init_attr->qp_type;
qp->rwq_ind_tbl = qp_init_attr->rwq_ind_tbl;
qp->port = 0;
if (qp_init_attr->qp_type == IB_QPT_XRC_TGT) {
- struct ib_qp *xrc_qp = create_xrc_qp(qp, qp_init_attr);
+ struct ib_qp *xrc_qp =
+ create_xrc_qp_user(qp, qp_init_attr, udata);
if (IS_ERR(xrc_qp)) {
ret = PTR_ERR(xrc_qp);
return ERR_PTR(ret);
}
-EXPORT_SYMBOL(ib_create_qp);
+EXPORT_SYMBOL(ib_create_qp_user);
static const struct {
int valid;
return 0;
}
-int ib_destroy_qp(struct ib_qp *qp)
+int ib_destroy_qp_user(struct ib_qp *qp, struct ib_udata *udata)
{
const struct ib_gid_attr *alt_path_sgid_attr = qp->alt_path_sgid_attr;
const struct ib_gid_attr *av_sgid_attr = qp->av_sgid_attr;
rdma_rw_cleanup_mrs(qp);
rdma_restrack_del(&qp->res);
- ret = qp->device->ops.destroy_qp(qp);
+ ret = qp->device->ops.destroy_qp(qp, udata);
if (!ret) {
if (alt_path_sgid_attr)
rdma_put_gid_attr(alt_path_sgid_attr);
return ret;
}
-EXPORT_SYMBOL(ib_destroy_qp);
+EXPORT_SYMBOL(ib_destroy_qp_user);
/* Completion queues */
{
struct ib_cq *cq;
- cq = device->ops.create_cq(device, cq_attr, NULL, NULL);
+ cq = device->ops.create_cq(device, cq_attr, NULL);
if (!IS_ERR(cq)) {
cq->device = device;
}
EXPORT_SYMBOL(rdma_set_cq_moderation);
-int ib_destroy_cq(struct ib_cq *cq)
+int ib_destroy_cq_user(struct ib_cq *cq, struct ib_udata *udata)
{
if (atomic_read(&cq->usecnt))
return -EBUSY;
rdma_restrack_del(&cq->res);
- return cq->device->ops.destroy_cq(cq);
+ return cq->device->ops.destroy_cq(cq, udata);
}
-EXPORT_SYMBOL(ib_destroy_cq);
+EXPORT_SYMBOL(ib_destroy_cq_user);
int ib_resize_cq(struct ib_cq *cq, int cqe)
{
/* Memory regions */
-int ib_dereg_mr(struct ib_mr *mr)
+int ib_dereg_mr_user(struct ib_mr *mr, struct ib_udata *udata)
{
struct ib_pd *pd = mr->pd;
struct ib_dm *dm = mr->dm;
int ret;
rdma_restrack_del(&mr->res);
- ret = mr->device->ops.dereg_mr(mr);
+ ret = mr->device->ops.dereg_mr(mr, udata);
if (!ret) {
atomic_dec(&pd->usecnt);
if (dm)
return ret;
}
-EXPORT_SYMBOL(ib_dereg_mr);
+EXPORT_SYMBOL(ib_dereg_mr_user);
/**
* ib_alloc_mr() - Allocates a memory region
* @pd: protection domain associated with the region
* @mr_type: memory region type
* @max_num_sg: maximum sg entries available for registration.
+ * @udata: user data or null for kernel objects
*
* Notes:
* Memory registeration page/sg lists must not exceed max_num_sg.
* max_num_sg * used_page_size.
*
*/
-struct ib_mr *ib_alloc_mr(struct ib_pd *pd,
- enum ib_mr_type mr_type,
- u32 max_num_sg)
+struct ib_mr *ib_alloc_mr_user(struct ib_pd *pd, enum ib_mr_type mr_type,
+ u32 max_num_sg, struct ib_udata *udata)
{
struct ib_mr *mr;
if (!pd->device->ops.alloc_mr)
return ERR_PTR(-EOPNOTSUPP);
- mr = pd->device->ops.alloc_mr(pd, mr_type, max_num_sg);
+ mr = pd->device->ops.alloc_mr(pd, mr_type, max_num_sg, udata);
if (!IS_ERR(mr)) {
mr->device = pd->device;
mr->pd = pd;
return mr;
}
-EXPORT_SYMBOL(ib_alloc_mr);
+EXPORT_SYMBOL(ib_alloc_mr_user);
/* "Fast" memory regions */
if (!device->ops.alloc_xrcd)
return ERR_PTR(-EOPNOTSUPP);
- xrcd = device->ops.alloc_xrcd(device, NULL, NULL);
+ xrcd = device->ops.alloc_xrcd(device, NULL);
if (!IS_ERR(xrcd)) {
xrcd->device = device;
xrcd->inode = NULL;
}
EXPORT_SYMBOL(__ib_alloc_xrcd);
-int ib_dealloc_xrcd(struct ib_xrcd *xrcd)
+int ib_dealloc_xrcd(struct ib_xrcd *xrcd, struct ib_udata *udata)
{
struct ib_qp *qp;
int ret;
return ret;
}
- return xrcd->device->ops.dealloc_xrcd(xrcd);
+ return xrcd->device->ops.dealloc_xrcd(xrcd, udata);
}
EXPORT_SYMBOL(ib_dealloc_xrcd);
EXPORT_SYMBOL(ib_create_wq);
/**
- * ib_destroy_wq - Destroys the specified WQ.
+ * ib_destroy_wq - Destroys the specified user WQ.
* @wq: The WQ to destroy.
+ * @udata: Valid user data
*/
-int ib_destroy_wq(struct ib_wq *wq)
+int ib_destroy_wq(struct ib_wq *wq, struct ib_udata *udata)
{
int err;
struct ib_cq *cq = wq->cq;
if (atomic_read(&wq->usecnt))
return -EBUSY;
- err = wq->device->ops.destroy_wq(wq);
+ err = wq->device->ops.destroy_wq(wq, udata);
if (!err) {
atomic_dec(&pd->usecnt);
atomic_dec(&cq->usecnt);
netdev, params.param);
}
EXPORT_SYMBOL(rdma_init_netdev);
+
+void __rdma_block_iter_start(struct ib_block_iter *biter,
+ struct scatterlist *sglist, unsigned int nents,
+ unsigned long pgsz)
+{
+ memset(biter, 0, sizeof(struct ib_block_iter));
+ biter->__sg = sglist;
+ biter->__sg_nents = nents;
+
+ /* Driver provides best block size to use */
+ biter->__pg_bit = __fls(pgsz);
+}
+EXPORT_SYMBOL(__rdma_block_iter_start);
+
+bool __rdma_block_iter_next(struct ib_block_iter *biter)
+{
+ unsigned int block_offset;
+
+ if (!biter->__sg_nents || !biter->__sg)
+ return false;
+
+ biter->__dma_addr = sg_dma_address(biter->__sg) + biter->__sg_advance;
+ block_offset = biter->__dma_addr & (BIT_ULL(biter->__pg_bit) - 1);
+ biter->__sg_advance += BIT_ULL(biter->__pg_bit) - block_offset;
+
+ if (biter->__sg_advance >= sg_dma_len(biter->__sg)) {
+ biter->__sg_advance = 0;
+ biter->__sg = sg_next(biter->__sg);
+ biter->__sg_nents--;
+ }
+
+ return true;
+}
+EXPORT_SYMBOL(__rdma_block_iter_next);
obj-$(CONFIG_INFINIBAND_QIB) += qib/
obj-$(CONFIG_INFINIBAND_CXGB3) += cxgb3/
obj-$(CONFIG_INFINIBAND_CXGB4) += cxgb4/
+obj-$(CONFIG_INFINIBAND_EFA) += efa/
obj-$(CONFIG_INFINIBAND_I40IW) += i40iw/
obj-$(CONFIG_MLX4_INFINIBAND) += mlx4/
obj-$(CONFIG_MLX5_INFINIBAND) += mlx5/
config INFINIBAND_BNXT_RE
- tristate "Broadcom Netxtreme HCA support"
- depends on 64BIT
- depends on ETHERNET && NETDEVICES && PCI && INET && DCB
- select NET_VENDOR_BROADCOM
- select BNXT
- ---help---
+ tristate "Broadcom Netxtreme HCA support"
+ depends on 64BIT
+ depends on ETHERNET && NETDEVICES && PCI && INET && DCB
+ select NET_VENDOR_BROADCOM
+ select BNXT
+ ---help---
This driver supports Broadcom NetXtreme-E 10/25/40/50 gigabit
RoCE HCAs. To compile this driver as a module, choose M here:
the module will be called bnxt_re.
}
/* Device */
-struct net_device *bnxt_re_get_netdev(struct ib_device *ibdev, u8 port_num)
-{
- struct bnxt_re_dev *rdev = to_bnxt_re_dev(ibdev, ibdev);
- struct net_device *netdev = NULL;
-
- rcu_read_lock();
- if (rdev)
- netdev = rdev->netdev;
- if (netdev)
- dev_hold(netdev);
-
- rcu_read_unlock();
- return netdev;
-}
-
int bnxt_re_query_device(struct ib_device *ibdev,
struct ib_device_attr *ib_attr,
struct ib_udata *udata)
struct bnxt_re_dev *rdev = to_bnxt_re_dev(attr->device, ibdev);
struct bnxt_qplib_sgid_tbl *sgid_tbl = &rdev->qplib_res.sgid_tbl;
- if ((attr->ndev) && is_vlan_dev(attr->ndev))
- vlan_id = vlan_dev_vlan_id(attr->ndev);
+ rc = rdma_read_gid_l2_fields(attr, &vlan_id, NULL);
+ if (rc)
+ return rc;
rc = bnxt_qplib_add_sgid(sgid_tbl, (struct bnxt_qplib_gid *)&attr->gid,
rdev->qplib_res.netdev->dev_addr,
}
/* Protection Domains */
-void bnxt_re_dealloc_pd(struct ib_pd *ib_pd)
+void bnxt_re_dealloc_pd(struct ib_pd *ib_pd, struct ib_udata *udata)
{
struct bnxt_re_pd *pd = container_of(ib_pd, struct bnxt_re_pd, ib_pd);
struct bnxt_re_dev *rdev = pd->rdev;
&pd->qplib_pd);
}
-int bnxt_re_alloc_pd(struct ib_pd *ibpd, struct ib_ucontext *ucontext,
- struct ib_udata *udata)
+int bnxt_re_alloc_pd(struct ib_pd *ibpd, struct ib_udata *udata)
{
struct ib_device *ibdev = ibpd->device;
struct bnxt_re_dev *rdev = to_bnxt_re_dev(ibdev, ibdev);
- struct bnxt_re_ucontext *ucntx = container_of(ucontext,
- struct bnxt_re_ucontext,
- ib_uctx);
+ struct bnxt_re_ucontext *ucntx = rdma_udata_to_drv_context(
+ udata, struct bnxt_re_ucontext, ib_uctx);
struct bnxt_re_pd *pd = container_of(ibpd, struct bnxt_re_pd, ib_pd);
int rc;
}
/* Address Handles */
-int bnxt_re_destroy_ah(struct ib_ah *ib_ah, u32 flags)
+void bnxt_re_destroy_ah(struct ib_ah *ib_ah, u32 flags)
{
struct bnxt_re_ah *ah = container_of(ib_ah, struct bnxt_re_ah, ib_ah);
struct bnxt_re_dev *rdev = ah->rdev;
- int rc;
- rc = bnxt_qplib_destroy_ah(&rdev->qplib_res, &ah->qplib_ah,
- !(flags & RDMA_DESTROY_AH_SLEEPABLE));
- if (rc) {
- dev_err(rdev_to_dev(rdev), "Failed to destroy HW AH");
- return rc;
- }
- kfree(ah);
- return 0;
+ bnxt_qplib_destroy_ah(&rdev->qplib_res, &ah->qplib_ah,
+ !(flags & RDMA_DESTROY_AH_SLEEPABLE));
}
static u8 bnxt_re_stack_to_dev_nw_type(enum rdma_network_type ntype)
return nw_type;
}
-struct ib_ah *bnxt_re_create_ah(struct ib_pd *ib_pd,
- struct rdma_ah_attr *ah_attr,
- u32 flags,
- struct ib_udata *udata)
+int bnxt_re_create_ah(struct ib_ah *ib_ah, struct rdma_ah_attr *ah_attr,
+ u32 flags, struct ib_udata *udata)
{
+ struct ib_pd *ib_pd = ib_ah->pd;
struct bnxt_re_pd *pd = container_of(ib_pd, struct bnxt_re_pd, ib_pd);
const struct ib_global_route *grh = rdma_ah_read_grh(ah_attr);
struct bnxt_re_dev *rdev = pd->rdev;
const struct ib_gid_attr *sgid_attr;
- struct bnxt_re_ah *ah;
+ struct bnxt_re_ah *ah = container_of(ib_ah, struct bnxt_re_ah, ib_ah);
u8 nw_type;
int rc;
if (!(rdma_ah_get_ah_flags(ah_attr) & IB_AH_GRH)) {
dev_err(rdev_to_dev(rdev), "Failed to alloc AH: GRH not set");
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
}
- ah = kzalloc(sizeof(*ah), GFP_ATOMIC);
- if (!ah)
- return ERR_PTR(-ENOMEM);
ah->rdev = rdev;
ah->qplib_ah.pd = &pd->qplib_pd;
!(flags & RDMA_CREATE_AH_SLEEPABLE));
if (rc) {
dev_err(rdev_to_dev(rdev), "Failed to allocate HW AH");
- goto fail;
+ return rc;
}
/* Write AVID to shared page. */
spin_unlock_irqrestore(&uctx->sh_lock, flag);
}
- return &ah->ib_ah;
-
-fail:
- kfree(ah);
- return ERR_PTR(rc);
+ return 0;
}
int bnxt_re_modify_ah(struct ib_ah *ib_ah, struct rdma_ah_attr *ah_attr)
}
/* Queue Pairs */
-int bnxt_re_destroy_qp(struct ib_qp *ib_qp)
+int bnxt_re_destroy_qp(struct ib_qp *ib_qp, struct ib_udata *udata)
{
struct bnxt_re_qp *qp = container_of(ib_qp, struct bnxt_re_qp, ib_qp);
struct bnxt_re_dev *rdev = qp->rdev;
bnxt_qplib_free_qp_res(&rdev->qplib_res, &qp->qplib_qp);
if (ib_qp->qp_type == IB_QPT_GSI && rdev->qp1_sqp) {
- rc = bnxt_qplib_destroy_ah(&rdev->qplib_res,
- &rdev->sqp_ah->qplib_ah, false);
- if (rc) {
- dev_err(rdev_to_dev(rdev),
- "Failed to destroy HW AH for shadow QP");
- return rc;
- }
+ bnxt_qplib_destroy_ah(&rdev->qplib_res, &rdev->sqp_ah->qplib_ah,
+ false);
bnxt_qplib_clean_qp(&qp->qplib_qp);
rc = bnxt_qplib_destroy_qp(&rdev->qplib_res,
return PTR_ERR(umem);
qp->sumem = umem;
- qplib_qp->sq.sglist = umem->sg_head.sgl;
- qplib_qp->sq.nmap = umem->nmap;
+ qplib_qp->sq.sg_info.sglist = umem->sg_head.sgl;
+ qplib_qp->sq.sg_info.npages = ib_umem_num_pages(umem);
+ qplib_qp->sq.sg_info.nmap = umem->nmap;
qplib_qp->qp_handle = ureq.qp_handle;
if (!qp->qplib_qp.srq) {
if (IS_ERR(umem))
goto rqfail;
qp->rumem = umem;
- qplib_qp->rq.sglist = umem->sg_head.sgl;
- qplib_qp->rq.nmap = umem->nmap;
+ qplib_qp->rq.sg_info.sglist = umem->sg_head.sgl;
+ qplib_qp->rq.sg_info.npages = ib_umem_num_pages(umem);
+ qplib_qp->rq.sg_info.nmap = umem->nmap;
}
qplib_qp->dpi = &cntx->dpi;
rqfail:
ib_umem_release(qp->sumem);
qp->sumem = NULL;
- qplib_qp->sq.sglist = NULL;
- qplib_qp->sq.nmap = 0;
+ memset(&qplib_qp->sq.sg_info, 0, sizeof(qplib_qp->sq.sg_info));
return PTR_ERR(umem);
}
}
/* Shared Receive Queues */
-int bnxt_re_destroy_srq(struct ib_srq *ib_srq)
+void bnxt_re_destroy_srq(struct ib_srq *ib_srq, struct ib_udata *udata)
{
struct bnxt_re_srq *srq = container_of(ib_srq, struct bnxt_re_srq,
ib_srq);
struct bnxt_re_dev *rdev = srq->rdev;
struct bnxt_qplib_srq *qplib_srq = &srq->qplib_srq;
struct bnxt_qplib_nq *nq = NULL;
- int rc;
if (qplib_srq->cq)
nq = qplib_srq->cq->nq;
- rc = bnxt_qplib_destroy_srq(&rdev->qplib_res, qplib_srq);
- if (rc) {
- dev_err(rdev_to_dev(rdev), "Destroy HW SRQ failed!");
- return rc;
- }
-
+ bnxt_qplib_destroy_srq(&rdev->qplib_res, qplib_srq);
if (srq->umem)
ib_umem_release(srq->umem);
- kfree(srq);
atomic_dec(&rdev->srq_count);
if (nq)
nq->budget--;
- return 0;
}
static int bnxt_re_init_user_srq(struct bnxt_re_dev *rdev,
return PTR_ERR(umem);
srq->umem = umem;
- qplib_srq->nmap = umem->nmap;
- qplib_srq->sglist = umem->sg_head.sgl;
+ qplib_srq->sg_info.sglist = umem->sg_head.sgl;
+ qplib_srq->sg_info.npages = ib_umem_num_pages(umem);
+ qplib_srq->sg_info.nmap = umem->nmap;
qplib_srq->srq_handle = ureq.srq_handle;
qplib_srq->dpi = &cntx->dpi;
return 0;
}
-struct ib_srq *bnxt_re_create_srq(struct ib_pd *ib_pd,
- struct ib_srq_init_attr *srq_init_attr,
- struct ib_udata *udata)
+int bnxt_re_create_srq(struct ib_srq *ib_srq,
+ struct ib_srq_init_attr *srq_init_attr,
+ struct ib_udata *udata)
{
+ struct ib_pd *ib_pd = ib_srq->pd;
struct bnxt_re_pd *pd = container_of(ib_pd, struct bnxt_re_pd, ib_pd);
struct bnxt_re_dev *rdev = pd->rdev;
struct bnxt_qplib_dev_attr *dev_attr = &rdev->dev_attr;
- struct bnxt_re_srq *srq;
+ struct bnxt_re_srq *srq =
+ container_of(ib_srq, struct bnxt_re_srq, ib_srq);
struct bnxt_qplib_nq *nq = NULL;
int rc, entries;
goto exit;
}
- srq = kzalloc(sizeof(*srq), GFP_KERNEL);
- if (!srq) {
- rc = -ENOMEM;
- goto exit;
- }
srq->rdev = rdev;
srq->qplib_srq.pd = &pd->qplib_pd;
srq->qplib_srq.dpi = &rdev->dpi_privileged;
nq->budget++;
atomic_inc(&rdev->srq_count);
- return &srq->ib_srq;
+ return 0;
fail:
if (srq->umem)
ib_umem_release(srq->umem);
- kfree(srq);
exit:
- return ERR_PTR(rc);
+ return rc;
}
int bnxt_re_modify_srq(struct ib_srq *ib_srq, struct ib_srq_attr *srq_attr,
qp_attr->ah_attr.roce.dmac);
sgid_attr = qp_attr->ah_attr.grh.sgid_attr;
- memcpy(qp->qplib_qp.smac, sgid_attr->ndev->dev_addr,
- ETH_ALEN);
+ rc = rdma_read_gid_l2_fields(sgid_attr, NULL,
+ &qp->qplib_qp.smac[0]);
+ if (rc)
+ return rc;
+
nw_type = rdma_gid_attr_network_type(sgid_attr);
switch (nw_type) {
case RDMA_NETWORK_IPV4:
memset(&qp->qp1_hdr, 0, sizeof(qp->qp1_hdr));
- if (is_vlan_dev(sgid_attr->ndev))
- vlan_id = vlan_dev_vlan_id(sgid_attr->ndev);
+ rc = rdma_read_gid_l2_fields(sgid_attr, &vlan_id, NULL);
+ if (rc)
+ return rc;
+
/* Get network header type for this GID */
nw_type = rdma_gid_attr_network_type(sgid_attr);
switch (nw_type) {
}
/* Completion Queues */
-int bnxt_re_destroy_cq(struct ib_cq *ib_cq)
+int bnxt_re_destroy_cq(struct ib_cq *ib_cq, struct ib_udata *udata)
{
int rc;
struct bnxt_re_cq *cq;
struct ib_cq *bnxt_re_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,
- struct ib_ucontext *context,
struct ib_udata *udata)
{
struct bnxt_re_dev *rdev = to_bnxt_re_dev(ibdev, ibdev);
if (entries > dev_attr->max_cq_wqes + 1)
entries = dev_attr->max_cq_wqes + 1;
- if (context) {
+ if (udata) {
struct bnxt_re_cq_req req;
- struct bnxt_re_ucontext *uctx = container_of
- (context,
- struct bnxt_re_ucontext,
- ib_uctx);
+ struct bnxt_re_ucontext *uctx = rdma_udata_to_drv_context(
+ udata, struct bnxt_re_ucontext, ib_uctx);
if (ib_copy_from_udata(&req, udata, sizeof(req))) {
rc = -EFAULT;
goto fail;
rc = PTR_ERR(cq->umem);
goto fail;
}
- cq->qplib_cq.sghead = cq->umem->sg_head.sgl;
- cq->qplib_cq.nmap = cq->umem->nmap;
+ cq->qplib_cq.sg_info.sglist = cq->umem->sg_head.sgl;
+ cq->qplib_cq.sg_info.npages = ib_umem_num_pages(cq->umem);
+ cq->qplib_cq.sg_info.nmap = cq->umem->nmap;
cq->qplib_cq.dpi = &uctx->dpi;
} else {
cq->max_cql = min_t(u32, entries, MAX_CQL_PER_POLL);
}
cq->qplib_cq.dpi = &rdev->dpi_privileged;
- cq->qplib_cq.sghead = NULL;
- cq->qplib_cq.nmap = 0;
}
/*
* Allocating the NQ in a round robin fashion. nq_alloc_cnt is a
atomic_inc(&rdev->cq_count);
spin_lock_init(&cq->cq_lock);
- if (context) {
+ if (udata) {
struct bnxt_re_cq_resp resp;
resp.cqid = cq->qplib_cq.id;
return &cq->ib_cq;
c2fail:
- if (context)
+ if (udata)
ib_umem_release(cq->umem);
fail:
kfree(cq->cql);
return ERR_PTR(rc);
}
-int bnxt_re_dereg_mr(struct ib_mr *ib_mr)
+int bnxt_re_dereg_mr(struct ib_mr *ib_mr, struct ib_udata *udata)
{
struct bnxt_re_mr *mr = container_of(ib_mr, struct bnxt_re_mr, ib_mr);
struct bnxt_re_dev *rdev = mr->rdev;
}
struct ib_mr *bnxt_re_alloc_mr(struct ib_pd *ib_pd, enum ib_mr_type type,
- u32 max_num_sg)
+ u32 max_num_sg, struct ib_udata *udata)
{
struct bnxt_re_pd *pd = container_of(ib_pd, struct bnxt_re_pd, ib_pd);
struct bnxt_re_dev *rdev = pd->rdev;
int page_shift)
{
u64 *pbl_tbl = pbl_tbl_orig;
- u64 paddr;
- u64 page_mask = (1ULL << page_shift) - 1;
- struct sg_dma_page_iter sg_iter;
+ u64 page_size = BIT_ULL(page_shift);
+ struct ib_block_iter biter;
+
+ rdma_for_each_block(umem->sg_head.sgl, &biter, umem->nmap, page_size)
+ *pbl_tbl++ = rdma_block_iter_dma_address(&biter);
- for_each_sg_dma_page (umem->sg_head.sgl, &sg_iter, umem->nmap, 0) {
- paddr = sg_page_iter_dma_address(&sg_iter);
- if (pbl_tbl == pbl_tbl_orig)
- *pbl_tbl++ = paddr & ~page_mask;
- else if ((paddr & page_mask) == 0)
- *pbl_tbl++ = paddr;
- }
return pbl_tbl - pbl_tbl_orig;
}
goto free_umem;
}
- page_shift = PAGE_SHIFT;
+ page_shift = __ffs(ib_umem_find_best_pgsz(umem,
+ BNXT_RE_PAGE_SIZE_4K | BNXT_RE_PAGE_SIZE_2M,
+ virt_addr));
if (!bnxt_re_page_size_ok(page_shift)) {
dev_err(rdev_to_dev(rdev), "umem page size unsupported!");
goto fail;
}
- if (!umem->hugetlb && length > BNXT_RE_MAX_MR_SIZE_LOW) {
+ if (page_shift == BNXT_RE_PAGE_SHIFT_4K &&
+ length > BNXT_RE_MAX_MR_SIZE_LOW) {
dev_err(rdev_to_dev(rdev), "Requested MR Sz:%llu Max sup:%llu",
length, (u64)BNXT_RE_MAX_MR_SIZE_LOW);
rc = -EINVAL;
goto fail;
}
- if (umem->hugetlb && length > BNXT_RE_PAGE_SIZE_2M) {
- page_shift = BNXT_RE_PAGE_SHIFT_2M;
- dev_warn(rdev_to_dev(rdev), "umem hugetlb set page_size %x",
- 1 << page_shift);
- }
/* Map umem buf ptrs to the PBL */
umem_pgs = fill_umem_pbl_tbl(umem, pbl_tbl, page_shift);
resp.chip_id0 = chip_met_rev_num;
/* Future extension of chip info */
resp.chip_id1 = 0;
- /*Temp, Use idr_alloc instead */
+ /*Temp, Use xa_alloc instead */
resp.dev_id = rdev->en_dev->pdev->devfn;
resp.max_qp = rdev->qplib_ctx.qpc_count;
resp.pg_size = PAGE_SIZE;
};
struct bnxt_re_ah {
- struct bnxt_re_dev *rdev;
struct ib_ah ib_ah;
+ struct bnxt_re_dev *rdev;
struct bnxt_qplib_ah qplib_ah;
};
struct bnxt_re_srq {
+ struct ib_srq ib_srq;
struct bnxt_re_dev *rdev;
u32 srq_limit;
- struct ib_srq ib_srq;
struct bnxt_qplib_srq qplib_srq;
struct ib_umem *umem;
spinlock_t lock; /* protect srq */
spinlock_t sh_lock; /* protect shpg */
};
-struct net_device *bnxt_re_get_netdev(struct ib_device *ibdev, u8 port_num);
-
int bnxt_re_query_device(struct ib_device *ibdev,
struct ib_device_attr *ib_attr,
struct ib_udata *udata);
int index, union ib_gid *gid);
enum rdma_link_layer bnxt_re_get_link_layer(struct ib_device *ibdev,
u8 port_num);
-int bnxt_re_alloc_pd(struct ib_pd *pd, struct ib_ucontext *context,
- struct ib_udata *udata);
-void bnxt_re_dealloc_pd(struct ib_pd *pd);
-struct ib_ah *bnxt_re_create_ah(struct ib_pd *pd,
- struct rdma_ah_attr *ah_attr,
- u32 flags,
- struct ib_udata *udata);
+int bnxt_re_alloc_pd(struct ib_pd *pd, struct ib_udata *udata);
+void bnxt_re_dealloc_pd(struct ib_pd *pd, struct ib_udata *udata);
+int bnxt_re_create_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr, u32 flags,
+ struct ib_udata *udata);
int bnxt_re_modify_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr);
int bnxt_re_query_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr);
-int bnxt_re_destroy_ah(struct ib_ah *ah, u32 flags);
-struct ib_srq *bnxt_re_create_srq(struct ib_pd *pd,
- struct ib_srq_init_attr *srq_init_attr,
- struct ib_udata *udata);
+void bnxt_re_destroy_ah(struct ib_ah *ah, u32 flags);
+int bnxt_re_create_srq(struct ib_srq *srq,
+ struct ib_srq_init_attr *srq_init_attr,
+ struct ib_udata *udata);
int bnxt_re_modify_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr,
enum ib_srq_attr_mask srq_attr_mask,
struct ib_udata *udata);
int bnxt_re_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
-int bnxt_re_destroy_srq(struct ib_srq *srq);
+void bnxt_re_destroy_srq(struct ib_srq *srq, struct ib_udata *udata);
int bnxt_re_post_srq_recv(struct ib_srq *srq, const struct ib_recv_wr *recv_wr,
const struct ib_recv_wr **bad_recv_wr);
struct ib_qp *bnxt_re_create_qp(struct ib_pd *pd,
int qp_attr_mask, struct ib_udata *udata);
int bnxt_re_query_qp(struct ib_qp *qp, struct ib_qp_attr *qp_attr,
int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr);
-int bnxt_re_destroy_qp(struct ib_qp *qp);
+int bnxt_re_destroy_qp(struct ib_qp *qp, struct ib_udata *udata);
int bnxt_re_post_send(struct ib_qp *qp, const struct ib_send_wr *send_wr,
const struct ib_send_wr **bad_send_wr);
int bnxt_re_post_recv(struct ib_qp *qp, const struct ib_recv_wr *recv_wr,
const struct ib_recv_wr **bad_recv_wr);
struct ib_cq *bnxt_re_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,
- struct ib_ucontext *context,
struct ib_udata *udata);
-int bnxt_re_destroy_cq(struct ib_cq *cq);
+int bnxt_re_destroy_cq(struct ib_cq *cq, struct ib_udata *udata);
int bnxt_re_poll_cq(struct ib_cq *cq, int num_entries, struct ib_wc *wc);
int bnxt_re_req_notify_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
struct ib_mr *bnxt_re_get_dma_mr(struct ib_pd *pd, int mr_access_flags);
int bnxt_re_map_mr_sg(struct ib_mr *ib_mr, struct scatterlist *sg, int sg_nents,
unsigned int *sg_offset);
struct ib_mr *bnxt_re_alloc_mr(struct ib_pd *ib_pd, enum ib_mr_type mr_type,
- u32 max_num_sg);
-int bnxt_re_dereg_mr(struct ib_mr *mr);
+ u32 max_num_sg, struct ib_udata *udata);
+int bnxt_re_dereg_mr(struct ib_mr *mr, struct ib_udata *udata);
struct ib_mw *bnxt_re_alloc_mw(struct ib_pd *ib_pd, enum ib_mw_type type,
struct ib_udata *udata);
int bnxt_re_dealloc_mw(struct ib_mw *mw);
.get_dma_mr = bnxt_re_get_dma_mr,
.get_hw_stats = bnxt_re_ib_get_hw_stats,
.get_link_layer = bnxt_re_get_link_layer,
- .get_netdev = bnxt_re_get_netdev,
.get_port_immutable = bnxt_re_get_port_immutable,
.map_mr_sg = bnxt_re_map_mr_sg,
.mmap = bnxt_re_mmap,
.query_srq = bnxt_re_query_srq,
.reg_user_mr = bnxt_re_reg_user_mr,
.req_notify_cq = bnxt_re_req_notify_cq,
+ INIT_RDMA_OBJ_SIZE(ib_ah, bnxt_re_ah, ib_ah),
INIT_RDMA_OBJ_SIZE(ib_pd, bnxt_re_pd, ib_pd),
+ INIT_RDMA_OBJ_SIZE(ib_srq, bnxt_re_srq, ib_srq),
INIT_RDMA_OBJ_SIZE(ib_ucontext, bnxt_re_ucontext, ib_uctx),
};
static int bnxt_re_register_ib(struct bnxt_re_dev *rdev)
{
struct ib_device *ibdev = &rdev->ibdev;
+ int ret;
/* ib device init */
ibdev->owner = THIS_MODULE;
rdma_set_device_sysfs_group(ibdev, &bnxt_re_dev_attr_group);
ibdev->driver_id = RDMA_DRIVER_BNXT_RE;
ib_set_device_ops(ibdev, &bnxt_re_dev_ops);
+ ret = ib_device_set_netdev(&rdev->ibdev, rdev->netdev, 1);
+ if (ret)
+ return ret;
+
return ib_register_device(ibdev, "bnxt_re%d");
}
nq->hwq.max_elements > BNXT_QPLIB_NQE_MAX_CNT)
nq->hwq.max_elements = BNXT_QPLIB_NQE_MAX_CNT;
hwq_type = bnxt_qplib_get_hwq_type(nq->res);
- if (bnxt_qplib_alloc_init_hwq(nq->pdev, &nq->hwq, NULL, 0,
+ if (bnxt_qplib_alloc_init_hwq(nq->pdev, &nq->hwq, NULL,
&nq->hwq.max_elements,
BNXT_QPLIB_MAX_NQE_ENTRY_SIZE, 0,
PAGE_SIZE, hwq_type))
writeq(val, db);
}
-int bnxt_qplib_destroy_srq(struct bnxt_qplib_res *res,
+void bnxt_qplib_destroy_srq(struct bnxt_qplib_res *res,
struct bnxt_qplib_srq *srq)
{
struct bnxt_qplib_rcfw *rcfw = res->rcfw;
/* Configure the request */
req.srq_cid = cpu_to_le32(srq->id);
- rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
- (void *)&resp, NULL, 0);
+ rc = bnxt_qplib_rcfw_send_message(rcfw, (struct cmdq_base *)&req,
+ (struct creq_base *)&resp, NULL, 0);
+ kfree(srq->swq);
if (rc)
- return rc;
-
+ return;
bnxt_qplib_free_hwq(res->pdev, &srq->hwq);
- kfree(srq->swq);
- return 0;
}
int bnxt_qplib_create_srq(struct bnxt_qplib_res *res,
int rc, idx;
srq->hwq.max_elements = srq->max_wqe;
- rc = bnxt_qplib_alloc_init_hwq(res->pdev, &srq->hwq, srq->sglist,
- srq->nmap, &srq->hwq.max_elements,
+ rc = bnxt_qplib_alloc_init_hwq(res->pdev, &srq->hwq, &srq->sg_info,
+ &srq->hwq.max_elements,
BNXT_QPLIB_MAX_RQE_ENTRY_SIZE, 0,
PAGE_SIZE, HWQ_TYPE_QUEUE);
if (rc)
/* SQ */
sq->hwq.max_elements = sq->max_wqe;
- rc = bnxt_qplib_alloc_init_hwq(res->pdev, &sq->hwq, NULL, 0,
+ rc = bnxt_qplib_alloc_init_hwq(res->pdev, &sq->hwq, NULL,
&sq->hwq.max_elements,
BNXT_QPLIB_MAX_SQE_ENTRY_SIZE, 0,
PAGE_SIZE, HWQ_TYPE_QUEUE);
/* RQ */
if (rq->max_wqe) {
rq->hwq.max_elements = qp->rq.max_wqe;
- rc = bnxt_qplib_alloc_init_hwq(res->pdev, &rq->hwq, NULL, 0,
+ rc = bnxt_qplib_alloc_init_hwq(res->pdev, &rq->hwq, NULL,
&rq->hwq.max_elements,
BNXT_QPLIB_MAX_RQE_ENTRY_SIZE, 0,
PAGE_SIZE, HWQ_TYPE_QUEUE);
sizeof(struct sq_psn_search);
}
sq->hwq.max_elements = sq->max_wqe;
- rc = bnxt_qplib_alloc_init_hwq(res->pdev, &sq->hwq, sq->sglist,
- sq->nmap, &sq->hwq.max_elements,
+ rc = bnxt_qplib_alloc_init_hwq(res->pdev, &sq->hwq, &sq->sg_info,
+ &sq->hwq.max_elements,
BNXT_QPLIB_MAX_SQE_ENTRY_SIZE,
psn_sz,
PAGE_SIZE, HWQ_TYPE_QUEUE);
/* RQ */
if (rq->max_wqe) {
rq->hwq.max_elements = rq->max_wqe;
- rc = bnxt_qplib_alloc_init_hwq(res->pdev, &rq->hwq, rq->sglist,
- rq->nmap, &rq->hwq.max_elements,
+ rc = bnxt_qplib_alloc_init_hwq(res->pdev, &rq->hwq,
+ &rq->sg_info,
+ &rq->hwq.max_elements,
BNXT_QPLIB_MAX_RQE_ENTRY_SIZE, 0,
PAGE_SIZE, HWQ_TYPE_QUEUE);
if (rc)
req_size = xrrq->max_elements *
BNXT_QPLIB_MAX_ORRQE_ENTRY_SIZE + PAGE_SIZE - 1;
req_size &= ~(PAGE_SIZE - 1);
- rc = bnxt_qplib_alloc_init_hwq(res->pdev, xrrq, NULL, 0,
+ rc = bnxt_qplib_alloc_init_hwq(res->pdev, xrrq, NULL,
&xrrq->max_elements,
BNXT_QPLIB_MAX_ORRQE_ENTRY_SIZE,
0, req_size, HWQ_TYPE_CTX);
BNXT_QPLIB_MAX_IRRQE_ENTRY_SIZE + PAGE_SIZE - 1;
req_size &= ~(PAGE_SIZE - 1);
- rc = bnxt_qplib_alloc_init_hwq(res->pdev, xrrq, NULL, 0,
+ rc = bnxt_qplib_alloc_init_hwq(res->pdev, xrrq, NULL,
&xrrq->max_elements,
BNXT_QPLIB_MAX_IRRQE_ENTRY_SIZE,
0, req_size, HWQ_TYPE_CTX);
int rc;
cq->hwq.max_elements = cq->max_wqe;
- rc = bnxt_qplib_alloc_init_hwq(res->pdev, &cq->hwq, cq->sghead,
- cq->nmap, &cq->hwq.max_elements,
+ rc = bnxt_qplib_alloc_init_hwq(res->pdev, &cq->hwq, &cq->sg_info,
+ &cq->hwq.max_elements,
BNXT_QPLIB_MAX_CQE_ENTRY_SIZE, 0,
PAGE_SIZE, HWQ_TYPE_QUEUE);
if (rc)
struct bnxt_qplib_cq *cq;
struct bnxt_qplib_hwq hwq;
struct bnxt_qplib_swq *swq;
- struct scatterlist *sglist;
int start_idx;
int last_idx;
- u32 nmap;
+ struct bnxt_qplib_sg_info sg_info;
u16 eventq_hw_ring_id;
spinlock_t lock; /* protect SRQE link list */
};
struct bnxt_qplib_q {
struct bnxt_qplib_hwq hwq;
struct bnxt_qplib_swq *swq;
- struct scatterlist *sglist;
- u32 nmap;
+ struct bnxt_qplib_sg_info sg_info;
u32 max_wqe;
u16 q_full_delta;
u16 max_sge;
u32 cnq_hw_ring_id;
struct bnxt_qplib_nq *nq;
bool resize_in_progress;
- struct scatterlist *sghead;
- u32 nmap;
+ struct bnxt_qplib_sg_info sg_info;
u64 cq_handle;
#define CQ_RESIZE_WAIT_TIME_MS 500
struct bnxt_qplib_srq *srq);
int bnxt_qplib_query_srq(struct bnxt_qplib_res *res,
struct bnxt_qplib_srq *srq);
-int bnxt_qplib_destroy_srq(struct bnxt_qplib_res *res,
- struct bnxt_qplib_srq *srq);
+void bnxt_qplib_destroy_srq(struct bnxt_qplib_res *res,
+ struct bnxt_qplib_srq *srq);
int bnxt_qplib_post_srq_recv(struct bnxt_qplib_srq *srq,
struct bnxt_qplib_swqe *wqe);
int bnxt_qplib_create_qp1(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp);
rcfw->pdev = pdev;
rcfw->creq.max_elements = BNXT_QPLIB_CREQE_MAX_CNT;
hwq_type = bnxt_qplib_get_hwq_type(rcfw->res);
- if (bnxt_qplib_alloc_init_hwq(rcfw->pdev, &rcfw->creq, NULL, 0,
+ if (bnxt_qplib_alloc_init_hwq(rcfw->pdev, &rcfw->creq, NULL,
&rcfw->creq.max_elements,
BNXT_QPLIB_CREQE_UNITS,
0, PAGE_SIZE, hwq_type)) {
rcfw->cmdq.max_elements = rcfw->cmdq_depth;
if (bnxt_qplib_alloc_init_hwq
- (rcfw->pdev, &rcfw->cmdq, NULL, 0,
+ (rcfw->pdev, &rcfw->cmdq, NULL,
&rcfw->cmdq.max_elements,
BNXT_QPLIB_CMDQE_UNITS, 0,
bnxt_qplib_cmdqe_page_size(rcfw->cmdq_depth),
}
static int __alloc_pbl(struct pci_dev *pdev, struct bnxt_qplib_pbl *pbl,
- struct scatterlist *sghead, u32 pages, u32 pg_size)
+ struct scatterlist *sghead, u32 pages,
+ u32 nmaps, u32 pg_size)
{
struct sg_dma_page_iter sg_iter;
bool is_umem = false;
} else {
i = 0;
is_umem = true;
- for_each_sg_dma_page (sghead, &sg_iter, pages, 0) {
+ for_each_sg_dma_page(sghead, &sg_iter, nmaps, 0) {
pbl->pg_map_arr[i] = sg_page_iter_dma_address(&sg_iter);
pbl->pg_arr[i] = NULL;
pbl->pg_count++;
/* All HWQs are power of 2 in size */
int bnxt_qplib_alloc_init_hwq(struct pci_dev *pdev, struct bnxt_qplib_hwq *hwq,
- struct scatterlist *sghead, int nmap,
+ struct bnxt_qplib_sg_info *sg_info,
u32 *elements, u32 element_size, u32 aux,
u32 pg_size, enum bnxt_qplib_hwq_type hwq_type)
{
- u32 pages, slots, size, aux_pages = 0, aux_size = 0;
+ u32 pages, maps, slots, size, aux_pages = 0, aux_size = 0;
dma_addr_t *src_phys_ptr, **dst_virt_ptr;
+ struct scatterlist *sghead = NULL;
int i, rc;
hwq->level = PBL_LVL_MAX;
}
size = roundup_pow_of_two(element_size);
+ if (sg_info)
+ sghead = sg_info->sglist;
+
if (!sghead) {
hwq->is_user = false;
pages = (slots * size) / pg_size + aux_pages;
pages++;
if (!pages)
return -EINVAL;
+ maps = 0;
} else {
hwq->is_user = true;
- pages = nmap;
+ pages = sg_info->npages;
+ maps = sg_info->nmap;
}
/* Alloc the 1st memory block; can be a PDL/PTL/PBL */
if (sghead && (pages == MAX_PBL_LVL_0_PGS))
rc = __alloc_pbl(pdev, &hwq->pbl[PBL_LVL_0], sghead,
- pages, pg_size);
+ pages, maps, pg_size);
else
- rc = __alloc_pbl(pdev, &hwq->pbl[PBL_LVL_0], NULL, 1, pg_size);
+ rc = __alloc_pbl(pdev, &hwq->pbl[PBL_LVL_0], NULL,
+ 1, 0, pg_size);
if (rc)
goto fail;
if (pages > MAX_PBL_LVL_1_PGS) {
/* 2 levels of indirection */
rc = __alloc_pbl(pdev, &hwq->pbl[PBL_LVL_1], NULL,
- MAX_PBL_LVL_1_PGS_FOR_LVL_2, pg_size);
+ MAX_PBL_LVL_1_PGS_FOR_LVL_2,
+ 0, pg_size);
if (rc)
goto fail;
/* Fill in lvl0 PBL */
hwq->level = PBL_LVL_1;
rc = __alloc_pbl(pdev, &hwq->pbl[PBL_LVL_2], sghead,
- pages, pg_size);
+ pages, maps, pg_size);
if (rc)
goto fail;
/* 1 level of indirection */
rc = __alloc_pbl(pdev, &hwq->pbl[PBL_LVL_1], sghead,
- pages, pg_size);
+ pages, maps, pg_size);
if (rc)
goto fail;
/* Fill in lvl0 PBL */
/* QPC Tables */
ctx->qpc_tbl.max_elements = ctx->qpc_count;
- rc = bnxt_qplib_alloc_init_hwq(pdev, &ctx->qpc_tbl, NULL, 0,
+ rc = bnxt_qplib_alloc_init_hwq(pdev, &ctx->qpc_tbl, NULL,
&ctx->qpc_tbl.max_elements,
BNXT_QPLIB_MAX_QP_CTX_ENTRY_SIZE, 0,
PAGE_SIZE, HWQ_TYPE_CTX);
/* MRW Tables */
ctx->mrw_tbl.max_elements = ctx->mrw_count;
- rc = bnxt_qplib_alloc_init_hwq(pdev, &ctx->mrw_tbl, NULL, 0,
+ rc = bnxt_qplib_alloc_init_hwq(pdev, &ctx->mrw_tbl, NULL,
&ctx->mrw_tbl.max_elements,
BNXT_QPLIB_MAX_MRW_CTX_ENTRY_SIZE, 0,
PAGE_SIZE, HWQ_TYPE_CTX);
/* SRQ Tables */
ctx->srqc_tbl.max_elements = ctx->srqc_count;
- rc = bnxt_qplib_alloc_init_hwq(pdev, &ctx->srqc_tbl, NULL, 0,
+ rc = bnxt_qplib_alloc_init_hwq(pdev, &ctx->srqc_tbl, NULL,
&ctx->srqc_tbl.max_elements,
BNXT_QPLIB_MAX_SRQ_CTX_ENTRY_SIZE, 0,
PAGE_SIZE, HWQ_TYPE_CTX);
/* CQ Tables */
ctx->cq_tbl.max_elements = ctx->cq_count;
- rc = bnxt_qplib_alloc_init_hwq(pdev, &ctx->cq_tbl, NULL, 0,
+ rc = bnxt_qplib_alloc_init_hwq(pdev, &ctx->cq_tbl, NULL,
&ctx->cq_tbl.max_elements,
BNXT_QPLIB_MAX_CQ_CTX_ENTRY_SIZE, 0,
PAGE_SIZE, HWQ_TYPE_CTX);
/* TQM Buffer */
ctx->tqm_pde.max_elements = 512;
- rc = bnxt_qplib_alloc_init_hwq(pdev, &ctx->tqm_pde, NULL, 0,
+ rc = bnxt_qplib_alloc_init_hwq(pdev, &ctx->tqm_pde, NULL,
&ctx->tqm_pde.max_elements, sizeof(u64),
0, PAGE_SIZE, HWQ_TYPE_CTX);
if (rc)
continue;
ctx->tqm_tbl[i].max_elements = ctx->qpc_count *
ctx->tqm_count[i];
- rc = bnxt_qplib_alloc_init_hwq(pdev, &ctx->tqm_tbl[i], NULL, 0,
+ rc = bnxt_qplib_alloc_init_hwq(pdev, &ctx->tqm_tbl[i], NULL,
&ctx->tqm_tbl[i].max_elements, 1,
0, PAGE_SIZE, HWQ_TYPE_CTX);
if (rc)
/* TIM Buffer */
ctx->tim_tbl.max_elements = ctx->qpc_count * 16;
- rc = bnxt_qplib_alloc_init_hwq(pdev, &ctx->tim_tbl, NULL, 0,
+ rc = bnxt_qplib_alloc_init_hwq(pdev, &ctx->tim_tbl, NULL,
&ctx->tim_tbl.max_elements, 1,
0, PAGE_SIZE, HWQ_TYPE_CTX);
if (rc)
RING_ALLOC_REQ_RING_TYPE_ROCE_CMPL;
}
+struct bnxt_qplib_sg_info {
+ struct scatterlist *sglist;
+ u32 nmap;
+ u32 npages;
+};
+
#define to_bnxt_qplib(ptr, type, member) \
container_of(ptr, type, member)
void bnxt_qplib_free_hwq(struct pci_dev *pdev, struct bnxt_qplib_hwq *hwq);
int bnxt_qplib_alloc_init_hwq(struct pci_dev *pdev, struct bnxt_qplib_hwq *hwq,
- struct scatterlist *sl, int nmap, u32 *elements,
+ struct bnxt_qplib_sg_info *sg_info, u32 *elements,
u32 elements_per_page, u32 aux, u32 pg_size,
enum bnxt_qplib_hwq_type hwq_type);
void bnxt_qplib_get_guid(u8 *dev_addr, u8 *guid);
return 0;
}
-int bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
- bool block)
+void bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
+ bool block)
{
struct bnxt_qplib_rcfw *rcfw = res->rcfw;
struct cmdq_destroy_ah req;
struct creq_destroy_ah_resp resp;
u16 cmd_flags = 0;
- int rc;
/* Clean up the AH table in the device */
RCFW_CMD_PREP(req, DESTROY_AH, cmd_flags);
req.ah_cid = cpu_to_le32(ah->id);
- rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp,
- NULL, block);
- if (rc)
- return rc;
- return 0;
+ bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, NULL,
+ block);
}
/* MRW */
mr->hwq.max_elements = pages;
/* Use system PAGE_SIZE */
- rc = bnxt_qplib_alloc_init_hwq(res->pdev, &mr->hwq, NULL, 0,
+ rc = bnxt_qplib_alloc_init_hwq(res->pdev, &mr->hwq, NULL,
&mr->hwq.max_elements,
PAGE_SIZE, 0, PAGE_SIZE,
HWQ_TYPE_CTX);
return -ENOMEM;
frpl->hwq.max_elements = pages;
- rc = bnxt_qplib_alloc_init_hwq(res->pdev, &frpl->hwq, NULL, 0,
+ rc = bnxt_qplib_alloc_init_hwq(res->pdev, &frpl->hwq, NULL,
&frpl->hwq.max_elements, PAGE_SIZE, 0,
PAGE_SIZE, HWQ_TYPE_CTX);
if (!rc)
struct bnxt_qplib_ctx *ctx);
int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
bool block);
-int bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
- bool block);
+void bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
+ bool block);
int bnxt_qplib_alloc_mrw(struct bnxt_qplib_res *res,
struct bnxt_qplib_mrw *mrw);
int bnxt_qplib_dereg_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw,
T3_SOLICITED_EVENT_FLAG = 0x04,
T3_READ_FENCE_FLAG = 0x08,
T3_LOCAL_FENCE_FLAG = 0x10
-} __attribute__ ((packed));
+} __packed;
enum t3_wr_opcode {
T3_WR_BP = FW_WROPCODE_RI_BYPASS,
T3_WR_INIT = FW_WROPCODE_RI_RDMA_INIT,
T3_WR_QP_MOD = FW_WROPCODE_RI_MODIFY_QP,
T3_WR_FASTREG = FW_WROPCODE_RI_FASTREGISTER_MR
-} __attribute__ ((packed));
+} __packed;
enum t3_rdma_opcode {
T3_RDMA_WRITE, /* IETF RDMAP v1.0 ... */
T3_QP_MOD,
T3_BYPASS,
T3_RDMA_READ_REQ_WITH_INV,
-} __attribute__ ((packed));
+} __packed;
static inline enum t3_rdma_opcode wr2opcode(enum t3_wr_opcode wrop)
{
uP_RI_MPA_TX_MARKER_ENABLE = 0x2,
uP_RI_MPA_CRC_ENABLE = 0x4,
uP_RI_MPA_IETF_ENABLE = 0x8
-} __attribute__ ((packed));
+} __packed;
enum t3_qp_caps {
uP_RI_QP_RDMA_READ_ENABLE = 0x01,
uP_RI_QP_BIND_ENABLE = 0x04,
uP_RI_QP_FAST_REGISTER_ENABLE = 0x08,
uP_RI_QP_STAG0_ENABLE = 0x10
-} __attribute__ ((packed));
+} __packed;
enum rdma_init_rtr_types {
RTR_READ = 1,
static LIST_HEAD(dev_list);
static DEFINE_MUTEX(dev_mutex);
-static int disable_qp_db(int id, void *p, void *data)
-{
- struct iwch_qp *qhp = p;
-
- cxio_disable_wq_db(&qhp->wq);
- return 0;
-}
-
-static int enable_qp_db(int id, void *p, void *data)
-{
- struct iwch_qp *qhp = p;
-
- if (data)
- ring_doorbell(qhp->rhp->rdev.ctrl_qp.doorbell, qhp->wq.qpid);
- cxio_enable_wq_db(&qhp->wq);
- return 0;
-}
-
static void disable_dbs(struct iwch_dev *rnicp)
{
- spin_lock_irq(&rnicp->lock);
- idr_for_each(&rnicp->qpidr, disable_qp_db, NULL);
- spin_unlock_irq(&rnicp->lock);
+ unsigned long index;
+ struct iwch_qp *qhp;
+
+ xa_lock_irq(&rnicp->qps);
+ xa_for_each(&rnicp->qps, index, qhp)
+ cxio_disable_wq_db(&qhp->wq);
+ xa_unlock_irq(&rnicp->qps);
}
static void enable_dbs(struct iwch_dev *rnicp, int ring_db)
{
- spin_lock_irq(&rnicp->lock);
- idr_for_each(&rnicp->qpidr, enable_qp_db,
- (void *)(unsigned long)ring_db);
- spin_unlock_irq(&rnicp->lock);
+ unsigned long index;
+ struct iwch_qp *qhp;
+
+ xa_lock_irq(&rnicp->qps);
+ xa_for_each(&rnicp->qps, index, qhp) {
+ if (ring_db)
+ ring_doorbell(qhp->rhp->rdev.ctrl_qp.doorbell,
+ qhp->wq.qpid);
+ cxio_enable_wq_db(&qhp->wq);
+ }
+ xa_unlock_irq(&rnicp->qps);
}
static void iwch_db_drop_task(struct work_struct *work)
static void rnic_init(struct iwch_dev *rnicp)
{
pr_debug("%s iwch_dev %p\n", __func__, rnicp);
- idr_init(&rnicp->cqidr);
- idr_init(&rnicp->qpidr);
- idr_init(&rnicp->mmidr);
- spin_lock_init(&rnicp->lock);
+ xa_init_flags(&rnicp->cqs, XA_FLAGS_LOCK_IRQ);
+ xa_init_flags(&rnicp->qps, XA_FLAGS_LOCK_IRQ);
+ xa_init_flags(&rnicp->mrs, XA_FLAGS_LOCK_IRQ);
INIT_DELAYED_WORK(&rnicp->db_drop_task, iwch_db_drop_task);
rnicp->attr.max_qps = T3_MAX_NUM_QP - 32;
list_del(&dev->entry);
iwch_unregister_device(dev);
cxio_rdev_close(&dev->rdev);
- idr_destroy(&dev->cqidr);
- idr_destroy(&dev->qpidr);
- idr_destroy(&dev->mmidr);
+ WARN_ON(!xa_empty(&dev->cqs));
+ WARN_ON(!xa_empty(&dev->qps));
+ WARN_ON(!xa_empty(&dev->mrs));
ib_dealloc_device(&dev->ibdev);
break;
}
#include <linux/mutex.h>
#include <linux/list.h>
#include <linux/spinlock.h>
-#include <linux/idr.h>
+#include <linux/xarray.h>
#include <linux/workqueue.h>
#include <rdma/ib_verbs.h>
struct cxio_rdev rdev;
u32 device_cap_flags;
struct iwch_rnic_attributes attr;
- struct idr cqidr;
- struct idr qpidr;
- struct idr mmidr;
- spinlock_t lock;
+ struct xarray cqs;
+ struct xarray qps;
+ struct xarray mrs;
struct list_head entry;
struct delayed_work db_drop_task;
};
static inline struct iwch_cq *get_chp(struct iwch_dev *rhp, u32 cqid)
{
- return idr_find(&rhp->cqidr, cqid);
+ return xa_load(&rhp->cqs, cqid);
}
static inline struct iwch_qp *get_qhp(struct iwch_dev *rhp, u32 qpid)
{
- return idr_find(&rhp->qpidr, qpid);
+ return xa_load(&rhp->qps, qpid);
}
static inline struct iwch_mr *get_mhp(struct iwch_dev *rhp, u32 mmid)
{
- return idr_find(&rhp->mmidr, mmid);
-}
-
-static inline int insert_handle(struct iwch_dev *rhp, struct idr *idr,
- void *handle, u32 id)
-{
- int ret;
-
- idr_preload(GFP_KERNEL);
- spin_lock_irq(&rhp->lock);
-
- ret = idr_alloc(idr, handle, id, id + 1, GFP_NOWAIT);
-
- spin_unlock_irq(&rhp->lock);
- idr_preload_end();
-
- return ret < 0 ? ret : 0;
-}
-
-static inline void remove_handle(struct iwch_dev *rhp, struct idr *idr, u32 id)
-{
- spin_lock_irq(&rhp->lock);
- idr_remove(idr, id);
- spin_unlock_irq(&rhp->lock);
+ return xa_load(&rhp->mrs, mmid);
}
extern struct cxgb3_client t3c_client;
struct iwch_qp *qhp;
unsigned long flag;
- spin_lock(&rnicp->lock);
- qhp = get_qhp(rnicp, CQE_QPID(rsp_msg->cqe));
+ xa_lock(&rnicp->qps);
+ qhp = xa_load(&rnicp->qps, CQE_QPID(rsp_msg->cqe));
if (!qhp) {
pr_err("%s unaffiliated error 0x%x qpid 0x%x\n",
__func__, CQE_STATUS(rsp_msg->cqe),
CQE_QPID(rsp_msg->cqe));
- spin_unlock(&rnicp->lock);
+ xa_unlock(&rnicp->qps);
return;
}
__func__,
qhp->attr.state, qhp->wq.qpid,
CQE_STATUS(rsp_msg->cqe));
- spin_unlock(&rnicp->lock);
+ xa_unlock(&rnicp->qps);
return;
}
CQE_WRID_HI(rsp_msg->cqe), CQE_WRID_LOW(rsp_msg->cqe));
atomic_inc(&qhp->refcnt);
- spin_unlock(&rnicp->lock);
+ xa_unlock(&rnicp->qps);
if (qhp->attr.state == IWCH_QP_STATE_RTS) {
attrs.next_state = IWCH_QP_STATE_TERMINATE;
unsigned long flag;
rnicp = (struct iwch_dev *) rdev_p->ulp;
- spin_lock(&rnicp->lock);
+ xa_lock(&rnicp->qps);
chp = get_chp(rnicp, cqid);
- qhp = get_qhp(rnicp, CQE_QPID(rsp_msg->cqe));
+ qhp = xa_load(&rnicp->qps, CQE_QPID(rsp_msg->cqe));
if (!chp || !qhp) {
pr_err("BAD AE cqid 0x%x qpid 0x%x opcode %d status 0x%x type %d wrid.hi 0x%x wrid.lo 0x%x\n",
cqid, CQE_QPID(rsp_msg->cqe),
CQE_OPCODE(rsp_msg->cqe), CQE_STATUS(rsp_msg->cqe),
CQE_TYPE(rsp_msg->cqe), CQE_WRID_HI(rsp_msg->cqe),
CQE_WRID_LOW(rsp_msg->cqe));
- spin_unlock(&rnicp->lock);
+ xa_unlock(&rnicp->qps);
goto out;
}
iwch_qp_add_ref(&qhp->ibqp);
atomic_inc(&chp->refcnt);
- spin_unlock(&rnicp->lock);
+ xa_unlock(&rnicp->qps);
/*
* 1) completion of our sending a TERMINATE.
mmid = stag >> 8;
mhp->ibmr.rkey = mhp->ibmr.lkey = stag;
pr_debug("%s mmid 0x%x mhp %p\n", __func__, mmid, mhp);
- return insert_handle(mhp->rhp, &mhp->rhp->mmidr, mhp, mmid);
+ return xa_insert_irq(&mhp->rhp->mrs, mmid, mhp, GFP_KERNEL);
}
int iwch_register_mem(struct iwch_dev *rhp, struct iwch_pd *php,
return 0;
}
-static int iwch_destroy_cq(struct ib_cq *ib_cq)
+static int iwch_destroy_cq(struct ib_cq *ib_cq, struct ib_udata *udata)
{
struct iwch_cq *chp;
pr_debug("%s ib_cq %p\n", __func__, ib_cq);
chp = to_iwch_cq(ib_cq);
- remove_handle(chp->rhp, &chp->rhp->cqidr, chp->cq.cqid);
+ xa_erase_irq(&chp->rhp->cqs, chp->cq.cqid);
atomic_dec(&chp->refcnt);
wait_event(chp->wait, !atomic_read(&chp->refcnt));
static struct ib_cq *iwch_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,
- struct ib_ucontext *ib_context,
struct ib_udata *udata)
{
int entries = attr->cqe;
struct iwch_cq *chp;
struct iwch_create_cq_resp uresp;
struct iwch_create_cq_req ureq;
- struct iwch_ucontext *ucontext = NULL;
static int warned;
size_t resplen;
if (!chp)
return ERR_PTR(-ENOMEM);
- if (ib_context) {
- ucontext = to_iwch_ucontext(ib_context);
+ if (udata) {
if (!t3a_device(rhp)) {
if (ib_copy_from_udata(&ureq, udata, sizeof (ureq))) {
kfree(chp);
entries = roundup_pow_of_two(entries);
chp->cq.size_log2 = ilog2(entries);
- if (cxio_create_cq(&rhp->rdev, &chp->cq, !ucontext)) {
+ if (cxio_create_cq(&rhp->rdev, &chp->cq, !udata)) {
kfree(chp);
return ERR_PTR(-ENOMEM);
}
spin_lock_init(&chp->comp_handler_lock);
atomic_set(&chp->refcnt, 1);
init_waitqueue_head(&chp->wait);
- if (insert_handle(rhp, &rhp->cqidr, chp, chp->cq.cqid)) {
+ if (xa_store_irq(&rhp->cqs, chp->cq.cqid, chp, GFP_KERNEL)) {
cxio_destroy_cq(&chp->rhp->rdev, &chp->cq);
kfree(chp);
return ERR_PTR(-ENOMEM);
}
- if (ucontext) {
+ if (udata) {
struct iwch_mm_entry *mm;
+ struct iwch_ucontext *ucontext = rdma_udata_to_drv_context(
+ udata, struct iwch_ucontext, ibucontext);
mm = kmalloc(sizeof *mm, GFP_KERNEL);
if (!mm) {
- iwch_destroy_cq(&chp->ibcq);
+ iwch_destroy_cq(&chp->ibcq, udata);
return ERR_PTR(-ENOMEM);
}
uresp.cqid = chp->cq.cqid;
}
if (ib_copy_to_udata(udata, &uresp, resplen)) {
kfree(mm);
- iwch_destroy_cq(&chp->ibcq);
+ iwch_destroy_cq(&chp->ibcq, udata);
return ERR_PTR(-EFAULT);
}
insert_mmap(ucontext, mm);
return ret;
}
-static void iwch_deallocate_pd(struct ib_pd *pd)
+static void iwch_deallocate_pd(struct ib_pd *pd, struct ib_udata *udata)
{
struct iwch_dev *rhp;
struct iwch_pd *php;
cxio_hal_put_pdid(rhp->rdev.rscp, php->pdid);
}
-static int iwch_allocate_pd(struct ib_pd *pd, struct ib_ucontext *context,
- struct ib_udata *udata)
+static int iwch_allocate_pd(struct ib_pd *pd, struct ib_udata *udata)
{
struct iwch_pd *php = to_iwch_pd(pd);
struct ib_device *ibdev = pd->device;
php->pdid = pdid;
php->rhp = rhp;
- if (context) {
+ if (udata) {
struct iwch_alloc_pd_resp resp = {.pdid = php->pdid};
if (ib_copy_to_udata(udata, &resp, sizeof(resp))) {
- iwch_deallocate_pd(&php->ibpd);
+ iwch_deallocate_pd(&php->ibpd, udata);
return -EFAULT;
}
}
return 0;
}
-static int iwch_dereg_mr(struct ib_mr *ib_mr)
+static int iwch_dereg_mr(struct ib_mr *ib_mr, struct ib_udata *udata)
{
struct iwch_dev *rhp;
struct iwch_mr *mhp;
cxio_dereg_mem(&rhp->rdev, mhp->attr.stag, mhp->attr.pbl_size,
mhp->attr.pbl_addr);
iwch_free_pbl(mhp);
- remove_handle(rhp, &rhp->mmidr, mmid);
+ xa_erase_irq(&rhp->mrs, mmid);
if (mhp->kva)
kfree((void *) (unsigned long) mhp->kva);
if (mhp->umem)
shift = PAGE_SHIFT;
- n = mhp->umem->nmap;
+ n = ib_umem_num_pages(mhp->umem);
err = iwch_alloc_pbl(mhp, n);
if (err)
uresp.pbl_addr);
if (ib_copy_to_udata(udata, &uresp, sizeof (uresp))) {
- iwch_dereg_mr(&mhp->ibmr);
+ iwch_dereg_mr(&mhp->ibmr, udata);
err = -EFAULT;
goto err;
}
mhp->attr.stag = stag;
mmid = (stag) >> 8;
mhp->ibmw.rkey = stag;
- if (insert_handle(rhp, &rhp->mmidr, mhp, mmid)) {
+ if (xa_insert_irq(&rhp->mrs, mmid, mhp, GFP_KERNEL)) {
cxio_deallocate_window(&rhp->rdev, mhp->attr.stag);
kfree(mhp);
return ERR_PTR(-ENOMEM);
rhp = mhp->rhp;
mmid = (mw->rkey) >> 8;
cxio_deallocate_window(&rhp->rdev, mhp->attr.stag);
- remove_handle(rhp, &rhp->mmidr, mmid);
+ xa_erase_irq(&rhp->mrs, mmid);
pr_debug("%s ib_mw %p mmid 0x%x ptr %p\n", __func__, mw, mmid, mhp);
kfree(mhp);
return 0;
}
-static struct ib_mr *iwch_alloc_mr(struct ib_pd *pd,
- enum ib_mr_type mr_type,
- u32 max_num_sg)
+static struct ib_mr *iwch_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,
+ u32 max_num_sg, struct ib_udata *udata)
{
struct iwch_dev *rhp;
struct iwch_pd *php;
mhp->attr.state = 1;
mmid = (stag) >> 8;
mhp->ibmr.rkey = mhp->ibmr.lkey = stag;
- ret = insert_handle(rhp, &rhp->mmidr, mhp, mmid);
+ ret = xa_insert_irq(&rhp->mrs, mmid, mhp, GFP_KERNEL);
if (ret)
goto err3;
return ib_sg_to_pages(ibmr, sg, sg_nents, sg_offset, iwch_set_page);
}
-static int iwch_destroy_qp(struct ib_qp *ib_qp)
+static int iwch_destroy_qp(struct ib_qp *ib_qp, struct ib_udata *udata)
{
struct iwch_dev *rhp;
struct iwch_qp *qhp;
iwch_modify_qp(rhp, qhp, IWCH_QP_ATTR_NEXT_STATE, &attrs, 0);
wait_event(qhp->wait, !qhp->ep);
- remove_handle(rhp, &rhp->qpidr, qhp->wq.qpid);
+ xa_erase_irq(&rhp->qps, qhp->wq.qpid);
atomic_dec(&qhp->refcnt);
wait_event(qhp->wait, !atomic_read(&qhp->refcnt));
- ucontext = ib_qp->uobject ? to_iwch_ucontext(ib_qp->uobject->context)
- : NULL;
+ ucontext = rdma_udata_to_drv_context(udata, struct iwch_ucontext,
+ ibucontext);
cxio_destroy_qp(&rhp->rdev, &qhp->wq,
ucontext ? &ucontext->uctx : &rhp->rdev.uctx);
init_waitqueue_head(&qhp->wait);
atomic_set(&qhp->refcnt, 1);
- if (insert_handle(rhp, &rhp->qpidr, qhp, qhp->wq.qpid)) {
+ if (xa_store_irq(&rhp->qps, qhp->wq.qpid, qhp, GFP_KERNEL)) {
cxio_destroy_qp(&rhp->rdev, &qhp->wq,
ucontext ? &ucontext->uctx : &rhp->rdev.uctx);
kfree(qhp);
mm1 = kmalloc(sizeof *mm1, GFP_KERNEL);
if (!mm1) {
- iwch_destroy_qp(&qhp->ibqp);
+ iwch_destroy_qp(&qhp->ibqp, udata);
return ERR_PTR(-ENOMEM);
}
mm2 = kmalloc(sizeof *mm2, GFP_KERNEL);
if (!mm2) {
kfree(mm1);
- iwch_destroy_qp(&qhp->ibqp);
+ iwch_destroy_qp(&qhp->ibqp, udata);
return ERR_PTR(-ENOMEM);
}
if (ib_copy_to_udata(udata, &uresp, sizeof (uresp))) {
kfree(mm1);
kfree(mm2);
- iwch_destroy_qp(&qhp->ibqp);
+ iwch_destroy_qp(&qhp->ibqp, udata);
return ERR_PTR(-EFAULT);
}
mm1->key = uresp.key;
.get_dma_mr = iwch_get_dma_mr,
.get_hw_stats = iwch_get_mib,
.get_port_immutable = iwch_port_immutable,
+ .iw_accept = iwch_accept_cr,
+ .iw_add_ref = iwch_qp_add_ref,
+ .iw_connect = iwch_connect,
+ .iw_create_listen = iwch_create_listen,
+ .iw_destroy_listen = iwch_destroy_listen,
+ .iw_get_qp = iwch_get_qp,
+ .iw_reject = iwch_reject_cr,
+ .iw_rem_ref = iwch_qp_rem_ref,
.map_mr_sg = iwch_map_mr_sg,
.mmap = iwch_mmap,
.modify_qp = iwch_ib_modify_qp,
int iwch_register_device(struct iwch_dev *dev)
{
- int ret;
-
pr_debug("%s iwch_dev %p\n", __func__, dev);
memset(&dev->ibdev.node_guid, 0, sizeof(dev->ibdev.node_guid));
memcpy(&dev->ibdev.node_guid, dev->rdev.t3cdev_p->lldev->dev_addr, 6);
dev->ibdev.dev.parent = &dev->rdev.rnic_info.pdev->dev;
dev->ibdev.uverbs_abi_ver = IWCH_UVERBS_ABI_VERSION;
- dev->ibdev.iwcm = kzalloc(sizeof(struct iw_cm_verbs), GFP_KERNEL);
- if (!dev->ibdev.iwcm)
- return -ENOMEM;
-
- dev->ibdev.iwcm->connect = iwch_connect;
- dev->ibdev.iwcm->accept = iwch_accept_cr;
- dev->ibdev.iwcm->reject = iwch_reject_cr;
- dev->ibdev.iwcm->create_listen = iwch_create_listen;
- dev->ibdev.iwcm->destroy_listen = iwch_destroy_listen;
- dev->ibdev.iwcm->add_ref = iwch_qp_add_ref;
- dev->ibdev.iwcm->rem_ref = iwch_qp_rem_ref;
- dev->ibdev.iwcm->get_qp = iwch_get_qp;
- memcpy(dev->ibdev.iwcm->ifname, dev->rdev.t3cdev_p->lldev->name,
- sizeof(dev->ibdev.iwcm->ifname));
+ memcpy(dev->ibdev.iw_ifname, dev->rdev.t3cdev_p->lldev->name,
+ sizeof(dev->ibdev.iw_ifname));
dev->ibdev.driver_id = RDMA_DRIVER_CXGB3;
rdma_set_device_sysfs_group(&dev->ibdev, &iwch_attr_group);
ib_set_device_ops(&dev->ibdev, &iwch_dev_ops);
- ret = ib_register_device(&dev->ibdev, "cxgb3_%d");
- if (ret)
- kfree(dev->ibdev.iwcm);
- return ret;
+ return ib_register_device(&dev->ibdev, "cxgb3_%d");
}
void iwch_unregister_device(struct iwch_dev *dev)
{
pr_debug("%s iwch_dev %p\n", __func__, dev);
ib_unregister_device(&dev->ibdev);
- kfree(dev->ibdev.iwcm);
return;
}
{
unsigned long flags;
- spin_lock_irqsave(&ep->com.dev->lock, flags);
- _remove_handle(ep->com.dev, &ep->com.dev->hwtid_idr, ep->hwtid, 0);
- if (idr_is_empty(&ep->com.dev->hwtid_idr))
+ xa_lock_irqsave(&ep->com.dev->hwtids, flags);
+ __xa_erase(&ep->com.dev->hwtids, ep->hwtid);
+ if (xa_empty(&ep->com.dev->hwtids))
wake_up(&ep->com.dev->wait);
- spin_unlock_irqrestore(&ep->com.dev->lock, flags);
+ xa_unlock_irqrestore(&ep->com.dev->hwtids, flags);
}
-static void insert_ep_tid(struct c4iw_ep *ep)
+static int insert_ep_tid(struct c4iw_ep *ep)
{
unsigned long flags;
+ int err;
+
+ xa_lock_irqsave(&ep->com.dev->hwtids, flags);
+ err = __xa_insert(&ep->com.dev->hwtids, ep->hwtid, ep, GFP_KERNEL);
+ xa_unlock_irqrestore(&ep->com.dev->hwtids, flags);
- spin_lock_irqsave(&ep->com.dev->lock, flags);
- _insert_handle(ep->com.dev, &ep->com.dev->hwtid_idr, ep, ep->hwtid, 0);
- spin_unlock_irqrestore(&ep->com.dev->lock, flags);
+ return err;
}
/*
struct c4iw_ep *ep;
unsigned long flags;
- spin_lock_irqsave(&dev->lock, flags);
- ep = idr_find(&dev->hwtid_idr, tid);
+ xa_lock_irqsave(&dev->hwtids, flags);
+ ep = xa_load(&dev->hwtids, tid);
if (ep)
c4iw_get_ep(&ep->com);
- spin_unlock_irqrestore(&dev->lock, flags);
+ xa_unlock_irqrestore(&dev->hwtids, flags);
return ep;
}
struct c4iw_listen_ep *ep;
unsigned long flags;
- spin_lock_irqsave(&dev->lock, flags);
- ep = idr_find(&dev->stid_idr, stid);
+ xa_lock_irqsave(&dev->stids, flags);
+ ep = xa_load(&dev->stids, stid);
if (ep)
c4iw_get_ep(&ep->com);
- spin_unlock_irqrestore(&dev->lock, flags);
+ xa_unlock_irqrestore(&dev->stids, flags);
return ep;
}
skb_reset_transport_header(skb);
} else {
skb = alloc_skb(len, gfp);
+ if (!skb)
+ return NULL;
}
t4_set_arp_err_handler(skb, NULL, NULL);
return skb;
cxgb4_clip_release(ep->com.dev->rdev.lldi.ports[0],
(const u32 *)&sin6->sin6_addr.s6_addr, 1);
}
- remove_handle(ep->com.dev, &ep->com.dev->atid_idr, ep->atid);
+ xa_erase_irq(&ep->com.dev->atids, ep->atid);
cxgb4_free_atid(ep->com.dev->rdev.lldi.tids, ep->atid);
queue_arp_failure_cpl(ep, skb, FAKE_CPL_PUT_EP_SAFE);
}
set_emss(ep, tcp_opt);
/* dealloc the atid */
- remove_handle(ep->com.dev, &ep->com.dev->atid_idr, atid);
+ xa_erase_irq(&ep->com.dev->atids, atid);
cxgb4_free_atid(t, atid);
set_bit(ACT_ESTAB, &ep->com.history);
err = -ENOMEM;
goto fail2;
}
- insert_handle(ep->com.dev, &ep->com.dev->atid_idr, ep, ep->atid);
+ err = xa_insert_irq(&ep->com.dev->atids, ep->atid, ep, GFP_KERNEL);
+ if (err)
+ goto fail2a;
/* find a route */
if (ep->com.cm_id->m_local_addr.ss_family == AF_INET) {
fail4:
dst_release(ep->dst);
fail3:
- remove_handle(ep->com.dev, &ep->com.dev->atid_idr, ep->atid);
+ xa_erase_irq(&ep->com.dev->atids, ep->atid);
+fail2a:
cxgb4_free_atid(ep->com.dev->rdev.lldi.tids, ep->atid);
fail2:
/*
(const u32 *)
&sin6->sin6_addr.s6_addr, 1);
}
- remove_handle(ep->com.dev, &ep->com.dev->atid_idr,
- atid);
+ xa_erase_irq(&ep->com.dev->atids, atid);
cxgb4_free_atid(t, atid);
dst_release(ep->dst);
cxgb4_l2t_release(ep->l2t);
cxgb4_remove_tid(ep->com.dev->rdev.lldi.tids, 0, GET_TID(rpl),
ep->com.local_addr.ss_family);
- remove_handle(ep->com.dev, &ep->com.dev->atid_idr, atid);
+ xa_erase_irq(&ep->com.dev->atids, atid);
cxgb4_free_atid(t, atid);
dst_release(ep->dst);
cxgb4_l2t_release(ep->l2t);
(const u32 *)&sin6->sin6_addr.s6_addr,
1);
}
- remove_handle(ep->com.dev, &ep->com.dev->hwtid_idr, ep->hwtid);
+ xa_erase_irq(&ep->com.dev->hwtids, ep->hwtid);
cxgb4_remove_tid(ep->com.dev->rdev.lldi.tids, 0, ep->hwtid,
ep->com.local_addr.ss_family);
dst_release(ep->dst);
err = -ENOMEM;
goto fail2;
}
- insert_handle(dev, &dev->atid_idr, ep, ep->atid);
+ err = xa_insert_irq(&dev->atids, ep->atid, ep, GFP_KERNEL);
+ if (err)
+ goto fail5;
memcpy(&ep->com.local_addr, &cm_id->m_local_addr,
sizeof(ep->com.local_addr));
fail4:
dst_release(ep->dst);
fail3:
- remove_handle(ep->com.dev, &ep->com.dev->atid_idr, ep->atid);
+ xa_erase_irq(&ep->com.dev->atids, ep->atid);
+fail5:
cxgb4_free_atid(ep->com.dev->rdev.lldi.tids, ep->atid);
fail2:
skb_queue_purge(&ep->com.ep_skb_list);
err = -ENOMEM;
goto fail2;
}
- insert_handle(dev, &dev->stid_idr, ep, ep->stid);
+ err = xa_insert_irq(&dev->stids, ep->stid, ep, GFP_KERNEL);
+ if (err)
+ goto fail3;
state_set(&ep->com, LISTEN);
if (ep->com.local_addr.ss_family == AF_INET)
cm_id->provider_data = ep;
goto out;
}
- remove_handle(ep->com.dev, &ep->com.dev->stid_idr, ep->stid);
+ xa_erase_irq(&ep->com.dev->stids, ep->stid);
+fail3:
cxgb4_free_stid(ep->com.dev->rdev.lldi.tids, ep->stid,
ep->com.local_addr.ss_family);
fail2:
cxgb4_clip_release(ep->com.dev->rdev.lldi.ports[0],
(const u32 *)&sin6->sin6_addr.s6_addr, 1);
}
- remove_handle(ep->com.dev, &ep->com.dev->stid_idr, ep->stid);
+ xa_erase_irq(&ep->com.dev->stids, ep->stid);
cxgb4_free_stid(ep->com.dev->rdev.lldi.tids, ep->stid,
ep->com.local_addr.ss_family);
done:
cxgb4_clip_release(ep->com.dev->rdev.lldi.ports[0],
(const u32 *)&sin6->sin6_addr.s6_addr, 1);
}
- remove_handle(dev, &dev->atid_idr, atid);
+ xa_erase_irq(&dev->atids, atid);
cxgb4_free_atid(dev->rdev.lldi.tids, atid);
dst_release(ep->dst);
cxgb4_l2t_release(ep->l2t);
* SOFTWARE.
*/
+#include <rdma/uverbs_ioctl.h>
+
#include "iw_cxgb4.h"
static int destroy_cq(struct c4iw_rdev *rdev, struct t4_cq *cq,
return !err || err == -ENODATA ? npolled : err;
}
-int c4iw_destroy_cq(struct ib_cq *ib_cq)
+int c4iw_destroy_cq(struct ib_cq *ib_cq, struct ib_udata *udata)
{
struct c4iw_cq *chp;
struct c4iw_ucontext *ucontext;
pr_debug("ib_cq %p\n", ib_cq);
chp = to_c4iw_cq(ib_cq);
- remove_handle(chp->rhp, &chp->rhp->cqidr, chp->cq.cqid);
+ xa_erase_irq(&chp->rhp->cqs, chp->cq.cqid);
atomic_dec(&chp->refcnt);
wait_event(chp->wait, !atomic_read(&chp->refcnt));
- ucontext = ib_cq->uobject ? to_c4iw_ucontext(ib_cq->uobject->context)
- : NULL;
+ ucontext = rdma_udata_to_drv_context(udata, struct c4iw_ucontext,
+ ibucontext);
destroy_cq(&chp->rhp->rdev, &chp->cq,
ucontext ? &ucontext->uctx : &chp->cq.rdev->uctx,
chp->destroy_skb, chp->wr_waitp);
struct ib_cq *c4iw_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,
- struct ib_ucontext *ib_context,
struct ib_udata *udata)
{
int entries = attr->cqe;
struct c4iw_cq *chp;
struct c4iw_create_cq ucmd;
struct c4iw_create_cq_resp uresp;
- struct c4iw_ucontext *ucontext = NULL;
int ret, wr_len;
size_t memsize, hwentries;
struct c4iw_mm_entry *mm, *mm2;
+ struct c4iw_ucontext *ucontext = rdma_udata_to_drv_context(
+ udata, struct c4iw_ucontext, ibucontext);
pr_debug("ib_dev %p entries %d\n", ibdev, entries);
if (attr->flags)
if (vector >= rhp->rdev.lldi.nciq)
return ERR_PTR(-EINVAL);
- if (ib_context) {
- ucontext = to_c4iw_ucontext(ib_context);
+ if (udata) {
if (udata->inlen < sizeof(ucmd))
ucontext->is_32b_cqe = 1;
}
/*
* memsize must be a multiple of the page size if its a user cq.
*/
- if (ucontext)
+ if (udata)
memsize = roundup(memsize, PAGE_SIZE);
chp->cq.size = hwentries;
spin_lock_init(&chp->comp_handler_lock);
atomic_set(&chp->refcnt, 1);
init_waitqueue_head(&chp->wait);
- ret = insert_handle(rhp, &rhp->cqidr, chp, chp->cq.cqid);
+ ret = xa_insert_irq(&rhp->cqs, chp->cq.cqid, chp, GFP_KERNEL);
if (ret)
goto err_destroy_cq;
err_free_mm:
kfree(mm);
err_remove_handle:
- remove_handle(rhp, &rhp->cqidr, chp->cq.cqid);
+ xa_erase_irq(&rhp->cqs, chp->cq.cqid);
err_destroy_cq:
destroy_cq(&chp->rhp->rdev, &chp->cq,
ucontext ? &ucontext->uctx : &rhp->rdev.uctx,
int pos;
};
-static int count_idrs(int id, void *p, void *data)
-{
- int *countp = data;
-
- *countp = *countp + 1;
- return 0;
-}
-
static ssize_t debugfs_read(struct file *file, char __user *buf, size_t count,
loff_t *ppos)
{
}
}
-static int dump_qp(int id, void *p, void *data)
+static int dump_qp(struct c4iw_qp *qp, struct c4iw_debugfs_data *qpd)
{
- struct c4iw_qp *qp = p;
- struct c4iw_debugfs_data *qpd = data;
int space;
int cc;
- if (id != qp->wq.sq.qid)
- return 0;
-
space = qpd->bufsize - qpd->pos - 1;
if (space == 0)
return 1;
static int qp_open(struct inode *inode, struct file *file)
{
+ struct c4iw_qp *qp;
struct c4iw_debugfs_data *qpd;
+ unsigned long index;
int count = 1;
qpd = kmalloc(sizeof *qpd, GFP_KERNEL);
qpd->devp = inode->i_private;
qpd->pos = 0;
- spin_lock_irq(&qpd->devp->lock);
- idr_for_each(&qpd->devp->qpidr, count_idrs, &count);
- spin_unlock_irq(&qpd->devp->lock);
+ /*
+ * No need to lock; we drop the lock to call vmalloc so it's racy
+ * anyway. Someone who cares should switch this over to seq_file
+ */
+ xa_for_each(&qpd->devp->qps, index, qp)
+ count++;
qpd->bufsize = count * 180;
qpd->buf = vmalloc(qpd->bufsize);
return -ENOMEM;
}
- spin_lock_irq(&qpd->devp->lock);
- idr_for_each(&qpd->devp->qpidr, dump_qp, qpd);
- spin_unlock_irq(&qpd->devp->lock);
+ xa_lock_irq(&qpd->devp->qps);
+ xa_for_each(&qpd->devp->qps, index, qp)
+ dump_qp(qp, qpd);
+ xa_unlock_irq(&qpd->devp->qps);
qpd->buf[qpd->pos++] = 0;
file->private_data = qpd;
.llseek = default_llseek,
};
-static int dump_stag(int id, void *p, void *data)
+static int dump_stag(unsigned long id, struct c4iw_debugfs_data *stagd)
{
- struct c4iw_debugfs_data *stagd = data;
int space;
int cc;
struct fw_ri_tpte tpte;
static int stag_open(struct inode *inode, struct file *file)
{
struct c4iw_debugfs_data *stagd;
+ void *p;
+ unsigned long index;
int ret = 0;
int count = 1;
stagd->devp = inode->i_private;
stagd->pos = 0;
- spin_lock_irq(&stagd->devp->lock);
- idr_for_each(&stagd->devp->mmidr, count_idrs, &count);
- spin_unlock_irq(&stagd->devp->lock);
+ xa_for_each(&stagd->devp->mrs, index, p)
+ count++;
stagd->bufsize = count * 256;
stagd->buf = vmalloc(stagd->bufsize);
goto err1;
}
- spin_lock_irq(&stagd->devp->lock);
- idr_for_each(&stagd->devp->mmidr, dump_stag, stagd);
- spin_unlock_irq(&stagd->devp->lock);
+ xa_lock_irq(&stagd->devp->mrs);
+ xa_for_each(&stagd->devp->mrs, index, p)
+ dump_stag(index, stagd);
+ xa_unlock_irq(&stagd->devp->mrs);
stagd->buf[stagd->pos++] = 0;
file->private_data = stagd;
.write = stats_clear,
};
-static int dump_ep(int id, void *p, void *data)
+static int dump_ep(struct c4iw_ep *ep, struct c4iw_debugfs_data *epd)
{
- struct c4iw_ep *ep = p;
- struct c4iw_debugfs_data *epd = data;
int space;
int cc;
return 0;
}
-static int dump_listen_ep(int id, void *p, void *data)
+static
+int dump_listen_ep(struct c4iw_listen_ep *ep, struct c4iw_debugfs_data *epd)
{
- struct c4iw_listen_ep *ep = p;
- struct c4iw_debugfs_data *epd = data;
int space;
int cc;
static int ep_open(struct inode *inode, struct file *file)
{
+ struct c4iw_ep *ep;
+ struct c4iw_listen_ep *lep;
+ unsigned long index;
struct c4iw_debugfs_data *epd;
int ret = 0;
int count = 1;
epd->devp = inode->i_private;
epd->pos = 0;
- spin_lock_irq(&epd->devp->lock);
- idr_for_each(&epd->devp->hwtid_idr, count_idrs, &count);
- idr_for_each(&epd->devp->atid_idr, count_idrs, &count);
- idr_for_each(&epd->devp->stid_idr, count_idrs, &count);
- spin_unlock_irq(&epd->devp->lock);
+ xa_for_each(&epd->devp->hwtids, index, ep)
+ count++;
+ xa_for_each(&epd->devp->atids, index, ep)
+ count++;
+ xa_for_each(&epd->devp->stids, index, lep)
+ count++;
epd->bufsize = count * 240;
epd->buf = vmalloc(epd->bufsize);
goto err1;
}
- spin_lock_irq(&epd->devp->lock);
- idr_for_each(&epd->devp->hwtid_idr, dump_ep, epd);
- idr_for_each(&epd->devp->atid_idr, dump_ep, epd);
- idr_for_each(&epd->devp->stid_idr, dump_listen_ep, epd);
- spin_unlock_irq(&epd->devp->lock);
+ xa_lock_irq(&epd->devp->hwtids);
+ xa_for_each(&epd->devp->hwtids, index, ep)
+ dump_ep(ep, epd);
+ xa_unlock_irq(&epd->devp->hwtids);
+ xa_lock_irq(&epd->devp->atids);
+ xa_for_each(&epd->devp->atids, index, ep)
+ dump_ep(ep, epd);
+ xa_unlock_irq(&epd->devp->atids);
+ xa_lock_irq(&epd->devp->stids);
+ xa_for_each(&epd->devp->stids, index, lep)
+ dump_listen_ep(lep, epd);
+ xa_unlock_irq(&epd->devp->stids);
file->private_data = epd;
goto out;
void c4iw_dealloc(struct uld_ctx *ctx)
{
c4iw_rdev_close(&ctx->dev->rdev);
- WARN_ON_ONCE(!idr_is_empty(&ctx->dev->cqidr));
- idr_destroy(&ctx->dev->cqidr);
- WARN_ON_ONCE(!idr_is_empty(&ctx->dev->qpidr));
- idr_destroy(&ctx->dev->qpidr);
- WARN_ON_ONCE(!idr_is_empty(&ctx->dev->mmidr));
- idr_destroy(&ctx->dev->mmidr);
- wait_event(ctx->dev->wait, idr_is_empty(&ctx->dev->hwtid_idr));
- idr_destroy(&ctx->dev->hwtid_idr);
- idr_destroy(&ctx->dev->stid_idr);
- idr_destroy(&ctx->dev->atid_idr);
+ WARN_ON(!xa_empty(&ctx->dev->cqs));
+ WARN_ON(!xa_empty(&ctx->dev->qps));
+ WARN_ON(!xa_empty(&ctx->dev->mrs));
+ wait_event(ctx->dev->wait, xa_empty(&ctx->dev->hwtids));
+ WARN_ON(!xa_empty(&ctx->dev->stids));
+ WARN_ON(!xa_empty(&ctx->dev->atids));
if (ctx->dev->rdev.bar2_kva)
iounmap(ctx->dev->rdev.bar2_kva);
if (ctx->dev->rdev.oc_mw_kva)
return ERR_PTR(ret);
}
- idr_init(&devp->cqidr);
- idr_init(&devp->qpidr);
- idr_init(&devp->mmidr);
- idr_init(&devp->hwtid_idr);
- idr_init(&devp->stid_idr);
- idr_init(&devp->atid_idr);
- spin_lock_init(&devp->lock);
+ xa_init_flags(&devp->cqs, XA_FLAGS_LOCK_IRQ);
+ xa_init_flags(&devp->qps, XA_FLAGS_LOCK_IRQ);
+ xa_init_flags(&devp->mrs, XA_FLAGS_LOCK_IRQ);
+ xa_init_flags(&devp->hwtids, XA_FLAGS_LOCK_IRQ);
+ xa_init_flags(&devp->atids, XA_FLAGS_LOCK_IRQ);
+ xa_init_flags(&devp->stids, XA_FLAGS_LOCK_IRQ);
mutex_init(&devp->rdev.stats.lock);
mutex_init(&devp->db_mutex);
INIT_LIST_HEAD(&devp->db_fc_list);
return 0;
}
-static int disable_qp_db(int id, void *p, void *data)
-{
- struct c4iw_qp *qp = p;
-
- t4_disable_wq_db(&qp->wq);
- return 0;
-}
-
static void stop_queues(struct uld_ctx *ctx)
{
- unsigned long flags;
+ struct c4iw_qp *qp;
+ unsigned long index, flags;
- spin_lock_irqsave(&ctx->dev->lock, flags);
+ xa_lock_irqsave(&ctx->dev->qps, flags);
ctx->dev->rdev.stats.db_state_transitions++;
ctx->dev->db_state = STOPPED;
- if (ctx->dev->rdev.flags & T4_STATUS_PAGE_DISABLED)
- idr_for_each(&ctx->dev->qpidr, disable_qp_db, NULL);
- else
+ if (ctx->dev->rdev.flags & T4_STATUS_PAGE_DISABLED) {
+ xa_for_each(&ctx->dev->qps, index, qp)
+ t4_disable_wq_db(&qp->wq);
+ } else {
ctx->dev->rdev.status_page->db_off = 1;
- spin_unlock_irqrestore(&ctx->dev->lock, flags);
-}
-
-static int enable_qp_db(int id, void *p, void *data)
-{
- struct c4iw_qp *qp = p;
-
- t4_enable_wq_db(&qp->wq);
- return 0;
+ }
+ xa_unlock_irqrestore(&ctx->dev->qps, flags);
}
static void resume_rc_qp(struct c4iw_qp *qp)
static void resume_queues(struct uld_ctx *ctx)
{
- spin_lock_irq(&ctx->dev->lock);
+ xa_lock_irq(&ctx->dev->qps);
if (ctx->dev->db_state != STOPPED)
goto out;
ctx->dev->db_state = FLOW_CONTROL;
while (1) {
if (list_empty(&ctx->dev->db_fc_list)) {
+ struct c4iw_qp *qp;
+ unsigned long index;
+
WARN_ON(ctx->dev->db_state != FLOW_CONTROL);
ctx->dev->db_state = NORMAL;
ctx->dev->rdev.stats.db_state_transitions++;
if (ctx->dev->rdev.flags & T4_STATUS_PAGE_DISABLED) {
- idr_for_each(&ctx->dev->qpidr, enable_qp_db,
- NULL);
+ xa_for_each(&ctx->dev->qps, index, qp)
+ t4_enable_wq_db(&qp->wq);
} else {
ctx->dev->rdev.status_page->db_off = 0;
}
resume_a_chunk(ctx);
}
if (!list_empty(&ctx->dev->db_fc_list)) {
- spin_unlock_irq(&ctx->dev->lock);
+ xa_unlock_irq(&ctx->dev->qps);
if (DB_FC_RESUME_DELAY) {
set_current_state(TASK_UNINTERRUPTIBLE);
schedule_timeout(DB_FC_RESUME_DELAY);
}
- spin_lock_irq(&ctx->dev->lock);
+ xa_lock_irq(&ctx->dev->qps);
if (ctx->dev->db_state != FLOW_CONTROL)
break;
}
out:
if (ctx->dev->db_state != NORMAL)
ctx->dev->rdev.stats.db_fc_interruptions++;
- spin_unlock_irq(&ctx->dev->lock);
+ xa_unlock_irq(&ctx->dev->qps);
}
struct qp_list {
struct c4iw_qp **qps;
};
-static int add_and_ref_qp(int id, void *p, void *data)
-{
- struct qp_list *qp_listp = data;
- struct c4iw_qp *qp = p;
-
- c4iw_qp_add_ref(&qp->ibqp);
- qp_listp->qps[qp_listp->idx++] = qp;
- return 0;
-}
-
-static int count_qps(int id, void *p, void *data)
-{
- unsigned *countp = data;
- (*countp)++;
- return 0;
-}
-
static void deref_qps(struct qp_list *qp_list)
{
int idx;
for (idx = 0; idx < qp_list->idx; idx++) {
struct c4iw_qp *qp = qp_list->qps[idx];
- spin_lock_irq(&qp->rhp->lock);
+ xa_lock_irq(&qp->rhp->qps);
spin_lock(&qp->lock);
ret = cxgb4_sync_txq_pidx(qp->rhp->rdev.lldi.ports[0],
qp->wq.sq.qid,
pr_err("%s: Fatal error - DB overflow recovery failed - error syncing SQ qid %u\n",
pci_name(ctx->lldi.pdev), qp->wq.sq.qid);
spin_unlock(&qp->lock);
- spin_unlock_irq(&qp->rhp->lock);
+ xa_unlock_irq(&qp->rhp->qps);
return;
}
qp->wq.sq.wq_pidx_inc = 0;
pr_err("%s: Fatal error - DB overflow recovery failed - error syncing RQ qid %u\n",
pci_name(ctx->lldi.pdev), qp->wq.rq.qid);
spin_unlock(&qp->lock);
- spin_unlock_irq(&qp->rhp->lock);
+ xa_unlock_irq(&qp->rhp->qps);
return;
}
qp->wq.rq.wq_pidx_inc = 0;
spin_unlock(&qp->lock);
- spin_unlock_irq(&qp->rhp->lock);
+ xa_unlock_irq(&qp->rhp->qps);
/* Wait for the dbfifo to drain */
while (cxgb4_dbfifo_count(qp->rhp->rdev.lldi.ports[0], 1) > 0) {
static void recover_queues(struct uld_ctx *ctx)
{
+ struct c4iw_qp *qp;
+ unsigned long index;
int count = 0;
struct qp_list qp_list;
int ret;
}
/* Count active queues so we can build a list of queues to recover */
- spin_lock_irq(&ctx->dev->lock);
+ xa_lock_irq(&ctx->dev->qps);
WARN_ON(ctx->dev->db_state != STOPPED);
ctx->dev->db_state = RECOVERY;
- idr_for_each(&ctx->dev->qpidr, count_qps, &count);
+ xa_for_each(&ctx->dev->qps, index, qp)
+ count++;
qp_list.qps = kcalloc(count, sizeof(*qp_list.qps), GFP_ATOMIC);
if (!qp_list.qps) {
- spin_unlock_irq(&ctx->dev->lock);
+ xa_unlock_irq(&ctx->dev->qps);
return;
}
qp_list.idx = 0;
/* add and ref each qp so it doesn't get freed */
- idr_for_each(&ctx->dev->qpidr, add_and_ref_qp, &qp_list);
+ xa_for_each(&ctx->dev->qps, index, qp) {
+ c4iw_qp_add_ref(&qp->ibqp);
+ qp_list.qps[qp_list.idx++] = qp;
+ }
- spin_unlock_irq(&ctx->dev->lock);
+ xa_unlock_irq(&ctx->dev->qps);
/* now traverse the list in a safe context to recover the db state*/
recover_lost_dbs(ctx, &qp_list);
deref_qps(&qp_list);
kfree(qp_list.qps);
- spin_lock_irq(&ctx->dev->lock);
+ xa_lock_irq(&ctx->dev->qps);
WARN_ON(ctx->dev->db_state != RECOVERY);
ctx->dev->db_state = STOPPED;
- spin_unlock_irq(&ctx->dev->lock);
+ xa_unlock_irq(&ctx->dev->qps);
}
static int c4iw_uld_control(void *handle, enum cxgb4_control control, ...)
struct c4iw_qp *qhp;
u32 cqid;
- spin_lock_irq(&dev->lock);
- qhp = get_qhp(dev, CQE_QPID(err_cqe));
+ xa_lock_irq(&dev->qps);
+ qhp = xa_load(&dev->qps, CQE_QPID(err_cqe));
if (!qhp) {
pr_err("BAD AE qpid 0x%x opcode %d status 0x%x type %d wrid.hi 0x%x wrid.lo 0x%x\n",
CQE_QPID(err_cqe),
CQE_OPCODE(err_cqe), CQE_STATUS(err_cqe),
CQE_TYPE(err_cqe), CQE_WRID_HI(err_cqe),
CQE_WRID_LOW(err_cqe));
- spin_unlock_irq(&dev->lock);
+ xa_unlock_irq(&dev->qps);
goto out;
}
CQE_OPCODE(err_cqe), CQE_STATUS(err_cqe),
CQE_TYPE(err_cqe), CQE_WRID_HI(err_cqe),
CQE_WRID_LOW(err_cqe));
- spin_unlock_irq(&dev->lock);
+ xa_unlock_irq(&dev->qps);
goto out;
}
c4iw_qp_add_ref(&qhp->ibqp);
atomic_inc(&chp->refcnt);
- spin_unlock_irq(&dev->lock);
+ xa_unlock_irq(&dev->qps);
/* Bad incoming write */
if (RQ_TYPE(err_cqe) &&
struct c4iw_cq *chp;
unsigned long flag;
- spin_lock_irqsave(&dev->lock, flag);
- chp = get_chp(dev, qid);
+ xa_lock_irqsave(&dev->cqs, flag);
+ chp = xa_load(&dev->cqs, qid);
if (chp) {
atomic_inc(&chp->refcnt);
- spin_unlock_irqrestore(&dev->lock, flag);
+ xa_unlock_irqrestore(&dev->cqs, flag);
t4_clear_cq_armed(&chp->cq);
spin_lock_irqsave(&chp->comp_handler_lock, flag);
(*chp->ibcq.comp_handler)(&chp->ibcq, chp->ibcq.cq_context);
wake_up(&chp->wait);
} else {
pr_debug("unknown cqid 0x%x\n", qid);
- spin_unlock_irqrestore(&dev->lock, flag);
+ xa_unlock_irqrestore(&dev->cqs, flag);
}
return 0;
}
#include <linux/mutex.h>
#include <linux/list.h>
#include <linux/spinlock.h>
-#include <linux/idr.h>
+#include <linux/xarray.h>
#include <linux/completion.h>
#include <linux/netdevice.h>
#include <linux/sched/mm.h>
struct ib_device ibdev;
struct c4iw_rdev rdev;
u32 device_cap_flags;
- struct idr cqidr;
- struct idr qpidr;
- struct idr mmidr;
- spinlock_t lock;
+ struct xarray cqs;
+ struct xarray qps;
+ struct xarray mrs;
struct mutex db_mutex;
struct dentry *debugfs_root;
enum db_state db_state;
- struct idr hwtid_idr;
- struct idr atid_idr;
- struct idr stid_idr;
+ struct xarray hwtids;
+ struct xarray atids;
+ struct xarray stids;
struct list_head db_fc_list;
u32 avail_ird;
wait_queue_head_t wait;
static inline struct c4iw_cq *get_chp(struct c4iw_dev *rhp, u32 cqid)
{
- return idr_find(&rhp->cqidr, cqid);
+ return xa_load(&rhp->cqs, cqid);
}
static inline struct c4iw_qp *get_qhp(struct c4iw_dev *rhp, u32 qpid)
{
- return idr_find(&rhp->qpidr, qpid);
-}
-
-static inline struct c4iw_mr *get_mhp(struct c4iw_dev *rhp, u32 mmid)
-{
- return idr_find(&rhp->mmidr, mmid);
-}
-
-static inline int _insert_handle(struct c4iw_dev *rhp, struct idr *idr,
- void *handle, u32 id, int lock)
-{
- int ret;
-
- if (lock) {
- idr_preload(GFP_KERNEL);
- spin_lock_irq(&rhp->lock);
- }
-
- ret = idr_alloc(idr, handle, id, id + 1, GFP_ATOMIC);
-
- if (lock) {
- spin_unlock_irq(&rhp->lock);
- idr_preload_end();
- }
-
- return ret < 0 ? ret : 0;
-}
-
-static inline int insert_handle(struct c4iw_dev *rhp, struct idr *idr,
- void *handle, u32 id)
-{
- return _insert_handle(rhp, idr, handle, id, 1);
-}
-
-static inline int insert_handle_nolock(struct c4iw_dev *rhp, struct idr *idr,
- void *handle, u32 id)
-{
- return _insert_handle(rhp, idr, handle, id, 0);
-}
-
-static inline void _remove_handle(struct c4iw_dev *rhp, struct idr *idr,
- u32 id, int lock)
-{
- if (lock)
- spin_lock_irq(&rhp->lock);
- idr_remove(idr, id);
- if (lock)
- spin_unlock_irq(&rhp->lock);
-}
-
-static inline void remove_handle(struct c4iw_dev *rhp, struct idr *idr, u32 id)
-{
- _remove_handle(rhp, idr, id, 1);
-}
-
-static inline void remove_handle_nolock(struct c4iw_dev *rhp,
- struct idr *idr, u32 id)
-{
- _remove_handle(rhp, idr, id, 0);
+ return xa_load(&rhp->qps, qpid);
}
extern uint c4iw_max_read_depth;
int c4iw_reject_cr(struct iw_cm_id *cm_id, const void *pdata, u8 pdata_len);
void c4iw_qp_add_ref(struct ib_qp *qp);
void c4iw_qp_rem_ref(struct ib_qp *qp);
-struct ib_mr *c4iw_alloc_mr(struct ib_pd *pd,
- enum ib_mr_type mr_type,
- u32 max_num_sg);
+struct ib_mr *c4iw_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,
+ u32 max_num_sg, struct ib_udata *udata);
int c4iw_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents,
unsigned int *sg_offset);
int c4iw_dealloc_mw(struct ib_mw *mw);
u64 length, u64 virt, int acc,
struct ib_udata *udata);
struct ib_mr *c4iw_get_dma_mr(struct ib_pd *pd, int acc);
-int c4iw_dereg_mr(struct ib_mr *ib_mr);
-int c4iw_destroy_cq(struct ib_cq *ib_cq);
+int c4iw_dereg_mr(struct ib_mr *ib_mr, struct ib_udata *udata);
+int c4iw_destroy_cq(struct ib_cq *ib_cq, struct ib_udata *udata);
struct ib_cq *c4iw_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,
- struct ib_ucontext *ib_context,
struct ib_udata *udata);
int c4iw_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags flags);
int c4iw_modify_srq(struct ib_srq *ib_srq, struct ib_srq_attr *attr,
enum ib_srq_attr_mask srq_attr_mask,
struct ib_udata *udata);
-int c4iw_destroy_srq(struct ib_srq *ib_srq);
-struct ib_srq *c4iw_create_srq(struct ib_pd *pd,
- struct ib_srq_init_attr *attrs,
- struct ib_udata *udata);
-int c4iw_destroy_qp(struct ib_qp *ib_qp);
+void c4iw_destroy_srq(struct ib_srq *ib_srq, struct ib_udata *udata);
+int c4iw_create_srq(struct ib_srq *srq, struct ib_srq_init_attr *attrs,
+ struct ib_udata *udata);
+int c4iw_destroy_qp(struct ib_qp *ib_qp, struct ib_udata *udata);
struct ib_qp *c4iw_create_qp(struct ib_pd *pd,
struct ib_qp_init_attr *attrs,
struct ib_udata *udata);
mhp->ibmr.iova = mhp->attr.va_fbo;
mhp->ibmr.page_size = 1U << (mhp->attr.page_size + 12);
pr_debug("mmid 0x%x mhp %p\n", mmid, mhp);
- return insert_handle(mhp->rhp, &mhp->rhp->mmidr, mhp, mmid);
+ return xa_insert_irq(&mhp->rhp->mrs, mmid, mhp, GFP_KERNEL);
}
static int register_mem(struct c4iw_dev *rhp, struct c4iw_pd *php,
shift = PAGE_SHIFT;
- n = mhp->umem->nmap;
+ n = ib_umem_num_pages(mhp->umem);
err = alloc_pbl(mhp, n);
if (err)
goto err_umem_release;
mhp->attr.stag = stag;
mmid = (stag) >> 8;
mhp->ibmw.rkey = stag;
- if (insert_handle(rhp, &rhp->mmidr, mhp, mmid)) {
+ if (xa_insert_irq(&rhp->mrs, mmid, mhp, GFP_KERNEL)) {
ret = -ENOMEM;
goto dealloc_win;
}
mhp = to_c4iw_mw(mw);
rhp = mhp->rhp;
mmid = (mw->rkey) >> 8;
- remove_handle(rhp, &rhp->mmidr, mmid);
+ xa_erase_irq(&rhp->mrs, mmid);
deallocate_window(&rhp->rdev, mhp->attr.stag, mhp->dereg_skb,
mhp->wr_waitp);
kfree_skb(mhp->dereg_skb);
return 0;
}
-struct ib_mr *c4iw_alloc_mr(struct ib_pd *pd,
- enum ib_mr_type mr_type,
- u32 max_num_sg)
+struct ib_mr *c4iw_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,
+ u32 max_num_sg, struct ib_udata *udata)
{
struct c4iw_dev *rhp;
struct c4iw_pd *php;
mhp->attr.state = 0;
mmid = (stag) >> 8;
mhp->ibmr.rkey = mhp->ibmr.lkey = stag;
- if (insert_handle(rhp, &rhp->mmidr, mhp, mmid)) {
+ if (xa_insert_irq(&rhp->mrs, mmid, mhp, GFP_KERNEL)) {
ret = -ENOMEM;
goto err_dereg;
}
return ib_sg_to_pages(ibmr, sg, sg_nents, sg_offset, c4iw_set_page);
}
-int c4iw_dereg_mr(struct ib_mr *ib_mr)
+int c4iw_dereg_mr(struct ib_mr *ib_mr, struct ib_udata *udata)
{
struct c4iw_dev *rhp;
struct c4iw_mr *mhp;
mhp = to_c4iw_mr(ib_mr);
rhp = mhp->rhp;
mmid = mhp->attr.stag >> 8;
- remove_handle(rhp, &rhp->mmidr, mmid);
+ xa_erase_irq(&rhp->mrs, mmid);
if (mhp->mpl)
dma_free_coherent(&mhp->rhp->rdev.lldi.pdev->dev,
mhp->max_mpl_len, mhp->mpl, mhp->mpl_addr);
struct c4iw_mr *mhp;
unsigned long flags;
- spin_lock_irqsave(&rhp->lock, flags);
- mhp = get_mhp(rhp, rkey >> 8);
+ xa_lock_irqsave(&rhp->mrs, flags);
+ mhp = xa_load(&rhp->mrs, rkey >> 8);
if (mhp)
mhp->attr.state = 0;
- spin_unlock_irqrestore(&rhp->lock, flags);
+ xa_unlock_irqrestore(&rhp->mrs, flags);
}
return ret;
}
-static void c4iw_deallocate_pd(struct ib_pd *pd)
+static void c4iw_deallocate_pd(struct ib_pd *pd, struct ib_udata *udata)
{
struct c4iw_dev *rhp;
struct c4iw_pd *php;
mutex_unlock(&rhp->rdev.stats.lock);
}
-static int c4iw_allocate_pd(struct ib_pd *pd, struct ib_ucontext *context,
- struct ib_udata *udata)
+static int c4iw_allocate_pd(struct ib_pd *pd, struct ib_udata *udata)
{
struct c4iw_pd *php = to_c4iw_pd(pd);
struct ib_device *ibdev = pd->device;
php->pdid = pdid;
php->rhp = rhp;
- if (context) {
+ if (udata) {
struct c4iw_alloc_pd_resp uresp = {.pdid = php->pdid};
if (ib_copy_to_udata(udata, &uresp, sizeof(uresp))) {
- c4iw_deallocate_pd(&php->ibpd);
+ c4iw_deallocate_pd(&php->ibpd, udata);
return -EFAULT;
}
}
FW_HDR_FW_VER_BUILD_G(c4iw_dev->rdev.lldi.fw_vers));
}
-static struct net_device *get_netdev(struct ib_device *dev, u8 port)
-{
- struct c4iw_dev *c4iw_dev = container_of(dev, struct c4iw_dev, ibdev);
- struct c4iw_rdev *rdev = &c4iw_dev->rdev;
- struct net_device *ndev;
-
- if (!port || port > rdev->lldi.nports)
- return NULL;
-
- rcu_read_lock();
- ndev = rdev->lldi.ports[port - 1];
- if (ndev)
- dev_hold(ndev);
- rcu_read_unlock();
-
- return ndev;
-}
-
static int fill_res_entry(struct sk_buff *msg, struct rdma_restrack_entry *res)
{
return (res->type < ARRAY_SIZE(c4iw_restrack_funcs) &&
.get_dev_fw_str = get_dev_fw_str,
.get_dma_mr = c4iw_get_dma_mr,
.get_hw_stats = c4iw_get_mib,
- .get_netdev = get_netdev,
.get_port_immutable = c4iw_port_immutable,
+ .iw_accept = c4iw_accept_cr,
+ .iw_add_ref = c4iw_qp_add_ref,
+ .iw_connect = c4iw_connect,
+ .iw_create_listen = c4iw_create_listen,
+ .iw_destroy_listen = c4iw_destroy_listen,
+ .iw_get_qp = c4iw_get_qp,
+ .iw_reject = c4iw_reject_cr,
+ .iw_rem_ref = c4iw_qp_rem_ref,
.map_mr_sg = c4iw_map_mr_sg,
.mmap = c4iw_mmap,
.modify_qp = c4iw_ib_modify_qp,
.reg_user_mr = c4iw_reg_user_mr,
.req_notify_cq = c4iw_arm_cq,
INIT_RDMA_OBJ_SIZE(ib_pd, c4iw_pd, ibpd),
+ INIT_RDMA_OBJ_SIZE(ib_srq, c4iw_srq, ibsrq),
INIT_RDMA_OBJ_SIZE(ib_ucontext, c4iw_ucontext, ibucontext),
};
+static int set_netdevs(struct ib_device *ib_dev, struct c4iw_rdev *rdev)
+{
+ int ret;
+ int i;
+
+ for (i = 0; i < rdev->lldi.nports; i++) {
+ ret = ib_device_set_netdev(ib_dev, rdev->lldi.ports[i],
+ i + 1);
+ if (ret)
+ return ret;
+ }
+ return 0;
+}
+
void c4iw_register_device(struct work_struct *work)
{
int ret;
dev->ibdev.dev.parent = &dev->rdev.lldi.pdev->dev;
dev->ibdev.uverbs_abi_ver = C4IW_UVERBS_ABI_VERSION;
- dev->ibdev.iwcm = kzalloc(sizeof(struct iw_cm_verbs), GFP_KERNEL);
- if (!dev->ibdev.iwcm) {
- ret = -ENOMEM;
- goto err_dealloc_ctx;
- }
-
- dev->ibdev.iwcm->connect = c4iw_connect;
- dev->ibdev.iwcm->accept = c4iw_accept_cr;
- dev->ibdev.iwcm->reject = c4iw_reject_cr;
- dev->ibdev.iwcm->create_listen = c4iw_create_listen;
- dev->ibdev.iwcm->destroy_listen = c4iw_destroy_listen;
- dev->ibdev.iwcm->add_ref = c4iw_qp_add_ref;
- dev->ibdev.iwcm->rem_ref = c4iw_qp_rem_ref;
- dev->ibdev.iwcm->get_qp = c4iw_get_qp;
- memcpy(dev->ibdev.iwcm->ifname, dev->rdev.lldi.ports[0]->name,
- sizeof(dev->ibdev.iwcm->ifname));
+ memcpy(dev->ibdev.iw_ifname, dev->rdev.lldi.ports[0]->name,
+ sizeof(dev->ibdev.iw_ifname));
rdma_set_device_sysfs_group(&dev->ibdev, &c4iw_attr_group);
dev->ibdev.driver_id = RDMA_DRIVER_CXGB4;
ib_set_device_ops(&dev->ibdev, &c4iw_dev_ops);
+ ret = set_netdevs(&dev->ibdev, &dev->rdev);
+ if (ret)
+ goto err_dealloc_ctx;
ret = ib_register_device(&dev->ibdev, "cxgb4_%d");
if (ret)
- goto err_kfree_iwcm;
+ goto err_dealloc_ctx;
return;
-err_kfree_iwcm:
- kfree(dev->ibdev.iwcm);
err_dealloc_ctx:
pr_err("%s - Failed registering iwarp device: %d\n",
pci_name(ctx->lldi.pdev), ret);
{
pr_debug("c4iw_dev %p\n", dev);
ib_unregister_device(&dev->ibdev);
- kfree(dev->ibdev.iwcm);
return;
}
static int max_fr_immd = T4_MAX_FR_IMMD;
module_param(max_fr_immd, int, 0644);
-MODULE_PARM_DESC(max_fr_immd, "fastreg threshold for using DSGL instead of immedate");
+MODULE_PARM_DESC(max_fr_immd, "fastreg threshold for using DSGL instead of immediate");
static int alloc_ird(struct c4iw_dev *dev, u32 ird)
{
int ret = 0;
- spin_lock_irq(&dev->lock);
+ xa_lock_irq(&dev->qps);
if (ird <= dev->avail_ird)
dev->avail_ird -= ird;
else
ret = -ENOMEM;
- spin_unlock_irq(&dev->lock);
+ xa_unlock_irq(&dev->qps);
if (ret)
dev_warn(&dev->rdev.lldi.pdev->dev,
static void free_ird(struct c4iw_dev *dev, int ird)
{
- spin_lock_irq(&dev->lock);
+ xa_lock_irq(&dev->qps);
dev->avail_ird += ird;
- spin_unlock_irq(&dev->lock);
+ xa_unlock_irq(&dev->qps);
}
static void set_state(struct c4iw_qp *qhp, enum c4iw_qp_state state)
{
unsigned long flags;
- spin_lock_irqsave(&qhp->rhp->lock, flags);
+ xa_lock_irqsave(&qhp->rhp->qps, flags);
spin_lock(&qhp->lock);
if (qhp->rhp->db_state == NORMAL)
t4_ring_sq_db(&qhp->wq, inc, NULL);
qhp->wq.sq.wq_pidx_inc += inc;
}
spin_unlock(&qhp->lock);
- spin_unlock_irqrestore(&qhp->rhp->lock, flags);
+ xa_unlock_irqrestore(&qhp->rhp->qps, flags);
return 0;
}
{
unsigned long flags;
- spin_lock_irqsave(&qhp->rhp->lock, flags);
+ xa_lock_irqsave(&qhp->rhp->qps, flags);
spin_lock(&qhp->lock);
if (qhp->rhp->db_state == NORMAL)
t4_ring_rq_db(&qhp->wq, inc, NULL);
qhp->wq.rq.wq_pidx_inc += inc;
}
spin_unlock(&qhp->lock);
- spin_unlock_irqrestore(&qhp->rhp->lock, flags);
+ xa_unlock_irqrestore(&qhp->rhp->qps, flags);
return 0;
}
qhp->attr.layer_etype = attrs->layer_etype;
qhp->attr.ecode = attrs->ecode;
ep = qhp->ep;
+ c4iw_get_ep(&ep->com);
+ disconnect = 1;
if (!internal) {
- c4iw_get_ep(&qhp->ep->com);
terminate = 1;
- disconnect = 1;
} else {
terminate = qhp->attr.send_term;
ret = rdma_fini(rhp, qhp, ep);
return ret;
}
-int c4iw_destroy_qp(struct ib_qp *ib_qp)
+int c4iw_destroy_qp(struct ib_qp *ib_qp, struct ib_udata *udata)
{
struct c4iw_dev *rhp;
struct c4iw_qp *qhp;
c4iw_modify_qp(rhp, qhp, C4IW_QP_ATTR_NEXT_STATE, &attrs, 0);
wait_event(qhp->wait, !qhp->ep);
- remove_handle(rhp, &rhp->qpidr, qhp->wq.sq.qid);
-
- spin_lock_irq(&rhp->lock);
+ xa_lock_irq(&rhp->qps);
+ __xa_erase(&rhp->qps, qhp->wq.sq.qid);
if (!list_empty(&qhp->db_fc_entry))
list_del_init(&qhp->db_fc_entry);
- spin_unlock_irq(&rhp->lock);
+ xa_unlock_irq(&rhp->qps);
free_ird(rhp, qhp->attr.max_ird);
c4iw_qp_rem_ref(ib_qp);
kref_init(&qhp->kref);
INIT_WORK(&qhp->free_work, free_qp_work);
- ret = insert_handle(rhp, &rhp->qpidr, qhp, qhp->wq.sq.qid);
+ ret = xa_insert_irq(&rhp->qps, qhp->wq.sq.qid, qhp, GFP_KERNEL);
if (ret)
goto err_destroy_qp;
err_free_sq_key:
kfree(sq_key_mm);
err_remove_handle:
- remove_handle(rhp, &rhp->qpidr, qhp->wq.sq.qid);
+ xa_erase_irq(&rhp->qps, qhp->wq.sq.qid);
err_destroy_qp:
destroy_qp(&rhp->rdev, &qhp->wq,
ucontext ? &ucontext->uctx : &rhp->rdev.uctx, !attrs->srq);
}
}
-struct ib_srq *c4iw_create_srq(struct ib_pd *pd, struct ib_srq_init_attr *attrs,
+int c4iw_create_srq(struct ib_srq *ib_srq, struct ib_srq_init_attr *attrs,
struct ib_udata *udata)
{
+ struct ib_pd *pd = ib_srq->pd;
struct c4iw_dev *rhp;
- struct c4iw_srq *srq;
+ struct c4iw_srq *srq = to_c4iw_srq(ib_srq);
struct c4iw_pd *php;
struct c4iw_create_srq_resp uresp;
struct c4iw_ucontext *ucontext;
rhp = php->rhp;
if (!rhp->rdev.lldi.vr->srq.size)
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
if (attrs->attr.max_wr > rhp->rdev.hw_queue.t4_max_rq_size)
- return ERR_PTR(-E2BIG);
+ return -E2BIG;
if (attrs->attr.max_sge > T4_MAX_RECV_SGE)
- return ERR_PTR(-E2BIG);
+ return -E2BIG;
/*
* SRQ RQT and RQ must be a power of 2 and at least 16 deep.
ucontext = rdma_udata_to_drv_context(udata, struct c4iw_ucontext,
ibucontext);
- srq = kzalloc(sizeof(*srq), GFP_KERNEL);
- if (!srq)
- return ERR_PTR(-ENOMEM);
-
srq->wr_waitp = c4iw_alloc_wr_wait(GFP_KERNEL);
- if (!srq->wr_waitp) {
- ret = -ENOMEM;
- goto err_free_srq;
- }
+ if (!srq->wr_waitp)
+ return -ENOMEM;
srq->idx = c4iw_alloc_srq_idx(&rhp->rdev);
if (srq->idx < 0) {
if (CHELSIO_CHIP_VERSION(rhp->rdev.lldi.adapter_type) > CHELSIO_T6)
srq->flags = T4_SRQ_LIMIT_SUPPORT;
- ret = insert_handle(rhp, &rhp->qpidr, srq, srq->wq.qid);
+ ret = xa_insert_irq(&rhp->qps, srq->wq.qid, srq, GFP_KERNEL);
if (ret)
goto err_free_queue;
(unsigned long)srq->wq.memsize, attrs->attr.max_wr);
spin_lock_init(&srq->lock);
- return &srq->ibsrq;
+ return 0;
+
err_free_srq_db_key_mm:
kfree(srq_db_key_mm);
err_free_srq_key_mm:
kfree(srq_key_mm);
err_remove_handle:
- remove_handle(rhp, &rhp->qpidr, srq->wq.qid);
+ xa_erase_irq(&rhp->qps, srq->wq.qid);
err_free_queue:
free_srq_queue(srq, ucontext ? &ucontext->uctx : &rhp->rdev.uctx,
srq->wr_waitp);
c4iw_free_srq_idx(&rhp->rdev, srq->idx);
err_free_wr_wait:
c4iw_put_wr_wait(srq->wr_waitp);
-err_free_srq:
- kfree(srq);
- return ERR_PTR(ret);
+ return ret;
}
-int c4iw_destroy_srq(struct ib_srq *ibsrq)
+void c4iw_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata)
{
struct c4iw_dev *rhp;
struct c4iw_srq *srq;
pr_debug("%s id %d\n", __func__, srq->wq.qid);
- remove_handle(rhp, &rhp->qpidr, srq->wq.qid);
- ucontext = ibsrq->uobject ?
- to_c4iw_ucontext(ibsrq->uobject->context) : NULL;
+ xa_erase_irq(&rhp->qps, srq->wq.qid);
+ ucontext = rdma_udata_to_drv_context(udata, struct c4iw_ucontext,
+ ibucontext);
free_srq_queue(srq, ucontext ? &ucontext->uctx : &rhp->rdev.uctx,
srq->wr_waitp);
c4iw_free_srq_idx(&rhp->rdev, srq->idx);
c4iw_put_wr_wait(srq->wr_waitp);
- kfree(srq);
- return 0;
}
--- /dev/null
+# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
+# Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All rights reserved.
+#
+# Amazon fabric device configuration
+#
+
+config INFINIBAND_EFA
+ tristate "Amazon Elastic Fabric Adapter (EFA) support"
+ depends on PCI_MSI && 64BIT && !CPU_BIG_ENDIAN
+ depends on INFINIBAND_USER_ACCESS
+ help
+ This driver supports Amazon Elastic Fabric Adapter (EFA).
+
+ To compile this driver as a module, choose M here.
+ The module will be called efa.
--- /dev/null
+# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
+# Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All rights reserved.
+#
+# Makefile for Amazon Elastic Fabric Adapter (EFA) device driver.
+#
+
+obj-$(CONFIG_INFINIBAND_EFA) += efa.o
+
+efa-y := efa_com_cmd.o efa_com.o efa_main.o efa_verbs.o
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
+/*
+ * Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All rights reserved.
+ */
+
+#ifndef _EFA_H_
+#define _EFA_H_
+
+#include <linux/bitops.h>
+#include <linux/idr.h>
+#include <linux/interrupt.h>
+#include <linux/pci.h>
+#include <linux/sched.h>
+
+#include <rdma/efa-abi.h>
+#include <rdma/ib_verbs.h>
+
+#include "efa_com_cmd.h"
+
+#define DRV_MODULE_NAME "efa"
+#define DEVICE_NAME "Elastic Fabric Adapter (EFA)"
+
+#define EFA_IRQNAME_SIZE 40
+
+/* 1 for AENQ + ADMIN */
+#define EFA_NUM_MSIX_VEC 1
+#define EFA_MGMNT_MSIX_VEC_IDX 0
+
+struct efa_irq {
+ irq_handler_t handler;
+ void *data;
+ int cpu;
+ u32 vector;
+ cpumask_t affinity_hint_mask;
+ char name[EFA_IRQNAME_SIZE];
+};
+
+struct efa_sw_stats {
+ atomic64_t alloc_pd_err;
+ atomic64_t create_qp_err;
+ atomic64_t create_cq_err;
+ atomic64_t reg_mr_err;
+ atomic64_t alloc_ucontext_err;
+ atomic64_t create_ah_err;
+};
+
+/* Don't use anything other than atomic64 */
+struct efa_stats {
+ struct efa_sw_stats sw_stats;
+ atomic64_t keep_alive_rcvd;
+};
+
+struct efa_dev {
+ struct ib_device ibdev;
+ struct efa_com_dev edev;
+ struct pci_dev *pdev;
+ struct efa_com_get_device_attr_result dev_attr;
+
+ u64 reg_bar_addr;
+ u64 reg_bar_len;
+ u64 mem_bar_addr;
+ u64 mem_bar_len;
+ u64 db_bar_addr;
+ u64 db_bar_len;
+ u8 addr[EFA_GID_SIZE];
+ u32 mtu;
+
+ int admin_msix_vector_idx;
+ struct efa_irq admin_irq;
+
+ struct efa_stats stats;
+};
+
+struct efa_ucontext {
+ struct ib_ucontext ibucontext;
+ struct xarray mmap_xa;
+ u32 mmap_xa_page;
+ u16 uarn;
+};
+
+struct efa_pd {
+ struct ib_pd ibpd;
+ u16 pdn;
+};
+
+struct efa_mr {
+ struct ib_mr ibmr;
+ struct ib_umem *umem;
+};
+
+struct efa_cq {
+ struct ib_cq ibcq;
+ struct efa_ucontext *ucontext;
+ dma_addr_t dma_addr;
+ void *cpu_addr;
+ size_t size;
+ u16 cq_idx;
+};
+
+struct efa_qp {
+ struct ib_qp ibqp;
+ dma_addr_t rq_dma_addr;
+ void *rq_cpu_addr;
+ size_t rq_size;
+ enum ib_qp_state state;
+ u32 qp_handle;
+ u32 max_send_wr;
+ u32 max_recv_wr;
+ u32 max_send_sge;
+ u32 max_recv_sge;
+ u32 max_inline_data;
+};
+
+struct efa_ah {
+ struct ib_ah ibah;
+ u16 ah;
+ /* dest_addr */
+ u8 id[EFA_GID_SIZE];
+};
+
+int efa_query_device(struct ib_device *ibdev,
+ struct ib_device_attr *props,
+ struct ib_udata *udata);
+int efa_query_port(struct ib_device *ibdev, u8 port,
+ struct ib_port_attr *props);
+int efa_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr,
+ int qp_attr_mask,
+ struct ib_qp_init_attr *qp_init_attr);
+int efa_query_gid(struct ib_device *ibdev, u8 port, int index,
+ union ib_gid *gid);
+int efa_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
+ u16 *pkey);
+int efa_alloc_pd(struct ib_pd *ibpd, struct ib_udata *udata);
+void efa_dealloc_pd(struct ib_pd *ibpd, struct ib_udata *udata);
+int efa_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata);
+struct ib_qp *efa_create_qp(struct ib_pd *ibpd,
+ struct ib_qp_init_attr *init_attr,
+ struct ib_udata *udata);
+int efa_destroy_cq(struct ib_cq *ibcq, struct ib_udata *udata);
+struct ib_cq *efa_create_cq(struct ib_device *ibdev,
+ const struct ib_cq_init_attr *attr,
+ struct ib_udata *udata);
+struct ib_mr *efa_reg_mr(struct ib_pd *ibpd, u64 start, u64 length,
+ u64 virt_addr, int access_flags,
+ struct ib_udata *udata);
+int efa_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata);
+int efa_get_port_immutable(struct ib_device *ibdev, u8 port_num,
+ struct ib_port_immutable *immutable);
+int efa_alloc_ucontext(struct ib_ucontext *ibucontext, struct ib_udata *udata);
+void efa_dealloc_ucontext(struct ib_ucontext *ibucontext);
+int efa_mmap(struct ib_ucontext *ibucontext,
+ struct vm_area_struct *vma);
+int efa_create_ah(struct ib_ah *ibah,
+ struct rdma_ah_attr *ah_attr,
+ u32 flags,
+ struct ib_udata *udata);
+void efa_destroy_ah(struct ib_ah *ibah, u32 flags);
+int efa_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr,
+ int qp_attr_mask, struct ib_udata *udata);
+enum rdma_link_layer efa_port_link_layer(struct ib_device *ibdev,
+ u8 port_num);
+
+#endif /* _EFA_H_ */
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
+/*
+ * Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All rights reserved.
+ */
+
+#ifndef _EFA_ADMIN_CMDS_H_
+#define _EFA_ADMIN_CMDS_H_
+
+#define EFA_ADMIN_API_VERSION_MAJOR 0
+#define EFA_ADMIN_API_VERSION_MINOR 1
+
+/* EFA admin queue opcodes */
+enum efa_admin_aq_opcode {
+ EFA_ADMIN_CREATE_QP = 1,
+ EFA_ADMIN_MODIFY_QP = 2,
+ EFA_ADMIN_QUERY_QP = 3,
+ EFA_ADMIN_DESTROY_QP = 4,
+ EFA_ADMIN_CREATE_AH = 5,
+ EFA_ADMIN_DESTROY_AH = 6,
+ EFA_ADMIN_REG_MR = 7,
+ EFA_ADMIN_DEREG_MR = 8,
+ EFA_ADMIN_CREATE_CQ = 9,
+ EFA_ADMIN_DESTROY_CQ = 10,
+ EFA_ADMIN_GET_FEATURE = 11,
+ EFA_ADMIN_SET_FEATURE = 12,
+ EFA_ADMIN_GET_STATS = 13,
+ EFA_ADMIN_ALLOC_PD = 14,
+ EFA_ADMIN_DEALLOC_PD = 15,
+ EFA_ADMIN_ALLOC_UAR = 16,
+ EFA_ADMIN_DEALLOC_UAR = 17,
+ EFA_ADMIN_MAX_OPCODE = 17,
+};
+
+enum efa_admin_aq_feature_id {
+ EFA_ADMIN_DEVICE_ATTR = 1,
+ EFA_ADMIN_AENQ_CONFIG = 2,
+ EFA_ADMIN_NETWORK_ATTR = 3,
+ EFA_ADMIN_QUEUE_ATTR = 4,
+ EFA_ADMIN_HW_HINTS = 5,
+ EFA_ADMIN_FEATURES_OPCODE_NUM = 8,
+};
+
+/* QP transport type */
+enum efa_admin_qp_type {
+ /* Unreliable Datagram */
+ EFA_ADMIN_QP_TYPE_UD = 1,
+ /* Scalable Reliable Datagram */
+ EFA_ADMIN_QP_TYPE_SRD = 2,
+};
+
+/* QP state */
+enum efa_admin_qp_state {
+ EFA_ADMIN_QP_STATE_RESET = 0,
+ EFA_ADMIN_QP_STATE_INIT = 1,
+ EFA_ADMIN_QP_STATE_RTR = 2,
+ EFA_ADMIN_QP_STATE_RTS = 3,
+ EFA_ADMIN_QP_STATE_SQD = 4,
+ EFA_ADMIN_QP_STATE_SQE = 5,
+ EFA_ADMIN_QP_STATE_ERR = 6,
+};
+
+enum efa_admin_get_stats_type {
+ EFA_ADMIN_GET_STATS_TYPE_BASIC = 0,
+};
+
+enum efa_admin_get_stats_scope {
+ EFA_ADMIN_GET_STATS_SCOPE_ALL = 0,
+ EFA_ADMIN_GET_STATS_SCOPE_QUEUE = 1,
+};
+
+enum efa_admin_modify_qp_mask_bits {
+ EFA_ADMIN_QP_STATE_BIT = 0,
+ EFA_ADMIN_CUR_QP_STATE_BIT = 1,
+ EFA_ADMIN_QKEY_BIT = 2,
+ EFA_ADMIN_SQ_PSN_BIT = 3,
+ EFA_ADMIN_SQ_DRAINED_ASYNC_NOTIFY_BIT = 4,
+};
+
+/*
+ * QP allocation sizes, converted by fabric QueuePair (QP) create command
+ * from QP capabilities.
+ */
+struct efa_admin_qp_alloc_size {
+ /* Send descriptor ring size in bytes */
+ u32 send_queue_ring_size;
+
+ /* Max number of WQEs that can be outstanding on send queue. */
+ u32 send_queue_depth;
+
+ /*
+ * Recv descriptor ring size in bytes, sufficient for user-provided
+ * number of WQEs
+ */
+ u32 recv_queue_ring_size;
+
+ /* Max number of WQEs that can be outstanding on recv queue */
+ u32 recv_queue_depth;
+};
+
+struct efa_admin_create_qp_cmd {
+ /* Common Admin Queue descriptor */
+ struct efa_admin_aq_common_desc aq_common_desc;
+
+ /* Protection Domain associated with this QP */
+ u16 pd;
+
+ /* QP type */
+ u8 qp_type;
+
+ /*
+ * 0 : sq_virt - If set, SQ ring base address is
+ * virtual (IOVA returned by MR registration)
+ * 1 : rq_virt - If set, RQ ring base address is
+ * virtual (IOVA returned by MR registration)
+ * 7:2 : reserved - MBZ
+ */
+ u8 flags;
+
+ /*
+ * Send queue (SQ) ring base physical address. This field is not
+ * used if this is a Low Latency Queue(LLQ).
+ */
+ u64 sq_base_addr;
+
+ /* Receive queue (RQ) ring base address. */
+ u64 rq_base_addr;
+
+ /* Index of CQ to be associated with Send Queue completions */
+ u32 send_cq_idx;
+
+ /* Index of CQ to be associated with Recv Queue completions */
+ u32 recv_cq_idx;
+
+ /*
+ * Memory registration key for the SQ ring, used only when not in
+ * LLQ mode and base address is virtual
+ */
+ u32 sq_l_key;
+
+ /*
+ * Memory registration key for the RQ ring, used only when base
+ * address is virtual
+ */
+ u32 rq_l_key;
+
+ /* Requested QP allocation sizes */
+ struct efa_admin_qp_alloc_size qp_alloc_size;
+
+ /* UAR number */
+ u16 uar;
+
+ /* MBZ */
+ u16 reserved;
+
+ /* MBZ */
+ u32 reserved2;
+};
+
+struct efa_admin_create_qp_resp {
+ /* Common Admin Queue completion descriptor */
+ struct efa_admin_acq_common_desc acq_common_desc;
+
+ /* Opaque handle to be used for consequent operations on the QP */
+ u32 qp_handle;
+
+ /* QP number in the given EFA virtual device */
+ u16 qp_num;
+
+ /* MBZ */
+ u16 reserved;
+
+ /* Index of sub-CQ for Send Queue completions */
+ u16 send_sub_cq_idx;
+
+ /* Index of sub-CQ for Receive Queue completions */
+ u16 recv_sub_cq_idx;
+
+ /* SQ doorbell address, as offset to PCIe DB BAR */
+ u32 sq_db_offset;
+
+ /* RQ doorbell address, as offset to PCIe DB BAR */
+ u32 rq_db_offset;
+
+ /*
+ * low latency send queue ring base address as an offset to PCIe
+ * MMIO LLQ_MEM BAR
+ */
+ u32 llq_descriptors_offset;
+};
+
+struct efa_admin_modify_qp_cmd {
+ /* Common Admin Queue descriptor */
+ struct efa_admin_aq_common_desc aq_common_desc;
+
+ /*
+ * Mask indicating which fields should be updated see enum
+ * efa_admin_modify_qp_mask_bits
+ */
+ u32 modify_mask;
+
+ /* QP handle returned by create_qp command */
+ u32 qp_handle;
+
+ /* QP state */
+ u32 qp_state;
+
+ /* Override current QP state (before applying the transition) */
+ u32 cur_qp_state;
+
+ /* QKey */
+ u32 qkey;
+
+ /* SQ PSN */
+ u32 sq_psn;
+
+ /* Enable async notification when SQ is drained */
+ u8 sq_drained_async_notify;
+
+ /* MBZ */
+ u8 reserved1;
+
+ /* MBZ */
+ u16 reserved2;
+};
+
+struct efa_admin_modify_qp_resp {
+ /* Common Admin Queue completion descriptor */
+ struct efa_admin_acq_common_desc acq_common_desc;
+};
+
+struct efa_admin_query_qp_cmd {
+ /* Common Admin Queue descriptor */
+ struct efa_admin_aq_common_desc aq_common_desc;
+
+ /* QP handle returned by create_qp command */
+ u32 qp_handle;
+};
+
+struct efa_admin_query_qp_resp {
+ /* Common Admin Queue completion descriptor */
+ struct efa_admin_acq_common_desc acq_common_desc;
+
+ /* QP state */
+ u32 qp_state;
+
+ /* QKey */
+ u32 qkey;
+
+ /* SQ PSN */
+ u32 sq_psn;
+
+ /* Indicates that draining is in progress */
+ u8 sq_draining;
+
+ /* MBZ */
+ u8 reserved1;
+
+ /* MBZ */
+ u16 reserved2;
+};
+
+struct efa_admin_destroy_qp_cmd {
+ /* Common Admin Queue descriptor */
+ struct efa_admin_aq_common_desc aq_common_desc;
+
+ /* QP handle returned by create_qp command */
+ u32 qp_handle;
+};
+
+struct efa_admin_destroy_qp_resp {
+ /* Common Admin Queue completion descriptor */
+ struct efa_admin_acq_common_desc acq_common_desc;
+};
+
+/*
+ * Create Address Handle command parameters. Must not be called more than
+ * once for the same destination
+ */
+struct efa_admin_create_ah_cmd {
+ /* Common Admin Queue descriptor */
+ struct efa_admin_aq_common_desc aq_common_desc;
+
+ /* Destination address in network byte order */
+ u8 dest_addr[16];
+
+ /* PD number */
+ u16 pd;
+
+ u16 reserved;
+};
+
+struct efa_admin_create_ah_resp {
+ /* Common Admin Queue completion descriptor */
+ struct efa_admin_acq_common_desc acq_common_desc;
+
+ /* Target interface address handle (opaque) */
+ u16 ah;
+
+ u16 reserved;
+};
+
+struct efa_admin_destroy_ah_cmd {
+ /* Common Admin Queue descriptor */
+ struct efa_admin_aq_common_desc aq_common_desc;
+
+ /* Target interface address handle (opaque) */
+ u16 ah;
+
+ /* PD number */
+ u16 pd;
+};
+
+struct efa_admin_destroy_ah_resp {
+ /* Common Admin Queue completion descriptor */
+ struct efa_admin_acq_common_desc acq_common_desc;
+};
+
+/*
+ * Registration of MemoryRegion, required for QP working with Virtual
+ * Addresses. In standard verbs semantics, region length is limited to 2GB
+ * space, but EFA offers larger MR support for large memory space, to ease
+ * on users working with very large datasets (i.e. full GPU memory mapping).
+ */
+struct efa_admin_reg_mr_cmd {
+ /* Common Admin Queue descriptor */
+ struct efa_admin_aq_common_desc aq_common_desc;
+
+ /* Protection Domain */
+ u16 pd;
+
+ /* MBZ */
+ u16 reserved16_w1;
+
+ /* Physical Buffer List, each element is page-aligned. */
+ union {
+ /*
+ * Inline array of guest-physical page addresses of user
+ * memory pages (optimization for short region
+ * registrations)
+ */
+ u64 inline_pbl_array[4];
+
+ /* points to PBL (direct or indirect, chained if needed) */
+ struct efa_admin_ctrl_buff_info pbl;
+ } pbl;
+
+ /* Memory region length, in bytes. */
+ u64 mr_length;
+
+ /*
+ * flags and page size
+ * 4:0 : phys_page_size_shift - page size is (1 <<
+ * phys_page_size_shift). Page size is used for
+ * building the Virtual to Physical address mapping
+ * 6:5 : reserved - MBZ
+ * 7 : mem_addr_phy_mode_en - Enable bit for physical
+ * memory registration (no translation), can be used
+ * only by privileged clients. If set, PBL must
+ * contain a single entry.
+ */
+ u8 flags;
+
+ /*
+ * permissions
+ * 0 : local_write_enable - Write permissions: value
+ * of 1 needed for RQ buffers and for RDMA write
+ * 7:1 : reserved1 - remote access flags, etc
+ */
+ u8 permissions;
+
+ u16 reserved16_w5;
+
+ /* number of pages in PBL (redundant, could be calculated) */
+ u32 page_num;
+
+ /*
+ * IO Virtual Address associated with this MR. If
+ * mem_addr_phy_mode_en is set, contains the physical address of
+ * the region.
+ */
+ u64 iova;
+};
+
+struct efa_admin_reg_mr_resp {
+ /* Common Admin Queue completion descriptor */
+ struct efa_admin_acq_common_desc acq_common_desc;
+
+ /*
+ * L_Key, to be used in conjunction with local buffer references in
+ * SQ and RQ WQE, or with virtual RQ/CQ rings
+ */
+ u32 l_key;
+
+ /*
+ * R_Key, to be used in RDMA messages to refer to remotely accessed
+ * memory region
+ */
+ u32 r_key;
+};
+
+struct efa_admin_dereg_mr_cmd {
+ /* Common Admin Queue descriptor */
+ struct efa_admin_aq_common_desc aq_common_desc;
+
+ /* L_Key, memory region's l_key */
+ u32 l_key;
+};
+
+struct efa_admin_dereg_mr_resp {
+ /* Common Admin Queue completion descriptor */
+ struct efa_admin_acq_common_desc acq_common_desc;
+};
+
+struct efa_admin_create_cq_cmd {
+ struct efa_admin_aq_common_desc aq_common_desc;
+
+ /*
+ * 4:0 : reserved5
+ * 5 : interrupt_mode_enabled - if set, cq operates
+ * in interrupt mode (i.e. CQ events and MSI-X are
+ * generated), otherwise - polling
+ * 6 : virt - If set, ring base address is virtual
+ * (IOVA returned by MR registration)
+ * 7 : reserved6
+ */
+ u8 cq_caps_1;
+
+ /*
+ * 4:0 : cq_entry_size_words - size of CQ entry in
+ * 32-bit words, valid values: 4, 8.
+ * 7:5 : reserved7
+ */
+ u8 cq_caps_2;
+
+ /* completion queue depth in # of entries. must be power of 2 */
+ u16 cq_depth;
+
+ /* msix vector assigned to this cq */
+ u32 msix_vector_idx;
+
+ /*
+ * CQ ring base address, virtual or physical depending on 'virt'
+ * flag
+ */
+ struct efa_common_mem_addr cq_ba;
+
+ /*
+ * Memory registration key for the ring, used only when base
+ * address is virtual
+ */
+ u32 l_key;
+
+ /*
+ * number of sub cqs - must be equal to sub_cqs_per_cq of queue
+ * attributes.
+ */
+ u16 num_sub_cqs;
+
+ /* UAR number */
+ u16 uar;
+};
+
+struct efa_admin_create_cq_resp {
+ struct efa_admin_acq_common_desc acq_common_desc;
+
+ u16 cq_idx;
+
+ /* actual cq depth in number of entries */
+ u16 cq_actual_depth;
+};
+
+struct efa_admin_destroy_cq_cmd {
+ struct efa_admin_aq_common_desc aq_common_desc;
+
+ u16 cq_idx;
+
+ u16 reserved1;
+};
+
+struct efa_admin_destroy_cq_resp {
+ struct efa_admin_acq_common_desc acq_common_desc;
+};
+
+/*
+ * EFA AQ Get Statistics command. Extended statistics are placed in control
+ * buffer pointed by AQ entry
+ */
+struct efa_admin_aq_get_stats_cmd {
+ struct efa_admin_aq_common_desc aq_common_descriptor;
+
+ union {
+ /* command specific inline data */
+ u32 inline_data_w1[3];
+
+ struct efa_admin_ctrl_buff_info control_buffer;
+ } u;
+
+ /* stats type as defined in enum efa_admin_get_stats_type */
+ u8 type;
+
+ /* stats scope defined in enum efa_admin_get_stats_scope */
+ u8 scope;
+
+ u16 scope_modifier;
+};
+
+struct efa_admin_basic_stats {
+ u64 tx_bytes;
+
+ u64 tx_pkts;
+
+ u64 rx_bytes;
+
+ u64 rx_pkts;
+
+ u64 rx_drops;
+};
+
+struct efa_admin_acq_get_stats_resp {
+ struct efa_admin_acq_common_desc acq_common_desc;
+
+ struct efa_admin_basic_stats basic_stats;
+};
+
+struct efa_admin_get_set_feature_common_desc {
+ /*
+ * 1:0 : select - 0x1 - current value; 0x3 - default
+ * value
+ * 7:3 : reserved3
+ */
+ u8 flags;
+
+ /* as appears in efa_admin_aq_feature_id */
+ u8 feature_id;
+
+ /* MBZ */
+ u16 reserved16;
+};
+
+struct efa_admin_feature_device_attr_desc {
+ /* Bitmap of efa_admin_aq_feature_id */
+ u64 supported_features;
+
+ /* Bitmap of supported page sizes in MR registrations */
+ u64 page_size_cap;
+
+ u32 fw_version;
+
+ u32 admin_api_version;
+
+ u32 device_version;
+
+ /* Bar used for SQ and RQ doorbells */
+ u16 db_bar;
+
+ /* Indicates how many bits are used physical address access */
+ u8 phys_addr_width;
+
+ /* Indicates how many bits are used virtual address access */
+ u8 virt_addr_width;
+};
+
+struct efa_admin_feature_queue_attr_desc {
+ /* The maximum number of queue pairs supported */
+ u32 max_qp;
+
+ u32 max_sq_depth;
+
+ /* max send wr used in inline-buf */
+ u32 inline_buf_size;
+
+ u32 max_rq_depth;
+
+ /* The maximum number of completion queues supported per VF */
+ u32 max_cq;
+
+ u32 max_cq_depth;
+
+ /* Number of sub-CQs to be created for each CQ */
+ u16 sub_cqs_per_cq;
+
+ u16 reserved;
+
+ /*
+ * Maximum number of SGEs (buffs) allowed for a single send work
+ * queue element (WQE)
+ */
+ u16 max_wr_send_sges;
+
+ /* Maximum number of SGEs allowed for a single recv WQE */
+ u16 max_wr_recv_sges;
+
+ /* The maximum number of memory regions supported */
+ u32 max_mr;
+
+ /* The maximum number of pages can be registered */
+ u32 max_mr_pages;
+
+ /* The maximum number of protection domains supported */
+ u32 max_pd;
+
+ /* The maximum number of address handles supported */
+ u32 max_ah;
+
+ /* The maximum size of LLQ in bytes */
+ u32 max_llq_size;
+};
+
+struct efa_admin_feature_aenq_desc {
+ /* bitmask for AENQ groups the device can report */
+ u32 supported_groups;
+
+ /* bitmask for AENQ groups to report */
+ u32 enabled_groups;
+};
+
+struct efa_admin_feature_network_attr_desc {
+ /* Raw address data in network byte order */
+ u8 addr[16];
+
+ u32 mtu;
+};
+
+/*
+ * When hint value is 0, hints capabilities are not supported or driver
+ * should use its own predefined value
+ */
+struct efa_admin_hw_hints {
+ /* value in ms */
+ u16 mmio_read_timeout;
+
+ /* value in ms */
+ u16 driver_watchdog_timeout;
+
+ /* value in ms */
+ u16 admin_completion_timeout;
+
+ /* poll interval in ms */
+ u16 poll_interval;
+};
+
+struct efa_admin_get_feature_cmd {
+ struct efa_admin_aq_common_desc aq_common_descriptor;
+
+ struct efa_admin_ctrl_buff_info control_buffer;
+
+ struct efa_admin_get_set_feature_common_desc feature_common;
+
+ u32 raw[11];
+};
+
+struct efa_admin_get_feature_resp {
+ struct efa_admin_acq_common_desc acq_common_desc;
+
+ union {
+ u32 raw[14];
+
+ struct efa_admin_feature_device_attr_desc device_attr;
+
+ struct efa_admin_feature_aenq_desc aenq;
+
+ struct efa_admin_feature_network_attr_desc network_attr;
+
+ struct efa_admin_feature_queue_attr_desc queue_attr;
+
+ struct efa_admin_hw_hints hw_hints;
+ } u;
+};
+
+struct efa_admin_set_feature_cmd {
+ struct efa_admin_aq_common_desc aq_common_descriptor;
+
+ struct efa_admin_ctrl_buff_info control_buffer;
+
+ struct efa_admin_get_set_feature_common_desc feature_common;
+
+ union {
+ u32 raw[11];
+
+ /* AENQ configuration */
+ struct efa_admin_feature_aenq_desc aenq;
+ } u;
+};
+
+struct efa_admin_set_feature_resp {
+ struct efa_admin_acq_common_desc acq_common_desc;
+
+ union {
+ u32 raw[14];
+ } u;
+};
+
+struct efa_admin_alloc_pd_cmd {
+ struct efa_admin_aq_common_desc aq_common_descriptor;
+};
+
+struct efa_admin_alloc_pd_resp {
+ struct efa_admin_acq_common_desc acq_common_desc;
+
+ /* PD number */
+ u16 pd;
+
+ /* MBZ */
+ u16 reserved;
+};
+
+struct efa_admin_dealloc_pd_cmd {
+ struct efa_admin_aq_common_desc aq_common_descriptor;
+
+ /* PD number */
+ u16 pd;
+
+ /* MBZ */
+ u16 reserved;
+};
+
+struct efa_admin_dealloc_pd_resp {
+ struct efa_admin_acq_common_desc acq_common_desc;
+};
+
+struct efa_admin_alloc_uar_cmd {
+ struct efa_admin_aq_common_desc aq_common_descriptor;
+};
+
+struct efa_admin_alloc_uar_resp {
+ struct efa_admin_acq_common_desc acq_common_desc;
+
+ /* UAR number */
+ u16 uar;
+
+ /* MBZ */
+ u16 reserved;
+};
+
+struct efa_admin_dealloc_uar_cmd {
+ struct efa_admin_aq_common_desc aq_common_descriptor;
+
+ /* UAR number */
+ u16 uar;
+
+ /* MBZ */
+ u16 reserved;
+};
+
+struct efa_admin_dealloc_uar_resp {
+ struct efa_admin_acq_common_desc acq_common_desc;
+};
+
+/* asynchronous event notification groups */
+enum efa_admin_aenq_group {
+ EFA_ADMIN_FATAL_ERROR = 1,
+ EFA_ADMIN_WARNING = 2,
+ EFA_ADMIN_NOTIFICATION = 3,
+ EFA_ADMIN_KEEP_ALIVE = 4,
+ EFA_ADMIN_AENQ_GROUPS_NUM = 5,
+};
+
+enum efa_admin_aenq_notification_syndrom {
+ EFA_ADMIN_SUSPEND = 0,
+ EFA_ADMIN_RESUME = 1,
+ EFA_ADMIN_UPDATE_HINTS = 2,
+};
+
+struct efa_admin_mmio_req_read_less_resp {
+ u16 req_id;
+
+ u16 reg_off;
+
+ /* value is valid when poll is cleared */
+ u32 reg_val;
+};
+
+/* create_qp_cmd */
+#define EFA_ADMIN_CREATE_QP_CMD_SQ_VIRT_MASK BIT(0)
+#define EFA_ADMIN_CREATE_QP_CMD_RQ_VIRT_SHIFT 1
+#define EFA_ADMIN_CREATE_QP_CMD_RQ_VIRT_MASK BIT(1)
+
+/* reg_mr_cmd */
+#define EFA_ADMIN_REG_MR_CMD_PHYS_PAGE_SIZE_SHIFT_MASK GENMASK(4, 0)
+#define EFA_ADMIN_REG_MR_CMD_MEM_ADDR_PHY_MODE_EN_SHIFT 7
+#define EFA_ADMIN_REG_MR_CMD_MEM_ADDR_PHY_MODE_EN_MASK BIT(7)
+#define EFA_ADMIN_REG_MR_CMD_LOCAL_WRITE_ENABLE_MASK BIT(0)
+
+/* create_cq_cmd */
+#define EFA_ADMIN_CREATE_CQ_CMD_INTERRUPT_MODE_ENABLED_SHIFT 5
+#define EFA_ADMIN_CREATE_CQ_CMD_INTERRUPT_MODE_ENABLED_MASK BIT(5)
+#define EFA_ADMIN_CREATE_CQ_CMD_VIRT_SHIFT 6
+#define EFA_ADMIN_CREATE_CQ_CMD_VIRT_MASK BIT(6)
+#define EFA_ADMIN_CREATE_CQ_CMD_CQ_ENTRY_SIZE_WORDS_MASK GENMASK(4, 0)
+
+/* get_set_feature_common_desc */
+#define EFA_ADMIN_GET_SET_FEATURE_COMMON_DESC_SELECT_MASK GENMASK(1, 0)
+
+#endif /* _EFA_ADMIN_CMDS_H_ */
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
+/*
+ * Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All rights reserved.
+ */
+
+#ifndef _EFA_ADMIN_H_
+#define _EFA_ADMIN_H_
+
+enum efa_admin_aq_completion_status {
+ EFA_ADMIN_SUCCESS = 0,
+ EFA_ADMIN_RESOURCE_ALLOCATION_FAILURE = 1,
+ EFA_ADMIN_BAD_OPCODE = 2,
+ EFA_ADMIN_UNSUPPORTED_OPCODE = 3,
+ EFA_ADMIN_MALFORMED_REQUEST = 4,
+ /* Additional status is provided in ACQ entry extended_status */
+ EFA_ADMIN_ILLEGAL_PARAMETER = 5,
+ EFA_ADMIN_UNKNOWN_ERROR = 6,
+ EFA_ADMIN_RESOURCE_BUSY = 7,
+};
+
+struct efa_admin_aq_common_desc {
+ /*
+ * 11:0 : command_id
+ * 15:12 : reserved12
+ */
+ u16 command_id;
+
+ /* as appears in efa_admin_aq_opcode */
+ u8 opcode;
+
+ /*
+ * 0 : phase
+ * 1 : ctrl_data - control buffer address valid
+ * 2 : ctrl_data_indirect - control buffer address
+ * points to list of pages with addresses of control
+ * buffers
+ * 7:3 : reserved3
+ */
+ u8 flags;
+};
+
+/*
+ * used in efa_admin_aq_entry. Can point directly to control data, or to a
+ * page list chunk. Used also at the end of indirect mode page list chunks,
+ * for chaining.
+ */
+struct efa_admin_ctrl_buff_info {
+ u32 length;
+
+ struct efa_common_mem_addr address;
+};
+
+struct efa_admin_aq_entry {
+ struct efa_admin_aq_common_desc aq_common_descriptor;
+
+ union {
+ u32 inline_data_w1[3];
+
+ struct efa_admin_ctrl_buff_info control_buffer;
+ } u;
+
+ u32 inline_data_w4[12];
+};
+
+struct efa_admin_acq_common_desc {
+ /*
+ * command identifier to associate it with the aq descriptor
+ * 11:0 : command_id
+ * 15:12 : reserved12
+ */
+ u16 command;
+
+ u8 status;
+
+ /*
+ * 0 : phase
+ * 7:1 : reserved1
+ */
+ u8 flags;
+
+ u16 extended_status;
+
+ /*
+ * indicates to the driver which AQ entry has been consumed by the
+ * device and could be reused
+ */
+ u16 sq_head_indx;
+};
+
+struct efa_admin_acq_entry {
+ struct efa_admin_acq_common_desc acq_common_descriptor;
+
+ u32 response_specific_data[14];
+};
+
+struct efa_admin_aenq_common_desc {
+ u16 group;
+
+ u16 syndrom;
+
+ /*
+ * 0 : phase
+ * 7:1 : reserved - MBZ
+ */
+ u8 flags;
+
+ u8 reserved1[3];
+
+ u32 timestamp_low;
+
+ u32 timestamp_high;
+};
+
+struct efa_admin_aenq_entry {
+ struct efa_admin_aenq_common_desc aenq_common_desc;
+
+ /* command specific inline data */
+ u32 inline_data_w4[12];
+};
+
+/* aq_common_desc */
+#define EFA_ADMIN_AQ_COMMON_DESC_COMMAND_ID_MASK GENMASK(11, 0)
+#define EFA_ADMIN_AQ_COMMON_DESC_PHASE_MASK BIT(0)
+#define EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_SHIFT 1
+#define EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_MASK BIT(1)
+#define EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_SHIFT 2
+#define EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_MASK BIT(2)
+
+/* acq_common_desc */
+#define EFA_ADMIN_ACQ_COMMON_DESC_COMMAND_ID_MASK GENMASK(11, 0)
+#define EFA_ADMIN_ACQ_COMMON_DESC_PHASE_MASK BIT(0)
+
+/* aenq_common_desc */
+#define EFA_ADMIN_AENQ_COMMON_DESC_PHASE_MASK BIT(0)
+
+#endif /* _EFA_ADMIN_H_ */
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
+/*
+ * Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All rights reserved.
+ */
+
+#include "efa_com.h"
+#include "efa_regs_defs.h"
+
+#define ADMIN_CMD_TIMEOUT_US 30000000 /* usecs */
+
+#define EFA_REG_READ_TIMEOUT_US 50000 /* usecs */
+#define EFA_MMIO_READ_INVALID 0xffffffff
+
+#define EFA_POLL_INTERVAL_MS 100 /* msecs */
+
+#define EFA_ASYNC_QUEUE_DEPTH 16
+#define EFA_ADMIN_QUEUE_DEPTH 32
+
+#define MIN_EFA_VER\
+ ((EFA_ADMIN_API_VERSION_MAJOR << EFA_REGS_VERSION_MAJOR_VERSION_SHIFT) | \
+ (EFA_ADMIN_API_VERSION_MINOR & EFA_REGS_VERSION_MINOR_VERSION_MASK))
+
+#define EFA_CTRL_MAJOR 0
+#define EFA_CTRL_MINOR 0
+#define EFA_CTRL_SUB_MINOR 1
+
+#define MIN_EFA_CTRL_VER \
+ (((EFA_CTRL_MAJOR) << \
+ (EFA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_SHIFT)) | \
+ ((EFA_CTRL_MINOR) << \
+ (EFA_REGS_CONTROLLER_VERSION_MINOR_VERSION_SHIFT)) | \
+ (EFA_CTRL_SUB_MINOR))
+
+#define EFA_DMA_ADDR_TO_UINT32_LOW(x) ((u32)((u64)(x)))
+#define EFA_DMA_ADDR_TO_UINT32_HIGH(x) ((u32)(((u64)(x)) >> 32))
+
+#define EFA_REGS_ADMIN_INTR_MASK 1
+
+enum efa_cmd_status {
+ EFA_CMD_SUBMITTED,
+ EFA_CMD_COMPLETED,
+ /* Abort - canceled by the driver */
+ EFA_CMD_ABORTED,
+};
+
+struct efa_comp_ctx {
+ struct completion wait_event;
+ struct efa_admin_acq_entry *user_cqe;
+ u32 comp_size;
+ enum efa_cmd_status status;
+ /* status from the device */
+ u8 comp_status;
+ u8 cmd_opcode;
+ u8 occupied;
+};
+
+static const char *efa_com_cmd_str(u8 cmd)
+{
+#define EFA_CMD_STR_CASE(_cmd) case EFA_ADMIN_##_cmd: return #_cmd
+
+ switch (cmd) {
+ EFA_CMD_STR_CASE(CREATE_QP);
+ EFA_CMD_STR_CASE(MODIFY_QP);
+ EFA_CMD_STR_CASE(QUERY_QP);
+ EFA_CMD_STR_CASE(DESTROY_QP);
+ EFA_CMD_STR_CASE(CREATE_AH);
+ EFA_CMD_STR_CASE(DESTROY_AH);
+ EFA_CMD_STR_CASE(REG_MR);
+ EFA_CMD_STR_CASE(DEREG_MR);
+ EFA_CMD_STR_CASE(CREATE_CQ);
+ EFA_CMD_STR_CASE(DESTROY_CQ);
+ EFA_CMD_STR_CASE(GET_FEATURE);
+ EFA_CMD_STR_CASE(SET_FEATURE);
+ EFA_CMD_STR_CASE(GET_STATS);
+ EFA_CMD_STR_CASE(ALLOC_PD);
+ EFA_CMD_STR_CASE(DEALLOC_PD);
+ EFA_CMD_STR_CASE(ALLOC_UAR);
+ EFA_CMD_STR_CASE(DEALLOC_UAR);
+ default: return "unknown command opcode";
+ }
+#undef EFA_CMD_STR_CASE
+}
+
+static u32 efa_com_reg_read32(struct efa_com_dev *edev, u16 offset)
+{
+ struct efa_com_mmio_read *mmio_read = &edev->mmio_read;
+ struct efa_admin_mmio_req_read_less_resp *read_resp;
+ unsigned long exp_time;
+ u32 mmio_read_reg;
+ u32 err;
+
+ read_resp = mmio_read->read_resp;
+
+ spin_lock(&mmio_read->lock);
+ mmio_read->seq_num++;
+
+ /* trash DMA req_id to identify when hardware is done */
+ read_resp->req_id = mmio_read->seq_num + 0x9aL;
+ mmio_read_reg = (offset << EFA_REGS_MMIO_REG_READ_REG_OFF_SHIFT) &
+ EFA_REGS_MMIO_REG_READ_REG_OFF_MASK;
+ mmio_read_reg |= mmio_read->seq_num &
+ EFA_REGS_MMIO_REG_READ_REQ_ID_MASK;
+
+ writel(mmio_read_reg, edev->reg_bar + EFA_REGS_MMIO_REG_READ_OFF);
+
+ exp_time = jiffies + usecs_to_jiffies(mmio_read->mmio_read_timeout);
+ do {
+ if (READ_ONCE(read_resp->req_id) == mmio_read->seq_num)
+ break;
+ udelay(1);
+ } while (time_is_after_jiffies(exp_time));
+
+ if (read_resp->req_id != mmio_read->seq_num) {
+ ibdev_err(edev->efa_dev,
+ "Reading register timed out. expected: req id[%u] offset[%#x] actual: req id[%u] offset[%#x]\n",
+ mmio_read->seq_num, offset, read_resp->req_id,
+ read_resp->reg_off);
+ err = EFA_MMIO_READ_INVALID;
+ goto out;
+ }
+
+ if (read_resp->reg_off != offset) {
+ ibdev_err(edev->efa_dev,
+ "Reading register failed: wrong offset provided\n");
+ err = EFA_MMIO_READ_INVALID;
+ goto out;
+ }
+
+ err = read_resp->reg_val;
+out:
+ spin_unlock(&mmio_read->lock);
+ return err;
+}
+
+static int efa_com_admin_init_sq(struct efa_com_dev *edev)
+{
+ struct efa_com_admin_queue *aq = &edev->aq;
+ struct efa_com_admin_sq *sq = &aq->sq;
+ u16 size = aq->depth * sizeof(*sq->entries);
+ u32 addr_high;
+ u32 addr_low;
+ u32 aq_caps;
+
+ sq->entries =
+ dma_alloc_coherent(aq->dmadev, size, &sq->dma_addr, GFP_KERNEL);
+ if (!sq->entries)
+ return -ENOMEM;
+
+ spin_lock_init(&sq->lock);
+
+ sq->cc = 0;
+ sq->pc = 0;
+ sq->phase = 1;
+
+ sq->db_addr = (u32 __iomem *)(edev->reg_bar + EFA_REGS_AQ_PROD_DB_OFF);
+
+ addr_high = EFA_DMA_ADDR_TO_UINT32_HIGH(sq->dma_addr);
+ addr_low = EFA_DMA_ADDR_TO_UINT32_LOW(sq->dma_addr);
+
+ writel(addr_low, edev->reg_bar + EFA_REGS_AQ_BASE_LO_OFF);
+ writel(addr_high, edev->reg_bar + EFA_REGS_AQ_BASE_HI_OFF);
+
+ aq_caps = aq->depth & EFA_REGS_AQ_CAPS_AQ_DEPTH_MASK;
+ aq_caps |= (sizeof(struct efa_admin_aq_entry) <<
+ EFA_REGS_AQ_CAPS_AQ_ENTRY_SIZE_SHIFT) &
+ EFA_REGS_AQ_CAPS_AQ_ENTRY_SIZE_MASK;
+
+ writel(aq_caps, edev->reg_bar + EFA_REGS_AQ_CAPS_OFF);
+
+ return 0;
+}
+
+static int efa_com_admin_init_cq(struct efa_com_dev *edev)
+{
+ struct efa_com_admin_queue *aq = &edev->aq;
+ struct efa_com_admin_cq *cq = &aq->cq;
+ u16 size = aq->depth * sizeof(*cq->entries);
+ u32 addr_high;
+ u32 addr_low;
+ u32 acq_caps;
+
+ cq->entries =
+ dma_alloc_coherent(aq->dmadev, size, &cq->dma_addr, GFP_KERNEL);
+ if (!cq->entries)
+ return -ENOMEM;
+
+ spin_lock_init(&cq->lock);
+
+ cq->cc = 0;
+ cq->phase = 1;
+
+ addr_high = EFA_DMA_ADDR_TO_UINT32_HIGH(cq->dma_addr);
+ addr_low = EFA_DMA_ADDR_TO_UINT32_LOW(cq->dma_addr);
+
+ writel(addr_low, edev->reg_bar + EFA_REGS_ACQ_BASE_LO_OFF);
+ writel(addr_high, edev->reg_bar + EFA_REGS_ACQ_BASE_HI_OFF);
+
+ acq_caps = aq->depth & EFA_REGS_ACQ_CAPS_ACQ_DEPTH_MASK;
+ acq_caps |= (sizeof(struct efa_admin_acq_entry) <<
+ EFA_REGS_ACQ_CAPS_ACQ_ENTRY_SIZE_SHIFT) &
+ EFA_REGS_ACQ_CAPS_ACQ_ENTRY_SIZE_MASK;
+ acq_caps |= (aq->msix_vector_idx <<
+ EFA_REGS_ACQ_CAPS_ACQ_MSIX_VECTOR_SHIFT) &
+ EFA_REGS_ACQ_CAPS_ACQ_MSIX_VECTOR_MASK;
+
+ writel(acq_caps, edev->reg_bar + EFA_REGS_ACQ_CAPS_OFF);
+
+ return 0;
+}
+
+static int efa_com_admin_init_aenq(struct efa_com_dev *edev,
+ struct efa_aenq_handlers *aenq_handlers)
+{
+ struct efa_com_aenq *aenq = &edev->aenq;
+ u32 addr_low, addr_high, aenq_caps;
+ u16 size;
+
+ if (!aenq_handlers) {
+ ibdev_err(edev->efa_dev, "aenq handlers pointer is NULL\n");
+ return -EINVAL;
+ }
+
+ size = EFA_ASYNC_QUEUE_DEPTH * sizeof(*aenq->entries);
+ aenq->entries = dma_alloc_coherent(edev->dmadev, size, &aenq->dma_addr,
+ GFP_KERNEL);
+ if (!aenq->entries)
+ return -ENOMEM;
+
+ aenq->aenq_handlers = aenq_handlers;
+ aenq->depth = EFA_ASYNC_QUEUE_DEPTH;
+ aenq->cc = 0;
+ aenq->phase = 1;
+
+ addr_low = EFA_DMA_ADDR_TO_UINT32_LOW(aenq->dma_addr);
+ addr_high = EFA_DMA_ADDR_TO_UINT32_HIGH(aenq->dma_addr);
+
+ writel(addr_low, edev->reg_bar + EFA_REGS_AENQ_BASE_LO_OFF);
+ writel(addr_high, edev->reg_bar + EFA_REGS_AENQ_BASE_HI_OFF);
+
+ aenq_caps = aenq->depth & EFA_REGS_AENQ_CAPS_AENQ_DEPTH_MASK;
+ aenq_caps |= (sizeof(struct efa_admin_aenq_entry) <<
+ EFA_REGS_AENQ_CAPS_AENQ_ENTRY_SIZE_SHIFT) &
+ EFA_REGS_AENQ_CAPS_AENQ_ENTRY_SIZE_MASK;
+ aenq_caps |= (aenq->msix_vector_idx
+ << EFA_REGS_AENQ_CAPS_AENQ_MSIX_VECTOR_SHIFT) &
+ EFA_REGS_AENQ_CAPS_AENQ_MSIX_VECTOR_MASK;
+ writel(aenq_caps, edev->reg_bar + EFA_REGS_AENQ_CAPS_OFF);
+
+ /*
+ * Init cons_db to mark that all entries in the queue
+ * are initially available
+ */
+ writel(edev->aenq.cc, edev->reg_bar + EFA_REGS_AENQ_CONS_DB_OFF);
+
+ return 0;
+}
+
+/* ID to be used with efa_com_get_comp_ctx */
+static u16 efa_com_alloc_ctx_id(struct efa_com_admin_queue *aq)
+{
+ u16 ctx_id;
+
+ spin_lock(&aq->comp_ctx_lock);
+ ctx_id = aq->comp_ctx_pool[aq->comp_ctx_pool_next];
+ aq->comp_ctx_pool_next++;
+ spin_unlock(&aq->comp_ctx_lock);
+
+ return ctx_id;
+}
+
+static void efa_com_dealloc_ctx_id(struct efa_com_admin_queue *aq,
+ u16 ctx_id)
+{
+ spin_lock(&aq->comp_ctx_lock);
+ aq->comp_ctx_pool_next--;
+ aq->comp_ctx_pool[aq->comp_ctx_pool_next] = ctx_id;
+ spin_unlock(&aq->comp_ctx_lock);
+}
+
+static inline void efa_com_put_comp_ctx(struct efa_com_admin_queue *aq,
+ struct efa_comp_ctx *comp_ctx)
+{
+ u16 comp_id = comp_ctx->user_cqe->acq_common_descriptor.command &
+ EFA_ADMIN_ACQ_COMMON_DESC_COMMAND_ID_MASK;
+
+ ibdev_dbg(aq->efa_dev, "Putting completion command_id %d\n", comp_id);
+ comp_ctx->occupied = 0;
+ efa_com_dealloc_ctx_id(aq, comp_id);
+}
+
+static struct efa_comp_ctx *efa_com_get_comp_ctx(struct efa_com_admin_queue *aq,
+ u16 command_id, bool capture)
+{
+ if (command_id >= aq->depth) {
+ ibdev_err(aq->efa_dev,
+ "command id is larger than the queue size. cmd_id: %u queue size %d\n",
+ command_id, aq->depth);
+ return NULL;
+ }
+
+ if (aq->comp_ctx[command_id].occupied && capture) {
+ ibdev_err(aq->efa_dev, "Completion context is occupied\n");
+ return NULL;
+ }
+
+ if (capture) {
+ aq->comp_ctx[command_id].occupied = 1;
+ ibdev_dbg(aq->efa_dev, "Taking completion ctxt command_id %d\n",
+ command_id);
+ }
+
+ return &aq->comp_ctx[command_id];
+}
+
+static struct efa_comp_ctx *__efa_com_submit_admin_cmd(struct efa_com_admin_queue *aq,
+ struct efa_admin_aq_entry *cmd,
+ size_t cmd_size_in_bytes,
+ struct efa_admin_acq_entry *comp,
+ size_t comp_size_in_bytes)
+{
+ struct efa_comp_ctx *comp_ctx;
+ u16 queue_size_mask;
+ u16 ctx_id;
+ u16 pi;
+
+ queue_size_mask = aq->depth - 1;
+ pi = aq->sq.pc & queue_size_mask;
+
+ ctx_id = efa_com_alloc_ctx_id(aq);
+
+ cmd->aq_common_descriptor.flags |= aq->sq.phase &
+ EFA_ADMIN_AQ_COMMON_DESC_PHASE_MASK;
+
+ cmd->aq_common_descriptor.command_id |= ctx_id &
+ EFA_ADMIN_AQ_COMMON_DESC_COMMAND_ID_MASK;
+
+ comp_ctx = efa_com_get_comp_ctx(aq, ctx_id, true);
+ if (!comp_ctx) {
+ efa_com_dealloc_ctx_id(aq, ctx_id);
+ return ERR_PTR(-EINVAL);
+ }
+
+ comp_ctx->status = EFA_CMD_SUBMITTED;
+ comp_ctx->comp_size = comp_size_in_bytes;
+ comp_ctx->user_cqe = comp;
+ comp_ctx->cmd_opcode = cmd->aq_common_descriptor.opcode;
+
+ reinit_completion(&comp_ctx->wait_event);
+
+ memcpy(&aq->sq.entries[pi], cmd, cmd_size_in_bytes);
+
+ aq->sq.pc++;
+ atomic64_inc(&aq->stats.submitted_cmd);
+
+ if ((aq->sq.pc & queue_size_mask) == 0)
+ aq->sq.phase = !aq->sq.phase;
+
+ /* barrier not needed in case of writel */
+ writel(aq->sq.pc, aq->sq.db_addr);
+
+ return comp_ctx;
+}
+
+static inline int efa_com_init_comp_ctxt(struct efa_com_admin_queue *aq)
+{
+ size_t pool_size = aq->depth * sizeof(*aq->comp_ctx_pool);
+ size_t size = aq->depth * sizeof(struct efa_comp_ctx);
+ struct efa_comp_ctx *comp_ctx;
+ u16 i;
+
+ aq->comp_ctx = devm_kzalloc(aq->dmadev, size, GFP_KERNEL);
+ aq->comp_ctx_pool = devm_kzalloc(aq->dmadev, pool_size, GFP_KERNEL);
+ if (!aq->comp_ctx || !aq->comp_ctx_pool) {
+ devm_kfree(aq->dmadev, aq->comp_ctx_pool);
+ devm_kfree(aq->dmadev, aq->comp_ctx);
+ return -ENOMEM;
+ }
+
+ for (i = 0; i < aq->depth; i++) {
+ comp_ctx = efa_com_get_comp_ctx(aq, i, false);
+ if (comp_ctx)
+ init_completion(&comp_ctx->wait_event);
+
+ aq->comp_ctx_pool[i] = i;
+ }
+
+ spin_lock_init(&aq->comp_ctx_lock);
+
+ aq->comp_ctx_pool_next = 0;
+
+ return 0;
+}
+
+static struct efa_comp_ctx *efa_com_submit_admin_cmd(struct efa_com_admin_queue *aq,
+ struct efa_admin_aq_entry *cmd,
+ size_t cmd_size_in_bytes,
+ struct efa_admin_acq_entry *comp,
+ size_t comp_size_in_bytes)
+{
+ struct efa_comp_ctx *comp_ctx;
+
+ spin_lock(&aq->sq.lock);
+ if (!test_bit(EFA_AQ_STATE_RUNNING_BIT, &aq->state)) {
+ ibdev_err(aq->efa_dev, "Admin queue is closed\n");
+ spin_unlock(&aq->sq.lock);
+ return ERR_PTR(-ENODEV);
+ }
+
+ comp_ctx = __efa_com_submit_admin_cmd(aq, cmd, cmd_size_in_bytes, comp,
+ comp_size_in_bytes);
+ spin_unlock(&aq->sq.lock);
+ if (IS_ERR(comp_ctx))
+ clear_bit(EFA_AQ_STATE_RUNNING_BIT, &aq->state);
+
+ return comp_ctx;
+}
+
+static void efa_com_handle_single_admin_completion(struct efa_com_admin_queue *aq,
+ struct efa_admin_acq_entry *cqe)
+{
+ struct efa_comp_ctx *comp_ctx;
+ u16 cmd_id;
+
+ cmd_id = cqe->acq_common_descriptor.command &
+ EFA_ADMIN_ACQ_COMMON_DESC_COMMAND_ID_MASK;
+
+ comp_ctx = efa_com_get_comp_ctx(aq, cmd_id, false);
+ if (!comp_ctx) {
+ ibdev_err(aq->efa_dev,
+ "comp_ctx is NULL. Changing the admin queue running state\n");
+ clear_bit(EFA_AQ_STATE_RUNNING_BIT, &aq->state);
+ return;
+ }
+
+ comp_ctx->status = EFA_CMD_COMPLETED;
+ comp_ctx->comp_status = cqe->acq_common_descriptor.status;
+ if (comp_ctx->user_cqe)
+ memcpy(comp_ctx->user_cqe, cqe, comp_ctx->comp_size);
+
+ if (!test_bit(EFA_AQ_STATE_POLLING_BIT, &aq->state))
+ complete(&comp_ctx->wait_event);
+}
+
+static void efa_com_handle_admin_completion(struct efa_com_admin_queue *aq)
+{
+ struct efa_admin_acq_entry *cqe;
+ u16 queue_size_mask;
+ u16 comp_num = 0;
+ u8 phase;
+ u16 ci;
+
+ queue_size_mask = aq->depth - 1;
+
+ ci = aq->cq.cc & queue_size_mask;
+ phase = aq->cq.phase;
+
+ cqe = &aq->cq.entries[ci];
+
+ /* Go over all the completions */
+ while ((READ_ONCE(cqe->acq_common_descriptor.flags) &
+ EFA_ADMIN_ACQ_COMMON_DESC_PHASE_MASK) == phase) {
+ /*
+ * Do not read the rest of the completion entry before the
+ * phase bit was validated
+ */
+ dma_rmb();
+ efa_com_handle_single_admin_completion(aq, cqe);
+
+ ci++;
+ comp_num++;
+ if (ci == aq->depth) {
+ ci = 0;
+ phase = !phase;
+ }
+
+ cqe = &aq->cq.entries[ci];
+ }
+
+ aq->cq.cc += comp_num;
+ aq->cq.phase = phase;
+ aq->sq.cc += comp_num;
+ atomic64_add(comp_num, &aq->stats.completed_cmd);
+}
+
+static int efa_com_comp_status_to_errno(u8 comp_status)
+{
+ switch (comp_status) {
+ case EFA_ADMIN_SUCCESS:
+ return 0;
+ case EFA_ADMIN_RESOURCE_ALLOCATION_FAILURE:
+ return -ENOMEM;
+ case EFA_ADMIN_UNSUPPORTED_OPCODE:
+ return -EOPNOTSUPP;
+ case EFA_ADMIN_BAD_OPCODE:
+ case EFA_ADMIN_MALFORMED_REQUEST:
+ case EFA_ADMIN_ILLEGAL_PARAMETER:
+ case EFA_ADMIN_UNKNOWN_ERROR:
+ return -EINVAL;
+ default:
+ return -EINVAL;
+ }
+}
+
+static int efa_com_wait_and_process_admin_cq_polling(struct efa_comp_ctx *comp_ctx,
+ struct efa_com_admin_queue *aq)
+{
+ unsigned long timeout;
+ unsigned long flags;
+ int err;
+
+ timeout = jiffies + usecs_to_jiffies(aq->completion_timeout);
+
+ while (1) {
+ spin_lock_irqsave(&aq->cq.lock, flags);
+ efa_com_handle_admin_completion(aq);
+ spin_unlock_irqrestore(&aq->cq.lock, flags);
+
+ if (comp_ctx->status != EFA_CMD_SUBMITTED)
+ break;
+
+ if (time_is_before_jiffies(timeout)) {
+ ibdev_err(aq->efa_dev,
+ "Wait for completion (polling) timeout\n");
+ /* EFA didn't have any completion */
+ atomic64_inc(&aq->stats.no_completion);
+
+ clear_bit(EFA_AQ_STATE_RUNNING_BIT, &aq->state);
+ err = -ETIME;
+ goto out;
+ }
+
+ msleep(aq->poll_interval);
+ }
+
+ if (comp_ctx->status == EFA_CMD_ABORTED) {
+ ibdev_err(aq->efa_dev, "Command was aborted\n");
+ atomic64_inc(&aq->stats.aborted_cmd);
+ err = -ENODEV;
+ goto out;
+ }
+
+ WARN_ONCE(comp_ctx->status != EFA_CMD_COMPLETED,
+ "Invalid completion status %d\n", comp_ctx->status);
+
+ err = efa_com_comp_status_to_errno(comp_ctx->comp_status);
+out:
+ efa_com_put_comp_ctx(aq, comp_ctx);
+ return err;
+}
+
+static int efa_com_wait_and_process_admin_cq_interrupts(struct efa_comp_ctx *comp_ctx,
+ struct efa_com_admin_queue *aq)
+{
+ unsigned long flags;
+ int err;
+
+ wait_for_completion_timeout(&comp_ctx->wait_event,
+ usecs_to_jiffies(aq->completion_timeout));
+
+ /*
+ * In case the command wasn't completed find out the root cause.
+ * There might be 2 kinds of errors
+ * 1) No completion (timeout reached)
+ * 2) There is completion but the device didn't get any msi-x interrupt.
+ */
+ if (comp_ctx->status == EFA_CMD_SUBMITTED) {
+ spin_lock_irqsave(&aq->cq.lock, flags);
+ efa_com_handle_admin_completion(aq);
+ spin_unlock_irqrestore(&aq->cq.lock, flags);
+
+ atomic64_inc(&aq->stats.no_completion);
+
+ if (comp_ctx->status == EFA_CMD_COMPLETED)
+ ibdev_err(aq->efa_dev,
+ "The device sent a completion but the driver didn't receive any MSI-X interrupt for admin cmd %s(%d) status %d (ctx: 0x%p, sq producer: %d, sq consumer: %d, cq consumer: %d)\n",
+ efa_com_cmd_str(comp_ctx->cmd_opcode),
+ comp_ctx->cmd_opcode, comp_ctx->status,
+ comp_ctx, aq->sq.pc, aq->sq.cc, aq->cq.cc);
+ else
+ ibdev_err(aq->efa_dev,
+ "The device didn't send any completion for admin cmd %s(%d) status %d (ctx 0x%p, sq producer: %d, sq consumer: %d, cq consumer: %d)\n",
+ efa_com_cmd_str(comp_ctx->cmd_opcode),
+ comp_ctx->cmd_opcode, comp_ctx->status,
+ comp_ctx, aq->sq.pc, aq->sq.cc, aq->cq.cc);
+
+ clear_bit(EFA_AQ_STATE_RUNNING_BIT, &aq->state);
+ err = -ETIME;
+ goto out;
+ }
+
+ err = efa_com_comp_status_to_errno(comp_ctx->comp_status);
+out:
+ efa_com_put_comp_ctx(aq, comp_ctx);
+ return err;
+}
+
+/*
+ * There are two types to wait for completion.
+ * Polling mode - wait until the completion is available.
+ * Async mode - wait on wait queue until the completion is ready
+ * (or the timeout expired).
+ * It is expected that the IRQ called efa_com_handle_admin_completion
+ * to mark the completions.
+ */
+static int efa_com_wait_and_process_admin_cq(struct efa_comp_ctx *comp_ctx,
+ struct efa_com_admin_queue *aq)
+{
+ if (test_bit(EFA_AQ_STATE_POLLING_BIT, &aq->state))
+ return efa_com_wait_and_process_admin_cq_polling(comp_ctx, aq);
+
+ return efa_com_wait_and_process_admin_cq_interrupts(comp_ctx, aq);
+}
+
+/**
+ * efa_com_cmd_exec - Execute admin command
+ * @aq: admin queue.
+ * @cmd: the admin command to execute.
+ * @cmd_size: the command size.
+ * @comp: command completion return entry.
+ * @comp_size: command completion size.
+ * Submit an admin command and then wait until the device will return a
+ * completion.
+ * The completion will be copied into comp.
+ *
+ * @return - 0 on success, negative value on failure.
+ */
+int efa_com_cmd_exec(struct efa_com_admin_queue *aq,
+ struct efa_admin_aq_entry *cmd,
+ size_t cmd_size,
+ struct efa_admin_acq_entry *comp,
+ size_t comp_size)
+{
+ struct efa_comp_ctx *comp_ctx;
+ int err;
+
+ might_sleep();
+
+ /* In case of queue FULL */
+ down(&aq->avail_cmds);
+
+ ibdev_dbg(aq->efa_dev, "%s (opcode %d)\n",
+ efa_com_cmd_str(cmd->aq_common_descriptor.opcode),
+ cmd->aq_common_descriptor.opcode);
+ comp_ctx = efa_com_submit_admin_cmd(aq, cmd, cmd_size, comp, comp_size);
+ if (IS_ERR(comp_ctx)) {
+ ibdev_err(aq->efa_dev,
+ "Failed to submit command %s (opcode %u) err %ld\n",
+ efa_com_cmd_str(cmd->aq_common_descriptor.opcode),
+ cmd->aq_common_descriptor.opcode, PTR_ERR(comp_ctx));
+
+ up(&aq->avail_cmds);
+ return PTR_ERR(comp_ctx);
+ }
+
+ err = efa_com_wait_and_process_admin_cq(comp_ctx, aq);
+ if (err)
+ ibdev_err(aq->efa_dev,
+ "Failed to process command %s (opcode %u) comp_status %d err %d\n",
+ efa_com_cmd_str(cmd->aq_common_descriptor.opcode),
+ cmd->aq_common_descriptor.opcode,
+ comp_ctx->comp_status, err);
+
+ up(&aq->avail_cmds);
+
+ return err;
+}
+
+/**
+ * efa_com_abort_admin_commands - Abort all the outstanding admin commands.
+ * @edev: EFA communication layer struct
+ *
+ * This method aborts all the outstanding admin commands.
+ * The caller should then call efa_com_wait_for_abort_completion to make sure
+ * all the commands were completed.
+ */
+static void efa_com_abort_admin_commands(struct efa_com_dev *edev)
+{
+ struct efa_com_admin_queue *aq = &edev->aq;
+ struct efa_comp_ctx *comp_ctx;
+ unsigned long flags;
+ u16 i;
+
+ spin_lock(&aq->sq.lock);
+ spin_lock_irqsave(&aq->cq.lock, flags);
+ for (i = 0; i < aq->depth; i++) {
+ comp_ctx = efa_com_get_comp_ctx(aq, i, false);
+ if (!comp_ctx)
+ break;
+
+ comp_ctx->status = EFA_CMD_ABORTED;
+
+ complete(&comp_ctx->wait_event);
+ }
+ spin_unlock_irqrestore(&aq->cq.lock, flags);
+ spin_unlock(&aq->sq.lock);
+}
+
+/**
+ * efa_com_wait_for_abort_completion - Wait for admin commands abort.
+ * @edev: EFA communication layer struct
+ *
+ * This method wait until all the outstanding admin commands will be completed.
+ */
+static void efa_com_wait_for_abort_completion(struct efa_com_dev *edev)
+{
+ struct efa_com_admin_queue *aq = &edev->aq;
+ int i;
+
+ /* all mine */
+ for (i = 0; i < aq->depth; i++)
+ down(&aq->avail_cmds);
+
+ /* let it go */
+ for (i = 0; i < aq->depth; i++)
+ up(&aq->avail_cmds);
+}
+
+static void efa_com_admin_flush(struct efa_com_dev *edev)
+{
+ struct efa_com_admin_queue *aq = &edev->aq;
+
+ clear_bit(EFA_AQ_STATE_RUNNING_BIT, &aq->state);
+
+ efa_com_abort_admin_commands(edev);
+ efa_com_wait_for_abort_completion(edev);
+}
+
+/**
+ * efa_com_admin_destroy - Destroy the admin and the async events queues.
+ * @edev: EFA communication layer struct
+ */
+void efa_com_admin_destroy(struct efa_com_dev *edev)
+{
+ struct efa_com_admin_queue *aq = &edev->aq;
+ struct efa_com_aenq *aenq = &edev->aenq;
+ struct efa_com_admin_cq *cq = &aq->cq;
+ struct efa_com_admin_sq *sq = &aq->sq;
+ u16 size;
+
+ efa_com_admin_flush(edev);
+
+ devm_kfree(edev->dmadev, aq->comp_ctx_pool);
+ devm_kfree(edev->dmadev, aq->comp_ctx);
+
+ size = aq->depth * sizeof(*sq->entries);
+ dma_free_coherent(edev->dmadev, size, sq->entries, sq->dma_addr);
+
+ size = aq->depth * sizeof(*cq->entries);
+ dma_free_coherent(edev->dmadev, size, cq->entries, cq->dma_addr);
+
+ size = aenq->depth * sizeof(*aenq->entries);
+ dma_free_coherent(edev->dmadev, size, aenq->entries, aenq->dma_addr);
+}
+
+/**
+ * efa_com_set_admin_polling_mode - Set the admin completion queue polling mode
+ * @edev: EFA communication layer struct
+ * @polling: Enable/Disable polling mode
+ *
+ * Set the admin completion mode.
+ */
+void efa_com_set_admin_polling_mode(struct efa_com_dev *edev, bool polling)
+{
+ u32 mask_value = 0;
+
+ if (polling)
+ mask_value = EFA_REGS_ADMIN_INTR_MASK;
+
+ writel(mask_value, edev->reg_bar + EFA_REGS_INTR_MASK_OFF);
+ if (polling)
+ set_bit(EFA_AQ_STATE_POLLING_BIT, &edev->aq.state);
+ else
+ clear_bit(EFA_AQ_STATE_POLLING_BIT, &edev->aq.state);
+}
+
+static void efa_com_stats_init(struct efa_com_dev *edev)
+{
+ atomic64_t *s = (atomic64_t *)&edev->aq.stats;
+ int i;
+
+ for (i = 0; i < sizeof(edev->aq.stats) / sizeof(*s); i++, s++)
+ atomic64_set(s, 0);
+}
+
+/**
+ * efa_com_admin_init - Init the admin and the async queues
+ * @edev: EFA communication layer struct
+ * @aenq_handlers: Those handlers to be called upon event.
+ *
+ * Initialize the admin submission and completion queues.
+ * Initialize the asynchronous events notification queues.
+ *
+ * @return - 0 on success, negative value on failure.
+ */
+int efa_com_admin_init(struct efa_com_dev *edev,
+ struct efa_aenq_handlers *aenq_handlers)
+{
+ struct efa_com_admin_queue *aq = &edev->aq;
+ u32 timeout;
+ u32 dev_sts;
+ u32 cap;
+ int err;
+
+ dev_sts = efa_com_reg_read32(edev, EFA_REGS_DEV_STS_OFF);
+ if (!(dev_sts & EFA_REGS_DEV_STS_READY_MASK)) {
+ ibdev_err(edev->efa_dev,
+ "Device isn't ready, abort com init %#x\n", dev_sts);
+ return -ENODEV;
+ }
+
+ aq->depth = EFA_ADMIN_QUEUE_DEPTH;
+
+ aq->dmadev = edev->dmadev;
+ aq->efa_dev = edev->efa_dev;
+ set_bit(EFA_AQ_STATE_POLLING_BIT, &aq->state);
+
+ sema_init(&aq->avail_cmds, aq->depth);
+
+ efa_com_stats_init(edev);
+
+ err = efa_com_init_comp_ctxt(aq);
+ if (err)
+ return err;
+
+ err = efa_com_admin_init_sq(edev);
+ if (err)
+ goto err_destroy_comp_ctxt;
+
+ err = efa_com_admin_init_cq(edev);
+ if (err)
+ goto err_destroy_sq;
+
+ efa_com_set_admin_polling_mode(edev, false);
+
+ err = efa_com_admin_init_aenq(edev, aenq_handlers);
+ if (err)
+ goto err_destroy_cq;
+
+ cap = efa_com_reg_read32(edev, EFA_REGS_CAPS_OFF);
+ timeout = (cap & EFA_REGS_CAPS_ADMIN_CMD_TO_MASK) >>
+ EFA_REGS_CAPS_ADMIN_CMD_TO_SHIFT;
+ if (timeout)
+ /* the resolution of timeout reg is 100ms */
+ aq->completion_timeout = timeout * 100000;
+ else
+ aq->completion_timeout = ADMIN_CMD_TIMEOUT_US;
+
+ aq->poll_interval = EFA_POLL_INTERVAL_MS;
+
+ set_bit(EFA_AQ_STATE_RUNNING_BIT, &aq->state);
+
+ return 0;
+
+err_destroy_cq:
+ dma_free_coherent(edev->dmadev, aq->depth * sizeof(*aq->cq.entries),
+ aq->cq.entries, aq->cq.dma_addr);
+err_destroy_sq:
+ dma_free_coherent(edev->dmadev, aq->depth * sizeof(*aq->sq.entries),
+ aq->sq.entries, aq->sq.dma_addr);
+err_destroy_comp_ctxt:
+ devm_kfree(edev->dmadev, aq->comp_ctx);
+
+ return err;
+}
+
+/**
+ * efa_com_admin_q_comp_intr_handler - admin queue interrupt handler
+ * @edev: EFA communication layer struct
+ *
+ * This method goes over the admin completion queue and wakes up
+ * all the pending threads that wait on the commands wait event.
+ *
+ * @note: Should be called after MSI-X interrupt.
+ */
+void efa_com_admin_q_comp_intr_handler(struct efa_com_dev *edev)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&edev->aq.cq.lock, flags);
+ efa_com_handle_admin_completion(&edev->aq);
+ spin_unlock_irqrestore(&edev->aq.cq.lock, flags);
+}
+
+/*
+ * efa_handle_specific_aenq_event:
+ * return the handler that is relevant to the specific event group
+ */
+static efa_aenq_handler efa_com_get_specific_aenq_cb(struct efa_com_dev *edev,
+ u16 group)
+{
+ struct efa_aenq_handlers *aenq_handlers = edev->aenq.aenq_handlers;
+
+ if (group < EFA_MAX_HANDLERS && aenq_handlers->handlers[group])
+ return aenq_handlers->handlers[group];
+
+ return aenq_handlers->unimplemented_handler;
+}
+
+/**
+ * efa_com_aenq_intr_handler - AENQ interrupt handler
+ * @edev: EFA communication layer struct
+ * @data: Data of interrupt handler.
+ *
+ * Go over the async event notification queue and call the proper aenq handler.
+ */
+void efa_com_aenq_intr_handler(struct efa_com_dev *edev, void *data)
+{
+ struct efa_admin_aenq_common_desc *aenq_common;
+ struct efa_com_aenq *aenq = &edev->aenq;
+ struct efa_admin_aenq_entry *aenq_e;
+ efa_aenq_handler handler_cb;
+ u32 processed = 0;
+ u8 phase;
+ u32 ci;
+
+ ci = aenq->cc & (aenq->depth - 1);
+ phase = aenq->phase;
+ aenq_e = &aenq->entries[ci]; /* Get first entry */
+ aenq_common = &aenq_e->aenq_common_desc;
+
+ /* Go over all the events */
+ while ((READ_ONCE(aenq_common->flags) &
+ EFA_ADMIN_AENQ_COMMON_DESC_PHASE_MASK) == phase) {
+ /*
+ * Do not read the rest of the completion entry before the
+ * phase bit was validated
+ */
+ dma_rmb();
+
+ /* Handle specific event*/
+ handler_cb = efa_com_get_specific_aenq_cb(edev,
+ aenq_common->group);
+ handler_cb(data, aenq_e); /* call the actual event handler*/
+
+ /* Get next event entry */
+ ci++;
+ processed++;
+
+ if (ci == aenq->depth) {
+ ci = 0;
+ phase = !phase;
+ }
+ aenq_e = &aenq->entries[ci];
+ aenq_common = &aenq_e->aenq_common_desc;
+ }
+
+ aenq->cc += processed;
+ aenq->phase = phase;
+
+ /* Don't update aenq doorbell if there weren't any processed events */
+ if (!processed)
+ return;
+
+ /* barrier not needed in case of writel */
+ writel(aenq->cc, edev->reg_bar + EFA_REGS_AENQ_CONS_DB_OFF);
+}
+
+static void efa_com_mmio_reg_read_resp_addr_init(struct efa_com_dev *edev)
+{
+ struct efa_com_mmio_read *mmio_read = &edev->mmio_read;
+ u32 addr_high;
+ u32 addr_low;
+
+ /* dma_addr_bits is unknown at this point */
+ addr_high = (mmio_read->read_resp_dma_addr >> 32) & GENMASK(31, 0);
+ addr_low = mmio_read->read_resp_dma_addr & GENMASK(31, 0);
+
+ writel(addr_high, edev->reg_bar + EFA_REGS_MMIO_RESP_HI_OFF);
+ writel(addr_low, edev->reg_bar + EFA_REGS_MMIO_RESP_LO_OFF);
+}
+
+int efa_com_mmio_reg_read_init(struct efa_com_dev *edev)
+{
+ struct efa_com_mmio_read *mmio_read = &edev->mmio_read;
+
+ spin_lock_init(&mmio_read->lock);
+ mmio_read->read_resp =
+ dma_alloc_coherent(edev->dmadev, sizeof(*mmio_read->read_resp),
+ &mmio_read->read_resp_dma_addr, GFP_KERNEL);
+ if (!mmio_read->read_resp)
+ return -ENOMEM;
+
+ efa_com_mmio_reg_read_resp_addr_init(edev);
+
+ mmio_read->read_resp->req_id = 0;
+ mmio_read->seq_num = 0;
+ mmio_read->mmio_read_timeout = EFA_REG_READ_TIMEOUT_US;
+
+ return 0;
+}
+
+void efa_com_mmio_reg_read_destroy(struct efa_com_dev *edev)
+{
+ struct efa_com_mmio_read *mmio_read = &edev->mmio_read;
+
+ dma_free_coherent(edev->dmadev, sizeof(*mmio_read->read_resp),
+ mmio_read->read_resp, mmio_read->read_resp_dma_addr);
+}
+
+int efa_com_validate_version(struct efa_com_dev *edev)
+{
+ u32 ctrl_ver_masked;
+ u32 ctrl_ver;
+ u32 ver;
+
+ /*
+ * Make sure the EFA version and the controller version are at least
+ * as the driver expects
+ */
+ ver = efa_com_reg_read32(edev, EFA_REGS_VERSION_OFF);
+ ctrl_ver = efa_com_reg_read32(edev,
+ EFA_REGS_CONTROLLER_VERSION_OFF);
+
+ ibdev_dbg(edev->efa_dev, "efa device version: %d.%d\n",
+ (ver & EFA_REGS_VERSION_MAJOR_VERSION_MASK) >>
+ EFA_REGS_VERSION_MAJOR_VERSION_SHIFT,
+ ver & EFA_REGS_VERSION_MINOR_VERSION_MASK);
+
+ if (ver < MIN_EFA_VER) {
+ ibdev_err(edev->efa_dev,
+ "EFA version is lower than the minimal version the driver supports\n");
+ return -EOPNOTSUPP;
+ }
+
+ ibdev_dbg(edev->efa_dev,
+ "efa controller version: %d.%d.%d implementation version %d\n",
+ (ctrl_ver & EFA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_MASK) >>
+ EFA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_SHIFT,
+ (ctrl_ver & EFA_REGS_CONTROLLER_VERSION_MINOR_VERSION_MASK) >>
+ EFA_REGS_CONTROLLER_VERSION_MINOR_VERSION_SHIFT,
+ (ctrl_ver & EFA_REGS_CONTROLLER_VERSION_SUBMINOR_VERSION_MASK),
+ (ctrl_ver & EFA_REGS_CONTROLLER_VERSION_IMPL_ID_MASK) >>
+ EFA_REGS_CONTROLLER_VERSION_IMPL_ID_SHIFT);
+
+ ctrl_ver_masked =
+ (ctrl_ver & EFA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_MASK) |
+ (ctrl_ver & EFA_REGS_CONTROLLER_VERSION_MINOR_VERSION_MASK) |
+ (ctrl_ver & EFA_REGS_CONTROLLER_VERSION_SUBMINOR_VERSION_MASK);
+
+ /* Validate the ctrl version without the implementation ID */
+ if (ctrl_ver_masked < MIN_EFA_CTRL_VER) {
+ ibdev_err(edev->efa_dev,
+ "EFA ctrl version is lower than the minimal ctrl version the driver supports\n");
+ return -EOPNOTSUPP;
+ }
+
+ return 0;
+}
+
+/**
+ * efa_com_get_dma_width - Retrieve physical dma address width the device
+ * supports.
+ * @edev: EFA communication layer struct
+ *
+ * Retrieve the maximum physical address bits the device can handle.
+ *
+ * @return: > 0 on Success and negative value otherwise.
+ */
+int efa_com_get_dma_width(struct efa_com_dev *edev)
+{
+ u32 caps = efa_com_reg_read32(edev, EFA_REGS_CAPS_OFF);
+ int width;
+
+ width = (caps & EFA_REGS_CAPS_DMA_ADDR_WIDTH_MASK) >>
+ EFA_REGS_CAPS_DMA_ADDR_WIDTH_SHIFT;
+
+ ibdev_dbg(edev->efa_dev, "DMA width: %d\n", width);
+
+ if (width < 32 || width > 64) {
+ ibdev_err(edev->efa_dev, "DMA width illegal value: %d\n", width);
+ return -EINVAL;
+ }
+
+ edev->dma_addr_bits = width;
+
+ return width;
+}
+
+static int wait_for_reset_state(struct efa_com_dev *edev, u32 timeout,
+ u16 exp_state)
+{
+ u32 val, i;
+
+ for (i = 0; i < timeout; i++) {
+ val = efa_com_reg_read32(edev, EFA_REGS_DEV_STS_OFF);
+
+ if ((val & EFA_REGS_DEV_STS_RESET_IN_PROGRESS_MASK) ==
+ exp_state)
+ return 0;
+
+ ibdev_dbg(edev->efa_dev, "Reset indication val %d\n", val);
+ msleep(EFA_POLL_INTERVAL_MS);
+ }
+
+ return -ETIME;
+}
+
+/**
+ * efa_com_dev_reset - Perform device FLR to the device.
+ * @edev: EFA communication layer struct
+ * @reset_reason: Specify what is the trigger for the reset in case of an error.
+ *
+ * @return - 0 on success, negative value on failure.
+ */
+int efa_com_dev_reset(struct efa_com_dev *edev,
+ enum efa_regs_reset_reason_types reset_reason)
+{
+ u32 stat, timeout, cap, reset_val;
+ int err;
+
+ stat = efa_com_reg_read32(edev, EFA_REGS_DEV_STS_OFF);
+ cap = efa_com_reg_read32(edev, EFA_REGS_CAPS_OFF);
+
+ if (!(stat & EFA_REGS_DEV_STS_READY_MASK)) {
+ ibdev_err(edev->efa_dev,
+ "Device isn't ready, can't reset device\n");
+ return -EINVAL;
+ }
+
+ timeout = (cap & EFA_REGS_CAPS_RESET_TIMEOUT_MASK) >>
+ EFA_REGS_CAPS_RESET_TIMEOUT_SHIFT;
+ if (!timeout) {
+ ibdev_err(edev->efa_dev, "Invalid timeout value\n");
+ return -EINVAL;
+ }
+
+ /* start reset */
+ reset_val = EFA_REGS_DEV_CTL_DEV_RESET_MASK;
+ reset_val |= (reset_reason << EFA_REGS_DEV_CTL_RESET_REASON_SHIFT) &
+ EFA_REGS_DEV_CTL_RESET_REASON_MASK;
+ writel(reset_val, edev->reg_bar + EFA_REGS_DEV_CTL_OFF);
+
+ /* reset clears the mmio readless address, restore it */
+ efa_com_mmio_reg_read_resp_addr_init(edev);
+
+ err = wait_for_reset_state(edev, timeout,
+ EFA_REGS_DEV_STS_RESET_IN_PROGRESS_MASK);
+ if (err) {
+ ibdev_err(edev->efa_dev, "Reset indication didn't turn on\n");
+ return err;
+ }
+
+ /* reset done */
+ writel(0, edev->reg_bar + EFA_REGS_DEV_CTL_OFF);
+ err = wait_for_reset_state(edev, timeout, 0);
+ if (err) {
+ ibdev_err(edev->efa_dev, "Reset indication didn't turn off\n");
+ return err;
+ }
+
+ timeout = (cap & EFA_REGS_CAPS_ADMIN_CMD_TO_MASK) >>
+ EFA_REGS_CAPS_ADMIN_CMD_TO_SHIFT;
+ if (timeout)
+ /* the resolution of timeout reg is 100ms */
+ edev->aq.completion_timeout = timeout * 100000;
+ else
+ edev->aq.completion_timeout = ADMIN_CMD_TIMEOUT_US;
+
+ return 0;
+}
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
+/*
+ * Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All rights reserved.
+ */
+
+#ifndef _EFA_COM_H_
+#define _EFA_COM_H_
+
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/dma-mapping.h>
+#include <linux/semaphore.h>
+#include <linux/sched.h>
+
+#include <rdma/ib_verbs.h>
+
+#include "efa_common_defs.h"
+#include "efa_admin_defs.h"
+#include "efa_admin_cmds_defs.h"
+#include "efa_regs_defs.h"
+
+#define EFA_MAX_HANDLERS 256
+
+struct efa_com_admin_cq {
+ struct efa_admin_acq_entry *entries;
+ dma_addr_t dma_addr;
+ spinlock_t lock; /* Protects ACQ */
+
+ u16 cc; /* consumer counter */
+ u8 phase;
+};
+
+struct efa_com_admin_sq {
+ struct efa_admin_aq_entry *entries;
+ dma_addr_t dma_addr;
+ spinlock_t lock; /* Protects ASQ */
+
+ u32 __iomem *db_addr;
+
+ u16 cc; /* consumer counter */
+ u16 pc; /* producer counter */
+ u8 phase;
+
+};
+
+/* Don't use anything other than atomic64 */
+struct efa_com_stats_admin {
+ atomic64_t aborted_cmd;
+ atomic64_t submitted_cmd;
+ atomic64_t completed_cmd;
+ atomic64_t no_completion;
+};
+
+enum {
+ EFA_AQ_STATE_RUNNING_BIT = 0,
+ EFA_AQ_STATE_POLLING_BIT = 1,
+};
+
+struct efa_com_admin_queue {
+ void *dmadev;
+ void *efa_dev;
+ struct efa_comp_ctx *comp_ctx;
+ u32 completion_timeout; /* usecs */
+ u16 poll_interval; /* msecs */
+ u16 depth;
+ struct efa_com_admin_cq cq;
+ struct efa_com_admin_sq sq;
+ u16 msix_vector_idx;
+
+ unsigned long state;
+
+ /* Count the number of available admin commands */
+ struct semaphore avail_cmds;
+
+ struct efa_com_stats_admin stats;
+
+ spinlock_t comp_ctx_lock; /* Protects completion context pool */
+ u32 *comp_ctx_pool;
+ u16 comp_ctx_pool_next;
+};
+
+struct efa_aenq_handlers;
+
+struct efa_com_aenq {
+ struct efa_admin_aenq_entry *entries;
+ struct efa_aenq_handlers *aenq_handlers;
+ dma_addr_t dma_addr;
+ u32 cc; /* consumer counter */
+ u16 msix_vector_idx;
+ u16 depth;
+ u8 phase;
+};
+
+struct efa_com_mmio_read {
+ struct efa_admin_mmio_req_read_less_resp *read_resp;
+ dma_addr_t read_resp_dma_addr;
+ u16 seq_num;
+ u16 mmio_read_timeout; /* usecs */
+ /* serializes mmio reads */
+ spinlock_t lock;
+};
+
+struct efa_com_dev {
+ struct efa_com_admin_queue aq;
+ struct efa_com_aenq aenq;
+ u8 __iomem *reg_bar;
+ void *dmadev;
+ void *efa_dev;
+ u32 supported_features;
+ u32 dma_addr_bits;
+
+ struct efa_com_mmio_read mmio_read;
+};
+
+typedef void (*efa_aenq_handler)(void *data,
+ struct efa_admin_aenq_entry *aenq_e);
+
+/* Holds aenq handlers. Indexed by AENQ event group */
+struct efa_aenq_handlers {
+ efa_aenq_handler handlers[EFA_MAX_HANDLERS];
+ efa_aenq_handler unimplemented_handler;
+};
+
+int efa_com_admin_init(struct efa_com_dev *edev,
+ struct efa_aenq_handlers *aenq_handlers);
+void efa_com_admin_destroy(struct efa_com_dev *edev);
+int efa_com_dev_reset(struct efa_com_dev *edev,
+ enum efa_regs_reset_reason_types reset_reason);
+void efa_com_set_admin_polling_mode(struct efa_com_dev *edev, bool polling);
+void efa_com_admin_q_comp_intr_handler(struct efa_com_dev *edev);
+int efa_com_mmio_reg_read_init(struct efa_com_dev *edev);
+void efa_com_mmio_reg_read_destroy(struct efa_com_dev *edev);
+
+int efa_com_validate_version(struct efa_com_dev *edev);
+int efa_com_get_dma_width(struct efa_com_dev *edev);
+
+int efa_com_cmd_exec(struct efa_com_admin_queue *aq,
+ struct efa_admin_aq_entry *cmd,
+ size_t cmd_size,
+ struct efa_admin_acq_entry *comp,
+ size_t comp_size);
+void efa_com_aenq_intr_handler(struct efa_com_dev *edev, void *data);
+
+#endif /* _EFA_COM_H_ */
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
+/*
+ * Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All rights reserved.
+ */
+
+#include "efa.h"
+#include "efa_com.h"
+#include "efa_com_cmd.h"
+
+void efa_com_set_dma_addr(dma_addr_t addr, u32 *addr_high, u32 *addr_low)
+{
+ *addr_low = lower_32_bits(addr);
+ *addr_high = upper_32_bits(addr);
+}
+
+int efa_com_create_qp(struct efa_com_dev *edev,
+ struct efa_com_create_qp_params *params,
+ struct efa_com_create_qp_result *res)
+{
+ struct efa_admin_create_qp_cmd create_qp_cmd = {};
+ struct efa_admin_create_qp_resp cmd_completion;
+ struct efa_com_admin_queue *aq = &edev->aq;
+ int err;
+
+ create_qp_cmd.aq_common_desc.opcode = EFA_ADMIN_CREATE_QP;
+
+ create_qp_cmd.pd = params->pd;
+ create_qp_cmd.qp_type = params->qp_type;
+ create_qp_cmd.rq_base_addr = params->rq_base_addr;
+ create_qp_cmd.send_cq_idx = params->send_cq_idx;
+ create_qp_cmd.recv_cq_idx = params->recv_cq_idx;
+ create_qp_cmd.qp_alloc_size.send_queue_ring_size =
+ params->sq_ring_size_in_bytes;
+ create_qp_cmd.qp_alloc_size.send_queue_depth =
+ params->sq_depth;
+ create_qp_cmd.qp_alloc_size.recv_queue_ring_size =
+ params->rq_ring_size_in_bytes;
+ create_qp_cmd.qp_alloc_size.recv_queue_depth =
+ params->rq_depth;
+ create_qp_cmd.uar = params->uarn;
+
+ err = efa_com_cmd_exec(aq,
+ (struct efa_admin_aq_entry *)&create_qp_cmd,
+ sizeof(create_qp_cmd),
+ (struct efa_admin_acq_entry *)&cmd_completion,
+ sizeof(cmd_completion));
+ if (err) {
+ ibdev_err(edev->efa_dev, "Failed to create qp [%d]\n", err);
+ return err;
+ }
+
+ res->qp_handle = cmd_completion.qp_handle;
+ res->qp_num = cmd_completion.qp_num;
+ res->sq_db_offset = cmd_completion.sq_db_offset;
+ res->rq_db_offset = cmd_completion.rq_db_offset;
+ res->llq_descriptors_offset = cmd_completion.llq_descriptors_offset;
+ res->send_sub_cq_idx = cmd_completion.send_sub_cq_idx;
+ res->recv_sub_cq_idx = cmd_completion.recv_sub_cq_idx;
+
+ return err;
+}
+
+int efa_com_modify_qp(struct efa_com_dev *edev,
+ struct efa_com_modify_qp_params *params)
+{
+ struct efa_com_admin_queue *aq = &edev->aq;
+ struct efa_admin_modify_qp_cmd cmd = {};
+ struct efa_admin_modify_qp_resp resp;
+ int err;
+
+ cmd.aq_common_desc.opcode = EFA_ADMIN_MODIFY_QP;
+ cmd.modify_mask = params->modify_mask;
+ cmd.qp_handle = params->qp_handle;
+ cmd.qp_state = params->qp_state;
+ cmd.cur_qp_state = params->cur_qp_state;
+ cmd.qkey = params->qkey;
+ cmd.sq_psn = params->sq_psn;
+ cmd.sq_drained_async_notify = params->sq_drained_async_notify;
+
+ err = efa_com_cmd_exec(aq,
+ (struct efa_admin_aq_entry *)&cmd,
+ sizeof(cmd),
+ (struct efa_admin_acq_entry *)&resp,
+ sizeof(resp));
+ if (err) {
+ ibdev_err(edev->efa_dev,
+ "Failed to modify qp-%u modify_mask[%#x] [%d]\n",
+ cmd.qp_handle, cmd.modify_mask, err);
+ return err;
+ }
+
+ return 0;
+}
+
+int efa_com_query_qp(struct efa_com_dev *edev,
+ struct efa_com_query_qp_params *params,
+ struct efa_com_query_qp_result *result)
+{
+ struct efa_com_admin_queue *aq = &edev->aq;
+ struct efa_admin_query_qp_cmd cmd = {};
+ struct efa_admin_query_qp_resp resp;
+ int err;
+
+ cmd.aq_common_desc.opcode = EFA_ADMIN_QUERY_QP;
+ cmd.qp_handle = params->qp_handle;
+
+ err = efa_com_cmd_exec(aq,
+ (struct efa_admin_aq_entry *)&cmd,
+ sizeof(cmd),
+ (struct efa_admin_acq_entry *)&resp,
+ sizeof(resp));
+ if (err) {
+ ibdev_err(edev->efa_dev, "Failed to query qp-%u [%d]\n",
+ cmd.qp_handle, err);
+ return err;
+ }
+
+ result->qp_state = resp.qp_state;
+ result->qkey = resp.qkey;
+ result->sq_draining = resp.sq_draining;
+ result->sq_psn = resp.sq_psn;
+
+ return 0;
+}
+
+int efa_com_destroy_qp(struct efa_com_dev *edev,
+ struct efa_com_destroy_qp_params *params)
+{
+ struct efa_admin_destroy_qp_resp cmd_completion;
+ struct efa_admin_destroy_qp_cmd qp_cmd = {};
+ struct efa_com_admin_queue *aq = &edev->aq;
+ int err;
+
+ qp_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_QP;
+ qp_cmd.qp_handle = params->qp_handle;
+
+ err = efa_com_cmd_exec(aq,
+ (struct efa_admin_aq_entry *)&qp_cmd,
+ sizeof(qp_cmd),
+ (struct efa_admin_acq_entry *)&cmd_completion,
+ sizeof(cmd_completion));
+ if (err)
+ ibdev_err(edev->efa_dev, "Failed to destroy qp-%u [%d]\n",
+ qp_cmd.qp_handle, err);
+
+ return 0;
+}
+
+int efa_com_create_cq(struct efa_com_dev *edev,
+ struct efa_com_create_cq_params *params,
+ struct efa_com_create_cq_result *result)
+{
+ struct efa_admin_create_cq_resp cmd_completion;
+ struct efa_admin_create_cq_cmd create_cmd = {};
+ struct efa_com_admin_queue *aq = &edev->aq;
+ int err;
+
+ create_cmd.aq_common_desc.opcode = EFA_ADMIN_CREATE_CQ;
+ create_cmd.cq_caps_2 = (params->entry_size_in_bytes / 4) &
+ EFA_ADMIN_CREATE_CQ_CMD_CQ_ENTRY_SIZE_WORDS_MASK;
+ create_cmd.cq_depth = params->cq_depth;
+ create_cmd.num_sub_cqs = params->num_sub_cqs;
+ create_cmd.uar = params->uarn;
+
+ efa_com_set_dma_addr(params->dma_addr,
+ &create_cmd.cq_ba.mem_addr_high,
+ &create_cmd.cq_ba.mem_addr_low);
+
+ err = efa_com_cmd_exec(aq,
+ (struct efa_admin_aq_entry *)&create_cmd,
+ sizeof(create_cmd),
+ (struct efa_admin_acq_entry *)&cmd_completion,
+ sizeof(cmd_completion));
+ if (err) {
+ ibdev_err(edev->efa_dev, "Failed to create cq[%d]\n", err);
+ return err;
+ }
+
+ result->cq_idx = cmd_completion.cq_idx;
+ result->actual_depth = params->cq_depth;
+
+ return err;
+}
+
+int efa_com_destroy_cq(struct efa_com_dev *edev,
+ struct efa_com_destroy_cq_params *params)
+{
+ struct efa_admin_destroy_cq_cmd destroy_cmd = {};
+ struct efa_admin_destroy_cq_resp destroy_resp;
+ struct efa_com_admin_queue *aq = &edev->aq;
+ int err;
+
+ destroy_cmd.cq_idx = params->cq_idx;
+ destroy_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_CQ;
+
+ err = efa_com_cmd_exec(aq,
+ (struct efa_admin_aq_entry *)&destroy_cmd,
+ sizeof(destroy_cmd),
+ (struct efa_admin_acq_entry *)&destroy_resp,
+ sizeof(destroy_resp));
+
+ if (err)
+ ibdev_err(edev->efa_dev, "Failed to destroy CQ-%u [%d]\n",
+ params->cq_idx, err);
+
+ return 0;
+}
+
+int efa_com_register_mr(struct efa_com_dev *edev,
+ struct efa_com_reg_mr_params *params,
+ struct efa_com_reg_mr_result *result)
+{
+ struct efa_admin_reg_mr_resp cmd_completion;
+ struct efa_com_admin_queue *aq = &edev->aq;
+ struct efa_admin_reg_mr_cmd mr_cmd = {};
+ int err;
+
+ mr_cmd.aq_common_desc.opcode = EFA_ADMIN_REG_MR;
+ mr_cmd.pd = params->pd;
+ mr_cmd.mr_length = params->mr_length_in_bytes;
+ mr_cmd.flags |= params->page_shift &
+ EFA_ADMIN_REG_MR_CMD_PHYS_PAGE_SIZE_SHIFT_MASK;
+ mr_cmd.iova = params->iova;
+ mr_cmd.permissions |= params->permissions &
+ EFA_ADMIN_REG_MR_CMD_LOCAL_WRITE_ENABLE_MASK;
+
+ if (params->inline_pbl) {
+ memcpy(mr_cmd.pbl.inline_pbl_array,
+ params->pbl.inline_pbl_array,
+ sizeof(mr_cmd.pbl.inline_pbl_array));
+ } else {
+ mr_cmd.pbl.pbl.length = params->pbl.pbl.length;
+ mr_cmd.pbl.pbl.address.mem_addr_low =
+ params->pbl.pbl.address.mem_addr_low;
+ mr_cmd.pbl.pbl.address.mem_addr_high =
+ params->pbl.pbl.address.mem_addr_high;
+ mr_cmd.aq_common_desc.flags |=
+ EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_MASK;
+ if (params->indirect)
+ mr_cmd.aq_common_desc.flags |=
+ EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_MASK;
+ }
+
+ err = efa_com_cmd_exec(aq,
+ (struct efa_admin_aq_entry *)&mr_cmd,
+ sizeof(mr_cmd),
+ (struct efa_admin_acq_entry *)&cmd_completion,
+ sizeof(cmd_completion));
+ if (err) {
+ ibdev_err(edev->efa_dev, "Failed to register mr [%d]\n", err);
+ return err;
+ }
+
+ result->l_key = cmd_completion.l_key;
+ result->r_key = cmd_completion.r_key;
+
+ return 0;
+}
+
+int efa_com_dereg_mr(struct efa_com_dev *edev,
+ struct efa_com_dereg_mr_params *params)
+{
+ struct efa_admin_dereg_mr_resp cmd_completion;
+ struct efa_com_admin_queue *aq = &edev->aq;
+ struct efa_admin_dereg_mr_cmd mr_cmd = {};
+ int err;
+
+ mr_cmd.aq_common_desc.opcode = EFA_ADMIN_DEREG_MR;
+ mr_cmd.l_key = params->l_key;
+
+ err = efa_com_cmd_exec(aq,
+ (struct efa_admin_aq_entry *)&mr_cmd,
+ sizeof(mr_cmd),
+ (struct efa_admin_acq_entry *)&cmd_completion,
+ sizeof(cmd_completion));
+ if (err)
+ ibdev_err(edev->efa_dev,
+ "Failed to de-register mr(lkey-%u) [%d]\n",
+ mr_cmd.l_key, err);
+
+ return 0;
+}
+
+int efa_com_create_ah(struct efa_com_dev *edev,
+ struct efa_com_create_ah_params *params,
+ struct efa_com_create_ah_result *result)
+{
+ struct efa_admin_create_ah_resp cmd_completion;
+ struct efa_com_admin_queue *aq = &edev->aq;
+ struct efa_admin_create_ah_cmd ah_cmd = {};
+ int err;
+
+ ah_cmd.aq_common_desc.opcode = EFA_ADMIN_CREATE_AH;
+
+ memcpy(ah_cmd.dest_addr, params->dest_addr, sizeof(ah_cmd.dest_addr));
+ ah_cmd.pd = params->pdn;
+
+ err = efa_com_cmd_exec(aq,
+ (struct efa_admin_aq_entry *)&ah_cmd,
+ sizeof(ah_cmd),
+ (struct efa_admin_acq_entry *)&cmd_completion,
+ sizeof(cmd_completion));
+ if (err) {
+ ibdev_err(edev->efa_dev, "Failed to create ah [%d]\n", err);
+ return err;
+ }
+
+ result->ah = cmd_completion.ah;
+
+ return 0;
+}
+
+int efa_com_destroy_ah(struct efa_com_dev *edev,
+ struct efa_com_destroy_ah_params *params)
+{
+ struct efa_admin_destroy_ah_resp cmd_completion;
+ struct efa_admin_destroy_ah_cmd ah_cmd = {};
+ struct efa_com_admin_queue *aq = &edev->aq;
+ int err;
+
+ ah_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_AH;
+ ah_cmd.ah = params->ah;
+ ah_cmd.pd = params->pdn;
+
+ err = efa_com_cmd_exec(aq,
+ (struct efa_admin_aq_entry *)&ah_cmd,
+ sizeof(ah_cmd),
+ (struct efa_admin_acq_entry *)&cmd_completion,
+ sizeof(cmd_completion));
+ if (err)
+ ibdev_err(edev->efa_dev, "Failed to destroy ah-%d pd-%d [%d]\n",
+ ah_cmd.ah, ah_cmd.pd, err);
+
+ return 0;
+}
+
+static bool
+efa_com_check_supported_feature_id(struct efa_com_dev *edev,
+ enum efa_admin_aq_feature_id feature_id)
+{
+ u32 feature_mask = 1 << feature_id;
+
+ /* Device attributes is always supported */
+ if (feature_id != EFA_ADMIN_DEVICE_ATTR &&
+ !(edev->supported_features & feature_mask))
+ return false;
+
+ return true;
+}
+
+static int efa_com_get_feature_ex(struct efa_com_dev *edev,
+ struct efa_admin_get_feature_resp *get_resp,
+ enum efa_admin_aq_feature_id feature_id,
+ dma_addr_t control_buf_dma_addr,
+ u32 control_buff_size)
+{
+ struct efa_admin_get_feature_cmd get_cmd = {};
+ struct efa_com_admin_queue *aq;
+ int err;
+
+ if (!efa_com_check_supported_feature_id(edev, feature_id)) {
+ ibdev_err(edev->efa_dev, "Feature %d isn't supported\n",
+ feature_id);
+ return -EOPNOTSUPP;
+ }
+
+ aq = &edev->aq;
+
+ get_cmd.aq_common_descriptor.opcode = EFA_ADMIN_GET_FEATURE;
+
+ if (control_buff_size)
+ get_cmd.aq_common_descriptor.flags =
+ EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_MASK;
+
+
+ efa_com_set_dma_addr(control_buf_dma_addr,
+ &get_cmd.control_buffer.address.mem_addr_high,
+ &get_cmd.control_buffer.address.mem_addr_low);
+
+ get_cmd.control_buffer.length = control_buff_size;
+ get_cmd.feature_common.feature_id = feature_id;
+ err = efa_com_cmd_exec(aq,
+ (struct efa_admin_aq_entry *)
+ &get_cmd,
+ sizeof(get_cmd),
+ (struct efa_admin_acq_entry *)
+ get_resp,
+ sizeof(*get_resp));
+
+ if (err)
+ ibdev_err(edev->efa_dev,
+ "Failed to submit get_feature command %d [%d]\n",
+ feature_id, err);
+
+ return 0;
+}
+
+static int efa_com_get_feature(struct efa_com_dev *edev,
+ struct efa_admin_get_feature_resp *get_resp,
+ enum efa_admin_aq_feature_id feature_id)
+{
+ return efa_com_get_feature_ex(edev, get_resp, feature_id, 0, 0);
+}
+
+int efa_com_get_network_attr(struct efa_com_dev *edev,
+ struct efa_com_get_network_attr_result *result)
+{
+ struct efa_admin_get_feature_resp resp;
+ int err;
+
+ err = efa_com_get_feature(edev, &resp,
+ EFA_ADMIN_NETWORK_ATTR);
+ if (err) {
+ ibdev_err(edev->efa_dev,
+ "Failed to get network attributes %d\n", err);
+ return err;
+ }
+
+ memcpy(result->addr, resp.u.network_attr.addr,
+ sizeof(resp.u.network_attr.addr));
+ result->mtu = resp.u.network_attr.mtu;
+
+ return 0;
+}
+
+int efa_com_get_device_attr(struct efa_com_dev *edev,
+ struct efa_com_get_device_attr_result *result)
+{
+ struct efa_admin_get_feature_resp resp;
+ int err;
+
+ err = efa_com_get_feature(edev, &resp, EFA_ADMIN_DEVICE_ATTR);
+ if (err) {
+ ibdev_err(edev->efa_dev, "Failed to get device attributes %d\n",
+ err);
+ return err;
+ }
+
+ result->page_size_cap = resp.u.device_attr.page_size_cap;
+ result->fw_version = resp.u.device_attr.fw_version;
+ result->admin_api_version = resp.u.device_attr.admin_api_version;
+ result->device_version = resp.u.device_attr.device_version;
+ result->supported_features = resp.u.device_attr.supported_features;
+ result->phys_addr_width = resp.u.device_attr.phys_addr_width;
+ result->virt_addr_width = resp.u.device_attr.virt_addr_width;
+ result->db_bar = resp.u.device_attr.db_bar;
+
+ if (result->admin_api_version < 1) {
+ ibdev_err(edev->efa_dev,
+ "Failed to get device attr api version [%u < 1]\n",
+ result->admin_api_version);
+ return -EINVAL;
+ }
+
+ edev->supported_features = resp.u.device_attr.supported_features;
+ err = efa_com_get_feature(edev, &resp,
+ EFA_ADMIN_QUEUE_ATTR);
+ if (err) {
+ ibdev_err(edev->efa_dev,
+ "Failed to get network attributes %d\n", err);
+ return err;
+ }
+
+ result->max_qp = resp.u.queue_attr.max_qp;
+ result->max_sq_depth = resp.u.queue_attr.max_sq_depth;
+ result->max_rq_depth = resp.u.queue_attr.max_rq_depth;
+ result->max_cq = resp.u.queue_attr.max_cq;
+ result->max_cq_depth = resp.u.queue_attr.max_cq_depth;
+ result->inline_buf_size = resp.u.queue_attr.inline_buf_size;
+ result->max_sq_sge = resp.u.queue_attr.max_wr_send_sges;
+ result->max_rq_sge = resp.u.queue_attr.max_wr_recv_sges;
+ result->max_mr = resp.u.queue_attr.max_mr;
+ result->max_mr_pages = resp.u.queue_attr.max_mr_pages;
+ result->max_pd = resp.u.queue_attr.max_pd;
+ result->max_ah = resp.u.queue_attr.max_ah;
+ result->max_llq_size = resp.u.queue_attr.max_llq_size;
+ result->sub_cqs_per_cq = resp.u.queue_attr.sub_cqs_per_cq;
+
+ return 0;
+}
+
+int efa_com_get_hw_hints(struct efa_com_dev *edev,
+ struct efa_com_get_hw_hints_result *result)
+{
+ struct efa_admin_get_feature_resp resp;
+ int err;
+
+ err = efa_com_get_feature(edev, &resp, EFA_ADMIN_HW_HINTS);
+ if (err) {
+ ibdev_err(edev->efa_dev, "Failed to get hw hints %d\n", err);
+ return err;
+ }
+
+ result->admin_completion_timeout = resp.u.hw_hints.admin_completion_timeout;
+ result->driver_watchdog_timeout = resp.u.hw_hints.driver_watchdog_timeout;
+ result->mmio_read_timeout = resp.u.hw_hints.mmio_read_timeout;
+ result->poll_interval = resp.u.hw_hints.poll_interval;
+
+ return 0;
+}
+
+static int efa_com_set_feature_ex(struct efa_com_dev *edev,
+ struct efa_admin_set_feature_resp *set_resp,
+ struct efa_admin_set_feature_cmd *set_cmd,
+ enum efa_admin_aq_feature_id feature_id,
+ dma_addr_t control_buf_dma_addr,
+ u32 control_buff_size)
+{
+ struct efa_com_admin_queue *aq;
+ int err;
+
+ if (!efa_com_check_supported_feature_id(edev, feature_id)) {
+ ibdev_err(edev->efa_dev, "Feature %d isn't supported\n",
+ feature_id);
+ return -EOPNOTSUPP;
+ }
+
+ aq = &edev->aq;
+
+ set_cmd->aq_common_descriptor.opcode = EFA_ADMIN_SET_FEATURE;
+ if (control_buff_size) {
+ set_cmd->aq_common_descriptor.flags =
+ EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_MASK;
+ efa_com_set_dma_addr(control_buf_dma_addr,
+ &set_cmd->control_buffer.address.mem_addr_high,
+ &set_cmd->control_buffer.address.mem_addr_low);
+ }
+
+ set_cmd->control_buffer.length = control_buff_size;
+ set_cmd->feature_common.feature_id = feature_id;
+ err = efa_com_cmd_exec(aq,
+ (struct efa_admin_aq_entry *)set_cmd,
+ sizeof(*set_cmd),
+ (struct efa_admin_acq_entry *)set_resp,
+ sizeof(*set_resp));
+
+ if (err)
+ ibdev_err(edev->efa_dev,
+ "Failed to submit set_feature command %d error: %d\n",
+ feature_id, err);
+
+ return 0;
+}
+
+static int efa_com_set_feature(struct efa_com_dev *edev,
+ struct efa_admin_set_feature_resp *set_resp,
+ struct efa_admin_set_feature_cmd *set_cmd,
+ enum efa_admin_aq_feature_id feature_id)
+{
+ return efa_com_set_feature_ex(edev, set_resp, set_cmd, feature_id,
+ 0, 0);
+}
+
+int efa_com_set_aenq_config(struct efa_com_dev *edev, u32 groups)
+{
+ struct efa_admin_get_feature_resp get_resp;
+ struct efa_admin_set_feature_resp set_resp;
+ struct efa_admin_set_feature_cmd cmd = {};
+ int err;
+
+ ibdev_dbg(edev->efa_dev, "Configuring aenq with groups[%#x]\n", groups);
+
+ err = efa_com_get_feature(edev, &get_resp, EFA_ADMIN_AENQ_CONFIG);
+ if (err) {
+ ibdev_err(edev->efa_dev, "Failed to get aenq attributes: %d\n",
+ err);
+ return err;
+ }
+
+ ibdev_dbg(edev->efa_dev,
+ "Get aenq groups: supported[%#x] enabled[%#x]\n",
+ get_resp.u.aenq.supported_groups,
+ get_resp.u.aenq.enabled_groups);
+
+ if ((get_resp.u.aenq.supported_groups & groups) != groups) {
+ ibdev_err(edev->efa_dev,
+ "Trying to set unsupported aenq groups[%#x] supported[%#x]\n",
+ groups, get_resp.u.aenq.supported_groups);
+ return -EOPNOTSUPP;
+ }
+
+ cmd.u.aenq.enabled_groups = groups;
+ err = efa_com_set_feature(edev, &set_resp, &cmd,
+ EFA_ADMIN_AENQ_CONFIG);
+ if (err) {
+ ibdev_err(edev->efa_dev, "Failed to set aenq attributes: %d\n",
+ err);
+ return err;
+ }
+
+ return 0;
+}
+
+int efa_com_alloc_pd(struct efa_com_dev *edev,
+ struct efa_com_alloc_pd_result *result)
+{
+ struct efa_com_admin_queue *aq = &edev->aq;
+ struct efa_admin_alloc_pd_cmd cmd = {};
+ struct efa_admin_alloc_pd_resp resp;
+ int err;
+
+ cmd.aq_common_descriptor.opcode = EFA_ADMIN_ALLOC_PD;
+
+ err = efa_com_cmd_exec(aq,
+ (struct efa_admin_aq_entry *)&cmd,
+ sizeof(cmd),
+ (struct efa_admin_acq_entry *)&resp,
+ sizeof(resp));
+ if (err) {
+ ibdev_err(edev->efa_dev, "Failed to allocate pd[%d]\n", err);
+ return err;
+ }
+
+ result->pdn = resp.pd;
+
+ return 0;
+}
+
+int efa_com_dealloc_pd(struct efa_com_dev *edev,
+ struct efa_com_dealloc_pd_params *params)
+{
+ struct efa_com_admin_queue *aq = &edev->aq;
+ struct efa_admin_dealloc_pd_cmd cmd = {};
+ struct efa_admin_dealloc_pd_resp resp;
+ int err;
+
+ cmd.aq_common_descriptor.opcode = EFA_ADMIN_DEALLOC_PD;
+ cmd.pd = params->pdn;
+
+ err = efa_com_cmd_exec(aq,
+ (struct efa_admin_aq_entry *)&cmd,
+ sizeof(cmd),
+ (struct efa_admin_acq_entry *)&resp,
+ sizeof(resp));
+ if (err) {
+ ibdev_err(edev->efa_dev, "Failed to deallocate pd-%u [%d]\n",
+ cmd.pd, err);
+ return err;
+ }
+
+ return 0;
+}
+
+int efa_com_alloc_uar(struct efa_com_dev *edev,
+ struct efa_com_alloc_uar_result *result)
+{
+ struct efa_com_admin_queue *aq = &edev->aq;
+ struct efa_admin_alloc_uar_cmd cmd = {};
+ struct efa_admin_alloc_uar_resp resp;
+ int err;
+
+ cmd.aq_common_descriptor.opcode = EFA_ADMIN_ALLOC_UAR;
+
+ err = efa_com_cmd_exec(aq,
+ (struct efa_admin_aq_entry *)&cmd,
+ sizeof(cmd),
+ (struct efa_admin_acq_entry *)&resp,
+ sizeof(resp));
+ if (err) {
+ ibdev_err(edev->efa_dev, "Failed to allocate uar[%d]\n", err);
+ return err;
+ }
+
+ result->uarn = resp.uar;
+
+ return 0;
+}
+
+int efa_com_dealloc_uar(struct efa_com_dev *edev,
+ struct efa_com_dealloc_uar_params *params)
+{
+ struct efa_com_admin_queue *aq = &edev->aq;
+ struct efa_admin_dealloc_uar_cmd cmd = {};
+ struct efa_admin_dealloc_uar_resp resp;
+ int err;
+
+ cmd.aq_common_descriptor.opcode = EFA_ADMIN_DEALLOC_UAR;
+ cmd.uar = params->uarn;
+
+ err = efa_com_cmd_exec(aq,
+ (struct efa_admin_aq_entry *)&cmd,
+ sizeof(cmd),
+ (struct efa_admin_acq_entry *)&resp,
+ sizeof(resp));
+ if (err) {
+ ibdev_err(edev->efa_dev, "Failed to deallocate uar-%u [%d]\n",
+ cmd.uar, err);
+ return err;
+ }
+
+ return 0;
+}
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
+/*
+ * Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All rights reserved.
+ */
+
+#ifndef _EFA_COM_CMD_H_
+#define _EFA_COM_CMD_H_
+
+#include "efa_com.h"
+
+#define EFA_GID_SIZE 16
+
+struct efa_com_create_qp_params {
+ u64 rq_base_addr;
+ u32 send_cq_idx;
+ u32 recv_cq_idx;
+ /*
+ * Send descriptor ring size in bytes,
+ * sufficient for user-provided number of WQEs and SGL size
+ */
+ u32 sq_ring_size_in_bytes;
+ /* Max number of WQEs that will be posted on send queue */
+ u32 sq_depth;
+ /* Recv descriptor ring size in bytes */
+ u32 rq_ring_size_in_bytes;
+ u32 rq_depth;
+ u16 pd;
+ u16 uarn;
+ u8 qp_type;
+};
+
+struct efa_com_create_qp_result {
+ u32 qp_handle;
+ u32 qp_num;
+ u32 sq_db_offset;
+ u32 rq_db_offset;
+ u32 llq_descriptors_offset;
+ u16 send_sub_cq_idx;
+ u16 recv_sub_cq_idx;
+};
+
+struct efa_com_modify_qp_params {
+ u32 modify_mask;
+ u32 qp_handle;
+ u32 qp_state;
+ u32 cur_qp_state;
+ u32 qkey;
+ u32 sq_psn;
+ u8 sq_drained_async_notify;
+};
+
+struct efa_com_query_qp_params {
+ u32 qp_handle;
+};
+
+struct efa_com_query_qp_result {
+ u32 qp_state;
+ u32 qkey;
+ u32 sq_draining;
+ u32 sq_psn;
+};
+
+struct efa_com_destroy_qp_params {
+ u32 qp_handle;
+};
+
+struct efa_com_create_cq_params {
+ /* cq physical base address in OS memory */
+ dma_addr_t dma_addr;
+ /* completion queue depth in # of entries */
+ u16 cq_depth;
+ u16 num_sub_cqs;
+ u16 uarn;
+ u8 entry_size_in_bytes;
+};
+
+struct efa_com_create_cq_result {
+ /* cq identifier */
+ u16 cq_idx;
+ /* actual cq depth in # of entries */
+ u16 actual_depth;
+};
+
+struct efa_com_destroy_cq_params {
+ u16 cq_idx;
+};
+
+struct efa_com_create_ah_params {
+ u16 pdn;
+ /* Destination address in network byte order */
+ u8 dest_addr[EFA_GID_SIZE];
+};
+
+struct efa_com_create_ah_result {
+ u16 ah;
+};
+
+struct efa_com_destroy_ah_params {
+ u16 ah;
+ u16 pdn;
+};
+
+struct efa_com_get_network_attr_result {
+ u8 addr[EFA_GID_SIZE];
+ u32 mtu;
+};
+
+struct efa_com_get_device_attr_result {
+ u64 page_size_cap;
+ u64 max_mr_pages;
+ u32 fw_version;
+ u32 admin_api_version;
+ u32 device_version;
+ u32 supported_features;
+ u32 phys_addr_width;
+ u32 virt_addr_width;
+ u32 max_qp;
+ u32 max_sq_depth; /* wqes */
+ u32 max_rq_depth; /* wqes */
+ u32 max_cq;
+ u32 max_cq_depth; /* cqes */
+ u32 inline_buf_size;
+ u32 max_mr;
+ u32 max_pd;
+ u32 max_ah;
+ u32 max_llq_size;
+ u16 sub_cqs_per_cq;
+ u16 max_sq_sge;
+ u16 max_rq_sge;
+ u8 db_bar;
+};
+
+struct efa_com_get_hw_hints_result {
+ u16 mmio_read_timeout;
+ u16 driver_watchdog_timeout;
+ u16 admin_completion_timeout;
+ u16 poll_interval;
+ u32 reserved[4];
+};
+
+struct efa_com_mem_addr {
+ u32 mem_addr_low;
+ u32 mem_addr_high;
+};
+
+/* Used at indirect mode page list chunks for chaining */
+struct efa_com_ctrl_buff_info {
+ /* indicates length of the buffer pointed by control_buffer_address. */
+ u32 length;
+ /* points to control buffer (direct or indirect) */
+ struct efa_com_mem_addr address;
+};
+
+struct efa_com_reg_mr_params {
+ /* Memory region length, in bytes. */
+ u64 mr_length_in_bytes;
+ /* IO Virtual Address associated with this MR. */
+ u64 iova;
+ /* words 8:15: Physical Buffer List, each element is page-aligned. */
+ union {
+ /*
+ * Inline array of physical addresses of app pages
+ * (optimization for short region reservations)
+ */
+ u64 inline_pbl_array[4];
+ /*
+ * Describes the next physically contiguous chunk of indirect
+ * page list. A page list contains physical addresses of command
+ * data pages. Data pages are 4KB; page list chunks are
+ * variable-sized.
+ */
+ struct efa_com_ctrl_buff_info pbl;
+ } pbl;
+ /* number of pages in PBL (redundant, could be calculated) */
+ u32 page_num;
+ /* Protection Domain */
+ u16 pd;
+ /*
+ * phys_page_size_shift - page size is (1 << phys_page_size_shift)
+ * Page size is used for building the Virtual to Physical
+ * address mapping
+ */
+ u8 page_shift;
+ /*
+ * permissions
+ * 0: local_write_enable - Write permissions: value of 1 needed
+ * for RQ buffers and for RDMA write:1: reserved1 - remote
+ * access flags, etc
+ */
+ u8 permissions;
+ u8 inline_pbl;
+ u8 indirect;
+};
+
+struct efa_com_reg_mr_result {
+ /*
+ * To be used in conjunction with local buffers references in SQ and
+ * RQ WQE
+ */
+ u32 l_key;
+ /*
+ * To be used in incoming RDMA semantics messages to refer to remotely
+ * accessed memory region
+ */
+ u32 r_key;
+};
+
+struct efa_com_dereg_mr_params {
+ u32 l_key;
+};
+
+struct efa_com_alloc_pd_result {
+ u16 pdn;
+};
+
+struct efa_com_dealloc_pd_params {
+ u16 pdn;
+};
+
+struct efa_com_alloc_uar_result {
+ u16 uarn;
+};
+
+struct efa_com_dealloc_uar_params {
+ u16 uarn;
+};
+
+void efa_com_set_dma_addr(dma_addr_t addr, u32 *addr_high, u32 *addr_low);
+int efa_com_create_qp(struct efa_com_dev *edev,
+ struct efa_com_create_qp_params *params,
+ struct efa_com_create_qp_result *res);
+int efa_com_modify_qp(struct efa_com_dev *edev,
+ struct efa_com_modify_qp_params *params);
+int efa_com_query_qp(struct efa_com_dev *edev,
+ struct efa_com_query_qp_params *params,
+ struct efa_com_query_qp_result *result);
+int efa_com_destroy_qp(struct efa_com_dev *edev,
+ struct efa_com_destroy_qp_params *params);
+int efa_com_create_cq(struct efa_com_dev *edev,
+ struct efa_com_create_cq_params *params,
+ struct efa_com_create_cq_result *result);
+int efa_com_destroy_cq(struct efa_com_dev *edev,
+ struct efa_com_destroy_cq_params *params);
+int efa_com_register_mr(struct efa_com_dev *edev,
+ struct efa_com_reg_mr_params *params,
+ struct efa_com_reg_mr_result *result);
+int efa_com_dereg_mr(struct efa_com_dev *edev,
+ struct efa_com_dereg_mr_params *params);
+int efa_com_create_ah(struct efa_com_dev *edev,
+ struct efa_com_create_ah_params *params,
+ struct efa_com_create_ah_result *result);
+int efa_com_destroy_ah(struct efa_com_dev *edev,
+ struct efa_com_destroy_ah_params *params);
+int efa_com_get_network_attr(struct efa_com_dev *edev,
+ struct efa_com_get_network_attr_result *result);
+int efa_com_get_device_attr(struct efa_com_dev *edev,
+ struct efa_com_get_device_attr_result *result);
+int efa_com_get_hw_hints(struct efa_com_dev *edev,
+ struct efa_com_get_hw_hints_result *result);
+int efa_com_set_aenq_config(struct efa_com_dev *edev, u32 groups);
+int efa_com_alloc_pd(struct efa_com_dev *edev,
+ struct efa_com_alloc_pd_result *result);
+int efa_com_dealloc_pd(struct efa_com_dev *edev,
+ struct efa_com_dealloc_pd_params *params);
+int efa_com_alloc_uar(struct efa_com_dev *edev,
+ struct efa_com_alloc_uar_result *result);
+int efa_com_dealloc_uar(struct efa_com_dev *edev,
+ struct efa_com_dealloc_uar_params *params);
+
+#endif /* _EFA_COM_CMD_H_ */
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
+/*
+ * Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All rights reserved.
+ */
+
+#ifndef _EFA_COMMON_H_
+#define _EFA_COMMON_H_
+
+#define EFA_COMMON_SPEC_VERSION_MAJOR 2
+#define EFA_COMMON_SPEC_VERSION_MINOR 0
+
+struct efa_common_mem_addr {
+ u32 mem_addr_low;
+
+ u32 mem_addr_high;
+};
+
+#endif /* _EFA_COMMON_H_ */
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
+/*
+ * Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All rights reserved.
+ */
+
+#include <linux/module.h>
+#include <linux/pci.h>
+
+#include <rdma/ib_user_verbs.h>
+
+#include "efa.h"
+
+#define PCI_DEV_ID_EFA_VF 0xefa0
+
+static const struct pci_device_id efa_pci_tbl[] = {
+ { PCI_VDEVICE(AMAZON, PCI_DEV_ID_EFA_VF) },
+ { }
+};
+
+MODULE_AUTHOR("Amazon.com, Inc. or its affiliates");
+MODULE_LICENSE("Dual BSD/GPL");
+MODULE_DESCRIPTION(DEVICE_NAME);
+MODULE_DEVICE_TABLE(pci, efa_pci_tbl);
+
+#define EFA_REG_BAR 0
+#define EFA_MEM_BAR 2
+#define EFA_BASE_BAR_MASK (BIT(EFA_REG_BAR) | BIT(EFA_MEM_BAR))
+
+#define EFA_AENQ_ENABLED_GROUPS \
+ (BIT(EFA_ADMIN_FATAL_ERROR) | BIT(EFA_ADMIN_WARNING) | \
+ BIT(EFA_ADMIN_NOTIFICATION) | BIT(EFA_ADMIN_KEEP_ALIVE))
+
+static void efa_update_network_attr(struct efa_dev *dev,
+ struct efa_com_get_network_attr_result *network_attr)
+{
+ memcpy(dev->addr, network_attr->addr, sizeof(network_attr->addr));
+ dev->mtu = network_attr->mtu;
+
+ dev_dbg(&dev->pdev->dev, "Full address %pI6\n", dev->addr);
+}
+
+/* This handler will called for unknown event group or unimplemented handlers */
+static void unimplemented_aenq_handler(void *data,
+ struct efa_admin_aenq_entry *aenq_e)
+{
+ struct efa_dev *dev = (struct efa_dev *)data;
+
+ ibdev_err(&dev->ibdev,
+ "Unknown event was received or event with unimplemented handler\n");
+}
+
+static void efa_keep_alive(void *data, struct efa_admin_aenq_entry *aenq_e)
+{
+ struct efa_dev *dev = (struct efa_dev *)data;
+
+ atomic64_inc(&dev->stats.keep_alive_rcvd);
+}
+
+static struct efa_aenq_handlers aenq_handlers = {
+ .handlers = {
+ [EFA_ADMIN_KEEP_ALIVE] = efa_keep_alive,
+ },
+ .unimplemented_handler = unimplemented_aenq_handler
+};
+
+static void efa_release_bars(struct efa_dev *dev, int bars_mask)
+{
+ struct pci_dev *pdev = dev->pdev;
+ int release_bars;
+
+ release_bars = pci_select_bars(pdev, IORESOURCE_MEM) & bars_mask;
+ pci_release_selected_regions(pdev, release_bars);
+}
+
+static irqreturn_t efa_intr_msix_mgmnt(int irq, void *data)
+{
+ struct efa_dev *dev = data;
+
+ efa_com_admin_q_comp_intr_handler(&dev->edev);
+ efa_com_aenq_intr_handler(&dev->edev, data);
+
+ return IRQ_HANDLED;
+}
+
+static int efa_request_mgmnt_irq(struct efa_dev *dev)
+{
+ struct efa_irq *irq;
+ int err;
+
+ irq = &dev->admin_irq;
+ err = request_irq(irq->vector, irq->handler, 0, irq->name,
+ irq->data);
+ if (err) {
+ dev_err(&dev->pdev->dev, "Failed to request admin irq (%d)\n",
+ err);
+ return err;
+ }
+
+ dev_dbg(&dev->pdev->dev, "Set affinity hint of mgmnt irq to %*pbl (irq vector: %d)\n",
+ nr_cpumask_bits, &irq->affinity_hint_mask, irq->vector);
+ irq_set_affinity_hint(irq->vector, &irq->affinity_hint_mask);
+
+ return err;
+}
+
+static void efa_setup_mgmnt_irq(struct efa_dev *dev)
+{
+ u32 cpu;
+
+ snprintf(dev->admin_irq.name, EFA_IRQNAME_SIZE,
+ "efa-mgmnt@pci:%s", pci_name(dev->pdev));
+ dev->admin_irq.handler = efa_intr_msix_mgmnt;
+ dev->admin_irq.data = dev;
+ dev->admin_irq.vector =
+ pci_irq_vector(dev->pdev, dev->admin_msix_vector_idx);
+ cpu = cpumask_first(cpu_online_mask);
+ dev->admin_irq.cpu = cpu;
+ cpumask_set_cpu(cpu,
+ &dev->admin_irq.affinity_hint_mask);
+ dev_info(&dev->pdev->dev, "Setup irq:0x%p vector:%d name:%s\n",
+ &dev->admin_irq,
+ dev->admin_irq.vector,
+ dev->admin_irq.name);
+}
+
+static void efa_free_mgmnt_irq(struct efa_dev *dev)
+{
+ struct efa_irq *irq;
+
+ irq = &dev->admin_irq;
+ irq_set_affinity_hint(irq->vector, NULL);
+ free_irq(irq->vector, irq->data);
+}
+
+static int efa_set_mgmnt_irq(struct efa_dev *dev)
+{
+ efa_setup_mgmnt_irq(dev);
+
+ return efa_request_mgmnt_irq(dev);
+}
+
+static int efa_request_doorbell_bar(struct efa_dev *dev)
+{
+ u8 db_bar_idx = dev->dev_attr.db_bar;
+ struct pci_dev *pdev = dev->pdev;
+ int bars;
+ int err;
+
+ if (!(BIT(db_bar_idx) & EFA_BASE_BAR_MASK)) {
+ bars = pci_select_bars(pdev, IORESOURCE_MEM) & BIT(db_bar_idx);
+
+ err = pci_request_selected_regions(pdev, bars, DRV_MODULE_NAME);
+ if (err) {
+ dev_err(&dev->pdev->dev,
+ "pci_request_selected_regions for bar %d failed %d\n",
+ db_bar_idx, err);
+ return err;
+ }
+ }
+
+ dev->db_bar_addr = pci_resource_start(dev->pdev, db_bar_idx);
+ dev->db_bar_len = pci_resource_len(dev->pdev, db_bar_idx);
+
+ return 0;
+}
+
+static void efa_release_doorbell_bar(struct efa_dev *dev)
+{
+ if (!(BIT(dev->dev_attr.db_bar) & EFA_BASE_BAR_MASK))
+ efa_release_bars(dev, BIT(dev->dev_attr.db_bar));
+}
+
+static void efa_update_hw_hints(struct efa_dev *dev,
+ struct efa_com_get_hw_hints_result *hw_hints)
+{
+ struct efa_com_dev *edev = &dev->edev;
+
+ if (hw_hints->mmio_read_timeout)
+ edev->mmio_read.mmio_read_timeout =
+ hw_hints->mmio_read_timeout * 1000;
+
+ if (hw_hints->poll_interval)
+ edev->aq.poll_interval = hw_hints->poll_interval;
+
+ if (hw_hints->admin_completion_timeout)
+ edev->aq.completion_timeout =
+ hw_hints->admin_completion_timeout;
+}
+
+static void efa_stats_init(struct efa_dev *dev)
+{
+ atomic64_t *s = (atomic64_t *)&dev->stats;
+ int i;
+
+ for (i = 0; i < sizeof(dev->stats) / sizeof(*s); i++, s++)
+ atomic64_set(s, 0);
+}
+
+static const struct ib_device_ops efa_dev_ops = {
+ .alloc_pd = efa_alloc_pd,
+ .alloc_ucontext = efa_alloc_ucontext,
+ .create_ah = efa_create_ah,
+ .create_cq = efa_create_cq,
+ .create_qp = efa_create_qp,
+ .dealloc_pd = efa_dealloc_pd,
+ .dealloc_ucontext = efa_dealloc_ucontext,
+ .dereg_mr = efa_dereg_mr,
+ .destroy_ah = efa_destroy_ah,
+ .destroy_cq = efa_destroy_cq,
+ .destroy_qp = efa_destroy_qp,
+ .get_link_layer = efa_port_link_layer,
+ .get_port_immutable = efa_get_port_immutable,
+ .mmap = efa_mmap,
+ .modify_qp = efa_modify_qp,
+ .query_device = efa_query_device,
+ .query_gid = efa_query_gid,
+ .query_pkey = efa_query_pkey,
+ .query_port = efa_query_port,
+ .query_qp = efa_query_qp,
+ .reg_user_mr = efa_reg_mr,
+
+ INIT_RDMA_OBJ_SIZE(ib_ah, efa_ah, ibah),
+ INIT_RDMA_OBJ_SIZE(ib_pd, efa_pd, ibpd),
+ INIT_RDMA_OBJ_SIZE(ib_ucontext, efa_ucontext, ibucontext),
+};
+
+static int efa_ib_device_add(struct efa_dev *dev)
+{
+ struct efa_com_get_network_attr_result network_attr;
+ struct efa_com_get_hw_hints_result hw_hints;
+ struct pci_dev *pdev = dev->pdev;
+ int err;
+
+ efa_stats_init(dev);
+
+ err = efa_com_get_device_attr(&dev->edev, &dev->dev_attr);
+ if (err)
+ return err;
+
+ dev_dbg(&dev->pdev->dev, "Doorbells bar (%d)\n", dev->dev_attr.db_bar);
+ err = efa_request_doorbell_bar(dev);
+ if (err)
+ return err;
+
+ err = efa_com_get_network_attr(&dev->edev, &network_attr);
+ if (err)
+ goto err_release_doorbell_bar;
+
+ efa_update_network_attr(dev, &network_attr);
+
+ err = efa_com_get_hw_hints(&dev->edev, &hw_hints);
+ if (err)
+ goto err_release_doorbell_bar;
+
+ efa_update_hw_hints(dev, &hw_hints);
+
+ /* Try to enable all the available aenq groups */
+ err = efa_com_set_aenq_config(&dev->edev, EFA_AENQ_ENABLED_GROUPS);
+ if (err)
+ goto err_release_doorbell_bar;
+
+ dev->ibdev.owner = THIS_MODULE;
+ dev->ibdev.node_type = RDMA_NODE_UNSPECIFIED;
+ dev->ibdev.phys_port_cnt = 1;
+ dev->ibdev.num_comp_vectors = 1;
+ dev->ibdev.dev.parent = &pdev->dev;
+ dev->ibdev.uverbs_abi_ver = EFA_UVERBS_ABI_VERSION;
+
+ dev->ibdev.uverbs_cmd_mask =
+ (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) |
+ (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) |
+ (1ull << IB_USER_VERBS_CMD_QUERY_PORT) |
+ (1ull << IB_USER_VERBS_CMD_ALLOC_PD) |
+ (1ull << IB_USER_VERBS_CMD_DEALLOC_PD) |
+ (1ull << IB_USER_VERBS_CMD_REG_MR) |
+ (1ull << IB_USER_VERBS_CMD_DEREG_MR) |
+ (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) |
+ (1ull << IB_USER_VERBS_CMD_CREATE_CQ) |
+ (1ull << IB_USER_VERBS_CMD_DESTROY_CQ) |
+ (1ull << IB_USER_VERBS_CMD_CREATE_QP) |
+ (1ull << IB_USER_VERBS_CMD_MODIFY_QP) |
+ (1ull << IB_USER_VERBS_CMD_QUERY_QP) |
+ (1ull << IB_USER_VERBS_CMD_DESTROY_QP) |
+ (1ull << IB_USER_VERBS_CMD_CREATE_AH) |
+ (1ull << IB_USER_VERBS_CMD_DESTROY_AH);
+
+ dev->ibdev.uverbs_ex_cmd_mask =
+ (1ull << IB_USER_VERBS_EX_CMD_QUERY_DEVICE);
+
+ dev->ibdev.driver_id = RDMA_DRIVER_EFA;
+ ib_set_device_ops(&dev->ibdev, &efa_dev_ops);
+
+ err = ib_register_device(&dev->ibdev, "efa_%d");
+ if (err)
+ goto err_release_doorbell_bar;
+
+ ibdev_info(&dev->ibdev, "IB device registered\n");
+
+ return 0;
+
+err_release_doorbell_bar:
+ efa_release_doorbell_bar(dev);
+ return err;
+}
+
+static void efa_ib_device_remove(struct efa_dev *dev)
+{
+ efa_com_dev_reset(&dev->edev, EFA_REGS_RESET_NORMAL);
+ ibdev_info(&dev->ibdev, "Unregister ib device\n");
+ ib_unregister_device(&dev->ibdev);
+ efa_release_doorbell_bar(dev);
+}
+
+static void efa_disable_msix(struct efa_dev *dev)
+{
+ pci_free_irq_vectors(dev->pdev);
+}
+
+static int efa_enable_msix(struct efa_dev *dev)
+{
+ int msix_vecs, irq_num;
+
+ /* Reserve the max msix vectors we might need */
+ msix_vecs = EFA_NUM_MSIX_VEC;
+ dev_dbg(&dev->pdev->dev, "Trying to enable MSI-X, vectors %d\n",
+ msix_vecs);
+
+ dev->admin_msix_vector_idx = EFA_MGMNT_MSIX_VEC_IDX;
+ irq_num = pci_alloc_irq_vectors(dev->pdev, msix_vecs,
+ msix_vecs, PCI_IRQ_MSIX);
+
+ if (irq_num < 0) {
+ dev_err(&dev->pdev->dev, "Failed to enable MSI-X. irq_num %d\n",
+ irq_num);
+ return -ENOSPC;
+ }
+
+ if (irq_num != msix_vecs) {
+ dev_err(&dev->pdev->dev,
+ "Allocated %d MSI-X (out of %d requested)\n",
+ irq_num, msix_vecs);
+ return -ENOSPC;
+ }
+
+ return 0;
+}
+
+static int efa_device_init(struct efa_com_dev *edev, struct pci_dev *pdev)
+{
+ int dma_width;
+ int err;
+
+ err = efa_com_dev_reset(edev, EFA_REGS_RESET_NORMAL);
+ if (err)
+ return err;
+
+ err = efa_com_validate_version(edev);
+ if (err)
+ return err;
+
+ dma_width = efa_com_get_dma_width(edev);
+ if (dma_width < 0) {
+ err = dma_width;
+ return err;
+ }
+
+ err = pci_set_dma_mask(pdev, DMA_BIT_MASK(dma_width));
+ if (err) {
+ dev_err(&pdev->dev, "pci_set_dma_mask failed %d\n", err);
+ return err;
+ }
+
+ err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(dma_width));
+ if (err) {
+ dev_err(&pdev->dev,
+ "err_pci_set_consistent_dma_mask failed %d\n",
+ err);
+ return err;
+ }
+
+ return 0;
+}
+
+static struct efa_dev *efa_probe_device(struct pci_dev *pdev)
+{
+ struct efa_com_dev *edev;
+ struct efa_dev *dev;
+ int bars;
+ int err;
+
+ err = pci_enable_device_mem(pdev);
+ if (err) {
+ dev_err(&pdev->dev, "pci_enable_device_mem() failed!\n");
+ return ERR_PTR(err);
+ }
+
+ pci_set_master(pdev);
+
+ dev = ib_alloc_device(efa_dev, ibdev);
+ if (!dev) {
+ dev_err(&pdev->dev, "Device alloc failed\n");
+ err = -ENOMEM;
+ goto err_disable_device;
+ }
+
+ pci_set_drvdata(pdev, dev);
+ edev = &dev->edev;
+ edev->efa_dev = dev;
+ edev->dmadev = &pdev->dev;
+ dev->pdev = pdev;
+
+ bars = pci_select_bars(pdev, IORESOURCE_MEM) & EFA_BASE_BAR_MASK;
+ err = pci_request_selected_regions(pdev, bars, DRV_MODULE_NAME);
+ if (err) {
+ dev_err(&pdev->dev, "pci_request_selected_regions failed %d\n",
+ err);
+ goto err_ibdev_destroy;
+ }
+
+ dev->reg_bar_addr = pci_resource_start(pdev, EFA_REG_BAR);
+ dev->reg_bar_len = pci_resource_len(pdev, EFA_REG_BAR);
+ dev->mem_bar_addr = pci_resource_start(pdev, EFA_MEM_BAR);
+ dev->mem_bar_len = pci_resource_len(pdev, EFA_MEM_BAR);
+
+ edev->reg_bar = devm_ioremap(&pdev->dev,
+ dev->reg_bar_addr,
+ dev->reg_bar_len);
+ if (!edev->reg_bar) {
+ dev_err(&pdev->dev, "Failed to remap register bar\n");
+ err = -EFAULT;
+ goto err_release_bars;
+ }
+
+ err = efa_com_mmio_reg_read_init(edev);
+ if (err) {
+ dev_err(&pdev->dev, "Failed to init readless MMIO\n");
+ goto err_iounmap;
+ }
+
+ err = efa_device_init(edev, pdev);
+ if (err) {
+ dev_err(&pdev->dev, "EFA device init failed\n");
+ if (err == -ETIME)
+ err = -EPROBE_DEFER;
+ goto err_reg_read_destroy;
+ }
+
+ err = efa_enable_msix(dev);
+ if (err)
+ goto err_reg_read_destroy;
+
+ edev->aq.msix_vector_idx = dev->admin_msix_vector_idx;
+ edev->aenq.msix_vector_idx = dev->admin_msix_vector_idx;
+
+ err = efa_set_mgmnt_irq(dev);
+ if (err)
+ goto err_disable_msix;
+
+ err = efa_com_admin_init(edev, &aenq_handlers);
+ if (err)
+ goto err_free_mgmnt_irq;
+
+ return dev;
+
+err_free_mgmnt_irq:
+ efa_free_mgmnt_irq(dev);
+err_disable_msix:
+ efa_disable_msix(dev);
+err_reg_read_destroy:
+ efa_com_mmio_reg_read_destroy(edev);
+err_iounmap:
+ devm_iounmap(&pdev->dev, edev->reg_bar);
+err_release_bars:
+ efa_release_bars(dev, EFA_BASE_BAR_MASK);
+err_ibdev_destroy:
+ ib_dealloc_device(&dev->ibdev);
+err_disable_device:
+ pci_disable_device(pdev);
+ return ERR_PTR(err);
+}
+
+static void efa_remove_device(struct pci_dev *pdev)
+{
+ struct efa_dev *dev = pci_get_drvdata(pdev);
+ struct efa_com_dev *edev;
+
+ edev = &dev->edev;
+ efa_com_admin_destroy(edev);
+ efa_free_mgmnt_irq(dev);
+ efa_disable_msix(dev);
+ efa_com_mmio_reg_read_destroy(edev);
+ devm_iounmap(&pdev->dev, edev->reg_bar);
+ efa_release_bars(dev, EFA_BASE_BAR_MASK);
+ ib_dealloc_device(&dev->ibdev);
+ pci_disable_device(pdev);
+}
+
+static int efa_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+ struct efa_dev *dev;
+ int err;
+
+ dev = efa_probe_device(pdev);
+ if (IS_ERR(dev))
+ return PTR_ERR(dev);
+
+ err = efa_ib_device_add(dev);
+ if (err)
+ goto err_remove_device;
+
+ return 0;
+
+err_remove_device:
+ efa_remove_device(pdev);
+ return err;
+}
+
+static void efa_remove(struct pci_dev *pdev)
+{
+ struct efa_dev *dev = pci_get_drvdata(pdev);
+
+ efa_ib_device_remove(dev);
+ efa_remove_device(pdev);
+}
+
+static struct pci_driver efa_pci_driver = {
+ .name = DRV_MODULE_NAME,
+ .id_table = efa_pci_tbl,
+ .probe = efa_probe,
+ .remove = efa_remove,
+};
+
+module_pci_driver(efa_pci_driver);
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
+/*
+ * Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All rights reserved.
+ */
+
+#ifndef _EFA_REGS_H_
+#define _EFA_REGS_H_
+
+enum efa_regs_reset_reason_types {
+ EFA_REGS_RESET_NORMAL = 0,
+ /* Keep alive timeout */
+ EFA_REGS_RESET_KEEP_ALIVE_TO = 1,
+ EFA_REGS_RESET_ADMIN_TO = 2,
+ EFA_REGS_RESET_INIT_ERR = 3,
+ EFA_REGS_RESET_DRIVER_INVALID_STATE = 4,
+ EFA_REGS_RESET_OS_TRIGGER = 5,
+ EFA_REGS_RESET_SHUTDOWN = 6,
+ EFA_REGS_RESET_USER_TRIGGER = 7,
+ EFA_REGS_RESET_GENERIC = 8,
+};
+
+/* efa_registers offsets */
+
+/* 0 base */
+#define EFA_REGS_VERSION_OFF 0x0
+#define EFA_REGS_CONTROLLER_VERSION_OFF 0x4
+#define EFA_REGS_CAPS_OFF 0x8
+#define EFA_REGS_AQ_BASE_LO_OFF 0x10
+#define EFA_REGS_AQ_BASE_HI_OFF 0x14
+#define EFA_REGS_AQ_CAPS_OFF 0x18
+#define EFA_REGS_ACQ_BASE_LO_OFF 0x20
+#define EFA_REGS_ACQ_BASE_HI_OFF 0x24
+#define EFA_REGS_ACQ_CAPS_OFF 0x28
+#define EFA_REGS_AQ_PROD_DB_OFF 0x2c
+#define EFA_REGS_AENQ_CAPS_OFF 0x34
+#define EFA_REGS_AENQ_BASE_LO_OFF 0x38
+#define EFA_REGS_AENQ_BASE_HI_OFF 0x3c
+#define EFA_REGS_AENQ_CONS_DB_OFF 0x40
+#define EFA_REGS_INTR_MASK_OFF 0x4c
+#define EFA_REGS_DEV_CTL_OFF 0x54
+#define EFA_REGS_DEV_STS_OFF 0x58
+#define EFA_REGS_MMIO_REG_READ_OFF 0x5c
+#define EFA_REGS_MMIO_RESP_LO_OFF 0x60
+#define EFA_REGS_MMIO_RESP_HI_OFF 0x64
+
+/* version register */
+#define EFA_REGS_VERSION_MINOR_VERSION_MASK 0xff
+#define EFA_REGS_VERSION_MAJOR_VERSION_SHIFT 8
+#define EFA_REGS_VERSION_MAJOR_VERSION_MASK 0xff00
+
+/* controller_version register */
+#define EFA_REGS_CONTROLLER_VERSION_SUBMINOR_VERSION_MASK 0xff
+#define EFA_REGS_CONTROLLER_VERSION_MINOR_VERSION_SHIFT 8
+#define EFA_REGS_CONTROLLER_VERSION_MINOR_VERSION_MASK 0xff00
+#define EFA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_SHIFT 16
+#define EFA_REGS_CONTROLLER_VERSION_MAJOR_VERSION_MASK 0xff0000
+#define EFA_REGS_CONTROLLER_VERSION_IMPL_ID_SHIFT 24
+#define EFA_REGS_CONTROLLER_VERSION_IMPL_ID_MASK 0xff000000
+
+/* caps register */
+#define EFA_REGS_CAPS_CONTIGUOUS_QUEUE_REQUIRED_MASK 0x1
+#define EFA_REGS_CAPS_RESET_TIMEOUT_SHIFT 1
+#define EFA_REGS_CAPS_RESET_TIMEOUT_MASK 0x3e
+#define EFA_REGS_CAPS_DMA_ADDR_WIDTH_SHIFT 8
+#define EFA_REGS_CAPS_DMA_ADDR_WIDTH_MASK 0xff00
+#define EFA_REGS_CAPS_ADMIN_CMD_TO_SHIFT 16
+#define EFA_REGS_CAPS_ADMIN_CMD_TO_MASK 0xf0000
+
+/* aq_caps register */
+#define EFA_REGS_AQ_CAPS_AQ_DEPTH_MASK 0xffff
+#define EFA_REGS_AQ_CAPS_AQ_ENTRY_SIZE_SHIFT 16
+#define EFA_REGS_AQ_CAPS_AQ_ENTRY_SIZE_MASK 0xffff0000
+
+/* acq_caps register */
+#define EFA_REGS_ACQ_CAPS_ACQ_DEPTH_MASK 0xffff
+#define EFA_REGS_ACQ_CAPS_ACQ_ENTRY_SIZE_SHIFT 16
+#define EFA_REGS_ACQ_CAPS_ACQ_ENTRY_SIZE_MASK 0xff0000
+#define EFA_REGS_ACQ_CAPS_ACQ_MSIX_VECTOR_SHIFT 24
+#define EFA_REGS_ACQ_CAPS_ACQ_MSIX_VECTOR_MASK 0xff000000
+
+/* aenq_caps register */
+#define EFA_REGS_AENQ_CAPS_AENQ_DEPTH_MASK 0xffff
+#define EFA_REGS_AENQ_CAPS_AENQ_ENTRY_SIZE_SHIFT 16
+#define EFA_REGS_AENQ_CAPS_AENQ_ENTRY_SIZE_MASK 0xff0000
+#define EFA_REGS_AENQ_CAPS_AENQ_MSIX_VECTOR_SHIFT 24
+#define EFA_REGS_AENQ_CAPS_AENQ_MSIX_VECTOR_MASK 0xff000000
+
+/* dev_ctl register */
+#define EFA_REGS_DEV_CTL_DEV_RESET_MASK 0x1
+#define EFA_REGS_DEV_CTL_AQ_RESTART_SHIFT 1
+#define EFA_REGS_DEV_CTL_AQ_RESTART_MASK 0x2
+#define EFA_REGS_DEV_CTL_RESET_REASON_SHIFT 28
+#define EFA_REGS_DEV_CTL_RESET_REASON_MASK 0xf0000000
+
+/* dev_sts register */
+#define EFA_REGS_DEV_STS_READY_MASK 0x1
+#define EFA_REGS_DEV_STS_AQ_RESTART_IN_PROGRESS_SHIFT 1
+#define EFA_REGS_DEV_STS_AQ_RESTART_IN_PROGRESS_MASK 0x2
+#define EFA_REGS_DEV_STS_AQ_RESTART_FINISHED_SHIFT 2
+#define EFA_REGS_DEV_STS_AQ_RESTART_FINISHED_MASK 0x4
+#define EFA_REGS_DEV_STS_RESET_IN_PROGRESS_SHIFT 3
+#define EFA_REGS_DEV_STS_RESET_IN_PROGRESS_MASK 0x8
+#define EFA_REGS_DEV_STS_RESET_FINISHED_SHIFT 4
+#define EFA_REGS_DEV_STS_RESET_FINISHED_MASK 0x10
+#define EFA_REGS_DEV_STS_FATAL_ERROR_SHIFT 5
+#define EFA_REGS_DEV_STS_FATAL_ERROR_MASK 0x20
+
+/* mmio_reg_read register */
+#define EFA_REGS_MMIO_REG_READ_REQ_ID_MASK 0xffff
+#define EFA_REGS_MMIO_REG_READ_REG_OFF_SHIFT 16
+#define EFA_REGS_MMIO_REG_READ_REG_OFF_MASK 0xffff0000
+
+#endif /* _EFA_REGS_H_ */
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+/*
+ * Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All rights reserved.
+ */
+
+#include <linux/vmalloc.h>
+
+#include <rdma/ib_addr.h>
+#include <rdma/ib_umem.h>
+#include <rdma/ib_user_verbs.h>
+#include <rdma/ib_verbs.h>
+#include <rdma/uverbs_ioctl.h>
+
+#include "efa.h"
+
+#define EFA_MMAP_FLAG_SHIFT 56
+#define EFA_MMAP_PAGE_MASK GENMASK(EFA_MMAP_FLAG_SHIFT - 1, 0)
+#define EFA_MMAP_INVALID U64_MAX
+
+enum {
+ EFA_MMAP_DMA_PAGE = 0,
+ EFA_MMAP_IO_WC,
+ EFA_MMAP_IO_NC,
+};
+
+#define EFA_AENQ_ENABLED_GROUPS \
+ (BIT(EFA_ADMIN_FATAL_ERROR) | BIT(EFA_ADMIN_WARNING) | \
+ BIT(EFA_ADMIN_NOTIFICATION) | BIT(EFA_ADMIN_KEEP_ALIVE))
+
+struct efa_mmap_entry {
+ void *obj;
+ u64 address;
+ u64 length;
+ u32 mmap_page;
+ u8 mmap_flag;
+};
+
+static inline u64 get_mmap_key(const struct efa_mmap_entry *efa)
+{
+ return ((u64)efa->mmap_flag << EFA_MMAP_FLAG_SHIFT) |
+ ((u64)efa->mmap_page << PAGE_SHIFT);
+}
+
+#define EFA_CHUNK_PAYLOAD_SHIFT 12
+#define EFA_CHUNK_PAYLOAD_SIZE BIT(EFA_CHUNK_PAYLOAD_SHIFT)
+#define EFA_CHUNK_PAYLOAD_PTR_SIZE 8
+
+#define EFA_CHUNK_SHIFT 12
+#define EFA_CHUNK_SIZE BIT(EFA_CHUNK_SHIFT)
+#define EFA_CHUNK_PTR_SIZE sizeof(struct efa_com_ctrl_buff_info)
+
+#define EFA_PTRS_PER_CHUNK \
+ ((EFA_CHUNK_SIZE - EFA_CHUNK_PTR_SIZE) / EFA_CHUNK_PAYLOAD_PTR_SIZE)
+
+#define EFA_CHUNK_USED_SIZE \
+ ((EFA_PTRS_PER_CHUNK * EFA_CHUNK_PAYLOAD_PTR_SIZE) + EFA_CHUNK_PTR_SIZE)
+
+#define EFA_SUPPORTED_ACCESS_FLAGS IB_ACCESS_LOCAL_WRITE
+
+struct pbl_chunk {
+ dma_addr_t dma_addr;
+ u64 *buf;
+ u32 length;
+};
+
+struct pbl_chunk_list {
+ struct pbl_chunk *chunks;
+ unsigned int size;
+};
+
+struct pbl_context {
+ union {
+ struct {
+ dma_addr_t dma_addr;
+ } continuous;
+ struct {
+ u32 pbl_buf_size_in_pages;
+ struct scatterlist *sgl;
+ int sg_dma_cnt;
+ struct pbl_chunk_list chunk_list;
+ } indirect;
+ } phys;
+ u64 *pbl_buf;
+ u32 pbl_buf_size_in_bytes;
+ u8 physically_continuous;
+};
+
+static inline struct efa_dev *to_edev(struct ib_device *ibdev)
+{
+ return container_of(ibdev, struct efa_dev, ibdev);
+}
+
+static inline struct efa_ucontext *to_eucontext(struct ib_ucontext *ibucontext)
+{
+ return container_of(ibucontext, struct efa_ucontext, ibucontext);
+}
+
+static inline struct efa_pd *to_epd(struct ib_pd *ibpd)
+{
+ return container_of(ibpd, struct efa_pd, ibpd);
+}
+
+static inline struct efa_mr *to_emr(struct ib_mr *ibmr)
+{
+ return container_of(ibmr, struct efa_mr, ibmr);
+}
+
+static inline struct efa_qp *to_eqp(struct ib_qp *ibqp)
+{
+ return container_of(ibqp, struct efa_qp, ibqp);
+}
+
+static inline struct efa_cq *to_ecq(struct ib_cq *ibcq)
+{
+ return container_of(ibcq, struct efa_cq, ibcq);
+}
+
+static inline struct efa_ah *to_eah(struct ib_ah *ibah)
+{
+ return container_of(ibah, struct efa_ah, ibah);
+}
+
+#define field_avail(x, fld, sz) (offsetof(typeof(x), fld) + \
+ sizeof(((typeof(x) *)0)->fld) <= (sz))
+
+#define is_reserved_cleared(reserved) \
+ !memchr_inv(reserved, 0, sizeof(reserved))
+
+static void *efa_zalloc_mapped(struct efa_dev *dev, dma_addr_t *dma_addr,
+ size_t size, enum dma_data_direction dir)
+{
+ void *addr;
+
+ addr = alloc_pages_exact(size, GFP_KERNEL | __GFP_ZERO);
+ if (!addr)
+ return NULL;
+
+ *dma_addr = dma_map_single(&dev->pdev->dev, addr, size, dir);
+ if (dma_mapping_error(&dev->pdev->dev, *dma_addr)) {
+ ibdev_err(&dev->ibdev, "Failed to map DMA address\n");
+ free_pages_exact(addr, size);
+ return NULL;
+ }
+
+ return addr;
+}
+
+/*
+ * This is only called when the ucontext is destroyed and there can be no
+ * concurrent query via mmap or allocate on the xarray, thus we can be sure no
+ * other thread is using the entry pointer. We also know that all the BAR
+ * pages have either been zap'd or munmaped at this point. Normal pages are
+ * refcounted and will be freed at the proper time.
+ */
+static void mmap_entries_remove_free(struct efa_dev *dev,
+ struct efa_ucontext *ucontext)
+{
+ struct efa_mmap_entry *entry;
+ unsigned long mmap_page;
+
+ xa_for_each(&ucontext->mmap_xa, mmap_page, entry) {
+ xa_erase(&ucontext->mmap_xa, mmap_page);
+
+ ibdev_dbg(
+ &dev->ibdev,
+ "mmap: obj[0x%p] key[%#llx] addr[%#llx] len[%#llx] removed\n",
+ entry->obj, get_mmap_key(entry), entry->address,
+ entry->length);
+ if (entry->mmap_flag == EFA_MMAP_DMA_PAGE)
+ /* DMA mapping is already gone, now free the pages */
+ free_pages_exact(phys_to_virt(entry->address),
+ entry->length);
+ kfree(entry);
+ }
+}
+
+static struct efa_mmap_entry *mmap_entry_get(struct efa_dev *dev,
+ struct efa_ucontext *ucontext,
+ u64 key, u64 len)
+{
+ struct efa_mmap_entry *entry;
+ u64 mmap_page;
+
+ mmap_page = (key & EFA_MMAP_PAGE_MASK) >> PAGE_SHIFT;
+ if (mmap_page > U32_MAX)
+ return NULL;
+
+ entry = xa_load(&ucontext->mmap_xa, mmap_page);
+ if (!entry || get_mmap_key(entry) != key || entry->length != len)
+ return NULL;
+
+ ibdev_dbg(&dev->ibdev,
+ "mmap: obj[0x%p] key[%#llx] addr[%#llx] len[%#llx] removed\n",
+ entry->obj, key, entry->address, entry->length);
+
+ return entry;
+}
+
+/*
+ * Note this locking scheme cannot support removal of entries, except during
+ * ucontext destruction when the core code guarentees no concurrency.
+ */
+static u64 mmap_entry_insert(struct efa_dev *dev, struct efa_ucontext *ucontext,
+ void *obj, u64 address, u64 length, u8 mmap_flag)
+{
+ struct efa_mmap_entry *entry;
+ int err;
+
+ entry = kmalloc(sizeof(*entry), GFP_KERNEL);
+ if (!entry)
+ return EFA_MMAP_INVALID;
+
+ entry->obj = obj;
+ entry->address = address;
+ entry->length = length;
+ entry->mmap_flag = mmap_flag;
+
+ xa_lock(&ucontext->mmap_xa);
+ entry->mmap_page = ucontext->mmap_xa_page;
+ ucontext->mmap_xa_page += DIV_ROUND_UP(length, PAGE_SIZE);
+ err = __xa_insert(&ucontext->mmap_xa, entry->mmap_page, entry,
+ GFP_KERNEL);
+ xa_unlock(&ucontext->mmap_xa);
+ if (err){
+ kfree(entry);
+ return EFA_MMAP_INVALID;
+ }
+
+ ibdev_dbg(
+ &dev->ibdev,
+ "mmap: obj[0x%p] addr[%#llx], len[%#llx], key[%#llx] inserted\n",
+ entry->obj, entry->address, entry->length, get_mmap_key(entry));
+
+ return get_mmap_key(entry);
+}
+
+int efa_query_device(struct ib_device *ibdev,
+ struct ib_device_attr *props,
+ struct ib_udata *udata)
+{
+ struct efa_com_get_device_attr_result *dev_attr;
+ struct efa_ibv_ex_query_device_resp resp = {};
+ struct efa_dev *dev = to_edev(ibdev);
+ int err;
+
+ if (udata && udata->inlen &&
+ !ib_is_udata_cleared(udata, 0, udata->inlen)) {
+ ibdev_dbg(ibdev,
+ "Incompatible ABI params, udata not cleared\n");
+ return -EINVAL;
+ }
+
+ dev_attr = &dev->dev_attr;
+
+ memset(props, 0, sizeof(*props));
+ props->max_mr_size = dev_attr->max_mr_pages * PAGE_SIZE;
+ props->page_size_cap = dev_attr->page_size_cap;
+ props->vendor_id = dev->pdev->vendor;
+ props->vendor_part_id = dev->pdev->device;
+ props->hw_ver = dev->pdev->subsystem_device;
+ props->max_qp = dev_attr->max_qp;
+ props->max_cq = dev_attr->max_cq;
+ props->max_pd = dev_attr->max_pd;
+ props->max_mr = dev_attr->max_mr;
+ props->max_ah = dev_attr->max_ah;
+ props->max_cqe = dev_attr->max_cq_depth;
+ props->max_qp_wr = min_t(u32, dev_attr->max_sq_depth,
+ dev_attr->max_rq_depth);
+ props->max_send_sge = dev_attr->max_sq_sge;
+ props->max_recv_sge = dev_attr->max_rq_sge;
+
+ if (udata && udata->outlen) {
+ resp.max_sq_sge = dev_attr->max_sq_sge;
+ resp.max_rq_sge = dev_attr->max_rq_sge;
+ resp.max_sq_wr = dev_attr->max_sq_depth;
+ resp.max_rq_wr = dev_attr->max_rq_depth;
+
+ err = ib_copy_to_udata(udata, &resp,
+ min(sizeof(resp), udata->outlen));
+ if (err) {
+ ibdev_dbg(ibdev,
+ "Failed to copy udata for query_device\n");
+ return err;
+ }
+ }
+
+ return 0;
+}
+
+int efa_query_port(struct ib_device *ibdev, u8 port,
+ struct ib_port_attr *props)
+{
+ struct efa_dev *dev = to_edev(ibdev);
+
+ props->lmc = 1;
+
+ props->state = IB_PORT_ACTIVE;
+ props->phys_state = 5;
+ props->gid_tbl_len = 1;
+ props->pkey_tbl_len = 1;
+ props->active_speed = IB_SPEED_EDR;
+ props->active_width = IB_WIDTH_4X;
+ props->max_mtu = ib_mtu_int_to_enum(dev->mtu);
+ props->active_mtu = ib_mtu_int_to_enum(dev->mtu);
+ props->max_msg_sz = dev->mtu;
+ props->max_vl_num = 1;
+
+ return 0;
+}
+
+int efa_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr,
+ int qp_attr_mask,
+ struct ib_qp_init_attr *qp_init_attr)
+{
+ struct efa_dev *dev = to_edev(ibqp->device);
+ struct efa_com_query_qp_params params = {};
+ struct efa_com_query_qp_result result;
+ struct efa_qp *qp = to_eqp(ibqp);
+ int err;
+
+#define EFA_QUERY_QP_SUPP_MASK \
+ (IB_QP_STATE | IB_QP_PKEY_INDEX | IB_QP_PORT | \
+ IB_QP_QKEY | IB_QP_SQ_PSN | IB_QP_CAP)
+
+ if (qp_attr_mask & ~EFA_QUERY_QP_SUPP_MASK) {
+ ibdev_dbg(&dev->ibdev,
+ "Unsupported qp_attr_mask[%#x] supported[%#x]\n",
+ qp_attr_mask, EFA_QUERY_QP_SUPP_MASK);
+ return -EOPNOTSUPP;
+ }
+
+ memset(qp_attr, 0, sizeof(*qp_attr));
+ memset(qp_init_attr, 0, sizeof(*qp_init_attr));
+
+ params.qp_handle = qp->qp_handle;
+ err = efa_com_query_qp(&dev->edev, ¶ms, &result);
+ if (err)
+ return err;
+
+ qp_attr->qp_state = result.qp_state;
+ qp_attr->qkey = result.qkey;
+ qp_attr->sq_psn = result.sq_psn;
+ qp_attr->sq_draining = result.sq_draining;
+ qp_attr->port_num = 1;
+
+ qp_attr->cap.max_send_wr = qp->max_send_wr;
+ qp_attr->cap.max_recv_wr = qp->max_recv_wr;
+ qp_attr->cap.max_send_sge = qp->max_send_sge;
+ qp_attr->cap.max_recv_sge = qp->max_recv_sge;
+ qp_attr->cap.max_inline_data = qp->max_inline_data;
+
+ qp_init_attr->qp_type = ibqp->qp_type;
+ qp_init_attr->recv_cq = ibqp->recv_cq;
+ qp_init_attr->send_cq = ibqp->send_cq;
+ qp_init_attr->qp_context = ibqp->qp_context;
+ qp_init_attr->cap = qp_attr->cap;
+
+ return 0;
+}
+
+int efa_query_gid(struct ib_device *ibdev, u8 port, int index,
+ union ib_gid *gid)
+{
+ struct efa_dev *dev = to_edev(ibdev);
+
+ memcpy(gid->raw, dev->addr, sizeof(dev->addr));
+
+ return 0;
+}
+
+int efa_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
+ u16 *pkey)
+{
+ if (index > 0)
+ return -EINVAL;
+
+ *pkey = 0xffff;
+ return 0;
+}
+
+static int efa_pd_dealloc(struct efa_dev *dev, u16 pdn)
+{
+ struct efa_com_dealloc_pd_params params = {
+ .pdn = pdn,
+ };
+
+ return efa_com_dealloc_pd(&dev->edev, ¶ms);
+}
+
+int efa_alloc_pd(struct ib_pd *ibpd, struct ib_udata *udata)
+{
+ struct efa_dev *dev = to_edev(ibpd->device);
+ struct efa_ibv_alloc_pd_resp resp = {};
+ struct efa_com_alloc_pd_result result;
+ struct efa_pd *pd = to_epd(ibpd);
+ int err;
+
+ if (udata->inlen &&
+ !ib_is_udata_cleared(udata, 0, udata->inlen)) {
+ ibdev_dbg(&dev->ibdev,
+ "Incompatible ABI params, udata not cleared\n");
+ err = -EINVAL;
+ goto err_out;
+ }
+
+ err = efa_com_alloc_pd(&dev->edev, &result);
+ if (err)
+ goto err_out;
+
+ pd->pdn = result.pdn;
+ resp.pdn = result.pdn;
+
+ if (udata->outlen) {
+ err = ib_copy_to_udata(udata, &resp,
+ min(sizeof(resp), udata->outlen));
+ if (err) {
+ ibdev_dbg(&dev->ibdev,
+ "Failed to copy udata for alloc_pd\n");
+ goto err_dealloc_pd;
+ }
+ }
+
+ ibdev_dbg(&dev->ibdev, "Allocated pd[%d]\n", pd->pdn);
+
+ return 0;
+
+err_dealloc_pd:
+ efa_pd_dealloc(dev, result.pdn);
+err_out:
+ atomic64_inc(&dev->stats.sw_stats.alloc_pd_err);
+ return err;
+}
+
+void efa_dealloc_pd(struct ib_pd *ibpd, struct ib_udata *udata)
+{
+ struct efa_dev *dev = to_edev(ibpd->device);
+ struct efa_pd *pd = to_epd(ibpd);
+
+ if (udata->inlen &&
+ !ib_is_udata_cleared(udata, 0, udata->inlen)) {
+ ibdev_dbg(&dev->ibdev, "Incompatible ABI params\n");
+ return;
+ }
+
+ ibdev_dbg(&dev->ibdev, "Dealloc pd[%d]\n", pd->pdn);
+ efa_pd_dealloc(dev, pd->pdn);
+}
+
+static int efa_destroy_qp_handle(struct efa_dev *dev, u32 qp_handle)
+{
+ struct efa_com_destroy_qp_params params = { .qp_handle = qp_handle };
+
+ return efa_com_destroy_qp(&dev->edev, ¶ms);
+}
+
+int efa_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata)
+{
+ struct efa_dev *dev = to_edev(ibqp->pd->device);
+ struct efa_qp *qp = to_eqp(ibqp);
+ int err;
+
+ if (udata->inlen &&
+ !ib_is_udata_cleared(udata, 0, udata->inlen)) {
+ ibdev_dbg(&dev->ibdev, "Incompatible ABI params\n");
+ return -EINVAL;
+ }
+
+ ibdev_dbg(&dev->ibdev, "Destroy qp[%u]\n", ibqp->qp_num);
+ err = efa_destroy_qp_handle(dev, qp->qp_handle);
+ if (err)
+ return err;
+
+ if (qp->rq_cpu_addr) {
+ ibdev_dbg(&dev->ibdev,
+ "qp->cpu_addr[0x%p] freed: size[%lu], dma[%pad]\n",
+ qp->rq_cpu_addr, qp->rq_size,
+ &qp->rq_dma_addr);
+ dma_unmap_single(&dev->pdev->dev, qp->rq_dma_addr, qp->rq_size,
+ DMA_TO_DEVICE);
+ }
+
+ kfree(qp);
+ return 0;
+}
+
+static int qp_mmap_entries_setup(struct efa_qp *qp,
+ struct efa_dev *dev,
+ struct efa_ucontext *ucontext,
+ struct efa_com_create_qp_params *params,
+ struct efa_ibv_create_qp_resp *resp)
+{
+ /*
+ * Once an entry is inserted it might be mmapped, hence cannot be
+ * cleaned up until dealloc_ucontext.
+ */
+ resp->sq_db_mmap_key =
+ mmap_entry_insert(dev, ucontext, qp,
+ dev->db_bar_addr + resp->sq_db_offset,
+ PAGE_SIZE, EFA_MMAP_IO_NC);
+ if (resp->sq_db_mmap_key == EFA_MMAP_INVALID)
+ return -ENOMEM;
+
+ resp->sq_db_offset &= ~PAGE_MASK;
+
+ resp->llq_desc_mmap_key =
+ mmap_entry_insert(dev, ucontext, qp,
+ dev->mem_bar_addr + resp->llq_desc_offset,
+ PAGE_ALIGN(params->sq_ring_size_in_bytes +
+ (resp->llq_desc_offset & ~PAGE_MASK)),
+ EFA_MMAP_IO_WC);
+ if (resp->llq_desc_mmap_key == EFA_MMAP_INVALID)
+ return -ENOMEM;
+
+ resp->llq_desc_offset &= ~PAGE_MASK;
+
+ if (qp->rq_size) {
+ resp->rq_db_mmap_key =
+ mmap_entry_insert(dev, ucontext, qp,
+ dev->db_bar_addr + resp->rq_db_offset,
+ PAGE_SIZE, EFA_MMAP_IO_NC);
+ if (resp->rq_db_mmap_key == EFA_MMAP_INVALID)
+ return -ENOMEM;
+
+ resp->rq_db_offset &= ~PAGE_MASK;
+
+ resp->rq_mmap_key =
+ mmap_entry_insert(dev, ucontext, qp,
+ virt_to_phys(qp->rq_cpu_addr),
+ qp->rq_size, EFA_MMAP_DMA_PAGE);
+ if (resp->rq_mmap_key == EFA_MMAP_INVALID)
+ return -ENOMEM;
+
+ resp->rq_mmap_size = qp->rq_size;
+ }
+
+ return 0;
+}
+
+static int efa_qp_validate_cap(struct efa_dev *dev,
+ struct ib_qp_init_attr *init_attr)
+{
+ if (init_attr->cap.max_send_wr > dev->dev_attr.max_sq_depth) {
+ ibdev_dbg(&dev->ibdev,
+ "qp: requested send wr[%u] exceeds the max[%u]\n",
+ init_attr->cap.max_send_wr,
+ dev->dev_attr.max_sq_depth);
+ return -EINVAL;
+ }
+ if (init_attr->cap.max_recv_wr > dev->dev_attr.max_rq_depth) {
+ ibdev_dbg(&dev->ibdev,
+ "qp: requested receive wr[%u] exceeds the max[%u]\n",
+ init_attr->cap.max_recv_wr,
+ dev->dev_attr.max_rq_depth);
+ return -EINVAL;
+ }
+ if (init_attr->cap.max_send_sge > dev->dev_attr.max_sq_sge) {
+ ibdev_dbg(&dev->ibdev,
+ "qp: requested sge send[%u] exceeds the max[%u]\n",
+ init_attr->cap.max_send_sge, dev->dev_attr.max_sq_sge);
+ return -EINVAL;
+ }
+ if (init_attr->cap.max_recv_sge > dev->dev_attr.max_rq_sge) {
+ ibdev_dbg(&dev->ibdev,
+ "qp: requested sge recv[%u] exceeds the max[%u]\n",
+ init_attr->cap.max_recv_sge, dev->dev_attr.max_rq_sge);
+ return -EINVAL;
+ }
+ if (init_attr->cap.max_inline_data > dev->dev_attr.inline_buf_size) {
+ ibdev_dbg(&dev->ibdev,
+ "qp: requested inline data[%u] exceeds the max[%u]\n",
+ init_attr->cap.max_inline_data,
+ dev->dev_attr.inline_buf_size);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int efa_qp_validate_attr(struct efa_dev *dev,
+ struct ib_qp_init_attr *init_attr)
+{
+ if (init_attr->qp_type != IB_QPT_DRIVER &&
+ init_attr->qp_type != IB_QPT_UD) {
+ ibdev_dbg(&dev->ibdev,
+ "Unsupported qp type %d\n", init_attr->qp_type);
+ return -EOPNOTSUPP;
+ }
+
+ if (init_attr->srq) {
+ ibdev_dbg(&dev->ibdev, "SRQ is not supported\n");
+ return -EOPNOTSUPP;
+ }
+
+ if (init_attr->create_flags) {
+ ibdev_dbg(&dev->ibdev, "Unsupported create flags\n");
+ return -EOPNOTSUPP;
+ }
+
+ return 0;
+}
+
+struct ib_qp *efa_create_qp(struct ib_pd *ibpd,
+ struct ib_qp_init_attr *init_attr,
+ struct ib_udata *udata)
+{
+ struct efa_com_create_qp_params create_qp_params = {};
+ struct efa_com_create_qp_result create_qp_resp;
+ struct efa_dev *dev = to_edev(ibpd->device);
+ struct efa_ibv_create_qp_resp resp = {};
+ struct efa_ibv_create_qp cmd = {};
+ bool rq_entry_inserted = false;
+ struct efa_ucontext *ucontext;
+ struct efa_qp *qp;
+ int err;
+
+ ucontext = rdma_udata_to_drv_context(udata, struct efa_ucontext,
+ ibucontext);
+
+ err = efa_qp_validate_cap(dev, init_attr);
+ if (err)
+ goto err_out;
+
+ err = efa_qp_validate_attr(dev, init_attr);
+ if (err)
+ goto err_out;
+
+ if (!field_avail(cmd, driver_qp_type, udata->inlen)) {
+ ibdev_dbg(&dev->ibdev,
+ "Incompatible ABI params, no input udata\n");
+ err = -EINVAL;
+ goto err_out;
+ }
+
+ if (udata->inlen > sizeof(cmd) &&
+ !ib_is_udata_cleared(udata, sizeof(cmd),
+ udata->inlen - sizeof(cmd))) {
+ ibdev_dbg(&dev->ibdev,
+ "Incompatible ABI params, unknown fields in udata\n");
+ err = -EINVAL;
+ goto err_out;
+ }
+
+ err = ib_copy_from_udata(&cmd, udata,
+ min(sizeof(cmd), udata->inlen));
+ if (err) {
+ ibdev_dbg(&dev->ibdev,
+ "Cannot copy udata for create_qp\n");
+ goto err_out;
+ }
+
+ if (cmd.comp_mask) {
+ ibdev_dbg(&dev->ibdev,
+ "Incompatible ABI params, unknown fields in udata\n");
+ err = -EINVAL;
+ goto err_out;
+ }
+
+ qp = kzalloc(sizeof(*qp), GFP_KERNEL);
+ if (!qp) {
+ err = -ENOMEM;
+ goto err_out;
+ }
+
+ create_qp_params.uarn = ucontext->uarn;
+ create_qp_params.pd = to_epd(ibpd)->pdn;
+
+ if (init_attr->qp_type == IB_QPT_UD) {
+ create_qp_params.qp_type = EFA_ADMIN_QP_TYPE_UD;
+ } else if (cmd.driver_qp_type == EFA_QP_DRIVER_TYPE_SRD) {
+ create_qp_params.qp_type = EFA_ADMIN_QP_TYPE_SRD;
+ } else {
+ ibdev_dbg(&dev->ibdev,
+ "Unsupported qp type %d driver qp type %d\n",
+ init_attr->qp_type, cmd.driver_qp_type);
+ err = -EOPNOTSUPP;
+ goto err_free_qp;
+ }
+
+ ibdev_dbg(&dev->ibdev, "Create QP: qp type %d driver qp type %#x\n",
+ init_attr->qp_type, cmd.driver_qp_type);
+ create_qp_params.send_cq_idx = to_ecq(init_attr->send_cq)->cq_idx;
+ create_qp_params.recv_cq_idx = to_ecq(init_attr->recv_cq)->cq_idx;
+ create_qp_params.sq_depth = init_attr->cap.max_send_wr;
+ create_qp_params.sq_ring_size_in_bytes = cmd.sq_ring_size;
+
+ create_qp_params.rq_depth = init_attr->cap.max_recv_wr;
+ create_qp_params.rq_ring_size_in_bytes = cmd.rq_ring_size;
+ qp->rq_size = PAGE_ALIGN(create_qp_params.rq_ring_size_in_bytes);
+ if (qp->rq_size) {
+ qp->rq_cpu_addr = efa_zalloc_mapped(dev, &qp->rq_dma_addr,
+ qp->rq_size, DMA_TO_DEVICE);
+ if (!qp->rq_cpu_addr) {
+ err = -ENOMEM;
+ goto err_free_qp;
+ }
+
+ ibdev_dbg(&dev->ibdev,
+ "qp->cpu_addr[0x%p] allocated: size[%lu], dma[%pad]\n",
+ qp->rq_cpu_addr, qp->rq_size, &qp->rq_dma_addr);
+ create_qp_params.rq_base_addr = qp->rq_dma_addr;
+ }
+
+ err = efa_com_create_qp(&dev->edev, &create_qp_params,
+ &create_qp_resp);
+ if (err)
+ goto err_free_mapped;
+
+ resp.sq_db_offset = create_qp_resp.sq_db_offset;
+ resp.rq_db_offset = create_qp_resp.rq_db_offset;
+ resp.llq_desc_offset = create_qp_resp.llq_descriptors_offset;
+ resp.send_sub_cq_idx = create_qp_resp.send_sub_cq_idx;
+ resp.recv_sub_cq_idx = create_qp_resp.recv_sub_cq_idx;
+
+ err = qp_mmap_entries_setup(qp, dev, ucontext, &create_qp_params,
+ &resp);
+ if (err)
+ goto err_destroy_qp;
+
+ rq_entry_inserted = true;
+ qp->qp_handle = create_qp_resp.qp_handle;
+ qp->ibqp.qp_num = create_qp_resp.qp_num;
+ qp->ibqp.qp_type = init_attr->qp_type;
+ qp->max_send_wr = init_attr->cap.max_send_wr;
+ qp->max_recv_wr = init_attr->cap.max_recv_wr;
+ qp->max_send_sge = init_attr->cap.max_send_sge;
+ qp->max_recv_sge = init_attr->cap.max_recv_sge;
+ qp->max_inline_data = init_attr->cap.max_inline_data;
+
+ if (udata->outlen) {
+ err = ib_copy_to_udata(udata, &resp,
+ min(sizeof(resp), udata->outlen));
+ if (err) {
+ ibdev_dbg(&dev->ibdev,
+ "Failed to copy udata for qp[%u]\n",
+ create_qp_resp.qp_num);
+ goto err_destroy_qp;
+ }
+ }
+
+ ibdev_dbg(&dev->ibdev, "Created qp[%d]\n", qp->ibqp.qp_num);
+
+ return &qp->ibqp;
+
+err_destroy_qp:
+ efa_destroy_qp_handle(dev, create_qp_resp.qp_handle);
+err_free_mapped:
+ if (qp->rq_size) {
+ dma_unmap_single(&dev->pdev->dev, qp->rq_dma_addr, qp->rq_size,
+ DMA_TO_DEVICE);
+ if (!rq_entry_inserted)
+ free_pages_exact(qp->rq_cpu_addr, qp->rq_size);
+ }
+err_free_qp:
+ kfree(qp);
+err_out:
+ atomic64_inc(&dev->stats.sw_stats.create_qp_err);
+ return ERR_PTR(err);
+}
+
+static int efa_modify_qp_validate(struct efa_dev *dev, struct efa_qp *qp,
+ struct ib_qp_attr *qp_attr, int qp_attr_mask,
+ enum ib_qp_state cur_state,
+ enum ib_qp_state new_state)
+{
+#define EFA_MODIFY_QP_SUPP_MASK \
+ (IB_QP_STATE | IB_QP_CUR_STATE | IB_QP_EN_SQD_ASYNC_NOTIFY | \
+ IB_QP_PKEY_INDEX | IB_QP_PORT | IB_QP_QKEY | IB_QP_SQ_PSN)
+
+ if (qp_attr_mask & ~EFA_MODIFY_QP_SUPP_MASK) {
+ ibdev_dbg(&dev->ibdev,
+ "Unsupported qp_attr_mask[%#x] supported[%#x]\n",
+ qp_attr_mask, EFA_MODIFY_QP_SUPP_MASK);
+ return -EOPNOTSUPP;
+ }
+
+ if (!ib_modify_qp_is_ok(cur_state, new_state, IB_QPT_UD,
+ qp_attr_mask)) {
+ ibdev_dbg(&dev->ibdev, "Invalid modify QP parameters\n");
+ return -EINVAL;
+ }
+
+ if ((qp_attr_mask & IB_QP_PORT) && qp_attr->port_num != 1) {
+ ibdev_dbg(&dev->ibdev, "Can't change port num\n");
+ return -EOPNOTSUPP;
+ }
+
+ if ((qp_attr_mask & IB_QP_PKEY_INDEX) && qp_attr->pkey_index) {
+ ibdev_dbg(&dev->ibdev, "Can't change pkey index\n");
+ return -EOPNOTSUPP;
+ }
+
+ return 0;
+}
+
+int efa_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr,
+ int qp_attr_mask, struct ib_udata *udata)
+{
+ struct efa_dev *dev = to_edev(ibqp->device);
+ struct efa_com_modify_qp_params params = {};
+ struct efa_qp *qp = to_eqp(ibqp);
+ enum ib_qp_state cur_state;
+ enum ib_qp_state new_state;
+ int err;
+
+ if (udata->inlen &&
+ !ib_is_udata_cleared(udata, 0, udata->inlen)) {
+ ibdev_dbg(&dev->ibdev,
+ "Incompatible ABI params, udata not cleared\n");
+ return -EINVAL;
+ }
+
+ cur_state = qp_attr_mask & IB_QP_CUR_STATE ? qp_attr->cur_qp_state :
+ qp->state;
+ new_state = qp_attr_mask & IB_QP_STATE ? qp_attr->qp_state : cur_state;
+
+ err = efa_modify_qp_validate(dev, qp, qp_attr, qp_attr_mask, cur_state,
+ new_state);
+ if (err)
+ return err;
+
+ params.qp_handle = qp->qp_handle;
+
+ if (qp_attr_mask & IB_QP_STATE) {
+ params.modify_mask |= BIT(EFA_ADMIN_QP_STATE_BIT) |
+ BIT(EFA_ADMIN_CUR_QP_STATE_BIT);
+ params.cur_qp_state = qp_attr->cur_qp_state;
+ params.qp_state = qp_attr->qp_state;
+ }
+
+ if (qp_attr_mask & IB_QP_EN_SQD_ASYNC_NOTIFY) {
+ params.modify_mask |=
+ BIT(EFA_ADMIN_SQ_DRAINED_ASYNC_NOTIFY_BIT);
+ params.sq_drained_async_notify = qp_attr->en_sqd_async_notify;
+ }
+
+ if (qp_attr_mask & IB_QP_QKEY) {
+ params.modify_mask |= BIT(EFA_ADMIN_QKEY_BIT);
+ params.qkey = qp_attr->qkey;
+ }
+
+ if (qp_attr_mask & IB_QP_SQ_PSN) {
+ params.modify_mask |= BIT(EFA_ADMIN_SQ_PSN_BIT);
+ params.sq_psn = qp_attr->sq_psn;
+ }
+
+ err = efa_com_modify_qp(&dev->edev, ¶ms);
+ if (err)
+ return err;
+
+ qp->state = new_state;
+
+ return 0;
+}
+
+static int efa_destroy_cq_idx(struct efa_dev *dev, int cq_idx)
+{
+ struct efa_com_destroy_cq_params params = { .cq_idx = cq_idx };
+
+ return efa_com_destroy_cq(&dev->edev, ¶ms);
+}
+
+int efa_destroy_cq(struct ib_cq *ibcq, struct ib_udata *udata)
+{
+ struct efa_dev *dev = to_edev(ibcq->device);
+ struct efa_cq *cq = to_ecq(ibcq);
+ int err;
+
+ if (udata->inlen &&
+ !ib_is_udata_cleared(udata, 0, udata->inlen)) {
+ ibdev_dbg(&dev->ibdev, "Incompatible ABI params\n");
+ return -EINVAL;
+ }
+
+ ibdev_dbg(&dev->ibdev,
+ "Destroy cq[%d] virt[0x%p] freed: size[%lu], dma[%pad]\n",
+ cq->cq_idx, cq->cpu_addr, cq->size, &cq->dma_addr);
+
+ err = efa_destroy_cq_idx(dev, cq->cq_idx);
+ if (err)
+ return err;
+
+ dma_unmap_single(&dev->pdev->dev, cq->dma_addr, cq->size,
+ DMA_FROM_DEVICE);
+
+ kfree(cq);
+ return 0;
+}
+
+static int cq_mmap_entries_setup(struct efa_dev *dev, struct efa_cq *cq,
+ struct efa_ibv_create_cq_resp *resp)
+{
+ resp->q_mmap_size = cq->size;
+ resp->q_mmap_key = mmap_entry_insert(dev, cq->ucontext, cq,
+ virt_to_phys(cq->cpu_addr),
+ cq->size, EFA_MMAP_DMA_PAGE);
+ if (resp->q_mmap_key == EFA_MMAP_INVALID)
+ return -ENOMEM;
+
+ return 0;
+}
+
+static struct ib_cq *do_create_cq(struct ib_device *ibdev, int entries,
+ int vector, struct ib_ucontext *ibucontext,
+ struct ib_udata *udata)
+{
+ struct efa_ibv_create_cq_resp resp = {};
+ struct efa_com_create_cq_params params;
+ struct efa_com_create_cq_result result;
+ struct efa_dev *dev = to_edev(ibdev);
+ struct efa_ibv_create_cq cmd = {};
+ bool cq_entry_inserted = false;
+ struct efa_cq *cq;
+ int err;
+
+ ibdev_dbg(ibdev, "create_cq entries %d\n", entries);
+
+ if (entries < 1 || entries > dev->dev_attr.max_cq_depth) {
+ ibdev_dbg(ibdev,
+ "cq: requested entries[%u] non-positive or greater than max[%u]\n",
+ entries, dev->dev_attr.max_cq_depth);
+ err = -EINVAL;
+ goto err_out;
+ }
+
+ if (!field_avail(cmd, num_sub_cqs, udata->inlen)) {
+ ibdev_dbg(ibdev,
+ "Incompatible ABI params, no input udata\n");
+ err = -EINVAL;
+ goto err_out;
+ }
+
+ if (udata->inlen > sizeof(cmd) &&
+ !ib_is_udata_cleared(udata, sizeof(cmd),
+ udata->inlen - sizeof(cmd))) {
+ ibdev_dbg(ibdev,
+ "Incompatible ABI params, unknown fields in udata\n");
+ err = -EINVAL;
+ goto err_out;
+ }
+
+ err = ib_copy_from_udata(&cmd, udata,
+ min(sizeof(cmd), udata->inlen));
+ if (err) {
+ ibdev_dbg(ibdev, "Cannot copy udata for create_cq\n");
+ goto err_out;
+ }
+
+ if (cmd.comp_mask || !is_reserved_cleared(cmd.reserved_50)) {
+ ibdev_dbg(ibdev,
+ "Incompatible ABI params, unknown fields in udata\n");
+ err = -EINVAL;
+ goto err_out;
+ }
+
+ if (!cmd.cq_entry_size) {
+ ibdev_dbg(ibdev,
+ "Invalid entry size [%u]\n", cmd.cq_entry_size);
+ err = -EINVAL;
+ goto err_out;
+ }
+
+ if (cmd.num_sub_cqs != dev->dev_attr.sub_cqs_per_cq) {
+ ibdev_dbg(ibdev,
+ "Invalid number of sub cqs[%u] expected[%u]\n",
+ cmd.num_sub_cqs, dev->dev_attr.sub_cqs_per_cq);
+ err = -EINVAL;
+ goto err_out;
+ }
+
+ cq = kzalloc(sizeof(*cq), GFP_KERNEL);
+ if (!cq) {
+ err = -ENOMEM;
+ goto err_out;
+ }
+
+ cq->ucontext = to_eucontext(ibucontext);
+ cq->size = PAGE_ALIGN(cmd.cq_entry_size * entries * cmd.num_sub_cqs);
+ cq->cpu_addr = efa_zalloc_mapped(dev, &cq->dma_addr, cq->size,
+ DMA_FROM_DEVICE);
+ if (!cq->cpu_addr) {
+ err = -ENOMEM;
+ goto err_free_cq;
+ }
+
+ params.uarn = cq->ucontext->uarn;
+ params.cq_depth = entries;
+ params.dma_addr = cq->dma_addr;
+ params.entry_size_in_bytes = cmd.cq_entry_size;
+ params.num_sub_cqs = cmd.num_sub_cqs;
+ err = efa_com_create_cq(&dev->edev, ¶ms, &result);
+ if (err)
+ goto err_free_mapped;
+
+ resp.cq_idx = result.cq_idx;
+ cq->cq_idx = result.cq_idx;
+ cq->ibcq.cqe = result.actual_depth;
+ WARN_ON_ONCE(entries != result.actual_depth);
+
+ err = cq_mmap_entries_setup(dev, cq, &resp);
+ if (err) {
+ ibdev_dbg(ibdev,
+ "Could not setup cq[%u] mmap entries\n", cq->cq_idx);
+ goto err_destroy_cq;
+ }
+
+ cq_entry_inserted = true;
+
+ if (udata->outlen) {
+ err = ib_copy_to_udata(udata, &resp,
+ min(sizeof(resp), udata->outlen));
+ if (err) {
+ ibdev_dbg(ibdev,
+ "Failed to copy udata for create_cq\n");
+ goto err_destroy_cq;
+ }
+ }
+
+ ibdev_dbg(ibdev,
+ "Created cq[%d], cq depth[%u]. dma[%pad] virt[0x%p]\n",
+ cq->cq_idx, result.actual_depth, &cq->dma_addr, cq->cpu_addr);
+
+ return &cq->ibcq;
+
+err_destroy_cq:
+ efa_destroy_cq_idx(dev, cq->cq_idx);
+err_free_mapped:
+ dma_unmap_single(&dev->pdev->dev, cq->dma_addr, cq->size,
+ DMA_FROM_DEVICE);
+ if (!cq_entry_inserted)
+ free_pages_exact(cq->cpu_addr, cq->size);
+err_free_cq:
+ kfree(cq);
+err_out:
+ atomic64_inc(&dev->stats.sw_stats.create_cq_err);
+ return ERR_PTR(err);
+}
+
+struct ib_cq *efa_create_cq(struct ib_device *ibdev,
+ const struct ib_cq_init_attr *attr,
+ struct ib_udata *udata)
+{
+ struct efa_ucontext *ucontext = rdma_udata_to_drv_context(udata,
+ struct efa_ucontext,
+ ibucontext);
+
+ return do_create_cq(ibdev, attr->cqe, attr->comp_vector,
+ &ucontext->ibucontext, udata);
+}
+
+static int umem_to_page_list(struct efa_dev *dev,
+ struct ib_umem *umem,
+ u64 *page_list,
+ u32 hp_cnt,
+ u8 hp_shift)
+{
+ u32 pages_in_hp = BIT(hp_shift - PAGE_SHIFT);
+ struct sg_dma_page_iter sg_iter;
+ unsigned int page_idx = 0;
+ unsigned int hp_idx = 0;
+
+ ibdev_dbg(&dev->ibdev, "hp_cnt[%u], pages_in_hp[%u]\n",
+ hp_cnt, pages_in_hp);
+
+ for_each_sg_dma_page(umem->sg_head.sgl, &sg_iter, umem->nmap, 0) {
+ if (page_idx % pages_in_hp == 0) {
+ page_list[hp_idx] = sg_page_iter_dma_address(&sg_iter);
+ hp_idx++;
+ }
+
+ page_idx++;
+ }
+
+ return 0;
+}
+
+static struct scatterlist *efa_vmalloc_buf_to_sg(u64 *buf, int page_cnt)
+{
+ struct scatterlist *sglist;
+ struct page *pg;
+ int i;
+
+ sglist = kcalloc(page_cnt, sizeof(*sglist), GFP_KERNEL);
+ if (!sglist)
+ return NULL;
+ sg_init_table(sglist, page_cnt);
+ for (i = 0; i < page_cnt; i++) {
+ pg = vmalloc_to_page(buf);
+ if (!pg)
+ goto err;
+ sg_set_page(&sglist[i], pg, PAGE_SIZE, 0);
+ buf += PAGE_SIZE / sizeof(*buf);
+ }
+ return sglist;
+
+err:
+ kfree(sglist);
+ return NULL;
+}
+
+/*
+ * create a chunk list of physical pages dma addresses from the supplied
+ * scatter gather list
+ */
+static int pbl_chunk_list_create(struct efa_dev *dev, struct pbl_context *pbl)
+{
+ unsigned int entry, payloads_in_sg, chunk_list_size, chunk_idx, payload_idx;
+ struct pbl_chunk_list *chunk_list = &pbl->phys.indirect.chunk_list;
+ int page_cnt = pbl->phys.indirect.pbl_buf_size_in_pages;
+ struct scatterlist *pages_sgl = pbl->phys.indirect.sgl;
+ int sg_dma_cnt = pbl->phys.indirect.sg_dma_cnt;
+ struct efa_com_ctrl_buff_info *ctrl_buf;
+ u64 *cur_chunk_buf, *prev_chunk_buf;
+ struct scatterlist *sg;
+ dma_addr_t dma_addr;
+ int i;
+
+ /* allocate a chunk list that consists of 4KB chunks */
+ chunk_list_size = DIV_ROUND_UP(page_cnt, EFA_PTRS_PER_CHUNK);
+
+ chunk_list->size = chunk_list_size;
+ chunk_list->chunks = kcalloc(chunk_list_size,
+ sizeof(*chunk_list->chunks),
+ GFP_KERNEL);
+ if (!chunk_list->chunks)
+ return -ENOMEM;
+
+ ibdev_dbg(&dev->ibdev,
+ "chunk_list_size[%u] - pages[%u]\n", chunk_list_size,
+ page_cnt);
+
+ /* allocate chunk buffers: */
+ for (i = 0; i < chunk_list_size; i++) {
+ chunk_list->chunks[i].buf = kzalloc(EFA_CHUNK_SIZE, GFP_KERNEL);
+ if (!chunk_list->chunks[i].buf)
+ goto chunk_list_dealloc;
+
+ chunk_list->chunks[i].length = EFA_CHUNK_USED_SIZE;
+ }
+ chunk_list->chunks[chunk_list_size - 1].length =
+ ((page_cnt % EFA_PTRS_PER_CHUNK) * EFA_CHUNK_PAYLOAD_PTR_SIZE) +
+ EFA_CHUNK_PTR_SIZE;
+
+ /* fill the dma addresses of sg list pages to chunks: */
+ chunk_idx = 0;
+ payload_idx = 0;
+ cur_chunk_buf = chunk_list->chunks[0].buf;
+ for_each_sg(pages_sgl, sg, sg_dma_cnt, entry) {
+ payloads_in_sg = sg_dma_len(sg) >> EFA_CHUNK_PAYLOAD_SHIFT;
+ for (i = 0; i < payloads_in_sg; i++) {
+ cur_chunk_buf[payload_idx++] =
+ (sg_dma_address(sg) & ~(EFA_CHUNK_PAYLOAD_SIZE - 1)) +
+ (EFA_CHUNK_PAYLOAD_SIZE * i);
+
+ if (payload_idx == EFA_PTRS_PER_CHUNK) {
+ chunk_idx++;
+ cur_chunk_buf = chunk_list->chunks[chunk_idx].buf;
+ payload_idx = 0;
+ }
+ }
+ }
+
+ /* map chunks to dma and fill chunks next ptrs */
+ for (i = chunk_list_size - 1; i >= 0; i--) {
+ dma_addr = dma_map_single(&dev->pdev->dev,
+ chunk_list->chunks[i].buf,
+ chunk_list->chunks[i].length,
+ DMA_TO_DEVICE);
+ if (dma_mapping_error(&dev->pdev->dev, dma_addr)) {
+ ibdev_err(&dev->ibdev,
+ "chunk[%u] dma_map_failed\n", i);
+ goto chunk_list_unmap;
+ }
+
+ chunk_list->chunks[i].dma_addr = dma_addr;
+ ibdev_dbg(&dev->ibdev,
+ "chunk[%u] mapped at [%pad]\n", i, &dma_addr);
+
+ if (!i)
+ break;
+
+ prev_chunk_buf = chunk_list->chunks[i - 1].buf;
+
+ ctrl_buf = (struct efa_com_ctrl_buff_info *)
+ &prev_chunk_buf[EFA_PTRS_PER_CHUNK];
+ ctrl_buf->length = chunk_list->chunks[i].length;
+
+ efa_com_set_dma_addr(dma_addr,
+ &ctrl_buf->address.mem_addr_high,
+ &ctrl_buf->address.mem_addr_low);
+ }
+
+ return 0;
+
+chunk_list_unmap:
+ for (; i < chunk_list_size; i++) {
+ dma_unmap_single(&dev->pdev->dev, chunk_list->chunks[i].dma_addr,
+ chunk_list->chunks[i].length, DMA_TO_DEVICE);
+ }
+chunk_list_dealloc:
+ for (i = 0; i < chunk_list_size; i++)
+ kfree(chunk_list->chunks[i].buf);
+
+ kfree(chunk_list->chunks);
+ return -ENOMEM;
+}
+
+static void pbl_chunk_list_destroy(struct efa_dev *dev, struct pbl_context *pbl)
+{
+ struct pbl_chunk_list *chunk_list = &pbl->phys.indirect.chunk_list;
+ int i;
+
+ for (i = 0; i < chunk_list->size; i++) {
+ dma_unmap_single(&dev->pdev->dev, chunk_list->chunks[i].dma_addr,
+ chunk_list->chunks[i].length, DMA_TO_DEVICE);
+ kfree(chunk_list->chunks[i].buf);
+ }
+
+ kfree(chunk_list->chunks);
+}
+
+/* initialize pbl continuous mode: map pbl buffer to a dma address. */
+static int pbl_continuous_initialize(struct efa_dev *dev,
+ struct pbl_context *pbl)
+{
+ dma_addr_t dma_addr;
+
+ dma_addr = dma_map_single(&dev->pdev->dev, pbl->pbl_buf,
+ pbl->pbl_buf_size_in_bytes, DMA_TO_DEVICE);
+ if (dma_mapping_error(&dev->pdev->dev, dma_addr)) {
+ ibdev_err(&dev->ibdev, "Unable to map pbl to DMA address\n");
+ return -ENOMEM;
+ }
+
+ pbl->phys.continuous.dma_addr = dma_addr;
+ ibdev_dbg(&dev->ibdev,
+ "pbl continuous - dma_addr = %pad, size[%u]\n",
+ &dma_addr, pbl->pbl_buf_size_in_bytes);
+
+ return 0;
+}
+
+/*
+ * initialize pbl indirect mode:
+ * create a chunk list out of the dma addresses of the physical pages of
+ * pbl buffer.
+ */
+static int pbl_indirect_initialize(struct efa_dev *dev, struct pbl_context *pbl)
+{
+ u32 size_in_pages = DIV_ROUND_UP(pbl->pbl_buf_size_in_bytes, PAGE_SIZE);
+ struct scatterlist *sgl;
+ int sg_dma_cnt, err;
+
+ BUILD_BUG_ON(EFA_CHUNK_PAYLOAD_SIZE > PAGE_SIZE);
+ sgl = efa_vmalloc_buf_to_sg(pbl->pbl_buf, size_in_pages);
+ if (!sgl)
+ return -ENOMEM;
+
+ sg_dma_cnt = dma_map_sg(&dev->pdev->dev, sgl, size_in_pages, DMA_TO_DEVICE);
+ if (!sg_dma_cnt) {
+ err = -EINVAL;
+ goto err_map;
+ }
+
+ pbl->phys.indirect.pbl_buf_size_in_pages = size_in_pages;
+ pbl->phys.indirect.sgl = sgl;
+ pbl->phys.indirect.sg_dma_cnt = sg_dma_cnt;
+ err = pbl_chunk_list_create(dev, pbl);
+ if (err) {
+ ibdev_dbg(&dev->ibdev,
+ "chunk_list creation failed[%d]\n", err);
+ goto err_chunk;
+ }
+
+ ibdev_dbg(&dev->ibdev,
+ "pbl indirect - size[%u], chunks[%u]\n",
+ pbl->pbl_buf_size_in_bytes,
+ pbl->phys.indirect.chunk_list.size);
+
+ return 0;
+
+err_chunk:
+ dma_unmap_sg(&dev->pdev->dev, sgl, size_in_pages, DMA_TO_DEVICE);
+err_map:
+ kfree(sgl);
+ return err;
+}
+
+static void pbl_indirect_terminate(struct efa_dev *dev, struct pbl_context *pbl)
+{
+ pbl_chunk_list_destroy(dev, pbl);
+ dma_unmap_sg(&dev->pdev->dev, pbl->phys.indirect.sgl,
+ pbl->phys.indirect.pbl_buf_size_in_pages, DMA_TO_DEVICE);
+ kfree(pbl->phys.indirect.sgl);
+}
+
+/* create a page buffer list from a mapped user memory region */
+static int pbl_create(struct efa_dev *dev,
+ struct pbl_context *pbl,
+ struct ib_umem *umem,
+ int hp_cnt,
+ u8 hp_shift)
+{
+ int err;
+
+ pbl->pbl_buf_size_in_bytes = hp_cnt * EFA_CHUNK_PAYLOAD_PTR_SIZE;
+ pbl->pbl_buf = kzalloc(pbl->pbl_buf_size_in_bytes,
+ GFP_KERNEL | __GFP_NOWARN);
+ if (pbl->pbl_buf) {
+ pbl->physically_continuous = 1;
+ err = umem_to_page_list(dev, umem, pbl->pbl_buf, hp_cnt,
+ hp_shift);
+ if (err)
+ goto err_continuous;
+ err = pbl_continuous_initialize(dev, pbl);
+ if (err)
+ goto err_continuous;
+ } else {
+ pbl->physically_continuous = 0;
+ pbl->pbl_buf = vzalloc(pbl->pbl_buf_size_in_bytes);
+ if (!pbl->pbl_buf)
+ return -ENOMEM;
+
+ err = umem_to_page_list(dev, umem, pbl->pbl_buf, hp_cnt,
+ hp_shift);
+ if (err)
+ goto err_indirect;
+ err = pbl_indirect_initialize(dev, pbl);
+ if (err)
+ goto err_indirect;
+ }
+
+ ibdev_dbg(&dev->ibdev,
+ "user_pbl_created: user_pages[%u], continuous[%u]\n",
+ hp_cnt, pbl->physically_continuous);
+
+ return 0;
+
+err_continuous:
+ kfree(pbl->pbl_buf);
+ return err;
+err_indirect:
+ vfree(pbl->pbl_buf);
+ return err;
+}
+
+static void pbl_destroy(struct efa_dev *dev, struct pbl_context *pbl)
+{
+ if (pbl->physically_continuous) {
+ dma_unmap_single(&dev->pdev->dev, pbl->phys.continuous.dma_addr,
+ pbl->pbl_buf_size_in_bytes, DMA_TO_DEVICE);
+ kfree(pbl->pbl_buf);
+ } else {
+ pbl_indirect_terminate(dev, pbl);
+ vfree(pbl->pbl_buf);
+ }
+}
+
+static int efa_create_inline_pbl(struct efa_dev *dev, struct efa_mr *mr,
+ struct efa_com_reg_mr_params *params)
+{
+ int err;
+
+ params->inline_pbl = 1;
+ err = umem_to_page_list(dev, mr->umem, params->pbl.inline_pbl_array,
+ params->page_num, params->page_shift);
+ if (err)
+ return err;
+
+ ibdev_dbg(&dev->ibdev,
+ "inline_pbl_array - pages[%u]\n", params->page_num);
+
+ return 0;
+}
+
+static int efa_create_pbl(struct efa_dev *dev,
+ struct pbl_context *pbl,
+ struct efa_mr *mr,
+ struct efa_com_reg_mr_params *params)
+{
+ int err;
+
+ err = pbl_create(dev, pbl, mr->umem, params->page_num,
+ params->page_shift);
+ if (err) {
+ ibdev_dbg(&dev->ibdev, "Failed to create pbl[%d]\n", err);
+ return err;
+ }
+
+ params->inline_pbl = 0;
+ params->indirect = !pbl->physically_continuous;
+ if (pbl->physically_continuous) {
+ params->pbl.pbl.length = pbl->pbl_buf_size_in_bytes;
+
+ efa_com_set_dma_addr(pbl->phys.continuous.dma_addr,
+ ¶ms->pbl.pbl.address.mem_addr_high,
+ ¶ms->pbl.pbl.address.mem_addr_low);
+ } else {
+ params->pbl.pbl.length =
+ pbl->phys.indirect.chunk_list.chunks[0].length;
+
+ efa_com_set_dma_addr(pbl->phys.indirect.chunk_list.chunks[0].dma_addr,
+ ¶ms->pbl.pbl.address.mem_addr_high,
+ ¶ms->pbl.pbl.address.mem_addr_low);
+ }
+
+ return 0;
+}
+
+static void efa_cont_pages(struct ib_umem *umem, u64 addr,
+ unsigned long max_page_shift,
+ int *count, u8 *shift, u32 *ncont)
+{
+ struct scatterlist *sg;
+ u64 base = ~0, p = 0;
+ unsigned long tmp;
+ unsigned long m;
+ u64 len, pfn;
+ int i = 0;
+ int entry;
+
+ addr = addr >> PAGE_SHIFT;
+ tmp = (unsigned long)addr;
+ m = find_first_bit(&tmp, BITS_PER_LONG);
+ if (max_page_shift)
+ m = min_t(unsigned long, max_page_shift - PAGE_SHIFT, m);
+
+ for_each_sg(umem->sg_head.sgl, sg, umem->nmap, entry) {
+ len = DIV_ROUND_UP(sg_dma_len(sg), PAGE_SIZE);
+ pfn = sg_dma_address(sg) >> PAGE_SHIFT;
+ if (base + p != pfn) {
+ /*
+ * If either the offset or the new
+ * base are unaligned update m
+ */
+ tmp = (unsigned long)(pfn | p);
+ if (!IS_ALIGNED(tmp, 1 << m))
+ m = find_first_bit(&tmp, BITS_PER_LONG);
+
+ base = pfn;
+ p = 0;
+ }
+
+ p += len;
+ i += len;
+ }
+
+ if (i) {
+ m = min_t(unsigned long, ilog2(roundup_pow_of_two(i)), m);
+ *ncont = DIV_ROUND_UP(i, (1 << m));
+ } else {
+ m = 0;
+ *ncont = 0;
+ }
+
+ *shift = PAGE_SHIFT + m;
+ *count = i;
+}
+
+struct ib_mr *efa_reg_mr(struct ib_pd *ibpd, u64 start, u64 length,
+ u64 virt_addr, int access_flags,
+ struct ib_udata *udata)
+{
+ struct efa_dev *dev = to_edev(ibpd->device);
+ struct efa_com_reg_mr_params params = {};
+ struct efa_com_reg_mr_result result = {};
+ unsigned long max_page_shift;
+ struct pbl_context pbl;
+ struct efa_mr *mr;
+ int inline_size;
+ int npages;
+ int err;
+
+ if (udata->inlen &&
+ !ib_is_udata_cleared(udata, 0, sizeof(udata->inlen))) {
+ ibdev_dbg(&dev->ibdev,
+ "Incompatible ABI params, udata not cleared\n");
+ err = -EINVAL;
+ goto err_out;
+ }
+
+ if (access_flags & ~EFA_SUPPORTED_ACCESS_FLAGS) {
+ ibdev_dbg(&dev->ibdev,
+ "Unsupported access flags[%#x], supported[%#x]\n",
+ access_flags, EFA_SUPPORTED_ACCESS_FLAGS);
+ err = -EOPNOTSUPP;
+ goto err_out;
+ }
+
+ mr = kzalloc(sizeof(*mr), GFP_KERNEL);
+ if (!mr) {
+ err = -ENOMEM;
+ goto err_out;
+ }
+
+ mr->umem = ib_umem_get(udata, start, length, access_flags, 0);
+ if (IS_ERR(mr->umem)) {
+ err = PTR_ERR(mr->umem);
+ ibdev_dbg(&dev->ibdev,
+ "Failed to pin and map user space memory[%d]\n", err);
+ goto err_free;
+ }
+
+ params.pd = to_epd(ibpd)->pdn;
+ params.iova = virt_addr;
+ params.mr_length_in_bytes = length;
+ params.permissions = access_flags & 0x1;
+ max_page_shift = fls64(dev->dev_attr.page_size_cap);
+
+ efa_cont_pages(mr->umem, start, max_page_shift, &npages,
+ ¶ms.page_shift, ¶ms.page_num);
+ ibdev_dbg(&dev->ibdev,
+ "start %#llx length %#llx npages %d params.page_shift %u params.page_num %u\n",
+ start, length, npages, params.page_shift, params.page_num);
+
+ inline_size = ARRAY_SIZE(params.pbl.inline_pbl_array);
+ if (params.page_num <= inline_size) {
+ err = efa_create_inline_pbl(dev, mr, ¶ms);
+ if (err)
+ goto err_unmap;
+
+ err = efa_com_register_mr(&dev->edev, ¶ms, &result);
+ if (err)
+ goto err_unmap;
+ } else {
+ err = efa_create_pbl(dev, &pbl, mr, ¶ms);
+ if (err)
+ goto err_unmap;
+
+ err = efa_com_register_mr(&dev->edev, ¶ms, &result);
+ pbl_destroy(dev, &pbl);
+
+ if (err)
+ goto err_unmap;
+ }
+
+ mr->ibmr.lkey = result.l_key;
+ mr->ibmr.rkey = result.r_key;
+ mr->ibmr.length = length;
+ ibdev_dbg(&dev->ibdev, "Registered mr[%d]\n", mr->ibmr.lkey);
+
+ return &mr->ibmr;
+
+err_unmap:
+ ib_umem_release(mr->umem);
+err_free:
+ kfree(mr);
+err_out:
+ atomic64_inc(&dev->stats.sw_stats.reg_mr_err);
+ return ERR_PTR(err);
+}
+
+int efa_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata)
+{
+ struct efa_dev *dev = to_edev(ibmr->device);
+ struct efa_com_dereg_mr_params params;
+ struct efa_mr *mr = to_emr(ibmr);
+ int err;
+
+ if (udata->inlen &&
+ !ib_is_udata_cleared(udata, 0, udata->inlen)) {
+ ibdev_dbg(&dev->ibdev, "Incompatible ABI params\n");
+ return -EINVAL;
+ }
+
+ ibdev_dbg(&dev->ibdev, "Deregister mr[%d]\n", ibmr->lkey);
+
+ if (mr->umem) {
+ params.l_key = mr->ibmr.lkey;
+ err = efa_com_dereg_mr(&dev->edev, ¶ms);
+ if (err)
+ return err;
+ ib_umem_release(mr->umem);
+ }
+
+ kfree(mr);
+
+ return 0;
+}
+
+int efa_get_port_immutable(struct ib_device *ibdev, u8 port_num,
+ struct ib_port_immutable *immutable)
+{
+ struct ib_port_attr attr;
+ int err;
+
+ err = ib_query_port(ibdev, port_num, &attr);
+ if (err) {
+ ibdev_dbg(ibdev, "Couldn't query port err[%d]\n", err);
+ return err;
+ }
+
+ immutable->pkey_tbl_len = attr.pkey_tbl_len;
+ immutable->gid_tbl_len = attr.gid_tbl_len;
+
+ return 0;
+}
+
+static int efa_dealloc_uar(struct efa_dev *dev, u16 uarn)
+{
+ struct efa_com_dealloc_uar_params params = {
+ .uarn = uarn,
+ };
+
+ return efa_com_dealloc_uar(&dev->edev, ¶ms);
+}
+
+int efa_alloc_ucontext(struct ib_ucontext *ibucontext, struct ib_udata *udata)
+{
+ struct efa_ucontext *ucontext = to_eucontext(ibucontext);
+ struct efa_dev *dev = to_edev(ibucontext->device);
+ struct efa_ibv_alloc_ucontext_resp resp = {};
+ struct efa_com_alloc_uar_result result;
+ int err;
+
+ /*
+ * it's fine if the driver does not know all request fields,
+ * we will ack input fields in our response.
+ */
+
+ err = efa_com_alloc_uar(&dev->edev, &result);
+ if (err)
+ goto err_out;
+
+ ucontext->uarn = result.uarn;
+ xa_init(&ucontext->mmap_xa);
+
+ resp.cmds_supp_udata_mask |= EFA_USER_CMDS_SUPP_UDATA_QUERY_DEVICE;
+ resp.cmds_supp_udata_mask |= EFA_USER_CMDS_SUPP_UDATA_CREATE_AH;
+ resp.sub_cqs_per_cq = dev->dev_attr.sub_cqs_per_cq;
+ resp.inline_buf_size = dev->dev_attr.inline_buf_size;
+ resp.max_llq_size = dev->dev_attr.max_llq_size;
+
+ if (udata && udata->outlen) {
+ err = ib_copy_to_udata(udata, &resp,
+ min(sizeof(resp), udata->outlen));
+ if (err)
+ goto err_dealloc_uar;
+ }
+
+ return 0;
+
+err_dealloc_uar:
+ efa_dealloc_uar(dev, result.uarn);
+err_out:
+ atomic64_inc(&dev->stats.sw_stats.alloc_ucontext_err);
+ return err;
+}
+
+void efa_dealloc_ucontext(struct ib_ucontext *ibucontext)
+{
+ struct efa_ucontext *ucontext = to_eucontext(ibucontext);
+ struct efa_dev *dev = to_edev(ibucontext->device);
+
+ mmap_entries_remove_free(dev, ucontext);
+ efa_dealloc_uar(dev, ucontext->uarn);
+}
+
+static int __efa_mmap(struct efa_dev *dev, struct efa_ucontext *ucontext,
+ struct vm_area_struct *vma, u64 key, u64 length)
+{
+ struct efa_mmap_entry *entry;
+ unsigned long va;
+ u64 pfn;
+ int err;
+
+ entry = mmap_entry_get(dev, ucontext, key, length);
+ if (!entry) {
+ ibdev_dbg(&dev->ibdev, "key[%#llx] does not have valid entry\n",
+ key);
+ return -EINVAL;
+ }
+
+ ibdev_dbg(&dev->ibdev,
+ "Mapping address[%#llx], length[%#llx], mmap_flag[%d]\n",
+ entry->address, length, entry->mmap_flag);
+
+ pfn = entry->address >> PAGE_SHIFT;
+ switch (entry->mmap_flag) {
+ case EFA_MMAP_IO_NC:
+ err = rdma_user_mmap_io(&ucontext->ibucontext, vma, pfn, length,
+ pgprot_noncached(vma->vm_page_prot));
+ break;
+ case EFA_MMAP_IO_WC:
+ err = rdma_user_mmap_io(&ucontext->ibucontext, vma, pfn, length,
+ pgprot_writecombine(vma->vm_page_prot));
+ break;
+ case EFA_MMAP_DMA_PAGE:
+ for (va = vma->vm_start; va < vma->vm_end;
+ va += PAGE_SIZE, pfn++) {
+ err = vm_insert_page(vma, va, pfn_to_page(pfn));
+ if (err)
+ break;
+ }
+ break;
+ default:
+ err = -EINVAL;
+ }
+
+ if (err)
+ ibdev_dbg(
+ &dev->ibdev,
+ "Couldn't mmap address[%#llx] length[%#llx] mmap_flag[%d] err[%d]\n",
+ entry->address, length, entry->mmap_flag, err);
+
+ return err;
+}
+
+int efa_mmap(struct ib_ucontext *ibucontext,
+ struct vm_area_struct *vma)
+{
+ struct efa_ucontext *ucontext = to_eucontext(ibucontext);
+ struct efa_dev *dev = to_edev(ibucontext->device);
+ u64 length = vma->vm_end - vma->vm_start;
+ u64 key = vma->vm_pgoff << PAGE_SHIFT;
+
+ ibdev_dbg(&dev->ibdev,
+ "start %#lx, end %#lx, length = %#llx, key = %#llx\n",
+ vma->vm_start, vma->vm_end, length, key);
+
+ if (length % PAGE_SIZE != 0 || !(vma->vm_flags & VM_SHARED)) {
+ ibdev_dbg(&dev->ibdev,
+ "length[%#llx] is not page size aligned[%#lx] or VM_SHARED is not set [%#lx]\n",
+ length, PAGE_SIZE, vma->vm_flags);
+ return -EINVAL;
+ }
+
+ if (vma->vm_flags & VM_EXEC) {
+ ibdev_dbg(&dev->ibdev, "Mapping executable pages is not permitted\n");
+ return -EPERM;
+ }
+ vma->vm_flags &= ~VM_MAYEXEC;
+
+ return __efa_mmap(dev, ucontext, vma, key, length);
+}
+
+static int efa_ah_destroy(struct efa_dev *dev, struct efa_ah *ah)
+{
+ struct efa_com_destroy_ah_params params = {
+ .ah = ah->ah,
+ .pdn = to_epd(ah->ibah.pd)->pdn,
+ };
+
+ return efa_com_destroy_ah(&dev->edev, ¶ms);
+}
+
+int efa_create_ah(struct ib_ah *ibah,
+ struct rdma_ah_attr *ah_attr,
+ u32 flags,
+ struct ib_udata *udata)
+{
+ struct efa_dev *dev = to_edev(ibah->device);
+ struct efa_com_create_ah_params params = {};
+ struct efa_ibv_create_ah_resp resp = {};
+ struct efa_com_create_ah_result result;
+ struct efa_ah *ah = to_eah(ibah);
+ int err;
+
+ if (!(flags & RDMA_CREATE_AH_SLEEPABLE)) {
+ ibdev_dbg(&dev->ibdev,
+ "Create address handle is not supported in atomic context\n");
+ err = -EOPNOTSUPP;
+ goto err_out;
+ }
+
+ if (udata->inlen &&
+ !ib_is_udata_cleared(udata, 0, udata->inlen)) {
+ ibdev_dbg(&dev->ibdev, "Incompatible ABI params\n");
+ err = -EINVAL;
+ goto err_out;
+ }
+
+ memcpy(params.dest_addr, ah_attr->grh.dgid.raw,
+ sizeof(params.dest_addr));
+ params.pdn = to_epd(ibah->pd)->pdn;
+ err = efa_com_create_ah(&dev->edev, ¶ms, &result);
+ if (err)
+ goto err_out;
+
+ memcpy(ah->id, ah_attr->grh.dgid.raw, sizeof(ah->id));
+ ah->ah = result.ah;
+
+ resp.efa_address_handle = result.ah;
+
+ if (udata->outlen) {
+ err = ib_copy_to_udata(udata, &resp,
+ min(sizeof(resp), udata->outlen));
+ if (err) {
+ ibdev_dbg(&dev->ibdev,
+ "Failed to copy udata for create_ah response\n");
+ goto err_destroy_ah;
+ }
+ }
+ ibdev_dbg(&dev->ibdev, "Created ah[%d]\n", ah->ah);
+
+ return 0;
+
+err_destroy_ah:
+ efa_ah_destroy(dev, ah);
+err_out:
+ atomic64_inc(&dev->stats.sw_stats.create_ah_err);
+ return err;
+}
+
+void efa_destroy_ah(struct ib_ah *ibah, u32 flags)
+{
+ struct efa_dev *dev = to_edev(ibah->pd->device);
+ struct efa_ah *ah = to_eah(ibah);
+
+ ibdev_dbg(&dev->ibdev, "Destroy ah[%d]\n", ah->ah);
+
+ if (!(flags & RDMA_DESTROY_AH_SLEEPABLE)) {
+ ibdev_dbg(&dev->ibdev,
+ "Destroy address handle is not supported in atomic context\n");
+ return;
+ }
+
+ efa_ah_destroy(dev, ah);
+}
+
+enum rdma_link_layer efa_port_link_layer(struct ib_device *ibdev,
+ u8 port_num)
+{
+ return IB_LINK_LAYER_UNSPECIFIED;
+}
+
static struct cntr_entry dev_cntrs[DEV_CNTR_LAST] = {
[C_RCV_OVF] = RXE32_DEV_CNTR_ELEM(RcvOverflow, RCV_BUF_OVFL_CNT, CNTR_SYNTH),
+[C_RX_LEN_ERR] = RXE32_DEV_CNTR_ELEM(RxLenErr, RCV_LENGTH_ERR_CNT, CNTR_SYNTH),
+[C_RX_ICRC_ERR] = RXE32_DEV_CNTR_ELEM(RxICrcErr, RCV_ICRC_ERR_CNT, CNTR_SYNTH),
+[C_RX_EBP] = RXE32_DEV_CNTR_ELEM(RxEbpCnt, RCV_EBP_CNT, CNTR_SYNTH),
[C_RX_TID_FULL] = RXE32_DEV_CNTR_ELEM(RxTIDFullEr, RCV_TID_FULL_ERR_CNT,
CNTR_NORMAL),
[C_RX_TID_INVALID] = RXE32_DEV_CNTR_ELEM(RxTIDInvalid, RCV_TID_VALID_ERR_CNT,
/*
* The RMT entries are currently allocated as shown below:
* 1. QOS (0 to 128 entries);
- * 2. FECN for PSM (num_user_contexts + num_vnic_contexts);
+ * 2. FECN (num_kernel_context - 1 + num_user_contexts +
+ * num_vnic_contexts);
* 3. VNIC (num_vnic_contexts).
- * It should be noted that PSM FECN oversubscribe num_vnic_contexts
+ * It should be noted that FECN oversubscribe num_vnic_contexts
* entries of RMT because both VNIC and PSM could allocate any receive
* context between dd->first_dyn_alloc_text and dd->num_rcv_contexts,
* and PSM FECN must reserve an RMT entry for each possible PSM receive
* context.
*/
rmt_count = qos_rmt_entries(dd, NULL, NULL) + (num_vnic_contexts * 2);
+ if (HFI1_CAP_IS_KSET(TID_RDMA))
+ rmt_count += num_kernel_contexts - 1;
if (rmt_count + n_usr_ctxts > NUM_MAP_ENTRIES) {
user_rmt_reduced = NUM_MAP_ENTRIES - rmt_count;
dd_dev_err(dd,
init_qpmap_table(dd, FIRST_KERNEL_KCTXT, dd->n_krcv_queues - 1);
}
-static void init_user_fecn_handling(struct hfi1_devdata *dd,
- struct rsm_map_table *rmt)
+static void init_fecn_handling(struct hfi1_devdata *dd,
+ struct rsm_map_table *rmt)
{
struct rsm_rule_data rrd;
u64 reg;
- int i, idx, regoff, regidx;
+ int i, idx, regoff, regidx, start;
u8 offset;
u32 total_cnt;
+ if (HFI1_CAP_IS_KSET(TID_RDMA))
+ /* Exclude context 0 */
+ start = 1;
+ else
+ start = dd->first_dyn_alloc_ctxt;
+
+ total_cnt = dd->num_rcv_contexts - start;
+
/* there needs to be enough room in the map table */
- total_cnt = dd->num_rcv_contexts - dd->first_dyn_alloc_ctxt;
if (rmt->used + total_cnt >= NUM_MAP_ENTRIES) {
- dd_dev_err(dd, "User FECN handling disabled - too many user contexts allocated\n");
+ dd_dev_err(dd, "FECN handling disabled - too many contexts allocated\n");
return;
}
/*
* RSM will extract the destination context as an index into the
* map table. The destination contexts are a sequential block
- * in the range first_dyn_alloc_ctxt...num_rcv_contexts-1 (inclusive).
+ * in the range start...num_rcv_contexts-1 (inclusive).
* Map entries are accessed as offset + extracted value. Adjust
* the added offset so this sequence can be placed anywhere in
* the table - as long as the entries themselves do not wrap.
* There are only enough bits in offset for the table size, so
* start with that to allow for a "negative" offset.
*/
- offset = (u8)(NUM_MAP_ENTRIES + (int)rmt->used -
- (int)dd->first_dyn_alloc_ctxt);
+ offset = (u8)(NUM_MAP_ENTRIES + rmt->used - start);
- for (i = dd->first_dyn_alloc_ctxt, idx = rmt->used;
- i < dd->num_rcv_contexts; i++, idx++) {
+ for (i = start, idx = rmt->used; i < dd->num_rcv_contexts;
+ i++, idx++) {
/* replace with identity mapping */
regoff = (idx % 8) * 8;
regidx = idx / 8;
rmt = alloc_rsm_map_table(dd);
/* set up QOS, including the QPN map table */
init_qos(dd, rmt);
- init_user_fecn_handling(dd, rmt);
+ init_fecn_handling(dd, rmt);
complete_rsm_map_table(dd, rmt);
/* record number of used rsm map entries for vnic */
dd->vnic.rmt_start = rmt->used;
*/
static int init_asic_data(struct hfi1_devdata *dd)
{
- unsigned long flags;
- struct hfi1_devdata *tmp, *peer = NULL;
+ unsigned long index;
+ struct hfi1_devdata *peer;
struct hfi1_asic_data *asic_data;
int ret = 0;
if (!asic_data)
return -ENOMEM;
- spin_lock_irqsave(&hfi1_devs_lock, flags);
+ xa_lock_irq(&hfi1_dev_table);
/* Find our peer device */
- list_for_each_entry(tmp, &hfi1_dev_list, list) {
- if ((HFI_BASE_GUID(dd) == HFI_BASE_GUID(tmp)) &&
- dd->unit != tmp->unit) {
- peer = tmp;
+ xa_for_each(&hfi1_dev_table, index, peer) {
+ if ((HFI_BASE_GUID(dd) == HFI_BASE_GUID(peer)) &&
+ dd->unit != peer->unit)
break;
- }
}
if (peer) {
mutex_init(&dd->asic_data->asic_resource_mutex);
}
dd->asic_data->dds[dd->hfi1_id] = dd; /* self back-pointer */
- spin_unlock_irqrestore(&hfi1_devs_lock, flags);
+ xa_unlock_irq(&hfi1_dev_table);
/* first one through - set up i2c devices */
if (!peer)
/* Per device counter indexes */
enum {
C_RCV_OVF = 0,
+ C_RX_LEN_ERR,
+ C_RX_ICRC_ERR,
+ C_RX_EBP,
C_RX_TID_FULL,
C_RX_TID_INVALID,
C_RX_TID_FLGMS,
#define DC_LCB_PRF_TX_FLIT_CNT (DC_LCB_CSRS + 0x000000000418)
#define DC_LCB_STS_LINK_TRANSFER_ACTIVE (DC_LCB_CSRS + 0x000000000468)
#define DC_LCB_STS_ROUND_TRIP_LTP_CNT (DC_LCB_CSRS + 0x0000000004B0)
+#define RCV_LENGTH_ERR_CNT 0
+#define RCV_ICRC_ERR_CNT 6
+#define RCV_EBP_CNT 9
#define RCV_BUF_OVFL_CNT 10
#define RCV_CONTEXT_EGR_STALL 22
#define RCV_DATA_PKT_CNT 0
#define RHF_TID_ERR (0x1ull << 59)
#define RHF_LEN_ERR (0x1ull << 60)
#define RHF_ECC_ERR (0x1ull << 61)
-#define RHF_VCRC_ERR (0x1ull << 62)
+#define RHF_RESERVED (0x1ull << 62)
#define RHF_ICRC_ERR (0x1ull << 63)
#define RHF_ERROR_SMASK 0xffe0000000000000ull /* bits 63:53 */
return __qsfp_debugfs_release(in, fp, 1);
}
+#define EXPROM_WRITE_ENABLE BIT_ULL(14)
+
+static bool exprom_wp_disabled;
+
+static int exprom_wp_set(struct hfi1_devdata *dd, bool disable)
+{
+ u64 gpio_val = 0;
+
+ if (disable) {
+ gpio_val = EXPROM_WRITE_ENABLE;
+ exprom_wp_disabled = true;
+ dd_dev_info(dd, "Disable Expansion ROM Write Protection\n");
+ } else {
+ exprom_wp_disabled = false;
+ dd_dev_info(dd, "Enable Expansion ROM Write Protection\n");
+ }
+
+ write_csr(dd, ASIC_GPIO_OUT, gpio_val);
+ write_csr(dd, ASIC_GPIO_OE, gpio_val);
+
+ return 0;
+}
+
+static ssize_t exprom_wp_debugfs_read(struct file *file, char __user *buf,
+ size_t count, loff_t *ppos)
+{
+ return 0;
+}
+
+static ssize_t exprom_wp_debugfs_write(struct file *file,
+ const char __user *buf, size_t count,
+ loff_t *ppos)
+{
+ struct hfi1_pportdata *ppd = private2ppd(file);
+ char cdata;
+
+ if (count != 1)
+ return -EINVAL;
+ if (get_user(cdata, buf))
+ return -EFAULT;
+ if (cdata == '0')
+ exprom_wp_set(ppd->dd, false);
+ else if (cdata == '1')
+ exprom_wp_set(ppd->dd, true);
+ else
+ return -EINVAL;
+
+ return 1;
+}
+
+static unsigned long exprom_in_use;
+
+static int exprom_wp_debugfs_open(struct inode *in, struct file *fp)
+{
+ if (test_and_set_bit(0, &exprom_in_use))
+ return -EBUSY;
+
+ return 0;
+}
+
+static int exprom_wp_debugfs_release(struct inode *in, struct file *fp)
+{
+ struct hfi1_pportdata *ppd = private2ppd(fp);
+
+ if (exprom_wp_disabled)
+ exprom_wp_set(ppd->dd, false);
+ clear_bit(0, &exprom_in_use);
+
+ return 0;
+}
+
#define DEBUGFS_OPS(nm, readroutine, writeroutine) \
{ \
.name = nm, \
qsfp1_debugfs_open, qsfp1_debugfs_release),
DEBUGFS_XOPS("qsfp2", qsfp2_debugfs_read, qsfp2_debugfs_write,
qsfp2_debugfs_open, qsfp2_debugfs_release),
+ DEBUGFS_XOPS("exprom_wp", exprom_wp_debugfs_read,
+ exprom_wp_debugfs_write, exprom_wp_debugfs_open,
+ exprom_wp_debugfs_release),
DEBUGFS_OPS("asic_flags", asic_flags_read, asic_flags_write),
DEBUGFS_OPS("dc8051_memory", dc8051_memory_read, NULL),
DEBUGFS_OPS("lcb", debugfs_lcb_read, debugfs_lcb_write),
static u64 hfi1_sps_ints(void)
{
- unsigned long flags;
+ unsigned long index, flags;
struct hfi1_devdata *dd;
u64 sps_ints = 0;
- spin_lock_irqsave(&hfi1_devs_lock, flags);
- list_for_each_entry(dd, &hfi1_dev_list, list) {
+ xa_lock_irqsave(&hfi1_dev_table, flags);
+ xa_for_each(&hfi1_dev_table, index, dd) {
sps_ints += get_all_cpu_total(dd->int_counter);
}
- spin_unlock_irqrestore(&hfi1_devs_lock, flags);
+ xa_unlock_irqrestore(&hfi1_dev_table, flags);
return sps_ints;
}
*/
const char ib_hfi1_version[] = HFI1_DRIVER_VERSION "\n";
-DEFINE_SPINLOCK(hfi1_devs_lock);
-LIST_HEAD(hfi1_dev_list);
DEFINE_MUTEX(hfi1_mutex); /* general driver use */
unsigned int hfi1_max_mtu = HFI1_DEFAULT_MAX_MTU;
{
struct hfi1_devdata *dd;
struct hfi1_pportdata *ppd;
- unsigned long flags;
+ unsigned long index, flags;
int pidx, nunits_active = 0;
- spin_lock_irqsave(&hfi1_devs_lock, flags);
- list_for_each_entry(dd, &hfi1_dev_list, list) {
+ xa_lock_irqsave(&hfi1_dev_table, flags);
+ xa_for_each(&hfi1_dev_table, index, dd) {
if (!(dd->flags & HFI1_PRESENT) || !dd->kregbase1)
continue;
for (pidx = 0; pidx < dd->num_pports; ++pidx) {
}
}
}
- spin_unlock_irqrestore(&hfi1_devs_lock, flags);
+ xa_unlock_irqrestore(&hfi1_dev_table, flags);
return nunits_active;
}
hfi1_dbg_fault_suppress_err(verbs_dev))
return;
- if (packet->rhf & (RHF_VCRC_ERR | RHF_ICRC_ERR))
+ if (packet->rhf & RHF_ICRC_ERR)
return;
if (packet->etype == RHF_RCV_TYPE_BYPASS) {
*/
do_cnp = prescan ||
(opcode >= IB_OPCODE_RC_RDMA_READ_RESPONSE_FIRST &&
- opcode <= IB_OPCODE_RC_ATOMIC_ACKNOWLEDGE);
+ opcode <= IB_OPCODE_RC_ATOMIC_ACKNOWLEDGE) ||
+ opcode == TID_OP(READ_RESP) ||
+ opcode == TID_OP(ACK);
/* Call appropriate CNP handler */
if (!ignore_fecn && do_cnp && fecn)
u32 rte = rhf_rcv_type_err(packet->rhf);
dd_dev_err(rcd->dd,
- "receive context %d: rhf 0x%016llx, errs [ %s%s%s%s%s%s%s%s] rte 0x%x\n",
+ "receive context %d: rhf 0x%016llx, errs [ %s%s%s%s%s%s%s] rte 0x%x\n",
rcd->ctxt, packet->rhf,
packet->rhf & RHF_K_HDR_LEN_ERR ? "k_hdr_len " : "",
packet->rhf & RHF_DC_UNC_ERR ? "dc_unc " : "",
packet->rhf & RHF_TID_ERR ? "tid " : "",
packet->rhf & RHF_LEN_ERR ? "len " : "",
packet->rhf & RHF_ECC_ERR ? "ecc " : "",
- packet->rhf & RHF_VCRC_ERR ? "vcrc " : "",
packet->rhf & RHF_ICRC_ERR ? "icrc " : "",
rte);
}
*/
void hfi1_free_ctxt_rcv_groups(struct hfi1_ctxtdata *rcd)
{
- WARN_ON(!EXP_TID_SET_EMPTY(rcd->tid_full_list));
- WARN_ON(!EXP_TID_SET_EMPTY(rcd->tid_used_list));
-
kfree(rcd->groups);
rcd->groups = NULL;
hfi1_exp_tid_group_init(rcd);
#include <linux/list.h>
#include <linux/scatterlist.h>
#include <linux/slab.h>
-#include <linux/idr.h>
#include <linux/io.h>
#include <linux/fs.h>
#include <linux/completion.h>
#include <linux/kthread.h>
#include <linux/i2c.h>
#include <linux/i2c-algo-bit.h>
+#include <linux/xarray.h>
#include <rdma/ib_hdrs.h>
#include <rdma/opa_addr.h>
#include <linux/rhashtable.h>
struct hfi1_vnic_data {
struct hfi1_ctxtdata *ctxt[HFI1_NUM_VNIC_CTXT];
struct kmem_cache *txreq_cache;
+ struct xarray vesws;
u8 num_vports;
- struct idr vesw_idr;
u8 rmt_start;
u8 num_ctxt;
};
typedef int (*send_routine)(struct rvt_qp *, struct hfi1_pkt_state *, u64);
struct hfi1_devdata {
struct hfi1_ibdev verbs_dev; /* must be first */
- struct list_head list;
/* pointers to related structs for this device */
/* pci access data structure */
struct pci_dev *pcidev;
struct mm_struct *mm;
};
-extern struct list_head hfi1_dev_list;
-extern spinlock_t hfi1_devs_lock;
+extern struct xarray hfi1_dev_table;
struct hfi1_devdata *hfi1_lookup(int unit);
static inline unsigned long uctxt_offset(struct hfi1_ctxtdata *uctxt)
#include <linux/netdevice.h>
#include <linux/vmalloc.h>
#include <linux/delay.h>
-#include <linux/idr.h>
+#include <linux/xarray.h>
#include <linux/module.h>
#include <linux/printk.h>
#include <linux/hrtimer.h>
static inline u64 encode_rcv_header_entry_size(u16 size);
-static struct idr hfi1_unit_table;
+DEFINE_XARRAY_FLAGS(hfi1_dev_table, XA_FLAGS_ALLOC | XA_FLAGS_LOCK_IRQ);
static int hfi1_create_kctxt(struct hfi1_devdata *dd,
struct hfi1_pportdata *ppd)
if (rcd->egrbufs.size < hfi1_max_mtu) {
rcd->egrbufs.size = __roundup_pow_of_two(hfi1_max_mtu);
hfi1_cdbg(PROC,
- "ctxt%u: eager bufs size too small. Adjusting to %zu\n",
+ "ctxt%u: eager bufs size too small. Adjusting to %u\n",
rcd->ctxt, rcd->egrbufs.size);
}
rcd->egrbufs.rcvtid_size = HFI1_MAX_EAGER_BUFFER_SIZE;
ppd->hfi1_wq =
alloc_workqueue(
"hfi%d_%d",
- WQ_SYSFS | WQ_HIGHPRI | WQ_CPU_INTENSIVE,
+ WQ_SYSFS | WQ_HIGHPRI | WQ_CPU_INTENSIVE |
+ WQ_MEM_RECLAIM,
HFI1_MAX_ACTIVE_WORKQUEUE_ENTRIES,
dd->unit, pidx);
if (!ppd->hfi1_wq)
return ret;
}
-static inline struct hfi1_devdata *__hfi1_lookup(int unit)
-{
- return idr_find(&hfi1_unit_table, unit);
-}
-
struct hfi1_devdata *hfi1_lookup(int unit)
{
- struct hfi1_devdata *dd;
- unsigned long flags;
-
- spin_lock_irqsave(&hfi1_devs_lock, flags);
- dd = __hfi1_lookup(unit);
- spin_unlock_irqrestore(&hfi1_devs_lock, flags);
-
- return dd;
+ return xa_load(&hfi1_dev_table, unit);
}
/*
/*
* Release our hold on the shared asic data. If we are the last one,
* return the structure to be finalized outside the lock. Must be
- * holding hfi1_devs_lock.
+ * holding hfi1_dev_table lock.
*/
static struct hfi1_asic_data *release_asic_data(struct hfi1_devdata *dd)
{
struct hfi1_asic_data *ad;
unsigned long flags;
- spin_lock_irqsave(&hfi1_devs_lock, flags);
- if (!list_empty(&dd->list)) {
- idr_remove(&hfi1_unit_table, dd->unit);
- list_del_init(&dd->list);
- }
+ xa_lock_irqsave(&hfi1_dev_table, flags);
+ __xa_erase(&hfi1_dev_table, dd->unit);
ad = release_asic_data(dd);
- spin_unlock_irqrestore(&hfi1_devs_lock, flags);
+ xa_unlock_irqrestore(&hfi1_dev_table, flags);
finalize_asic_data(dd, ad);
free_platform_config(dd);
* Must be done via verbs allocator, because the verbs cleanup process
* both does cleanup and free of the data structure.
* "extra" is for chip-specific data.
- *
- * Use the idr mechanism to get a unit number for this unit.
*/
static struct hfi1_devdata *hfi1_alloc_devdata(struct pci_dev *pdev,
size_t extra)
{
- unsigned long flags;
struct hfi1_devdata *dd;
int ret, nports;
dd->pport = (struct hfi1_pportdata *)(dd + 1);
dd->pcidev = pdev;
pci_set_drvdata(pdev, dd);
-
- INIT_LIST_HEAD(&dd->list);
- idr_preload(GFP_KERNEL);
- spin_lock_irqsave(&hfi1_devs_lock, flags);
-
- ret = idr_alloc(&hfi1_unit_table, dd, 0, 0, GFP_NOWAIT);
- if (ret >= 0) {
- dd->unit = ret;
- list_add(&dd->list, &hfi1_dev_list);
- }
dd->node = NUMA_NO_NODE;
- spin_unlock_irqrestore(&hfi1_devs_lock, flags);
- idr_preload_end();
-
+ ret = xa_alloc_irq(&hfi1_dev_table, &dd->unit, dd, xa_limit_32b,
+ GFP_KERNEL);
if (ret < 0) {
dev_err(&pdev->dev,
"Could not allocate unit ID: error %d\n", -ret);
* These must be called before the driver is registered with
* the PCI subsystem.
*/
- idr_init(&hfi1_unit_table);
-
hfi1_dbg_init();
ret = pci_register_driver(&hfi1_pci_driver);
if (ret < 0) {
bail_dev:
hfi1_dbg_exit();
- idr_destroy(&hfi1_unit_table);
dev_cleanup();
bail:
return ret;
node_affinity_destroy_all();
hfi1_dbg_exit();
- idr_destroy(&hfi1_unit_table);
+ WARN_ON(!xa_empty(&hfi1_dev_table));
dispose_firmware(); /* asymmetric with obtain_firmware() */
dev_cleanup();
}
rcd->egrbufs.size = alloced_bytes;
hfi1_cdbg(PROC,
- "ctxt%u: Alloced %u rcv tid entries @ %uKB, total %zuKB\n",
+ "ctxt%u: Alloced %u rcv tid entries @ %uKB, total %uKB\n",
rcd->ctxt, rcd->egrbufs.alloced,
rcd->egrbufs.rcvtid_size / 1024, rcd->egrbufs.size / 1024);
* for future transactions
*/
+#include <linux/workqueue.h>
+#include <rdma/ib_verbs.h>
+#include <rdma/rdmavt_qp.h>
+
/* STL Verbs Extended */
#define IB_BTHE_E_SHIFT 24
#define HFI1_VERBS_E_ATOMIC_VADDR U64_MAX
-struct ib_atomic_eth;
-
enum hfi1_opfn_codes {
STL_VERBS_EXTD_NONE = 0,
STL_VERBS_EXTD_TID_RDMA,
iowait_wakeup,
iowait_sdma_drained,
hfi1_init_priority);
+ /* Init to a value to start the running average correctly */
+ priv->s_running_pkt_size = piothreshold / 2;
return priv;
}
case OP(RDMA_READ_RESPONSE_LAST):
case OP(RDMA_READ_RESPONSE_ONLY):
e = &qp->s_ack_queue[qp->s_tail_ack_queue];
- if (e->rdma_sge.mr) {
- rvt_put_mr(e->rdma_sge.mr);
- e->rdma_sge.mr = NULL;
- }
+ release_rdma_sge_mr(e);
/* FALLTHROUGH */
case OP(ATOMIC_ACKNOWLEDGE):
/*
break;
e->sent = 1;
- qp->s_ack_state = OP(RDMA_READ_RESPONSE_LAST);
+ /* Do not free e->rdma_sge until all data are received */
+ qp->s_ack_state = OP(ATOMIC_ACKNOWLEDGE);
break;
case TID_OP(READ_RESP):
qp->s_last = s_last;
/* see post_send() */
barrier();
- rvt_put_swqe(wqe);
+ rvt_put_qp_swqe(qp, wqe);
rvt_qp_swqe_complete(qp,
wqe,
ib_hfi1_wc_opcode[wqe->wr.opcode],
u32 s_last;
trdma_clean_swqe(qp, wqe);
- rvt_put_swqe(wqe);
+ rvt_put_qp_swqe(qp, wqe);
rvt_qp_wqe_unreserve(qp, wqe);
s_last = qp->s_last;
trace_hfi1_qp_send_completion(qp, wqe, s_last);
len = be32_to_cpu(reth->length);
if (unlikely(offset + len != e->rdma_sge.sge_length))
goto unlock_done;
- if (e->rdma_sge.mr) {
- rvt_put_mr(e->rdma_sge.mr);
- e->rdma_sge.mr = NULL;
- }
+ release_rdma_sge_mr(e);
if (len != 0) {
u32 rkey = be32_to_cpu(reth->rkey);
u64 vaddr = get_ib_reth_vaddr(reth);
update_ack_queue(qp, next);
}
e = &qp->s_ack_queue[qp->r_head_ack_queue];
- if (e->rdma_sge.mr) {
- rvt_put_mr(e->rdma_sge.mr);
- e->rdma_sge.mr = NULL;
- }
+ release_rdma_sge_mr(e);
reth = &ohdr->u.rc.reth;
len = be32_to_cpu(reth->length);
if (len) {
update_ack_queue(qp, next);
}
e = &qp->s_ack_queue[qp->r_head_ack_queue];
- if (e->rdma_sge.mr) {
- rvt_put_mr(e->rdma_sge.mr);
- e->rdma_sge.mr = NULL;
- }
+ release_rdma_sge_mr(e);
/* Process OPFN special virtual address */
if (opfn) {
opfn_conn_response(qp, e, ateth);
return rvt_restart_sge(ss, wqe, len);
}
+static inline void release_rdma_sge_mr(struct rvt_ack_entry *e)
+{
+ if (e->rdma_sge.mr) {
+ rvt_put_mr(e->rdma_sge.mr);
+ e->rdma_sge.mr = NULL;
+ }
+}
+
struct rvt_ack_entry *find_prev_entry(struct rvt_qp *qp, u32 psn, u8 *prev,
u8 *prev_ack, bool *scheduled);
int do_rc_ack(struct rvt_qp *qp, u32 aeth, u32 psn, int opcode, u64 val,
/**
* hfi1_do_send - perform a send on a QP
- * @work: contains a pointer to the QP
+ * @qp: a pointer to the QP
* @in_thread: true if in a workqueue thread
*
* Process entries in the send work queue until credit or queue is
#define TID_RDMA_DESTQP_FLOW_SHIFT 11
#define TID_RDMA_DESTQP_FLOW_MASK 0x1f
-#define TID_FLOW_SW_PSN BIT(0)
-
#define TID_OPFN_QP_CTXT_MASK 0xff
#define TID_OPFN_QP_CTXT_SHIFT 56
#define TID_OPFN_QP_KDETH_MASK 0xff
struct ib_other_headers *ohdr,
struct hfi1_pkt_state *ps);
static void hfi1_do_tid_send(struct rvt_qp *qp);
+static u32 read_r_next_psn(struct hfi1_devdata *dd, u8 ctxt, u8 fidx);
+static void tid_rdma_rcv_err(struct hfi1_packet *packet,
+ struct ib_other_headers *ohdr,
+ struct rvt_qp *qp, u32 psn, int diff, bool fecn);
+static void update_r_next_psn_fecn(struct hfi1_packet *packet,
+ struct hfi1_qp_priv *priv,
+ struct hfi1_ctxtdata *rcd,
+ struct tid_rdma_flow *flow,
+ bool fecn);
static u64 tid_rdma_opfn_encode(struct tid_rdma_params *p)
{
rcd->flows[fs->index].generation = fs->generation;
fs->generation = kern_setup_hw_flow(rcd, fs->index);
fs->psn = 0;
- fs->flags = 0;
dequeue_tid_waiter(rcd, &rcd->flow_queue, qp);
/* get head before dropping lock */
fqp = first_qp(rcd, &rcd->flow_queue);
goto done;
hfi1_kern_clear_hw_flow(req->rcd, qp);
+ qpriv->s_flags &= ~HFI1_R_TID_SW_PSN;
req->state = TID_REQUEST_ACTIVE;
}
if (psn != e->psn || len != req->total_len)
goto unlock;
- if (e->rdma_sge.mr) {
- rvt_put_mr(e->rdma_sge.mr);
- e->rdma_sge.mr = NULL;
- }
+ release_rdma_sge_mr(e);
rkey = be32_to_cpu(reth->rkey);
vaddr = get_ib_reth_vaddr(reth);
struct ib_reth *reth;
struct hfi1_qp_priv *qpriv = qp->priv;
u32 bth0, psn, len, rkey;
- bool is_fecn;
+ bool fecn;
u8 next;
u64 vaddr;
int diff;
if (hfi1_ruc_check_hdr(ibp, packet))
return;
- is_fecn = process_ecn(qp, packet);
+ fecn = process_ecn(qp, packet);
psn = mask_psn(be32_to_cpu(ohdr->bth[2]));
trace_hfi1_rsp_rcv_tid_read_req(qp, psn);
diff = delta_psn(psn, qp->r_psn);
if (unlikely(diff)) {
- if (tid_rdma_rcv_error(packet, ohdr, qp, psn, diff))
- return;
- goto send_ack;
+ tid_rdma_rcv_err(packet, ohdr, qp, psn, diff, fecn);
+ return;
}
/* We've verified the request, insert it into the ack queue. */
update_ack_queue(qp, next);
}
e = &qp->s_ack_queue[qp->r_head_ack_queue];
- if (e->rdma_sge.mr) {
- rvt_put_mr(e->rdma_sge.mr);
- e->rdma_sge.mr = NULL;
- }
+ release_rdma_sge_mr(e);
rkey = be32_to_cpu(reth->rkey);
qp->r_len = len;
/* Schedule the send tasklet. */
qp->s_flags |= RVT_S_RESP_PENDING;
+ if (fecn)
+ qp->s_flags |= RVT_S_ECN;
hfi1_schedule_send(qp);
spin_unlock_irqrestore(&qp->s_lock, flags);
- if (is_fecn)
- goto send_ack;
return;
nack_inv_unlock:
rvt_rc_error(qp, IB_WC_LOC_PROT_ERR);
qp->r_nak_state = IB_NAK_REMOTE_ACCESS_ERROR;
qp->r_ack_psn = qp->r_psn;
-send_ack:
- hfi1_send_rc_ack(packet, is_fecn);
}
u32 hfi1_build_tid_rdma_read_resp(struct rvt_qp *qp, struct rvt_ack_entry *e,
struct tid_rdma_request *req;
struct tid_rdma_flow *flow;
u32 opcode, aeth;
- bool is_fecn;
+ bool fecn;
unsigned long flags;
u32 kpsn, ipsn;
trace_hfi1_sender_rcv_tid_read_resp(qp);
- is_fecn = process_ecn(qp, packet);
+ fecn = process_ecn(qp, packet);
kpsn = mask_psn(be32_to_cpu(ohdr->bth[2]));
aeth = be32_to_cpu(ohdr->u.tid_rdma.r_rsp.aeth);
opcode = (be32_to_cpu(ohdr->bth[0]) >> 24) & 0xff;
flow = &req->flows[req->clear_tail];
/* When header suppression is disabled */
- if (cmp_psn(ipsn, flow->flow_state.ib_lpsn))
+ if (cmp_psn(ipsn, flow->flow_state.ib_lpsn)) {
+ update_r_next_psn_fecn(packet, priv, rcd, flow, fecn);
+
+ if (cmp_psn(kpsn, flow->flow_state.r_next_psn))
+ goto ack_done;
+ flow->flow_state.r_next_psn = mask_psn(kpsn + 1);
+ /*
+ * Copy the payload to destination buffer if this packet is
+ * delivered as an eager packet due to RSM rule and FECN.
+ * The RSM rule selects FECN bit in BTH and SH bit in
+ * KDETH header and therefore will not match the last
+ * packet of each segment that has SH bit cleared.
+ */
+ if (fecn && packet->etype == RHF_RCV_TYPE_EAGER) {
+ struct rvt_sge_state ss;
+ u32 len;
+ u32 tlen = packet->tlen;
+ u16 hdrsize = packet->hlen;
+ u8 pad = packet->pad;
+ u8 extra_bytes = pad + packet->extra_byte +
+ (SIZE_OF_CRC << 2);
+ u32 pmtu = qp->pmtu;
+
+ if (unlikely(tlen != (hdrsize + pmtu + extra_bytes)))
+ goto ack_op_err;
+ len = restart_sge(&ss, req->e.swqe, ipsn, pmtu);
+ if (unlikely(len < pmtu))
+ goto ack_op_err;
+ rvt_copy_sge(qp, &ss, packet->payload, pmtu, false,
+ false);
+ /* Raise the sw sequence check flag for next packet */
+ priv->s_flags |= HFI1_R_TID_SW_PSN;
+ }
+
goto ack_done;
+ }
+ flow->flow_state.r_next_psn = mask_psn(kpsn + 1);
req->ack_pending--;
priv->pending_tid_r_segs--;
qp->s_num_rd_atomic--;
req->comp_seg == req->cur_seg) ||
priv->tid_r_comp == priv->tid_r_reqs) {
hfi1_kern_clear_hw_flow(priv->rcd, qp);
+ priv->s_flags &= ~HFI1_R_TID_SW_PSN;
if (req->state == TID_REQUEST_SYNC)
req->state = TID_REQUEST_ACTIVE;
}
ack_done:
spin_unlock_irqrestore(&qp->s_lock, flags);
- if (is_fecn)
- hfi1_send_rc_ack(packet, is_fecn);
}
void hfi1_kern_read_tid_flow_free(struct rvt_qp *qp)
rvt_rc_error(qp, IB_WC_LOC_QP_OP_ERR);
return ret;
}
- if (priv->flow_state.flags & TID_FLOW_SW_PSN) {
+ if (priv->s_flags & HFI1_R_TID_SW_PSN) {
diff = cmp_psn(psn,
- priv->flow_state.r_next_psn);
+ flow->flow_state.r_next_psn);
if (diff > 0) {
if (!(qp->r_flags & RVT_R_RDMAR_SEQ))
restart_tid_rdma_read_req(rcd,
qp->r_flags &=
~RVT_R_RDMAR_SEQ;
}
- priv->flow_state.r_next_psn++;
+ flow->flow_state.r_next_psn =
+ mask_psn(psn + 1);
} else {
- u64 reg;
u32 last_psn;
- /*
- * The only sane way to get the amount of
- * progress is to read the HW flow state.
- */
- reg = read_uctxt_csr(dd, rcd->ctxt,
- RCV_TID_FLOW_TABLE +
- (8 * flow->idx));
- last_psn = mask_psn(reg);
-
- priv->flow_state.r_next_psn = last_psn;
- priv->flow_state.flags |= TID_FLOW_SW_PSN;
+ last_psn = read_r_next_psn(dd, rcd->ctxt,
+ flow->idx);
+ flow->flow_state.r_next_psn = last_psn;
+ priv->s_flags |= HFI1_R_TID_SW_PSN;
/*
* If no request has been restarted yet,
* restart the current one.
struct rvt_ack_entry *e;
struct tid_rdma_request *req;
struct tid_rdma_flow *flow;
+ int diff = 0;
trace_hfi1_msg_handle_kdeth_eflags(NULL, "Kdeth error: rhf ",
packet->rhf);
- if (packet->rhf & (RHF_VCRC_ERR | RHF_ICRC_ERR))
+ if (packet->rhf & RHF_ICRC_ERR)
return ret;
packet->ohdr = &hdr->u.oth;
switch (rte) {
case RHF_RTE_EXPECTED_FLOW_SEQ_ERR:
if (!(qpriv->s_flags & HFI1_R_TID_SW_PSN)) {
- u64 reg;
-
qpriv->s_flags |= HFI1_R_TID_SW_PSN;
- /*
- * The only sane way to get the amount of
- * progress is to read the HW flow state.
- */
- reg = read_uctxt_csr(dd, rcd->ctxt,
- RCV_TID_FLOW_TABLE +
- (8 * flow->idx));
- flow->flow_state.r_next_psn = mask_psn(reg);
+ flow->flow_state.r_next_psn =
+ read_r_next_psn(dd, rcd->ctxt,
+ flow->idx);
qpriv->r_next_psn_kdeth =
flow->flow_state.r_next_psn;
goto nak_psn;
* mismatch could be due to packets that were
* already in flight.
*/
- if (psn != flow->flow_state.r_next_psn) {
- psn = flow->flow_state.r_next_psn;
+ diff = cmp_psn(psn,
+ flow->flow_state.r_next_psn);
+ if (diff > 0)
goto nak_psn;
- }
+ else if (diff < 0)
+ break;
qpriv->s_nak_state = 0;
/*
if (psn == full_flow_psn(flow,
flow->flow_state.lpsn))
ret = false;
+ flow->flow_state.r_next_psn =
+ mask_psn(psn + 1);
qpriv->r_next_psn_kdeth =
- ++flow->flow_state.r_next_psn;
+ flow->flow_state.r_next_psn;
}
break;
if (qpriv->r_tid_alloc == qpriv->r_tid_head) {
/* If all data has been received, clear the flow */
if (qpriv->flow_state.index < RXE_NUM_TID_FLOWS &&
- !qpriv->alloc_w_segs)
+ !qpriv->alloc_w_segs) {
hfi1_kern_clear_hw_flow(rcd, qp);
+ qpriv->s_flags &= ~HFI1_R_TID_SW_PSN;
+ }
break;
}
if (qpriv->sync_pt && !qpriv->alloc_w_segs) {
hfi1_kern_clear_hw_flow(rcd, qp);
qpriv->sync_pt = false;
- if (qpriv->s_flags & HFI1_R_TID_SW_PSN)
- qpriv->s_flags &= ~HFI1_R_TID_SW_PSN;
+ qpriv->s_flags &= ~HFI1_R_TID_SW_PSN;
}
/* Allocate flow if we don't have one */
struct hfi1_qp_priv *qpriv = qp->priv;
struct tid_rdma_request *req;
u32 bth0, psn, len, rkey, num_segs;
- bool is_fecn;
+ bool fecn;
u8 next;
u64 vaddr;
int diff;
if (hfi1_ruc_check_hdr(ibp, packet))
return;
- is_fecn = process_ecn(qp, packet);
+ fecn = process_ecn(qp, packet);
psn = mask_psn(be32_to_cpu(ohdr->bth[2]));
trace_hfi1_rsp_rcv_tid_write_req(qp, psn);
num_segs = DIV_ROUND_UP(len, qpriv->tid_rdma.local.max_len);
diff = delta_psn(psn, qp->r_psn);
if (unlikely(diff)) {
- if (tid_rdma_rcv_error(packet, ohdr, qp, psn, diff))
- return;
- goto send_ack;
+ tid_rdma_rcv_err(packet, ohdr, qp, psn, diff, fecn);
+ return;
}
/*
goto update_head;
}
- if (e->rdma_sge.mr) {
- rvt_put_mr(e->rdma_sge.mr);
- e->rdma_sge.mr = NULL;
- }
+ release_rdma_sge_mr(e);
/* The length needs to be in multiples of PAGE_SIZE */
if (!len || len & ~PAGE_MASK)
/* Schedule the send tasklet. */
qp->s_flags |= RVT_S_RESP_PENDING;
+ if (fecn)
+ qp->s_flags |= RVT_S_ECN;
hfi1_schedule_send(qp);
spin_unlock_irqrestore(&qp->s_lock, flags);
- if (is_fecn)
- goto send_ack;
return;
nack_inv_unlock:
rvt_rc_error(qp, IB_WC_LOC_PROT_ERR);
qp->r_nak_state = IB_NAK_REMOTE_ACCESS_ERROR;
qp->r_ack_psn = qp->r_psn;
-send_ack:
- hfi1_send_rc_ack(packet, is_fecn);
}
u32 hfi1_build_tid_rdma_write_resp(struct rvt_qp *qp, struct rvt_ack_entry *e,
struct tid_rdma_flow *flow;
enum ib_wc_status status;
u32 opcode, aeth, psn, flow_psn, i, tidlen = 0, pktlen;
- bool is_fecn;
+ bool fecn;
unsigned long flags;
- is_fecn = process_ecn(qp, packet);
+ fecn = process_ecn(qp, packet);
psn = mask_psn(be32_to_cpu(ohdr->bth[2]));
aeth = be32_to_cpu(ohdr->u.tid_rdma.w_rsp.aeth);
opcode = (be32_to_cpu(ohdr->bth[0]) >> 24) & 0xff;
qpriv->s_tid_cur = i;
}
qp->s_flags &= ~HFI1_S_WAIT_TID_RESP;
-
hfi1_schedule_tid_send(qp);
goto ack_done;
ack_err:
rvt_error_qp(qp, status);
ack_done:
+ if (fecn)
+ qp->s_flags |= RVT_S_ECN;
spin_unlock_irqrestore(&qp->s_lock, flags);
- if (is_fecn)
- hfi1_send_rc_ack(packet, is_fecn);
}
bool hfi1_build_tid_rdma_packet(struct rvt_swqe *wqe,
unsigned long flags;
u32 psn, next;
u8 opcode;
+ bool fecn;
+ fecn = process_ecn(qp, packet);
psn = mask_psn(be32_to_cpu(ohdr->bth[2]));
opcode = (be32_to_cpu(ohdr->bth[0]) >> 24) & 0xff;
req = ack_to_tid_req(e);
flow = &req->flows[req->clear_tail];
if (cmp_psn(psn, full_flow_psn(flow, flow->flow_state.lpsn))) {
+ update_r_next_psn_fecn(packet, priv, rcd, flow, fecn);
+
if (cmp_psn(psn, flow->flow_state.r_next_psn))
goto send_nak;
- flow->flow_state.r_next_psn++;
+
+ flow->flow_state.r_next_psn = mask_psn(psn + 1);
+ /*
+ * Copy the payload to destination buffer if this packet is
+ * delivered as an eager packet due to RSM rule and FECN.
+ * The RSM rule selects FECN bit in BTH and SH bit in
+ * KDETH header and therefore will not match the last
+ * packet of each segment that has SH bit cleared.
+ */
+ if (fecn && packet->etype == RHF_RCV_TYPE_EAGER) {
+ struct rvt_sge_state ss;
+ u32 len;
+ u32 tlen = packet->tlen;
+ u16 hdrsize = packet->hlen;
+ u8 pad = packet->pad;
+ u8 extra_bytes = pad + packet->extra_byte +
+ (SIZE_OF_CRC << 2);
+ u32 pmtu = qp->pmtu;
+
+ if (unlikely(tlen != (hdrsize + pmtu + extra_bytes)))
+ goto send_nak;
+ len = req->comp_seg * req->seg_len;
+ len += delta_psn(psn,
+ full_flow_psn(flow, flow->flow_state.spsn)) *
+ pmtu;
+ if (unlikely(req->total_len - len < pmtu))
+ goto send_nak;
+
+ /*
+ * The e->rdma_sge field is set when TID RDMA WRITE REQ
+ * is first received and is never modified thereafter.
+ */
+ ss.sge = e->rdma_sge;
+ ss.sg_list = NULL;
+ ss.num_sge = 1;
+ ss.total_len = req->total_len;
+ rvt_skip_sge(&ss, len, false);
+ rvt_copy_sge(qp, &ss, packet->payload, pmtu, false,
+ false);
+ /* Raise the sw sequence check flag for next packet */
+ priv->r_next_psn_kdeth = mask_psn(psn + 1);
+ priv->s_flags |= HFI1_R_TID_SW_PSN;
+ }
goto exit;
}
flow->flow_state.r_next_psn = mask_psn(psn + 1);
priv->r_tid_ack = priv->r_tid_tail;
if (opcode == TID_OP(WRITE_DATA_LAST)) {
+ release_rdma_sge_mr(e);
for (next = priv->r_tid_tail + 1; ; next++) {
if (next > rvt_size_atomic(&dev->rdi))
next = 0;
hfi1_schedule_tid_send(qp);
exit:
priv->r_next_psn_kdeth = flow->flow_state.r_next_psn;
+ if (fecn)
+ qp->s_flags |= RVT_S_ECN;
spin_unlock_irqrestore(&qp->s_lock, flags);
return;
struct tid_rdma_request *req;
struct tid_rdma_flow *flow;
u32 aeth, psn, req_psn, ack_psn, fspsn, resync_psn, ack_kpsn;
- bool is_fecn;
unsigned long flags;
u16 fidx;
trace_hfi1_tid_write_sender_rcv_tid_ack(qp, 0);
- is_fecn = process_ecn(qp, packet);
+ process_ecn(qp, packet);
psn = mask_psn(be32_to_cpu(ohdr->bth[2]));
aeth = be32_to_cpu(ohdr->u.tid_rdma.ack.aeth);
req_psn = mask_psn(be32_to_cpu(ohdr->u.tid_rdma.ack.verbs_psn));
struct tid_rdma_flow *flow;
struct tid_flow_state *fs = &qpriv->flow_state;
u32 psn, generation, idx, gen_next;
- bool is_fecn;
+ bool fecn;
unsigned long flags;
- is_fecn = process_ecn(qp, packet);
+ fecn = process_ecn(qp, packet);
psn = mask_psn(be32_to_cpu(ohdr->bth[2]));
generation = mask_psn(psn + 1) >> HFI1_KDETH_BTH_SEQ_SHIFT;
qpriv->s_flags |= RVT_S_ACK_PENDING;
hfi1_schedule_tid_send(qp);
bail:
+ if (fecn)
+ qp->s_flags |= RVT_S_ECN;
spin_unlock_irqrestore(&qp->s_lock, flags);
}
}
return false;
}
+
+static u32 read_r_next_psn(struct hfi1_devdata *dd, u8 ctxt, u8 fidx)
+{
+ u64 reg;
+
+ /*
+ * The only sane way to get the amount of
+ * progress is to read the HW flow state.
+ */
+ reg = read_uctxt_csr(dd, ctxt, RCV_TID_FLOW_TABLE + (8 * fidx));
+ return mask_psn(reg);
+}
+
+static void tid_rdma_rcv_err(struct hfi1_packet *packet,
+ struct ib_other_headers *ohdr,
+ struct rvt_qp *qp, u32 psn, int diff, bool fecn)
+{
+ unsigned long flags;
+
+ tid_rdma_rcv_error(packet, ohdr, qp, psn, diff);
+ if (fecn) {
+ spin_lock_irqsave(&qp->s_lock, flags);
+ qp->s_flags |= RVT_S_ECN;
+ spin_unlock_irqrestore(&qp->s_lock, flags);
+ }
+}
+
+static void update_r_next_psn_fecn(struct hfi1_packet *packet,
+ struct hfi1_qp_priv *priv,
+ struct hfi1_ctxtdata *rcd,
+ struct tid_rdma_flow *flow,
+ bool fecn)
+{
+ /*
+ * If a start/middle packet is delivered here due to
+ * RSM rule and FECN, we need to update the r_next_psn.
+ */
+ if (fecn && packet->etype == RHF_RCV_TYPE_EAGER &&
+ !(priv->s_flags & HFI1_R_TID_SW_PSN)) {
+ struct hfi1_devdata *dd = rcd->dd;
+
+ flow->flow_state.r_next_psn =
+ read_r_next_psn(dd, rcd->ctxt, flow->idx);
+ }
+}
struct tid_flow_state {
u32 generation;
u32 psn;
- u32 r_next_psn; /* next PSN to be received (in TID space) */
u8 index;
u8 last_index;
- u8 flags;
};
enum tid_rdma_req_state {
* actual function to work and can not be in a macro.
*/
#define __hfi1_trace_def(lvl) \
-void __hfi1_trace_##lvl(const char *funct, char *fmt, ...); \
+void __printf(2, 3) __hfi1_trace_##lvl(const char *funct, char *fmt, ...); \
\
DEFINE_EVENT(hfi1_trace_template, hfi1_ ##lvl, \
TP_PROTO(const char *function, struct va_format *vaf), \
TP_ARGS(function, vaf))
#define __hfi1_trace_fn(lvl) \
-void __hfi1_trace_##lvl(const char *func, char *fmt, ...) \
+void __printf(2, 3) __hfi1_trace_##lvl(const char *func, char *fmt, ...)\
{ \
struct va_format vaf = { \
.fmt = fmt, \
"tid_r_comp %u pending_tid_r_segs %u " \
"s_flags 0x%x ps_flags 0x%x iow_flags 0x%lx " \
"s_state 0x%x hw_flow_index %u generation 0x%x " \
- "fpsn 0x%x flow_flags 0x%x"
+ "fpsn 0x%x"
#define TID_REQ_PRN "[%s] qpn 0x%x newreq %u opcode 0x%x psn 0x%x lpsn 0x%x " \
"cur_seg %u comp_seg %u ack_seg %u alloc_seg %u " \
"pending_tid_w_segs %u sync_pt %s " \
"ps_nak_psn 0x%x ps_nak_state 0x%x " \
"prnr_nak_state 0x%x hw_flow_index %u generation "\
- "0x%x fpsn 0x%x flow_flags 0x%x resync %s" \
+ "0x%x fpsn 0x%x resync %s" \
"r_next_psn_kdeth 0x%x"
#define TID_WRITE_SENDER_PRN "[%s] qpn 0x%x newreq %u s_tid_cur %u " \
__field(u32, hw_flow_index)
__field(u32, generation)
__field(u32, fpsn)
- __field(u32, flow_flags)
),
TP_fast_assign(/* assign */
struct hfi1_qp_priv *priv = qp->priv;
__entry->hw_flow_index = priv->flow_state.index;
__entry->generation = priv->flow_state.generation;
__entry->fpsn = priv->flow_state.psn;
- __entry->flow_flags = priv->flow_state.flags;
),
TP_printk(/* print */
TID_READ_SENDER_PRN,
__entry->s_state,
__entry->hw_flow_index,
__entry->generation,
- __entry->fpsn,
- __entry->flow_flags
+ __entry->fpsn
)
);
__field(u32, hw_flow_index)
__field(u32, generation)
__field(u32, fpsn)
- __field(u32, flow_flags)
__field(bool, resync)
__field(u32, r_next_psn_kdeth)
),
__entry->hw_flow_index = priv->flow_state.index;
__entry->generation = priv->flow_state.generation;
__entry->fpsn = priv->flow_state.psn;
- __entry->flow_flags = priv->flow_state.flags;
__entry->resync = priv->resync;
__entry->r_next_psn_kdeth = priv->r_next_psn_kdeth;
),
__entry->hw_flow_index,
__entry->generation,
__entry->fpsn,
- __entry->flow_flags,
__entry->resync ? "yes" : "no",
__entry->r_next_psn_kdeth
)
case IB_QPT_UD:
break;
case IB_QPT_UC:
- case IB_QPT_RC: {
+ case IB_QPT_RC:
+ priv->s_running_pkt_size =
+ (tx->s_cur_size + priv->s_running_pkt_size) / 2;
if (piothreshold &&
- tx->s_cur_size <= min(piothreshold, qp->pmtu) &&
+ priv->s_running_pkt_size <= min(piothreshold, qp->pmtu) &&
(BIT(ps->opcode & OPMASK) & pio_opmask[ps->opcode >> 5]) &&
iowait_sdma_pending(&priv->s_iowait) == 0 &&
!sdma_txreq_built(&tx->txreq))
return dd->process_pio_send;
break;
- }
default:
break;
}
static u64 hfi1_sps_ints(void)
{
- unsigned long flags;
+ unsigned long index, flags;
struct hfi1_devdata *dd;
u64 sps_ints = 0;
- spin_lock_irqsave(&hfi1_devs_lock, flags);
- list_for_each_entry(dd, &hfi1_dev_list, list) {
+ xa_lock_irqsave(&hfi1_dev_table, flags);
+ xa_for_each(&hfi1_dev_table, index, dd) {
sps_ints += get_all_cpu_total(dd->int_counter);
}
- spin_unlock_irqrestore(&hfi1_devs_lock, flags);
+ xa_unlock_irqrestore(&hfi1_dev_table, flags);
return sps_ints;
}
struct tid_flow_state flow_state;
struct tid_rdma_qp_params tid_rdma;
struct rvt_qp *owner;
+ u16 s_running_pkt_size;
u8 hdr_type; /* 9B or 16B */
struct rvt_sge_state tid_ss; /* SGE state pointer for 2nd leg */
atomic_t n_requests; /* # of TID RDMA requests in the */
void hfi1_vnic_setup(struct hfi1_devdata *dd)
{
- idr_init(&dd->vnic.vesw_idr);
+ xa_init(&dd->vnic.vesws);
}
void hfi1_vnic_cleanup(struct hfi1_devdata *dd)
{
- idr_destroy(&dd->vnic.vesw_idr);
+ WARN_ON(!xa_empty(&dd->vnic.vesws));
}
#define SUM_GRP_COUNTERS(stats, qstats, x_grp) do { \
l4_type = hfi1_16B_get_l4(packet->ebuf);
if (likely(l4_type == OPA_16B_L4_ETHR)) {
vesw_id = HFI1_VNIC_GET_VESWID(packet->ebuf);
- vinfo = idr_find(&dd->vnic.vesw_idr, vesw_id);
+ vinfo = xa_load(&dd->vnic.vesws, vesw_id);
/*
* In case of invalid vesw id, count the error on
*/
if (unlikely(!vinfo)) {
struct hfi1_vnic_vport_info *vinfo_tmp;
- int id_tmp = 0;
+ unsigned long index = 0;
- vinfo_tmp = idr_get_next(&dd->vnic.vesw_idr, &id_tmp);
+ vinfo_tmp = xa_find(&dd->vnic.vesws, &index, ULONG_MAX,
+ XA_PRESENT);
if (vinfo_tmp) {
spin_lock(&vport_cntr_lock);
vinfo_tmp->stats[0].netstats.rx_nohandler++;
if (!vinfo->vesw_id)
return -EINVAL;
- rc = idr_alloc(&dd->vnic.vesw_idr, vinfo, vinfo->vesw_id,
- vinfo->vesw_id + 1, GFP_NOWAIT);
+ rc = xa_insert(&dd->vnic.vesws, vinfo->vesw_id, vinfo, GFP_KERNEL);
if (rc < 0)
return rc;
clear_bit(HFI1_VNIC_UP, &vinfo->flags);
netif_carrier_off(vinfo->netdev);
netif_tx_disable(vinfo->netdev);
- idr_remove(&dd->vnic.vesw_idr, vinfo->vesw_id);
+ xa_erase(&dd->vnic.vesws, vinfo->vesw_id);
/* ensure irqs see the change */
msix_vnic_synchronize_irq(dd);
obj-$(CONFIG_INFINIBAND_HNS) += hns-roce.o
hns-roce-objs := hns_roce_main.o hns_roce_cmd.o hns_roce_pd.o \
hns_roce_ah.o hns_roce_hem.o hns_roce_mr.o hns_roce_qp.o \
- hns_roce_cq.o hns_roce_alloc.o hns_roce_db.o hns_roce_srq.o
+ hns_roce_cq.o hns_roce_alloc.o hns_roce_db.o hns_roce_srq.o hns_roce_restrack.o
obj-$(CONFIG_INFINIBAND_HNS_HIP06) += hns-roce-hw-v1.o
hns-roce-hw-v1-objs := hns_roce_hw_v1.o
obj-$(CONFIG_INFINIBAND_HNS_HIP08) += hns-roce-hw-v2.o
-hns-roce-hw-v2-objs := hns_roce_hw_v2.o
+hns-roce-hw-v2-objs := hns_roce_hw_v2.o hns_roce_hw_v2_dfx.o
#define HNS_ROCE_VLAN_SL_BIT_MASK 7
#define HNS_ROCE_VLAN_SL_SHIFT 13
-struct ib_ah *hns_roce_create_ah(struct ib_pd *ibpd,
- struct rdma_ah_attr *ah_attr,
- u32 flags,
- struct ib_udata *udata)
+int hns_roce_create_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr,
+ u32 flags, struct ib_udata *udata)
{
- struct hns_roce_dev *hr_dev = to_hr_dev(ibpd->device);
+ struct hns_roce_dev *hr_dev = to_hr_dev(ibah->device);
const struct ib_gid_attr *gid_attr;
struct device *dev = hr_dev->dev;
- struct hns_roce_ah *ah;
+ struct hns_roce_ah *ah = to_hr_ah(ibah);
u16 vlan_tag = 0xffff;
const struct ib_global_route *grh = rdma_ah_read_grh(ah_attr);
bool vlan_en = false;
+ int ret;
- ah = kzalloc(sizeof(*ah), GFP_ATOMIC);
- if (!ah)
- return ERR_PTR(-ENOMEM);
+ gid_attr = ah_attr->grh.sgid_attr;
+ ret = rdma_read_gid_l2_fields(gid_attr, &vlan_tag, NULL);
+ if (ret)
+ return ret;
/* Get mac address */
memcpy(ah->av.mac, ah_attr->roce.dmac, ETH_ALEN);
- gid_attr = ah_attr->grh.sgid_attr;
- if (is_vlan_dev(gid_attr->ndev)) {
- vlan_tag = vlan_dev_vlan_id(gid_attr->ndev);
+ if (vlan_tag < VLAN_CFI_MASK) {
vlan_en = true;
- }
-
- if (vlan_tag < 0x1000)
vlan_tag |= (rdma_ah_get_sl(ah_attr) &
HNS_ROCE_VLAN_SL_BIT_MASK) <<
HNS_ROCE_VLAN_SL_SHIFT;
+ }
- ah->av.port_pd = cpu_to_be32(to_hr_pd(ibpd)->pdn |
+ ah->av.port_pd = cpu_to_le32(to_hr_pd(ibah->pd)->pdn |
(rdma_ah_get_port_num(ah_attr) <<
HNS_ROCE_PORT_NUM_SHIFT));
ah->av.gid_index = grh->sgid_index;
ah->av.sl_tclass_flowlabel = cpu_to_le32(rdma_ah_get_sl(ah_attr) <<
HNS_ROCE_SL_SHIFT);
- return &ah->ibah;
+ return 0;
}
int hns_roce_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr)
return 0;
}
-int hns_roce_destroy_ah(struct ib_ah *ah, u32 flags)
+void hns_roce_destroy_ah(struct ib_ah *ah, u32 flags)
{
- kfree(to_hr_ah(ah));
-
- return 0;
+ return;
}
HNS_ROCE_CMD_QUERY_QPC = 0x42,
HNS_ROCE_CMD_MODIFY_CQC = 0x52,
+ HNS_ROCE_CMD_QUERY_CQC = 0x53,
/* CQC BT commands */
HNS_ROCE_CMD_WRITE_CQC_BT0 = 0x10,
HNS_ROCE_CMD_WRITE_CQC_BT1 = 0x11,
#define roce_set_bit(origin, shift, val) \
roce_set_field((origin), (1ul << (shift)), (shift), (val))
-/*
- * roce_hw_index_cmp_lt - Compare two hardware index values in hisilicon
- * SOC, check if a is less than b.
- * @a: hardware index value
- * @b: hardware index value
- * @bits: the number of bits of a and b, range: 0~31.
- *
- * Hardware index increases continuously till max value, and then restart
- * from zero, again and again. Because the bits of reg field is often
- * limited, the reg field can only hold the low bits of the hardware index
- * in hisilicon SOC.
- * In some scenes we need to compare two values(a,b) getted from two reg
- * fields in this driver, for example:
- * If a equals 0xfffe, b equals 0x1 and bits equals 16, we think b has
- * incresed from 0xffff to 0x1 and a is less than b.
- * If a equals 0xfffe, b equals 0x0xf001 and bits equals 16, we think a
- * is bigger than b.
- *
- * Return true on a less than b, otherwise false.
- */
-#define roce_hw_index_mask(bits) ((1ul << (bits)) - 1)
-#define roce_hw_index_shift(bits) (32 - (bits))
-#define roce_hw_index_cmp_lt(a, b, bits) \
- ((int)((((a) - (b)) & roce_hw_index_mask(bits)) << \
- roce_hw_index_shift(bits)) < 0)
-
#define ROCEE_GLB_CFG_ROCEE_DB_SQ_MODE_S 3
#define ROCEE_GLB_CFG_ROCEE_DB_OTH_MODE_S 4
#define ROCEE_SDB_SEND_PTR_SDB_SEND_PTR_M \
(((1UL << 28) - 1) << ROCEE_SDB_SEND_PTR_SDB_SEND_PTR_S)
-#define ROCEE_SDB_PTR_CMP_BITS 28
-
#define ROCEE_SDB_INV_CNT_SDB_INV_CNT_S 0
#define ROCEE_SDB_INV_CNT_SDB_INV_CNT_M \
(((1UL << 16) - 1) << ROCEE_SDB_INV_CNT_SDB_INV_CNT_S)
#define ROCEE_CAEP_AE_MASK_REG 0x6C8
#define ROCEE_CAEP_AE_ST_REG 0x6CC
-#define ROCEE_SDB_ISSUE_PTR_REG 0x758
-#define ROCEE_SDB_SEND_PTR_REG 0x75C
#define ROCEE_CAEP_CQE_WCMD_EMPTY 0x850
#define ROCEE_SCAEP_WR_CQE_CNT 0x8D0
-#define ROCEE_SDB_INV_CNT_REG 0x9A4
-#define ROCEE_SDB_RETRY_CNT_REG 0x9AC
-#define ROCEE_TSP_BP_ST_REG 0x9EC
#define ROCEE_ECC_UCERR_ALM0_REG 0xB34
#define ROCEE_ECC_CERR_ALM0_REG 0xB40
#include <linux/platform_device.h>
#include <rdma/ib_umem.h>
+#include <rdma/uverbs_ioctl.h>
#include "hns_roce_device.h"
#include "hns_roce_cmd.h"
#include "hns_roce_hem.h"
goto err_out;
}
- /* The cq insert radix tree */
- spin_lock_irq(&cq_table->lock);
- /* Radix_tree: The associated pointer and long integer key value like */
- ret = radix_tree_insert(&cq_table->tree, hr_cq->cqn, hr_cq);
- spin_unlock_irq(&cq_table->lock);
+ ret = xa_err(xa_store(&cq_table->array, hr_cq->cqn, hr_cq, GFP_KERNEL));
if (ret) {
- dev_err(dev, "CQ alloc.Failed to radix_tree_insert.\n");
+ dev_err(dev, "CQ alloc failed xa_store.\n");
goto err_put;
}
mailbox = hns_roce_alloc_cmd_mailbox(hr_dev);
if (IS_ERR(mailbox)) {
ret = PTR_ERR(mailbox);
- goto err_radix;
+ goto err_xa;
}
hr_dev->hw->write_cqc(hr_dev, hr_cq, mailbox->buf, mtts, dma_handle,
hns_roce_free_cmd_mailbox(hr_dev, mailbox);
if (ret) {
dev_err(dev, "CQ alloc.Failed to cmd mailbox.\n");
- goto err_radix;
+ goto err_xa;
}
hr_cq->cons_index = 0;
return 0;
-err_radix:
- spin_lock_irq(&cq_table->lock);
- radix_tree_delete(&cq_table->tree, hr_cq->cqn);
- spin_unlock_irq(&cq_table->lock);
+err_xa:
+ xa_erase(&cq_table->array, hr_cq->cqn);
err_put:
hns_roce_table_put(hr_dev, &cq_table->table, hr_cq->cqn);
dev_err(dev, "HW2SW_CQ failed (%d) for CQN %06lx\n", ret,
hr_cq->cqn);
+ xa_erase(&cq_table->array, hr_cq->cqn);
+
/* Waiting interrupt process procedure carried out */
synchronize_irq(hr_dev->eq_table.eq[hr_cq->vector].irq);
complete(&hr_cq->free);
wait_for_completion(&hr_cq->free);
- spin_lock_irq(&cq_table->lock);
- radix_tree_delete(&cq_table->tree, hr_cq->cqn);
- spin_unlock_irq(&cq_table->lock);
-
hns_roce_table_put(hr_dev, &cq_table->table, hr_cq->cqn);
hns_roce_bitmap_free(&cq_table->bitmap, hr_cq->cqn, BITMAP_NO_RR);
}
struct ib_cq *hns_roce_ib_create_cq(struct ib_device *ib_dev,
const struct ib_cq_init_attr *attr,
- struct ib_ucontext *context,
struct ib_udata *udata)
{
struct hns_roce_dev *hr_dev = to_hr_dev(ib_dev);
int vector = attr->comp_vector;
int cq_entries = attr->cqe;
int ret;
+ struct hns_roce_ucontext *context = rdma_udata_to_drv_context(
+ udata, struct hns_roce_ucontext, ibucontext);
if (cq_entries < 1 || cq_entries > hr_dev->caps.max_cqes) {
dev_err(dev, "Creat CQ failed. entries=%d, max=%d\n",
hr_cq->ib_cq.cqe = cq_entries - 1;
spin_lock_init(&hr_cq->lock);
- if (context) {
+ if (udata) {
if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd))) {
dev_err(dev, "Failed to copy_from_udata.\n");
ret = -EFAULT;
if ((hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RECORD_DB) &&
(udata->outlen >= sizeof(resp))) {
- ret = hns_roce_db_map_user(to_hr_ucontext(context),
- udata, ucmd.db_addr,
+ ret = hns_roce_db_map_user(context, udata, ucmd.db_addr,
&hr_cq->db);
if (ret) {
dev_err(dev, "cq record doorbell map failed!\n");
}
/* Get user space parameters */
- uar = &to_hr_ucontext(context)->uar;
+ uar = &context->uar;
} else {
if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RECORD_DB) {
ret = hns_roce_alloc_db(hr_dev, &hr_cq->db, 1);
* problems if tptr is set to zero here, so we initialze it in user
* space.
*/
- if (!context && hr_cq->tptr_addr)
+ if (!udata && hr_cq->tptr_addr)
*hr_cq->tptr_addr = 0;
/* Get created cq handler and carry out event */
hr_cq->event = hns_roce_ib_cq_event;
hr_cq->cq_depth = cq_entries;
- if (context) {
+ if (udata) {
resp.cqn = hr_cq->cqn;
ret = ib_copy_to_udata(udata, &resp, sizeof(resp));
if (ret)
hns_roce_free_cq(hr_dev, hr_cq);
err_dbmap:
- if (context && (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RECORD_DB) &&
+ if (udata && (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RECORD_DB) &&
(udata->outlen >= sizeof(resp)))
- hns_roce_db_unmap_user(to_hr_ucontext(context),
- &hr_cq->db);
+ hns_roce_db_unmap_user(context, &hr_cq->db);
err_mtt:
hns_roce_mtt_cleanup(hr_dev, &hr_cq->hr_buf.hr_mtt);
- if (context)
+ if (udata)
ib_umem_release(hr_cq->umem);
else
hns_roce_ib_free_cq_buf(hr_dev, &hr_cq->hr_buf,
hr_cq->ib_cq.cqe);
err_db:
- if (!context && (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RECORD_DB))
+ if (!udata && (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RECORD_DB))
hns_roce_free_db(hr_dev, &hr_cq->db);
err_cq:
}
EXPORT_SYMBOL_GPL(hns_roce_ib_create_cq);
-int hns_roce_ib_destroy_cq(struct ib_cq *ib_cq)
+int hns_roce_ib_destroy_cq(struct ib_cq *ib_cq, struct ib_udata *udata)
{
struct hns_roce_dev *hr_dev = to_hr_dev(ib_cq->device);
struct hns_roce_cq *hr_cq = to_hr_cq(ib_cq);
int ret = 0;
if (hr_dev->hw->destroy_cq) {
- ret = hr_dev->hw->destroy_cq(ib_cq);
+ ret = hr_dev->hw->destroy_cq(ib_cq, udata);
} else {
hns_roce_free_cq(hr_dev, hr_cq);
hns_roce_mtt_cleanup(hr_dev, &hr_cq->hr_buf.hr_mtt);
- if (ib_cq->uobject) {
+ if (udata) {
ib_umem_release(hr_cq->umem);
if (hr_cq->db_en == 1)
hns_roce_db_unmap_user(
- to_hr_ucontext(ib_cq->uobject->context),
+ rdma_udata_to_drv_context(
+ udata,
+ struct hns_roce_ucontext,
+ ibucontext),
&hr_cq->db);
} else {
/* Free the buff of stored cq */
struct device *dev = hr_dev->dev;
struct hns_roce_cq *cq;
- cq = radix_tree_lookup(&hr_dev->cq_table.tree,
- cqn & (hr_dev->caps.num_cqs - 1));
+ cq = xa_load(&hr_dev->cq_table.array, cqn & (hr_dev->caps.num_cqs - 1));
if (!cq) {
dev_warn(dev, "Completion event for bogus CQ 0x%08x\n", cqn);
return;
struct device *dev = hr_dev->dev;
struct hns_roce_cq *cq;
- cq = radix_tree_lookup(&cq_table->tree,
- cqn & (hr_dev->caps.num_cqs - 1));
+ cq = xa_load(&cq_table->array, cqn & (hr_dev->caps.num_cqs - 1));
if (cq)
atomic_inc(&cq->refcount);
{
struct hns_roce_cq_table *cq_table = &hr_dev->cq_table;
- spin_lock_init(&cq_table->lock);
- INIT_RADIX_TREE(&cq_table->tree, GFP_ATOMIC);
+ xa_init(&cq_table->array);
return hns_roce_bitmap_init(&cq_table->bitmap, hr_dev->caps.num_cqs,
hr_dev->caps.num_cqs - 1,
struct hns_roce_qp_table {
struct hns_roce_bitmap bitmap;
- spinlock_t lock;
struct hns_roce_hem_table qp_table;
struct hns_roce_hem_table irrl_table;
struct hns_roce_hem_table trrl_table;
struct hns_roce_cq_table {
struct hns_roce_bitmap bitmap;
- spinlock_t lock;
- struct radix_tree_root tree;
+ struct xarray array;
struct hns_roce_hem_table table;
};
int sub_type;
};
+struct hns_roce_dfx_hw {
+ int (*query_cqc_info)(struct hns_roce_dev *hr_dev, u32 cqn,
+ int *buffer);
+};
+
struct hns_roce_hw {
int (*reset)(struct hns_roce_dev *hr_dev, bool enable);
int (*cmq_init)(struct hns_roce_dev *hr_dev);
int (*modify_qp)(struct ib_qp *ibqp, const struct ib_qp_attr *attr,
int attr_mask, enum ib_qp_state cur_state,
enum ib_qp_state new_state);
- int (*destroy_qp)(struct ib_qp *ibqp);
+ int (*destroy_qp)(struct ib_qp *ibqp, struct ib_udata *udata);
int (*qp_flow_control_init)(struct hns_roce_dev *hr_dev,
struct hns_roce_qp *hr_qp);
int (*post_send)(struct ib_qp *ibqp, const struct ib_send_wr *wr,
const struct ib_recv_wr **bad_recv_wr);
int (*req_notify_cq)(struct ib_cq *ibcq, enum ib_cq_notify_flags flags);
int (*poll_cq)(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
- int (*dereg_mr)(struct hns_roce_dev *hr_dev, struct hns_roce_mr *mr);
- int (*destroy_cq)(struct ib_cq *ibcq);
+ int (*dereg_mr)(struct hns_roce_dev *hr_dev, struct hns_roce_mr *mr,
+ struct ib_udata *udata);
+ int (*destroy_cq)(struct ib_cq *ibcq, struct ib_udata *udata);
int (*modify_cq)(struct ib_cq *cq, u16 cq_count, u16 cq_period);
int (*init_eq)(struct hns_roce_dev *hr_dev);
void (*cleanup_eq)(struct hns_roce_dev *hr_dev);
int irq[HNS_ROCE_MAX_IRQ_NUM];
u8 __iomem *reg_base;
struct hns_roce_caps caps;
- struct radix_tree_root qp_table_tree;
+ struct xarray qp_table_xa;
unsigned char dev_addr[HNS_ROCE_MAX_PORTS][MAC_ADDR_OCTET_NUM];
u64 sys_image_guid;
const struct hns_roce_hw *hw;
void *priv;
struct workqueue_struct *irq_workq;
+ const struct hns_roce_dfx_hw *dfx;
};
static inline struct hns_roce_dev *to_hr_dev(struct ib_device *ib_dev)
static inline struct hns_roce_qp
*__hns_roce_qp_lookup(struct hns_roce_dev *hr_dev, u32 qpn)
{
- return radix_tree_lookup(&hr_dev->qp_table_tree,
- qpn & (hr_dev->caps.num_qps - 1));
+ return xa_load(&hr_dev->qp_table_xa, qpn & (hr_dev->caps.num_qps - 1));
}
static inline void *hns_roce_buf_offset(struct hns_roce_buf *buf, int offset)
unsigned long obj, int cnt,
int rr);
-struct ib_ah *hns_roce_create_ah(struct ib_pd *pd,
- struct rdma_ah_attr *ah_attr,
- u32 flags,
- struct ib_udata *udata);
+int hns_roce_create_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr,
+ u32 flags, struct ib_udata *udata);
int hns_roce_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr);
-int hns_roce_destroy_ah(struct ib_ah *ah, u32 flags);
+void hns_roce_destroy_ah(struct ib_ah *ah, u32 flags);
-int hns_roce_alloc_pd(struct ib_pd *pd, struct ib_ucontext *context,
- struct ib_udata *udata);
-void hns_roce_dealloc_pd(struct ib_pd *pd);
+int hns_roce_alloc_pd(struct ib_pd *pd, struct ib_udata *udata);
+void hns_roce_dealloc_pd(struct ib_pd *pd, struct ib_udata *udata);
struct ib_mr *hns_roce_get_dma_mr(struct ib_pd *pd, int acc);
struct ib_mr *hns_roce_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
u64 virt_addr, int mr_access_flags, struct ib_pd *pd,
struct ib_udata *udata);
struct ib_mr *hns_roce_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,
- u32 max_num_sg);
+ u32 max_num_sg, struct ib_udata *udata);
int hns_roce_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents,
unsigned int *sg_offset);
-int hns_roce_dereg_mr(struct ib_mr *ibmr);
+int hns_roce_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata);
int hns_roce_hw2sw_mpt(struct hns_roce_dev *hr_dev,
struct hns_roce_cmd_mailbox *mailbox,
unsigned long mpt_index);
int hns_roce_ib_umem_write_mtt(struct hns_roce_dev *hr_dev,
struct hns_roce_mtt *mtt, struct ib_umem *umem);
-struct ib_srq *hns_roce_create_srq(struct ib_pd *pd,
- struct ib_srq_init_attr *srq_init_attr,
- struct ib_udata *udata);
+int hns_roce_create_srq(struct ib_srq *srq,
+ struct ib_srq_init_attr *srq_init_attr,
+ struct ib_udata *udata);
int hns_roce_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *srq_attr,
enum ib_srq_attr_mask srq_attr_mask,
struct ib_udata *udata);
-int hns_roce_destroy_srq(struct ib_srq *ibsrq);
+void hns_roce_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata);
struct ib_qp *hns_roce_create_qp(struct ib_pd *ib_pd,
struct ib_qp_init_attr *init_attr,
struct ib_cq *hns_roce_ib_create_cq(struct ib_device *ib_dev,
const struct ib_cq_init_attr *attr,
- struct ib_ucontext *context,
struct ib_udata *udata);
-int hns_roce_ib_destroy_cq(struct ib_cq *ib_cq);
+int hns_roce_ib_destroy_cq(struct ib_cq *ib_cq, struct ib_udata *udata);
void hns_roce_free_cq(struct hns_roce_dev *hr_dev, struct hns_roce_cq *hr_cq);
int hns_roce_db_map_user(struct hns_roce_ucontext *context,
int hns_roce_init(struct hns_roce_dev *hr_dev);
void hns_roce_exit(struct hns_roce_dev *hr_dev);
+int hns_roce_fill_res_entry(struct sk_buff *msg,
+ struct rdma_restrack_entry *res);
#endif /* _HNS_ROCE_DEVICE_H */
/* Reserved cq for loop qp */
cq_init_attr.cqe = HNS_ROCE_MIN_WQE_NUM * 2;
cq_init_attr.comp_vector = 0;
- cq = hns_roce_ib_create_cq(&hr_dev->ib_dev, &cq_init_attr, NULL, NULL);
+ cq = hns_roce_ib_create_cq(&hr_dev->ib_dev, &cq_init_attr, NULL);
if (IS_ERR(cq)) {
dev_err(dev, "Create cq for reserved loop qp failed!");
return -ENOMEM;
goto alloc_mem_failed;
pd->device = ibdev;
- ret = hns_roce_alloc_pd(pd, NULL, NULL);
+ ret = hns_roce_alloc_pd(pd, NULL);
if (ret)
goto alloc_pd_failed;
create_lp_qp_failed:
for (i -= 1; i >= 0; i--) {
hr_qp = free_mr->mr_free_qp[i];
- if (hns_roce_v1_destroy_qp(&hr_qp->ibqp))
+ if (hns_roce_v1_destroy_qp(&hr_qp->ibqp, NULL))
dev_err(dev, "Destroy qp %d for mr free failed!\n", i);
}
- hns_roce_dealloc_pd(pd);
+ hns_roce_dealloc_pd(pd, NULL);
alloc_pd_failed:
kfree(pd);
alloc_mem_failed:
- if (hns_roce_ib_destroy_cq(cq))
+ if (hns_roce_ib_destroy_cq(cq, NULL))
dev_err(dev, "Destroy cq for create_lp_qp failed!\n");
return ret;
if (!hr_qp)
continue;
- ret = hns_roce_v1_destroy_qp(&hr_qp->ibqp);
+ ret = hns_roce_v1_destroy_qp(&hr_qp->ibqp, NULL);
if (ret)
dev_err(dev, "Destroy qp %d for mr free failed(%d)!\n",
i, ret);
}
- ret = hns_roce_ib_destroy_cq(&free_mr->mr_free_cq->ib_cq);
+ ret = hns_roce_ib_destroy_cq(&free_mr->mr_free_cq->ib_cq, NULL);
if (ret)
dev_err(dev, "Destroy cq for mr_free failed(%d)!\n", ret);
- hns_roce_dealloc_pd(&free_mr->mr_free_pd->ibpd);
+ hns_roce_dealloc_pd(&free_mr->mr_free_pd->ibpd, NULL);
}
static int hns_roce_db_init(struct hns_roce_dev *hr_dev)
}
static int hns_roce_v1_dereg_mr(struct hns_roce_dev *hr_dev,
- struct hns_roce_mr *mr)
+ struct hns_roce_mr *mr, struct ib_udata *udata)
{
struct device *dev = &hr_dev->pdev->dev;
struct hns_roce_mr_free_work *mr_work;
return ret;
}
-static int hns_roce_des_qp_init(struct hns_roce_dev *hr_dev)
-{
- struct device *dev = &hr_dev->pdev->dev;
- struct hns_roce_v1_priv *priv;
- struct hns_roce_des_qp *des_qp;
-
- priv = (struct hns_roce_v1_priv *)hr_dev->priv;
- des_qp = &priv->des_qp;
-
- des_qp->requeue_flag = 1;
- des_qp->qp_wq = create_singlethread_workqueue("hns_roce_destroy_qp");
- if (!des_qp->qp_wq) {
- dev_err(dev, "Create destroy qp workqueue failed!\n");
- return -ENOMEM;
- }
-
- return 0;
-}
-
-static void hns_roce_des_qp_free(struct hns_roce_dev *hr_dev)
-{
- struct hns_roce_v1_priv *priv;
- struct hns_roce_des_qp *des_qp;
-
- priv = (struct hns_roce_v1_priv *)hr_dev->priv;
- des_qp = &priv->des_qp;
-
- des_qp->requeue_flag = 0;
- flush_workqueue(des_qp->qp_wq);
- destroy_workqueue(des_qp->qp_wq);
-}
-
static int hns_roce_v1_profile(struct hns_roce_dev *hr_dev)
{
int i = 0;
goto error_failed_tptr_init;
}
- ret = hns_roce_des_qp_init(hr_dev);
- if (ret) {
- dev_err(dev, "des qp init failed!\n");
- goto error_failed_des_qp_init;
- }
-
ret = hns_roce_free_mr_init(hr_dev);
if (ret) {
dev_err(dev, "free mr init failed!\n");
return 0;
error_failed_free_mr_init:
- hns_roce_des_qp_free(hr_dev);
-
-error_failed_des_qp_init:
hns_roce_tptr_free(hr_dev);
error_failed_tptr_init:
{
hns_roce_port_enable(hr_dev, HNS_ROCE_PORT_DOWN);
hns_roce_free_mr_free(hr_dev);
- hns_roce_des_qp_free(hr_dev);
hns_roce_tptr_free(hr_dev);
hns_roce_bt_free(hr_dev);
hns_roce_raq_free(hr_dev);
hns_roce_v1_q_qp(ibqp, qp_attr, qp_attr_mask, qp_init_attr);
}
-static void hns_roce_check_sdb_status(struct hns_roce_dev *hr_dev,
- u32 *old_send, u32 *old_retry,
- u32 *tsp_st, u32 *success_flags)
-{
- __le32 *old_send_tmp, *old_retry_tmp;
- u32 sdb_retry_cnt;
- u32 sdb_send_ptr;
- u32 cur_cnt, old_cnt;
- __le32 tmp, tmp1;
- u32 send_ptr;
-
- sdb_send_ptr = roce_read(hr_dev, ROCEE_SDB_SEND_PTR_REG);
- sdb_retry_cnt = roce_read(hr_dev, ROCEE_SDB_RETRY_CNT_REG);
- tmp = cpu_to_le32(sdb_send_ptr);
- tmp1 = cpu_to_le32(sdb_retry_cnt);
- cur_cnt = roce_get_field(tmp, ROCEE_SDB_SEND_PTR_SDB_SEND_PTR_M,
- ROCEE_SDB_SEND_PTR_SDB_SEND_PTR_S) +
- roce_get_field(tmp1, ROCEE_SDB_RETRY_CNT_SDB_RETRY_CT_M,
- ROCEE_SDB_RETRY_CNT_SDB_RETRY_CT_S);
-
- old_send_tmp = (__le32 *)old_send;
- old_retry_tmp = (__le32 *)old_retry;
- if (!roce_get_bit(*tsp_st, ROCEE_CNT_CLR_CE_CNT_CLR_CE_S)) {
- old_cnt = roce_get_field(*old_send_tmp,
- ROCEE_SDB_SEND_PTR_SDB_SEND_PTR_M,
- ROCEE_SDB_SEND_PTR_SDB_SEND_PTR_S) +
- roce_get_field(*old_retry_tmp,
- ROCEE_SDB_RETRY_CNT_SDB_RETRY_CT_M,
- ROCEE_SDB_RETRY_CNT_SDB_RETRY_CT_S);
- if (cur_cnt - old_cnt > SDB_ST_CMP_VAL)
- *success_flags = 1;
- } else {
- old_cnt = roce_get_field(*old_send_tmp,
- ROCEE_SDB_SEND_PTR_SDB_SEND_PTR_M,
- ROCEE_SDB_SEND_PTR_SDB_SEND_PTR_S);
- if (cur_cnt - old_cnt > SDB_ST_CMP_VAL) {
- *success_flags = 1;
- } else {
- send_ptr = roce_get_field(*old_send_tmp,
- ROCEE_SDB_SEND_PTR_SDB_SEND_PTR_M,
- ROCEE_SDB_SEND_PTR_SDB_SEND_PTR_S) +
- roce_get_field(tmp1,
- ROCEE_SDB_RETRY_CNT_SDB_RETRY_CT_M,
- ROCEE_SDB_RETRY_CNT_SDB_RETRY_CT_S);
- roce_set_field(*old_send_tmp,
- ROCEE_SDB_SEND_PTR_SDB_SEND_PTR_M,
- ROCEE_SDB_SEND_PTR_SDB_SEND_PTR_S,
- send_ptr);
- }
- }
-}
-
-static int check_qp_db_process_status(struct hns_roce_dev *hr_dev,
- struct hns_roce_qp *hr_qp,
- u32 sdb_issue_ptr,
- u32 *sdb_inv_cnt,
- u32 *wait_stage)
-{
- struct device *dev = &hr_dev->pdev->dev;
- u32 sdb_send_ptr, old_send;
- __le32 sdb_issue_ptr_tmp;
- __le32 sdb_send_ptr_tmp;
- u32 success_flags = 0;
- unsigned long end;
- u32 old_retry;
- u32 inv_cnt;
- u32 tsp_st;
- __le32 tmp;
-
- if (*wait_stage > HNS_ROCE_V1_DB_STAGE2 ||
- *wait_stage < HNS_ROCE_V1_DB_STAGE1) {
- dev_err(dev, "QP(0x%lx) db status wait stage(%d) error!\n",
- hr_qp->qpn, *wait_stage);
- return -EINVAL;
- }
-
- /* Calculate the total timeout for the entire verification process */
- end = msecs_to_jiffies(HNS_ROCE_V1_CHECK_DB_TIMEOUT_MSECS) + jiffies;
-
- if (*wait_stage == HNS_ROCE_V1_DB_STAGE1) {
- /* Query db process status, until hw process completely */
- sdb_send_ptr = roce_read(hr_dev, ROCEE_SDB_SEND_PTR_REG);
- while (roce_hw_index_cmp_lt(sdb_send_ptr, sdb_issue_ptr,
- ROCEE_SDB_PTR_CMP_BITS)) {
- if (!time_before(jiffies, end)) {
- dev_dbg(dev, "QP(0x%lx) db process stage1 timeout. issue 0x%x send 0x%x.\n",
- hr_qp->qpn, sdb_issue_ptr,
- sdb_send_ptr);
- return 0;
- }
-
- msleep(HNS_ROCE_V1_CHECK_DB_SLEEP_MSECS);
- sdb_send_ptr = roce_read(hr_dev,
- ROCEE_SDB_SEND_PTR_REG);
- }
-
- sdb_send_ptr_tmp = cpu_to_le32(sdb_send_ptr);
- sdb_issue_ptr_tmp = cpu_to_le32(sdb_issue_ptr);
- if (roce_get_field(sdb_issue_ptr_tmp,
- ROCEE_SDB_ISSUE_PTR_SDB_ISSUE_PTR_M,
- ROCEE_SDB_ISSUE_PTR_SDB_ISSUE_PTR_S) ==
- roce_get_field(sdb_send_ptr_tmp,
- ROCEE_SDB_SEND_PTR_SDB_SEND_PTR_M,
- ROCEE_SDB_SEND_PTR_SDB_SEND_PTR_S)) {
- old_send = roce_read(hr_dev, ROCEE_SDB_SEND_PTR_REG);
- old_retry = roce_read(hr_dev, ROCEE_SDB_RETRY_CNT_REG);
-
- do {
- tsp_st = roce_read(hr_dev, ROCEE_TSP_BP_ST_REG);
- tmp = cpu_to_le32(tsp_st);
- if (roce_get_bit(tmp,
- ROCEE_TSP_BP_ST_QH_FIFO_ENTRY_S) == 1) {
- *wait_stage = HNS_ROCE_V1_DB_WAIT_OK;
- return 0;
- }
-
- if (!time_before(jiffies, end)) {
- dev_dbg(dev, "QP(0x%lx) db process stage1 timeout when send ptr equals issue ptr.\n"
- "issue 0x%x send 0x%x.\n",
- hr_qp->qpn,
- le32_to_cpu(sdb_issue_ptr_tmp),
- le32_to_cpu(sdb_send_ptr_tmp));
- return 0;
- }
-
- msleep(HNS_ROCE_V1_CHECK_DB_SLEEP_MSECS);
-
- hns_roce_check_sdb_status(hr_dev, &old_send,
- &old_retry, &tsp_st,
- &success_flags);
- } while (!success_flags);
- }
-
- *wait_stage = HNS_ROCE_V1_DB_STAGE2;
-
- /* Get list pointer */
- *sdb_inv_cnt = roce_read(hr_dev, ROCEE_SDB_INV_CNT_REG);
- dev_dbg(dev, "QP(0x%lx) db process stage2. inv cnt = 0x%x.\n",
- hr_qp->qpn, *sdb_inv_cnt);
- }
-
- if (*wait_stage == HNS_ROCE_V1_DB_STAGE2) {
- /* Query db's list status, until hw reversal */
- inv_cnt = roce_read(hr_dev, ROCEE_SDB_INV_CNT_REG);
- while (roce_hw_index_cmp_lt(inv_cnt,
- *sdb_inv_cnt + SDB_INV_CNT_OFFSET,
- ROCEE_SDB_CNT_CMP_BITS)) {
- if (!time_before(jiffies, end)) {
- dev_dbg(dev, "QP(0x%lx) db process stage2 timeout. inv cnt 0x%x.\n",
- hr_qp->qpn, inv_cnt);
- return 0;
- }
-
- msleep(HNS_ROCE_V1_CHECK_DB_SLEEP_MSECS);
- inv_cnt = roce_read(hr_dev, ROCEE_SDB_INV_CNT_REG);
- }
-
- *wait_stage = HNS_ROCE_V1_DB_WAIT_OK;
- }
-
- return 0;
-}
-
-static int check_qp_reset_state(struct hns_roce_dev *hr_dev,
- struct hns_roce_qp *hr_qp,
- struct hns_roce_qp_work *qp_work_entry,
- int *is_timeout)
-{
- struct device *dev = &hr_dev->pdev->dev;
- u32 sdb_issue_ptr;
- int ret;
-
- if (hr_qp->state != IB_QPS_RESET) {
- /* Set qp to ERR, waiting for hw complete processing all dbs */
- ret = hns_roce_v1_modify_qp(&hr_qp->ibqp, NULL, 0, hr_qp->state,
- IB_QPS_ERR);
- if (ret) {
- dev_err(dev, "Modify QP(0x%lx) to ERR failed!\n",
- hr_qp->qpn);
- return ret;
- }
-
- /* Record issued doorbell */
- sdb_issue_ptr = roce_read(hr_dev, ROCEE_SDB_ISSUE_PTR_REG);
- qp_work_entry->sdb_issue_ptr = sdb_issue_ptr;
- qp_work_entry->db_wait_stage = HNS_ROCE_V1_DB_STAGE1;
-
- /* Query db process status, until hw process completely */
- ret = check_qp_db_process_status(hr_dev, hr_qp, sdb_issue_ptr,
- &qp_work_entry->sdb_inv_cnt,
- &qp_work_entry->db_wait_stage);
- if (ret) {
- dev_err(dev, "Check QP(0x%lx) db process status failed!\n",
- hr_qp->qpn);
- return ret;
- }
-
- if (qp_work_entry->db_wait_stage != HNS_ROCE_V1_DB_WAIT_OK) {
- qp_work_entry->sche_cnt = 0;
- *is_timeout = 1;
- return 0;
- }
-
- /* Modify qp to reset before destroying qp */
- ret = hns_roce_v1_modify_qp(&hr_qp->ibqp, NULL, 0, hr_qp->state,
- IB_QPS_RESET);
- if (ret) {
- dev_err(dev, "Modify QP(0x%lx) to RST failed!\n",
- hr_qp->qpn);
- return ret;
- }
- }
-
- return 0;
-}
-
-static void hns_roce_v1_destroy_qp_work_fn(struct work_struct *work)
-{
- struct hns_roce_qp_work *qp_work_entry;
- struct hns_roce_v1_priv *priv;
- struct hns_roce_dev *hr_dev;
- struct hns_roce_qp *hr_qp;
- struct device *dev;
- unsigned long qpn;
- int ret;
-
- qp_work_entry = container_of(work, struct hns_roce_qp_work, work);
- hr_dev = to_hr_dev(qp_work_entry->ib_dev);
- dev = &hr_dev->pdev->dev;
- priv = (struct hns_roce_v1_priv *)hr_dev->priv;
- hr_qp = qp_work_entry->qp;
- qpn = hr_qp->qpn;
-
- dev_dbg(dev, "Schedule destroy QP(0x%lx) work.\n", qpn);
-
- qp_work_entry->sche_cnt++;
-
- /* Query db process status, until hw process completely */
- ret = check_qp_db_process_status(hr_dev, hr_qp,
- qp_work_entry->sdb_issue_ptr,
- &qp_work_entry->sdb_inv_cnt,
- &qp_work_entry->db_wait_stage);
- if (ret) {
- dev_err(dev, "Check QP(0x%lx) db process status failed!\n",
- qpn);
- return;
- }
-
- if (qp_work_entry->db_wait_stage != HNS_ROCE_V1_DB_WAIT_OK &&
- priv->des_qp.requeue_flag) {
- queue_work(priv->des_qp.qp_wq, work);
- return;
- }
-
- /* Modify qp to reset before destroying qp */
- ret = hns_roce_v1_modify_qp(&hr_qp->ibqp, NULL, 0, hr_qp->state,
- IB_QPS_RESET);
- if (ret) {
- dev_err(dev, "Modify QP(0x%lx) to RST failed!\n", qpn);
- return;
- }
-
- hns_roce_qp_remove(hr_dev, hr_qp);
- hns_roce_qp_free(hr_dev, hr_qp);
-
- if (hr_qp->ibqp.qp_type == IB_QPT_RC) {
- /* RC QP, release QPN */
- hns_roce_release_range_qp(hr_dev, qpn, 1);
- kfree(hr_qp);
- } else
- kfree(hr_to_hr_sqp(hr_qp));
-
- kfree(qp_work_entry);
-
- dev_dbg(dev, "Accomplished destroy QP(0x%lx) work.\n", qpn);
-}
-
-int hns_roce_v1_destroy_qp(struct ib_qp *ibqp)
+int hns_roce_v1_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata)
{
struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device);
struct hns_roce_qp *hr_qp = to_hr_qp(ibqp);
- struct device *dev = &hr_dev->pdev->dev;
- struct hns_roce_qp_work qp_work_entry;
- struct hns_roce_qp_work *qp_work;
- struct hns_roce_v1_priv *priv;
struct hns_roce_cq *send_cq, *recv_cq;
- bool is_user = ibqp->uobject;
- int is_timeout = 0;
int ret;
- ret = check_qp_reset_state(hr_dev, hr_qp, &qp_work_entry, &is_timeout);
- if (ret) {
- dev_err(dev, "QP reset state check failed(%d)!\n", ret);
+ ret = hns_roce_v1_modify_qp(ibqp, NULL, 0, hr_qp->state, IB_QPS_RESET);
+ if (ret)
return ret;
- }
send_cq = to_hr_cq(hr_qp->ibqp.send_cq);
recv_cq = to_hr_cq(hr_qp->ibqp.recv_cq);
hns_roce_lock_cqs(send_cq, recv_cq);
- if (!is_user) {
+ if (!udata) {
__hns_roce_v1_cq_clean(recv_cq, hr_qp->qpn, hr_qp->ibqp.srq ?
to_hr_srq(hr_qp->ibqp.srq) : NULL);
if (send_cq != recv_cq)
}
hns_roce_unlock_cqs(send_cq, recv_cq);
- if (!is_timeout) {
- hns_roce_qp_remove(hr_dev, hr_qp);
- hns_roce_qp_free(hr_dev, hr_qp);
+ hns_roce_qp_remove(hr_dev, hr_qp);
+ hns_roce_qp_free(hr_dev, hr_qp);
- /* RC QP, release QPN */
- if (hr_qp->ibqp.qp_type == IB_QPT_RC)
- hns_roce_release_range_qp(hr_dev, hr_qp->qpn, 1);
- }
+ /* RC QP, release QPN */
+ if (hr_qp->ibqp.qp_type == IB_QPT_RC)
+ hns_roce_release_range_qp(hr_dev, hr_qp->qpn, 1);
hns_roce_mtt_cleanup(hr_dev, &hr_qp->mtt);
- if (is_user)
+ if (udata)
ib_umem_release(hr_qp->umem);
else {
kfree(hr_qp->sq.wrid);
hns_roce_buf_free(hr_dev, hr_qp->buff_size, &hr_qp->hr_buf);
}
- if (!is_timeout) {
- if (hr_qp->ibqp.qp_type == IB_QPT_RC)
- kfree(hr_qp);
- else
- kfree(hr_to_hr_sqp(hr_qp));
- } else {
- qp_work = kzalloc(sizeof(*qp_work), GFP_KERNEL);
- if (!qp_work)
- return -ENOMEM;
-
- INIT_WORK(&qp_work->work, hns_roce_v1_destroy_qp_work_fn);
- qp_work->ib_dev = &hr_dev->ib_dev;
- qp_work->qp = hr_qp;
- qp_work->db_wait_stage = qp_work_entry.db_wait_stage;
- qp_work->sdb_issue_ptr = qp_work_entry.sdb_issue_ptr;
- qp_work->sdb_inv_cnt = qp_work_entry.sdb_inv_cnt;
- qp_work->sche_cnt = qp_work_entry.sche_cnt;
-
- priv = (struct hns_roce_v1_priv *)hr_dev->priv;
- queue_work(priv->des_qp.qp_wq, &qp_work->work);
- dev_dbg(dev, "Begin destroy QP(0x%lx) work.\n", hr_qp->qpn);
- }
-
+ if (hr_qp->ibqp.qp_type == IB_QPT_RC)
+ kfree(hr_qp);
+ else
+ kfree(hr_to_hr_sqp(hr_qp));
return 0;
}
-static int hns_roce_v1_destroy_cq(struct ib_cq *ibcq)
+static int hns_roce_v1_destroy_cq(struct ib_cq *ibcq, struct ib_udata *udata)
{
struct hns_roce_dev *hr_dev = to_hr_dev(ibcq->device);
struct hns_roce_cq *hr_cq = to_hr_cq(ibcq);
#define HNS_ROCE_V1_EXT_ODB_ALFUL \
(HNS_ROCE_V1_EXT_ODB_DEPTH - HNS_ROCE_V1_DB_RSVD)
-#define HNS_ROCE_V1_DB_WAIT_OK 0
-#define HNS_ROCE_V1_DB_STAGE1 1
-#define HNS_ROCE_V1_DB_STAGE2 2
-#define HNS_ROCE_V1_CHECK_DB_TIMEOUT_MSECS 10000
-#define HNS_ROCE_V1_CHECK_DB_SLEEP_MSECS 20
#define HNS_ROCE_V1_FREE_MR_TIMEOUT_MSECS 50000
#define HNS_ROCE_V1_RECREATE_LP_QP_TIMEOUT_MSECS 10000
#define HNS_ROCE_V1_FREE_MR_WAIT_VALUE 5
#define SQ_PSN_SHIFT 8
#define QKEY_VAL 0x80010000
#define SDB_INV_CNT_OFFSET 8
-#define SDB_ST_CMP_VAL 8
#define HNS_ROCE_CEQ_DEFAULT_INTERVAL 0x10
#define HNS_ROCE_CEQ_DEFAULT_BURST_NUM 0x10
u32 sche_cnt;
};
-struct hns_roce_des_qp {
- struct workqueue_struct *qp_wq;
- int requeue_flag;
-};
-
struct hns_roce_mr_free_work {
struct work_struct work;
struct ib_device *ib_dev;
struct hns_roce_raq_table raq_table;
struct hns_roce_bt_table bt_table;
struct hns_roce_tptr_table tptr_table;
- struct hns_roce_des_qp des_qp;
struct hns_roce_free_mr free_mr;
};
int hns_dsaf_roce_reset(struct fwnode_handle *dsaf_fwnode, bool dereset);
int hns_roce_v1_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
-int hns_roce_v1_destroy_qp(struct ib_qp *ibqp);
+int hns_roce_v1_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata);
#endif
#include <linux/types.h>
#include <net/addrconf.h>
#include <rdma/ib_addr.h>
+#include <rdma/ib_cache.h>
#include <rdma/ib_umem.h>
+#include <rdma/uverbs_ioctl.h>
#include "hnae3.h"
#include "hns_roce_common.h"
return ret;
}
-int hns_roce_cmq_send(struct hns_roce_dev *hr_dev,
+static int hns_roce_cmq_send(struct hns_roce_dev *hr_dev,
struct hns_roce_cmq_desc *desc, int num)
{
int retval;
caps->qpc_hop_num = HNS_ROCE_CONTEXT_HOP_NUM;
caps->srqc_ba_pg_sz = 0;
caps->srqc_buf_pg_sz = 0;
- caps->srqc_hop_num = HNS_ROCE_HOP_NUM_0;
+ caps->srqc_hop_num = HNS_ROCE_CONTEXT_HOP_NUM;
caps->cqc_ba_pg_sz = 0;
caps->cqc_buf_pg_sz = 0;
caps->cqc_hop_num = HNS_ROCE_CONTEXT_HOP_NUM;
V2_MPT_BYTE_4_PD_S, mr->pd);
roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_RA_EN_S, 0);
- roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_R_INV_EN_S, 1);
+ roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_R_INV_EN_S, 0);
roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_L_INV_EN_S, 1);
roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_BIND_EN_S,
(mr->access & IB_ACCESS_MW_BIND ? 1 : 0));
roce_set_bit(qpc_mask->byte_28_at_fl, V2_QPC_BYTE_28_CNP_TX_FLAG_S, 0);
roce_set_bit(qpc_mask->byte_28_at_fl, V2_QPC_BYTE_28_CE_FLAG_S, 0);
- if (attr_mask & IB_QP_QKEY) {
- context->qkey_xrcd = attr->qkey;
- qpc_mask->qkey_xrcd = 0;
- hr_qp->qkey = attr->qkey;
- }
-
if (hr_qp->rdb_en) {
roce_set_bit(context->byte_68_rq_db,
V2_QPC_BYTE_68_RQ_RECORD_EN_S, 1);
0);
hr_qp->access_flags = attr->qp_access_flags;
- hr_qp->pkey_index = attr->pkey_index;
roce_set_field(context->byte_252_err_txcqn, V2_QPC_BYTE_252_TX_CQN_M,
V2_QPC_BYTE_252_TX_CQN_S, to_hr_cq(ibqp->send_cq)->cqn);
roce_set_field(qpc_mask->byte_252_err_txcqn, V2_QPC_BYTE_252_TX_CQN_M,
V2_QPC_BYTE_76_SRQN_M, V2_QPC_BYTE_76_SRQN_S, 0);
}
- if (attr_mask & IB_QP_QKEY) {
- context->qkey_xrcd = attr->qkey;
- qpc_mask->qkey_xrcd = 0;
- }
-
roce_set_field(context->byte_4_sqpn_tst, V2_QPC_BYTE_4_SQPN_M,
V2_QPC_BYTE_4_SQPN_S, hr_qp->qpn);
roce_set_field(qpc_mask->byte_4_sqpn_tst, V2_QPC_BYTE_4_SQPN_M,
V2_QPC_BYTE_16_WQE_SGE_BUF_PG_SZ_M,
V2_QPC_BYTE_16_WQE_SGE_BUF_PG_SZ_S, 0);
- roce_set_field(context->byte_80_rnr_rx_cqn,
- V2_QPC_BYTE_80_MIN_RNR_TIME_M,
- V2_QPC_BYTE_80_MIN_RNR_TIME_S, attr->min_rnr_timer);
- roce_set_field(qpc_mask->byte_80_rnr_rx_cqn,
- V2_QPC_BYTE_80_MIN_RNR_TIME_M,
- V2_QPC_BYTE_80_MIN_RNR_TIME_S, 0);
-
page_size = 1 << (hr_dev->caps.mtt_buf_pg_sz + PAGE_SHIFT);
context->rq_cur_blk_addr = (u32)(mtts[hr_qp->rq.offset / page_size]
>> PAGE_ADDR_SHIFT);
V2_QPC_BYTE_104_RQ_NXT_BLK_ADDR_M,
V2_QPC_BYTE_104_RQ_NXT_BLK_ADDR_S, 0);
- roce_set_field(context->byte_108_rx_reqepsn,
- V2_QPC_BYTE_108_RX_REQ_EPSN_M,
- V2_QPC_BYTE_108_RX_REQ_EPSN_S, attr->rq_psn);
- roce_set_field(qpc_mask->byte_108_rx_reqepsn,
- V2_QPC_BYTE_108_RX_REQ_EPSN_M,
- V2_QPC_BYTE_108_RX_REQ_EPSN_S, 0);
-
roce_set_field(context->byte_132_trrl, V2_QPC_BYTE_132_TRRL_BA_M,
V2_QPC_BYTE_132_TRRL_BA_S, dma_handle_3 >> 4);
roce_set_field(qpc_mask->byte_132_trrl, V2_QPC_BYTE_132_TRRL_BA_M,
roce_set_bit(qpc_mask->byte_28_at_fl, V2_QPC_BYTE_28_LBI_S, 0);
}
- if ((attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) &&
- attr->max_dest_rd_atomic) {
- roce_set_field(context->byte_140_raq, V2_QPC_BYTE_140_RR_MAX_M,
- V2_QPC_BYTE_140_RR_MAX_S,
- fls(attr->max_dest_rd_atomic - 1));
- roce_set_field(qpc_mask->byte_140_raq, V2_QPC_BYTE_140_RR_MAX_M,
- V2_QPC_BYTE_140_RR_MAX_S, 0);
- }
-
if (attr_mask & IB_QP_DEST_QPN) {
roce_set_field(context->byte_56_dqpn_err, V2_QPC_BYTE_56_DQPN_M,
V2_QPC_BYTE_56_DQPN_S, attr->dest_qp_num);
context->rq_rnr_timer = 0;
qpc_mask->rq_rnr_timer = 0;
- roce_set_field(context->byte_152_raq, V2_QPC_BYTE_152_RAQ_PSN_M,
- V2_QPC_BYTE_152_RAQ_PSN_S, attr->rq_psn - 1);
- roce_set_field(qpc_mask->byte_152_raq, V2_QPC_BYTE_152_RAQ_PSN_M,
- V2_QPC_BYTE_152_RAQ_PSN_S, 0);
-
roce_set_field(qpc_mask->byte_132_trrl, V2_QPC_BYTE_132_TRRL_HEAD_MAX_M,
V2_QPC_BYTE_132_TRRL_HEAD_MAX_S, 0);
roce_set_field(qpc_mask->byte_132_trrl, V2_QPC_BYTE_132_TRRL_TAIL_MAX_M,
V2_QPC_BYTE_240_RX_ACK_MSN_M,
V2_QPC_BYTE_240_RX_ACK_MSN_S, 0);
- roce_set_field(context->byte_244_rnr_rxack,
- V2_QPC_BYTE_244_RX_ACK_EPSN_M,
- V2_QPC_BYTE_244_RX_ACK_EPSN_S, attr->sq_psn);
- roce_set_field(qpc_mask->byte_244_rnr_rxack,
- V2_QPC_BYTE_244_RX_ACK_EPSN_M,
- V2_QPC_BYTE_244_RX_ACK_EPSN_S, 0);
-
roce_set_field(qpc_mask->byte_248_ack_psn,
V2_QPC_BYTE_248_ACK_LAST_OPTYPE_M,
V2_QPC_BYTE_248_ACK_LAST_OPTYPE_S, 0);
V2_QPC_BYTE_240_IRRL_TAIL_REAL_M,
V2_QPC_BYTE_240_IRRL_TAIL_REAL_S, 0);
- roce_set_field(context->byte_220_retry_psn_msn,
- V2_QPC_BYTE_220_RETRY_MSG_PSN_M,
- V2_QPC_BYTE_220_RETRY_MSG_PSN_S, attr->sq_psn);
- roce_set_field(qpc_mask->byte_220_retry_psn_msn,
- V2_QPC_BYTE_220_RETRY_MSG_PSN_M,
- V2_QPC_BYTE_220_RETRY_MSG_PSN_S, 0);
-
- roce_set_field(context->byte_224_retry_msg,
- V2_QPC_BYTE_224_RETRY_MSG_PSN_M,
- V2_QPC_BYTE_224_RETRY_MSG_PSN_S, attr->sq_psn >> 16);
- roce_set_field(qpc_mask->byte_224_retry_msg,
- V2_QPC_BYTE_224_RETRY_MSG_PSN_M,
- V2_QPC_BYTE_224_RETRY_MSG_PSN_S, 0);
-
- roce_set_field(context->byte_224_retry_msg,
- V2_QPC_BYTE_224_RETRY_MSG_FPKT_PSN_M,
- V2_QPC_BYTE_224_RETRY_MSG_FPKT_PSN_S, attr->sq_psn);
- roce_set_field(qpc_mask->byte_224_retry_msg,
- V2_QPC_BYTE_224_RETRY_MSG_FPKT_PSN_M,
- V2_QPC_BYTE_224_RETRY_MSG_FPKT_PSN_S, 0);
-
roce_set_field(qpc_mask->byte_220_retry_psn_msn,
V2_QPC_BYTE_220_RETRY_MSG_MSN_M,
V2_QPC_BYTE_220_RETRY_MSG_MSN_S, 0);
roce_set_field(qpc_mask->byte_212_lsn, V2_QPC_BYTE_212_CHECK_FLG_M,
V2_QPC_BYTE_212_CHECK_FLG_S, 0);
- roce_set_field(context->byte_212_lsn, V2_QPC_BYTE_212_RETRY_CNT_M,
- V2_QPC_BYTE_212_RETRY_CNT_S, attr->retry_cnt);
- roce_set_field(qpc_mask->byte_212_lsn, V2_QPC_BYTE_212_RETRY_CNT_M,
- V2_QPC_BYTE_212_RETRY_CNT_S, 0);
-
- roce_set_field(context->byte_212_lsn, V2_QPC_BYTE_212_RETRY_NUM_INIT_M,
- V2_QPC_BYTE_212_RETRY_NUM_INIT_S, attr->retry_cnt);
- roce_set_field(qpc_mask->byte_212_lsn, V2_QPC_BYTE_212_RETRY_NUM_INIT_M,
- V2_QPC_BYTE_212_RETRY_NUM_INIT_S, 0);
-
- roce_set_field(context->byte_244_rnr_rxack,
- V2_QPC_BYTE_244_RNR_NUM_INIT_M,
- V2_QPC_BYTE_244_RNR_NUM_INIT_S, attr->rnr_retry);
- roce_set_field(qpc_mask->byte_244_rnr_rxack,
- V2_QPC_BYTE_244_RNR_NUM_INIT_M,
- V2_QPC_BYTE_244_RNR_NUM_INIT_S, 0);
-
- roce_set_field(context->byte_244_rnr_rxack, V2_QPC_BYTE_244_RNR_CNT_M,
- V2_QPC_BYTE_244_RNR_CNT_S, attr->rnr_retry);
- roce_set_field(qpc_mask->byte_244_rnr_rxack, V2_QPC_BYTE_244_RNR_CNT_M,
- V2_QPC_BYTE_244_RNR_CNT_S, 0);
-
roce_set_field(context->byte_212_lsn, V2_QPC_BYTE_212_LSN_M,
V2_QPC_BYTE_212_LSN_S, 0x100);
roce_set_field(qpc_mask->byte_212_lsn, V2_QPC_BYTE_212_LSN_M,
V2_QPC_BYTE_212_LSN_S, 0);
- if (attr_mask & IB_QP_TIMEOUT) {
- if (attr->timeout < 31) {
- roce_set_field(context->byte_28_at_fl,
- V2_QPC_BYTE_28_AT_M, V2_QPC_BYTE_28_AT_S,
- attr->timeout);
- roce_set_field(qpc_mask->byte_28_at_fl,
- V2_QPC_BYTE_28_AT_M, V2_QPC_BYTE_28_AT_S,
- 0);
- } else {
- dev_warn(dev, "Local ACK timeout shall be 0 to 30.\n");
- }
- }
-
- roce_set_field(context->byte_172_sq_psn, V2_QPC_BYTE_172_SQ_CUR_PSN_M,
- V2_QPC_BYTE_172_SQ_CUR_PSN_S, attr->sq_psn);
- roce_set_field(qpc_mask->byte_172_sq_psn, V2_QPC_BYTE_172_SQ_CUR_PSN_M,
- V2_QPC_BYTE_172_SQ_CUR_PSN_S, 0);
-
roce_set_field(qpc_mask->byte_196_sq_psn, V2_QPC_BYTE_196_IRRL_HEAD_M,
V2_QPC_BYTE_196_IRRL_HEAD_S, 0);
- roce_set_field(context->byte_196_sq_psn, V2_QPC_BYTE_196_SQ_MAX_PSN_M,
- V2_QPC_BYTE_196_SQ_MAX_PSN_S, attr->sq_psn);
- roce_set_field(qpc_mask->byte_196_sq_psn, V2_QPC_BYTE_196_SQ_MAX_PSN_M,
- V2_QPC_BYTE_196_SQ_MAX_PSN_S, 0);
- if ((attr_mask & IB_QP_MAX_QP_RD_ATOMIC) && attr->max_rd_atomic) {
- roce_set_field(context->byte_208_irrl, V2_QPC_BYTE_208_SR_MAX_M,
- V2_QPC_BYTE_208_SR_MAX_S,
- fls(attr->max_rd_atomic - 1));
- roce_set_field(qpc_mask->byte_208_irrl,
- V2_QPC_BYTE_208_SR_MAX_M,
- V2_QPC_BYTE_208_SR_MAX_S, 0);
- }
return 0;
}
const struct ib_global_route *grh =
rdma_ah_read_grh(&attr->ah_attr);
const struct ib_gid_attr *gid_attr = NULL;
- u8 src_mac[ETH_ALEN];
int is_roce_protocol;
u16 vlan = 0xffff;
u8 ib_port;
if (is_roce_protocol) {
gid_attr = attr->ah_attr.grh.sgid_attr;
- vlan = rdma_vlan_dev_vlan_id(gid_attr->ndev);
- memcpy(src_mac, gid_attr->ndev->dev_addr, ETH_ALEN);
+ ret = rdma_read_gid_l2_fields(gid_attr, &vlan, NULL);
+ if (ret)
+ goto out;
}
- if (is_vlan_dev(gid_attr->ndev)) {
+ if (vlan < VLAN_CFI_MASK) {
roce_set_bit(context->byte_76_srqn_op_en,
V2_QPC_BYTE_76_RQ_VLAN_EN_S, 1);
roce_set_bit(qpc_mask->byte_76_srqn_op_en,
hr_qp->sl = rdma_ah_get_sl(&attr->ah_attr);
}
+ if (attr_mask & IB_QP_TIMEOUT) {
+ if (attr->timeout < 31) {
+ roce_set_field(context->byte_28_at_fl,
+ V2_QPC_BYTE_28_AT_M, V2_QPC_BYTE_28_AT_S,
+ attr->timeout);
+ roce_set_field(qpc_mask->byte_28_at_fl,
+ V2_QPC_BYTE_28_AT_M, V2_QPC_BYTE_28_AT_S,
+ 0);
+ } else {
+ dev_warn(dev, "Local ACK timeout shall be 0 to 30.\n");
+ }
+ }
+
+ if (attr_mask & IB_QP_RETRY_CNT) {
+ roce_set_field(context->byte_212_lsn,
+ V2_QPC_BYTE_212_RETRY_NUM_INIT_M,
+ V2_QPC_BYTE_212_RETRY_NUM_INIT_S,
+ attr->retry_cnt);
+ roce_set_field(qpc_mask->byte_212_lsn,
+ V2_QPC_BYTE_212_RETRY_NUM_INIT_M,
+ V2_QPC_BYTE_212_RETRY_NUM_INIT_S, 0);
+
+ roce_set_field(context->byte_212_lsn,
+ V2_QPC_BYTE_212_RETRY_CNT_M,
+ V2_QPC_BYTE_212_RETRY_CNT_S,
+ attr->retry_cnt);
+ roce_set_field(qpc_mask->byte_212_lsn,
+ V2_QPC_BYTE_212_RETRY_CNT_M,
+ V2_QPC_BYTE_212_RETRY_CNT_S, 0);
+ }
+
+ if (attr_mask & IB_QP_RNR_RETRY) {
+ roce_set_field(context->byte_244_rnr_rxack,
+ V2_QPC_BYTE_244_RNR_NUM_INIT_M,
+ V2_QPC_BYTE_244_RNR_NUM_INIT_S, attr->rnr_retry);
+ roce_set_field(qpc_mask->byte_244_rnr_rxack,
+ V2_QPC_BYTE_244_RNR_NUM_INIT_M,
+ V2_QPC_BYTE_244_RNR_NUM_INIT_S, 0);
+
+ roce_set_field(context->byte_244_rnr_rxack,
+ V2_QPC_BYTE_244_RNR_CNT_M,
+ V2_QPC_BYTE_244_RNR_CNT_S, attr->rnr_retry);
+ roce_set_field(qpc_mask->byte_244_rnr_rxack,
+ V2_QPC_BYTE_244_RNR_CNT_M,
+ V2_QPC_BYTE_244_RNR_CNT_S, 0);
+ }
+
+ if (attr_mask & IB_QP_SQ_PSN) {
+ roce_set_field(context->byte_172_sq_psn,
+ V2_QPC_BYTE_172_SQ_CUR_PSN_M,
+ V2_QPC_BYTE_172_SQ_CUR_PSN_S, attr->sq_psn);
+ roce_set_field(qpc_mask->byte_172_sq_psn,
+ V2_QPC_BYTE_172_SQ_CUR_PSN_M,
+ V2_QPC_BYTE_172_SQ_CUR_PSN_S, 0);
+
+ roce_set_field(context->byte_196_sq_psn,
+ V2_QPC_BYTE_196_SQ_MAX_PSN_M,
+ V2_QPC_BYTE_196_SQ_MAX_PSN_S, attr->sq_psn);
+ roce_set_field(qpc_mask->byte_196_sq_psn,
+ V2_QPC_BYTE_196_SQ_MAX_PSN_M,
+ V2_QPC_BYTE_196_SQ_MAX_PSN_S, 0);
+
+ roce_set_field(context->byte_220_retry_psn_msn,
+ V2_QPC_BYTE_220_RETRY_MSG_PSN_M,
+ V2_QPC_BYTE_220_RETRY_MSG_PSN_S, attr->sq_psn);
+ roce_set_field(qpc_mask->byte_220_retry_psn_msn,
+ V2_QPC_BYTE_220_RETRY_MSG_PSN_M,
+ V2_QPC_BYTE_220_RETRY_MSG_PSN_S, 0);
+
+ roce_set_field(context->byte_224_retry_msg,
+ V2_QPC_BYTE_224_RETRY_MSG_PSN_M,
+ V2_QPC_BYTE_224_RETRY_MSG_PSN_S,
+ attr->sq_psn >> 16);
+ roce_set_field(qpc_mask->byte_224_retry_msg,
+ V2_QPC_BYTE_224_RETRY_MSG_PSN_M,
+ V2_QPC_BYTE_224_RETRY_MSG_PSN_S, 0);
+
+ roce_set_field(context->byte_224_retry_msg,
+ V2_QPC_BYTE_224_RETRY_MSG_FPKT_PSN_M,
+ V2_QPC_BYTE_224_RETRY_MSG_FPKT_PSN_S,
+ attr->sq_psn);
+ roce_set_field(qpc_mask->byte_224_retry_msg,
+ V2_QPC_BYTE_224_RETRY_MSG_FPKT_PSN_M,
+ V2_QPC_BYTE_224_RETRY_MSG_FPKT_PSN_S, 0);
+
+ roce_set_field(context->byte_244_rnr_rxack,
+ V2_QPC_BYTE_244_RX_ACK_EPSN_M,
+ V2_QPC_BYTE_244_RX_ACK_EPSN_S, attr->sq_psn);
+ roce_set_field(qpc_mask->byte_244_rnr_rxack,
+ V2_QPC_BYTE_244_RX_ACK_EPSN_M,
+ V2_QPC_BYTE_244_RX_ACK_EPSN_S, 0);
+ }
+
+ if ((attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) &&
+ attr->max_dest_rd_atomic) {
+ roce_set_field(context->byte_140_raq, V2_QPC_BYTE_140_RR_MAX_M,
+ V2_QPC_BYTE_140_RR_MAX_S,
+ fls(attr->max_dest_rd_atomic - 1));
+ roce_set_field(qpc_mask->byte_140_raq, V2_QPC_BYTE_140_RR_MAX_M,
+ V2_QPC_BYTE_140_RR_MAX_S, 0);
+ }
+
+ if ((attr_mask & IB_QP_MAX_QP_RD_ATOMIC) && attr->max_rd_atomic) {
+ roce_set_field(context->byte_208_irrl, V2_QPC_BYTE_208_SR_MAX_M,
+ V2_QPC_BYTE_208_SR_MAX_S,
+ fls(attr->max_rd_atomic - 1));
+ roce_set_field(qpc_mask->byte_208_irrl,
+ V2_QPC_BYTE_208_SR_MAX_M,
+ V2_QPC_BYTE_208_SR_MAX_S, 0);
+ }
+
if (attr_mask & (IB_QP_ACCESS_FLAGS | IB_QP_MAX_DEST_RD_ATOMIC))
set_access_flags(hr_qp, context, qpc_mask, attr, attr_mask);
+ if (attr_mask & IB_QP_MIN_RNR_TIMER) {
+ roce_set_field(context->byte_80_rnr_rx_cqn,
+ V2_QPC_BYTE_80_MIN_RNR_TIME_M,
+ V2_QPC_BYTE_80_MIN_RNR_TIME_S,
+ attr->min_rnr_timer);
+ roce_set_field(qpc_mask->byte_80_rnr_rx_cqn,
+ V2_QPC_BYTE_80_MIN_RNR_TIME_M,
+ V2_QPC_BYTE_80_MIN_RNR_TIME_S, 0);
+ }
+
+ /* RC&UC required attr */
+ if (attr_mask & IB_QP_RQ_PSN) {
+ roce_set_field(context->byte_108_rx_reqepsn,
+ V2_QPC_BYTE_108_RX_REQ_EPSN_M,
+ V2_QPC_BYTE_108_RX_REQ_EPSN_S, attr->rq_psn);
+ roce_set_field(qpc_mask->byte_108_rx_reqepsn,
+ V2_QPC_BYTE_108_RX_REQ_EPSN_M,
+ V2_QPC_BYTE_108_RX_REQ_EPSN_S, 0);
+
+ roce_set_field(context->byte_152_raq, V2_QPC_BYTE_152_RAQ_PSN_M,
+ V2_QPC_BYTE_152_RAQ_PSN_S, attr->rq_psn - 1);
+ roce_set_field(qpc_mask->byte_152_raq,
+ V2_QPC_BYTE_152_RAQ_PSN_M,
+ V2_QPC_BYTE_152_RAQ_PSN_S, 0);
+ }
+
+ if (attr_mask & IB_QP_QKEY) {
+ context->qkey_xrcd = attr->qkey;
+ qpc_mask->qkey_xrcd = 0;
+ hr_qp->qkey = attr->qkey;
+ }
+
roce_set_bit(context->byte_108_rx_reqepsn, V2_QPC_BYTE_108_INV_CREDIT_S,
ibqp->srq ? 1 : 0);
roce_set_bit(qpc_mask->byte_108_rx_reqepsn,
static int hns_roce_v2_destroy_qp_common(struct hns_roce_dev *hr_dev,
struct hns_roce_qp *hr_qp,
- bool is_user)
+ struct ib_udata *udata)
{
struct hns_roce_cq *send_cq, *recv_cq;
struct device *dev = hr_dev->dev;
hns_roce_lock_cqs(send_cq, recv_cq);
- if (!is_user) {
+ if (!udata) {
__hns_roce_v2_cq_clean(recv_cq, hr_qp->qpn, hr_qp->ibqp.srq ?
to_hr_srq(hr_qp->ibqp.srq) : NULL);
if (send_cq != recv_cq)
hns_roce_mtt_cleanup(hr_dev, &hr_qp->mtt);
- if (is_user) {
+ if (udata) {
+ struct hns_roce_ucontext *context =
+ rdma_udata_to_drv_context(
+ udata,
+ struct hns_roce_ucontext,
+ ibucontext);
+
if (hr_qp->sq.wqe_cnt && (hr_qp->sdb_en == 1))
- hns_roce_db_unmap_user(
- to_hr_ucontext(hr_qp->ibqp.uobject->context),
- &hr_qp->sdb);
+ hns_roce_db_unmap_user(context, &hr_qp->sdb);
if (hr_qp->rq.wqe_cnt && (hr_qp->rdb_en == 1))
- hns_roce_db_unmap_user(
- to_hr_ucontext(hr_qp->ibqp.uobject->context),
- &hr_qp->rdb);
+ hns_roce_db_unmap_user(context, &hr_qp->rdb);
ib_umem_release(hr_qp->umem);
} else {
kfree(hr_qp->sq.wrid);
return 0;
}
-static int hns_roce_v2_destroy_qp(struct ib_qp *ibqp)
+static int hns_roce_v2_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata)
{
struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device);
struct hns_roce_qp *hr_qp = to_hr_qp(ibqp);
int ret;
- ret = hns_roce_v2_destroy_qp_common(hr_dev, hr_qp, ibqp->uobject);
+ ret = hns_roce_v2_destroy_qp_common(hr_dev, hr_qp, udata);
if (ret) {
dev_err(hr_dev->dev, "Destroy qp failed(%d)\n", ret);
return ret;
return ret;
}
+static const struct hns_roce_dfx_hw hns_roce_dfx_hw_v2 = {
+ .query_cqc_info = hns_roce_v2_query_cqc_info,
+};
+
static const struct ib_device_ops hns_roce_v2_dev_ops = {
.destroy_qp = hns_roce_v2_destroy_qp,
.modify_cq = hns_roce_v2_modify_cq,
struct hnae3_handle *handle)
{
struct hns_roce_v2_priv *priv = hr_dev->priv;
- const struct pci_device_id *id;
int i;
- id = pci_match_id(hns_roce_hw_v2_pci_tbl, hr_dev->pci_dev);
- if (!id) {
- dev_err(hr_dev->dev, "device is not compatible!\n");
- return -ENXIO;
- }
-
hr_dev->hw = &hns_roce_hw_v2;
+ hr_dev->dfx = &hns_roce_dfx_hw_v2;
hr_dev->sdb_offset = ROCEE_DB_SQ_L_0_REG;
hr_dev->odb_offset = hr_dev->sdb_offset;
static int hns_roce_hw_v2_init_instance(struct hnae3_handle *handle)
{
const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
+ const struct pci_device_id *id;
struct device *dev = &handle->pdev->dev;
int ret;
goto reset_chk_err;
}
+ id = pci_match_id(hns_roce_hw_v2_pci_tbl, handle->pdev);
+ if (!id)
+ return 0;
+
ret = __hns_roce_hw_v2_init_instance(handle);
if (ret) {
handle->rinfo.instance_state = HNS_ROCE_STATE_NON_INIT;
#define V2_QPC_BYTE_148_RAQ_SYNDROME_S 24
#define V2_QPC_BYTE_148_RAQ_SYNDROME_M GENMASK(31, 24)
-#define V2_QPC_BYTE_152_RAQ_PSN_S 8
-#define V2_QPC_BYTE_152_RAQ_PSN_M GENMASK(31, 8)
+#define V2_QPC_BYTE_152_RAQ_PSN_S 0
+#define V2_QPC_BYTE_152_RAQ_PSN_M GENMASK(23, 0)
#define V2_QPC_BYTE_152_RAQ_TRRL_RTY_HEAD_S 24
#define V2_QPC_BYTE_152_RAQ_TRRL_RTY_HEAD_M GENMASK(31, 24)
__le32 rsv[5];
};
+int hns_roce_v2_query_cqc_info(struct hns_roce_dev *hr_dev, u32 cqn,
+ int *buffer);
+
static inline void hns_roce_write64(struct hns_roce_dev *hr_dev, __le32 val[2],
void __iomem *dest)
{
--- /dev/null
+// SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+// Copyright (c) 2019 Hisilicon Limited.
+
+#include "hnae3.h"
+#include "hns_roce_device.h"
+#include "hns_roce_cmd.h"
+#include "hns_roce_hw_v2.h"
+
+int hns_roce_v2_query_cqc_info(struct hns_roce_dev *hr_dev, u32 cqn,
+ int *buffer)
+{
+ struct hns_roce_v2_cq_context *cq_context;
+ struct hns_roce_cmd_mailbox *mailbox;
+ int ret;
+
+ mailbox = hns_roce_alloc_cmd_mailbox(hr_dev);
+ if (IS_ERR(mailbox))
+ return PTR_ERR(mailbox);
+
+ cq_context = mailbox->buf;
+ ret = hns_roce_cmd_mbox(hr_dev, 0, mailbox->dma, cqn, 0,
+ HNS_ROCE_CMD_QUERY_CQC,
+ HNS_ROCE_CMD_TIMEOUT_MSECS);
+ if (ret) {
+ dev_err(hr_dev->dev, "QUERY cqc cmd process error\n");
+ goto err_mailbox;
+ }
+
+ memcpy(buffer, cq_context, sizeof(*cq_context));
+
+err_mailbox:
+ hns_roce_free_cmd_mailbox(hr_dev, mailbox);
+
+ return ret;
+}
return 0;
}
-static struct net_device *hns_roce_get_netdev(struct ib_device *ib_dev,
- u8 port_num)
-{
- struct hns_roce_dev *hr_dev = to_hr_dev(ib_dev);
- struct net_device *ndev;
-
- if (port_num < 1 || port_num > hr_dev->caps.num_ports)
- return NULL;
-
- rcu_read_lock();
-
- ndev = hr_dev->iboe.netdevs[port_num - 1];
- if (ndev)
- dev_hold(ndev);
-
- rcu_read_unlock();
- return ndev;
-}
-
static int hns_roce_query_port(struct ib_device *ib_dev, u8 port_num,
struct ib_port_attr *props)
{
.destroy_ah = hns_roce_destroy_ah,
.destroy_cq = hns_roce_ib_destroy_cq,
.disassociate_ucontext = hns_roce_disassociate_ucontext,
+ .fill_res_entry = hns_roce_fill_res_entry,
.get_dma_mr = hns_roce_get_dma_mr,
.get_link_layer = hns_roce_get_link_layer,
- .get_netdev = hns_roce_get_netdev,
.get_port_immutable = hns_roce_port_immutable,
.mmap = hns_roce_mmap,
.modify_device = hns_roce_modify_device,
.query_pkey = hns_roce_query_pkey,
.query_port = hns_roce_query_port,
.reg_user_mr = hns_roce_reg_user_mr,
+
+ INIT_RDMA_OBJ_SIZE(ib_ah, hns_roce_ah, ibah),
INIT_RDMA_OBJ_SIZE(ib_pd, hns_roce_pd, ibpd),
INIT_RDMA_OBJ_SIZE(ib_ucontext, hns_roce_ucontext, ibucontext),
};
static const struct ib_device_ops hns_roce_dev_srq_ops = {
.create_srq = hns_roce_create_srq,
.destroy_srq = hns_roce_destroy_srq,
+
+ INIT_RDMA_OBJ_SIZE(ib_srq, hns_roce_srq, ibsrq),
};
static int hns_roce_register_device(struct hns_roce_dev *hr_dev)
struct hns_roce_ib_iboe *iboe = NULL;
struct ib_device *ib_dev = NULL;
struct device *dev = hr_dev->dev;
+ unsigned int i;
iboe = &hr_dev->iboe;
spin_lock_init(&iboe->lock);
ib_dev->driver_id = RDMA_DRIVER_HNS;
ib_set_device_ops(ib_dev, hr_dev->hw->hns_roce_dev_ops);
ib_set_device_ops(ib_dev, &hns_roce_dev_ops);
+ for (i = 0; i < hr_dev->caps.num_ports; i++) {
+ if (!hr_dev->iboe.netdevs[i])
+ continue;
+
+ ret = ib_device_set_netdev(ib_dev, hr_dev->iboe.netdevs[i],
+ i + 1);
+ if (ret)
+ return ret;
+ }
ret = ib_register_device(ib_dev, "hns_%d");
if (ret) {
dev_err(dev, "ib_register_device failed!\n");
return ret;
}
-int hns_roce_dereg_mr(struct ib_mr *ibmr)
+int hns_roce_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata)
{
struct hns_roce_dev *hr_dev = to_hr_dev(ibmr->device);
struct hns_roce_mr *mr = to_hr_mr(ibmr);
int ret = 0;
if (hr_dev->hw->dereg_mr) {
- ret = hr_dev->hw->dereg_mr(hr_dev, mr);
+ ret = hr_dev->hw->dereg_mr(hr_dev, mr, udata);
} else {
hns_roce_mr_free(hr_dev, mr);
}
struct ib_mr *hns_roce_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,
- u32 max_num_sg)
+ u32 max_num_sg, struct ib_udata *udata)
{
struct hns_roce_dev *hr_dev = to_hr_dev(pd->device);
struct device *dev = hr_dev->dev;
hns_roce_bitmap_cleanup(&hr_dev->pd_bitmap);
}
-int hns_roce_alloc_pd(struct ib_pd *ibpd, struct ib_ucontext *context,
- struct ib_udata *udata)
+int hns_roce_alloc_pd(struct ib_pd *ibpd, struct ib_udata *udata)
{
struct ib_device *ib_dev = ibpd->device;
struct hns_roce_dev *hr_dev = to_hr_dev(ib_dev);
return ret;
}
- if (context) {
+ if (udata) {
struct hns_roce_ib_alloc_pd_resp uresp = {.pdn = pd->pdn};
if (ib_copy_to_udata(udata, &uresp, sizeof(uresp))) {
}
EXPORT_SYMBOL_GPL(hns_roce_alloc_pd);
-void hns_roce_dealloc_pd(struct ib_pd *pd)
+void hns_roce_dealloc_pd(struct ib_pd *pd, struct ib_udata *udata)
{
hns_roce_pd_free(to_hr_dev(pd->device), to_hr_pd(pd)->pdn);
}
void hns_roce_qp_event(struct hns_roce_dev *hr_dev, u32 qpn, int event_type)
{
- struct hns_roce_qp_table *qp_table = &hr_dev->qp_table;
struct device *dev = hr_dev->dev;
struct hns_roce_qp *qp;
- spin_lock(&qp_table->lock);
-
+ xa_lock(&hr_dev->qp_table_xa);
qp = __hns_roce_qp_lookup(hr_dev, qpn);
if (qp)
atomic_inc(&qp->refcount);
-
- spin_unlock(&qp_table->lock);
+ xa_unlock(&hr_dev->qp_table_xa);
if (!qp) {
dev_warn(dev, "Async event for bogus QP %08x\n", qpn);
static int hns_roce_gsi_qp_alloc(struct hns_roce_dev *hr_dev, unsigned long qpn,
struct hns_roce_qp *hr_qp)
{
- struct hns_roce_qp_table *qp_table = &hr_dev->qp_table;
+ struct xarray *xa = &hr_dev->qp_table_xa;
int ret;
if (!qpn)
return -EINVAL;
hr_qp->qpn = qpn;
-
- spin_lock_irq(&qp_table->lock);
- ret = radix_tree_insert(&hr_dev->qp_table_tree,
- hr_qp->qpn & (hr_dev->caps.num_qps - 1), hr_qp);
- spin_unlock_irq(&qp_table->lock);
- if (ret) {
- dev_err(hr_dev->dev, "QPC radix_tree_insert failed\n");
- goto err_put_irrl;
- }
-
atomic_set(&hr_qp->refcount, 1);
init_completion(&hr_qp->free);
- return 0;
-
-err_put_irrl:
+ ret = xa_err(xa_store_irq(xa, hr_qp->qpn & (hr_dev->caps.num_qps - 1),
+ hr_qp, GFP_KERNEL));
+ if (ret)
+ dev_err(hr_dev->dev, "QPC xa_store failed\n");
return ret;
}
}
}
- spin_lock_irq(&qp_table->lock);
- ret = radix_tree_insert(&hr_dev->qp_table_tree,
- hr_qp->qpn & (hr_dev->caps.num_qps - 1), hr_qp);
- spin_unlock_irq(&qp_table->lock);
- if (ret) {
- dev_err(dev, "QPC radix_tree_insert failed\n");
+ ret = hns_roce_gsi_qp_alloc(hr_dev, qpn, hr_qp);
+ if (ret)
goto err_put_sccc;
- }
-
- atomic_set(&hr_qp->refcount, 1);
- init_completion(&hr_qp->free);
return 0;
void hns_roce_qp_remove(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp)
{
- struct hns_roce_qp_table *qp_table = &hr_dev->qp_table;
+ struct xarray *xa = &hr_dev->qp_table_xa;
unsigned long flags;
- spin_lock_irqsave(&qp_table->lock, flags);
- radix_tree_delete(&hr_dev->qp_table_tree,
- hr_qp->qpn & (hr_dev->caps.num_qps - 1));
- spin_unlock_irqrestore(&qp_table->lock, flags);
+ xa_lock_irqsave(xa, flags);
+ __xa_erase(xa, hr_qp->qpn & (hr_dev->caps.num_qps - 1));
+ xa_unlock_irqrestore(xa, flags);
}
EXPORT_SYMBOL_GPL(hns_roce_qp_remove);
int ret;
mutex_init(&qp_table->scc_mutex);
- spin_lock_init(&qp_table->lock);
- INIT_RADIX_TREE(&hr_dev->qp_table_tree, GFP_ATOMIC);
+ xa_init(&hr_dev->qp_table_xa);
/* In hw v1, a port include two SQP, six ports total 12 */
if (hr_dev->caps.max_sq_sg <= 2)
--- /dev/null
+// SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+// Copyright (c) 2019 Hisilicon Limited.
+
+#include <rdma/rdma_cm.h>
+#include <rdma/restrack.h>
+#include <uapi/rdma/rdma_netlink.h>
+#include "hnae3.h"
+#include "hns_roce_common.h"
+#include "hns_roce_device.h"
+#include "hns_roce_hw_v2.h"
+
+static int hns_roce_fill_cq(struct sk_buff *msg,
+ struct hns_roce_v2_cq_context *context)
+{
+ if (rdma_nl_put_driver_u32(msg, "state",
+ roce_get_field(context->byte_4_pg_ceqn,
+ V2_CQC_BYTE_4_ARM_ST_M,
+ V2_CQC_BYTE_4_ARM_ST_S)))
+ goto err;
+
+ if (rdma_nl_put_driver_u32(msg, "ceqn",
+ roce_get_field(context->byte_4_pg_ceqn,
+ V2_CQC_BYTE_4_CEQN_M,
+ V2_CQC_BYTE_4_CEQN_S)))
+ goto err;
+
+ if (rdma_nl_put_driver_u32(msg, "cqn",
+ roce_get_field(context->byte_8_cqn,
+ V2_CQC_BYTE_8_CQN_M,
+ V2_CQC_BYTE_8_CQN_S)))
+ goto err;
+
+ if (rdma_nl_put_driver_u32(msg, "hopnum",
+ roce_get_field(context->byte_16_hop_addr,
+ V2_CQC_BYTE_16_CQE_HOP_NUM_M,
+ V2_CQC_BYTE_16_CQE_HOP_NUM_S)))
+ goto err;
+
+ if (rdma_nl_put_driver_u32(
+ msg, "pi",
+ roce_get_field(context->byte_28_cq_pi,
+ V2_CQC_BYTE_28_CQ_PRODUCER_IDX_M,
+ V2_CQC_BYTE_28_CQ_PRODUCER_IDX_S)))
+ goto err;
+
+ if (rdma_nl_put_driver_u32(
+ msg, "ci",
+ roce_get_field(context->byte_32_cq_ci,
+ V2_CQC_BYTE_32_CQ_CONSUMER_IDX_M,
+ V2_CQC_BYTE_32_CQ_CONSUMER_IDX_S)))
+ goto err;
+
+ if (rdma_nl_put_driver_u32(
+ msg, "coalesce",
+ roce_get_field(context->byte_56_cqe_period_maxcnt,
+ V2_CQC_BYTE_56_CQ_MAX_CNT_M,
+ V2_CQC_BYTE_56_CQ_MAX_CNT_S)))
+ goto err;
+
+ if (rdma_nl_put_driver_u32(
+ msg, "period",
+ roce_get_field(context->byte_56_cqe_period_maxcnt,
+ V2_CQC_BYTE_56_CQ_PERIOD_M,
+ V2_CQC_BYTE_56_CQ_PERIOD_S)))
+ goto err;
+
+ if (rdma_nl_put_driver_u32(msg, "cnt",
+ roce_get_field(context->byte_52_cqe_cnt,
+ V2_CQC_BYTE_52_CQE_CNT_M,
+ V2_CQC_BYTE_52_CQE_CNT_S)))
+ goto err;
+
+ return 0;
+
+err:
+ return -EMSGSIZE;
+}
+
+static int hns_roce_fill_res_cq_entry(struct sk_buff *msg,
+ struct rdma_restrack_entry *res)
+{
+ struct ib_cq *ib_cq = container_of(res, struct ib_cq, res);
+ struct hns_roce_dev *hr_dev = to_hr_dev(ib_cq->device);
+ struct hns_roce_cq *hr_cq = to_hr_cq(ib_cq);
+ struct hns_roce_v2_cq_context *context;
+ struct nlattr *table_attr;
+ int ret;
+
+ if (!hr_dev->dfx->query_cqc_info)
+ return -EINVAL;
+
+ context = kzalloc(sizeof(struct hns_roce_v2_cq_context), GFP_KERNEL);
+ if (!context)
+ return -ENOMEM;
+
+ ret = hr_dev->dfx->query_cqc_info(hr_dev, hr_cq->cqn, (int *)context);
+ if (ret)
+ goto err;
+
+ table_attr = nla_nest_start(msg, RDMA_NLDEV_ATTR_DRIVER);
+ if (!table_attr)
+ goto err;
+
+ if (hns_roce_fill_cq(msg, context))
+ goto err_cancel_table;
+
+ nla_nest_end(msg, table_attr);
+ kfree(context);
+
+ return 0;
+
+err_cancel_table:
+ nla_nest_cancel(msg, table_attr);
+err:
+ kfree(context);
+ return -EMSGSIZE;
+}
+
+int hns_roce_fill_res_entry(struct sk_buff *msg,
+ struct rdma_restrack_entry *res)
+{
+ if (res->type == RDMA_RESTRACK_CQ)
+ return hns_roce_fill_res_cq_entry(msg, res);
+
+ return 0;
+}
return 0;
}
-struct ib_srq *hns_roce_create_srq(struct ib_pd *pd,
- struct ib_srq_init_attr *srq_init_attr,
- struct ib_udata *udata)
+int hns_roce_create_srq(struct ib_srq *ib_srq,
+ struct ib_srq_init_attr *srq_init_attr,
+ struct ib_udata *udata)
{
- struct hns_roce_dev *hr_dev = to_hr_dev(pd->device);
+ struct hns_roce_dev *hr_dev = to_hr_dev(ib_srq->device);
struct hns_roce_ib_create_srq_resp resp = {};
- struct hns_roce_srq *srq;
+ struct hns_roce_srq *srq = to_hr_srq(ib_srq);
int srq_desc_size;
int srq_buf_size;
u32 page_shift;
/* Check the actual SRQ wqe and SRQ sge num */
if (srq_init_attr->attr.max_wr >= hr_dev->caps.max_srq_wrs ||
srq_init_attr->attr.max_sge > hr_dev->caps.max_srq_sges)
- return ERR_PTR(-EINVAL);
-
- srq = kzalloc(sizeof(*srq), GFP_KERNEL);
- if (!srq)
- return ERR_PTR(-ENOMEM);
+ return -EINVAL;
mutex_init(&srq->mutex);
spin_lock_init(&srq->lock);
if (udata) {
struct hns_roce_ib_create_srq ucmd;
- if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd))) {
- ret = -EFAULT;
- goto err_srq;
- }
+ if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd)))
+ return -EFAULT;
srq->umem =
ib_umem_get(udata, ucmd.buf_addr, srq_buf_size, 0, 0);
- if (IS_ERR(srq->umem)) {
- ret = PTR_ERR(srq->umem);
- goto err_srq;
- }
+ if (IS_ERR(srq->umem))
+ return PTR_ERR(srq->umem);
if (hr_dev->caps.srqwqe_buf_pg_sz) {
npages = (ib_umem_page_count(srq->umem) +
} else {
page_shift = PAGE_SHIFT + hr_dev->caps.srqwqe_buf_pg_sz;
if (hns_roce_buf_alloc(hr_dev, srq_buf_size,
- (1 << page_shift) * 2,
- &srq->buf, page_shift)) {
- ret = -ENOMEM;
- goto err_srq;
- }
+ (1 << page_shift) * 2, &srq->buf,
+ page_shift))
+ return -ENOMEM;
srq->head = 0;
srq->tail = srq->max - 1;
goto err_srq_mtt;
page_shift = PAGE_SHIFT + hr_dev->caps.idx_buf_pg_sz;
- ret = hns_roce_create_idx_que(pd, srq, page_shift);
+ ret = hns_roce_create_idx_que(ib_srq->pd, srq, page_shift);
if (ret) {
dev_err(hr_dev->dev, "Create idx queue fail(%d)!\n",
ret);
srq->db_reg_l = hr_dev->reg_base + SRQ_DB_REG;
- ret = hns_roce_srq_alloc(hr_dev, to_hr_pd(pd)->pdn, cqn, 0,
+ ret = hns_roce_srq_alloc(hr_dev, to_hr_pd(ib_srq->pd)->pdn, cqn, 0,
&srq->mtt, 0, srq);
if (ret)
goto err_wrid;
}
}
- return &srq->ibsrq;
+ return 0;
err_srqc_alloc:
hns_roce_srq_free(hr_dev, srq);
else
hns_roce_buf_free(hr_dev, srq_buf_size, &srq->buf);
-err_srq:
- kfree(srq);
- return ERR_PTR(ret);
+ return ret;
}
-int hns_roce_destroy_srq(struct ib_srq *ibsrq)
+void hns_roce_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata)
{
struct hns_roce_dev *hr_dev = to_hr_dev(ibsrq->device);
struct hns_roce_srq *srq = to_hr_srq(ibsrq);
hns_roce_buf_free(hr_dev, srq->max << srq->wqe_shift,
&srq->buf);
}
-
- kfree(srq);
-
- return 0;
}
int hns_roce_init_srq_table(struct hns_roce_dev *hr_dev)
void i40iw_request_reset(struct i40iw_device *iwdev);
void i40iw_destroy_rdma_device(struct i40iw_ib_device *iwibdev);
-void i40iw_setup_cm_core(struct i40iw_device *iwdev);
+int i40iw_setup_cm_core(struct i40iw_device *iwdev);
void i40iw_cleanup_cm_core(struct i40iw_cm_core *cm_core);
void i40iw_process_ceq(struct i40iw_device *, struct i40iw_ceq *iwceq);
void i40iw_process_aeq(struct i40iw_device *);
* core
* @iwdev: iwarp device structure
*/
-void i40iw_setup_cm_core(struct i40iw_device *iwdev)
+int i40iw_setup_cm_core(struct i40iw_device *iwdev)
{
struct i40iw_cm_core *cm_core = &iwdev->cm_core;
cm_core->event_wq = alloc_ordered_workqueue("iwewq",
WQ_MEM_RECLAIM);
+ if (!cm_core->event_wq)
+ goto error;
cm_core->disconn_wq = alloc_ordered_workqueue("iwdwq",
WQ_MEM_RECLAIM);
+ if (!cm_core->disconn_wq)
+ goto error;
+
+ return 0;
+error:
+ i40iw_cleanup_cm_core(&iwdev->cm_core);
+
+ return -ENOMEM;
}
/**
del_timer_sync(&cm_core->tcp_timer);
spin_unlock_irqrestore(&cm_core->ht_lock, flags);
- destroy_workqueue(cm_core->event_wq);
- destroy_workqueue(cm_core->disconn_wq);
+ if (cm_core->event_wq)
+ destroy_workqueue(cm_core->event_wq);
+ if (cm_core->disconn_wq)
+ destroy_workqueue(cm_core->disconn_wq);
}
/**
/* Need to free the Last Streaming Mode Message */
if (iwqp->ietf_mem.va) {
if (iwqp->lsmm_mr)
- iwibdev->ibdev.ops.dereg_mr(iwqp->lsmm_mr);
+ iwibdev->ibdev.ops.dereg_mr(iwqp->lsmm_mr,
+ NULL);
i40iw_free_dma_mem(iwdev->sc_dev.hw, &iwqp->ietf_mem);
}
}
iwdev = &hdl->device;
iwdev->hdl = hdl;
dev = &iwdev->sc_dev;
- i40iw_setup_cm_core(iwdev);
+ if (i40iw_setup_cm_core(iwdev)) {
+ kfree(iwdev->hdl);
+ return -ENOMEM;
+ }
dev->back_dev = (void *)iwdev;
iwdev->ldev = &hdl->ldev;
/**
* i40iw_alloc_pd - allocate protection domain
* @pd: PD pointer
- * @context: user context created during alloc
* @udata: user data
*/
-static int i40iw_alloc_pd(struct ib_pd *pd, struct ib_ucontext *context,
- struct ib_udata *udata)
+static int i40iw_alloc_pd(struct ib_pd *pd, struct ib_udata *udata)
{
struct i40iw_pd *iwpd = to_iwpd(pd);
struct i40iw_device *iwdev = to_iwdev(pd->device);
struct i40iw_sc_dev *dev = &iwdev->sc_dev;
struct i40iw_alloc_pd_resp uresp;
struct i40iw_sc_pd *sc_pd;
- struct i40iw_ucontext *ucontext;
u32 pd_id = 0;
int err;
sc_pd = &iwpd->sc_pd;
- if (context) {
- ucontext = to_ucontext(context);
+ if (udata) {
+ struct i40iw_ucontext *ucontext = rdma_udata_to_drv_context(
+ udata, struct i40iw_ucontext, ibucontext);
dev->iw_pd_ops->pd_init(dev, sc_pd, pd_id, ucontext->abi_ver);
memset(&uresp, 0, sizeof(uresp));
uresp.pd_id = pd_id;
/**
* i40iw_dealloc_pd - deallocate pd
* @ibpd: ptr of pd to be deallocated
+ * @udata: user data or null for kernel object
*/
-static void i40iw_dealloc_pd(struct ib_pd *ibpd)
+static void i40iw_dealloc_pd(struct ib_pd *ibpd, struct ib_udata *udata)
{
struct i40iw_pd *iwpd = to_iwpd(ibpd);
struct i40iw_device *iwdev = to_iwdev(ibpd->device);
* i40iw_destroy_qp - destroy qp
* @ibqp: qp's ib pointer also to get to device's qp address
*/
-static int i40iw_destroy_qp(struct ib_qp *ibqp)
+static int i40iw_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata)
{
struct i40iw_qp *iwqp = to_iwqp(ibqp);
err_code = ib_copy_to_udata(udata, &uresp, sizeof(uresp));
if (err_code) {
i40iw_pr_err("copy_to_udata failed\n");
- i40iw_destroy_qp(&iwqp->ibqp);
- /* let the completion of the qp destroy free the qp */
+ i40iw_destroy_qp(&iwqp->ibqp, udata);
+ /* let the completion of the qp destroy free the qp */
return ERR_PTR(err_code);
}
}
/**
* i40iw_destroy_cq - destroy cq
* @ib_cq: cq pointer
+ * @udata: user data or NULL for kernel object
*/
-static int i40iw_destroy_cq(struct ib_cq *ib_cq)
+static int i40iw_destroy_cq(struct ib_cq *ib_cq, struct ib_udata *udata)
{
struct i40iw_cq *iwcq;
struct i40iw_device *iwdev;
* i40iw_create_cq - create cq
* @ibdev: device pointer from stack
* @attr: attributes for cq
- * @context: user context created during alloc
* @udata: user data
*/
static struct ib_cq *i40iw_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,
- struct ib_ucontext *context,
struct ib_udata *udata)
{
struct i40iw_device *iwdev = to_iwdev(ibdev);
info.ceq_id_valid = true;
info.ceqe_mask = 1;
info.type = I40IW_CQ_TYPE_IWARP;
- if (context) {
- struct i40iw_ucontext *ucontext;
+ if (udata) {
+ struct i40iw_ucontext *ucontext = rdma_udata_to_drv_context(
+ udata, struct i40iw_ucontext, ibucontext);
struct i40iw_create_cq_req req;
struct i40iw_cq_mr *cqmr;
memset(&req, 0, sizeof(req));
iwcq->user_mode = true;
- ucontext = to_ucontext(context);
if (ib_copy_from_udata(&req, udata, sizeof(struct i40iw_create_cq_req))) {
err_code = -EFAULT;
goto cq_free_resources;
goto cq_free_resources;
}
- if (context) {
+ if (udata) {
struct i40iw_create_cq_resp resp;
memset(&resp, 0, sizeof(resp));
struct i40iw_pbl *iwpbl = &iwmr->iwpbl;
struct i40iw_pble_alloc *palloc = &iwpbl->pble_alloc;
struct i40iw_pble_info *pinfo;
- struct sg_dma_page_iter sg_iter;
- u64 pg_addr = 0;
+ struct ib_block_iter biter;
u32 idx = 0;
- bool first_pg = true;
pinfo = (level == I40IW_LEVEL_1) ? NULL : palloc->level2.leaf;
if (iwmr->type == IW_MEMREG_TYPE_QP)
iwpbl->qp_mr.sq_page = sg_page(region->sg_head.sgl);
- for_each_sg_dma_page (region->sg_head.sgl, &sg_iter, region->nmap, 0) {
- pg_addr = sg_page_iter_dma_address(&sg_iter);
- if (first_pg)
- *pbl = cpu_to_le64(pg_addr & iwmr->page_msk);
- else if (!(pg_addr & ~iwmr->page_msk))
- *pbl = cpu_to_le64(pg_addr);
- else
- continue;
-
- first_pg = false;
+ rdma_for_each_block(region->sg_head.sgl, &biter, region->nmap,
+ iwmr->page_size) {
+ *pbl = rdma_block_iter_dma_address(&biter);
pbl = i40iw_next_pbl_addr(pbl, &pinfo, &idx);
}
}
-/**
- * i40iw_set_hugetlb_params - set MR pg size and mask to huge pg values.
- * @addr: virtual address
- * @iwmr: mr pointer for this memory registration
- */
-static void i40iw_set_hugetlb_values(u64 addr, struct i40iw_mr *iwmr)
-{
- struct vm_area_struct *vma;
- struct hstate *h;
-
- down_read(¤t->mm->mmap_sem);
- vma = find_vma(current->mm, addr);
- if (vma && is_vm_hugetlb_page(vma)) {
- h = hstate_vma(vma);
- if (huge_page_size(h) == 0x200000) {
- iwmr->page_size = huge_page_size(h);
- iwmr->page_msk = huge_page_mask(h);
- }
- }
- up_read(¤t->mm->mmap_sem);
-}
-
/**
* i40iw_check_mem_contiguous - check if pbls stored in arr are contiguous
* @arr: lvl1 pbl array
* @pd: ibpd pointer
* @mr_type: memory for stag registrion
* @max_num_sg: man number of pages
+ * @udata: user data or NULL for kernel objects
*/
-static struct ib_mr *i40iw_alloc_mr(struct ib_pd *pd,
- enum ib_mr_type mr_type,
- u32 max_num_sg)
+static struct ib_mr *i40iw_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,
+ u32 max_num_sg, struct ib_udata *udata)
{
struct i40iw_pd *iwpd = to_iwpd(pd);
struct i40iw_device *iwdev = to_iwdev(pd->device);
iwmr->ibmr.device = pd->device;
iwmr->page_size = PAGE_SIZE;
- iwmr->page_msk = PAGE_MASK;
-
- if (region->hugetlb && (req.reg_type == IW_MEMREG_TYPE_MEM))
- i40iw_set_hugetlb_values(start, iwmr);
+ if (req.reg_type == IW_MEMREG_TYPE_MEM)
+ iwmr->page_size = ib_umem_find_best_pgsz(region, SZ_4K | SZ_2M,
+ virt);
region_length = region->length + (start & (iwmr->page_size - 1));
pg_shift = ffs(iwmr->page_size) - 1;
* i40iw_dereg_mr - deregister mr
* @ib_mr: mr ptr for dereg
*/
-static int i40iw_dereg_mr(struct ib_mr *ib_mr)
+static int i40iw_dereg_mr(struct ib_mr *ib_mr, struct ib_udata *udata)
{
struct ib_pd *ibpd = ib_mr->pd;
struct i40iw_pd *iwpd = to_iwpd(ibpd);
if (iwmr->type != IW_MEMREG_TYPE_MEM) {
/* region is released. only test for userness. */
if (iwmr->region) {
- struct i40iw_ucontext *ucontext;
+ struct i40iw_ucontext *ucontext =
+ rdma_udata_to_drv_context(
+ udata,
+ struct i40iw_ucontext,
+ ibucontext);
- ucontext = to_ucontext(ibpd->uobject->context);
i40iw_del_memlist(iwmr, ucontext);
}
if (iwpbl->pbl_allocated && iwmr->type != IW_MEMREG_TYPE_QP)
.get_dma_mr = i40iw_get_dma_mr,
.get_hw_stats = i40iw_get_hw_stats,
.get_port_immutable = i40iw_port_immutable,
+ .iw_accept = i40iw_accept,
+ .iw_add_ref = i40iw_add_ref,
+ .iw_connect = i40iw_connect,
+ .iw_create_listen = i40iw_create_listen,
+ .iw_destroy_listen = i40iw_destroy_listen,
+ .iw_get_qp = i40iw_get_qp,
+ .iw_reject = i40iw_reject,
+ .iw_rem_ref = i40iw_rem_ref,
.map_mr_sg = i40iw_map_mr_sg,
.mmap = i40iw_mmap,
.modify_qp = i40iw_modify_qp,
iwibdev->ibdev.phys_port_cnt = 1;
iwibdev->ibdev.num_comp_vectors = iwdev->ceqs_count;
iwibdev->ibdev.dev.parent = &pcidev->dev;
- iwibdev->ibdev.iwcm = kzalloc(sizeof(*iwibdev->ibdev.iwcm), GFP_KERNEL);
- if (!iwibdev->ibdev.iwcm) {
- ib_dealloc_device(&iwibdev->ibdev);
- return NULL;
- }
-
- iwibdev->ibdev.iwcm->add_ref = i40iw_add_ref;
- iwibdev->ibdev.iwcm->rem_ref = i40iw_rem_ref;
- iwibdev->ibdev.iwcm->get_qp = i40iw_get_qp;
- iwibdev->ibdev.iwcm->connect = i40iw_connect;
- iwibdev->ibdev.iwcm->accept = i40iw_accept;
- iwibdev->ibdev.iwcm->reject = i40iw_reject;
- iwibdev->ibdev.iwcm->create_listen = i40iw_create_listen;
- iwibdev->ibdev.iwcm->destroy_listen = i40iw_destroy_listen;
- memcpy(iwibdev->ibdev.iwcm->ifname, netdev->name,
- sizeof(iwibdev->ibdev.iwcm->ifname));
+ memcpy(iwibdev->ibdev.iw_ifname, netdev->name,
+ sizeof(iwibdev->ibdev.iw_ifname));
ib_set_device_ops(&iwibdev->ibdev, &i40iw_dev_ops);
return iwibdev;
return;
ib_unregister_device(&iwibdev->ibdev);
- kfree(iwibdev->ibdev.iwcm);
- iwibdev->ibdev.iwcm = NULL;
wait_event_timeout(iwibdev->iwdev->close_wq,
!atomic64_read(&iwibdev->iwdev->use_count),
I40IW_EVENT_TIMEOUT);
return 0;
error:
- kfree(iwdev->iwibdev->ibdev.iwcm);
- iwdev->iwibdev->ibdev.iwcm = NULL;
ib_dealloc_device(&iwdev->iwibdev->ibdev);
return ret;
}
struct ib_umem *region;
u16 type;
u32 page_cnt;
- u32 page_size;
- u64 page_msk;
+ u64 page_size;
u32 npages;
u32 stag;
u64 length;
#include "mlx4_ib.h"
-static struct ib_ah *create_ib_ah(struct ib_pd *pd,
- struct rdma_ah_attr *ah_attr,
- struct mlx4_ib_ah *ah)
+static void create_ib_ah(struct ib_ah *ib_ah, struct rdma_ah_attr *ah_attr)
{
- struct mlx4_dev *dev = to_mdev(pd->device)->dev;
+ struct mlx4_ib_ah *ah = to_mah(ib_ah);
+ struct mlx4_dev *dev = to_mdev(ib_ah->device)->dev;
- ah->av.ib.port_pd = cpu_to_be32(to_mpd(pd)->pdn |
+ ah->av.ib.port_pd = cpu_to_be32(to_mpd(ib_ah->pd)->pdn |
(rdma_ah_get_port_num(ah_attr) << 24));
ah->av.ib.g_slid = rdma_ah_get_path_bits(ah_attr);
ah->av.ib.sl_tclass_flowlabel =
--static_rate;
ah->av.ib.stat_rate = static_rate;
}
-
- return &ah->ibah;
}
-static struct ib_ah *create_iboe_ah(struct ib_pd *pd,
- struct rdma_ah_attr *ah_attr,
- struct mlx4_ib_ah *ah)
+static int create_iboe_ah(struct ib_ah *ib_ah, struct rdma_ah_attr *ah_attr)
{
- struct mlx4_ib_dev *ibdev = to_mdev(pd->device);
+ struct mlx4_ib_dev *ibdev = to_mdev(ib_ah->device);
+ struct mlx4_ib_ah *ah = to_mah(ib_ah);
const struct ib_gid_attr *gid_attr;
struct mlx4_dev *dev = ibdev->dev;
int is_mcast = 0;
*/
gid_attr = ah_attr->grh.sgid_attr;
if (gid_attr) {
- if (is_vlan_dev(gid_attr->ndev))
- vlan_tag = vlan_dev_vlan_id(gid_attr->ndev);
- memcpy(ah->av.eth.s_mac, gid_attr->ndev->dev_addr, ETH_ALEN);
+ ret = rdma_read_gid_l2_fields(gid_attr, &vlan_tag,
+ &ah->av.eth.s_mac[0]);
+ if (ret)
+ return ret;
+
ret = mlx4_ib_gid_index_to_real_index(ibdev, gid_attr);
if (ret < 0)
- return ERR_PTR(ret);
+ return ret;
ah->av.eth.gid_index = ret;
} else {
/* mlx4_ib_create_ah_slave fills in the s_mac and the vlan */
if (vlan_tag < 0x1000)
vlan_tag |= (rdma_ah_get_sl(ah_attr) & 7) << 13;
- ah->av.eth.port_pd = cpu_to_be32(to_mpd(pd)->pdn |
+ ah->av.eth.port_pd = cpu_to_be32(to_mpd(ib_ah->pd)->pdn |
(rdma_ah_get_port_num(ah_attr) << 24));
ah->av.eth.vlan = cpu_to_be16(vlan_tag);
ah->av.eth.hop_limit = grh->hop_limit;
memcpy(ah->av.eth.dgid, grh->dgid.raw, 16);
ah->av.eth.sl_tclass_flowlabel |= cpu_to_be32(rdma_ah_get_sl(ah_attr)
<< 29);
- return &ah->ibah;
+ return 0;
}
-struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct rdma_ah_attr *ah_attr,
- u32 flags, struct ib_udata *udata)
+int mlx4_ib_create_ah(struct ib_ah *ib_ah, struct rdma_ah_attr *ah_attr,
+ u32 flags, struct ib_udata *udata)
{
- struct mlx4_ib_ah *ah;
- struct ib_ah *ret;
-
- ah = kzalloc(sizeof *ah, GFP_ATOMIC);
- if (!ah)
- return ERR_PTR(-ENOMEM);
-
if (ah_attr->type == RDMA_AH_ATTR_TYPE_ROCE) {
- if (!(rdma_ah_get_ah_flags(ah_attr) & IB_AH_GRH)) {
- ret = ERR_PTR(-EINVAL);
- } else {
- /*
- * TBD: need to handle the case when we get
- * called in an atomic context and there we
- * might sleep. We don't expect this
- * currently since we're working with link
- * local addresses which we can translate
- * without going to sleep.
- */
- ret = create_iboe_ah(pd, ah_attr, ah);
- }
-
- if (IS_ERR(ret))
- kfree(ah);
+ if (!(rdma_ah_get_ah_flags(ah_attr) & IB_AH_GRH))
+ return -EINVAL;
+ /*
+ * TBD: need to handle the case when we get
+ * called in an atomic context and there we
+ * might sleep. We don't expect this
+ * currently since we're working with link
+ * local addresses which we can translate
+ * without going to sleep.
+ */
+ return create_iboe_ah(ib_ah, ah_attr);
+ }
- return ret;
- } else
- return create_ib_ah(pd, ah_attr, ah); /* never fails */
+ create_ib_ah(ib_ah, ah_attr);
+ return 0;
}
-/* AH's created via this call must be free'd by mlx4_ib_destroy_ah. */
-struct ib_ah *mlx4_ib_create_ah_slave(struct ib_pd *pd,
- struct rdma_ah_attr *ah_attr,
- int slave_sgid_index, u8 *s_mac,
- u16 vlan_tag)
+int mlx4_ib_create_ah_slave(struct ib_ah *ah, struct rdma_ah_attr *ah_attr,
+ int slave_sgid_index, u8 *s_mac, u16 vlan_tag)
{
struct rdma_ah_attr slave_attr = *ah_attr;
- struct mlx4_ib_ah *mah;
- struct ib_ah *ah;
+ struct mlx4_ib_ah *mah = to_mah(ah);
+ int ret;
slave_attr.grh.sgid_attr = NULL;
slave_attr.grh.sgid_index = slave_sgid_index;
- ah = mlx4_ib_create_ah(pd, &slave_attr, 0, NULL);
- if (IS_ERR(ah))
- return ah;
+ ret = mlx4_ib_create_ah(ah, &slave_attr, 0, NULL);
+ if (ret)
+ return ret;
- ah->device = pd->device;
- ah->pd = pd;
ah->type = ah_attr->type;
- mah = to_mah(ah);
/* get rid of force-loopback bit */
mah->av.ib.port_pd &= cpu_to_be32(0x7FFFFFFF);
vlan_tag |= (rdma_ah_get_sl(ah_attr) & 7) << 13;
mah->av.eth.vlan = cpu_to_be16(vlan_tag);
- return ah;
+ return 0;
}
int mlx4_ib_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr)
return 0;
}
-int mlx4_ib_destroy_ah(struct ib_ah *ah, u32 flags)
+void mlx4_ib_destroy_ah(struct ib_ah *ah, u32 flags)
{
- kfree(to_mah(ah));
- return 0;
+ return;
}
{
struct delayed_work *delay = to_delayed_work(work);
struct id_map_entry *ent = container_of(delay, struct id_map_entry, timeout);
- struct id_map_entry *db_ent, *found_ent;
+ struct id_map_entry *found_ent;
struct mlx4_ib_dev *dev = ent->dev;
struct mlx4_ib_sriov *sriov = &dev->sriov;
struct rb_root *sl_id_map = &sriov->sl_id_map;
- int pv_id = (int) ent->pv_cm_id;
spin_lock(&sriov->id_map_lock);
- db_ent = (struct id_map_entry *)idr_find(&sriov->pv_id_table, pv_id);
- if (!db_ent)
+ if (!xa_erase(&sriov->pv_id_table, ent->pv_cm_id))
goto out;
found_ent = id_map_find_by_sl_id(&dev->ib_dev, ent->slave_id, ent->sl_cm_id);
if (found_ent && found_ent == ent)
rb_erase(&found_ent->node, sl_id_map);
- idr_remove(&sriov->pv_id_table, pv_id);
out:
list_del(&ent->list);
struct id_map_entry *ent, *found_ent;
spin_lock(&sriov->id_map_lock);
- ent = (struct id_map_entry *)idr_find(&sriov->pv_id_table, pv_cm_id);
+ ent = xa_erase(&sriov->pv_id_table, pv_cm_id);
if (!ent)
goto out;
found_ent = id_map_find_by_sl_id(ibdev, ent->slave_id, ent->sl_cm_id);
if (found_ent && found_ent == ent)
rb_erase(&found_ent->node, sl_id_map);
- idr_remove(&sriov->pv_id_table, pv_cm_id);
out:
spin_unlock(&sriov->id_map_lock);
}
ent->dev = to_mdev(ibdev);
INIT_DELAYED_WORK(&ent->timeout, id_map_ent_timeout);
- idr_preload(GFP_KERNEL);
- spin_lock(&to_mdev(ibdev)->sriov.id_map_lock);
-
- ret = idr_alloc_cyclic(&sriov->pv_id_table, ent, 0, 0, GFP_NOWAIT);
+ ret = xa_alloc_cyclic(&sriov->pv_id_table, &ent->pv_cm_id, ent,
+ xa_limit_32b, &sriov->pv_id_next, GFP_KERNEL);
if (ret >= 0) {
- ent->pv_cm_id = (u32)ret;
+ spin_lock(&sriov->id_map_lock);
sl_id_map_add(ibdev, ent);
list_add_tail(&ent->list, &sriov->cm_list);
- }
-
- spin_unlock(&sriov->id_map_lock);
- idr_preload_end();
-
- if (ret >= 0)
+ spin_unlock(&sriov->id_map_lock);
return ent;
+ }
/*error flow*/
kfree(ent);
- mlx4_ib_warn(ibdev, "No more space in the idr (err:0x%x)\n", ret);
+ mlx4_ib_warn(ibdev, "Allocation failed (err:0x%x)\n", ret);
return ERR_PTR(-ENOMEM);
}
if (ent)
*pv_cm_id = (int) ent->pv_cm_id;
} else
- ent = (struct id_map_entry *)idr_find(&sriov->pv_id_table, *pv_cm_id);
+ ent = xa_load(&sriov->pv_id_table, *pv_cm_id);
spin_unlock(&sriov->id_map_lock);
return ent;
spin_lock_init(&dev->sriov.id_map_lock);
INIT_LIST_HEAD(&dev->sriov.cm_list);
dev->sriov.sl_id_map = RB_ROOT;
- idr_init(&dev->sriov.pv_id_table);
+ xa_init_flags(&dev->sriov.pv_id_table, XA_FLAGS_ALLOC);
}
/* slave = -1 ==> all slaves */
struct id_map_entry, node);
rb_erase(&ent->node, sl_id_map);
- idr_remove(&sriov->pv_id_table, (int) ent->pv_cm_id);
+ xa_erase(&sriov->pv_id_table, ent->pv_cm_id);
}
list_splice_init(&dev->sriov.cm_list, &lh);
} else {
/* remove those nodes from databases */
list_for_each_entry_safe(map, tmp_map, &lh, list) {
rb_erase(&map->node, sl_id_map);
- idr_remove(&sriov->pv_id_table, (int) map->pv_cm_id);
+ xa_erase(&sriov->pv_id_table, map->pv_cm_id);
}
/* add remaining nodes from cm_list */
#include "mlx4_ib.h"
#include <rdma/mlx4-abi.h>
+#include <rdma/uverbs_ioctl.h>
static void mlx4_ib_cq_comp(struct mlx4_cq *cq)
{
#define CQ_CREATE_FLAGS_SUPPORTED IB_UVERBS_CQ_FLAGS_TIMESTAMP_COMPLETION
struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,
- struct ib_ucontext *context,
struct ib_udata *udata)
{
int entries = attr->cqe;
struct mlx4_uar *uar;
void *buf_addr;
int err;
+ struct mlx4_ib_ucontext *context = rdma_udata_to_drv_context(
+ udata, struct mlx4_ib_ucontext, ibucontext);
if (entries < 1 || entries > dev->dev->caps.max_cqes)
return ERR_PTR(-EINVAL);
INIT_LIST_HEAD(&cq->send_qp_list);
INIT_LIST_HEAD(&cq->recv_qp_list);
- if (context) {
+ if (udata) {
struct mlx4_ib_create_cq ucmd;
if (ib_copy_from_udata(&ucmd, udata, sizeof ucmd)) {
if (err)
goto err_cq;
- err = mlx4_ib_db_map_user(to_mucontext(context), udata,
- ucmd.db_addr, &cq->db);
+ err = mlx4_ib_db_map_user(udata, ucmd.db_addr, &cq->db);
if (err)
goto err_mtt;
- uar = &to_mucontext(context)->uar;
+ uar = &context->uar;
cq->mcq.usage = MLX4_RES_USAGE_USER_VERBS;
} else {
err = mlx4_db_alloc(dev->dev, &cq->db, 1);
if (dev->eq_table)
vector = dev->eq_table[vector % ibdev->num_comp_vectors];
- err = mlx4_cq_alloc(dev->dev, entries, &cq->buf.mtt, uar,
- cq->db.dma, &cq->mcq, vector, 0,
+ err = mlx4_cq_alloc(dev->dev, entries, &cq->buf.mtt, uar, cq->db.dma,
+ &cq->mcq, vector, 0,
!!(cq->create_flags &
IB_UVERBS_CQ_FLAGS_TIMESTAMP_COMPLETION),
- buf_addr, !!context);
+ buf_addr, !!udata);
if (err)
goto err_dbmap;
- if (context)
+ if (udata)
cq->mcq.tasklet_ctx.comp = mlx4_ib_cq_comp;
else
cq->mcq.comp = mlx4_ib_cq_comp;
cq->mcq.event = mlx4_ib_cq_event;
- if (context)
+ if (udata)
if (ib_copy_to_udata(udata, &cq->mcq.cqn, sizeof (__u32))) {
err = -EFAULT;
goto err_cq_free;
mlx4_cq_free(dev->dev, &cq->mcq);
err_dbmap:
- if (context)
- mlx4_ib_db_unmap_user(to_mucontext(context), &cq->db);
+ if (udata)
+ mlx4_ib_db_unmap_user(context, &cq->db);
err_mtt:
mlx4_mtt_cleanup(dev->dev, &cq->buf.mtt);
- if (context)
+ if (udata)
ib_umem_release(cq->umem);
else
mlx4_ib_free_cq_buf(dev, &cq->buf, cq->ibcq.cqe);
err_db:
- if (!context)
+ if (!udata)
mlx4_db_free(dev->dev, &cq->db);
err_cq:
return err;
}
-int mlx4_ib_destroy_cq(struct ib_cq *cq)
+int mlx4_ib_destroy_cq(struct ib_cq *cq, struct ib_udata *udata)
{
struct mlx4_ib_dev *dev = to_mdev(cq->device);
struct mlx4_ib_cq *mcq = to_mcq(cq);
mlx4_cq_free(dev->dev, &mcq->mcq);
mlx4_mtt_cleanup(dev->dev, &mcq->buf.mtt);
- if (cq->uobject) {
- mlx4_ib_db_unmap_user(to_mucontext(cq->uobject->context), &mcq->db);
+ if (udata) {
+ mlx4_ib_db_unmap_user(
+ rdma_udata_to_drv_context(
+ udata,
+ struct mlx4_ib_ucontext,
+ ibucontext),
+ &mcq->db);
ib_umem_release(mcq->umem);
} else {
mlx4_ib_free_cq_buf(dev, &mcq->buf, cq->cqe);
*/
#include <linux/slab.h>
+#include <rdma/uverbs_ioctl.h>
#include "mlx4_ib.h"
int refcnt;
};
-int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context,
- struct ib_udata *udata, unsigned long virt,
+int mlx4_ib_db_map_user(struct ib_udata *udata, unsigned long virt,
struct mlx4_db *db)
{
struct mlx4_ib_user_db_page *page;
int err = 0;
+ struct mlx4_ib_ucontext *context = rdma_udata_to_drv_context(
+ udata, struct mlx4_ib_ucontext, ibucontext);
mutex_lock(&context->db_page_mutex);
struct ib_ah *ah;
struct ib_qp *send_qp = NULL;
unsigned wire_tx_ix = 0;
- int ret = 0;
u16 wire_pkey_ix;
int src_qpnum;
+ int ret;
sqp_ctx = dev->sriov.sqps[port-1];
send_qp = sqp->qp;
- /* create ah */
- ah = mlx4_ib_create_ah_slave(sqp_ctx->pd, attr,
- rdma_ah_retrieve_grh(attr)->sgid_index,
- s_mac, vlan_id);
- if (IS_ERR(ah))
+ ah = rdma_zalloc_drv_obj(sqp_ctx->pd->device, ib_ah);
+ if (!ah)
return -ENOMEM;
+
+ ah->device = sqp_ctx->pd->device;
+ ah->pd = sqp_ctx->pd;
+
+ /* create ah */
+ ret = mlx4_ib_create_ah_slave(ah, attr,
+ rdma_ah_retrieve_grh(attr)->sgid_index,
+ s_mac, vlan_id);
+ if (ret)
+ goto out;
+
spin_lock(&sqp->tx_lock);
if (sqp->tx_ix_head - sqp->tx_ix_tail >=
(MLX4_NUM_TUNNEL_BUFS - 1))
goto out;
sqp_mad = (struct mlx4_mad_snd_buf *) (sqp->tx_ring[wire_tx_ix].buf.addr);
- if (sqp->tx_ring[wire_tx_ix].ah)
- mlx4_ib_destroy_ah(sqp->tx_ring[wire_tx_ix].ah, 0);
+ kfree(sqp->tx_ring[wire_tx_ix].ah);
sqp->tx_ring[wire_tx_ix].ah = ah;
ib_dma_sync_single_for_cpu(&dev->ib_dev,
sqp->tx_ring[wire_tx_ix].buf.map,
spin_unlock(&sqp->tx_lock);
sqp->tx_ring[wire_tx_ix].ah = NULL;
out:
- mlx4_ib_destroy_ah(ah, 0);
+ kfree(ah);
return ret;
}
if (wc.status == IB_WC_SUCCESS) {
switch (wc.opcode) {
case IB_WC_SEND:
- mlx4_ib_destroy_ah(sqp->tx_ring[wc.wr_id &
- (MLX4_NUM_TUNNEL_BUFS - 1)].ah, 0);
+ kfree(sqp->tx_ring[wc.wr_id &
+ (MLX4_NUM_TUNNEL_BUFS - 1)].ah);
sqp->tx_ring[wc.wr_id & (MLX4_NUM_TUNNEL_BUFS - 1)].ah
= NULL;
spin_lock(&sqp->tx_lock);
" status = %d, wrid = 0x%llx\n",
ctx->slave, wc.status, wc.wr_id);
if (!MLX4_TUN_IS_RECV(wc.wr_id)) {
- mlx4_ib_destroy_ah(sqp->tx_ring[wc.wr_id &
- (MLX4_NUM_TUNNEL_BUFS - 1)].ah, 0);
+ kfree(sqp->tx_ring[wc.wr_id &
+ (MLX4_NUM_TUNNEL_BUFS - 1)].ah);
sqp->tx_ring[wc.wr_id & (MLX4_NUM_TUNNEL_BUFS - 1)].ah
= NULL;
spin_lock(&sqp->tx_lock);
}
}
-static int mlx4_ib_alloc_pd(struct ib_pd *ibpd, struct ib_ucontext *context,
- struct ib_udata *udata)
+static int mlx4_ib_alloc_pd(struct ib_pd *ibpd, struct ib_udata *udata)
{
struct mlx4_ib_pd *pd = to_mpd(ibpd);
struct ib_device *ibdev = ibpd->device;
if (err)
return err;
- if (context && ib_copy_to_udata(udata, &pd->pdn, sizeof(__u32))) {
+ if (udata && ib_copy_to_udata(udata, &pd->pdn, sizeof(__u32))) {
mlx4_pd_free(to_mdev(ibdev)->dev, pd->pdn);
return -EFAULT;
}
return 0;
}
-static void mlx4_ib_dealloc_pd(struct ib_pd *pd)
+static void mlx4_ib_dealloc_pd(struct ib_pd *pd, struct ib_udata *udata)
{
mlx4_pd_free(to_mdev(pd->device)->dev, to_mpd(pd)->pdn);
}
static struct ib_xrcd *mlx4_ib_alloc_xrcd(struct ib_device *ibdev,
- struct ib_ucontext *context,
struct ib_udata *udata)
{
struct mlx4_ib_xrcd *xrcd;
return ERR_PTR(err);
}
-static int mlx4_ib_dealloc_xrcd(struct ib_xrcd *xrcd)
+static int mlx4_ib_dealloc_xrcd(struct ib_xrcd *xrcd, struct ib_udata *udata)
{
ib_destroy_cq(to_mxrcd(xrcd)->cq);
ib_dealloc_pd(to_mxrcd(xrcd)->pd);
.req_notify_cq = mlx4_ib_arm_cq,
.rereg_user_mr = mlx4_ib_rereg_user_mr,
.resize_cq = mlx4_ib_resize_cq,
+
+ INIT_RDMA_OBJ_SIZE(ib_ah, mlx4_ib_ah, ibah),
INIT_RDMA_OBJ_SIZE(ib_pd, mlx4_ib_pd, ibpd),
+ INIT_RDMA_OBJ_SIZE(ib_srq, mlx4_ib_srq, ibsrq),
INIT_RDMA_OBJ_SIZE(ib_ucontext, mlx4_ib_ucontext, ibucontext),
};
struct mlx4_sriov_alias_guid alias_guid;
/* CM paravirtualization fields */
- struct list_head cm_list;
+ struct xarray pv_id_table;
+ u32 pv_id_next;
spinlock_t id_map_lock;
struct rb_root sl_id_map;
- struct idr pv_id_table;
+ struct list_head cm_list;
};
struct gid_cache_context {
int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev);
void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev);
-int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context,
- struct ib_udata *udata, unsigned long virt,
+int mlx4_ib_db_map_user(struct ib_udata *udata, unsigned long virt,
struct mlx4_db *db);
void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db);
struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
u64 virt_addr, int access_flags,
struct ib_udata *udata);
-int mlx4_ib_dereg_mr(struct ib_mr *mr);
+int mlx4_ib_dereg_mr(struct ib_mr *mr, struct ib_udata *udata);
struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type,
struct ib_udata *udata);
int mlx4_ib_dealloc_mw(struct ib_mw *mw);
-struct ib_mr *mlx4_ib_alloc_mr(struct ib_pd *pd,
- enum ib_mr_type mr_type,
- u32 max_num_sg);
+struct ib_mr *mlx4_ib_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,
+ u32 max_num_sg, struct ib_udata *udata);
int mlx4_ib_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents,
unsigned int *sg_offset);
int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period);
int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata);
struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,
- struct ib_ucontext *context,
struct ib_udata *udata);
-int mlx4_ib_destroy_cq(struct ib_cq *cq);
+int mlx4_ib_destroy_cq(struct ib_cq *cq, struct ib_udata *udata);
int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
-struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct rdma_ah_attr *ah_attr,
- u32 flags, struct ib_udata *udata);
-struct ib_ah *mlx4_ib_create_ah_slave(struct ib_pd *pd,
- struct rdma_ah_attr *ah_attr,
- int slave_sgid_index, u8 *s_mac,
- u16 vlan_tag);
+int mlx4_ib_create_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr, u32 flags,
+ struct ib_udata *udata);
+int mlx4_ib_create_ah_slave(struct ib_ah *ah, struct rdma_ah_attr *ah_attr,
+ int slave_sgid_index, u8 *s_mac, u16 vlan_tag);
int mlx4_ib_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr);
-int mlx4_ib_destroy_ah(struct ib_ah *ah, u32 flags);
+void mlx4_ib_destroy_ah(struct ib_ah *ah, u32 flags);
-struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd,
- struct ib_srq_init_attr *init_attr,
- struct ib_udata *udata);
+int mlx4_ib_create_srq(struct ib_srq *srq, struct ib_srq_init_attr *init_attr,
+ struct ib_udata *udata);
int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
-int mlx4_ib_destroy_srq(struct ib_srq *srq);
+void mlx4_ib_destroy_srq(struct ib_srq *srq, struct ib_udata *udata);
void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index);
int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, const struct ib_recv_wr *wr,
const struct ib_recv_wr **bad_wr);
struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
struct ib_qp_init_attr *init_attr,
struct ib_udata *udata);
-int mlx4_ib_destroy_qp(struct ib_qp *qp);
+int mlx4_ib_destroy_qp(struct ib_qp *qp, struct ib_udata *udata);
void mlx4_ib_drain_sq(struct ib_qp *qp);
void mlx4_ib_drain_rq(struct ib_qp *qp);
int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
struct ib_wq *mlx4_ib_create_wq(struct ib_pd *pd,
struct ib_wq_init_attr *init_attr,
struct ib_udata *udata);
-int mlx4_ib_destroy_wq(struct ib_wq *wq);
+int mlx4_ib_destroy_wq(struct ib_wq *wq, struct ib_udata *udata);
int mlx4_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr,
u32 wq_attr_mask, struct ib_udata *udata);
}
}
-int mlx4_ib_dereg_mr(struct ib_mr *ibmr)
+int mlx4_ib_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata)
{
struct mlx4_ib_mr *mr = to_mmr(ibmr);
int ret;
return 0;
}
-struct ib_mr *mlx4_ib_alloc_mr(struct ib_pd *pd,
- enum ib_mr_type mr_type,
- u32 max_num_sg)
+struct ib_mr *mlx4_ib_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,
+ u32 max_num_sg, struct ib_udata *udata)
{
struct mlx4_ib_dev *dev = to_mdev(pd->device);
struct mlx4_ib_mr *mr;
goto err_mtt;
if (qp_has_rq(init_attr)) {
- err = mlx4_ib_db_map_user(
- context, udata,
- (src == MLX4_IB_QP_SRC) ? ucmd.qp.db_addr :
+ err = mlx4_ib_db_map_user(udata,
+ (src == MLX4_IB_QP_SRC) ?
+ ucmd.qp.db_addr :
ucmd.wq.db_addr,
- &qp->db);
+ &qp->db);
if (err)
goto err_mtt;
}
}
static void destroy_qp_common(struct mlx4_ib_dev *dev, struct mlx4_ib_qp *qp,
- enum mlx4_ib_source_type src, bool is_user)
+ enum mlx4_ib_source_type src,
+ struct ib_udata *udata)
{
struct mlx4_ib_cq *send_cq, *recv_cq;
unsigned long flags;
list_del(&qp->qps_list);
list_del(&qp->cq_send_list);
list_del(&qp->cq_recv_list);
- if (!is_user) {
+ if (!udata) {
__mlx4_ib_cq_clean(recv_cq, qp->mqp.qpn,
qp->ibqp.srq ? to_msrq(qp->ibqp.srq): NULL);
if (send_cq != recv_cq)
if (qp->flags & MLX4_IB_QP_NETIF)
mlx4_ib_steer_qp_free(dev, qp->mqp.qpn, 1);
else if (src == MLX4_IB_RWQ_SRC)
- mlx4_ib_release_wqn(to_mucontext(
- qp->ibwq.uobject->context), qp, 1);
+ mlx4_ib_release_wqn(
+ rdma_udata_to_drv_context(
+ udata,
+ struct mlx4_ib_ucontext,
+ ibucontext),
+ qp, 1);
else
mlx4_qp_release_range(dev->dev, qp->mqp.qpn, 1);
}
mlx4_mtt_cleanup(dev->dev, &qp->mtt);
- if (is_user) {
+ if (udata) {
if (qp->rq.wqe_cnt) {
- struct mlx4_ib_ucontext *mcontext = !src ?
- to_mucontext(qp->ibqp.uobject->context) :
- to_mucontext(qp->ibwq.uobject->context);
+ struct mlx4_ib_ucontext *mcontext =
+ rdma_udata_to_drv_context(
+ udata,
+ struct mlx4_ib_ucontext,
+ ibucontext);
+
mlx4_ib_db_unmap_user(mcontext, &qp->db);
}
ib_umem_release(qp->umem);
return ibqp;
}
-static int _mlx4_ib_destroy_qp(struct ib_qp *qp)
+static int _mlx4_ib_destroy_qp(struct ib_qp *qp, struct ib_udata *udata)
{
struct mlx4_ib_dev *dev = to_mdev(qp->device);
struct mlx4_ib_qp *mqp = to_mqp(qp);
if (qp->rwq_ind_tbl) {
destroy_qp_rss(dev, mqp);
} else {
- destroy_qp_common(dev, mqp, MLX4_IB_QP_SRC, qp->uobject);
+ destroy_qp_common(dev, mqp, MLX4_IB_QP_SRC, udata);
}
if (is_sqp(dev, mqp))
return 0;
}
-int mlx4_ib_destroy_qp(struct ib_qp *qp)
+int mlx4_ib_destroy_qp(struct ib_qp *qp, struct ib_udata *udata)
{
struct mlx4_ib_qp *mqp = to_mqp(qp);
ib_destroy_qp(sqp->roce_v2_gsi);
}
- return _mlx4_ib_destroy_qp(qp);
+ return _mlx4_ib_destroy_qp(qp, udata);
}
static int to_mlx4_st(struct mlx4_ib_dev *dev, enum mlx4_ib_qp_type type)
if (is_eth) {
gid_attr = attr->ah_attr.grh.sgid_attr;
- vlan = rdma_vlan_dev_vlan_id(gid_attr->ndev);
- memcpy(smac, gid_attr->ndev->dev_addr, ETH_ALEN);
+ err = rdma_read_gid_l2_fields(gid_attr, &vlan,
+ &smac[0]);
+ if (err)
+ goto out;
}
if (mlx4_set_path(dev, attr, attr_mask, qp, &context->pri_path,
return err;
}
-int mlx4_ib_destroy_wq(struct ib_wq *ibwq)
+int mlx4_ib_destroy_wq(struct ib_wq *ibwq, struct ib_udata *udata)
{
struct mlx4_ib_dev *dev = to_mdev(ibwq->device);
struct mlx4_ib_qp *qp = to_mqp((struct ib_qp *)ibwq);
if (qp->counter_index)
mlx4_ib_free_qp_counter(dev, qp);
- destroy_qp_common(dev, qp, MLX4_IB_RWQ_SRC, 1);
+ destroy_qp_common(dev, qp, MLX4_IB_RWQ_SRC, udata);
kfree(qp);
}
}
-struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd,
- struct ib_srq_init_attr *init_attr,
- struct ib_udata *udata)
+int mlx4_ib_create_srq(struct ib_srq *ib_srq,
+ struct ib_srq_init_attr *init_attr,
+ struct ib_udata *udata)
{
- struct mlx4_ib_dev *dev = to_mdev(pd->device);
+ struct mlx4_ib_dev *dev = to_mdev(ib_srq->device);
struct mlx4_ib_ucontext *ucontext = rdma_udata_to_drv_context(
udata, struct mlx4_ib_ucontext, ibucontext);
- struct mlx4_ib_srq *srq;
+ struct mlx4_ib_srq *srq = to_msrq(ib_srq);
struct mlx4_wqe_srq_next_seg *next;
struct mlx4_wqe_data_seg *scatter;
u32 cqn;
/* Sanity check SRQ size before proceeding */
if (init_attr->attr.max_wr >= dev->dev->caps.max_srq_wqes ||
init_attr->attr.max_sge > dev->dev->caps.max_srq_sge)
- return ERR_PTR(-EINVAL);
-
- srq = kmalloc(sizeof *srq, GFP_KERNEL);
- if (!srq)
- return ERR_PTR(-ENOMEM);
+ return -EINVAL;
mutex_init(&srq->mutex);
spin_lock_init(&srq->lock);
if (udata) {
struct mlx4_ib_create_srq ucmd;
- if (ib_copy_from_udata(&ucmd, udata, sizeof ucmd)) {
- err = -EFAULT;
- goto err_srq;
- }
+ if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd)))
+ return -EFAULT;
srq->umem = ib_umem_get(udata, ucmd.buf_addr, buf_size, 0, 0);
- if (IS_ERR(srq->umem)) {
- err = PTR_ERR(srq->umem);
- goto err_srq;
- }
+ if (IS_ERR(srq->umem))
+ return PTR_ERR(srq->umem);
err = mlx4_mtt_init(dev->dev, ib_umem_page_count(srq->umem),
srq->umem->page_shift, &srq->mtt);
if (err)
goto err_mtt;
- err = mlx4_ib_db_map_user(ucontext, udata, ucmd.db_addr,
- &srq->db);
+ err = mlx4_ib_db_map_user(udata, ucmd.db_addr, &srq->db);
if (err)
goto err_mtt;
} else {
err = mlx4_db_alloc(dev->dev, &srq->db, 0);
if (err)
- goto err_srq;
+ return err;
*srq->db.db = 0;
xrcdn = (init_attr->srq_type == IB_SRQT_XRC) ?
to_mxrcd(init_attr->ext.xrc.xrcd)->xrcdn :
(u16) dev->dev->caps.reserved_xrcds;
- err = mlx4_srq_alloc(dev->dev, to_mpd(pd)->pdn, cqn, xrcdn, &srq->mtt,
- srq->db.dma, &srq->msrq);
+ err = mlx4_srq_alloc(dev->dev, to_mpd(ib_srq->pd)->pdn, cqn, xrcdn,
+ &srq->mtt, srq->db.dma, &srq->msrq);
if (err)
goto err_wrid;
init_attr->attr.max_wr = srq->msrq.max - 1;
- return &srq->ibsrq;
+ return 0;
err_wrid:
if (udata)
if (!udata)
mlx4_db_free(dev->dev, &srq->db);
-err_srq:
- kfree(srq);
-
- return ERR_PTR(err);
+ return err;
}
int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
return 0;
}
-int mlx4_ib_destroy_srq(struct ib_srq *srq)
+void mlx4_ib_destroy_srq(struct ib_srq *srq, struct ib_udata *udata)
{
struct mlx4_ib_dev *dev = to_mdev(srq->device);
struct mlx4_ib_srq *msrq = to_msrq(srq);
mlx4_srq_free(dev->dev, &msrq->msrq);
mlx4_mtt_cleanup(dev->dev, &msrq->mtt);
- if (srq->uobject) {
- mlx4_ib_db_unmap_user(to_mucontext(srq->uobject->context), &msrq->db);
+ if (udata) {
+ mlx4_ib_db_unmap_user(
+ rdma_udata_to_drv_context(
+ udata,
+ struct mlx4_ib_ucontext,
+ ibucontext),
+ &msrq->db);
ib_umem_release(msrq->umem);
} else {
kvfree(msrq->wrid);
&msrq->buf);
mlx4_db_free(dev->dev, &msrq->db);
}
-
- kfree(msrq);
-
- return 0;
}
void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index)
#include "mlx5_ib.h"
-static struct ib_ah *create_ib_ah(struct mlx5_ib_dev *dev,
- struct mlx5_ib_ah *ah,
- struct rdma_ah_attr *ah_attr)
+static void create_ib_ah(struct mlx5_ib_dev *dev, struct mlx5_ib_ah *ah,
+ struct rdma_ah_attr *ah_attr)
{
enum ib_gid_type gid_type;
ah->av.fl_mlid = rdma_ah_get_path_bits(ah_attr) & 0x7f;
ah->av.stat_rate_sl |= (rdma_ah_get_sl(ah_attr) & 0xf);
}
-
- return &ah->ibah;
}
-struct ib_ah *mlx5_ib_create_ah(struct ib_pd *pd, struct rdma_ah_attr *ah_attr,
- u32 flags, struct ib_udata *udata)
+int mlx5_ib_create_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr,
+ u32 flags, struct ib_udata *udata)
{
- struct mlx5_ib_ah *ah;
- struct mlx5_ib_dev *dev = to_mdev(pd->device);
+ struct mlx5_ib_ah *ah = to_mah(ibah);
+ struct mlx5_ib_dev *dev = to_mdev(ibah->device);
enum rdma_ah_attr_type ah_type = ah_attr->type;
if ((ah_type == RDMA_AH_ATTR_TYPE_ROCE) &&
!(rdma_ah_get_ah_flags(ah_attr) & IB_AH_GRH))
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
if (ah_type == RDMA_AH_ATTR_TYPE_ROCE && udata) {
int err;
sizeof(resp.dmac);
if (udata->outlen < min_resp_len)
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
resp.response_length = min_resp_len;
memcpy(resp.dmac, ah_attr->roce.dmac, ETH_ALEN);
err = ib_copy_to_udata(udata, &resp, resp.response_length);
if (err)
- return ERR_PTR(err);
+ return err;
}
- ah = kzalloc(sizeof(*ah), GFP_ATOMIC);
- if (!ah)
- return ERR_PTR(-ENOMEM);
-
- return create_ib_ah(dev, ah, ah_attr); /* never fails */
+ create_ib_ah(dev, ah, ah_attr);
+ return 0;
}
int mlx5_ib_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr)
return 0;
}
-int mlx5_ib_destroy_ah(struct ib_ah *ah, u32 flags)
+void mlx5_ib_destroy_ah(struct ib_ah *ah, u32 flags)
{
- kfree(to_mah(ah));
- return 0;
+ return;
}
return mlx5_cmd_exec(dev, in, in_size, out, sizeof(out));
}
-int mlx5_cmd_alloc_memic(struct mlx5_memic *memic, phys_addr_t *addr,
- u64 length, u32 alignment)
+int mlx5_cmd_alloc_memic(struct mlx5_dm *dm, phys_addr_t *addr,
+ u64 length, u32 alignment)
{
- struct mlx5_core_dev *dev = memic->dev;
+ struct mlx5_core_dev *dev = dm->dev;
u64 num_memic_hw_pages = MLX5_CAP_DEV_MEM(dev, memic_bar_size)
>> PAGE_SHIFT;
u64 hw_start_addr = MLX5_CAP64_DEV_MEM(dev, memic_bar_start_addr);
mlx5_alignment);
while (page_idx < num_memic_hw_pages) {
- spin_lock(&memic->memic_lock);
- page_idx = bitmap_find_next_zero_area(memic->memic_alloc_pages,
+ spin_lock(&dm->lock);
+ page_idx = bitmap_find_next_zero_area(dm->memic_alloc_pages,
num_memic_hw_pages,
page_idx,
num_pages, 0);
if (page_idx < num_memic_hw_pages)
- bitmap_set(memic->memic_alloc_pages,
+ bitmap_set(dm->memic_alloc_pages,
page_idx, num_pages);
- spin_unlock(&memic->memic_lock);
+ spin_unlock(&dm->lock);
if (page_idx >= num_memic_hw_pages)
break;
ret = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
if (ret) {
- spin_lock(&memic->memic_lock);
- bitmap_clear(memic->memic_alloc_pages,
+ spin_lock(&dm->lock);
+ bitmap_clear(dm->memic_alloc_pages,
page_idx, num_pages);
- spin_unlock(&memic->memic_lock);
+ spin_unlock(&dm->lock);
if (ret == -EAGAIN) {
page_idx++;
return -ENOMEM;
}
-int mlx5_cmd_dealloc_memic(struct mlx5_memic *memic, u64 addr, u64 length)
+int mlx5_cmd_dealloc_memic(struct mlx5_dm *dm, phys_addr_t addr, u64 length)
{
- struct mlx5_core_dev *dev = memic->dev;
+ struct mlx5_core_dev *dev = dm->dev;
u64 hw_start_addr = MLX5_CAP64_DEV_MEM(dev, memic_bar_start_addr);
u32 num_pages = DIV_ROUND_UP(length, PAGE_SIZE);
u32 out[MLX5_ST_SZ_DW(dealloc_memic_out)] = {0};
err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
if (!err) {
- spin_lock(&memic->memic_lock);
- bitmap_clear(memic->memic_alloc_pages,
+ spin_lock(&dm->lock);
+ bitmap_clear(dm->memic_alloc_pages,
start_page_idx, num_pages);
- spin_unlock(&memic->memic_lock);
+ spin_unlock(&dm->lock);
}
return err;
}
+int mlx5_cmd_alloc_sw_icm(struct mlx5_dm *dm, int type, u64 length,
+ u16 uid, phys_addr_t *addr, u32 *obj_id)
+{
+ struct mlx5_core_dev *dev = dm->dev;
+ u32 num_blocks = DIV_ROUND_UP(length, MLX5_SW_ICM_BLOCK_SIZE(dev));
+ u32 out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {};
+ u32 in[MLX5_ST_SZ_DW(create_sw_icm_in)] = {};
+ unsigned long *block_map;
+ u64 icm_start_addr;
+ u32 log_icm_size;
+ u32 max_blocks;
+ u64 block_idx;
+ void *sw_icm;
+ int ret;
+
+ MLX5_SET(general_obj_in_cmd_hdr, in, opcode,
+ MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
+ MLX5_SET(general_obj_in_cmd_hdr, in, obj_type, MLX5_OBJ_TYPE_SW_ICM);
+ MLX5_SET(general_obj_in_cmd_hdr, in, uid, uid);
+
+ switch (type) {
+ case MLX5_IB_UAPI_DM_TYPE_STEERING_SW_ICM:
+ icm_start_addr = MLX5_CAP64_DEV_MEM(dev,
+ steering_sw_icm_start_address);
+ log_icm_size = MLX5_CAP_DEV_MEM(dev, log_steering_sw_icm_size);
+ block_map = dm->steering_sw_icm_alloc_blocks;
+ break;
+ case MLX5_IB_UAPI_DM_TYPE_HEADER_MODIFY_SW_ICM:
+ icm_start_addr = MLX5_CAP64_DEV_MEM(dev,
+ header_modify_sw_icm_start_address);
+ log_icm_size = MLX5_CAP_DEV_MEM(dev,
+ log_header_modify_sw_icm_size);
+ block_map = dm->header_modify_sw_icm_alloc_blocks;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ max_blocks = BIT(log_icm_size - MLX5_LOG_SW_ICM_BLOCK_SIZE(dev));
+ spin_lock(&dm->lock);
+ block_idx = bitmap_find_next_zero_area(block_map,
+ max_blocks,
+ 0,
+ num_blocks, 0);
+
+ if (block_idx < max_blocks)
+ bitmap_set(block_map,
+ block_idx, num_blocks);
+
+ spin_unlock(&dm->lock);
+
+ if (block_idx >= max_blocks)
+ return -ENOMEM;
+
+ sw_icm = MLX5_ADDR_OF(create_sw_icm_in, in, sw_icm);
+ icm_start_addr += block_idx << MLX5_LOG_SW_ICM_BLOCK_SIZE(dev);
+ MLX5_SET64(sw_icm, sw_icm, sw_icm_start_addr,
+ icm_start_addr);
+ MLX5_SET(sw_icm, sw_icm, log_sw_icm_size, ilog2(length));
+
+ ret = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ if (ret) {
+ spin_lock(&dm->lock);
+ bitmap_clear(block_map,
+ block_idx, num_blocks);
+ spin_unlock(&dm->lock);
+
+ return ret;
+ }
+
+ *addr = icm_start_addr;
+ *obj_id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
+
+ return 0;
+}
+
+int mlx5_cmd_dealloc_sw_icm(struct mlx5_dm *dm, int type, u64 length,
+ u16 uid, phys_addr_t addr, u32 obj_id)
+{
+ struct mlx5_core_dev *dev = dm->dev;
+ u32 num_blocks = DIV_ROUND_UP(length, MLX5_SW_ICM_BLOCK_SIZE(dev));
+ u32 out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {};
+ u32 in[MLX5_ST_SZ_DW(general_obj_in_cmd_hdr)] = {};
+ unsigned long *block_map;
+ u64 start_idx;
+ int err;
+
+ switch (type) {
+ case MLX5_IB_UAPI_DM_TYPE_STEERING_SW_ICM:
+ start_idx =
+ (addr - MLX5_CAP64_DEV_MEM(
+ dev, steering_sw_icm_start_address)) >>
+ MLX5_LOG_SW_ICM_BLOCK_SIZE(dev);
+ block_map = dm->steering_sw_icm_alloc_blocks;
+ break;
+ case MLX5_IB_UAPI_DM_TYPE_HEADER_MODIFY_SW_ICM:
+ start_idx =
+ (addr -
+ MLX5_CAP64_DEV_MEM(
+ dev, header_modify_sw_icm_start_address)) >>
+ MLX5_LOG_SW_ICM_BLOCK_SIZE(dev);
+ block_map = dm->header_modify_sw_icm_alloc_blocks;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ MLX5_SET(general_obj_in_cmd_hdr, in, opcode,
+ MLX5_CMD_OP_DESTROY_GENERAL_OBJECT);
+ MLX5_SET(general_obj_in_cmd_hdr, in, obj_type, MLX5_OBJ_TYPE_SW_ICM);
+ MLX5_SET(general_obj_in_cmd_hdr, in, obj_id, obj_id);
+ MLX5_SET(general_obj_in_cmd_hdr, in, uid, uid);
+
+ err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ if (err)
+ return err;
+
+ spin_lock(&dm->lock);
+ bitmap_clear(block_map,
+ start_idx, num_blocks);
+ spin_unlock(&dm->lock);
+
+ return 0;
+}
+
int mlx5_cmd_query_ext_ppcnt_counters(struct mlx5_core_dev *dev, void *out)
{
u32 in[MLX5_ST_SZ_DW(ppcnt_reg)] = {};
int mlx5_cmd_query_ext_ppcnt_counters(struct mlx5_core_dev *dev, void *out);
int mlx5_cmd_modify_cong_params(struct mlx5_core_dev *mdev,
void *in, int in_size);
-int mlx5_cmd_alloc_memic(struct mlx5_memic *memic, phys_addr_t *addr,
+int mlx5_cmd_alloc_memic(struct mlx5_dm *dm, phys_addr_t *addr,
u64 length, u32 alignment);
-int mlx5_cmd_dealloc_memic(struct mlx5_memic *memic, u64 addr, u64 length);
+int mlx5_cmd_dealloc_memic(struct mlx5_dm *dm, phys_addr_t addr, u64 length);
void mlx5_cmd_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn, u16 uid);
void mlx5_cmd_destroy_tir(struct mlx5_core_dev *dev, u32 tirn, u16 uid);
void mlx5_cmd_destroy_tis(struct mlx5_core_dev *dev, u32 tisn, u16 uid);
u16 uid);
int mlx5_cmd_mad_ifc(struct mlx5_core_dev *dev, const void *inb, void *outb,
u16 opmod, u8 port);
+int mlx5_cmd_alloc_sw_icm(struct mlx5_dm *dm, int type, u64 length,
+ u16 uid, phys_addr_t *addr, u32 *obj_id);
+int mlx5_cmd_dealloc_sw_icm(struct mlx5_dm *dm, int type, u64 length,
+ u16 uid, phys_addr_t addr, u32 obj_id);
#endif /* MLX5_IB_CMD_H */
}
static int create_cq_user(struct mlx5_ib_dev *dev, struct ib_udata *udata,
- struct ib_ucontext *context, struct mlx5_ib_cq *cq,
- int entries, u32 **cqb,
+ struct mlx5_ib_cq *cq, int entries, u32 **cqb,
int *cqe_size, int *index, int *inlen)
{
struct mlx5_ib_create_cq ucmd = {};
int ncont;
void *cqc;
int err;
+ struct mlx5_ib_ucontext *context = rdma_udata_to_drv_context(
+ udata, struct mlx5_ib_ucontext, ibucontext);
ucmdlen = udata->inlen < sizeof(ucmd) ?
(sizeof(ucmd) - sizeof(ucmd.flags)) : sizeof(ucmd);
return err;
}
- err = mlx5_ib_db_map_user(to_mucontext(context), udata, ucmd.db_addr,
- &cq->db);
+ err = mlx5_ib_db_map_user(context, udata, ucmd.db_addr, &cq->db);
if (err)
goto err_umem;
MLX5_SET(cqc, cqc, log_page_size,
page_shift - MLX5_ADAPTER_PAGE_SHIFT);
- *index = to_mucontext(context)->bfregi.sys_pages[0];
+ *index = context->bfregi.sys_pages[0];
if (ucmd.cqe_comp_en == 1) {
int mini_cqe_format;
cq->private_flags |= MLX5_IB_CQ_PR_FLAGS_CQE_128_PAD;
}
- MLX5_SET(create_cq_in, *cqb, uid, to_mucontext(context)->devx_uid);
+ MLX5_SET(create_cq_in, *cqb, uid, context->devx_uid);
return 0;
err_cqb:
kvfree(*cqb);
err_db:
- mlx5_ib_db_unmap_user(to_mucontext(context), &cq->db);
+ mlx5_ib_db_unmap_user(context, &cq->db);
err_umem:
ib_umem_release(cq->buf.umem);
return err;
}
-static void destroy_cq_user(struct mlx5_ib_cq *cq, struct ib_ucontext *context)
+static void destroy_cq_user(struct mlx5_ib_cq *cq, struct ib_udata *udata)
{
- mlx5_ib_db_unmap_user(to_mucontext(context), &cq->db);
+ struct mlx5_ib_ucontext *context = rdma_udata_to_drv_context(
+ udata, struct mlx5_ib_ucontext, ibucontext);
+
+ mlx5_ib_db_unmap_user(context, &cq->db);
ib_umem_release(cq->buf.umem);
}
struct ib_cq *mlx5_ib_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,
- struct ib_ucontext *context,
struct ib_udata *udata)
{
int entries = attr->cqe;
INIT_LIST_HEAD(&cq->list_send_qp);
INIT_LIST_HEAD(&cq->list_recv_qp);
- if (context) {
- err = create_cq_user(dev, udata, context, cq, entries,
- &cqb, &cqe_size, &index, &inlen);
+ if (udata) {
+ err = create_cq_user(dev, udata, cq, entries, &cqb, &cqe_size,
+ &index, &inlen);
if (err)
goto err_create;
} else {
mlx5_ib_dbg(dev, "cqn 0x%x\n", cq->mcq.cqn);
cq->mcq.irqn = irqn;
- if (context)
+ if (udata)
cq->mcq.tasklet_ctx.comp = mlx5_ib_cq_comp;
else
cq->mcq.comp = mlx5_ib_cq_comp;
INIT_LIST_HEAD(&cq->wc_list);
- if (context)
+ if (udata)
if (ib_copy_to_udata(udata, &cq->mcq.cqn, sizeof(__u32))) {
err = -EFAULT;
goto err_cmd;
err_cqb:
kvfree(cqb);
- if (context)
- destroy_cq_user(cq, context);
+ if (udata)
+ destroy_cq_user(cq, udata);
else
destroy_cq_kernel(dev, cq);
return ERR_PTR(err);
}
-
-int mlx5_ib_destroy_cq(struct ib_cq *cq)
+int mlx5_ib_destroy_cq(struct ib_cq *cq, struct ib_udata *udata)
{
struct mlx5_ib_dev *dev = to_mdev(cq->device);
struct mlx5_ib_cq *mcq = to_mcq(cq);
- struct ib_ucontext *context = NULL;
-
- if (cq->uobject)
- context = cq->uobject->context;
mlx5_core_destroy_cq(dev->mdev, &mcq->mcq);
- if (context)
- destroy_cq_user(mcq, context);
+ if (udata)
+ destroy_cq_user(mcq, udata);
else
destroy_cq_kernel(dev, mcq);
if (is_user && capable(CAP_NET_RAW) &&
(MLX5_CAP_GEN(dev->mdev, uctx_cap) & MLX5_UCTX_CAP_RAW_TX))
cap |= MLX5_UCTX_CAP_RAW_TX;
+ if (is_user && capable(CAP_SYS_RAWIO) &&
+ (MLX5_CAP_GEN(dev->mdev, uctx_cap) &
+ MLX5_UCTX_CAP_INTERNAL_DEV_RES))
+ cap |= MLX5_UCTX_CAP_INTERNAL_DEV_RES;
MLX5_SET(create_uctx_in, in, opcode, MLX5_CMD_OP_CREATE_UCTX);
MLX5_SET(uctx, uctx, cap, cap);
return obj_id;
}
-static bool devx_is_valid_obj_id(struct ib_uobject *uobj, const void *in)
+static bool devx_is_valid_obj_id(struct uverbs_attr_bundle *attrs,
+ struct ib_uobject *uobj, const void *in)
{
+ struct mlx5_ib_dev *dev = mlx5_udata_to_mdev(&attrs->driver_udata);
u64 obj_id = devx_get_obj_id(in);
if (!obj_id)
case UVERBS_OBJECT_SRQ:
{
struct mlx5_core_srq *srq = &(to_msrq(uobj->object)->msrq);
- struct mlx5_ib_dev *dev = to_mdev(uobj->context->device);
u16 opcode;
switch (srq->common.res) {
switch (opcode) {
case MLX5_CMD_OP_QUERY_HCA_CAP:
case MLX5_CMD_OP_QUERY_HCA_VPORT_CONTEXT:
+ case MLX5_CMD_OP_QUERY_ESW_VPORT_CONTEXT:
return true;
default:
return false;
switch (opcode) {
case MLX5_CMD_OP_QUERY_HCA_CAP:
case MLX5_CMD_OP_QUERY_HCA_VPORT_CONTEXT:
+ case MLX5_CMD_OP_QUERY_ESW_VPORT_CONTEXT:
case MLX5_CMD_OP_QUERY_VPORT_STATE:
case MLX5_CMD_OP_QUERY_ADAPTER:
case MLX5_CMD_OP_QUERY_ISSI:
}
static int devx_obj_cleanup(struct ib_uobject *uobject,
- enum rdma_remove_reason why)
+ enum rdma_remove_reason why,
+ struct uverbs_attr_bundle *attrs)
{
u32 out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)];
struct devx_obj *obj = uobject->object;
return ret;
if (obj->flags & DEVX_OBJ_FLAGS_INDIRECT_MKEY) {
- struct mlx5_ib_dev *dev = to_mdev(uobject->context->device);
+ struct mlx5_ib_dev *dev =
+ mlx5_udata_to_mdev(&attrs->driver_udata);
call_srcu(&dev->mr_srcu, &obj->devx_mr.rcu,
devx_free_indirect_mkey);
if (!devx_is_obj_modify_cmd(cmd_in))
return -EINVAL;
- if (!devx_is_valid_obj_id(uobj, cmd_in))
+ if (!devx_is_valid_obj_id(attrs, uobj, cmd_in))
return -EINVAL;
cmd_out = uverbs_zalloc(attrs, cmd_out_len);
if (!devx_is_obj_query_cmd(cmd_in))
return -EINVAL;
- if (!devx_is_valid_obj_id(uobj, cmd_in))
+ if (!devx_is_valid_obj_id(attrs, uobj, cmd_in))
return -EINVAL;
cmd_out = uverbs_zalloc(attrs, cmd_out_len);
struct ib_uobject *uobj = uverbs_attr_get_uobject(
attrs, MLX5_IB_ATTR_DEVX_ASYNC_CMD_FD_ALLOC_HANDLE);
- struct mlx5_ib_dev *mdev = to_mdev(uobj->context->device);
+ struct mlx5_ib_dev *mdev = mlx5_udata_to_mdev(&attrs->driver_udata);
ev_file = container_of(uobj, struct devx_async_cmd_event_file,
uobj);
if (err)
return err;
- if (!devx_is_valid_obj_id(uobj, cmd_in))
+ if (!devx_is_valid_obj_id(attrs, uobj, cmd_in))
return -EINVAL;
fd_uobj = uverbs_attr_get_uobject(attrs,
}
static int devx_umem_cleanup(struct ib_uobject *uobject,
- enum rdma_remove_reason why)
+ enum rdma_remove_reason why,
+ struct uverbs_attr_bundle *attrs)
{
struct devx_umem *obj = uobject->object;
u32 out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)];
return pollflags;
}
-const struct file_operations devx_async_cmd_event_fops = {
+static const struct file_operations devx_async_cmd_event_fops = {
.owner = THIS_MODULE,
.read = devx_async_cmd_event_read,
.poll = devx_async_cmd_event_poll,
{
struct mlx5_ib_dev *dev = to_mdev(device);
- return !dev->rep && MLX5_CAP_GEN(dev->mdev, log_max_uctx);
+ return MLX5_CAP_GEN(dev->mdev, log_max_uctx);
}
const struct uapi_definition mlx5_ib_devx_defs[] = {
case MLX5_IB_UAPI_FLOW_TABLE_TYPE_NIC_TX:
*namespace = MLX5_FLOW_NAMESPACE_EGRESS;
break;
+ case MLX5_IB_UAPI_FLOW_TABLE_TYPE_FDB:
+ *namespace = MLX5_FLOW_NAMESPACE_FDB;
+ break;
default:
return -EINVAL;
}
struct ib_qp *qp = NULL;
struct ib_uobject *uobj =
uverbs_attr_get_uobject(attrs, MLX5_IB_ATTR_CREATE_FLOW_HANDLE);
- struct mlx5_ib_dev *dev = to_mdev(uobj->context->device);
+ struct mlx5_ib_dev *dev = mlx5_udata_to_mdev(&attrs->driver_udata);
int len, ret, i;
u32 counter_id = 0;
((dest_devx && dest_qp) || (!dest_devx && !dest_qp)))
return -EINVAL;
+ /* Allow only DEVX object as dest when inserting to FDB */
+ if (fs_matcher->ns_type == MLX5_FLOW_NAMESPACE_FDB && !dest_devx)
+ return -EINVAL;
+
if (dest_devx) {
devx_obj = uverbs_attr_get_obj(
attrs, MLX5_IB_ATTR_CREATE_FLOW_DEST_DEVX);
*/
if (!mlx5_ib_devx_is_flow_dest(devx_obj, &dest_id, &dest_type))
return -EINVAL;
+ /* Allow only flow table as dest when inserting to FDB */
+ if (fs_matcher->ns_type == MLX5_FLOW_NAMESPACE_FDB &&
+ dest_type != MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE)
+ return -EINVAL;
} else if (dest_qp) {
struct mlx5_ib_qp *mqp;
}
static int flow_matcher_cleanup(struct ib_uobject *uobject,
- enum rdma_remove_reason why)
+ enum rdma_remove_reason why,
+ struct uverbs_attr_bundle *attrs)
{
struct mlx5_ib_flow_matcher *obj = uobject->object;
int ret;
return 0;
}
+static int mlx5_ib_matcher_ns(struct uverbs_attr_bundle *attrs,
+ struct mlx5_ib_flow_matcher *obj)
+{
+ enum mlx5_ib_uapi_flow_table_type ft_type =
+ MLX5_IB_UAPI_FLOW_TABLE_TYPE_NIC_RX;
+ u32 flags;
+ int err;
+
+ /* New users should use MLX5_IB_ATTR_FLOW_MATCHER_FT_TYPE and older
+ * users should switch to it. We leave this to not break userspace
+ */
+ if (uverbs_attr_is_valid(attrs, MLX5_IB_ATTR_FLOW_MATCHER_FT_TYPE) &&
+ uverbs_attr_is_valid(attrs, MLX5_IB_ATTR_FLOW_MATCHER_FLOW_FLAGS))
+ return -EINVAL;
+
+ if (uverbs_attr_is_valid(attrs, MLX5_IB_ATTR_FLOW_MATCHER_FT_TYPE)) {
+ err = uverbs_get_const(&ft_type, attrs,
+ MLX5_IB_ATTR_FLOW_MATCHER_FT_TYPE);
+ if (err)
+ return err;
+
+ err = mlx5_ib_ft_type_to_namespace(ft_type, &obj->ns_type);
+ if (err)
+ return err;
+
+ return 0;
+ }
+
+ if (uverbs_attr_is_valid(attrs, MLX5_IB_ATTR_FLOW_MATCHER_FLOW_FLAGS)) {
+ err = uverbs_get_flags32(&flags, attrs,
+ MLX5_IB_ATTR_FLOW_MATCHER_FLOW_FLAGS,
+ IB_FLOW_ATTR_FLAGS_EGRESS);
+ if (err)
+ return err;
+
+ if (flags) {
+ mlx5_ib_ft_type_to_namespace(
+ MLX5_IB_UAPI_FLOW_TABLE_TYPE_NIC_TX,
+ &obj->ns_type);
+ return 0;
+ }
+ }
+
+ obj->ns_type = MLX5_FLOW_NAMESPACE_BYPASS;
+
+ return 0;
+}
+
static int UVERBS_HANDLER(MLX5_IB_METHOD_FLOW_MATCHER_CREATE)(
struct uverbs_attr_bundle *attrs)
{
struct ib_uobject *uobj = uverbs_attr_get_uobject(
attrs, MLX5_IB_ATTR_FLOW_MATCHER_CREATE_HANDLE);
- struct mlx5_ib_dev *dev = to_mdev(uobj->context->device);
+ struct mlx5_ib_dev *dev = mlx5_udata_to_mdev(&attrs->driver_udata);
struct mlx5_ib_flow_matcher *obj;
- u32 flags;
int err;
obj = kzalloc(sizeof(struct mlx5_ib_flow_matcher), GFP_KERNEL);
if (!obj)
return -ENOMEM;
- obj->ns_type = MLX5_FLOW_NAMESPACE_BYPASS;
obj->mask_len = uverbs_attr_get_len(
attrs, MLX5_IB_ATTR_FLOW_MATCHER_MATCH_MASK);
err = uverbs_copy_from(&obj->matcher_mask,
if (err)
goto end;
- err = uverbs_get_flags32(&flags, attrs,
- MLX5_IB_ATTR_FLOW_MATCHER_FLOW_FLAGS,
- IB_FLOW_ATTR_FLAGS_EGRESS);
+ err = mlx5_ib_matcher_ns(attrs, obj);
if (err)
goto end;
- if (flags) {
- err = mlx5_ib_ft_type_to_namespace(
- MLX5_IB_UAPI_FLOW_TABLE_TYPE_NIC_TX, &obj->ns_type);
- if (err)
- goto end;
- }
-
uobj->object = obj;
obj->mdev = dev->mdev;
atomic_set(&obj->usecnt, 0);
{
struct ib_uobject *uobj = uverbs_attr_get_uobject(
attrs, MLX5_IB_ATTR_CREATE_MODIFY_HEADER_HANDLE);
- struct mlx5_ib_dev *mdev = to_mdev(uobj->context->device);
+ struct mlx5_ib_dev *mdev = mlx5_udata_to_mdev(&attrs->driver_udata);
enum mlx5_ib_uapi_flow_table_type ft_type;
struct ib_flow_action *action;
int num_actions;
if (IS_ERR(action))
return PTR_ERR(action);
- uverbs_flow_action_fill_action(action, uobj, uobj->context->device,
+ uverbs_flow_action_fill_action(action, uobj, &mdev->ib_dev,
IB_FLOW_ACTION_UNSPECIFIED);
return 0;
{
struct ib_uobject *uobj = uverbs_attr_get_uobject(attrs,
MLX5_IB_ATTR_CREATE_PACKET_REFORMAT_HANDLE);
- struct mlx5_ib_dev *mdev = to_mdev(uobj->context->device);
+ struct mlx5_ib_dev *mdev = mlx5_udata_to_mdev(&attrs->driver_udata);
enum mlx5_ib_uapi_flow_action_packet_reformat_type dv_prt;
enum mlx5_ib_uapi_flow_table_type ft_type;
struct mlx5_ib_flow_action *maction;
goto free_maction;
}
- uverbs_flow_action_fill_action(&maction->ib_action, uobj,
- uobj->context->device,
+ uverbs_flow_action_fill_action(&maction->ib_action, uobj, &mdev->ib_dev,
IB_FLOW_ACTION_UNSPECIFIED);
return 0;
UA_MANDATORY),
UVERBS_ATTR_FLAGS_IN(MLX5_IB_ATTR_FLOW_MATCHER_FLOW_FLAGS,
enum ib_flow_flags,
+ UA_OPTIONAL),
+ UVERBS_ATTR_CONST_IN(MLX5_IB_ATTR_FLOW_MATCHER_FT_TYPE,
+ enum mlx5_ib_uapi_flow_table_type,
UA_OPTIONAL));
DECLARE_UVERBS_NAMED_METHOD_DESTROY(
&UVERBS_METHOD(MLX5_IB_METHOD_FLOW_MATCHER_CREATE),
&UVERBS_METHOD(MLX5_IB_METHOD_FLOW_MATCHER_DESTROY));
-static bool flow_is_supported(struct ib_device *device)
-{
- return !to_mdev(device)->rep;
-}
-
const struct uapi_definition mlx5_ib_flow_defs[] = {
UAPI_DEF_CHAIN_OBJ_TREE_NAMED(
- MLX5_IB_OBJECT_FLOW_MATCHER,
- UAPI_DEF_IS_OBJ_SUPPORTED(flow_is_supported)),
+ MLX5_IB_OBJECT_FLOW_MATCHER),
UAPI_DEF_CHAIN_OBJ_TREE(
UVERBS_OBJECT_FLOW,
&mlx5_ib_fs),
#include "ib_rep.h"
#include "srq.h"
-static const struct mlx5_ib_profile vf_rep_profile = {
- STAGE_CREATE(MLX5_IB_STAGE_INIT,
- mlx5_ib_stage_init_init,
- mlx5_ib_stage_init_cleanup),
- STAGE_CREATE(MLX5_IB_STAGE_FLOW_DB,
- mlx5_ib_stage_rep_flow_db_init,
- NULL),
- STAGE_CREATE(MLX5_IB_STAGE_CAPS,
- mlx5_ib_stage_caps_init,
- NULL),
- STAGE_CREATE(MLX5_IB_STAGE_NON_DEFAULT_CB,
- mlx5_ib_stage_rep_non_default_cb,
- NULL),
- STAGE_CREATE(MLX5_IB_STAGE_ROCE,
- mlx5_ib_stage_rep_roce_init,
- mlx5_ib_stage_rep_roce_cleanup),
- STAGE_CREATE(MLX5_IB_STAGE_SRQ,
- mlx5_init_srq_table,
- mlx5_cleanup_srq_table),
- STAGE_CREATE(MLX5_IB_STAGE_DEVICE_RESOURCES,
- mlx5_ib_stage_dev_res_init,
- mlx5_ib_stage_dev_res_cleanup),
- STAGE_CREATE(MLX5_IB_STAGE_COUNTERS,
- mlx5_ib_stage_counters_init,
- mlx5_ib_stage_counters_cleanup),
- STAGE_CREATE(MLX5_IB_STAGE_BFREG,
- mlx5_ib_stage_bfrag_init,
- mlx5_ib_stage_bfrag_cleanup),
- STAGE_CREATE(MLX5_IB_STAGE_PRE_IB_REG_UMR,
- NULL,
- mlx5_ib_stage_pre_ib_reg_umr_cleanup),
- STAGE_CREATE(MLX5_IB_STAGE_IB_REG,
- mlx5_ib_stage_ib_reg_init,
- mlx5_ib_stage_ib_reg_cleanup),
- STAGE_CREATE(MLX5_IB_STAGE_POST_IB_REG_UMR,
- mlx5_ib_stage_post_ib_reg_umr_init,
- NULL),
-};
+static int
+mlx5_ib_set_vport_rep(struct mlx5_core_dev *dev, struct mlx5_eswitch_rep *rep)
+{
+ struct mlx5_ib_dev *ibdev;
+ int vport_index;
+
+ ibdev = mlx5_ib_get_uplink_ibdev(dev->priv.eswitch);
+ vport_index = ibdev->free_port++;
+
+ ibdev->port[vport_index].rep = rep;
+ write_lock(&ibdev->port[vport_index].roce.netdev_lock);
+ ibdev->port[vport_index].roce.netdev =
+ mlx5_ib_get_rep_netdev(dev->priv.eswitch, rep->vport);
+ write_unlock(&ibdev->port[vport_index].roce.netdev_lock);
+
+ return 0;
+}
static int
mlx5_ib_vport_rep_load(struct mlx5_core_dev *dev, struct mlx5_eswitch_rep *rep)
{
+ int num_ports = MLX5_TOTAL_VPORTS(dev);
const struct mlx5_ib_profile *profile;
struct mlx5_ib_dev *ibdev;
+ int vport_index;
if (rep->vport == MLX5_VPORT_UPLINK)
profile = &uplink_rep_profile;
else
- profile = &vf_rep_profile;
+ return mlx5_ib_set_vport_rep(dev, rep);
ibdev = ib_alloc_device(mlx5_ib_dev, ib_dev);
if (!ibdev)
return -ENOMEM;
- ibdev->rep = rep;
- ibdev->mdev = dev;
- ibdev->num_ports = max(MLX5_CAP_GEN(dev, num_ports),
- MLX5_CAP_GEN(dev, num_vhca_ports));
- if (!__mlx5_ib_add(ibdev, profile)) {
+ ibdev->port = kcalloc(num_ports, sizeof(*ibdev->port),
+ GFP_KERNEL);
+ if (!ibdev->port) {
ib_dealloc_device(&ibdev->ib_dev);
- return -EINVAL;
+ return -ENOMEM;
}
+ ibdev->is_rep = true;
+ vport_index = ibdev->free_port++;
+ ibdev->port[vport_index].rep = rep;
+ ibdev->port[vport_index].roce.netdev =
+ mlx5_ib_get_rep_netdev(dev->priv.eswitch, rep->vport);
+ ibdev->mdev = dev;
+ ibdev->num_ports = num_ports;
+
+ if (!__mlx5_ib_add(ibdev, profile))
+ return -EINVAL;
+
rep->rep_if[REP_IB].priv = ibdev;
return 0;
{
struct mlx5_ib_dev *dev;
- if (!rep->rep_if[REP_IB].priv)
+ if (!rep->rep_if[REP_IB].priv ||
+ rep->vport != MLX5_VPORT_UPLINK)
return;
dev = mlx5_ib_rep_to_dev(rep);
__mlx5_ib_remove(dev, dev->profile, MLX5_IB_STAGE_MAX);
rep->rep_if[REP_IB].priv = NULL;
- ib_dealloc_device(&dev->ib_dev);
}
static void *mlx5_ib_vport_get_proto_dev(struct mlx5_eswitch_rep *rep)
return mlx5_eswitch_vport_rep(esw, vport);
}
-int create_flow_rule_vport_sq(struct mlx5_ib_dev *dev,
- struct mlx5_ib_sq *sq)
+struct mlx5_flow_handle *create_flow_rule_vport_sq(struct mlx5_ib_dev *dev,
+ struct mlx5_ib_sq *sq,
+ u16 port)
{
- struct mlx5_flow_handle *flow_rule;
struct mlx5_eswitch *esw = dev->mdev->priv.eswitch;
+ struct mlx5_eswitch_rep *rep;
- if (!dev->rep)
- return 0;
+ if (!dev->is_rep || !port)
+ return NULL;
- flow_rule =
- mlx5_eswitch_add_send_to_vport_rule(esw,
- dev->rep->vport,
- sq->base.mqp.qpn);
- if (IS_ERR(flow_rule))
- return PTR_ERR(flow_rule);
- sq->flow_rule = flow_rule;
+ if (!dev->port[port - 1].rep)
+ return ERR_PTR(-EINVAL);
- return 0;
+ rep = dev->port[port - 1].rep;
+
+ return mlx5_eswitch_add_send_to_vport_rule(esw, rep->vport,
+ sq->base.mqp.qpn);
}
int vport_index);
void mlx5_ib_register_vport_reps(struct mlx5_core_dev *mdev);
void mlx5_ib_unregister_vport_reps(struct mlx5_core_dev *mdev);
-int create_flow_rule_vport_sq(struct mlx5_ib_dev *dev,
- struct mlx5_ib_sq *sq);
+struct mlx5_flow_handle *create_flow_rule_vport_sq(struct mlx5_ib_dev *dev,
+ struct mlx5_ib_sq *sq,
+ u16 port);
struct net_device *mlx5_ib_get_rep_netdev(struct mlx5_eswitch *esw,
int vport_index);
#else /* CONFIG_MLX5_ESWITCH */
static inline void mlx5_ib_register_vport_reps(struct mlx5_core_dev *mdev) {}
static inline void mlx5_ib_unregister_vport_reps(struct mlx5_core_dev *mdev) {}
-static inline int create_flow_rule_vport_sq(struct mlx5_ib_dev *dev,
- struct mlx5_ib_sq *sq)
+static inline
+struct mlx5_flow_handle *create_flow_rule_vport_sq(struct mlx5_ib_dev *dev,
+ struct mlx5_ib_sq *sq,
+ u16 port)
{
- return 0;
+ return NULL;
}
static inline
return ret;
}
+static struct mlx5_roce *mlx5_get_rep_roce(struct mlx5_ib_dev *dev,
+ struct net_device *ndev,
+ u8 *port_num)
+{
+ struct mlx5_eswitch *esw = dev->mdev->priv.eswitch;
+ struct net_device *rep_ndev;
+ struct mlx5_ib_port *port;
+ int i;
+
+ for (i = 0; i < dev->num_ports; i++) {
+ port = &dev->port[i];
+ if (!port->rep)
+ continue;
+
+ read_lock(&port->roce.netdev_lock);
+ rep_ndev = mlx5_ib_get_rep_netdev(esw,
+ port->rep->vport);
+ if (rep_ndev == ndev) {
+ read_unlock(&port->roce.netdev_lock);
+ *port_num = i + 1;
+ return &port->roce;
+ }
+ read_unlock(&port->roce.netdev_lock);
+ }
+
+ return NULL;
+}
+
static int mlx5_netdev_event(struct notifier_block *this,
unsigned long event, void *ptr)
{
switch (event) {
case NETDEV_REGISTER:
+ /* Should already be registered during the load */
+ if (ibdev->is_rep)
+ break;
write_lock(&roce->netdev_lock);
- if (ibdev->rep) {
- struct mlx5_eswitch *esw = ibdev->mdev->priv.eswitch;
- struct net_device *rep_ndev;
-
- rep_ndev = mlx5_ib_get_rep_netdev(esw,
- ibdev->rep->vport);
- if (rep_ndev == ndev)
- roce->netdev = ndev;
- } else if (ndev->dev.parent == mdev->device) {
+ if (ndev->dev.parent == mdev->device)
roce->netdev = ndev;
- }
write_unlock(&roce->netdev_lock);
break;
case NETDEV_UNREGISTER:
+ /* In case of reps, ib device goes away before the netdevs */
write_lock(&roce->netdev_lock);
if (roce->netdev == ndev)
roce->netdev = NULL;
dev_put(lag_ndev);
}
+ if (ibdev->is_rep)
+ roce = mlx5_get_rep_roce(ibdev, ndev, &port_num);
+ if (!roce)
+ return NOTIFY_DONE;
if ((upper == ndev || (!upper && ndev == roce->netdev))
&& ibdev->ib_active) {
struct ib_event ibev = { };
/* Ensure ndev does not disappear before we invoke dev_hold()
*/
- read_lock(&ibdev->roce[port_num - 1].netdev_lock);
- ndev = ibdev->roce[port_num - 1].netdev;
+ read_lock(&ibdev->port[port_num - 1].roce.netdev_lock);
+ ndev = ibdev->port[port_num - 1].roce.netdev;
if (ndev)
dev_hold(ndev);
- read_unlock(&ibdev->roce[port_num - 1].netdev_lock);
+ read_unlock(&ibdev->port[port_num - 1].roce.netdev_lock);
out:
mlx5_ib_put_native_port_mdev(ibdev, port_num);
/* Possible bad flows are checked before filling out props so in case
* of an error it will still be zeroed out.
+ * Use native port in case of reps
*/
- err = mlx5_query_port_ptys(mdev, out, sizeof(out), MLX5_PTYS_EN,
- mdev_port_num);
+ if (dev->is_rep)
+ err = mlx5_query_port_ptys(mdev, out, sizeof(out), MLX5_PTYS_EN,
+ 1);
+ else
+ err = mlx5_query_port_ptys(mdev, out, sizeof(out), MLX5_PTYS_EN,
+ mdev_port_num);
if (err)
goto out;
ext = MLX5_CAP_PCAM_FEATURE(dev->mdev, ptys_extended_ethernet);
return err;
}
-struct mlx5_ib_vlan_info {
- u16 vlan_id;
- bool vlan;
-};
-
-static int get_lower_dev_vlan(struct net_device *lower_dev, void *data)
-{
- struct mlx5_ib_vlan_info *vlan_info = data;
-
- if (is_vlan_dev(lower_dev)) {
- vlan_info->vlan = true;
- vlan_info->vlan_id = vlan_dev_vlan_id(lower_dev);
- }
- /* We are interested only in first level vlan device, so
- * always return 1 to stop iterating over next level devices.
- */
- return 1;
-}
-
static int set_roce_addr(struct mlx5_ib_dev *dev, u8 port_num,
unsigned int index, const union ib_gid *gid,
const struct ib_gid_attr *attr)
{
enum ib_gid_type gid_type = IB_GID_TYPE_IB;
- struct mlx5_ib_vlan_info vlan_info = { };
+ u16 vlan_id = 0xffff;
u8 roce_version = 0;
u8 roce_l3_type = 0;
u8 mac[ETH_ALEN];
+ int ret;
if (gid) {
gid_type = attr->gid_type;
- ether_addr_copy(mac, attr->ndev->dev_addr);
-
- if (is_vlan_dev(attr->ndev)) {
- vlan_info.vlan = true;
- vlan_info.vlan_id = vlan_dev_vlan_id(attr->ndev);
- } else {
- /* If the netdev is upper device and if it's lower
- * lower device is vlan device, consider vlan id of
- * the lower vlan device for this gid entry.
- */
- rcu_read_lock();
- netdev_walk_all_lower_dev_rcu(attr->ndev,
- get_lower_dev_vlan, &vlan_info);
- rcu_read_unlock();
- }
+ ret = rdma_read_gid_l2_fields(attr, &vlan_id, &mac[0]);
+ if (ret)
+ return ret;
}
switch (gid_type) {
return mlx5_core_roce_gid_set(dev->mdev, index, roce_version,
roce_l3_type, gid->raw, mac,
- vlan_info.vlan, vlan_info.vlan_id,
+ vlan_id < VLAN_CFI_MASK, vlan_id,
port_num);
}
{
int ret;
- /* Only link layer == ethernet is valid for representors */
+ /* Only link layer == ethernet is valid for representors
+ * and we always use port 1
+ */
ret = mlx5_query_port_roce(ibdev, port, props);
if (ret || !props)
return ret;
print_lib_caps(dev, context->lib_caps);
if (dev->lag_active) {
- u8 port = mlx5_core_native_port_num(dev->mdev);
+ u8 port = mlx5_core_native_port_num(dev->mdev) - 1;
atomic_set(&context->tx_port_affinity,
atomic_add_return(
- 1, &dev->roce[port].tx_port_affinity));
+ 1, &dev->port[port].roce.tx_port_affinity));
}
return 0;
struct vm_area_struct *vma,
struct mlx5_ib_ucontext *context)
{
- if (vma->vm_end - vma->vm_start != PAGE_SIZE)
+ if ((vma->vm_end - vma->vm_start != PAGE_SIZE) ||
+ !(vma->vm_flags & VM_SHARED))
return -EINVAL;
if (get_index(vma->vm_pgoff) != MLX5_IB_CLOCK_INFO_V1)
return -EOPNOTSUPP;
- if (vma->vm_flags & VM_WRITE)
+ if (vma->vm_flags & (VM_WRITE | VM_EXEC))
return -EPERM;
vma->vm_flags &= ~VM_MAYWRITE;
- if (!dev->mdev->clock_info_page)
+ if (!dev->mdev->clock_info)
return -EOPNOTSUPP;
- return rdma_user_mmap_page(&context->ibucontext, vma,
- dev->mdev->clock_info_page, PAGE_SIZE);
+ return vm_insert_page(vma, vma->vm_start,
+ virt_to_page(dev->mdev->clock_info));
}
static int uar_mmap(struct mlx5_ib_dev *dev, enum mlx5_ib_mmap_cmd cmd,
return 0;
}
-struct ib_dm *mlx5_ib_alloc_dm(struct ib_device *ibdev,
- struct ib_ucontext *context,
- struct ib_dm_alloc_attr *attr,
- struct uverbs_attr_bundle *attrs)
+static inline int check_dm_type_support(struct mlx5_ib_dev *dev,
+ u32 type)
{
- u64 act_size = roundup(attr->length, MLX5_MEMIC_BASE_SIZE);
- struct mlx5_memic *memic = &to_mdev(ibdev)->memic;
- phys_addr_t memic_addr;
- struct mlx5_ib_dm *dm;
+ switch (type) {
+ case MLX5_IB_UAPI_DM_TYPE_MEMIC:
+ if (!MLX5_CAP_DEV_MEM(dev->mdev, memic))
+ return -EOPNOTSUPP;
+ break;
+ case MLX5_IB_UAPI_DM_TYPE_STEERING_SW_ICM:
+ if (!capable(CAP_SYS_RAWIO) ||
+ !capable(CAP_NET_RAW))
+ return -EPERM;
+
+ if (!(MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, sw_owner) ||
+ MLX5_CAP_FLOWTABLE_NIC_TX(dev->mdev, sw_owner)))
+ return -EOPNOTSUPP;
+ break;
+ }
+
+ return 0;
+}
+
+static int handle_alloc_dm_memic(struct ib_ucontext *ctx,
+ struct mlx5_ib_dm *dm,
+ struct ib_dm_alloc_attr *attr,
+ struct uverbs_attr_bundle *attrs)
+{
+ struct mlx5_dm *dm_db = &to_mdev(ctx->device)->dm;
u64 start_offset;
u32 page_idx;
int err;
- dm = kzalloc(sizeof(*dm), GFP_KERNEL);
- if (!dm)
- return ERR_PTR(-ENOMEM);
-
- mlx5_ib_dbg(to_mdev(ibdev), "alloc_memic req: user_length=0x%llx act_length=0x%llx log_alignment=%d\n",
- attr->length, act_size, attr->alignment);
+ dm->size = roundup(attr->length, MLX5_MEMIC_BASE_SIZE);
- err = mlx5_cmd_alloc_memic(memic, &memic_addr,
- act_size, attr->alignment);
+ err = mlx5_cmd_alloc_memic(dm_db, &dm->dev_addr,
+ dm->size, attr->alignment);
if (err)
- goto err_free;
+ return err;
- start_offset = memic_addr & ~PAGE_MASK;
- page_idx = (memic_addr - memic->dev->bar_addr -
- MLX5_CAP64_DEV_MEM(memic->dev, memic_bar_start_addr)) >>
+ page_idx = (dm->dev_addr - pci_resource_start(dm_db->dev->pdev, 0) -
+ MLX5_CAP64_DEV_MEM(dm_db->dev, memic_bar_start_addr)) >>
PAGE_SHIFT;
+ err = uverbs_copy_to(attrs,
+ MLX5_IB_ATTR_ALLOC_DM_RESP_PAGE_INDEX,
+ &page_idx, sizeof(page_idx));
+ if (err)
+ goto err_dealloc;
+
+ start_offset = dm->dev_addr & ~PAGE_MASK;
err = uverbs_copy_to(attrs,
MLX5_IB_ATTR_ALLOC_DM_RESP_START_OFFSET,
&start_offset, sizeof(start_offset));
if (err)
goto err_dealloc;
+ bitmap_set(to_mucontext(ctx)->dm_pages, page_idx,
+ DIV_ROUND_UP(dm->size, PAGE_SIZE));
+
+ return 0;
+
+err_dealloc:
+ mlx5_cmd_dealloc_memic(dm_db, dm->dev_addr, dm->size);
+
+ return err;
+}
+
+static int handle_alloc_dm_sw_icm(struct ib_ucontext *ctx,
+ struct mlx5_ib_dm *dm,
+ struct ib_dm_alloc_attr *attr,
+ struct uverbs_attr_bundle *attrs,
+ int type)
+{
+ struct mlx5_dm *dm_db = &to_mdev(ctx->device)->dm;
+ u64 act_size;
+ int err;
+
+ /* Allocation size must a multiple of the basic block size
+ * and a power of 2.
+ */
+ act_size = roundup(attr->length, MLX5_SW_ICM_BLOCK_SIZE(dm_db->dev));
+ act_size = roundup_pow_of_two(act_size);
+
+ dm->size = act_size;
+ err = mlx5_cmd_alloc_sw_icm(dm_db, type, act_size,
+ to_mucontext(ctx)->devx_uid, &dm->dev_addr,
+ &dm->icm_dm.obj_id);
+ if (err)
+ return err;
+
err = uverbs_copy_to(attrs,
- MLX5_IB_ATTR_ALLOC_DM_RESP_PAGE_INDEX,
- &page_idx, sizeof(page_idx));
+ MLX5_IB_ATTR_ALLOC_DM_RESP_START_OFFSET,
+ &dm->dev_addr, sizeof(dm->dev_addr));
if (err)
- goto err_dealloc;
+ mlx5_cmd_dealloc_sw_icm(dm_db, type, dm->size,
+ to_mucontext(ctx)->devx_uid,
+ dm->dev_addr, dm->icm_dm.obj_id);
+
+ return err;
+}
+
+struct ib_dm *mlx5_ib_alloc_dm(struct ib_device *ibdev,
+ struct ib_ucontext *context,
+ struct ib_dm_alloc_attr *attr,
+ struct uverbs_attr_bundle *attrs)
+{
+ struct mlx5_ib_dm *dm;
+ enum mlx5_ib_uapi_dm_type type;
+ int err;
- bitmap_set(to_mucontext(context)->dm_pages, page_idx,
- DIV_ROUND_UP(act_size, PAGE_SIZE));
+ err = uverbs_get_const_default(&type, attrs,
+ MLX5_IB_ATTR_ALLOC_DM_REQ_TYPE,
+ MLX5_IB_UAPI_DM_TYPE_MEMIC);
+ if (err)
+ return ERR_PTR(err);
- dm->dev_addr = memic_addr;
+ mlx5_ib_dbg(to_mdev(ibdev), "alloc_dm req: dm_type=%d user_length=0x%llx log_alignment=%d\n",
+ type, attr->length, attr->alignment);
+
+ err = check_dm_type_support(to_mdev(ibdev), type);
+ if (err)
+ return ERR_PTR(err);
+
+ dm = kzalloc(sizeof(*dm), GFP_KERNEL);
+ if (!dm)
+ return ERR_PTR(-ENOMEM);
+
+ dm->type = type;
+
+ switch (type) {
+ case MLX5_IB_UAPI_DM_TYPE_MEMIC:
+ err = handle_alloc_dm_memic(context, dm,
+ attr,
+ attrs);
+ break;
+ case MLX5_IB_UAPI_DM_TYPE_STEERING_SW_ICM:
+ case MLX5_IB_UAPI_DM_TYPE_HEADER_MODIFY_SW_ICM:
+ err = handle_alloc_dm_sw_icm(context, dm, attr, attrs, type);
+ break;
+ default:
+ err = -EOPNOTSUPP;
+ }
+
+ if (err)
+ goto err_free;
return &dm->ibdm;
-err_dealloc:
- mlx5_cmd_dealloc_memic(memic, memic_addr,
- act_size);
err_free:
kfree(dm);
return ERR_PTR(err);
}
-int mlx5_ib_dealloc_dm(struct ib_dm *ibdm)
+int mlx5_ib_dealloc_dm(struct ib_dm *ibdm, struct uverbs_attr_bundle *attrs)
{
- struct mlx5_memic *memic = &to_mdev(ibdm->device)->memic;
+ struct mlx5_ib_ucontext *ctx = rdma_udata_to_drv_context(
+ &attrs->driver_udata, struct mlx5_ib_ucontext, ibucontext);
+ struct mlx5_dm *dm_db = &to_mdev(ibdm->device)->dm;
struct mlx5_ib_dm *dm = to_mdm(ibdm);
- u64 act_size = roundup(dm->ibdm.length, MLX5_MEMIC_BASE_SIZE);
u32 page_idx;
int ret;
- ret = mlx5_cmd_dealloc_memic(memic, dm->dev_addr, act_size);
- if (ret)
- return ret;
+ switch (dm->type) {
+ case MLX5_IB_UAPI_DM_TYPE_MEMIC:
+ ret = mlx5_cmd_dealloc_memic(dm_db, dm->dev_addr, dm->size);
+ if (ret)
+ return ret;
- page_idx = (dm->dev_addr - memic->dev->bar_addr -
- MLX5_CAP64_DEV_MEM(memic->dev, memic_bar_start_addr)) >>
- PAGE_SHIFT;
- bitmap_clear(to_mucontext(ibdm->uobject->context)->dm_pages,
- page_idx,
- DIV_ROUND_UP(act_size, PAGE_SIZE));
+ page_idx = (dm->dev_addr -
+ pci_resource_start(dm_db->dev->pdev, 0) -
+ MLX5_CAP64_DEV_MEM(dm_db->dev,
+ memic_bar_start_addr)) >>
+ PAGE_SHIFT;
+ bitmap_clear(ctx->dm_pages, page_idx,
+ DIV_ROUND_UP(dm->size, PAGE_SIZE));
+ break;
+ case MLX5_IB_UAPI_DM_TYPE_STEERING_SW_ICM:
+ case MLX5_IB_UAPI_DM_TYPE_HEADER_MODIFY_SW_ICM:
+ ret = mlx5_cmd_dealloc_sw_icm(dm_db, dm->type, dm->size,
+ ctx->devx_uid, dm->dev_addr,
+ dm->icm_dm.obj_id);
+ if (ret)
+ return ret;
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
kfree(dm);
return 0;
}
-static int mlx5_ib_alloc_pd(struct ib_pd *ibpd, struct ib_ucontext *context,
- struct ib_udata *udata)
+static int mlx5_ib_alloc_pd(struct ib_pd *ibpd, struct ib_udata *udata)
{
struct mlx5_ib_pd *pd = to_mpd(ibpd);
struct ib_device *ibdev = ibpd->device;
u32 out[MLX5_ST_SZ_DW(alloc_pd_out)] = {};
u32 in[MLX5_ST_SZ_DW(alloc_pd_in)] = {};
u16 uid = 0;
+ struct mlx5_ib_ucontext *context = rdma_udata_to_drv_context(
+ udata, struct mlx5_ib_ucontext, ibucontext);
- uid = context ? to_mucontext(context)->devx_uid : 0;
+ uid = context ? context->devx_uid : 0;
MLX5_SET(alloc_pd_in, in, opcode, MLX5_CMD_OP_ALLOC_PD);
MLX5_SET(alloc_pd_in, in, uid, uid);
err = mlx5_cmd_exec(to_mdev(ibdev)->mdev, in, sizeof(in),
pd->pdn = MLX5_GET(alloc_pd_out, out, pd);
pd->uid = uid;
- if (context) {
+ if (udata) {
resp.pdn = pd->pdn;
if (ib_copy_to_udata(udata, &resp, sizeof(resp))) {
mlx5_cmd_dealloc_pd(to_mdev(ibdev)->mdev, pd->pdn, uid);
return 0;
}
-static void mlx5_ib_dealloc_pd(struct ib_pd *pd)
+static void mlx5_ib_dealloc_pd(struct ib_pd *pd, struct ib_udata *udata)
{
struct mlx5_ib_dev *mdev = to_mdev(pd->device);
struct mlx5_ib_pd *mpd = to_mpd(pd);
if (ft_type == MLX5_IB_FT_RX) {
fn_type = MLX5_FLOW_NAMESPACE_BYPASS;
prio = &dev->flow_db->prios[priority];
- if (!dev->rep &&
+ if (!dev->is_rep &&
MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, decap))
flags |= MLX5_FLOW_TABLE_TUNNEL_EN_DECAP;
- if (!dev->rep &&
+ if (!dev->is_rep &&
MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev,
reformat_l3_tunnel_to_l2))
flags |= MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT;
log_max_ft_size));
fn_type = MLX5_FLOW_NAMESPACE_EGRESS;
prio = &dev->flow_db->egress_prios[priority];
- if (!dev->rep &&
+ if (!dev->is_rep &&
MLX5_CAP_FLOWTABLE_NIC_TX(dev->mdev, reformat))
flags |= MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT;
}
if (!ns)
return ERR_PTR(-ENOTSUPP);
- if (num_entries > max_table_size)
- return ERR_PTR(-ENOMEM);
+ max_table_size = min_t(int, num_entries, max_table_size);
ft = prio->flow_table;
if (!ft)
- return _get_prio(ns, prio, priority, num_entries, num_groups,
+ return _get_prio(ns, prio, priority, max_table_size, num_groups,
flags);
return prio;
if (!is_valid_attr(dev->mdev, flow_attr))
return ERR_PTR(-EINVAL);
- if (dev->rep && is_egress)
+ if (dev->is_rep && is_egress)
return ERR_PTR(-EINVAL);
spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
if (!flow_is_multicast_only(flow_attr))
set_underlay_qp(dev, spec, underlay_qpn);
- if (dev->rep) {
+ if (dev->is_rep) {
void *misc;
+ if (!dev->port[flow_attr->port - 1].rep) {
+ err = -EINVAL;
+ goto free;
+ }
misc = MLX5_ADDR_OF(fte_match_param, spec->match_value,
misc_parameters);
MLX5_SET(fte_match_set_misc, misc, source_port,
- dev->rep->vport);
+ dev->port[flow_attr->port - 1].rep->vport);
misc = MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
misc_parameters);
MLX5_SET_TO_ONES(fte_match_set_misc, misc, source_port);
bool mcast)
{
struct mlx5_flow_namespace *ns = NULL;
- struct mlx5_ib_flow_prio *prio;
- int max_table_size;
+ struct mlx5_ib_flow_prio *prio = NULL;
+ int max_table_size = 0;
u32 flags = 0;
int priority;
+ if (mcast)
+ priority = MLX5_IB_FLOW_MCAST_PRIO;
+ else
+ priority = ib_prio_to_core_prio(fs_matcher->priority, false);
+
if (fs_matcher->ns_type == MLX5_FLOW_NAMESPACE_BYPASS) {
max_table_size = BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev,
log_max_ft_size));
if (MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev,
reformat_l3_tunnel_to_l2))
flags |= MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT;
- } else { /* Can only be MLX5_FLOW_NAMESPACE_EGRESS */
- max_table_size = BIT(MLX5_CAP_FLOWTABLE_NIC_TX(dev->mdev,
- log_max_ft_size));
+ } else if (fs_matcher->ns_type == MLX5_FLOW_NAMESPACE_EGRESS) {
+ max_table_size = BIT(
+ MLX5_CAP_FLOWTABLE_NIC_TX(dev->mdev, log_max_ft_size));
if (MLX5_CAP_FLOWTABLE_NIC_TX(dev->mdev, reformat))
flags |= MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT;
+ } else if (fs_matcher->ns_type == MLX5_FLOW_NAMESPACE_FDB) {
+ max_table_size = BIT(
+ MLX5_CAP_ESW_FLOWTABLE_FDB(dev->mdev, log_max_ft_size));
+ priority = FDB_BYPASS_PATH;
}
- if (max_table_size < MLX5_FS_MAX_ENTRIES)
- return ERR_PTR(-ENOMEM);
-
- if (mcast)
- priority = MLX5_IB_FLOW_MCAST_PRIO;
- else
- priority = ib_prio_to_core_prio(fs_matcher->priority, false);
+ max_table_size = min_t(int, max_table_size, MLX5_FS_MAX_ENTRIES);
ns = mlx5_get_flow_namespace(dev->mdev, fs_matcher->ns_type);
if (!ns)
if (fs_matcher->ns_type == MLX5_FLOW_NAMESPACE_BYPASS)
prio = &dev->flow_db->prios[priority];
- else
+ else if (fs_matcher->ns_type == MLX5_FLOW_NAMESPACE_EGRESS)
prio = &dev->flow_db->egress_prios[priority];
+ else if (fs_matcher->ns_type == MLX5_FLOW_NAMESPACE_FDB)
+ prio = &dev->flow_db->fdb;
+
+ if (!prio)
+ return ERR_PTR(-EINVAL);
if (prio->flow_table)
return prio;
- return _get_prio(ns, prio, priority, MLX5_FS_MAX_ENTRIES,
+ return _get_prio(ns, prio, priority, max_table_size,
MLX5_FS_MAX_TYPES, flags);
}
int err;
int port;
- for (port = 1; port <= dev->num_ports; port++) {
+ for (port = 1; port <= ARRAY_SIZE(dev->mdev->port_caps); port++) {
dev->mdev->port_caps[port - 1].has_smi = false;
if (MLX5_CAP_GEN(dev->mdev, port_type) ==
MLX5_CAP_PORT_TYPE_IB) {
mlx5_query_ext_port_caps(dev, port);
}
-static int get_port_caps(struct mlx5_ib_dev *dev, u8 port)
+static int __get_port_caps(struct mlx5_ib_dev *dev, u8 port)
{
struct ib_device_attr *dprops = NULL;
struct ib_port_attr *pprops = NULL;
if (!dprops)
goto out;
- err = set_has_smi_cap(dev);
- if (err)
- goto out;
-
err = mlx5_ib_query_device(&dev->ib_dev, dprops, &uhw);
if (err) {
mlx5_ib_warn(dev, "query_device failed %d\n", err);
return err;
}
+static int get_port_caps(struct mlx5_ib_dev *dev, u8 port)
+{
+ /* For representors use port 1, is this is the only native
+ * port
+ */
+ if (dev->is_rep)
+ return __get_port_caps(dev, 1);
+ return __get_port_caps(dev, port);
+}
+
static void destroy_umrc_res(struct mlx5_ib_dev *dev)
{
int err;
mlx5_ib_warn(dev, "mr cache cleanup failed\n");
if (dev->umrc.qp)
- mlx5_ib_destroy_qp(dev->umrc.qp);
+ mlx5_ib_destroy_qp(dev->umrc.qp, NULL);
if (dev->umrc.cq)
ib_free_cq(dev->umrc.cq);
if (dev->umrc.pd)
return 0;
error_4:
- mlx5_ib_destroy_qp(qp);
+ mlx5_ib_destroy_qp(qp, NULL);
dev->umrc.qp = NULL;
error_3:
devr->p0->uobject = NULL;
atomic_set(&devr->p0->usecnt, 0);
- ret = mlx5_ib_alloc_pd(devr->p0, NULL, NULL);
+ ret = mlx5_ib_alloc_pd(devr->p0, NULL);
if (ret)
goto error0;
- devr->c0 = mlx5_ib_create_cq(&dev->ib_dev, &cq_attr, NULL, NULL);
+ devr->c0 = mlx5_ib_create_cq(&dev->ib_dev, &cq_attr, NULL);
if (IS_ERR(devr->c0)) {
ret = PTR_ERR(devr->c0);
goto error1;
devr->c0->cq_context = NULL;
atomic_set(&devr->c0->usecnt, 0);
- devr->x0 = mlx5_ib_alloc_xrcd(&dev->ib_dev, NULL, NULL);
+ devr->x0 = mlx5_ib_alloc_xrcd(&dev->ib_dev, NULL);
if (IS_ERR(devr->x0)) {
ret = PTR_ERR(devr->x0);
goto error2;
mutex_init(&devr->x0->tgt_qp_mutex);
INIT_LIST_HEAD(&devr->x0->tgt_qp_list);
- devr->x1 = mlx5_ib_alloc_xrcd(&dev->ib_dev, NULL, NULL);
+ devr->x1 = mlx5_ib_alloc_xrcd(&dev->ib_dev, NULL);
if (IS_ERR(devr->x1)) {
ret = PTR_ERR(devr->x1);
goto error3;
attr.ext.cq = devr->c0;
attr.ext.xrc.xrcd = devr->x0;
- devr->s0 = mlx5_ib_create_srq(devr->p0, &attr, NULL);
- if (IS_ERR(devr->s0)) {
- ret = PTR_ERR(devr->s0);
+ devr->s0 = rdma_zalloc_drv_obj(ibdev, ib_srq);
+ if (!devr->s0) {
+ ret = -ENOMEM;
goto error4;
}
+
devr->s0->device = &dev->ib_dev;
devr->s0->pd = devr->p0;
- devr->s0->uobject = NULL;
- devr->s0->event_handler = NULL;
- devr->s0->srq_context = NULL;
devr->s0->srq_type = IB_SRQT_XRC;
devr->s0->ext.xrc.xrcd = devr->x0;
devr->s0->ext.cq = devr->c0;
+ ret = mlx5_ib_create_srq(devr->s0, &attr, NULL);
+ if (ret)
+ goto err_create;
+
atomic_inc(&devr->s0->ext.xrc.xrcd->usecnt);
atomic_inc(&devr->s0->ext.cq->usecnt);
atomic_inc(&devr->p0->usecnt);
attr.attr.max_sge = 1;
attr.attr.max_wr = 1;
attr.srq_type = IB_SRQT_BASIC;
- devr->s1 = mlx5_ib_create_srq(devr->p0, &attr, NULL);
- if (IS_ERR(devr->s1)) {
- ret = PTR_ERR(devr->s1);
+ devr->s1 = rdma_zalloc_drv_obj(ibdev, ib_srq);
+ if (!devr->s1) {
+ ret = -ENOMEM;
goto error5;
}
+
devr->s1->device = &dev->ib_dev;
devr->s1->pd = devr->p0;
- devr->s1->uobject = NULL;
- devr->s1->event_handler = NULL;
- devr->s1->srq_context = NULL;
devr->s1->srq_type = IB_SRQT_BASIC;
devr->s1->ext.cq = devr->c0;
+
+ ret = mlx5_ib_create_srq(devr->s1, &attr, NULL);
+ if (ret)
+ goto error6;
+
atomic_inc(&devr->p0->usecnt);
atomic_set(&devr->s1->usecnt, 0);
return 0;
+error6:
+ kfree(devr->s1);
error5:
- mlx5_ib_destroy_srq(devr->s0);
+ mlx5_ib_destroy_srq(devr->s0, NULL);
+err_create:
+ kfree(devr->s0);
error4:
- mlx5_ib_dealloc_xrcd(devr->x1);
+ mlx5_ib_dealloc_xrcd(devr->x1, NULL);
error3:
- mlx5_ib_dealloc_xrcd(devr->x0);
+ mlx5_ib_dealloc_xrcd(devr->x0, NULL);
error2:
- mlx5_ib_destroy_cq(devr->c0);
+ mlx5_ib_destroy_cq(devr->c0, NULL);
error1:
- mlx5_ib_dealloc_pd(devr->p0);
+ mlx5_ib_dealloc_pd(devr->p0, NULL);
error0:
kfree(devr->p0);
return ret;
static void destroy_dev_resources(struct mlx5_ib_resources *devr)
{
- struct mlx5_ib_dev *dev =
- container_of(devr, struct mlx5_ib_dev, devr);
int port;
- mlx5_ib_destroy_srq(devr->s1);
- mlx5_ib_destroy_srq(devr->s0);
- mlx5_ib_dealloc_xrcd(devr->x0);
- mlx5_ib_dealloc_xrcd(devr->x1);
- mlx5_ib_destroy_cq(devr->c0);
- mlx5_ib_dealloc_pd(devr->p0);
+ mlx5_ib_destroy_srq(devr->s1, NULL);
+ kfree(devr->s1);
+ mlx5_ib_destroy_srq(devr->s0, NULL);
+ kfree(devr->s0);
+ mlx5_ib_dealloc_xrcd(devr->x0, NULL);
+ mlx5_ib_dealloc_xrcd(devr->x1, NULL);
+ mlx5_ib_destroy_cq(devr->c0, NULL);
+ mlx5_ib_dealloc_pd(devr->p0, NULL);
kfree(devr->p0);
/* Make sure no change P_Key work items are still executing */
- for (port = 0; port < dev->num_ports; ++port)
+ for (port = 0; port < ARRAY_SIZE(devr->ports); ++port)
cancel_work_sync(&devr->ports[port].pkey_change_work);
}
{
int err;
- dev->roce[port_num].nb.notifier_call = mlx5_netdev_event;
- err = register_netdevice_notifier(&dev->roce[port_num].nb);
+ dev->port[port_num].roce.nb.notifier_call = mlx5_netdev_event;
+ err = register_netdevice_notifier(&dev->port[port_num].roce.nb);
if (err) {
- dev->roce[port_num].nb.notifier_call = NULL;
+ dev->port[port_num].roce.nb.notifier_call = NULL;
return err;
}
static void mlx5_remove_netdev_notifier(struct mlx5_ib_dev *dev, u8 port_num)
{
- if (dev->roce[port_num].nb.notifier_call) {
- unregister_netdevice_notifier(&dev->roce[port_num].nb);
- dev->roce[port_num].nb.notifier_call = NULL;
+ if (dev->port[port_num].roce.nb.notifier_call) {
+ unregister_netdevice_notifier(&dev->port[port_num].roce.nb);
+ dev->port[port_num].roce.nb.notifier_call = NULL;
}
}
mlx5_ib_err(ibdev, "Failed to unaffiliate port %u\n",
port_num + 1);
- ibdev->roce[port_num].last_port_state = IB_PORT_DOWN;
+ ibdev->port[port_num].roce.last_port_state = IB_PORT_DOWN;
}
/* The mlx5_ib_multiport_mutex should be held when calling this function */
UA_MANDATORY),
UVERBS_ATTR_PTR_OUT(MLX5_IB_ATTR_ALLOC_DM_RESP_PAGE_INDEX,
UVERBS_ATTR_TYPE(u16),
- UA_MANDATORY));
+ UA_OPTIONAL),
+ UVERBS_ATTR_CONST_IN(MLX5_IB_ATTR_ALLOC_DM_REQ_TYPE,
+ enum mlx5_ib_uapi_dm_type,
+ UA_OPTIONAL));
ADD_UVERBS_ATTRIBUTES_SIMPLE(
mlx5_ib_flow_action,
return &mcounters->ibcntrs;
}
-void mlx5_ib_stage_init_cleanup(struct mlx5_ib_dev *dev)
+static void mlx5_ib_stage_init_cleanup(struct mlx5_ib_dev *dev)
{
+ struct mlx5_core_dev *mdev = dev->mdev;
+
mlx5_ib_cleanup_multiport_master(dev);
if (IS_ENABLED(CONFIG_INFINIBAND_ON_DEMAND_PAGING)) {
srcu_barrier(&dev->mr_srcu);
cleanup_srcu_struct(&dev->mr_srcu);
}
- kfree(dev->port);
+
+ WARN_ON(!bitmap_empty(dev->dm.memic_alloc_pages, MLX5_MAX_MEMIC_PAGES));
+
+ WARN_ON(dev->dm.steering_sw_icm_alloc_blocks &&
+ !bitmap_empty(
+ dev->dm.steering_sw_icm_alloc_blocks,
+ BIT(MLX5_CAP_DEV_MEM(mdev, log_steering_sw_icm_size) -
+ MLX5_LOG_SW_ICM_BLOCK_SIZE(mdev))));
+
+ kfree(dev->dm.steering_sw_icm_alloc_blocks);
+
+ WARN_ON(dev->dm.header_modify_sw_icm_alloc_blocks &&
+ !bitmap_empty(dev->dm.header_modify_sw_icm_alloc_blocks,
+ BIT(MLX5_CAP_DEV_MEM(
+ mdev, log_header_modify_sw_icm_size) -
+ MLX5_LOG_SW_ICM_BLOCK_SIZE(mdev))));
+
+ kfree(dev->dm.header_modify_sw_icm_alloc_blocks);
}
-int mlx5_ib_stage_init_init(struct mlx5_ib_dev *dev)
+static int mlx5_ib_stage_init_init(struct mlx5_ib_dev *dev)
{
struct mlx5_core_dev *mdev = dev->mdev;
+ u64 header_modify_icm_blocks = 0;
+ u64 steering_icm_blocks = 0;
int err;
int i;
- dev->port = kcalloc(dev->num_ports, sizeof(*dev->port),
- GFP_KERNEL);
- if (!dev->port)
- return -ENOMEM;
-
for (i = 0; i < dev->num_ports; i++) {
spin_lock_init(&dev->port[i].mp.mpi_lock);
- rwlock_init(&dev->roce[i].netdev_lock);
+ rwlock_init(&dev->port[i].roce.netdev_lock);
+ dev->port[i].roce.dev = dev;
+ dev->port[i].roce.native_port_num = i + 1;
+ dev->port[i].roce.last_port_state = IB_PORT_DOWN;
}
err = mlx5_ib_init_multiport_master(dev);
if (err)
- goto err_free_port;
+ return err;
+
+ err = set_has_smi_cap(dev);
+ if (err)
+ return err;
if (!mlx5_core_mp_enabled(mdev)) {
for (i = 1; i <= dev->num_ports; i++) {
INIT_LIST_HEAD(&dev->qp_list);
spin_lock_init(&dev->reset_flow_resource_lock);
- spin_lock_init(&dev->memic.memic_lock);
- dev->memic.dev = mdev;
+ if (MLX5_CAP_GEN_64(mdev, general_obj_types) &
+ MLX5_GENERAL_OBJ_TYPES_CAP_SW_ICM) {
+ if (MLX5_CAP64_DEV_MEM(mdev, steering_sw_icm_start_address)) {
+ steering_icm_blocks =
+ BIT(MLX5_CAP_DEV_MEM(mdev,
+ log_steering_sw_icm_size) -
+ MLX5_LOG_SW_ICM_BLOCK_SIZE(mdev));
+
+ dev->dm.steering_sw_icm_alloc_blocks =
+ kcalloc(BITS_TO_LONGS(steering_icm_blocks),
+ sizeof(unsigned long), GFP_KERNEL);
+ if (!dev->dm.steering_sw_icm_alloc_blocks)
+ goto err_mp;
+ }
+
+ if (MLX5_CAP64_DEV_MEM(mdev,
+ header_modify_sw_icm_start_address)) {
+ header_modify_icm_blocks = BIT(
+ MLX5_CAP_DEV_MEM(
+ mdev, log_header_modify_sw_icm_size) -
+ MLX5_LOG_SW_ICM_BLOCK_SIZE(mdev));
+
+ dev->dm.header_modify_sw_icm_alloc_blocks =
+ kcalloc(BITS_TO_LONGS(header_modify_icm_blocks),
+ sizeof(unsigned long), GFP_KERNEL);
+ if (!dev->dm.header_modify_sw_icm_alloc_blocks)
+ goto err_dm;
+ }
+ }
+
+ spin_lock_init(&dev->dm.lock);
+ dev->dm.dev = mdev;
if (IS_ENABLED(CONFIG_INFINIBAND_ON_DEMAND_PAGING)) {
err = init_srcu_struct(&dev->mr_srcu);
if (err)
- goto err_mp;
+ goto err_dm;
}
return 0;
+
+err_dm:
+ kfree(dev->dm.steering_sw_icm_alloc_blocks);
+ kfree(dev->dm.header_modify_sw_icm_alloc_blocks);
+
err_mp:
mlx5_ib_cleanup_multiport_master(dev);
-err_free_port:
- kfree(dev->port);
-
return -ENOMEM;
}
return 0;
}
-int mlx5_ib_stage_rep_flow_db_init(struct mlx5_ib_dev *dev)
-{
- struct mlx5_ib_dev *nic_dev;
-
- nic_dev = mlx5_ib_get_uplink_ibdev(dev->mdev->priv.eswitch);
-
- if (!nic_dev)
- return -EINVAL;
-
- dev->flow_db = nic_dev->flow_db;
-
- return 0;
-}
-
static void mlx5_ib_stage_flow_db_cleanup(struct mlx5_ib_dev *dev)
{
kfree(dev->flow_db);
.req_notify_cq = mlx5_ib_arm_cq,
.rereg_user_mr = mlx5_ib_rereg_user_mr,
.resize_cq = mlx5_ib_resize_cq,
+
+ INIT_RDMA_OBJ_SIZE(ib_ah, mlx5_ib_ah, ibah),
INIT_RDMA_OBJ_SIZE(ib_pd, mlx5_ib_pd, ibpd),
+ INIT_RDMA_OBJ_SIZE(ib_srq, mlx5_ib_srq, ibsrq),
INIT_RDMA_OBJ_SIZE(ib_ucontext, mlx5_ib_ucontext, ibucontext),
};
.reg_dm_mr = mlx5_ib_reg_dm_mr,
};
-int mlx5_ib_stage_caps_init(struct mlx5_ib_dev *dev)
+static int mlx5_ib_stage_caps_init(struct mlx5_ib_dev *dev)
{
struct mlx5_core_dev *mdev = dev->mdev;
int err;
ib_set_device_ops(&dev->ib_dev, &mlx5_ib_dev_xrc_ops);
}
- if (MLX5_CAP_DEV_MEM(mdev, memic))
+ if (MLX5_CAP_DEV_MEM(mdev, memic) ||
+ MLX5_CAP_GEN_64(dev->mdev, general_obj_types) &
+ MLX5_GENERAL_OBJ_TYPES_CAP_SW_ICM)
ib_set_device_ops(&dev->ib_dev, &mlx5_ib_dev_dm_ops);
if (mlx5_accel_ipsec_device_caps(dev->mdev) &
.query_port = mlx5_ib_rep_query_port,
};
-int mlx5_ib_stage_rep_non_default_cb(struct mlx5_ib_dev *dev)
+static int mlx5_ib_stage_rep_non_default_cb(struct mlx5_ib_dev *dev)
{
ib_set_device_ops(&dev->ib_dev, &mlx5_ib_dev_port_rep_ops);
return 0;
static int mlx5_ib_stage_common_roce_init(struct mlx5_ib_dev *dev)
{
u8 port_num;
- int i;
-
- for (i = 0; i < dev->num_ports; i++) {
- dev->roce[i].dev = dev;
- dev->roce[i].native_port_num = i + 1;
- dev->roce[i].last_port_state = IB_PORT_DOWN;
- }
dev->ib_dev.uverbs_ex_cmd_mask |=
(1ull << IB_USER_VERBS_EX_CMD_CREATE_WQ) |
port_num = mlx5_core_native_port_num(dev->mdev) - 1;
+ /* Register only for native ports */
return mlx5_add_netdev_notifier(dev, port_num);
}
mlx5_remove_netdev_notifier(dev, port_num);
}
-int mlx5_ib_stage_rep_roce_init(struct mlx5_ib_dev *dev)
+static int mlx5_ib_stage_rep_roce_init(struct mlx5_ib_dev *dev)
{
struct mlx5_core_dev *mdev = dev->mdev;
enum rdma_link_layer ll;
return err;
}
-void mlx5_ib_stage_rep_roce_cleanup(struct mlx5_ib_dev *dev)
+static void mlx5_ib_stage_rep_roce_cleanup(struct mlx5_ib_dev *dev)
{
mlx5_ib_stage_common_roce_cleanup(dev);
}
}
}
-int mlx5_ib_stage_dev_res_init(struct mlx5_ib_dev *dev)
+static int mlx5_ib_stage_dev_res_init(struct mlx5_ib_dev *dev)
{
return create_dev_resources(&dev->devr);
}
-void mlx5_ib_stage_dev_res_cleanup(struct mlx5_ib_dev *dev)
+static void mlx5_ib_stage_dev_res_cleanup(struct mlx5_ib_dev *dev)
{
destroy_dev_resources(&dev->devr);
}
.get_hw_stats = mlx5_ib_get_hw_stats,
};
-int mlx5_ib_stage_counters_init(struct mlx5_ib_dev *dev)
+static int mlx5_ib_stage_counters_init(struct mlx5_ib_dev *dev)
{
if (MLX5_CAP_GEN(dev->mdev, max_qp_cnt)) {
ib_set_device_ops(&dev->ib_dev, &mlx5_ib_dev_hw_stats_ops);
return 0;
}
-void mlx5_ib_stage_counters_cleanup(struct mlx5_ib_dev *dev)
+static void mlx5_ib_stage_counters_cleanup(struct mlx5_ib_dev *dev)
{
if (MLX5_CAP_GEN(dev->mdev, max_qp_cnt))
mlx5_ib_dealloc_counters(dev);
mlx5_put_uars_page(dev->mdev, dev->mdev->priv.uar);
}
-int mlx5_ib_stage_bfrag_init(struct mlx5_ib_dev *dev)
+static int mlx5_ib_stage_bfrag_init(struct mlx5_ib_dev *dev)
{
int err;
return err;
}
-void mlx5_ib_stage_bfrag_cleanup(struct mlx5_ib_dev *dev)
+static void mlx5_ib_stage_bfrag_cleanup(struct mlx5_ib_dev *dev)
{
mlx5_free_bfreg(dev->mdev, &dev->fp_bfreg);
mlx5_free_bfreg(dev->mdev, &dev->bfreg);
}
-int mlx5_ib_stage_ib_reg_init(struct mlx5_ib_dev *dev)
+static int mlx5_ib_stage_ib_reg_init(struct mlx5_ib_dev *dev)
{
const char *name;
return ib_register_device(&dev->ib_dev, name);
}
-void mlx5_ib_stage_pre_ib_reg_umr_cleanup(struct mlx5_ib_dev *dev)
+static void mlx5_ib_stage_pre_ib_reg_umr_cleanup(struct mlx5_ib_dev *dev)
{
destroy_umrc_res(dev);
}
-void mlx5_ib_stage_ib_reg_cleanup(struct mlx5_ib_dev *dev)
+static void mlx5_ib_stage_ib_reg_cleanup(struct mlx5_ib_dev *dev)
{
ib_unregister_device(&dev->ib_dev);
}
-int mlx5_ib_stage_post_ib_reg_umr_init(struct mlx5_ib_dev *dev)
+static int mlx5_ib_stage_post_ib_reg_umr_init(struct mlx5_ib_dev *dev)
{
return create_umr_res(dev);
}
if (profile->stage[stage].cleanup)
profile->stage[stage].cleanup(dev);
}
+
+ kfree(dev->port);
+ ib_dealloc_device(&dev->ib_dev);
}
void *__mlx5_ib_add(struct mlx5_ib_dev *dev,
STAGE_CREATE(MLX5_IB_STAGE_PRE_IB_REG_UMR,
NULL,
mlx5_ib_stage_pre_ib_reg_umr_cleanup),
+ STAGE_CREATE(MLX5_IB_STAGE_WHITELIST_UID,
+ mlx5_ib_stage_devx_init,
+ mlx5_ib_stage_devx_cleanup),
STAGE_CREATE(MLX5_IB_STAGE_IB_REG,
mlx5_ib_stage_ib_reg_init,
mlx5_ib_stage_ib_reg_cleanup),
enum rdma_link_layer ll;
struct mlx5_ib_dev *dev;
int port_type_cap;
+ int num_ports;
printk_once(KERN_INFO "%s", mlx5_version);
if (MLX5_ESWITCH_MANAGER(mdev) &&
mlx5_ib_eswitch_mode(mdev->priv.eswitch) == SRIOV_OFFLOADS) {
- mlx5_ib_register_vport_reps(mdev);
+ if (!mlx5_core_mp_enabled(mdev))
+ mlx5_ib_register_vport_reps(mdev);
return mdev;
}
if (mlx5_core_is_mp_slave(mdev) && ll == IB_LINK_LAYER_ETHERNET)
return mlx5_ib_add_slave_port(mdev);
+ num_ports = max(MLX5_CAP_GEN(mdev, num_ports),
+ MLX5_CAP_GEN(mdev, num_vhca_ports));
dev = ib_alloc_device(mlx5_ib_dev, ib_dev);
if (!dev)
return NULL;
+ dev->port = kcalloc(num_ports, sizeof(*dev->port),
+ GFP_KERNEL);
+ if (!dev->port) {
+ ib_dealloc_device((struct ib_device *)dev);
+ return NULL;
+ }
dev->mdev = mdev;
- dev->num_ports = max(MLX5_CAP_GEN(mdev, num_ports),
- MLX5_CAP_GEN(mdev, num_vhca_ports));
+ dev->num_ports = num_ports;
return __mlx5_ib_add(dev, &pf_profile);
}
dev = context;
__mlx5_ib_remove(dev, dev->profile, MLX5_IB_STAGE_MAX);
-
- ib_dealloc_device((struct ib_device *)dev);
}
static struct mlx5_interface mlx5_ib_interface = {
#include <rdma/mlx5-abi.h>
#include <rdma/uverbs_ioctl.h>
#include <rdma/mlx5_user_ioctl_cmds.h>
+#include <rdma/mlx5_user_ioctl_verbs.h>
#include "srq.h"
MLX5_MEMIC_BASE_SIZE = 1 << MLX5_MEMIC_BASE_ALIGN,
};
+#define MLX5_LOG_SW_ICM_BLOCK_SIZE(dev) \
+ (MLX5_CAP_DEV_MEM(dev, log_sw_icm_alloc_granularity))
+#define MLX5_SW_ICM_BLOCK_SIZE(dev) (1 << MLX5_LOG_SW_ICM_BLOCK_SIZE(dev))
+
struct mlx5_ib_ucontext {
struct ib_ucontext ibucontext;
struct list_head db_page_list;
struct mlx5_ib_flow_prio egress_prios[MLX5_IB_NUM_FLOW_FT];
struct mlx5_ib_flow_prio sniffer[MLX5_IB_NUM_SNIFFER_FTS];
struct mlx5_ib_flow_prio egress[MLX5_IB_NUM_EGRESS_FTS];
+ struct mlx5_ib_flow_prio fdb;
struct mlx5_flow_table *lag_demux_ft;
/* Protect flow steering bypass flow tables
* when add/del flow rules.
struct mlx5_ib_dm {
struct ib_dm ibdm;
phys_addr_t dev_addr;
+ u32 type;
+ size_t size;
+ union {
+ struct {
+ u32 obj_id;
+ } icm_dm;
+ /* other dm types specific params should be added here */
+ };
};
#define MLX5_IB_MTT_PRESENT (MLX5_IB_MTT_READ | MLX5_IB_MTT_WRITE)
-#define MLX5_IB_DM_ALLOWED_ACCESS (IB_ACCESS_LOCAL_WRITE |\
- IB_ACCESS_REMOTE_WRITE |\
- IB_ACCESS_REMOTE_READ |\
- IB_ACCESS_REMOTE_ATOMIC |\
- IB_ZERO_BASED)
+#define MLX5_IB_DM_MEMIC_ALLOWED_ACCESS (IB_ACCESS_LOCAL_WRITE |\
+ IB_ACCESS_REMOTE_WRITE |\
+ IB_ACCESS_REMOTE_READ |\
+ IB_ACCESS_REMOTE_ATOMIC |\
+ IB_ZERO_BASED)
+
+#define MLX5_IB_DM_SW_ICM_ALLOWED_ACCESS (IB_ACCESS_LOCAL_WRITE |\
+ IB_ACCESS_REMOTE_WRITE |\
+ IB_ACCESS_REMOTE_READ |\
+ IB_ZERO_BASED)
struct mlx5_ib_mr {
struct ib_mr ibmr;
spinlock_t mpi_lock;
};
-struct mlx5_ib_port {
- struct mlx5_ib_counters cnts;
- struct mlx5_ib_multiport mp;
- struct mlx5_ib_dbg_cc_params *dbg_cc_params;
-};
-
struct mlx5_roce {
/* Protect mlx5_ib_get_netdev from invoking dev_hold() with a NULL
* netdev pointer
u8 native_port_num;
};
+struct mlx5_ib_port {
+ struct mlx5_ib_counters cnts;
+ struct mlx5_ib_multiport mp;
+ struct mlx5_ib_dbg_cc_params *dbg_cc_params;
+ struct mlx5_roce roce;
+ struct mlx5_eswitch_rep *rep;
+};
+
struct mlx5_ib_dbg_param {
int offset;
struct mlx5_ib_dev *dev;
};
};
-struct mlx5_memic {
+struct mlx5_dm {
struct mlx5_core_dev *dev;
- spinlock_t memic_lock;
+ /* This lock is used to protect the access to the shared
+ * allocation map when concurrent requests by different
+ * processes are handled.
+ */
+ spinlock_t lock;
DECLARE_BITMAP(memic_alloc_pages, MLX5_MAX_MEMIC_PAGES);
+ unsigned long *steering_sw_icm_alloc_blocks;
+ unsigned long *header_modify_sw_icm_alloc_blocks;
};
struct mlx5_read_counters_attr {
struct ib_device ib_dev;
struct mlx5_core_dev *mdev;
struct notifier_block mdev_events;
- struct mlx5_roce roce[MLX5_MAX_PORTS];
int num_ports;
/* serialize update of capability mask
*/
struct mlx5_sq_bfreg fp_bfreg;
struct mlx5_ib_delay_drop delay_drop;
const struct mlx5_ib_profile *profile;
- struct mlx5_eswitch_rep *rep;
+ bool is_rep;
int lag_active;
struct mlx5_ib_lb_state lb;
u8 umr_fence;
struct list_head ib_dev_list;
u64 sys_image_guid;
- struct mlx5_memic memic;
+ struct mlx5_dm dm;
u16 devx_whitelist_uid;
struct mlx5_srq_table srq_table;
struct mlx5_async_ctx async_ctx;
+ int free_port;
};
static inline struct mlx5_ib_cq *to_mibcq(struct mlx5_core_cq *mcq)
return container_of(ibdev, struct mlx5_ib_dev, ib_dev);
}
+static inline struct mlx5_ib_dev *mlx5_udata_to_mdev(struct ib_udata *udata)
+{
+ struct mlx5_ib_ucontext *context = rdma_udata_to_drv_context(
+ udata, struct mlx5_ib_ucontext, ibucontext);
+
+ return to_mdev(context->ibucontext.device);
+}
+
static inline struct mlx5_ib_cq *to_mcq(struct ib_cq *ibcq)
{
return container_of(ibcq, struct mlx5_ib_cq, ibcq);
void __mlx5_ib_cq_clean(struct mlx5_ib_cq *cq, u32 qpn, struct mlx5_ib_srq *srq);
void mlx5_ib_cq_clean(struct mlx5_ib_cq *cq, u32 qpn, struct mlx5_ib_srq *srq);
void mlx5_ib_free_srq_wqe(struct mlx5_ib_srq *srq, int wqe_index);
-struct ib_ah *mlx5_ib_create_ah(struct ib_pd *pd, struct rdma_ah_attr *ah_attr,
- u32 flags, struct ib_udata *udata);
+int mlx5_ib_create_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr, u32 flags,
+ struct ib_udata *udata);
int mlx5_ib_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr);
-int mlx5_ib_destroy_ah(struct ib_ah *ah, u32 flags);
-struct ib_srq *mlx5_ib_create_srq(struct ib_pd *pd,
- struct ib_srq_init_attr *init_attr,
- struct ib_udata *udata);
+void mlx5_ib_destroy_ah(struct ib_ah *ah, u32 flags);
+int mlx5_ib_create_srq(struct ib_srq *srq, struct ib_srq_init_attr *init_attr,
+ struct ib_udata *udata);
int mlx5_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
int mlx5_ib_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *srq_attr);
-int mlx5_ib_destroy_srq(struct ib_srq *srq);
+void mlx5_ib_destroy_srq(struct ib_srq *srq, struct ib_udata *udata);
int mlx5_ib_post_srq_recv(struct ib_srq *ibsrq, const struct ib_recv_wr *wr,
const struct ib_recv_wr **bad_wr);
int mlx5_ib_enable_lb(struct mlx5_ib_dev *dev, bool td, bool qp);
int attr_mask, struct ib_udata *udata);
int mlx5_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask,
struct ib_qp_init_attr *qp_init_attr);
-int mlx5_ib_destroy_qp(struct ib_qp *qp);
+int mlx5_ib_destroy_qp(struct ib_qp *qp, struct ib_udata *udata);
void mlx5_ib_drain_sq(struct ib_qp *qp);
void mlx5_ib_drain_rq(struct ib_qp *qp);
int mlx5_ib_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr,
void *buffer, int buflen, size_t *bc);
struct ib_cq *mlx5_ib_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,
- struct ib_ucontext *context,
struct ib_udata *udata);
-int mlx5_ib_destroy_cq(struct ib_cq *cq);
+int mlx5_ib_destroy_cq(struct ib_cq *cq, struct ib_udata *udata);
int mlx5_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
int mlx5_ib_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags flags);
int mlx5_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period);
int mlx5_ib_rereg_user_mr(struct ib_mr *ib_mr, int flags, u64 start,
u64 length, u64 virt_addr, int access_flags,
struct ib_pd *pd, struct ib_udata *udata);
-int mlx5_ib_dereg_mr(struct ib_mr *ibmr);
-struct ib_mr *mlx5_ib_alloc_mr(struct ib_pd *pd,
- enum ib_mr_type mr_type,
- u32 max_num_sg);
+int mlx5_ib_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata);
+struct ib_mr *mlx5_ib_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,
+ u32 max_num_sg, struct ib_udata *udata);
int mlx5_ib_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents,
unsigned int *sg_offset);
int mlx5_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
struct ib_mad_hdr *out, size_t *out_mad_size,
u16 *out_mad_pkey_index);
struct ib_xrcd *mlx5_ib_alloc_xrcd(struct ib_device *ibdev,
- struct ib_ucontext *context,
- struct ib_udata *udata);
-int mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd);
+ struct ib_udata *udata);
+int mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd, struct ib_udata *udata);
int mlx5_ib_get_buf_offset(u64 addr, int page_shift, u32 *offset);
int mlx5_query_ext_port_caps(struct mlx5_ib_dev *dev, u8 port);
int mlx5_query_mad_ifc_smp_attr_node_info(struct ib_device *ibdev,
struct ib_wq *mlx5_ib_create_wq(struct ib_pd *pd,
struct ib_wq_init_attr *init_attr,
struct ib_udata *udata);
-int mlx5_ib_destroy_wq(struct ib_wq *wq);
+int mlx5_ib_destroy_wq(struct ib_wq *wq, struct ib_udata *udata);
int mlx5_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr,
u32 wq_attr_mask, struct ib_udata *udata);
struct ib_rwq_ind_table *mlx5_ib_create_rwq_ind_table(struct ib_device *device,
struct ib_ucontext *context,
struct ib_dm_alloc_attr *attr,
struct uverbs_attr_bundle *attrs);
-int mlx5_ib_dealloc_dm(struct ib_dm *ibdm);
+int mlx5_ib_dealloc_dm(struct ib_dm *ibdm, struct uverbs_attr_bundle *attrs);
struct ib_mr *mlx5_ib_reg_dm_mr(struct ib_pd *pd, struct ib_dm *dm,
struct ib_dm_mr_attr *attr,
struct uverbs_attr_bundle *attrs);
#endif /* CONFIG_INFINIBAND_ON_DEMAND_PAGING */
/* Needed for rep profile */
-int mlx5_ib_stage_init_init(struct mlx5_ib_dev *dev);
-void mlx5_ib_stage_init_cleanup(struct mlx5_ib_dev *dev);
-int mlx5_ib_stage_rep_flow_db_init(struct mlx5_ib_dev *dev);
-int mlx5_ib_stage_caps_init(struct mlx5_ib_dev *dev);
-int mlx5_ib_stage_rep_non_default_cb(struct mlx5_ib_dev *dev);
-int mlx5_ib_stage_rep_roce_init(struct mlx5_ib_dev *dev);
-void mlx5_ib_stage_rep_roce_cleanup(struct mlx5_ib_dev *dev);
-int mlx5_ib_stage_dev_res_init(struct mlx5_ib_dev *dev);
-void mlx5_ib_stage_dev_res_cleanup(struct mlx5_ib_dev *dev);
-int mlx5_ib_stage_counters_init(struct mlx5_ib_dev *dev);
-void mlx5_ib_stage_counters_cleanup(struct mlx5_ib_dev *dev);
-int mlx5_ib_stage_bfrag_init(struct mlx5_ib_dev *dev);
-void mlx5_ib_stage_bfrag_cleanup(struct mlx5_ib_dev *dev);
-void mlx5_ib_stage_pre_ib_reg_umr_cleanup(struct mlx5_ib_dev *dev);
-int mlx5_ib_stage_ib_reg_init(struct mlx5_ib_dev *dev);
-void mlx5_ib_stage_ib_reg_cleanup(struct mlx5_ib_dev *dev);
-int mlx5_ib_stage_post_ib_reg_umr_init(struct mlx5_ib_dev *dev);
void __mlx5_ib_remove(struct mlx5_ib_dev *dev,
const struct mlx5_ib_profile *profile,
int stage);
static void mlx5_mr_cache_debugfs_cleanup(struct mlx5_ib_dev *dev)
{
- if (!mlx5_debugfs_root || dev->rep)
+ if (!mlx5_debugfs_root || dev->is_rep)
return;
debugfs_remove_recursive(dev->cache.root);
struct dentry *dir;
int i;
- if (!mlx5_debugfs_root || dev->rep)
+ if (!mlx5_debugfs_root || dev->is_rep)
return;
cache->root = debugfs_create_dir("mr_cache", dev->mdev->priv.dbg_root);
MLX5_IB_UMR_OCTOWORD;
ent->access_mode = MLX5_MKC_ACCESS_MODE_MTT;
if ((dev->mdev->profile->mask & MLX5_PROF_MASK_MR_CACHE) &&
- !dev->rep &&
+ !dev->is_rep &&
mlx5_core_is_pf(dev->mdev))
ent->limit = dev->mdev->profile->mr_cache[i].limit;
else
mr->access_flags = access_flags;
}
-static struct ib_mr *mlx5_ib_get_memic_mr(struct ib_pd *pd, u64 memic_addr,
- u64 length, int acc)
+static struct ib_mr *mlx5_ib_get_dm_mr(struct ib_pd *pd, u64 start_addr,
+ u64 length, int acc, int mode)
{
struct mlx5_ib_dev *dev = to_mdev(pd->device);
int inlen = MLX5_ST_SZ_BYTES(create_mkey_in);
mkc = MLX5_ADDR_OF(create_mkey_in, in, memory_key_mkey_entry);
- MLX5_SET(mkc, mkc, access_mode_1_0, MLX5_MKC_ACCESS_MODE_MEMIC & 0x3);
- MLX5_SET(mkc, mkc, access_mode_4_2,
- (MLX5_MKC_ACCESS_MODE_MEMIC >> 2) & 0x7);
+ MLX5_SET(mkc, mkc, access_mode_1_0, mode & 0x3);
+ MLX5_SET(mkc, mkc, access_mode_4_2, (mode >> 2) & 0x7);
MLX5_SET(mkc, mkc, a, !!(acc & IB_ACCESS_REMOTE_ATOMIC));
MLX5_SET(mkc, mkc, rw, !!(acc & IB_ACCESS_REMOTE_WRITE));
MLX5_SET(mkc, mkc, rr, !!(acc & IB_ACCESS_REMOTE_READ));
MLX5_SET64(mkc, mkc, len, length);
MLX5_SET(mkc, mkc, pd, to_mpd(pd)->pdn);
MLX5_SET(mkc, mkc, qpn, 0xffffff);
- MLX5_SET64(mkc, mkc, start_addr, memic_addr - dev->mdev->bar_addr);
+ MLX5_SET64(mkc, mkc, start_addr, start_addr);
err = mlx5_core_create_mkey(mdev, &mr->mmkey, in, inlen);
if (err)
struct uverbs_attr_bundle *attrs)
{
struct mlx5_ib_dm *mdm = to_mdm(dm);
- u64 memic_addr;
+ struct mlx5_core_dev *dev = to_mdev(dm->device)->mdev;
+ u64 start_addr = mdm->dev_addr + attr->offset;
+ int mode;
- if (attr->access_flags & ~MLX5_IB_DM_ALLOWED_ACCESS)
- return ERR_PTR(-EINVAL);
+ switch (mdm->type) {
+ case MLX5_IB_UAPI_DM_TYPE_MEMIC:
+ if (attr->access_flags & ~MLX5_IB_DM_MEMIC_ALLOWED_ACCESS)
+ return ERR_PTR(-EINVAL);
+
+ mode = MLX5_MKC_ACCESS_MODE_MEMIC;
+ start_addr -= pci_resource_start(dev->pdev, 0);
+ break;
+ case MLX5_IB_UAPI_DM_TYPE_STEERING_SW_ICM:
+ case MLX5_IB_UAPI_DM_TYPE_HEADER_MODIFY_SW_ICM:
+ if (attr->access_flags & ~MLX5_IB_DM_SW_ICM_ALLOWED_ACCESS)
+ return ERR_PTR(-EINVAL);
- memic_addr = mdm->dev_addr + attr->offset;
+ mode = MLX5_MKC_ACCESS_MODE_SW_ICM;
+ break;
+ default:
+ return ERR_PTR(-EINVAL);
+ }
- return mlx5_ib_get_memic_mr(pd, memic_addr, attr->length,
- attr->access_flags);
+ return mlx5_ib_get_dm_mr(pd, start_addr, attr->length,
+ attr->access_flags, mode);
}
struct ib_mr *mlx5_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
kfree(mr);
}
-int mlx5_ib_dereg_mr(struct ib_mr *ibmr)
+int mlx5_ib_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata)
{
dereg_mr(to_mdev(ibmr->device), to_mmr(ibmr));
return 0;
}
-struct ib_mr *mlx5_ib_alloc_mr(struct ib_pd *pd,
- enum ib_mr_type mr_type,
- u32 max_num_sg)
+struct ib_mr *mlx5_ib_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,
+ u32 max_num_sg, struct ib_udata *udata)
{
struct mlx5_ib_dev *dev = to_mdev(pd->device);
int inlen = MLX5_ST_SZ_BYTES(create_mkey_in);
ib_umem_odp_unmap_dma_pages(umem_odp, start, end);
- if (unlikely(!umem->npages && mr->parent &&
+ if (unlikely(!umem_odp->npages && mr->parent &&
!umem_odp->dying)) {
WRITE_ONCE(umem_odp->dying, 1);
atomic_inc(&mr->parent->num_leaf_free);
int depth;
};
+static bool mkey_is_eq(struct mlx5_core_mkey *mmkey, u32 key)
+{
+ if (!mmkey)
+ return false;
+ if (mmkey->type == MLX5_MKEY_MW)
+ return mlx5_base_mkey(mmkey->key) == mlx5_base_mkey(key);
+ return mmkey->key == key;
+}
+
static int get_indirect_num_descs(struct mlx5_core_mkey *mmkey)
{
struct mlx5_ib_mw *mw;
next_mr:
mmkey = __mlx5_mr_lookup(dev->mdev, mlx5_base_mkey(key));
- if (!mmkey || mmkey->key != key) {
+ if (!mkey_is_eq(mmkey, key)) {
mlx5_ib_dbg(dev, "failed to find mkey %x\n", key);
ret = -EFAULT;
goto srcu_unlock;
struct mlx5_pagefault *pfault,
void *wqe,
void *wqe_end, u32 *bytes_mapped,
- u32 *total_wqe_bytes, int receive_queue)
+ u32 *total_wqe_bytes, bool receive_queue)
{
int ret = 0, npages = 0;
u64 io_virt;
static void mlx5_ib_mr_wqe_pfault_handler(struct mlx5_ib_dev *dev,
struct mlx5_pagefault *pfault)
{
- int ret;
- void *wqe, *wqe_end;
+ bool sq = pfault->type & MLX5_PFAULT_REQUESTOR;
+ u16 wqe_index = pfault->wqe.wqe_index;
+ void *wqe = NULL, *wqe_end = NULL;
u32 bytes_mapped, total_wqe_bytes;
- char *buffer = NULL;
+ struct mlx5_core_rsc_common *res;
int resume_with_error = 1;
- u16 wqe_index = pfault->wqe.wqe_index;
- int requestor = pfault->type & MLX5_PFAULT_REQUESTOR;
- struct mlx5_core_rsc_common *res = NULL;
- struct mlx5_ib_qp *qp = NULL;
- struct mlx5_ib_srq *srq = NULL;
+ struct mlx5_ib_qp *qp;
size_t bytes_copied;
+ int ret = 0;
res = odp_get_rsc(dev, pfault->wqe.wq_num, pfault->type);
if (!res) {
return;
}
- switch (res->res) {
- case MLX5_RES_QP:
- qp = res_to_qp(res);
- break;
- case MLX5_RES_SRQ:
- case MLX5_RES_XSRQ:
- srq = res_to_srq(res);
- break;
- default:
- mlx5_ib_err(dev, "wqe page fault for unsupported type %d\n", pfault->type);
+ if (res->res != MLX5_RES_QP && res->res != MLX5_RES_SRQ &&
+ res->res != MLX5_RES_XSRQ) {
+ mlx5_ib_err(dev, "wqe page fault for unsupported type %d\n",
+ pfault->type);
goto resolve_page_fault;
}
- buffer = (char *)__get_free_page(GFP_KERNEL);
- if (!buffer) {
+ wqe = (void *)__get_free_page(GFP_KERNEL);
+ if (!wqe) {
mlx5_ib_err(dev, "Error allocating memory for IO page fault handling.\n");
goto resolve_page_fault;
}
- if (qp) {
- if (requestor) {
- ret = mlx5_ib_read_user_wqe_sq(qp, wqe_index,
- buffer, PAGE_SIZE,
- &bytes_copied);
- } else {
- ret = mlx5_ib_read_user_wqe_rq(qp, wqe_index,
- buffer, PAGE_SIZE,
- &bytes_copied);
- }
- } else {
- ret = mlx5_ib_read_user_wqe_srq(srq, wqe_index,
- buffer, PAGE_SIZE,
+ qp = (res->res == MLX5_RES_QP) ? res_to_qp(res) : NULL;
+ if (qp && sq) {
+ ret = mlx5_ib_read_user_wqe_sq(qp, wqe_index, wqe, PAGE_SIZE,
+ &bytes_copied);
+ if (ret)
+ goto read_user;
+ ret = mlx5_ib_mr_initiator_pfault_handler(
+ dev, pfault, qp, &wqe, &wqe_end, bytes_copied);
+ } else if (qp && !sq) {
+ ret = mlx5_ib_read_user_wqe_rq(qp, wqe_index, wqe, PAGE_SIZE,
+ &bytes_copied);
+ if (ret)
+ goto read_user;
+ ret = mlx5_ib_mr_responder_pfault_handler_rq(
+ dev, qp, wqe, &wqe_end, bytes_copied);
+ } else if (!qp) {
+ struct mlx5_ib_srq *srq = res_to_srq(res);
+
+ ret = mlx5_ib_read_user_wqe_srq(srq, wqe_index, wqe, PAGE_SIZE,
&bytes_copied);
+ if (ret)
+ goto read_user;
+ ret = mlx5_ib_mr_responder_pfault_handler_srq(
+ dev, srq, &wqe, &wqe_end, bytes_copied);
}
- if (ret) {
- mlx5_ib_err(dev, "Failed reading a WQE following page fault, error=%d, wqe_index=%x, qpn=%x\n",
- ret, wqe_index, pfault->token);
+ if (ret < 0 || wqe >= wqe_end)
goto resolve_page_fault;
- }
- wqe = buffer;
- if (requestor)
- ret = mlx5_ib_mr_initiator_pfault_handler(dev, pfault, qp,
- &wqe, &wqe_end,
- bytes_copied);
- else if (qp)
- ret = mlx5_ib_mr_responder_pfault_handler_rq(dev, qp,
- wqe, &wqe_end,
- bytes_copied);
- else
- ret = mlx5_ib_mr_responder_pfault_handler_srq(dev, srq,
- &wqe, &wqe_end,
- bytes_copied);
+ ret = pagefault_data_segments(dev, pfault, wqe, wqe_end, &bytes_mapped,
+ &total_wqe_bytes, !sq);
+ if (ret == -EAGAIN)
+ goto out;
- if (ret < 0)
+ if (ret < 0 || total_wqe_bytes > bytes_mapped)
goto resolve_page_fault;
- if (wqe >= wqe_end) {
- mlx5_ib_err(dev, "ODP fault on invalid WQE.\n");
- goto resolve_page_fault;
- }
+out:
+ ret = 0;
+ resume_with_error = 0;
- ret = pagefault_data_segments(dev, pfault, wqe, wqe_end,
- &bytes_mapped, &total_wqe_bytes,
- !requestor);
- if (ret == -EAGAIN) {
- resume_with_error = 0;
- goto resolve_page_fault;
- } else if (ret < 0 || total_wqe_bytes > bytes_mapped) {
- goto resolve_page_fault;
- }
+read_user:
+ if (ret)
+ mlx5_ib_err(
+ dev,
+ "Failed reading a WQE following page fault, error %d, wqe_index %x, qpn %x\n",
+ ret, wqe_index, pfault->token);
- resume_with_error = 0;
resolve_page_fault:
mlx5_ib_page_fault_resume(dev, pfault, resume_with_error);
mlx5_ib_dbg(dev, "PAGE FAULT completed. QP 0x%x resume_with_error=%d, type: 0x%x\n",
pfault->wqe.wq_num, resume_with_error,
pfault->type);
mlx5_core_res_put(res);
- free_page((unsigned long)buffer);
+ free_page((unsigned long)wqe);
}
static int pages_in_range(u64 address, u32 length)
struct mlx5_rate_limit rl;
u8 rq_q_ctr_id;
+ u16 port;
};
static void get_cqs(enum ib_qp_type qp_type,
}
static void destroy_user_rq(struct mlx5_ib_dev *dev, struct ib_pd *pd,
- struct mlx5_ib_rwq *rwq)
+ struct mlx5_ib_rwq *rwq, struct ib_udata *udata)
{
- struct mlx5_ib_ucontext *context;
+ struct mlx5_ib_ucontext *context =
+ rdma_udata_to_drv_context(
+ udata,
+ struct mlx5_ib_ucontext,
+ ibucontext);
if (rwq->create_flags & MLX5_IB_WQ_FLAGS_DELAY_DROP)
atomic_dec(&dev->delay_drop.rqs_cnt);
- context = to_mucontext(pd->uobject->context);
mlx5_ib_db_unmap_user(context, &rwq->db);
if (rwq->umem)
ib_umem_release(rwq->umem);
}
static void destroy_qp_user(struct mlx5_ib_dev *dev, struct ib_pd *pd,
- struct mlx5_ib_qp *qp, struct mlx5_ib_qp_base *base)
+ struct mlx5_ib_qp *qp, struct mlx5_ib_qp_base *base,
+ struct ib_udata *udata)
{
- struct mlx5_ib_ucontext *context;
+ struct mlx5_ib_ucontext *context =
+ rdma_udata_to_drv_context(
+ udata,
+ struct mlx5_ib_ucontext,
+ ibucontext);
- context = to_mucontext(pd->uobject->context);
mlx5_ib_db_unmap_user(context, &qp->db);
if (base->ubuffer.umem)
ib_umem_release(base->ubuffer.umem);
mlx5_cmd_destroy_tis(dev->mdev, sq->tisn, to_mpd(pd)->uid);
}
-static void destroy_flow_rule_vport_sq(struct mlx5_ib_dev *dev,
- struct mlx5_ib_sq *sq)
+static void destroy_flow_rule_vport_sq(struct mlx5_ib_sq *sq)
{
if (sq->flow_rule)
mlx5_del_flow_rules(sq->flow_rule);
+ sq->flow_rule = NULL;
}
static int create_raw_packet_qp_sq(struct mlx5_ib_dev *dev,
if (err)
goto err_umem;
- err = create_flow_rule_vport_sq(dev, sq);
- if (err)
- goto err_flow;
-
return 0;
-err_flow:
- mlx5_core_destroy_sq_tracked(dev->mdev, &sq->base.mqp);
-
err_umem:
ib_umem_release(sq->ubuffer.umem);
sq->ubuffer.umem = NULL;
static void destroy_raw_packet_qp_sq(struct mlx5_ib_dev *dev,
struct mlx5_ib_sq *sq)
{
- destroy_flow_rule_vport_sq(dev, sq);
+ destroy_flow_rule_vport_sq(sq);
mlx5_core_destroy_sq_tracked(dev->mdev, &sq->base.mqp);
ib_umem_release(sq->ubuffer.umem);
}
static int create_raw_packet_qp_tir(struct mlx5_ib_dev *dev,
struct mlx5_ib_rq *rq, u32 tdn,
u32 *qp_flags_en,
- struct ib_pd *pd)
+ struct ib_pd *pd,
+ u32 *out, int outlen)
{
u8 lb_flag = 0;
u32 *in;
if (*qp_flags_en & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_MC)
lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_MULTICAST;
- if (dev->rep) {
+ if (dev->is_rep) {
lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST;
*qp_flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC;
}
MLX5_SET(tirc, tirc, self_lb_block, lb_flag);
- err = mlx5_core_create_tir(dev->mdev, in, inlen, &rq->tirn);
+ err = mlx5_core_create_tir_out(dev->mdev, in, inlen, out, outlen);
+ rq->tirn = MLX5_GET(create_tir_out, out, tirn);
if (!err && MLX5_GET(tirc, tirc, self_lb_block)) {
err = mlx5_ib_enable_lb(dev, false, true);
int err;
u32 tdn = mucontext->tdn;
u16 uid = to_mpd(pd)->uid;
+ u32 out[MLX5_ST_SZ_DW(create_tir_out)] = {};
if (qp->sq.wqe_cnt) {
err = create_raw_packet_qp_tis(dev, qp, sq, tdn, pd);
if (err)
goto err_destroy_sq;
- err = create_raw_packet_qp_tir(dev, rq, tdn, &qp->flags_en, pd);
+ err = create_raw_packet_qp_tir(
+ dev, rq, tdn, &qp->flags_en, pd, out,
+ MLX5_ST_SZ_BYTES(create_tir_out));
if (err)
goto err_destroy_rq;
resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_RQN;
resp->tirn = rq->tirn;
resp->comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_TIRN;
+ if (MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, sw_owner)) {
+ resp->tir_icm_addr = MLX5_GET(
+ create_tir_out, out, icm_address_31_0);
+ resp->tir_icm_addr |=
+ (u64)MLX5_GET(create_tir_out, out,
+ icm_address_39_32)
+ << 32;
+ resp->tir_icm_addr |=
+ (u64)MLX5_GET(create_tir_out, out,
+ icm_address_63_40)
+ << 40;
+ resp->comp_mask |=
+ MLX5_IB_CREATE_QP_RESP_MASK_TIR_ICM_ADDR;
+ }
}
}
udata, struct mlx5_ib_ucontext, ibucontext);
struct mlx5_ib_create_qp_resp resp = {};
int inlen;
+ int outlen;
int err;
u32 *in;
+ u32 *out;
void *tirc;
void *hfso;
u32 selected_fields = 0;
return -EOPNOTSUPP;
}
- if (ucmd.flags & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC || dev->rep) {
+ if (ucmd.flags & MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC || dev->is_rep) {
lb_flag |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST;
qp->flags_en |= MLX5_QP_FLAG_TIR_ALLOW_SELF_LB_UC;
}
}
inlen = MLX5_ST_SZ_BYTES(create_tir_in);
- in = kvzalloc(inlen, GFP_KERNEL);
+ outlen = MLX5_ST_SZ_BYTES(create_tir_out);
+ in = kvzalloc(inlen + outlen, GFP_KERNEL);
if (!in)
return -ENOMEM;
+ out = in + MLX5_ST_SZ_DW(create_tir_in);
MLX5_SET(create_tir_in, in, uid, to_mpd(pd)->uid);
tirc = MLX5_ADDR_OF(create_tir_in, in, ctx);
MLX5_SET(tirc, tirc, disp_type,
MLX5_SET(rx_hash_field_select, hfso, selected_fields, selected_fields);
create_tir:
- err = mlx5_core_create_tir(dev->mdev, in, inlen, &qp->rss_qp.tirn);
+ err = mlx5_core_create_tir_out(dev->mdev, in, inlen, out, outlen);
+ qp->rss_qp.tirn = MLX5_GET(create_tir_out, out, tirn);
if (!err && MLX5_GET(tirc, tirc, self_lb_block)) {
err = mlx5_ib_enable_lb(dev, false, true);
if (mucontext->devx_uid) {
resp.comp_mask |= MLX5_IB_CREATE_QP_RESP_MASK_TIRN;
resp.tirn = qp->rss_qp.tirn;
+ if (MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, sw_owner)) {
+ resp.tir_icm_addr =
+ MLX5_GET(create_tir_out, out, icm_address_31_0);
+ resp.tir_icm_addr |= (u64)MLX5_GET(create_tir_out, out,
+ icm_address_39_32)
+ << 32;
+ resp.tir_icm_addr |= (u64)MLX5_GET(create_tir_out, out,
+ icm_address_63_40)
+ << 40;
+ resp.comp_mask |=
+ MLX5_IB_CREATE_QP_RESP_MASK_TIR_ICM_ADDR;
+ }
}
err = ib_copy_to_udata(udata, &resp, min(udata->outlen, sizeof(resp)));
err_create:
if (qp->create_type == MLX5_QP_USER)
- destroy_qp_user(dev, pd, qp, base);
+ destroy_qp_user(dev, pd, qp, base, udata);
else if (qp->create_type == MLX5_QP_KERNEL)
destroy_qp_kernel(dev, qp);
const struct mlx5_modify_raw_qp_param *raw_qp_param,
u8 lag_tx_affinity);
-static void destroy_qp_common(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp)
+static void destroy_qp_common(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp,
+ struct ib_udata *udata)
{
struct mlx5_ib_cq *send_cq, *recv_cq;
struct mlx5_ib_qp_base *base;
if (qp->create_type == MLX5_QP_KERNEL)
destroy_qp_kernel(dev, qp);
else if (qp->create_type == MLX5_QP_USER)
- destroy_qp_user(dev, &get_pd(qp)->ibpd, qp, base);
+ destroy_qp_user(dev, &get_pd(qp)->ibpd, qp, base, udata);
}
static const char *ib_qp_type_str(enum ib_qp_type type)
return 0;
}
-int mlx5_ib_destroy_qp(struct ib_qp *qp)
+int mlx5_ib_destroy_qp(struct ib_qp *qp, struct ib_udata *udata)
{
struct mlx5_ib_dev *dev = to_mdev(qp->device);
struct mlx5_ib_qp *mqp = to_mqp(qp);
if (mqp->qp_sub_type == MLX5_IB_QPT_DCT)
return mlx5_ib_destroy_dct(mqp);
- destroy_qp_common(dev, mqp);
+ destroy_qp_common(dev, mqp, udata);
kfree(mqp);
[MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_PKEY_INDEX |
MLX5_QP_OPTPAR_Q_KEY |
MLX5_QP_OPTPAR_PRI_PORT,
+ [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_RRE |
+ MLX5_QP_OPTPAR_RAE |
+ MLX5_QP_OPTPAR_RWE |
+ MLX5_QP_OPTPAR_PKEY_INDEX |
+ MLX5_QP_OPTPAR_PRI_PORT,
},
[MLX5_QP_STATE_RTR] = {
[MLX5_QP_ST_RC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH |
MLX5_QP_OPTPAR_RWE |
MLX5_QP_OPTPAR_PM_STATE,
[MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY,
+ [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH |
+ MLX5_QP_OPTPAR_RRE |
+ MLX5_QP_OPTPAR_RAE |
+ MLX5_QP_OPTPAR_RWE |
+ MLX5_QP_OPTPAR_PM_STATE |
+ MLX5_QP_OPTPAR_RNR_TIMEOUT,
},
},
[MLX5_QP_STATE_RTS] = {
[MLX5_QP_ST_UD] = MLX5_QP_OPTPAR_Q_KEY |
MLX5_QP_OPTPAR_SRQN |
MLX5_QP_OPTPAR_CQN_RCV,
+ [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_RRE |
+ MLX5_QP_OPTPAR_RAE |
+ MLX5_QP_OPTPAR_RWE |
+ MLX5_QP_OPTPAR_RNR_TIMEOUT |
+ MLX5_QP_OPTPAR_PM_STATE |
+ MLX5_QP_OPTPAR_ALT_ADDR_PATH,
},
},
[MLX5_QP_STATE_SQER] = {
MLX5_QP_OPTPAR_RWE |
MLX5_QP_OPTPAR_RAE |
MLX5_QP_OPTPAR_RRE,
+ [MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_RNR_TIMEOUT |
+ MLX5_QP_OPTPAR_RWE |
+ MLX5_QP_OPTPAR_RAE |
+ MLX5_QP_OPTPAR_RRE,
},
},
};
}
if (modify_sq) {
+ struct mlx5_flow_handle *flow_rule;
+
if (tx_affinity) {
err = modify_raw_packet_tx_affinity(dev->mdev, sq,
tx_affinity,
return err;
}
- return modify_raw_packet_qp_sq(dev->mdev, sq, sq_state,
- raw_qp_param, qp->ibqp.pd);
+ flow_rule = create_flow_rule_vport_sq(dev, sq,
+ raw_qp_param->port);
+ if (IS_ERR(flow_rule))
+ return PTR_ERR(flow_rule);
+
+ err = modify_raw_packet_qp_sq(dev->mdev, sq, sq_state,
+ raw_qp_param, qp->ibqp.pd);
+ if (err) {
+ if (flow_rule)
+ mlx5_del_flow_rules(flow_rule);
+ return err;
+ }
+
+ if (flow_rule) {
+ destroy_flow_rule_vport_sq(sq);
+ sq->flow_rule = flow_rule;
+ }
+
+ return err;
}
return 0;
} else {
tx_port_affinity =
(unsigned int)atomic_add_return(
- 1, &dev->roce[port_num].tx_port_affinity) %
+ 1, &dev->port[port_num].roce.tx_port_affinity) %
MLX5_MAX_PORTS +
1;
mlx5_ib_dbg(dev, "Set tx affinity 0x%x to qpn 0x%x\n",
(ibqp->qp_type == IB_QPT_XRC_INI) ||
(ibqp->qp_type == IB_QPT_XRC_TGT)) {
if (dev->lag_active) {
- u8 p = mlx5_core_native_port_num(dev->mdev);
+ u8 p = mlx5_core_native_port_num(dev->mdev) - 1;
tx_affinity = get_tx_affinity(dev, pd, base, p,
udata);
context->flags |= cpu_to_be32(tx_affinity << 24);
raw_qp_param.set_mask |= MLX5_RAW_QP_MOD_SET_RQ_Q_CTR_ID;
}
+ if (attr_mask & IB_QP_PORT)
+ raw_qp_param.port = attr->port_num;
+
if (attr_mask & IB_QP_RATE_LIMIT) {
raw_qp_param.rl.rate = attr->rate_limit;
static void dump_wqe(struct mlx5_ib_qp *qp, u32 idx, int size_16)
{
__be32 *p = NULL;
- u32 tidx = idx;
int i, j;
pr_debug("dump WQE index %u:\n", idx);
for (i = 0, j = 0; i < size_16 * 4; i += 4, j += 4) {
if ((i & 0xf) == 0) {
- tidx = (tidx + 1) & (qp->sq.wqe_cnt - 1);
- p = mlx5_frag_buf_get_wqe(&qp->sq.fbc, tidx);
+ p = mlx5_frag_buf_get_wqe(&qp->sq.fbc, idx);
pr_debug("WQBB at %p:\n", (void *)p);
j = 0;
+ idx = (idx + 1) & (qp->sq.wqe_cnt - 1);
}
pr_debug("%08x %08x %08x %08x\n", be32_to_cpu(p[j]),
be32_to_cpu(p[j + 1]), be32_to_cpu(p[j + 2]),
}
struct ib_xrcd *mlx5_ib_alloc_xrcd(struct ib_device *ibdev,
- struct ib_ucontext *context,
- struct ib_udata *udata)
+ struct ib_udata *udata)
{
struct mlx5_ib_dev *dev = to_mdev(ibdev);
struct mlx5_ib_xrcd *xrcd;
return &xrcd->ibxrcd;
}
-int mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd)
+int mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd, struct ib_udata *udata)
{
struct mlx5_ib_dev *dev = to_mdev(xrcd->device);
u32 xrcdn = to_mxrcd(xrcd)->xrcdn;
err_copy:
mlx5_core_destroy_rq_tracked(dev->mdev, &rwq->core_qp);
err_user_rq:
- destroy_user_rq(dev, pd, rwq);
+ destroy_user_rq(dev, pd, rwq, udata);
err:
kfree(rwq);
return ERR_PTR(err);
}
-int mlx5_ib_destroy_wq(struct ib_wq *wq)
+int mlx5_ib_destroy_wq(struct ib_wq *wq, struct ib_udata *udata)
{
struct mlx5_ib_dev *dev = to_mdev(wq->device);
struct mlx5_ib_rwq *rwq = to_mrwq(wq);
mlx5_core_destroy_rq_tracked(dev->mdev, &rwq->core_qp);
- destroy_user_rq(dev, wq->pd, rwq);
+ destroy_user_rq(dev, wq->pd, rwq, udata);
kfree(rwq);
return 0;
return err;
}
-static void destroy_srq_user(struct ib_pd *pd, struct mlx5_ib_srq *srq)
+static void destroy_srq_user(struct ib_pd *pd, struct mlx5_ib_srq *srq,
+ struct ib_udata *udata)
{
- mlx5_ib_db_unmap_user(to_mucontext(pd->uobject->context), &srq->db);
+ mlx5_ib_db_unmap_user(
+ rdma_udata_to_drv_context(
+ udata,
+ struct mlx5_ib_ucontext,
+ ibucontext),
+ &srq->db);
ib_umem_release(srq->umem);
}
mlx5_db_free(dev->mdev, &srq->db);
}
-struct ib_srq *mlx5_ib_create_srq(struct ib_pd *pd,
- struct ib_srq_init_attr *init_attr,
- struct ib_udata *udata)
+int mlx5_ib_create_srq(struct ib_srq *ib_srq,
+ struct ib_srq_init_attr *init_attr,
+ struct ib_udata *udata)
{
- struct mlx5_ib_dev *dev = to_mdev(pd->device);
- struct mlx5_ib_srq *srq;
+ struct mlx5_ib_dev *dev = to_mdev(ib_srq->device);
+ struct mlx5_ib_srq *srq = to_msrq(ib_srq);
size_t desc_size;
size_t buf_size;
int err;
- struct mlx5_srq_attr in = {0};
+ struct mlx5_srq_attr in = {};
__u32 max_srq_wqes = 1 << MLX5_CAP_GEN(dev->mdev, log_max_srq_sz);
/* Sanity check SRQ size before proceeding */
mlx5_ib_dbg(dev, "max_wr %d, cap %d\n",
init_attr->attr.max_wr,
max_srq_wqes);
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
}
- srq = kmalloc(sizeof(*srq), GFP_KERNEL);
- if (!srq)
- return ERR_PTR(-ENOMEM);
-
mutex_init(&srq->mutex);
spin_lock_init(&srq->lock);
srq->msrq.max = roundup_pow_of_two(init_attr->attr.max_wr + 1);
desc_size = sizeof(struct mlx5_wqe_srq_next_seg) +
srq->msrq.max_gs * sizeof(struct mlx5_wqe_data_seg);
- if (desc_size == 0 || srq->msrq.max_gs > desc_size) {
- err = -EINVAL;
- goto err_srq;
- }
+ if (desc_size == 0 || srq->msrq.max_gs > desc_size)
+ return -EINVAL;
+
desc_size = roundup_pow_of_two(desc_size);
desc_size = max_t(size_t, 32, desc_size);
- if (desc_size < sizeof(struct mlx5_wqe_srq_next_seg)) {
- err = -EINVAL;
- goto err_srq;
- }
+ if (desc_size < sizeof(struct mlx5_wqe_srq_next_seg))
+ return -EINVAL;
+
srq->msrq.max_avail_gather = (desc_size - sizeof(struct mlx5_wqe_srq_next_seg)) /
sizeof(struct mlx5_wqe_data_seg);
srq->msrq.wqe_shift = ilog2(desc_size);
buf_size = srq->msrq.max * desc_size;
- if (buf_size < desc_size) {
- err = -EINVAL;
- goto err_srq;
- }
+ if (buf_size < desc_size)
+ return -EINVAL;
+
in.type = init_attr->srq_type;
if (udata)
- err = create_srq_user(pd, srq, &in, udata, buf_size);
+ err = create_srq_user(ib_srq->pd, srq, &in, udata, buf_size);
else
err = create_srq_kernel(dev, srq, &in, buf_size);
if (err) {
mlx5_ib_warn(dev, "create srq %s failed, err %d\n",
udata ? "user" : "kernel", err);
- goto err_srq;
+ return err;
}
in.log_size = ilog2(srq->msrq.max);
else
in.cqn = to_mcq(dev->devr.c0)->mcq.cqn;
- in.pd = to_mpd(pd)->pdn;
+ in.pd = to_mpd(ib_srq->pd)->pdn;
in.db_record = srq->db.dma;
err = mlx5_cmd_create_srq(dev, &srq->msrq, &in);
kvfree(in.pas);
init_attr->attr.max_wr = srq->msrq.max - 1;
- return &srq->ibsrq;
+ return 0;
err_core:
mlx5_cmd_destroy_srq(dev, &srq->msrq);
err_usr_kern_srq:
if (udata)
- destroy_srq_user(pd, srq);
+ destroy_srq_user(ib_srq->pd, srq, udata);
else
destroy_srq_kernel(dev, srq);
-err_srq:
- kfree(srq);
-
- return ERR_PTR(err);
+ return err;
}
int mlx5_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
return ret;
}
-int mlx5_ib_destroy_srq(struct ib_srq *srq)
+void mlx5_ib_destroy_srq(struct ib_srq *srq, struct ib_udata *udata)
{
struct mlx5_ib_dev *dev = to_mdev(srq->device);
struct mlx5_ib_srq *msrq = to_msrq(srq);
mlx5_cmd_destroy_srq(dev, &msrq->msrq);
if (srq->uobject) {
- mlx5_ib_db_unmap_user(to_mucontext(srq->uobject->context), &msrq->db);
+ mlx5_ib_db_unmap_user(
+ rdma_udata_to_drv_context(
+ udata,
+ struct mlx5_ib_ucontext,
+ ibucontext),
+ &msrq->db);
ib_umem_release(msrq->umem);
} else {
destroy_srq_kernel(dev, msrq);
}
-
- kfree(srq);
- return 0;
}
void mlx5_ib_free_srq_wqe(struct mlx5_ib_srq *srq, int wqe_index)
struct mlx5_srq_table {
struct notifier_block nb;
- /* protect radix tree
- */
- spinlock_t lock;
- struct radix_tree_root tree;
+ struct xarray array;
};
int mlx5_cmd_create_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
struct mlx5_srq_attr *in);
-int mlx5_cmd_destroy_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq);
+void mlx5_cmd_destroy_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq);
int mlx5_cmd_query_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
struct mlx5_srq_attr *out);
int mlx5_cmd_arm_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
struct mlx5_srq_table *table = &dev->srq_table;
struct mlx5_core_srq *srq;
- spin_lock(&table->lock);
-
- srq = radix_tree_lookup(&table->tree, srqn);
+ xa_lock(&table->array);
+ srq = xa_load(&table->array, srqn);
if (srq)
atomic_inc(&srq->common.refcount);
-
- spin_unlock(&table->lock);
+ xa_unlock(&table->array);
return srq;
}
atomic_set(&srq->common.refcount, 1);
init_completion(&srq->common.free);
- spin_lock_irq(&table->lock);
- err = radix_tree_insert(&table->tree, srq->srqn, srq);
- spin_unlock_irq(&table->lock);
+ err = xa_err(xa_store_irq(&table->array, srq->srqn, srq, GFP_KERNEL));
if (err)
goto err_destroy_srq_split;
return err;
}
-int mlx5_cmd_destroy_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq)
+void mlx5_cmd_destroy_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq)
{
struct mlx5_srq_table *table = &dev->srq_table;
struct mlx5_core_srq *tmp;
int err;
- spin_lock_irq(&table->lock);
- tmp = radix_tree_delete(&table->tree, srq->srqn);
- spin_unlock_irq(&table->lock);
+ tmp = xa_erase_irq(&table->array, srq->srqn);
if (!tmp || tmp != srq)
- return -EINVAL;
+ return;
err = destroy_srq_split(dev, srq);
if (err)
- return err;
+ return;
mlx5_core_res_put(&srq->common);
wait_for_completion(&srq->common.free);
-
- return 0;
}
int mlx5_cmd_query_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
eqe = data;
srqn = be32_to_cpu(eqe->data.qp_srq.qp_srq_n) & 0xffffff;
- spin_lock(&table->lock);
-
- srq = radix_tree_lookup(&table->tree, srqn);
+ xa_lock(&table->array);
+ srq = xa_load(&table->array, srqn);
if (srq)
atomic_inc(&srq->common.refcount);
-
- spin_unlock(&table->lock);
+ xa_unlock(&table->array);
if (!srq)
return NOTIFY_OK;
struct mlx5_srq_table *table = &dev->srq_table;
memset(table, 0, sizeof(*table));
- spin_lock_init(&table->lock);
- INIT_RADIX_TREE(&table->tree, GFP_ATOMIC);
+ xa_init_flags(&table->array, XA_FLAGS_LOCK_IRQ);
table->nb.notifier_call = srq_event_notifier;
mlx5_notifier_register(dev->mdev, &table->nb);
__be32 ci_db; /* Arbel only */
__be32 state_db; /* Arbel only */
u32 reserved;
-} __attribute__((packed));
+} __packed;
#define MTHCA_CQ_STATUS_OK ( 0 << 28)
#define MTHCA_CQ_STATUS_OVERFLOW ( 9 << 28)
__be32 consumer_index;
__be32 producer_index;
u32 reserved3[4];
-} __attribute__((packed));
+} __packed;
#define MTHCA_EQ_STATUS_OK ( 0 << 28)
#define MTHCA_EQ_STATUS_OVERFLOW ( 9 << 28)
u32 raw[6];
struct {
__be32 cqn;
- } __attribute__((packed)) comp;
+ } __packed comp;
struct {
u16 reserved1;
__be16 token;
u8 reserved3[3];
u8 status;
__be64 out_param;
- } __attribute__((packed)) cmd;
+ } __packed cmd;
struct {
__be32 qpn;
- } __attribute__((packed)) qp;
+ } __packed qp;
struct {
__be32 srqn;
- } __attribute__((packed)) srq;
+ } __packed srq;
struct {
__be32 cqn;
u32 reserved1;
u8 reserved2[3];
u8 syndrome;
- } __attribute__((packed)) cq_err;
+ } __packed cq_err;
struct {
u32 reserved1[2];
__be32 port;
- } __attribute__((packed)) port_change;
+ } __packed port_change;
} event;
u8 reserved3[3];
u8 owner;
-} __attribute__((packed));
+} __packed;
#define MTHCA_EQ_ENTRY_OWNER_SW (0 << 7)
#define MTHCA_EQ_ENTRY_OWNER_HW (1 << 7)
__be64 mtt_seg;
__be32 mtt_sz; /* Arbel only */
u32 reserved[2];
-} __attribute__((packed));
+} __packed;
#define MTHCA_MPT_FLAG_SW_OWNS (0xfUL << 28)
#define MTHCA_MPT_FLAG_MIO (1 << 17)
return 0;
}
-static int mthca_alloc_pd(struct ib_pd *ibpd, struct ib_ucontext *context,
- struct ib_udata *udata)
+static int mthca_alloc_pd(struct ib_pd *ibpd, struct ib_udata *udata)
{
struct ib_device *ibdev = ibpd->device;
struct mthca_pd *pd = to_mpd(ibpd);
int err;
- err = mthca_pd_alloc(to_mdev(ibdev), !context, pd);
+ err = mthca_pd_alloc(to_mdev(ibdev), !udata, pd);
if (err)
return err;
- if (context) {
+ if (udata) {
if (ib_copy_to_udata(udata, &pd->pd_num, sizeof (__u32))) {
mthca_pd_free(to_mdev(ibdev), pd);
return -EFAULT;
return 0;
}
-static void mthca_dealloc_pd(struct ib_pd *pd)
+static void mthca_dealloc_pd(struct ib_pd *pd, struct ib_udata *udata)
{
mthca_pd_free(to_mdev(pd->device), to_mpd(pd));
}
-static struct ib_ah *mthca_ah_create(struct ib_pd *pd,
- struct rdma_ah_attr *ah_attr,
- u32 flags,
- struct ib_udata *udata)
+static int mthca_ah_create(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr,
+ u32 flags, struct ib_udata *udata)
{
- int err;
- struct mthca_ah *ah;
+ struct mthca_ah *ah = to_mah(ibah);
- ah = kmalloc(sizeof *ah, GFP_ATOMIC);
- if (!ah)
- return ERR_PTR(-ENOMEM);
-
- err = mthca_create_ah(to_mdev(pd->device), to_mpd(pd), ah_attr, ah);
- if (err) {
- kfree(ah);
- return ERR_PTR(err);
- }
-
- return &ah->ibah;
+ return mthca_create_ah(to_mdev(ibah->device), to_mpd(ibah->pd), ah_attr,
+ ah);
}
-static int mthca_ah_destroy(struct ib_ah *ah, u32 flags)
+static void mthca_ah_destroy(struct ib_ah *ah, u32 flags)
{
mthca_destroy_ah(to_mdev(ah->device), to_mah(ah));
- kfree(ah);
-
- return 0;
}
-static struct ib_srq *mthca_create_srq(struct ib_pd *pd,
- struct ib_srq_init_attr *init_attr,
- struct ib_udata *udata)
+static int mthca_create_srq(struct ib_srq *ibsrq,
+ struct ib_srq_init_attr *init_attr,
+ struct ib_udata *udata)
{
struct mthca_create_srq ucmd;
struct mthca_ucontext *context = rdma_udata_to_drv_context(
udata, struct mthca_ucontext, ibucontext);
- struct mthca_srq *srq;
+ struct mthca_srq *srq = to_msrq(ibsrq);
int err;
if (init_attr->srq_type != IB_SRQT_BASIC)
- return ERR_PTR(-EOPNOTSUPP);
-
- srq = kmalloc(sizeof *srq, GFP_KERNEL);
- if (!srq)
- return ERR_PTR(-ENOMEM);
+ return -EOPNOTSUPP;
if (udata) {
- if (ib_copy_from_udata(&ucmd, udata, sizeof ucmd)) {
- err = -EFAULT;
- goto err_free;
- }
+ if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd)))
+ return -EFAULT;
- err = mthca_map_user_db(to_mdev(pd->device), &context->uar,
+ err = mthca_map_user_db(to_mdev(ibsrq->device), &context->uar,
context->db_tab, ucmd.db_index,
ucmd.db_page);
if (err)
- goto err_free;
+ return err;
srq->mr.ibmr.lkey = ucmd.lkey;
srq->db_index = ucmd.db_index;
}
- err = mthca_alloc_srq(to_mdev(pd->device), to_mpd(pd),
+ err = mthca_alloc_srq(to_mdev(ibsrq->device), to_mpd(ibsrq->pd),
&init_attr->attr, srq, udata);
if (err && udata)
- mthca_unmap_user_db(to_mdev(pd->device), &context->uar,
+ mthca_unmap_user_db(to_mdev(ibsrq->device), &context->uar,
context->db_tab, ucmd.db_index);
if (err)
- goto err_free;
+ return err;
- if (context && ib_copy_to_udata(udata, &srq->srqn, sizeof (__u32))) {
- mthca_free_srq(to_mdev(pd->device), srq);
- err = -EFAULT;
- goto err_free;
+ if (context && ib_copy_to_udata(udata, &srq->srqn, sizeof(__u32))) {
+ mthca_free_srq(to_mdev(ibsrq->device), srq);
+ return -EFAULT;
}
- return &srq->ibsrq;
-
-err_free:
- kfree(srq);
-
- return ERR_PTR(err);
+ return 0;
}
-static int mthca_destroy_srq(struct ib_srq *srq)
+static void mthca_destroy_srq(struct ib_srq *srq, struct ib_udata *udata)
{
- struct mthca_ucontext *context;
-
- if (srq->uobject) {
- context = to_mucontext(srq->uobject->context);
+ if (udata) {
+ struct mthca_ucontext *context =
+ rdma_udata_to_drv_context(
+ udata,
+ struct mthca_ucontext,
+ ibucontext);
mthca_unmap_user_db(to_mdev(srq->device), &context->uar,
context->db_tab, to_msrq(srq)->db_index);
}
mthca_free_srq(to_mdev(srq->device), to_msrq(srq));
- kfree(srq);
-
- return 0;
}
static struct ib_qp *mthca_create_qp(struct ib_pd *pd,
return &qp->ibqp;
}
-static int mthca_destroy_qp(struct ib_qp *qp)
+static int mthca_destroy_qp(struct ib_qp *qp, struct ib_udata *udata)
{
- if (qp->uobject) {
+ if (udata) {
+ struct mthca_ucontext *context =
+ rdma_udata_to_drv_context(
+ udata,
+ struct mthca_ucontext,
+ ibucontext);
+
mthca_unmap_user_db(to_mdev(qp->device),
- &to_mucontext(qp->uobject->context)->uar,
- to_mucontext(qp->uobject->context)->db_tab,
+ &context->uar,
+ context->db_tab,
to_mqp(qp)->sq.db_index);
mthca_unmap_user_db(to_mdev(qp->device),
- &to_mucontext(qp->uobject->context)->uar,
- to_mucontext(qp->uobject->context)->db_tab,
+ &context->uar,
+ context->db_tab,
to_mqp(qp)->rq.db_index);
}
mthca_free_qp(to_mdev(qp->device), to_mqp(qp));
static struct ib_cq *mthca_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,
- struct ib_ucontext *context,
struct ib_udata *udata)
{
int entries = attr->cqe;
struct mthca_cq *cq;
int nent;
int err;
+ struct mthca_ucontext *context = rdma_udata_to_drv_context(
+ udata, struct mthca_ucontext, ibucontext);
if (attr->flags)
return ERR_PTR(-EINVAL);
if (entries < 1 || entries > to_mdev(ibdev)->limits.max_cqes)
return ERR_PTR(-EINVAL);
- if (context) {
+ if (udata) {
if (ib_copy_from_udata(&ucmd, udata, sizeof ucmd))
return ERR_PTR(-EFAULT);
- err = mthca_map_user_db(to_mdev(ibdev), &to_mucontext(context)->uar,
- to_mucontext(context)->db_tab,
- ucmd.set_db_index, ucmd.set_db_page);
+ err = mthca_map_user_db(to_mdev(ibdev), &context->uar,
+ context->db_tab, ucmd.set_db_index,
+ ucmd.set_db_page);
if (err)
return ERR_PTR(err);
- err = mthca_map_user_db(to_mdev(ibdev), &to_mucontext(context)->uar,
- to_mucontext(context)->db_tab,
- ucmd.arm_db_index, ucmd.arm_db_page);
+ err = mthca_map_user_db(to_mdev(ibdev), &context->uar,
+ context->db_tab, ucmd.arm_db_index,
+ ucmd.arm_db_page);
if (err)
goto err_unmap_set;
}
goto err_unmap_arm;
}
- if (context) {
+ if (udata) {
cq->buf.mr.ibmr.lkey = ucmd.lkey;
cq->set_ci_db_index = ucmd.set_db_index;
cq->arm_db_index = ucmd.arm_db_index;
for (nent = 1; nent <= entries; nent <<= 1)
; /* nothing */
- err = mthca_init_cq(to_mdev(ibdev), nent,
- context ? to_mucontext(context) : NULL,
- context ? ucmd.pdn : to_mdev(ibdev)->driver_pd.pd_num,
+ err = mthca_init_cq(to_mdev(ibdev), nent, context,
+ udata ? ucmd.pdn : to_mdev(ibdev)->driver_pd.pd_num,
cq);
if (err)
goto err_free;
- if (context && ib_copy_to_udata(udata, &cq->cqn, sizeof (__u32))) {
+ if (udata && ib_copy_to_udata(udata, &cq->cqn, sizeof(__u32))) {
mthca_free_cq(to_mdev(ibdev), cq);
err = -EFAULT;
goto err_free;
kfree(cq);
err_unmap_arm:
- if (context)
- mthca_unmap_user_db(to_mdev(ibdev), &to_mucontext(context)->uar,
- to_mucontext(context)->db_tab, ucmd.arm_db_index);
+ if (udata)
+ mthca_unmap_user_db(to_mdev(ibdev), &context->uar,
+ context->db_tab, ucmd.arm_db_index);
err_unmap_set:
- if (context)
- mthca_unmap_user_db(to_mdev(ibdev), &to_mucontext(context)->uar,
- to_mucontext(context)->db_tab, ucmd.set_db_index);
+ if (udata)
+ mthca_unmap_user_db(to_mdev(ibdev), &context->uar,
+ context->db_tab, ucmd.set_db_index);
return ERR_PTR(err);
}
return ret;
}
-static int mthca_destroy_cq(struct ib_cq *cq)
+static int mthca_destroy_cq(struct ib_cq *cq, struct ib_udata *udata)
{
- if (cq->uobject) {
+ if (udata) {
+ struct mthca_ucontext *context =
+ rdma_udata_to_drv_context(
+ udata,
+ struct mthca_ucontext,
+ ibucontext);
+
mthca_unmap_user_db(to_mdev(cq->device),
- &to_mucontext(cq->uobject->context)->uar,
- to_mucontext(cq->uobject->context)->db_tab,
+ &context->uar,
+ context->db_tab,
to_mcq(cq)->arm_db_index);
mthca_unmap_user_db(to_mdev(cq->device),
- &to_mucontext(cq->uobject->context)->uar,
- to_mucontext(cq->uobject->context)->db_tab,
+ &context->uar,
+ context->db_tab,
to_mcq(cq)->set_ci_db_index);
}
mthca_free_cq(to_mdev(cq->device), to_mcq(cq));
goto err;
}
- n = mr->umem->nmap;
+ n = ib_umem_num_pages(mr->umem);
mr->mtt = mthca_alloc_mtt(dev, n);
if (IS_ERR(mr->mtt)) {
return ERR_PTR(err);
}
-static int mthca_dereg_mr(struct ib_mr *mr)
+static int mthca_dereg_mr(struct ib_mr *mr, struct ib_udata *udata)
{
struct mthca_mr *mmr = to_mmr(mr);
.query_qp = mthca_query_qp,
.reg_user_mr = mthca_reg_user_mr,
.resize_cq = mthca_resize_cq,
+
+ INIT_RDMA_OBJ_SIZE(ib_ah, mthca_ah, ibah),
INIT_RDMA_OBJ_SIZE(ib_pd, mthca_pd, ibpd),
INIT_RDMA_OBJ_SIZE(ib_ucontext, mthca_ucontext, ibucontext),
};
.modify_srq = mthca_modify_srq,
.post_srq_recv = mthca_arbel_post_srq_recv,
.query_srq = mthca_query_srq,
+
+ INIT_RDMA_OBJ_SIZE(ib_srq, mthca_srq, ibsrq),
};
static const struct ib_device_ops mthca_dev_tavor_srq_ops = {
.modify_srq = mthca_modify_srq,
.post_srq_recv = mthca_tavor_post_srq_recv,
.query_srq = mthca_query_srq,
+
+ INIT_RDMA_OBJ_SIZE(ib_srq, mthca_srq, ibsrq),
};
static const struct ib_device_ops mthca_dev_arbel_fmr_ops = {
u8 hop_limit;
__be32 sl_tclass_flowlabel;
u8 rgid[16];
-} __attribute__((packed));
+} __packed;
struct mthca_qp_context {
__be32 flags;
__be16 rq_wqe_counter; /* reserved on Tavor */
__be16 sq_wqe_counter; /* reserved on Tavor */
u32 reserved3[18];
-} __attribute__((packed));
+} __packed;
struct mthca_qp_param {
__be32 opt_param_mask;
u32 reserved1;
struct mthca_qp_context context;
u32 reserved2[62];
-} __attribute__((packed));
+} __packed;
enum {
MTHCA_QP_OPTPAR_ALT_ADDR_PATH = 1 << 0,
/* Need to free the Last Streaming Mode Message */
if (nesqp->ietf_frame) {
if (nesqp->lsmm_mr)
- nesibdev->ibdev.ops.dereg_mr(nesqp->lsmm_mr);
+ nesibdev->ibdev.ops.dereg_mr(nesqp->lsmm_mr,
+ NULL);
pci_free_consistent(nesdev->pcidev,
nesqp->private_data_len + nesqp->ietf_frame_size,
nesqp->ietf_frame, nesqp->ietf_frame_pbase);
atomic_t sw_qps_destroyed;
static void nes_unregister_ofa_device(struct nes_ib_device *nesibdev);
-static int nes_dereg_mr(struct ib_mr *ib_mr);
+static int nes_dereg_mr(struct ib_mr *ib_mr, struct ib_udata *udata);
/**
* nes_alloc_mw
/*
* nes_alloc_mr
*/
-static struct ib_mr *nes_alloc_mr(struct ib_pd *ibpd,
- enum ib_mr_type mr_type,
- u32 max_num_sg)
+static struct ib_mr *nes_alloc_mr(struct ib_pd *ibpd, enum ib_mr_type mr_type,
+ u32 max_num_sg, struct ib_udata *udata)
{
struct nes_pd *nespd = to_nespd(ibpd);
struct nes_vnic *nesvnic = to_nesvnic(ibpd->device);
return ibmr;
err:
- nes_dereg_mr(ibmr);
+ nes_dereg_mr(ibmr, udata);
return ERR_PTR(-ENOMEM);
}
/**
* nes_alloc_pd
*/
-static int nes_alloc_pd(struct ib_pd *pd, struct ib_ucontext *context,
- struct ib_udata *udata)
+static int nes_alloc_pd(struct ib_pd *pd, struct ib_udata *udata)
{
struct ib_device *ibdev = pd->device;
struct nes_pd *nespd = to_nespd(pd);
struct nes_vnic *nesvnic = to_nesvnic(ibdev);
struct nes_device *nesdev = nesvnic->nesdev;
struct nes_adapter *nesadapter = nesdev->nesadapter;
- struct nes_ucontext *nesucontext;
struct nes_alloc_pd_resp uresp;
u32 pd_num = 0;
int err;
+ struct nes_ucontext *nesucontext = rdma_udata_to_drv_context(
+ udata, struct nes_ucontext, ibucontext);
- nes_debug(NES_DBG_PD, "nesvnic=%p, netdev=%p %s, ibdev=%p, context=%p, netdev refcnt=%u\n",
- nesvnic, nesdev->netdev[0], nesdev->netdev[0]->name, ibdev, context,
- netdev_refcnt_read(nesvnic->netdev));
+ nes_debug(
+ NES_DBG_PD,
+ "nesvnic=%p, netdev=%p %s, ibdev=%p, context=%p, netdev refcnt=%u\n",
+ nesvnic, nesdev->netdev[0], nesdev->netdev[0]->name, ibdev,
+ &nesucontext->ibucontext, netdev_refcnt_read(nesvnic->netdev));
err = nes_alloc_resource(nesadapter, nesadapter->allocated_pds,
nesadapter->max_pd, &pd_num, &nesadapter->next_pd, NES_RESOURCE_PD);
nespd->pd_id = (pd_num << (PAGE_SHIFT-12)) + nesadapter->base_pd;
- if (context) {
- nesucontext = to_nesucontext(context);
+ if (udata) {
nespd->mmap_db_index = find_next_zero_bit(nesucontext->allocated_doorbells,
NES_MAX_USER_DB_REGIONS, nesucontext->first_free_db);
nes_debug(NES_DBG_PD, "find_first_zero_biton doorbells returned %u, mapping pd_id %u.\n",
/**
* nes_dealloc_pd
*/
-static void nes_dealloc_pd(struct ib_pd *ibpd)
+static void nes_dealloc_pd(struct ib_pd *ibpd, struct ib_udata *udata)
{
struct nes_ucontext *nesucontext;
struct nes_pd *nespd = to_nespd(ibpd);
struct nes_device *nesdev = nesvnic->nesdev;
struct nes_adapter *nesadapter = nesdev->nesadapter;
- if ((ibpd->uobject) && (ibpd->uobject->context)) {
- nesucontext = to_nesucontext(ibpd->uobject->context);
+ if (udata) {
+ nesucontext =
+ rdma_udata_to_drv_context(
+ udata,
+ struct nes_ucontext,
+ ibucontext);
nes_debug(NES_DBG_PD, "Clearing bit %u from allocated doorbells\n",
nespd->mmap_db_index);
clear_bit(nespd->mmap_db_index, nesucontext->allocated_doorbells);
}
if (req.user_qp_buffer)
nesqp->nesuqp_addr = req.user_qp_buffer;
- if (udata) {
- nesqp->user_mode = 1;
- if (virt_wqs) {
- err = 1;
- list_for_each_entry(nespbl, &nes_ucontext->qp_reg_mem_list, list) {
- if (nespbl->user_base == (unsigned long )req.user_wqe_buffers) {
- list_del(&nespbl->list);
- err = 0;
- nes_debug(NES_DBG_QP, "Found PBL for virtual QP. nespbl=%p. user_base=0x%lx\n",
- nespbl, nespbl->user_base);
- break;
- }
- }
- if (err) {
- nes_debug(NES_DBG_QP, "Didn't Find PBL for virtual QP. address = %llx.\n",
- (long long unsigned int)req.user_wqe_buffers);
- nes_free_resource(nesadapter, nesadapter->allocated_qps, qp_num);
- kfree(nesqp->allocated_buffer);
- return ERR_PTR(-EFAULT);
+
+ nesqp->user_mode = 1;
+ if (virt_wqs) {
+ err = 1;
+ list_for_each_entry(nespbl, &nes_ucontext->qp_reg_mem_list, list) {
+ if (nespbl->user_base == (unsigned long )req.user_wqe_buffers) {
+ list_del(&nespbl->list);
+ err = 0;
+ nes_debug(NES_DBG_QP, "Found PBL for virtual QP. nespbl=%p. user_base=0x%lx\n",
+ nespbl, nespbl->user_base);
+ break;
}
}
-
- nesqp->mmap_sq_db_index =
- find_next_zero_bit(nes_ucontext->allocated_wqs,
- NES_MAX_USER_WQ_REGIONS, nes_ucontext->first_free_wq);
- /* nes_debug(NES_DBG_QP, "find_first_zero_biton wqs returned %u\n",
- nespd->mmap_db_index); */
- if (nesqp->mmap_sq_db_index >= NES_MAX_USER_WQ_REGIONS) {
- nes_debug(NES_DBG_QP,
- "db index > max user regions, failing create QP\n");
+ if (err) {
+ nes_debug(NES_DBG_QP, "Didn't Find PBL for virtual QP. address = %llx.\n",
+ (long long unsigned int)req.user_wqe_buffers);
nes_free_resource(nesadapter, nesadapter->allocated_qps, qp_num);
- if (virt_wqs) {
- pci_free_consistent(nesdev->pcidev, nespbl->pbl_size, nespbl->pbl_vbase,
- nespbl->pbl_pbase);
- kfree(nespbl);
- }
kfree(nesqp->allocated_buffer);
- return ERR_PTR(-ENOMEM);
+ return ERR_PTR(-EFAULT);
}
- set_bit(nesqp->mmap_sq_db_index, nes_ucontext->allocated_wqs);
- nes_ucontext->mmap_nesqp[nesqp->mmap_sq_db_index] = nesqp;
- nes_ucontext->first_free_wq = nesqp->mmap_sq_db_index + 1;
- } else {
+ }
+
+ nesqp->mmap_sq_db_index =
+ find_next_zero_bit(nes_ucontext->allocated_wqs,
+ NES_MAX_USER_WQ_REGIONS, nes_ucontext->first_free_wq);
+ /* nes_debug(NES_DBG_QP, "find_first_zero_biton wqs returned %u\n",
+ nespd->mmap_db_index); */
+ if (nesqp->mmap_sq_db_index >= NES_MAX_USER_WQ_REGIONS) {
+ nes_debug(NES_DBG_QP,
+ "db index > max user regions, failing create QP\n");
nes_free_resource(nesadapter, nesadapter->allocated_qps, qp_num);
+ if (virt_wqs) {
+ pci_free_consistent(nesdev->pcidev, nespbl->pbl_size, nespbl->pbl_vbase,
+ nespbl->pbl_pbase);
+ kfree(nespbl);
+ }
kfree(nesqp->allocated_buffer);
- return ERR_PTR(-EFAULT);
+ return ERR_PTR(-ENOMEM);
}
+ set_bit(nesqp->mmap_sq_db_index, nes_ucontext->allocated_wqs);
+ nes_ucontext->mmap_nesqp[nesqp->mmap_sq_db_index] = nesqp;
+ nes_ucontext->first_free_wq = nesqp->mmap_sq_db_index + 1;
}
err = (!virt_wqs) ? nes_setup_mmap_qp(nesqp, nesvnic, sq_size, rq_size) :
nes_setup_virt_qp(nesqp, nespbl, nesvnic, sq_size, rq_size);
/**
* nes_destroy_qp
*/
-static int nes_destroy_qp(struct ib_qp *ibqp)
+static int nes_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata)
{
struct nes_qp *nesqp = to_nesqp(ibqp);
struct nes_ucontext *nes_ucontext;
}
if (nesqp->user_mode) {
- if ((ibqp->uobject)&&(ibqp->uobject->context)) {
- nes_ucontext = to_nesucontext(ibqp->uobject->context);
+ if (udata) {
+ nes_ucontext =
+ rdma_udata_to_drv_context(
+ udata,
+ struct nes_ucontext,
+ ibucontext);
clear_bit(nesqp->mmap_sq_db_index, nes_ucontext->allocated_wqs);
nes_ucontext->mmap_nesqp[nesqp->mmap_sq_db_index] = NULL;
if (nes_ucontext->first_free_wq > nesqp->mmap_sq_db_index) {
*/
static struct ib_cq *nes_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,
- struct ib_ucontext *context,
struct ib_udata *udata)
{
int entries = attr->cqe;
nescq->hw_cq.cq_number = cq_num;
nescq->ibcq.cqe = nescq->hw_cq.cq_size - 1;
+ if (udata) {
+ struct nes_ucontext *nes_ucontext = rdma_udata_to_drv_context(
+ udata, struct nes_ucontext, ibucontext);
- if (context) {
- nes_ucontext = to_nesucontext(context);
if (ib_copy_from_udata(&req, udata, sizeof (struct nes_create_cq_req))) {
nes_free_resource(nesadapter, nesadapter->allocated_cqs, cq_num);
kfree(nescq);
cqp_request = nes_get_cqp_request(nesdev);
if (cqp_request == NULL) {
nes_debug(NES_DBG_CQ, "Failed to get a cqp_request.\n");
- if (!context)
+ if (!udata)
pci_free_consistent(nesdev->pcidev, nescq->cq_mem_size, mem,
nescq->hw_cq.cq_pbase);
else {
if (nesadapter->free_4kpbl == 0) {
spin_unlock_irqrestore(&nesadapter->pbl_lock, flags);
nes_free_cqp_request(nesdev, cqp_request);
- if (!context)
+ if (!udata)
pci_free_consistent(nesdev->pcidev, nescq->cq_mem_size, mem,
nescq->hw_cq.cq_pbase);
else {
if (nesadapter->free_256pbl == 0) {
spin_unlock_irqrestore(&nesadapter->pbl_lock, flags);
nes_free_cqp_request(nesdev, cqp_request);
- if (!context)
+ if (!udata)
pci_free_consistent(nesdev->pcidev, nescq->cq_mem_size, mem,
nescq->hw_cq.cq_pbase);
else {
set_wqe_32bit_value(cqp_wqe->wqe_words, NES_CQP_WQE_ID_IDX,
(nescq->hw_cq.cq_number | ((u32)nesdev->ceq_index << 16)));
- if (context) {
+ if (udata) {
if (pbl_entries != 1)
u64temp = (u64)nespbl->pbl_pbase;
else
nescq->hw_cq.cq_number, ret);
if ((!ret) || (cqp_request->major_code)) {
nes_put_cqp_request(nesdev, cqp_request);
- if (!context)
+ if (!udata)
pci_free_consistent(nesdev->pcidev, nescq->cq_mem_size, mem,
nescq->hw_cq.cq_pbase);
else {
}
nes_put_cqp_request(nesdev, cqp_request);
- if (context) {
+ if (udata) {
/* free the nespbl */
pci_free_consistent(nesdev->pcidev, nespbl->pbl_size, nespbl->pbl_vbase,
nespbl->pbl_pbase);
/**
* nes_destroy_cq
*/
-static int nes_destroy_cq(struct ib_cq *ib_cq)
+static int nes_destroy_cq(struct ib_cq *ib_cq, struct ib_udata *udata)
{
struct nes_cq *nescq;
struct nes_device *nesdev;
/**
* nes_dereg_mr
*/
-static int nes_dereg_mr(struct ib_mr *ib_mr)
+static int nes_dereg_mr(struct ib_mr *ib_mr, struct ib_udata *udata)
{
struct nes_mr *nesmr = to_nesmr(ib_mr);
struct nes_vnic *nesvnic = to_nesvnic(ib_mr->device);
.get_dev_fw_str = get_dev_fw_str,
.get_dma_mr = nes_get_dma_mr,
.get_port_immutable = nes_port_immutable,
+ .iw_accept = nes_accept,
+ .iw_add_ref = nes_add_ref,
+ .iw_connect = nes_connect,
+ .iw_create_listen = nes_create_listen,
+ .iw_destroy_listen = nes_destroy_listen,
+ .iw_get_qp = nes_get_qp,
+ .iw_reject = nes_reject,
+ .iw_rem_ref = nes_rem_ref,
.map_mr_sg = nes_map_mr_sg,
.mmap = nes_mmap,
.modify_qp = nes_modify_qp,
nesibdev->ibdev.num_comp_vectors = 1;
nesibdev->ibdev.dev.parent = &nesdev->pcidev->dev;
- nesibdev->ibdev.iwcm = kzalloc(sizeof(*nesibdev->ibdev.iwcm), GFP_KERNEL);
- if (nesibdev->ibdev.iwcm == NULL) {
- ib_dealloc_device(&nesibdev->ibdev);
- return NULL;
- }
- nesibdev->ibdev.iwcm->add_ref = nes_add_ref;
- nesibdev->ibdev.iwcm->rem_ref = nes_rem_ref;
- nesibdev->ibdev.iwcm->get_qp = nes_get_qp;
- nesibdev->ibdev.iwcm->connect = nes_connect;
- nesibdev->ibdev.iwcm->accept = nes_accept;
- nesibdev->ibdev.iwcm->reject = nes_reject;
- nesibdev->ibdev.iwcm->create_listen = nes_create_listen;
- nesibdev->ibdev.iwcm->destroy_listen = nes_destroy_listen;
-
ib_set_device_ops(&nesibdev->ibdev, &nes_dev_ops);
- memcpy(nesibdev->ibdev.iwcm->ifname, netdev->name,
- sizeof(nesibdev->ibdev.iwcm->ifname));
+ memcpy(nesibdev->ibdev.iw_ifname, netdev->name,
+ sizeof(nesibdev->ibdev.iw_ifname));
return nesibdev;
}
nes_unregister_ofa_device(nesibdev);
- kfree(nesibdev->ibdev.iwcm);
ib_dealloc_device(&nesibdev->ibdev);
}
return status;
}
-struct ib_ah *ocrdma_create_ah(struct ib_pd *ibpd, struct rdma_ah_attr *attr,
- u32 flags, struct ib_udata *udata)
+int ocrdma_create_ah(struct ib_ah *ibah, struct rdma_ah_attr *attr, u32 flags,
+ struct ib_udata *udata)
{
u32 *ahid_addr;
int status;
- struct ocrdma_ah *ah;
+ struct ocrdma_ah *ah = get_ocrdma_ah(ibah);
bool isvlan = false;
u16 vlan_tag = 0xffff;
const struct ib_gid_attr *sgid_attr;
- struct ocrdma_pd *pd = get_ocrdma_pd(ibpd);
- struct ocrdma_dev *dev = get_ocrdma_dev(ibpd->device);
+ struct ocrdma_pd *pd = get_ocrdma_pd(ibah->pd);
+ struct ocrdma_dev *dev = get_ocrdma_dev(ibah->device);
if ((attr->type != RDMA_AH_ATTR_TYPE_ROCE) ||
!(rdma_ah_get_ah_flags(attr) & IB_AH_GRH))
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
if (atomic_cmpxchg(&dev->update_sl, 1, 0))
ocrdma_init_service_level(dev);
- ah = kzalloc(sizeof(*ah), GFP_ATOMIC);
- if (!ah)
- return ERR_PTR(-ENOMEM);
+ sgid_attr = attr->grh.sgid_attr;
+ status = rdma_read_gid_l2_fields(sgid_attr, &vlan_tag, NULL);
+ if (status)
+ return status;
status = ocrdma_alloc_av(dev, ah);
if (status)
goto av_err;
- sgid_attr = attr->grh.sgid_attr;
- if (is_vlan_dev(sgid_attr->ndev))
- vlan_tag = vlan_dev_vlan_id(sgid_attr->ndev);
-
/* Get network header type for this GID */
ah->hdr_type = rdma_gid_attr_network_type(sgid_attr);
OCRDMA_AH_VLAN_VALID_SHIFT);
}
- return &ah->ibah;
+ return 0;
av_conf_err:
ocrdma_free_av(dev, ah);
av_err:
- kfree(ah);
- return ERR_PTR(status);
+ return status;
}
-int ocrdma_destroy_ah(struct ib_ah *ibah, u32 flags)
+void ocrdma_destroy_ah(struct ib_ah *ibah, u32 flags)
{
struct ocrdma_ah *ah = get_ocrdma_ah(ibah);
struct ocrdma_dev *dev = get_ocrdma_dev(ibah->device);
ocrdma_free_av(dev, ah);
- kfree(ah);
- return 0;
}
int ocrdma_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *attr)
OCRDMA_AH_L3_TYPE_SHIFT = 0x1D /* 29 bits */
};
-struct ib_ah *ocrdma_create_ah(struct ib_pd *pd, struct rdma_ah_attr *ah_attr,
- u32 flags, struct ib_udata *udata);
-int ocrdma_destroy_ah(struct ib_ah *ah, u32 flags);
+int ocrdma_create_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr, u32 flags,
+ struct ib_udata *udata);
+void ocrdma_destroy_ah(struct ib_ah *ah, u32 flags);
int ocrdma_query_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr);
int ocrdma_process_mad(struct ib_device *,
int status;
struct rdma_ah_attr *ah_attr = &attrs->ah_attr;
const struct ib_gid_attr *sgid_attr;
- u32 vlan_id = 0xFFFF;
+ u16 vlan_id = 0xFFFF;
u8 mac_addr[6], hdr_type;
union {
struct sockaddr _sockaddr;
sizeof(cmd->params.dgid));
sgid_attr = ah_attr->grh.sgid_attr;
- vlan_id = rdma_vlan_dev_vlan_id(sgid_attr->ndev);
- memcpy(mac_addr, sgid_attr->ndev->dev_addr, ETH_ALEN);
+ status = rdma_read_gid_l2_fields(sgid_attr, &vlan_id, &mac_addr[0]);
+ if (status)
+ return status;
qp->sgid_idx = grh->sgid_index;
memcpy(&cmd->params.sgid[0], &sgid_attr->gid.raw[0],
return status;
}
-int ocrdma_mbx_destroy_srq(struct ocrdma_dev *dev, struct ocrdma_srq *srq)
+void ocrdma_mbx_destroy_srq(struct ocrdma_dev *dev, struct ocrdma_srq *srq)
{
- int status = -ENOMEM;
struct ocrdma_destroy_srq *cmd;
struct pci_dev *pdev = dev->nic_info.pdev;
cmd = ocrdma_init_emb_mqe(OCRDMA_CMD_DELETE_SRQ, sizeof(*cmd));
if (!cmd)
- return status;
+ return;
cmd->id = srq->id;
- status = ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd);
+ ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd);
if (srq->rq.va)
dma_free_coherent(&pdev->dev, srq->rq.len,
srq->rq.va, srq->rq.pa);
kfree(cmd);
- return status;
}
static int ocrdma_mbx_get_dcbx_config(struct ocrdma_dev *dev, u32 ptype,
return status;
}
-int ocrdma_free_av(struct ocrdma_dev *dev, struct ocrdma_ah *ah)
+void ocrdma_free_av(struct ocrdma_dev *dev, struct ocrdma_ah *ah)
{
unsigned long flags;
spin_lock_irqsave(&dev->av_tbl.lock, flags);
ah->av->valid = 0;
spin_unlock_irqrestore(&dev->av_tbl.lock, flags);
- return 0;
}
static int ocrdma_create_eqs(struct ocrdma_dev *dev)
struct ocrdma_pd *);
int ocrdma_mbx_modify_srq(struct ocrdma_srq *, struct ib_srq_attr *);
int ocrdma_mbx_query_srq(struct ocrdma_srq *, struct ib_srq_attr *);
-int ocrdma_mbx_destroy_srq(struct ocrdma_dev *, struct ocrdma_srq *);
+void ocrdma_mbx_destroy_srq(struct ocrdma_dev *dev, struct ocrdma_srq *srq);
-int ocrdma_alloc_av(struct ocrdma_dev *, struct ocrdma_ah *);
-int ocrdma_free_av(struct ocrdma_dev *, struct ocrdma_ah *);
+int ocrdma_alloc_av(struct ocrdma_dev *dev, struct ocrdma_ah *ah);
+void ocrdma_free_av(struct ocrdma_dev *dev, struct ocrdma_ah *ah);
int ocrdma_qp_state_change(struct ocrdma_qp *, enum ib_qp_state new_state,
enum ib_qp_state *old_ib_state);
MODULE_AUTHOR("Emulex Corporation");
MODULE_LICENSE("Dual BSD/GPL");
-static DEFINE_IDR(ocrdma_dev_id);
-
void ocrdma_get_guid(struct ocrdma_dev *dev, u8 *guid)
{
u8 mac_addr[6];
.get_dev_fw_str = get_dev_fw_str,
.get_dma_mr = ocrdma_get_dma_mr,
.get_link_layer = ocrdma_link_layer,
- .get_netdev = ocrdma_get_netdev,
.get_port_immutable = ocrdma_port_immutable,
.map_mr_sg = ocrdma_map_mr_sg,
.mmap = ocrdma_mmap,
.reg_user_mr = ocrdma_reg_user_mr,
.req_notify_cq = ocrdma_arm_cq,
.resize_cq = ocrdma_resize_cq,
+
+ INIT_RDMA_OBJ_SIZE(ib_ah, ocrdma_ah, ibah),
INIT_RDMA_OBJ_SIZE(ib_pd, ocrdma_pd, ibpd),
INIT_RDMA_OBJ_SIZE(ib_ucontext, ocrdma_ucontext, ibucontext),
};
.modify_srq = ocrdma_modify_srq,
.post_srq_recv = ocrdma_post_srq_recv,
.query_srq = ocrdma_query_srq,
+
+ INIT_RDMA_OBJ_SIZE(ib_srq, ocrdma_srq, ibsrq),
};
static int ocrdma_register_device(struct ocrdma_dev *dev)
{
+ int ret;
+
ocrdma_get_guid(dev, (u8 *)&dev->ibdev.node_guid);
BUILD_BUG_ON(sizeof(OCRDMA_NODE_DESC) > IB_DEVICE_NODE_DESC_MAX);
memcpy(dev->ibdev.node_desc, OCRDMA_NODE_DESC,
}
rdma_set_device_sysfs_group(&dev->ibdev, &ocrdma_attr_group);
dev->ibdev.driver_id = RDMA_DRIVER_OCRDMA;
+ ret = ib_device_set_netdev(&dev->ibdev, dev->nic_info.netdev, 1);
+ if (ret)
+ return ret;
+
return ib_register_device(&dev->ibdev, "ocrdma%d");
}
pr_err("Unable to allocate ib device\n");
return NULL;
}
+
dev->mbx_cmd = kzalloc(sizeof(struct ocrdma_mqe_emb_cmd), GFP_KERNEL);
if (!dev->mbx_cmd)
- goto idr_err;
+ goto init_err;
memcpy(&dev->nic_info, dev_info, sizeof(*dev_info));
- dev->id = idr_alloc(&ocrdma_dev_id, NULL, 0, 0, GFP_KERNEL);
- if (dev->id < 0)
- goto idr_err;
-
+ dev->id = PCI_FUNC(dev->nic_info.pdev->devfn);
status = ocrdma_init_hw(dev);
if (status)
goto init_err;
ocrdma_free_resources(dev);
ocrdma_cleanup_hw(dev);
init_err:
- idr_remove(&ocrdma_dev_id, dev->id);
-idr_err:
kfree(dev->mbx_cmd);
ib_dealloc_device(&dev->ibdev);
pr_err("%s() leaving. ret=%d\n", __func__, status);
static void ocrdma_remove_free(struct ocrdma_dev *dev)
{
- idr_remove(&ocrdma_dev_id, dev->id);
kfree(dev->mbx_cmd);
ib_dealloc_device(&dev->ibdev);
}
{
be_roce_unregister_driver(&ocrdma_drv);
ocrdma_rem_debugfs();
- idr_destroy(&ocrdma_dev_id);
}
module_init(ocrdma_init_module);
#include <rdma/ib_umem.h>
#include <rdma/ib_addr.h>
#include <rdma/ib_cache.h>
+#include <rdma/uverbs_ioctl.h>
#include "ocrdma.h"
#include "ocrdma_hw.h"
return 0;
}
-struct net_device *ocrdma_get_netdev(struct ib_device *ibdev, u8 port_num)
-{
- struct ocrdma_dev *dev;
- struct net_device *ndev = NULL;
-
- rcu_read_lock();
-
- dev = get_ocrdma_dev(ibdev);
- if (dev)
- ndev = dev->nic_info.netdev;
- if (ndev)
- dev_hold(ndev);
-
- rcu_read_unlock();
-
- return ndev;
-}
-
static inline void get_link_speed_and_width(struct ocrdma_dev *dev,
u8 *ib_speed, u8 *ib_width)
{
return status;
}
+/*
+ * NOTE:
+ *
+ * ocrdma_ucontext must be used here because this function is also
+ * called from ocrdma_alloc_ucontext where ib_udata does not have
+ * valid ib_ucontext pointer. ib_uverbs_get_context does not call
+ * uobj_{alloc|get_xxx} helpers which are used to store the
+ * ib_ucontext in uverbs_attr_bundle wrapping the ib_udata. so
+ * ib_udata does NOT imply valid ib_ucontext here!
+ */
static int _ocrdma_alloc_pd(struct ocrdma_dev *dev, struct ocrdma_pd *pd,
struct ocrdma_ucontext *uctx,
struct ib_udata *udata)
}
static int ocrdma_copy_pd_uresp(struct ocrdma_dev *dev, struct ocrdma_pd *pd,
- struct ib_ucontext *ib_ctx,
struct ib_udata *udata)
{
int status;
u64 dpp_page_addr = 0;
u32 db_page_size;
struct ocrdma_alloc_pd_uresp rsp;
- struct ocrdma_ucontext *uctx = get_ocrdma_ucontext(ib_ctx);
+ struct ocrdma_ucontext *uctx = rdma_udata_to_drv_context(
+ udata, struct ocrdma_ucontext, ibucontext);
memset(&rsp, 0, sizeof(rsp));
rsp.id = pd->id;
return status;
}
-int ocrdma_alloc_pd(struct ib_pd *ibpd, struct ib_ucontext *context,
- struct ib_udata *udata)
+int ocrdma_alloc_pd(struct ib_pd *ibpd, struct ib_udata *udata)
{
struct ib_device *ibdev = ibpd->device;
struct ocrdma_dev *dev = get_ocrdma_dev(ibdev);
struct ocrdma_pd *pd;
- struct ocrdma_ucontext *uctx = NULL;
int status;
u8 is_uctx_pd = false;
+ struct ocrdma_ucontext *uctx = rdma_udata_to_drv_context(
+ udata, struct ocrdma_ucontext, ibucontext);
- if (udata && context) {
- uctx = get_ocrdma_ucontext(context);
+ if (udata) {
pd = ocrdma_get_ucontext_pd(uctx);
if (pd) {
is_uctx_pd = true;
goto exit;
pd_mapping:
- if (udata && context) {
- status = ocrdma_copy_pd_uresp(dev, pd, context, udata);
+ if (udata) {
+ status = ocrdma_copy_pd_uresp(dev, pd, udata);
if (status)
goto err;
}
return status;
}
-void ocrdma_dealloc_pd(struct ib_pd *ibpd)
+void ocrdma_dealloc_pd(struct ib_pd *ibpd, struct ib_udata *udata)
{
struct ocrdma_pd *pd = get_ocrdma_pd(ibpd);
struct ocrdma_dev *dev = get_ocrdma_dev(ibpd->device);
return ERR_PTR(status);
}
-int ocrdma_dereg_mr(struct ib_mr *ib_mr)
+int ocrdma_dereg_mr(struct ib_mr *ib_mr, struct ib_udata *udata)
{
struct ocrdma_mr *mr = get_ocrdma_mr(ib_mr);
struct ocrdma_dev *dev = get_ocrdma_dev(ib_mr->device);
}
static int ocrdma_copy_cq_uresp(struct ocrdma_dev *dev, struct ocrdma_cq *cq,
- struct ib_udata *udata,
- struct ib_ucontext *ib_ctx)
+ struct ib_udata *udata)
{
int status;
- struct ocrdma_ucontext *uctx = get_ocrdma_ucontext(ib_ctx);
+ struct ocrdma_ucontext *uctx = rdma_udata_to_drv_context(
+ udata, struct ocrdma_ucontext, ibucontext);
struct ocrdma_create_cq_uresp uresp;
+ /* this must be user flow! */
+ if (!udata)
+ return -EINVAL;
+
memset(&uresp, 0, sizeof(uresp));
uresp.cq_id = cq->id;
uresp.page_size = PAGE_ALIGN(cq->len);
struct ib_cq *ocrdma_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,
- struct ib_ucontext *ib_ctx,
struct ib_udata *udata)
{
int entries = attr->cqe;
struct ocrdma_cq *cq;
struct ocrdma_dev *dev = get_ocrdma_dev(ibdev);
- struct ocrdma_ucontext *uctx = NULL;
+ struct ocrdma_ucontext *uctx = rdma_udata_to_drv_context(
+ udata, struct ocrdma_ucontext, ibucontext);
u16 pd_id = 0;
int status;
struct ocrdma_create_cq_ureq ureq;
INIT_LIST_HEAD(&cq->sq_head);
INIT_LIST_HEAD(&cq->rq_head);
- if (ib_ctx) {
- uctx = get_ocrdma_ucontext(ib_ctx);
+ if (udata)
pd_id = uctx->cntxt_pd->id;
- }
status = ocrdma_mbx_create_cq(dev, cq, entries, ureq.dpp_cq, pd_id);
if (status) {
kfree(cq);
return ERR_PTR(status);
}
- if (ib_ctx) {
- status = ocrdma_copy_cq_uresp(dev, cq, udata, ib_ctx);
+ if (udata) {
+ status = ocrdma_copy_cq_uresp(dev, cq, udata);
if (status)
goto ctx_err;
}
spin_unlock_irqrestore(&cq->cq_lock, flags);
}
-int ocrdma_destroy_cq(struct ib_cq *ibcq)
+int ocrdma_destroy_cq(struct ib_cq *ibcq, struct ib_udata *udata)
{
struct ocrdma_cq *cq = get_ocrdma_cq(ibcq);
struct ocrdma_eq *eq = NULL;
spin_unlock_irqrestore(&dev->flush_q_lock, flags);
}
-int ocrdma_destroy_qp(struct ib_qp *ibqp)
+int ocrdma_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata)
{
struct ocrdma_pd *pd;
struct ocrdma_qp *qp;
return status;
}
-struct ib_srq *ocrdma_create_srq(struct ib_pd *ibpd,
- struct ib_srq_init_attr *init_attr,
- struct ib_udata *udata)
+int ocrdma_create_srq(struct ib_srq *ibsrq, struct ib_srq_init_attr *init_attr,
+ struct ib_udata *udata)
{
- int status = -ENOMEM;
- struct ocrdma_pd *pd = get_ocrdma_pd(ibpd);
- struct ocrdma_dev *dev = get_ocrdma_dev(ibpd->device);
- struct ocrdma_srq *srq;
+ int status;
+ struct ocrdma_pd *pd = get_ocrdma_pd(ibsrq->pd);
+ struct ocrdma_dev *dev = get_ocrdma_dev(ibsrq->device);
+ struct ocrdma_srq *srq = get_ocrdma_srq(ibsrq);
if (init_attr->attr.max_sge > dev->attr.max_recv_sge)
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
if (init_attr->attr.max_wr > dev->attr.max_rqe)
- return ERR_PTR(-EINVAL);
-
- srq = kzalloc(sizeof(*srq), GFP_KERNEL);
- if (!srq)
- return ERR_PTR(status);
+ return -EINVAL;
spin_lock_init(&srq->q_lock);
srq->pd = pd;
srq->db = dev->nic_info.db + (pd->id * dev->nic_info.db_page_size);
status = ocrdma_mbx_create_srq(dev, srq, init_attr, pd);
if (status)
- goto err;
+ return status;
- if (udata == NULL) {
- status = -ENOMEM;
+ if (!udata) {
srq->rqe_wr_id_tbl = kcalloc(srq->rq.max_cnt, sizeof(u64),
GFP_KERNEL);
- if (srq->rqe_wr_id_tbl == NULL)
+ if (!srq->rqe_wr_id_tbl) {
+ status = -ENOMEM;
goto arm_err;
+ }
srq->bit_fields_len = (srq->rq.max_cnt / 32) +
(srq->rq.max_cnt % 32 ? 1 : 0);
srq->idx_bit_fields =
kmalloc_array(srq->bit_fields_len, sizeof(u32),
GFP_KERNEL);
- if (srq->idx_bit_fields == NULL)
+ if (!srq->idx_bit_fields) {
+ status = -ENOMEM;
goto arm_err;
+ }
memset(srq->idx_bit_fields, 0xff,
srq->bit_fields_len * sizeof(u32));
}
goto arm_err;
}
- return &srq->ibsrq;
+ return 0;
arm_err:
ocrdma_mbx_destroy_srq(dev, srq);
-err:
kfree(srq->rqe_wr_id_tbl);
kfree(srq->idx_bit_fields);
- kfree(srq);
- return ERR_PTR(status);
+ return status;
}
int ocrdma_modify_srq(struct ib_srq *ibsrq,
return status;
}
-int ocrdma_destroy_srq(struct ib_srq *ibsrq)
+void ocrdma_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata)
{
- int status;
struct ocrdma_srq *srq;
struct ocrdma_dev *dev = get_ocrdma_dev(ibsrq->device);
srq = get_ocrdma_srq(ibsrq);
- status = ocrdma_mbx_destroy_srq(dev, srq);
+ ocrdma_mbx_destroy_srq(dev, srq);
if (srq->pd->uctx)
ocrdma_del_mmap(srq->pd->uctx, (u64) srq->rq.pa,
kfree(srq->idx_bit_fields);
kfree(srq->rqe_wr_id_tbl);
- kfree(srq);
- return status;
}
/* unprivileged verbs and their support functions. */
return 0;
}
-struct ib_mr *ocrdma_alloc_mr(struct ib_pd *ibpd,
- enum ib_mr_type mr_type,
- u32 max_num_sg)
+struct ib_mr *ocrdma_alloc_mr(struct ib_pd *ibpd, enum ib_mr_type mr_type,
+ u32 max_num_sg, struct ib_udata *udata)
{
int status;
struct ocrdma_mr *mr;
ocrdma_query_protocol(struct ib_device *device, u8 port_num);
void ocrdma_get_guid(struct ocrdma_dev *, u8 *guid);
-struct net_device *ocrdma_get_netdev(struct ib_device *device, u8 port_num);
int ocrdma_query_pkey(struct ib_device *, u8 port, u16 index, u16 *pkey);
int ocrdma_alloc_ucontext(struct ib_ucontext *uctx, struct ib_udata *udata);
int ocrdma_mmap(struct ib_ucontext *, struct vm_area_struct *vma);
-int ocrdma_alloc_pd(struct ib_pd *pd, struct ib_ucontext *uctx,
- struct ib_udata *udata);
-void ocrdma_dealloc_pd(struct ib_pd *pd);
+int ocrdma_alloc_pd(struct ib_pd *pd, struct ib_udata *udata);
+void ocrdma_dealloc_pd(struct ib_pd *pd, struct ib_udata *udata);
struct ib_cq *ocrdma_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,
- struct ib_ucontext *ib_ctx,
struct ib_udata *udata);
int ocrdma_resize_cq(struct ib_cq *, int cqe, struct ib_udata *);
-int ocrdma_destroy_cq(struct ib_cq *);
+int ocrdma_destroy_cq(struct ib_cq *ibcq, struct ib_udata *udata);
struct ib_qp *ocrdma_create_qp(struct ib_pd *,
struct ib_qp_init_attr *attrs,
int ocrdma_query_qp(struct ib_qp *,
struct ib_qp_attr *qp_attr,
int qp_attr_mask, struct ib_qp_init_attr *);
-int ocrdma_destroy_qp(struct ib_qp *);
+int ocrdma_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata);
void ocrdma_del_flush_qp(struct ocrdma_qp *qp);
-struct ib_srq *ocrdma_create_srq(struct ib_pd *, struct ib_srq_init_attr *,
- struct ib_udata *);
+int ocrdma_create_srq(struct ib_srq *srq, struct ib_srq_init_attr *attr,
+ struct ib_udata *udata);
int ocrdma_modify_srq(struct ib_srq *, struct ib_srq_attr *,
enum ib_srq_attr_mask, struct ib_udata *);
int ocrdma_query_srq(struct ib_srq *, struct ib_srq_attr *);
-int ocrdma_destroy_srq(struct ib_srq *);
+void ocrdma_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata);
int ocrdma_post_srq_recv(struct ib_srq *, const struct ib_recv_wr *,
const struct ib_recv_wr **bad_recv_wr);
-int ocrdma_dereg_mr(struct ib_mr *);
+int ocrdma_dereg_mr(struct ib_mr *ib_mr, struct ib_udata *udata);
struct ib_mr *ocrdma_get_dma_mr(struct ib_pd *, int acc);
struct ib_mr *ocrdma_reg_user_mr(struct ib_pd *, u64 start, u64 length,
u64 virt, int acc, struct ib_udata *);
-struct ib_mr *ocrdma_alloc_mr(struct ib_pd *pd,
- enum ib_mr_type mr_type,
- u32 max_num_sg);
+struct ib_mr *ocrdma_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,
+ u32 max_num_sg, struct ib_udata *udata);
int ocrdma_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents,
unsigned int *sg_offset);
#include <linux/iommu.h>
#include <linux/pci.h>
#include <net/addrconf.h>
-#include <linux/idr.h>
#include <linux/qed/qed_chain.h>
#include <linux/qed/qed_if.h>
(fw_ver >> 8) & 0xFF, fw_ver & 0xFF);
}
-static struct net_device *qedr_get_netdev(struct ib_device *dev, u8 port_num)
-{
- struct qedr_dev *qdev;
-
- qdev = get_qedr_dev(dev);
- dev_hold(qdev->ndev);
-
- /* The HW vendor's device driver must guarantee
- * that this function returns NULL before the net device has finished
- * NETDEV_UNREGISTER state.
- */
- return qdev->ndev;
-}
-
static int qedr_roce_port_immutable(struct ib_device *ibdev, u8 port_num,
struct ib_port_immutable *immutable)
{
static const struct ib_device_ops qedr_iw_dev_ops = {
.get_port_immutable = qedr_iw_port_immutable,
+ .iw_accept = qedr_iw_accept,
+ .iw_add_ref = qedr_iw_qp_add_ref,
+ .iw_connect = qedr_iw_connect,
+ .iw_create_listen = qedr_iw_create_listen,
+ .iw_destroy_listen = qedr_iw_destroy_listen,
+ .iw_get_qp = qedr_iw_get_qp,
+ .iw_reject = qedr_iw_reject,
+ .iw_rem_ref = qedr_iw_qp_rem_ref,
.query_gid = qedr_iw_query_gid,
};
ib_set_device_ops(&dev->ibdev, &qedr_iw_dev_ops);
- dev->ibdev.iwcm = kzalloc(sizeof(*dev->ibdev.iwcm), GFP_KERNEL);
- if (!dev->ibdev.iwcm)
- return -ENOMEM;
-
- dev->ibdev.iwcm->connect = qedr_iw_connect;
- dev->ibdev.iwcm->accept = qedr_iw_accept;
- dev->ibdev.iwcm->reject = qedr_iw_reject;
- dev->ibdev.iwcm->create_listen = qedr_iw_create_listen;
- dev->ibdev.iwcm->destroy_listen = qedr_iw_destroy_listen;
- dev->ibdev.iwcm->add_ref = qedr_iw_qp_add_ref;
- dev->ibdev.iwcm->rem_ref = qedr_iw_qp_rem_ref;
- dev->ibdev.iwcm->get_qp = qedr_iw_get_qp;
-
- memcpy(dev->ibdev.iwcm->ifname,
- dev->ndev->name, sizeof(dev->ibdev.iwcm->ifname));
+ memcpy(dev->ibdev.iw_ifname,
+ dev->ndev->name, sizeof(dev->ibdev.iw_ifname));
return 0;
}
.get_dev_fw_str = qedr_get_dev_fw_str,
.get_dma_mr = qedr_get_dma_mr,
.get_link_layer = qedr_link_layer,
- .get_netdev = qedr_get_netdev,
.map_mr_sg = qedr_map_mr_sg,
.mmap = qedr_mmap,
.modify_port = qedr_modify_port,
.reg_user_mr = qedr_reg_user_mr,
.req_notify_cq = qedr_arm_cq,
.resize_cq = qedr_resize_cq,
+
+ INIT_RDMA_OBJ_SIZE(ib_ah, qedr_ah, ibah),
INIT_RDMA_OBJ_SIZE(ib_pd, qedr_pd, ibpd),
+ INIT_RDMA_OBJ_SIZE(ib_srq, qedr_srq, ibsrq),
INIT_RDMA_OBJ_SIZE(ib_ucontext, qedr_ucontext, ibucontext),
};
ib_set_device_ops(&dev->ibdev, &qedr_dev_ops);
dev->ibdev.driver_id = RDMA_DRIVER_QEDR;
+ rc = ib_device_set_netdev(&dev->ibdev, dev->ndev, 1);
+ if (rc)
+ return rc;
+
return ib_register_device(&dev->ibdev, "qedr%d");
}
spin_lock_init(&dev->sgid_lock);
if (IS_IWARP(dev)) {
- spin_lock_init(&dev->qpidr.idr_lock);
- idr_init(&dev->qpidr.idr);
+ xa_init_flags(&dev->qps, XA_FLAGS_LOCK_IRQ);
dev->iwarp_wq = create_singlethread_workqueue("qedr_iwarpq");
}
break;
case EVENT_TYPE_SRQ:
srq_id = (u16)roce_handle64;
- spin_lock_irqsave(&dev->srqidr.idr_lock, flags);
- srq = idr_find(&dev->srqidr.idr, srq_id);
+ xa_lock_irqsave(&dev->srqs, flags);
+ srq = xa_load(&dev->srqs, srq_id);
if (srq) {
ibsrq = &srq->ibsrq;
if (ibsrq->event_handler) {
"SRQ event with NULL pointer ibsrq. Handle=%llx\n",
roce_handle64);
}
- spin_unlock_irqrestore(&dev->srqidr.idr_lock, flags);
+ xa_unlock_irqrestore(&dev->srqs, flags);
DP_NOTICE(dev, "SRQ event %d on handle %p\n", e_code, srq);
default:
break;
#define __QEDR_H__
#include <linux/pci.h>
-#include <linux/idr.h>
+#include <linux/xarray.h>
#include <rdma/ib_addr.h>
#include <linux/qed/qed_if.h>
#include <linux/qed/qed_chain.h>
#define QEDR_ENET_STATE_BIT (0)
-struct qedr_idr {
- spinlock_t idr_lock; /* Protect idr data-structure */
- struct idr idr;
-};
-
struct qedr_dev {
struct ib_device ibdev;
struct qed_dev *cdev;
struct qedr_cq *gsi_rqcq;
struct qedr_qp *gsi_qp;
enum qed_rdma_type rdma_type;
- struct qedr_idr qpidr;
- struct qedr_idr srqidr;
+ struct xarray qps;
+ struct xarray srqs;
struct workqueue_struct *iwarp_wq;
u16 iwarp_max_mtu;
int rc = 0;
int i;
- qp = idr_find(&dev->qpidr.idr, conn_param->qpn);
+ qp = xa_load(&dev->qps, conn_param->qpn);
if (unlikely(!qp))
return -EINVAL;
DP_DEBUG(dev, QEDR_MSG_IWARP, "Accept on qpid=%d\n", conn_param->qpn);
- qp = idr_find(&dev->qpidr.idr, conn_param->qpn);
+ qp = xa_load(&dev->qps, conn_param->qpn);
if (!qp) {
DP_ERR(dev, "Invalid QP number %d\n", conn_param->qpn);
return -EINVAL;
struct qedr_qp *qp = get_qedr_qp(ibqp);
if (atomic_dec_and_test(&qp->refcnt)) {
- spin_lock_irq(&qp->dev->qpidr.idr_lock);
- idr_remove(&qp->dev->qpidr.idr, qp->qp_id);
- spin_unlock_irq(&qp->dev->qpidr.idr_lock);
+ xa_erase_irq(&qp->dev->qps, qp->qp_id);
kfree(qp);
}
}
{
struct qedr_dev *dev = get_qedr_dev(ibdev);
- return idr_find(&dev->qpidr.idr, qpn);
+ return xa_load(&dev->qps, qpn);
}
bool has_udp = false;
int i;
- send_size = 0;
- for (i = 0; i < swr->num_sge; ++i)
- send_size += swr->sg_list[i].length;
+ rc = rdma_read_gid_l2_fields(sgid_attr, &vlan_id, NULL);
+ if (rc)
+ return rc;
- vlan_id = rdma_vlan_dev_vlan_id(sgid_attr->ndev);
if (vlan_id < VLAN_CFI_MASK)
has_vlan = true;
+ send_size = 0;
+ for (i = 0; i < swr->num_sge; ++i)
+ send_size += swr->sg_list[i].length;
+
has_udp = (sgid_attr->gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP);
if (!has_udp) {
/* RoCE v1 */
#include <rdma/ib_umem.h>
#include <rdma/ib_addr.h>
#include <rdma/ib_cache.h>
+#include <rdma/uverbs_ioctl.h>
#include <linux/qed/common_hsi.h>
#include "qedr_hsi_rdma.h"
vma->vm_page_prot);
}
-int qedr_alloc_pd(struct ib_pd *ibpd, struct ib_ucontext *context,
- struct ib_udata *udata)
+int qedr_alloc_pd(struct ib_pd *ibpd, struct ib_udata *udata)
{
struct ib_device *ibdev = ibpd->device;
struct qedr_dev *dev = get_qedr_dev(ibdev);
int rc;
DP_DEBUG(dev, QEDR_MSG_INIT, "Function called from: %s\n",
- (udata && context) ? "User Lib" : "Kernel");
+ udata ? "User Lib" : "Kernel");
if (!dev->rdma_ctx) {
DP_ERR(dev, "invalid RDMA context\n");
pd->pd_id = pd_id;
- if (udata && context) {
+ if (udata) {
struct qedr_alloc_pd_uresp uresp = {
.pd_id = pd_id,
};
+ struct qedr_ucontext *context = rdma_udata_to_drv_context(
+ udata, struct qedr_ucontext, ibucontext);
rc = qedr_ib_copy_to_udata(udata, &uresp, sizeof(uresp));
if (rc) {
return rc;
}
- pd->uctx = get_qedr_ucontext(context);
+ pd->uctx = context;
pd->uctx->pd = pd;
}
return 0;
}
-void qedr_dealloc_pd(struct ib_pd *ibpd)
+void qedr_dealloc_pd(struct ib_pd *ibpd, struct ib_udata *udata)
{
struct qedr_dev *dev = get_qedr_dev(ibpd->device);
struct qedr_pd *pd = get_qedr_pd(ibpd);
struct ib_cq *qedr_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,
- struct ib_ucontext *ib_ctx, struct ib_udata *udata)
+ struct ib_udata *udata)
{
- struct qedr_ucontext *ctx = get_qedr_ucontext(ib_ctx);
+ struct qedr_ucontext *ctx = rdma_udata_to_drv_context(
+ udata, struct qedr_ucontext, ibucontext);
struct qed_rdma_destroy_cq_out_params destroy_oparams;
struct qed_rdma_destroy_cq_in_params destroy_iparams;
struct qedr_dev *dev = get_qedr_dev(ibdev);
cq->sig = QEDR_CQ_MAGIC_NUMBER;
spin_lock_init(&cq->cq_lock);
- if (ib_ctx) {
+ if (udata) {
rc = qedr_copy_cq_uresp(dev, cq, udata);
if (rc)
goto err3;
#define QEDR_DESTROY_CQ_MAX_ITERATIONS (10)
#define QEDR_DESTROY_CQ_ITER_DURATION (10)
-int qedr_destroy_cq(struct ib_cq *ibcq)
+int qedr_destroy_cq(struct ib_cq *ibcq, struct ib_udata *udata)
{
struct qedr_dev *dev = get_qedr_dev(ibcq->device);
struct qed_rdma_destroy_cq_out_params oparams;
dev->ops->common->chain_free(dev->cdev, &cq->pbl);
- if (ibcq->uobject && ibcq->uobject->context) {
+ if (udata) {
qedr_free_pbl(dev, &cq->q.pbl_info, cq->q.pbl_tbl);
ib_umem_release(cq->q.umem);
}
enum rdma_network_type nw_type;
const struct ib_global_route *grh = rdma_ah_read_grh(&attr->ah_attr);
u32 ipv4_addr;
+ int ret;
int i;
gid_attr = grh->sgid_attr;
- qp_params->vlan_id = rdma_vlan_dev_vlan_id(gid_attr->ndev);
+ ret = rdma_read_gid_l2_fields(gid_attr, &qp_params->vlan_id, NULL);
+ if (ret)
+ return ret;
nw_type = rdma_gid_attr_network_type(gid_attr);
switch (nw_type) {
}
}
-static int qedr_check_srq_params(struct ib_pd *ibpd, struct qedr_dev *dev,
+static int qedr_check_srq_params(struct qedr_dev *dev,
struct ib_srq_init_attr *attrs,
struct ib_udata *udata)
{
return rc;
}
-static int qedr_idr_add(struct qedr_dev *dev, struct qedr_idr *qidr,
- void *ptr, u32 id);
-static void qedr_idr_remove(struct qedr_dev *dev,
- struct qedr_idr *qidr, u32 id);
-
-struct ib_srq *qedr_create_srq(struct ib_pd *ibpd,
- struct ib_srq_init_attr *init_attr,
- struct ib_udata *udata)
+int qedr_create_srq(struct ib_srq *ibsrq, struct ib_srq_init_attr *init_attr,
+ struct ib_udata *udata)
{
struct qed_rdma_destroy_srq_in_params destroy_in_params;
struct qed_rdma_create_srq_in_params in_params = {};
- struct qedr_dev *dev = get_qedr_dev(ibpd->device);
+ struct qedr_dev *dev = get_qedr_dev(ibsrq->device);
struct qed_rdma_create_srq_out_params out_params;
- struct qedr_pd *pd = get_qedr_pd(ibpd);
+ struct qedr_pd *pd = get_qedr_pd(ibsrq->pd);
struct qedr_create_srq_ureq ureq = {};
u64 pbl_base_addr, phy_prod_pair_addr;
struct qedr_srq_hwq_info *hw_srq;
u32 page_cnt, page_size;
- struct qedr_srq *srq;
+ struct qedr_srq *srq = get_qedr_srq(ibsrq);
int rc = 0;
DP_DEBUG(dev, QEDR_MSG_QP,
"create SRQ called from %s (pd %p)\n",
(udata) ? "User lib" : "kernel", pd);
- rc = qedr_check_srq_params(ibpd, dev, init_attr, udata);
+ rc = qedr_check_srq_params(dev, init_attr, udata);
if (rc)
- return ERR_PTR(-EINVAL);
-
- srq = kzalloc(sizeof(*srq), GFP_KERNEL);
- if (!srq)
- return ERR_PTR(-ENOMEM);
+ return -EINVAL;
srq->dev = dev;
hw_srq = &srq->hw_srq;
goto err2;
}
- rc = qedr_idr_add(dev, &dev->srqidr, srq, srq->srq_id);
+ rc = xa_insert_irq(&dev->srqs, srq->srq_id, srq, GFP_KERNEL);
if (rc)
goto err2;
DP_DEBUG(dev, QEDR_MSG_SRQ,
"create srq: created srq with srq_id=0x%0x\n", srq->srq_id);
- return &srq->ibsrq;
+ return 0;
err2:
destroy_in_params.srq_id = srq->srq_id;
else
qedr_free_srq_kernel_params(srq);
err0:
- kfree(srq);
-
- return ERR_PTR(-EFAULT);
+ return -EFAULT;
}
-int qedr_destroy_srq(struct ib_srq *ibsrq)
+void qedr_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata)
{
struct qed_rdma_destroy_srq_in_params in_params = {};
struct qedr_dev *dev = get_qedr_dev(ibsrq->device);
struct qedr_srq *srq = get_qedr_srq(ibsrq);
- qedr_idr_remove(dev, &dev->srqidr, srq->srq_id);
+ xa_erase_irq(&dev->srqs, srq->srq_id);
in_params.srq_id = srq->srq_id;
dev->ops->rdma_destroy_srq(dev->rdma_ctx, &in_params);
DP_DEBUG(dev, QEDR_MSG_SRQ,
"destroy srq: destroyed srq with srq_id=0x%0x\n",
srq->srq_id);
- kfree(srq);
-
- return 0;
}
int qedr_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
qp->usq.buf_len, qp->urq.buf_addr, qp->urq.buf_len);
}
-static int qedr_idr_add(struct qedr_dev *dev, struct qedr_idr *qidr,
- void *ptr, u32 id)
-{
- int rc;
-
- idr_preload(GFP_KERNEL);
- spin_lock_irq(&qidr->idr_lock);
-
- rc = idr_alloc(&qidr->idr, ptr, id, id + 1, GFP_ATOMIC);
-
- spin_unlock_irq(&qidr->idr_lock);
- idr_preload_end();
-
- return rc < 0 ? rc : 0;
-}
-
-static void qedr_idr_remove(struct qedr_dev *dev, struct qedr_idr *qidr, u32 id)
-{
- spin_lock_irq(&qidr->idr_lock);
- idr_remove(&qidr->idr, id);
- spin_unlock_irq(&qidr->idr_lock);
-}
-
static inline void
qedr_iwarp_populate_user_qp(struct qedr_dev *dev,
struct qedr_qp *qp,
qp->ibqp.qp_num = qp->qp_id;
if (rdma_protocol_iwarp(&dev->ibdev, 1)) {
- rc = qedr_idr_add(dev, &dev->qpidr, qp, qp->qp_id);
+ rc = xa_insert_irq(&dev->qps, qp->qp_id, qp, GFP_KERNEL);
if (rc)
goto err;
}
return rc;
}
-static int qedr_free_qp_resources(struct qedr_dev *dev, struct qedr_qp *qp)
+static int qedr_free_qp_resources(struct qedr_dev *dev, struct qedr_qp *qp,
+ struct ib_udata *udata)
{
int rc = 0;
return rc;
}
- if (qp->ibqp.uobject && qp->ibqp.uobject->context)
+ if (udata)
qedr_cleanup_user(dev, qp);
else
qedr_cleanup_kernel(dev, qp);
return 0;
}
-int qedr_destroy_qp(struct ib_qp *ibqp)
+int qedr_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata)
{
struct qedr_qp *qp = get_qedr_qp(ibqp);
struct qedr_dev *dev = qp->dev;
if (qp->qp_type == IB_QPT_GSI)
qedr_destroy_gsi_qp(dev);
- qedr_free_qp_resources(dev, qp);
+ qedr_free_qp_resources(dev, qp, udata);
if (atomic_dec_and_test(&qp->refcnt) &&
rdma_protocol_iwarp(&dev->ibdev, 1)) {
- qedr_idr_remove(dev, &dev->qpidr, qp->qp_id);
+ xa_erase_irq(&dev->qps, qp->qp_id);
kfree(qp);
}
return rc;
}
-struct ib_ah *qedr_create_ah(struct ib_pd *ibpd, struct rdma_ah_attr *attr,
- u32 flags, struct ib_udata *udata)
+int qedr_create_ah(struct ib_ah *ibah, struct rdma_ah_attr *attr, u32 flags,
+ struct ib_udata *udata)
{
- struct qedr_ah *ah;
-
- ah = kzalloc(sizeof(*ah), GFP_ATOMIC);
- if (!ah)
- return ERR_PTR(-ENOMEM);
+ struct qedr_ah *ah = get_qedr_ah(ibah);
rdma_copy_ah_attr(&ah->attr, attr);
- return &ah->ibah;
+ return 0;
}
-int qedr_destroy_ah(struct ib_ah *ibah, u32 flags)
+void qedr_destroy_ah(struct ib_ah *ibah, u32 flags)
{
struct qedr_ah *ah = get_qedr_ah(ibah);
rdma_destroy_ah_attr(&ah->attr);
- kfree(ah);
- return 0;
}
static void free_mr_info(struct qedr_dev *dev, struct mr_info *info)
return ERR_PTR(rc);
}
-int qedr_dereg_mr(struct ib_mr *ib_mr)
+int qedr_dereg_mr(struct ib_mr *ib_mr, struct ib_udata *udata)
{
struct qedr_mr *mr = get_qedr_mr(ib_mr);
struct qedr_dev *dev = get_qedr_dev(ib_mr->device);
return ERR_PTR(rc);
}
-struct ib_mr *qedr_alloc_mr(struct ib_pd *ibpd,
- enum ib_mr_type mr_type, u32 max_num_sg)
+struct ib_mr *qedr_alloc_mr(struct ib_pd *ibpd, enum ib_mr_type mr_type,
+ u32 max_num_sg, struct ib_udata *udata)
{
struct qedr_mr *mr;
void qedr_dealloc_ucontext(struct ib_ucontext *uctx);
int qedr_mmap(struct ib_ucontext *, struct vm_area_struct *vma);
-int qedr_alloc_pd(struct ib_pd *pd, struct ib_ucontext *uctx,
- struct ib_udata *udata);
-void qedr_dealloc_pd(struct ib_pd *pd);
+int qedr_alloc_pd(struct ib_pd *pd, struct ib_udata *udata);
+void qedr_dealloc_pd(struct ib_pd *pd, struct ib_udata *udata);
struct ib_cq *qedr_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,
- struct ib_ucontext *ib_ctx,
struct ib_udata *udata);
int qedr_resize_cq(struct ib_cq *, int cqe, struct ib_udata *);
-int qedr_destroy_cq(struct ib_cq *);
+int qedr_destroy_cq(struct ib_cq *ibcq, struct ib_udata *udata);
int qedr_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags flags);
struct ib_qp *qedr_create_qp(struct ib_pd *, struct ib_qp_init_attr *attrs,
struct ib_udata *);
int attr_mask, struct ib_udata *udata);
int qedr_query_qp(struct ib_qp *, struct ib_qp_attr *qp_attr,
int qp_attr_mask, struct ib_qp_init_attr *);
-int qedr_destroy_qp(struct ib_qp *ibqp);
+int qedr_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata);
-struct ib_srq *qedr_create_srq(struct ib_pd *ibpd,
- struct ib_srq_init_attr *attr,
- struct ib_udata *udata);
+int qedr_create_srq(struct ib_srq *ibsrq, struct ib_srq_init_attr *attr,
+ struct ib_udata *udata);
int qedr_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
int qedr_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr);
-int qedr_destroy_srq(struct ib_srq *ibsrq);
+void qedr_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata);
int qedr_post_srq_recv(struct ib_srq *ibsrq, const struct ib_recv_wr *wr,
const struct ib_recv_wr **bad_recv_wr);
-struct ib_ah *qedr_create_ah(struct ib_pd *ibpd, struct rdma_ah_attr *attr,
- u32 flags, struct ib_udata *udata);
-int qedr_destroy_ah(struct ib_ah *ibah, u32 flags);
+int qedr_create_ah(struct ib_ah *ibah, struct rdma_ah_attr *attr, u32 flags,
+ struct ib_udata *udata);
+void qedr_destroy_ah(struct ib_ah *ibah, u32 flags);
-int qedr_dereg_mr(struct ib_mr *);
+int qedr_dereg_mr(struct ib_mr *ib_mr, struct ib_udata *udata);
struct ib_mr *qedr_get_dma_mr(struct ib_pd *, int acc);
struct ib_mr *qedr_reg_user_mr(struct ib_pd *, u64 start, u64 length,
int sg_nents, unsigned int *sg_offset);
struct ib_mr *qedr_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,
- u32 max_num_sg);
+ u32 max_num_sg, struct ib_udata *udata);
int qedr_poll_cq(struct ib_cq *, int num_entries, struct ib_wc *wc);
int qedr_post_send(struct ib_qp *, const struct ib_send_wr *,
const struct ib_send_wr **bad_wr);
#include <linux/kref.h>
#include <linux/sched.h>
#include <linux/kthread.h>
+#include <linux/xarray.h>
#include <rdma/ib_hdrs.h>
#include <rdma/rdma_vt.h>
int rec_cpu_num; /* for cpu affinity; -1 if none */
};
-extern struct list_head qib_dev_list;
-extern spinlock_t qib_devs_lock;
+extern struct xarray qib_dev_table;
extern struct qib_devdata *qib_lookup(int unit);
extern u32 qib_cpulist_count;
extern unsigned long *qib_cpulist;
* QIB_VERBOSE_TRACING define as 1 if you want additional tracing in
* fastpath code
* QIB_TRACE_REGWRITES define as 1 if you want register writes to be
- * traced in faspath code
+ * traced in fastpath code
* _QIB_TRACING define as 0 if you want to remove all tracing in a
* compilation unit
*/
*/
const char ib_qib_version[] = QIB_DRIVER_VERSION "\n";
-DEFINE_SPINLOCK(qib_devs_lock);
-LIST_HEAD(qib_dev_list);
DEFINE_MUTEX(qib_mutex); /* general driver use */
unsigned qib_ibmtu;
{
struct qib_devdata *dd;
struct qib_pportdata *ppd;
- unsigned long flags;
+ unsigned long index, flags;
int pidx, nunits_active = 0;
- spin_lock_irqsave(&qib_devs_lock, flags);
- list_for_each_entry(dd, &qib_dev_list, list) {
+ xa_lock_irqsave(&qib_dev_table, flags);
+ xa_for_each(&qib_dev_table, index, dd) {
if (!(dd->flags & QIB_PRESENT) || !dd->kregbase)
continue;
for (pidx = 0; pidx < dd->num_pports; ++pidx) {
}
}
}
- spin_unlock_irqrestore(&qib_devs_lock, flags);
+ xa_unlock_irqrestore(&qib_dev_table, flags);
return nunits_active;
}
{
int nunits = 0, npresent = 0, nup = 0;
struct qib_devdata *dd;
- unsigned long flags;
+ unsigned long index, flags;
int pidx;
struct qib_pportdata *ppd;
- spin_lock_irqsave(&qib_devs_lock, flags);
-
- list_for_each_entry(dd, &qib_dev_list, list) {
+ xa_lock_irqsave(&qib_dev_table, flags);
+ xa_for_each(&qib_dev_table, index, dd) {
nunits++;
if ((dd->flags & QIB_PRESENT) && dd->kregbase)
npresent++;
nup++;
}
}
-
- spin_unlock_irqrestore(&qib_devs_lock, flags);
+ xa_unlock_irqrestore(&qib_dev_table, flags);
if (npresentp)
*npresentp = npresent;
*/
static int qibfs_fill_super(struct super_block *sb, void *data, int silent)
{
- struct qib_devdata *dd, *tmp;
- unsigned long flags;
+ struct qib_devdata *dd;
+ unsigned long index;
int ret;
static const struct tree_descr files[] = {
goto bail;
}
- spin_lock_irqsave(&qib_devs_lock, flags);
-
- list_for_each_entry_safe(dd, tmp, &qib_dev_list, list) {
- spin_unlock_irqrestore(&qib_devs_lock, flags);
+ xa_for_each(&qib_dev_table, index, dd) {
ret = add_cntr_files(sb, dd);
if (ret)
goto bail;
- spin_lock_irqsave(&qib_devs_lock, flags);
}
- spin_unlock_irqrestore(&qib_devs_lock, flags);
-
bail:
return ret;
}
static int setup_txselect(const char *str, const struct kernel_param *kp)
{
struct qib_devdata *dd;
- unsigned long val;
+ unsigned long index, val;
char *n;
if (strlen(str) >= ARRAY_SIZE(txselect_list)) {
}
strncpy(txselect_list, str, ARRAY_SIZE(txselect_list) - 1);
- list_for_each_entry(dd, &qib_dev_list, list)
+ xa_for_each(&qib_dev_table, index, dd)
if (dd->deviceid == PCI_DEVICE_ID_QLOGIC_IB_7322)
set_no_qsfp_atten(dd, 1);
return 0;
#include <linux/netdevice.h>
#include <linux/vmalloc.h>
#include <linux/delay.h>
-#include <linux/idr.h>
#include <linux/module.h>
#include <linux/printk.h>
#ifdef CONFIG_INFINIBAND_QIB_DCA
static void verify_interrupt(struct timer_list *);
-static struct idr qib_unit_table;
+DEFINE_XARRAY_FLAGS(qib_dev_table, XA_FLAGS_ALLOC | XA_FLAGS_LOCK_IRQ);
u32 qib_cpulist_count;
unsigned long *qib_cpulist;
{
}
-static inline struct qib_devdata *__qib_lookup(int unit)
-{
- return idr_find(&qib_unit_table, unit);
-}
-
struct qib_devdata *qib_lookup(int unit)
{
- struct qib_devdata *dd;
- unsigned long flags;
-
- spin_lock_irqsave(&qib_devs_lock, flags);
- dd = __qib_lookup(unit);
- spin_unlock_irqrestore(&qib_devs_lock, flags);
-
- return dd;
+ return xa_load(&qib_dev_table, unit);
}
/*
{
unsigned long flags;
- spin_lock_irqsave(&qib_devs_lock, flags);
- idr_remove(&qib_unit_table, dd->unit);
- list_del(&dd->list);
- spin_unlock_irqrestore(&qib_devs_lock, flags);
+ xa_lock_irqsave(&qib_dev_table, flags);
+ __xa_erase(&qib_dev_table, dd->unit);
+ xa_unlock_irqrestore(&qib_dev_table, flags);
#ifdef CONFIG_DEBUG_FS
qib_dbg_ibdev_exit(&dd->verbs_dev);
u64 qib_sps_ints(void)
{
- unsigned long flags;
+ unsigned long index, flags;
struct qib_devdata *dd;
u64 sps_ints = 0;
- spin_lock_irqsave(&qib_devs_lock, flags);
- list_for_each_entry(dd, &qib_dev_list, list) {
+ xa_lock_irqsave(&qib_dev_table, flags);
+ xa_for_each(&qib_dev_table, index, dd) {
sps_ints += qib_int_counter(dd);
}
- spin_unlock_irqrestore(&qib_devs_lock, flags);
+ xa_unlock_irqrestore(&qib_dev_table, flags);
return sps_ints;
}
* allocator, because the verbs cleanup process both does cleanup and
* free of the data structure.
* "extra" is for chip-specific data.
- *
- * Use the idr mechanism to get a unit number for this unit.
*/
struct qib_devdata *qib_alloc_devdata(struct pci_dev *pdev, size_t extra)
{
- unsigned long flags;
struct qib_devdata *dd;
int ret, nports;
if (!dd)
return ERR_PTR(-ENOMEM);
- INIT_LIST_HEAD(&dd->list);
-
- idr_preload(GFP_KERNEL);
- spin_lock_irqsave(&qib_devs_lock, flags);
-
- ret = idr_alloc(&qib_unit_table, dd, 0, 0, GFP_NOWAIT);
- if (ret >= 0) {
- dd->unit = ret;
- list_add(&dd->list, &qib_dev_list);
- }
-
- spin_unlock_irqrestore(&qib_devs_lock, flags);
- idr_preload_end();
-
+ ret = xa_alloc_irq(&qib_dev_table, &dd->unit, dd, xa_limit_32b,
+ GFP_KERNEL);
if (ret < 0) {
qib_early_err(&pdev->dev,
"Could not allocate unit ID: error %d\n", -ret);
* These must be called before the driver is registered with
* the PCI subsystem.
*/
- idr_init(&qib_unit_table);
-
#ifdef CONFIG_INFINIBAND_QIB_DCA
dca_register_notify(&dca_notifier);
#endif
#ifdef CONFIG_DEBUG_FS
qib_dbg_exit();
#endif
- idr_destroy(&qib_unit_table);
qib_dev_cleanup();
bail:
return ret;
qib_cpulist_count = 0;
kfree(qib_cpulist);
- idr_destroy(&qib_unit_table);
+ WARN_ON(!xa_empty(&qib_dev_table));
qib_dev_cleanup();
}
qp->s_last = s_last;
/* see post_send() */
barrier();
- rvt_put_swqe(wqe);
+ rvt_put_qp_swqe(qp, wqe);
rvt_qp_swqe_complete(qp,
wqe,
ib_qib_wc_opcode[wqe->wr.opcode],
qib_cmp24(qp->s_sending_psn, qp->s_sending_hpsn) > 0) {
u32 s_last;
- rvt_put_swqe(wqe);
+ rvt_put_qp_swqe(qp, wqe);
s_last = qp->s_last;
if (++s_last >= qp->s_size)
s_last = 0;
if (sdma_rb_node) {
sdma_rb_node->refcount++;
} else {
- int ret;
-
sdma_rb_node = kmalloc(sizeof(
struct qib_user_sdma_rb_node), GFP_KERNEL);
if (!sdma_rb_node)
sdma_rb_node->refcount = 1;
sdma_rb_node->pid = current->pid;
- ret = qib_user_sdma_rb_insert(&qib_user_sdma_rb_root,
- sdma_rb_node);
+ qib_user_sdma_rb_insert(&qib_user_sdma_rb_root, sdma_rb_node);
}
pq->sdma_rb_node = sdma_rb_node;
#include <rdma/ib_pack.h>
#include <rdma/ib_user_verbs.h>
#include <rdma/ib_hdrs.h>
-#include <rdma/rdma_vt.h>
+#include <rdma/rdmavt_qp.h>
#include <rdma/rdmavt_cq.h>
struct qib_ctxtdata;
return 0;
}
-int usnic_ib_alloc_pd(struct ib_pd *ibpd, struct ib_ucontext *context,
- struct ib_udata *udata)
+int usnic_ib_alloc_pd(struct ib_pd *ibpd, struct ib_udata *udata)
{
struct usnic_ib_pd *pd = to_upd(ibpd);
void *umem_pd;
return 0;
}
-void usnic_ib_dealloc_pd(struct ib_pd *pd)
+void usnic_ib_dealloc_pd(struct ib_pd *pd, struct ib_udata *udata)
{
usnic_uiom_dealloc_pd((to_upd(pd))->umem_pd);
}
return ERR_PTR(err);
}
-int usnic_ib_destroy_qp(struct ib_qp *qp)
+int usnic_ib_destroy_qp(struct ib_qp *qp, struct ib_udata *udata)
{
struct usnic_ib_qp_grp *qp_grp;
struct usnic_ib_vf *vf;
struct ib_cq *usnic_ib_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,
- struct ib_ucontext *context,
struct ib_udata *udata)
{
struct ib_cq *cq;
return cq;
}
-int usnic_ib_destroy_cq(struct ib_cq *cq)
+int usnic_ib_destroy_cq(struct ib_cq *cq, struct ib_udata *udata)
{
usnic_dbg("\n");
kfree(cq);
return ERR_PTR(err);
}
-int usnic_ib_dereg_mr(struct ib_mr *ibmr)
+int usnic_ib_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata)
{
struct usnic_ib_mr *mr = to_umr(ibmr);
usnic_dbg("va 0x%lx length 0x%zx\n", mr->umem->va, mr->umem->length);
- usnic_uiom_reg_release(mr->umem, ibmr->uobject->context);
+ usnic_uiom_reg_release(mr->umem);
kfree(mr);
return 0;
}
return -EINVAL;
}
-/* End of ib callbacks section */
union ib_gid *gid);
int usnic_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
u16 *pkey);
-int usnic_ib_alloc_pd(struct ib_pd *ibpd, struct ib_ucontext *context,
- struct ib_udata *udata);
-void usnic_ib_dealloc_pd(struct ib_pd *pd);
+int usnic_ib_alloc_pd(struct ib_pd *ibpd, struct ib_udata *udata);
+void usnic_ib_dealloc_pd(struct ib_pd *pd, struct ib_udata *udata);
struct ib_qp *usnic_ib_create_qp(struct ib_pd *pd,
struct ib_qp_init_attr *init_attr,
struct ib_udata *udata);
-int usnic_ib_destroy_qp(struct ib_qp *qp);
+int usnic_ib_destroy_qp(struct ib_qp *qp, struct ib_udata *udata);
int usnic_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
int attr_mask, struct ib_udata *udata);
struct ib_cq *usnic_ib_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,
- struct ib_ucontext *context,
struct ib_udata *udata);
-int usnic_ib_destroy_cq(struct ib_cq *cq);
+int usnic_ib_destroy_cq(struct ib_cq *cq, struct ib_udata *udata);
struct ib_mr *usnic_ib_reg_mr(struct ib_pd *pd, u64 start, u64 length,
u64 virt_addr, int access_flags,
struct ib_udata *udata);
-int usnic_ib_dereg_mr(struct ib_mr *ibmr);
+int usnic_ib_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata);
int usnic_ib_alloc_ucontext(struct ib_ucontext *uctx, struct ib_udata *udata);
void usnic_ib_dealloc_ucontext(struct ib_ucontext *ibcontext);
int usnic_ib_mmap(struct ib_ucontext *context,
return PAGE_ALIGN(uiomr->length + uiomr->offset) >> PAGE_SHIFT;
}
-void usnic_uiom_reg_release(struct usnic_uiom_reg *uiomr,
- struct ib_ucontext *context)
+void usnic_uiom_reg_release(struct usnic_uiom_reg *uiomr)
{
__usnic_uiom_reg_release(uiomr->pd, uiomr, 1);
struct usnic_uiom_reg *usnic_uiom_reg_get(struct usnic_uiom_pd *pd,
unsigned long addr, size_t size,
int access, int dmasync);
-void usnic_uiom_reg_release(struct usnic_uiom_reg *uiomr,
- struct ib_ucontext *ucontext);
+void usnic_uiom_reg_release(struct usnic_uiom_reg *uiomr);
int usnic_uiom_init(char *drv_name);
#endif /* USNIC_UIOM_H_ */
#include <rdma/ib_addr.h>
#include <rdma/ib_smi.h>
#include <rdma/ib_user_verbs.h>
+#include <rdma/uverbs_ioctl.h>
#include "pvrdma.h"
* pvrdma_create_cq - create completion queue
* @ibdev: the device
* @attr: completion queue attributes
- * @context: user context
* @udata: user data
*
* @return: ib_cq completion queue pointer on success,
*/
struct ib_cq *pvrdma_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,
- struct ib_ucontext *context,
struct ib_udata *udata)
{
int entries = attr->cqe;
struct pvrdma_cmd_create_cq_resp *resp = &rsp.create_cq_resp;
struct pvrdma_create_cq_resp cq_resp = {0};
struct pvrdma_create_cq ucmd;
+ struct pvrdma_ucontext *context = rdma_udata_to_drv_context(
+ udata, struct pvrdma_ucontext, ibucontext);
BUILD_BUG_ON(sizeof(struct pvrdma_cqe) != 64);
}
cq->ibcq.cqe = entries;
- cq->is_kernel = !context;
+ cq->is_kernel = !udata;
if (!cq->is_kernel) {
if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd))) {
memset(cmd, 0, sizeof(*cmd));
cmd->hdr.cmd = PVRDMA_CMD_CREATE_CQ;
cmd->nchunks = npages;
- cmd->ctx_handle = (context) ?
- (u64)to_vucontext(context)->ctx_handle : 0;
+ cmd->ctx_handle = context ? context->ctx_handle : 0;
cmd->cqe = entries;
cmd->pdir_dma = cq->pdir.dir_dma;
ret = pvrdma_cmd_post(dev, &req, &rsp, PVRDMA_CMD_CREATE_CQ_RESP);
spin_unlock_irqrestore(&dev->cq_tbl_lock, flags);
if (!cq->is_kernel) {
- cq->uar = &(to_vucontext(context)->uar);
+ cq->uar = &context->uar;
/* Copy udata back. */
if (ib_copy_to_udata(udata, &cq_resp, sizeof(cq_resp))) {
dev_warn(&dev->pdev->dev,
"failed to copy back udata\n");
- pvrdma_destroy_cq(&cq->ibcq);
+ pvrdma_destroy_cq(&cq->ibcq, udata);
return ERR_PTR(-EINVAL);
}
}
/**
* pvrdma_destroy_cq - destroy completion queue
* @cq: the completion queue to destroy.
+ * @udata: user data or null for kernel object
*
* @return: 0 for success.
*/
-int pvrdma_destroy_cq(struct ib_cq *cq)
+int pvrdma_destroy_cq(struct ib_cq *cq, struct ib_udata *udata)
{
struct pvrdma_cq *vcq = to_vcq(cq);
union pvrdma_cmd_req req;
return 0;
}
-static struct net_device *pvrdma_get_netdev(struct ib_device *ibdev,
- u8 port_num)
-{
- struct net_device *netdev;
- struct pvrdma_dev *dev = to_vdev(ibdev);
-
- if (port_num != 1)
- return NULL;
-
- rcu_read_lock();
- netdev = dev->netdev;
- if (netdev)
- dev_hold(netdev);
- rcu_read_unlock();
-
- return netdev;
-}
-
static const struct ib_device_ops pvrdma_dev_ops = {
.add_gid = pvrdma_add_gid,
.alloc_mr = pvrdma_alloc_mr,
.get_dev_fw_str = pvrdma_get_fw_ver_str,
.get_dma_mr = pvrdma_get_dma_mr,
.get_link_layer = pvrdma_port_link_layer,
- .get_netdev = pvrdma_get_netdev,
.get_port_immutable = pvrdma_port_immutable,
.map_mr_sg = pvrdma_map_mr_sg,
.mmap = pvrdma_mmap,
.query_qp = pvrdma_query_qp,
.reg_user_mr = pvrdma_reg_user_mr,
.req_notify_cq = pvrdma_req_notify_cq,
+
+ INIT_RDMA_OBJ_SIZE(ib_ah, pvrdma_ah, ibah),
INIT_RDMA_OBJ_SIZE(ib_pd, pvrdma_pd, ibpd),
INIT_RDMA_OBJ_SIZE(ib_ucontext, pvrdma_ucontext, ibucontext),
};
.destroy_srq = pvrdma_destroy_srq,
.modify_srq = pvrdma_modify_srq,
.query_srq = pvrdma_query_srq,
+
+ INIT_RDMA_OBJ_SIZE(ib_srq, pvrdma_srq, ibsrq),
};
static int pvrdma_register_device(struct pvrdma_dev *dev)
goto err_qp_free;
}
dev->ib_dev.driver_id = RDMA_DRIVER_VMW_PVRDMA;
+ ret = ib_device_set_netdev(&dev->ib_dev, dev->netdev, 1);
+ if (ret)
+ return ret;
spin_lock_init(&dev->srq_tbl_lock);
rdma_set_device_sysfs_group(&dev->ib_dev, &pvrdma_attr_group);
pvrdma_dispatch_event(dev, 1, IB_EVENT_PORT_ACTIVE);
break;
case NETDEV_UNREGISTER:
+ ib_device_set_netdev(&dev->ib_dev, NULL, 1);
dev_put(dev->netdev);
dev->netdev = NULL;
break;
if ((dev->netdev == NULL) &&
(pci_get_drvdata(pdev_net) == ndev)) {
/* this is our netdev */
+ ib_device_set_netdev(&dev->ib_dev, ndev, 1);
dev->netdev = ndev;
dev_hold(ndev);
}
union pvrdma_cmd_resp rsp;
struct pvrdma_cmd_create_mr *cmd = &req.create_mr;
struct pvrdma_cmd_create_mr_resp *resp = &rsp.create_mr_resp;
- int ret;
+ int ret, npages;
if (length == 0 || length > dev->dsr->caps.max_mr_size) {
dev_warn(&dev->pdev->dev, "invalid mem region length\n");
return ERR_CAST(umem);
}
- if (umem->npages < 0 || umem->npages > PVRDMA_PAGE_DIR_MAX_PAGES) {
+ npages = ib_umem_num_pages(umem);
+ if (npages < 0 || npages > PVRDMA_PAGE_DIR_MAX_PAGES) {
dev_warn(&dev->pdev->dev, "overflow %d pages in mem region\n",
- umem->npages);
+ npages);
ret = -EINVAL;
goto err_umem;
}
mr->mmr.size = length;
mr->umem = umem;
- ret = pvrdma_page_dir_init(dev, &mr->pdir, umem->npages, false);
+ ret = pvrdma_page_dir_init(dev, &mr->pdir, npages, false);
if (ret) {
dev_warn(&dev->pdev->dev,
"could not allocate page directory\n");
cmd->length = length;
cmd->pd_handle = to_vpd(pd)->pd_handle;
cmd->access_flags = access_flags;
- cmd->nchunks = umem->npages;
+ cmd->nchunks = npages;
cmd->pdir_dma = mr->pdir.dir_dma;
ret = pvrdma_cmd_post(dev, &req, &rsp, PVRDMA_CMD_CREATE_MR_RESP);
* @return: ib_mr pointer on success, otherwise returns an errno.
*/
struct ib_mr *pvrdma_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,
- u32 max_num_sg)
+ u32 max_num_sg, struct ib_udata *udata)
{
struct pvrdma_dev *dev = to_vdev(pd->device);
struct pvrdma_user_mr *mr;
*
* @return: 0 on success.
*/
-int pvrdma_dereg_mr(struct ib_mr *ibmr)
+int pvrdma_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata)
{
struct pvrdma_user_mr *mr = to_vmr(ibmr);
struct pvrdma_dev *dev = to_vdev(ibmr->device);
/**
* pvrdma_destroy_qp - destroy a queue pair
* @qp: the queue pair to destroy
+ * @udata: user data or null for kernel object
*
* @return: 0 on success.
*/
-int pvrdma_destroy_qp(struct ib_qp *qp)
+int pvrdma_destroy_qp(struct ib_qp *qp, struct ib_udata *udata)
{
struct pvrdma_qp *vqp = to_vqp(qp);
union pvrdma_cmd_req req;
* @init_attr: shared receive queue attributes
* @udata: user data
*
- * @return: the ib_srq pointer on success, otherwise returns an errno.
+ * @return: 0 on success, otherwise returns an errno.
*/
-struct ib_srq *pvrdma_create_srq(struct ib_pd *pd,
- struct ib_srq_init_attr *init_attr,
- struct ib_udata *udata)
+int pvrdma_create_srq(struct ib_srq *ibsrq, struct ib_srq_init_attr *init_attr,
+ struct ib_udata *udata)
{
- struct pvrdma_srq *srq = NULL;
- struct pvrdma_dev *dev = to_vdev(pd->device);
+ struct pvrdma_srq *srq = to_vsrq(ibsrq);
+ struct pvrdma_dev *dev = to_vdev(ibsrq->device);
union pvrdma_cmd_req req;
union pvrdma_cmd_resp rsp;
struct pvrdma_cmd_create_srq *cmd = &req.create_srq;
struct pvrdma_cmd_create_srq_resp *resp = &rsp.create_srq_resp;
- struct pvrdma_create_srq_resp srq_resp = {0};
+ struct pvrdma_create_srq_resp srq_resp = {};
struct pvrdma_create_srq ucmd;
unsigned long flags;
int ret;
/* No support for kernel clients. */
dev_warn(&dev->pdev->dev,
"no shared receive queue support for kernel client\n");
- return ERR_PTR(-EOPNOTSUPP);
+ return -EOPNOTSUPP;
}
if (init_attr->srq_type != IB_SRQT_BASIC) {
dev_warn(&dev->pdev->dev,
"shared receive queue type %d not supported\n",
init_attr->srq_type);
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
}
if (init_attr->attr.max_wr > dev->dsr->caps.max_srq_wr ||
init_attr->attr.max_sge > dev->dsr->caps.max_srq_sge) {
dev_warn(&dev->pdev->dev,
"shared receive queue size invalid\n");
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
}
if (!atomic_add_unless(&dev->num_srqs, 1, dev->dsr->caps.max_srq))
- return ERR_PTR(-ENOMEM);
-
- srq = kmalloc(sizeof(*srq), GFP_KERNEL);
- if (!srq) {
- ret = -ENOMEM;
- goto err_srq;
- }
+ return -ENOMEM;
spin_lock_init(&srq->lock);
refcount_set(&srq->refcnt, 1);
cmd->hdr.cmd = PVRDMA_CMD_CREATE_SRQ;
cmd->srq_type = init_attr->srq_type;
cmd->nchunks = srq->npages;
- cmd->pd_handle = to_vpd(pd)->pd_handle;
+ cmd->pd_handle = to_vpd(ibsrq->pd)->pd_handle;
cmd->attrs.max_wr = init_attr->attr.max_wr;
cmd->attrs.max_sge = init_attr->attr.max_sge;
cmd->attrs.srq_limit = init_attr->attr.srq_limit;
/* Copy udata back. */
if (ib_copy_to_udata(udata, &srq_resp, sizeof(srq_resp))) {
dev_warn(&dev->pdev->dev, "failed to copy back udata\n");
- pvrdma_destroy_srq(&srq->ibsrq);
- return ERR_PTR(-EINVAL);
+ pvrdma_destroy_srq(&srq->ibsrq, udata);
+ return -EINVAL;
}
- return &srq->ibsrq;
+ return 0;
err_page_dir:
pvrdma_page_dir_cleanup(dev, &srq->pdir);
err_umem:
ib_umem_release(srq->umem);
err_srq:
- kfree(srq);
atomic_dec(&dev->num_srqs);
- return ERR_PTR(ret);
+ return ret;
}
static void pvrdma_free_srq(struct pvrdma_dev *dev, struct pvrdma_srq *srq)
/**
* pvrdma_destroy_srq - destroy shared receive queue
* @srq: the shared receive queue to destroy
+ * @udata: user data or null for kernel object
*
* @return: 0 for success.
*/
-int pvrdma_destroy_srq(struct ib_srq *srq)
+void pvrdma_destroy_srq(struct ib_srq *srq, struct ib_udata *udata)
{
struct pvrdma_srq *vsrq = to_vsrq(srq);
union pvrdma_cmd_req req;
ret);
pvrdma_free_srq(dev, vsrq);
-
- return 0;
}
/**
#include <rdma/ib_smi.h>
#include <rdma/ib_user_verbs.h>
#include <rdma/vmw_pvrdma-abi.h>
+#include <rdma/uverbs_ioctl.h>
#include "pvrdma.h"
if (uhw->inlen || uhw->outlen)
return -EINVAL;
- memset(props, 0, sizeof(*props));
-
props->fw_ver = dev->dsr->caps.fw_ver;
props->sys_image_guid = dev->dsr->caps.sys_image_guid;
props->max_mr_size = dev->dsr->caps.max_mr_size;
/**
* pvrdma_alloc_pd - allocate protection domain
* @ibpd: PD pointer
- * @context: user context
* @udata: user data
*
* @return: the ib_pd protection domain pointer on success, otherwise errno.
*/
-int pvrdma_alloc_pd(struct ib_pd *ibpd, struct ib_ucontext *context,
- struct ib_udata *udata)
+int pvrdma_alloc_pd(struct ib_pd *ibpd, struct ib_udata *udata)
{
struct ib_device *ibdev = ibpd->device;
struct pvrdma_pd *pd = to_vpd(ibpd);
struct pvrdma_cmd_create_pd_resp *resp = &rsp.create_pd_resp;
struct pvrdma_alloc_pd_resp pd_resp = {0};
int ret;
+ struct pvrdma_ucontext *context = rdma_udata_to_drv_context(
+ udata, struct pvrdma_ucontext, ibucontext);
/* Check allowed max pds */
if (!atomic_add_unless(&dev->num_pds, 1, dev->dsr->caps.max_pd))
return -ENOMEM;
cmd->hdr.cmd = PVRDMA_CMD_CREATE_PD;
- cmd->ctx_handle = (context) ? to_vucontext(context)->ctx_handle : 0;
+ cmd->ctx_handle = context ? context->ctx_handle : 0;
ret = pvrdma_cmd_post(dev, &req, &rsp, PVRDMA_CMD_CREATE_PD_RESP);
if (ret < 0) {
dev_warn(&dev->pdev->dev,
goto err;
}
- pd->privileged = !context;
+ pd->privileged = !udata;
pd->pd_handle = resp->pd_handle;
pd->pdn = resp->pd_handle;
pd_resp.pdn = resp->pd_handle;
- if (context) {
+ if (udata) {
if (ib_copy_to_udata(udata, &pd_resp, sizeof(pd_resp))) {
dev_warn(&dev->pdev->dev,
"failed to copy back protection domain\n");
- pvrdma_dealloc_pd(&pd->ibpd);
+ pvrdma_dealloc_pd(&pd->ibpd, udata);
return -EFAULT;
}
}
/**
* pvrdma_dealloc_pd - deallocate protection domain
* @pd: the protection domain to be released
+ * @udata: user data or null for kernel object
*
* @return: 0 on success, otherwise errno.
*/
-void pvrdma_dealloc_pd(struct ib_pd *pd)
+void pvrdma_dealloc_pd(struct ib_pd *pd, struct ib_udata *udata)
{
struct pvrdma_dev *dev = to_vdev(pd->device);
union pvrdma_cmd_req req = {};
* @udata: user data blob
* @flags: create address handle flags (see enum rdma_create_ah_flags)
*
- * @return: the ib_ah pointer on success, otherwise errno.
+ * @return: 0 on success, otherwise errno.
*/
-struct ib_ah *pvrdma_create_ah(struct ib_pd *pd, struct rdma_ah_attr *ah_attr,
- u32 flags, struct ib_udata *udata)
+int pvrdma_create_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr,
+ u32 flags, struct ib_udata *udata)
{
- struct pvrdma_dev *dev = to_vdev(pd->device);
- struct pvrdma_ah *ah;
+ struct pvrdma_dev *dev = to_vdev(ibah->device);
+ struct pvrdma_ah *ah = to_vah(ibah);
const struct ib_global_route *grh;
u8 port_num = rdma_ah_get_port_num(ah_attr);
if (!(rdma_ah_get_ah_flags(ah_attr) & IB_AH_GRH))
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
grh = rdma_ah_read_grh(ah_attr);
if ((ah_attr->type != RDMA_AH_ATTR_TYPE_ROCE) ||
rdma_is_multicast_addr((struct in6_addr *)grh->dgid.raw))
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
if (!atomic_add_unless(&dev->num_ahs, 1, dev->dsr->caps.max_ah))
- return ERR_PTR(-ENOMEM);
-
- ah = kzalloc(sizeof(*ah), GFP_ATOMIC);
- if (!ah) {
- atomic_dec(&dev->num_ahs);
- return ERR_PTR(-ENOMEM);
- }
+ return -ENOMEM;
- ah->av.port_pd = to_vpd(pd)->pd_handle | (port_num << 24);
+ ah->av.port_pd = to_vpd(ibah->pd)->pd_handle | (port_num << 24);
ah->av.src_path_bits = rdma_ah_get_path_bits(ah_attr);
ah->av.src_path_bits |= 0x80;
ah->av.gid_index = grh->sgid_index;
memcpy(ah->av.dgid, grh->dgid.raw, 16);
memcpy(ah->av.dmac, ah_attr->roce.dmac, ETH_ALEN);
- ah->ibah.device = pd->device;
- ah->ibah.pd = pd;
- ah->ibah.uobject = NULL;
-
- return &ah->ibah;
+ return 0;
}
/**
* @ah: the address handle to destroyed
* @flags: destroy address handle flags (see enum rdma_destroy_ah_flags)
*
- * @return: 0 on success.
*/
-int pvrdma_destroy_ah(struct ib_ah *ah, u32 flags)
+void pvrdma_destroy_ah(struct ib_ah *ah, u32 flags)
{
struct pvrdma_dev *dev = to_vdev(ah->device);
- kfree(to_vah(ah));
atomic_dec(&dev->num_ahs);
-
- return 0;
}
int pvrdma_mmap(struct ib_ucontext *context, struct vm_area_struct *vma);
int pvrdma_alloc_ucontext(struct ib_ucontext *uctx, struct ib_udata *udata);
void pvrdma_dealloc_ucontext(struct ib_ucontext *context);
-int pvrdma_alloc_pd(struct ib_pd *pd, struct ib_ucontext *context,
- struct ib_udata *udata);
-void pvrdma_dealloc_pd(struct ib_pd *ibpd);
+int pvrdma_alloc_pd(struct ib_pd *pd, struct ib_udata *udata);
+void pvrdma_dealloc_pd(struct ib_pd *ibpd, struct ib_udata *udata);
struct ib_mr *pvrdma_get_dma_mr(struct ib_pd *pd, int acc);
struct ib_mr *pvrdma_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
u64 virt_addr, int access_flags,
struct ib_udata *udata);
-int pvrdma_dereg_mr(struct ib_mr *mr);
+int pvrdma_dereg_mr(struct ib_mr *mr, struct ib_udata *udata);
struct ib_mr *pvrdma_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,
- u32 max_num_sg);
+ u32 max_num_sg, struct ib_udata *udata);
int pvrdma_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg,
int sg_nents, unsigned int *sg_offset);
struct ib_cq *pvrdma_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,
- struct ib_ucontext *context,
struct ib_udata *udata);
-int pvrdma_destroy_cq(struct ib_cq *cq);
+int pvrdma_destroy_cq(struct ib_cq *cq, struct ib_udata *udata);
int pvrdma_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
int pvrdma_req_notify_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
-struct ib_ah *pvrdma_create_ah(struct ib_pd *pd, struct rdma_ah_attr *ah_attr,
- u32 flags, struct ib_udata *udata);
-int pvrdma_destroy_ah(struct ib_ah *ah, u32 flags);
+int pvrdma_create_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr, u32 flags,
+ struct ib_udata *udata);
+void pvrdma_destroy_ah(struct ib_ah *ah, u32 flags);
-struct ib_srq *pvrdma_create_srq(struct ib_pd *pd,
- struct ib_srq_init_attr *init_attr,
- struct ib_udata *udata);
+int pvrdma_create_srq(struct ib_srq *srq, struct ib_srq_init_attr *init_attr,
+ struct ib_udata *udata);
int pvrdma_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
int pvrdma_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
-int pvrdma_destroy_srq(struct ib_srq *srq);
+void pvrdma_destroy_srq(struct ib_srq *srq, struct ib_udata *udata);
struct ib_qp *pvrdma_create_qp(struct ib_pd *pd,
struct ib_qp_init_attr *init_attr,
int attr_mask, struct ib_udata *udata);
int pvrdma_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr,
int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr);
-int pvrdma_destroy_qp(struct ib_qp *qp);
+int pvrdma_destroy_qp(struct ib_qp *qp, struct ib_udata *udata);
int pvrdma_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr,
const struct ib_send_wr **bad_wr);
int pvrdma_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr,
/**
* rvt_create_ah - create an address handle
- * @pd: the protection domain
+ * @ibah: the IB address handle
* @ah_attr: the attributes of the AH
* @create_flags: create address handle flags (see enum rdma_create_ah_flags)
* @udata: pointer to user's input output buffer information.
*
* This may be called from interrupt context.
*
- * Return: newly allocated ah
+ * Return: 0 on success
*/
-struct ib_ah *rvt_create_ah(struct ib_pd *pd,
- struct rdma_ah_attr *ah_attr,
- u32 create_flags,
- struct ib_udata *udata)
+int rvt_create_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr,
+ u32 create_flags, struct ib_udata *udata)
{
- struct rvt_ah *ah;
- struct rvt_dev_info *dev = ib_to_rvt(pd->device);
+ struct rvt_ah *ah = ibah_to_rvtah(ibah);
+ struct rvt_dev_info *dev = ib_to_rvt(ibah->device);
unsigned long flags;
- if (rvt_check_ah(pd->device, ah_attr))
- return ERR_PTR(-EINVAL);
-
- ah = kmalloc(sizeof(*ah), GFP_ATOMIC);
- if (!ah)
- return ERR_PTR(-ENOMEM);
+ if (rvt_check_ah(ibah->device, ah_attr))
+ return -EINVAL;
spin_lock_irqsave(&dev->n_ahs_lock, flags);
if (dev->n_ahs_allocated == dev->dparms.props.max_ah) {
spin_unlock_irqrestore(&dev->n_ahs_lock, flags);
- kfree(ah);
- return ERR_PTR(-ENOMEM);
+ return -ENOMEM;
}
dev->n_ahs_allocated++;
atomic_set(&ah->refcount, 0);
if (dev->driver_f.notify_new_ah)
- dev->driver_f.notify_new_ah(pd->device, ah_attr, ah);
+ dev->driver_f.notify_new_ah(ibah->device, ah_attr, ah);
- return &ah->ibah;
+ return 0;
}
/**
* rvt_destory_ah - Destory an address handle
* @ibah: address handle
* @destroy_flags: destroy address handle flags (see enum rdma_destroy_ah_flags)
+ * @udata: user data or NULL for kernel object
*
* Return: 0 on success
*/
-int rvt_destroy_ah(struct ib_ah *ibah, u32 destroy_flags)
+void rvt_destroy_ah(struct ib_ah *ibah, u32 destroy_flags)
{
struct rvt_dev_info *dev = ib_to_rvt(ibah->device);
struct rvt_ah *ah = ibah_to_rvtah(ibah);
unsigned long flags;
- if (atomic_read(&ah->refcount) != 0)
- return -EBUSY;
+ WARN_ON_ONCE(atomic_read(&ah->refcount));
spin_lock_irqsave(&dev->n_ahs_lock, flags);
dev->n_ahs_allocated--;
spin_unlock_irqrestore(&dev->n_ahs_lock, flags);
rdma_destroy_ah_attr(&ah->attr);
- kfree(ah);
-
- return 0;
}
/**
#include <rdma/rdma_vt.h>
-struct ib_ah *rvt_create_ah(struct ib_pd *pd,
- struct rdma_ah_attr *ah_attr,
- u32 create_flags,
- struct ib_udata *udata);
-int rvt_destroy_ah(struct ib_ah *ibah, u32 destroy_flags);
+int rvt_create_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr,
+ u32 create_flags, struct ib_udata *udata);
+void rvt_destroy_ah(struct ib_ah *ibah, u32 destroy_flags);
int rvt_modify_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr);
int rvt_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr);
* rvt_create_cq - create a completion queue
* @ibdev: the device this completion queue is attached to
* @attr: creation attributes
- * @context: unused by the QLogic_IB driver
* @udata: user data for libibverbs.so
*
* Called by ib_create_cq() in the generic verbs code.
*/
struct ib_cq *rvt_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,
- struct ib_ucontext *context,
struct ib_udata *udata)
{
struct rvt_dev_info *rdi = ib_to_rvt(ibdev);
if (udata && udata->outlen >= sizeof(__u64)) {
int err;
- cq->ip = rvt_create_mmap_info(rdi, sz, context, wc);
+ cq->ip = rvt_create_mmap_info(rdi, sz, udata, wc);
if (!cq->ip) {
ret = ERR_PTR(-ENOMEM);
goto bail_wc;
/**
* rvt_destroy_cq - destroy a completion queue
* @ibcq: the completion queue to destroy.
+ * @udata: user data or NULL for kernel object
*
* Called by ib_destroy_cq() in the generic verbs code.
*
* Return: always 0
*/
-int rvt_destroy_cq(struct ib_cq *ibcq)
+int rvt_destroy_cq(struct ib_cq *ibcq, struct ib_udata *udata)
{
struct rvt_cq *cq = ibcq_to_rvtcq(ibcq);
struct rvt_dev_info *rdi = cq->rdi;
struct ib_cq *rvt_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,
- struct ib_ucontext *context,
struct ib_udata *udata);
-int rvt_destroy_cq(struct ib_cq *ibcq);
+int rvt_destroy_cq(struct ib_cq *ibcq, struct ib_udata *udata);
int rvt_req_notify_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags notify_flags);
int rvt_resize_cq(struct ib_cq *ibcq, int cqe, struct ib_udata *udata);
int rvt_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *entry);
#include <linux/vmalloc.h>
#include <linux/mm.h>
#include <asm/pgtable.h>
+#include <rdma/uverbs_ioctl.h>
#include "mmap.h"
/**
* rvt_create_mmap_info - allocate information for hfi1_mmap
* @rdi: rvt dev struct
* @size: size in bytes to map
- * @context: user context
+ * @udata: user data (must be valid!)
* @obj: opaque pointer to a cq, wq etc
*
* Return: rvt_mmap struct on success
*/
-struct rvt_mmap_info *rvt_create_mmap_info(struct rvt_dev_info *rdi,
- u32 size,
- struct ib_ucontext *context,
- void *obj)
+struct rvt_mmap_info *rvt_create_mmap_info(struct rvt_dev_info *rdi, u32 size,
+ struct ib_udata *udata, void *obj)
{
struct rvt_mmap_info *ip;
+ if (!udata)
+ return ERR_PTR(-EINVAL);
+
ip = kmalloc_node(sizeof(*ip), GFP_KERNEL, rdi->dparms.node);
if (!ip)
return ip;
INIT_LIST_HEAD(&ip->pending_mmaps);
ip->size = size;
- ip->context = context;
+ ip->context =
+ container_of(udata, struct uverbs_attr_bundle, driver_udata)
+ ->context;
ip->obj = obj;
kref_init(&ip->ref);
void rvt_mmap_init(struct rvt_dev_info *rdi);
void rvt_release_mmap_info(struct kref *ref);
int rvt_mmap(struct ib_ucontext *context, struct vm_area_struct *vma);
-struct rvt_mmap_info *rvt_create_mmap_info(struct rvt_dev_info *rdi,
- u32 size,
- struct ib_ucontext *context,
- void *obj);
+struct rvt_mmap_info *rvt_create_mmap_info(struct rvt_dev_info *rdi, u32 size,
+ struct ib_udata *udata, void *obj);
void rvt_update_mmap_info(struct rvt_dev_info *rdi, struct rvt_mmap_info *ip,
u32 size, void *obj);
if (IS_ERR(umem))
return (void *)umem;
- n = umem->nmap;
+ n = ib_umem_num_pages(umem);
mr = __rvt_alloc_mr(n, pd);
if (IS_ERR(mr)) {
*
* Returns 0 on success.
*/
-int rvt_dereg_mr(struct ib_mr *ibmr)
+int rvt_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata)
{
struct rvt_mr *mr = to_imr(ibmr);
int ret;
*
* Return: the memory region on success, otherwise return an errno.
*/
-struct ib_mr *rvt_alloc_mr(struct ib_pd *pd,
- enum ib_mr_type mr_type,
- u32 max_num_sg)
+struct ib_mr *rvt_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,
+ u32 max_num_sg, struct ib_udata *udata)
{
struct rvt_mr *mr;
struct ib_mr *rvt_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
u64 virt_addr, int mr_access_flags,
struct ib_udata *udata);
-int rvt_dereg_mr(struct ib_mr *ibmr);
-struct ib_mr *rvt_alloc_mr(struct ib_pd *pd,
- enum ib_mr_type mr_type,
- u32 max_num_sg);
+int rvt_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata);
+struct ib_mr *rvt_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,
+ u32 max_num_sg, struct ib_udata *udata);
int rvt_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg,
int sg_nents, unsigned int *sg_offset);
struct ib_fmr *rvt_alloc_fmr(struct ib_pd *pd, int mr_access_flags,
/**
* rvt_alloc_pd - allocate a protection domain
* @ibpd: PD
- * @context: optional user context
* @udata: optional user data
*
* Allocate and keep track of a PD.
*
* Return: 0 on success
*/
-int rvt_alloc_pd(struct ib_pd *ibpd, struct ib_ucontext *context,
- struct ib_udata *udata)
+int rvt_alloc_pd(struct ib_pd *ibpd, struct ib_udata *udata)
{
struct ib_device *ibdev = ibpd->device;
struct rvt_dev_info *dev = ib_to_rvt(ibdev);
/**
* rvt_dealloc_pd - Free PD
* @ibpd: Free up PD
+ * @udata: Valid user data or NULL for kernel object
*
* Return: always 0
*/
-void rvt_dealloc_pd(struct ib_pd *ibpd)
+void rvt_dealloc_pd(struct ib_pd *ibpd, struct ib_udata *udata)
{
struct rvt_dev_info *dev = ib_to_rvt(ibpd->device);
#include <rdma/rdma_vt.h>
-int rvt_alloc_pd(struct ib_pd *pd, struct ib_ucontext *context,
- struct ib_udata *udata);
-void rvt_dealloc_pd(struct ib_pd *ibpd);
+int rvt_alloc_pd(struct ib_pd *pd, struct ib_udata *udata);
+void rvt_dealloc_pd(struct ib_pd *ibpd, struct ib_udata *udata);
#endif /* DEF_RDMAVTPD_H */
while (qp->s_last != qp->s_head) {
struct rvt_swqe *wqe = rvt_get_swqe_ptr(qp, qp->s_last);
- rvt_put_swqe(wqe);
-
- if (qp->ibqp.qp_type == IB_QPT_UD ||
- qp->ibqp.qp_type == IB_QPT_SMI ||
- qp->ibqp.qp_type == IB_QPT_GSI)
- atomic_dec(&ibah_to_rvtah(
- wqe->ud_wr.ah)->refcount);
+ rvt_put_qp_swqe(qp, wqe);
if (++qp->s_last >= qp->s_size)
qp->s_last = 0;
smp_wmb(); /* see qp_set_savail */
size_t sg_list_sz;
struct ib_qp *ret = ERR_PTR(-ENOMEM);
struct rvt_dev_info *rdi = ib_to_rvt(ibpd->device);
- struct rvt_ucontext *ucontext = rdma_udata_to_drv_context(
- udata, struct rvt_ucontext, ibucontext);
void *priv = NULL;
size_t sqsize;
} else {
u32 s = sizeof(struct rvt_rwq) + qp->r_rq.size * sz;
- qp->ip = rvt_create_mmap_info(rdi, s,
- &ucontext->ibucontext,
+ qp->ip = rvt_create_mmap_info(rdi, s, udata,
qp->r_rq.wq);
if (!qp->ip) {
ret = ERR_PTR(-ENOMEM);
*
* Return: 0 on success.
*/
-int rvt_destroy_qp(struct ib_qp *ibqp)
+int rvt_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata)
{
struct rvt_qp *qp = ibqp_to_rvtqp(ibqp);
struct rvt_dev_info *rdi = ib_to_rvt(ibqp->device);
* opportunity to adjust PSN values based on internal checks.
*/
log_pmtu = qp->log_pmtu;
- if (qp->ibqp.qp_type != IB_QPT_UC &&
- qp->ibqp.qp_type != IB_QPT_RC) {
+ if (qp->allowed_ops == IB_OPCODE_UD) {
struct rvt_ah *ah = ibah_to_rvtah(wqe->ud_wr.ah);
log_pmtu = ah->log_pmtu;
return 0;
bail_inval_free_ref:
- if (qp->ibqp.qp_type != IB_QPT_UC &&
- qp->ibqp.qp_type != IB_QPT_RC)
+ if (qp->allowed_ops == IB_OPCODE_UD)
atomic_dec(&ibah_to_rvtah(ud_wr(wr)->ah)->refcount);
bail_inval_free:
/* release mr holds */
qp->s_last = last;
/* See post_send() */
barrier();
- rvt_put_swqe(wqe);
- if (qp->ibqp.qp_type == IB_QPT_UD ||
- qp->ibqp.qp_type == IB_QPT_SMI ||
- qp->ibqp.qp_type == IB_QPT_GSI)
- atomic_dec(&ibah_to_rvtah(wqe->ud_wr.ah)->refcount);
+ rvt_put_qp_swqe(qp, wqe);
rvt_qp_swqe_complete(qp,
wqe,
*
*/
-#include <rdma/rdma_vt.h>
+#include <rdma/rdmavt_qp.h>
int rvt_driver_qp_init(struct rvt_dev_info *rdi);
void rvt_qp_exit(struct rvt_dev_info *rdi);
struct ib_udata *udata);
int rvt_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
int attr_mask, struct ib_udata *udata);
-int rvt_destroy_qp(struct ib_qp *ibqp);
+int rvt_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata);
int rvt_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
int attr_mask, struct ib_qp_init_attr *init_attr);
int rvt_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr,
*
*/
-#include <rdma/rdma_vt.h>
+#include <rdma/rdmavt_qp.h>
#include <rdma/ib_hdrs.h>
/*
* @srq_init_attr: the attributes of the SRQ
* @udata: data from libibverbs when creating a user SRQ
*
- * Return: Allocated srq object
+ * Return: 0 on success
*/
-struct ib_srq *rvt_create_srq(struct ib_pd *ibpd,
- struct ib_srq_init_attr *srq_init_attr,
- struct ib_udata *udata)
+int rvt_create_srq(struct ib_srq *ibsrq, struct ib_srq_init_attr *srq_init_attr,
+ struct ib_udata *udata)
{
- struct rvt_dev_info *dev = ib_to_rvt(ibpd->device);
- struct rvt_ucontext *ucontext = rdma_udata_to_drv_context(
- udata, struct rvt_ucontext, ibucontext);
- struct rvt_srq *srq;
+ struct rvt_dev_info *dev = ib_to_rvt(ibsrq->device);
+ struct rvt_srq *srq = ibsrq_to_rvtsrq(ibsrq);
u32 sz;
- struct ib_srq *ret;
+ int ret;
if (srq_init_attr->srq_type != IB_SRQT_BASIC)
- return ERR_PTR(-EOPNOTSUPP);
+ return -EOPNOTSUPP;
if (srq_init_attr->attr.max_sge == 0 ||
srq_init_attr->attr.max_sge > dev->dparms.props.max_srq_sge ||
srq_init_attr->attr.max_wr == 0 ||
srq_init_attr->attr.max_wr > dev->dparms.props.max_srq_wr)
- return ERR_PTR(-EINVAL);
-
- srq = kzalloc_node(sizeof(*srq), GFP_KERNEL, dev->dparms.node);
- if (!srq)
- return ERR_PTR(-ENOMEM);
+ return -EINVAL;
/*
* Need to use vmalloc() if we want to support large #s of entries.
vzalloc_node(sizeof(struct rvt_rwq) + srq->rq.size * sz,
dev->dparms.node);
if (!srq->rq.wq) {
- ret = ERR_PTR(-ENOMEM);
+ ret = -ENOMEM;
goto bail_srq;
}
* See rvt_mmap() for details.
*/
if (udata && udata->outlen >= sizeof(__u64)) {
- int err;
u32 s = sizeof(struct rvt_rwq) + srq->rq.size * sz;
- srq->ip =
- rvt_create_mmap_info(dev, s, &ucontext->ibucontext,
- srq->rq.wq);
+ srq->ip = rvt_create_mmap_info(dev, s, udata, srq->rq.wq);
if (!srq->ip) {
- ret = ERR_PTR(-ENOMEM);
+ ret = -ENOMEM;
goto bail_wq;
}
- err = ib_copy_to_udata(udata, &srq->ip->offset,
+ ret = ib_copy_to_udata(udata, &srq->ip->offset,
sizeof(srq->ip->offset));
- if (err) {
- ret = ERR_PTR(err);
+ if (ret)
goto bail_ip;
- }
}
/*
spin_lock(&dev->n_srqs_lock);
if (dev->n_srqs_allocated == dev->dparms.props.max_srq) {
spin_unlock(&dev->n_srqs_lock);
- ret = ERR_PTR(-ENOMEM);
+ ret = -ENOMEM;
goto bail_ip;
}
spin_unlock_irq(&dev->pending_lock);
}
- return &srq->ibsrq;
+ return 0;
bail_ip:
kfree(srq->ip);
bail_wq:
vfree(srq->rq.wq);
bail_srq:
- kfree(srq);
return ret;
}
* rvt_destroy_srq - destory an srq
* @ibsrq: srq object to destroy
*
- * Return always 0
*/
-int rvt_destroy_srq(struct ib_srq *ibsrq)
+void rvt_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata)
{
struct rvt_srq *srq = ibsrq_to_rvtsrq(ibsrq);
struct rvt_dev_info *dev = ib_to_rvt(ibsrq->device);
kref_put(&srq->ip->ref, rvt_release_mmap_info);
else
vfree(srq->rq.wq);
- kfree(srq);
-
- return 0;
}
#include <rdma/rdma_vt.h>
void rvt_driver_srq_init(struct rvt_dev_info *rdi);
-struct ib_srq *rvt_create_srq(struct ib_pd *ibpd,
- struct ib_srq_init_attr *srq_init_attr,
- struct ib_udata *udata);
+int rvt_create_srq(struct ib_srq *ibsrq, struct ib_srq_init_attr *srq_init_attr,
+ struct ib_udata *udata);
int rvt_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
enum ib_srq_attr_mask attr_mask,
struct ib_udata *udata);
int rvt_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr);
-int rvt_destroy_srq(struct ib_srq *ibsrq);
+void rvt_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata);
#endif /* DEF_RVTSRQ_H */
#include <linux/trace_seq.h>
#include <rdma/ib_verbs.h>
-#include <rdma/rdma_vt.h>
+#include <rdma/rdmavt_qp.h>
#undef TRACE_SYSTEM
#define TRACE_SYSTEM rvt_qp
#include <linux/trace_seq.h>
#include <rdma/ib_verbs.h>
-#include <rdma/rdma_vt.h>
+#include <rdma/rdmavt_qp.h>
#undef TRACE_SYSTEM
#define TRACE_SYSTEM rvt_rc
#include <linux/trace_seq.h>
#include <rdma/ib_verbs.h>
-#include <rdma/rdma_vt.h>
+#include <rdma/rdmavt_qp.h>
#undef TRACE_SYSTEM
#define TRACE_SYSTEM rvt_tx
.req_notify_cq = rvt_req_notify_cq,
.resize_cq = rvt_resize_cq,
.unmap_fmr = rvt_unmap_fmr,
+
+ INIT_RDMA_OBJ_SIZE(ib_ah, rvt_ah, ibah),
INIT_RDMA_OBJ_SIZE(ib_pd, rvt_pd, ibpd),
+ INIT_RDMA_OBJ_SIZE(ib_srq, rvt_srq, ibsrq),
INIT_RDMA_OBJ_SIZE(ib_ucontext, rvt_ucontext, ibucontext),
};
}
int rxe_cq_from_init(struct rxe_dev *rxe, struct rxe_cq *cq, int cqe,
- int comp_vector, struct ib_ucontext *context,
+ int comp_vector, struct ib_udata *udata,
struct rxe_create_cq_resp __user *uresp)
{
int err;
return -ENOMEM;
}
- err = do_mmap_info(rxe, uresp ? &uresp->mi : NULL, context,
+ err = do_mmap_info(rxe, uresp ? &uresp->mi : NULL, udata,
cq->queue->buf, cq->queue->buf_size, &cq->queue->ip);
if (err) {
vfree(cq->queue->buf);
}
int rxe_cq_resize_queue(struct rxe_cq *cq, int cqe,
- struct rxe_resize_cq_resp __user *uresp)
+ struct rxe_resize_cq_resp __user *uresp,
+ struct ib_udata *udata)
{
int err;
err = rxe_queue_resize(cq->queue, (unsigned int *)&cqe,
- sizeof(struct rxe_cqe),
- cq->queue->ip ? cq->queue->ip->context : NULL,
+ sizeof(struct rxe_cqe), udata,
uresp ? &uresp->mi : NULL, NULL, &cq->cq_lock);
if (!err)
cq->ibcq.cqe = cqe;
__be32 rkey;
__be64 swap_add;
__be64 comp;
-} __attribute__((__packed__));
+} __packed;
static inline u64 __atmeth_va(void *arg)
{
int cqe, int comp_vector);
int rxe_cq_from_init(struct rxe_dev *rxe, struct rxe_cq *cq, int cqe,
- int comp_vector, struct ib_ucontext *context,
+ int comp_vector, struct ib_udata *udata,
struct rxe_create_cq_resp __user *uresp);
int rxe_cq_resize_queue(struct rxe_cq *cq, int new_cqe,
- struct rxe_resize_cq_resp __user *uresp);
+ struct rxe_resize_cq_resp __user *uresp,
+ struct ib_udata *udata);
int rxe_cq_post(struct rxe_cq *cq, struct rxe_cqe *cqe, int solicited);
void rxe_mmap_release(struct kref *ref);
-struct rxe_mmap_info *rxe_create_mmap_info(struct rxe_dev *dev,
- u32 size,
- struct ib_ucontext *context,
- void *obj);
+struct rxe_mmap_info *rxe_create_mmap_info(struct rxe_dev *dev, u32 size,
+ struct ib_udata *udata, void *obj);
int rxe_mmap(struct ib_ucontext *context, struct vm_area_struct *vma);
struct ib_srq_attr *attr, enum ib_srq_attr_mask mask);
int rxe_srq_from_init(struct rxe_dev *rxe, struct rxe_srq *srq,
- struct ib_srq_init_attr *init,
- struct ib_ucontext *context,
+ struct ib_srq_init_attr *init, struct ib_udata *udata,
struct rxe_create_srq_resp __user *uresp);
int rxe_srq_from_attr(struct rxe_dev *rxe, struct rxe_srq *srq,
struct ib_srq_attr *attr, enum ib_srq_attr_mask mask,
- struct rxe_modify_srq_cmd *ucmd);
+ struct rxe_modify_srq_cmd *ucmd, struct ib_udata *udata);
void rxe_dealloc(struct ib_device *ib_dev);
#include <linux/mm.h>
#include <linux/errno.h>
#include <asm/pgtable.h>
+#include <rdma/uverbs_ioctl.h>
#include "rxe.h"
#include "rxe_loc.h"
/*
* Allocate information for rxe_mmap
*/
-struct rxe_mmap_info *rxe_create_mmap_info(struct rxe_dev *rxe,
- u32 size,
- struct ib_ucontext *context,
- void *obj)
+struct rxe_mmap_info *rxe_create_mmap_info(struct rxe_dev *rxe, u32 size,
+ struct ib_udata *udata, void *obj)
{
struct rxe_mmap_info *ip;
+ if (!udata)
+ return ERR_PTR(-EINVAL);
+
ip = kmalloc(sizeof(*ip), GFP_KERNEL);
if (!ip)
return NULL;
INIT_LIST_HEAD(&ip->pending_mmaps);
ip->info.size = size;
- ip->context = context;
+ ip->context =
+ container_of(udata, struct uverbs_attr_bundle, driver_udata)
+ ->context;
ip->obj = obj;
kref_init(&ip->ref);
}
mem->umem = umem;
- num_buf = umem->nmap;
+ num_buf = ib_umem_num_pages(umem);
rxe_mem_init(access, mem);
buf = map[0]->buf;
for_each_sg_page(umem->sg_head.sgl, &sg_iter, umem->nmap, 0) {
+ if (num_buf >= RXE_BUF_PER_MAP) {
+ map++;
+ buf = map[0]->buf;
+ num_buf = 0;
+ }
+
vaddr = page_address(sg_page_iter_page(&sg_iter));
if (!vaddr) {
pr_warn("null vaddr\n");
num_buf++;
buf++;
- if (num_buf >= RXE_BUF_PER_MAP) {
- map++;
- buf = map[0]->buf;
- num_buf = 0;
- }
}
}
ip6h->payload_len = htons(skb->len - sizeof(*ip6h));
}
-static int prepare4(struct rxe_pkt_info *pkt, struct sk_buff *skb,
- struct rxe_av *av)
+static int prepare4(struct rxe_pkt_info *pkt, struct sk_buff *skb)
{
struct rxe_qp *qp = pkt->qp;
struct dst_entry *dst;
bool xnet = false;
__be16 df = htons(IP_DF);
+ struct rxe_av *av = rxe_get_av(pkt);
struct in_addr *saddr = &av->sgid_addr._sockaddr_in.sin_addr;
struct in_addr *daddr = &av->dgid_addr._sockaddr_in.sin_addr;
return 0;
}
-static int prepare6(struct rxe_pkt_info *pkt, struct sk_buff *skb,
- struct rxe_av *av)
+static int prepare6(struct rxe_pkt_info *pkt, struct sk_buff *skb)
{
struct rxe_qp *qp = pkt->qp;
struct dst_entry *dst;
+ struct rxe_av *av = rxe_get_av(pkt);
struct in6_addr *saddr = &av->sgid_addr._sockaddr_in6.sin6_addr;
struct in6_addr *daddr = &av->dgid_addr._sockaddr_in6.sin6_addr;
int rxe_prepare(struct rxe_pkt_info *pkt, struct sk_buff *skb, u32 *crc)
{
int err = 0;
- struct rxe_av *av = rxe_get_av(pkt);
- if (av->network_type == RDMA_NETWORK_IPV4)
- err = prepare4(pkt, skb, av);
- else if (av->network_type == RDMA_NETWORK_IPV6)
- err = prepare6(pkt, skb, av);
+ if (skb->protocol == htons(ETH_P_IP))
+ err = prepare4(pkt, skb);
+ else if (skb->protocol == htons(ETH_P_IPV6))
+ err = prepare6(pkt, skb);
*crc = rxe_icrc_hdr(pkt, skb);
- if (ether_addr_equal(skb->dev->dev_addr, av->dmac))
+ if (ether_addr_equal(skb->dev->dev_addr, rxe_get_av(pkt)->dmac))
pkt->mask |= RXE_LOOPBACK_MASK;
return err;
int rxe_send(struct rxe_pkt_info *pkt, struct sk_buff *skb)
{
- struct rxe_av *av;
int err;
- av = rxe_get_av(pkt);
-
skb->destructor = rxe_skb_tx_dtor;
skb->sk = pkt->qp->sk->sk;
rxe_add_ref(pkt->qp);
atomic_inc(&pkt->qp->skb_out);
- if (av->network_type == RDMA_NETWORK_IPV4) {
+ if (skb->protocol == htons(ETH_P_IP)) {
err = ip_local_out(dev_net(skb_dst(skb)->dev), skb->sk, skb);
- } else if (av->network_type == RDMA_NETWORK_IPV6) {
+ } else if (skb->protocol == htons(ETH_P_IPV6)) {
err = ip6_local_out(dev_net(skb_dst(skb)->dev), skb->sk, skb);
} else {
- pr_err("Unknown layer 3 protocol: %d\n", av->network_type);
+ pr_err("Unknown layer 3 protocol: %d\n", skb->protocol);
atomic_dec(&pkt->qp->skb_out);
rxe_drop_ref(pkt->qp);
kfree_skb(skb);
int paylen, struct rxe_pkt_info *pkt)
{
unsigned int hdr_len;
- struct sk_buff *skb;
+ struct sk_buff *skb = NULL;
struct net_device *ndev;
const struct ib_gid_attr *attr;
const int port_num = 1;
attr = rdma_get_gid_attr(&rxe->ib_dev, port_num, av->grh.sgid_index);
if (IS_ERR(attr))
return NULL;
- ndev = attr->ndev;
if (av->network_type == RDMA_NETWORK_IPV4)
hdr_len = ETH_HLEN + sizeof(struct udphdr) +
hdr_len = ETH_HLEN + sizeof(struct udphdr) +
sizeof(struct ipv6hdr);
+ rcu_read_lock();
+ ndev = rdma_read_gid_attr_ndev_rcu(attr);
+ if (IS_ERR(ndev)) {
+ rcu_read_unlock();
+ goto out;
+ }
skb = alloc_skb(paylen + hdr_len + LL_RESERVED_SPACE(ndev),
GFP_ATOMIC);
- if (unlikely(!skb))
+ if (unlikely(!skb)) {
+ rcu_read_unlock();
goto out;
+ }
- skb_reserve(skb, hdr_len + LL_RESERVED_SPACE(rxe->ndev));
+ skb_reserve(skb, hdr_len + LL_RESERVED_SPACE(ndev));
+ /* FIXME: hold reference to this netdev until life of this skb. */
skb->dev = ndev;
+ rcu_read_unlock();
+
if (av->network_type == RDMA_NETWORK_IPV4)
skb->protocol = htons(ETH_P_IP);
else
[RXE_TYPE_AH] = {
.name = "rxe-ah",
.size = sizeof(struct rxe_ah),
- .flags = RXE_POOL_ATOMIC,
+ .flags = RXE_POOL_ATOMIC | RXE_POOL_NO_ALLOC,
},
[RXE_TYPE_SRQ] = {
.name = "rxe-srq",
.size = sizeof(struct rxe_srq),
- .flags = RXE_POOL_INDEX,
+ .flags = RXE_POOL_INDEX | RXE_POOL_NO_ALLOC,
.min_index = RXE_MIN_SRQ_INDEX,
.max_index = RXE_MAX_SRQ_INDEX,
},
}
static int rxe_qp_init_req(struct rxe_dev *rxe, struct rxe_qp *qp,
- struct ib_qp_init_attr *init,
- struct ib_ucontext *context,
+ struct ib_qp_init_attr *init, struct ib_udata *udata,
struct rxe_create_qp_resp __user *uresp)
{
int err;
if (!qp->sq.queue)
return -ENOMEM;
- err = do_mmap_info(rxe, uresp ? &uresp->sq_mi : NULL, context,
+ err = do_mmap_info(rxe, uresp ? &uresp->sq_mi : NULL, udata,
qp->sq.queue->buf, qp->sq.queue->buf_size,
&qp->sq.queue->ip);
static int rxe_qp_init_resp(struct rxe_dev *rxe, struct rxe_qp *qp,
struct ib_qp_init_attr *init,
- struct ib_ucontext *context,
+ struct ib_udata *udata,
struct rxe_create_qp_resp __user *uresp)
{
int err;
if (!qp->rq.queue)
return -ENOMEM;
- err = do_mmap_info(rxe, uresp ? &uresp->rq_mi : NULL, context,
+ err = do_mmap_info(rxe, uresp ? &uresp->rq_mi : NULL, udata,
qp->rq.queue->buf, qp->rq.queue->buf_size,
&qp->rq.queue->ip);
if (err) {
struct rxe_cq *rcq = to_rcq(init->recv_cq);
struct rxe_cq *scq = to_rcq(init->send_cq);
struct rxe_srq *srq = init->srq ? to_rsrq(init->srq) : NULL;
- struct rxe_ucontext *ucontext =
- rdma_udata_to_drv_context(udata, struct rxe_ucontext, ibuc);
rxe_add_ref(pd);
rxe_add_ref(rcq);
rxe_qp_init_misc(rxe, qp, init);
- err = rxe_qp_init_req(rxe, qp, init, &ucontext->ibuc, uresp);
+ err = rxe_qp_init_req(rxe, qp, init, udata, uresp);
if (err)
goto err1;
- err = rxe_qp_init_resp(rxe, qp, init, &ucontext->ibuc, uresp);
+ err = rxe_qp_init_resp(rxe, qp, init, udata, uresp);
if (err)
goto err2;
#include "rxe_loc.h"
#include "rxe_queue.h"
-int do_mmap_info(struct rxe_dev *rxe,
- struct mminfo __user *outbuf,
- struct ib_ucontext *context,
- struct rxe_queue_buf *buf,
- size_t buf_size,
- struct rxe_mmap_info **ip_p)
+int do_mmap_info(struct rxe_dev *rxe, struct mminfo __user *outbuf,
+ struct ib_udata *udata, struct rxe_queue_buf *buf,
+ size_t buf_size, struct rxe_mmap_info **ip_p)
{
int err;
struct rxe_mmap_info *ip = NULL;
if (outbuf) {
- ip = rxe_create_mmap_info(rxe, buf_size, context, buf);
+ ip = rxe_create_mmap_info(rxe, buf_size, udata, buf);
if (!ip)
goto err1;
return 0;
}
-int rxe_queue_resize(struct rxe_queue *q,
- unsigned int *num_elem_p,
- unsigned int elem_size,
- struct ib_ucontext *context,
- struct mminfo __user *outbuf,
- spinlock_t *producer_lock,
+int rxe_queue_resize(struct rxe_queue *q, unsigned int *num_elem_p,
+ unsigned int elem_size, struct ib_udata *udata,
+ struct mminfo __user *outbuf, spinlock_t *producer_lock,
spinlock_t *consumer_lock)
{
struct rxe_queue *new_q;
if (!new_q)
return -ENOMEM;
- err = do_mmap_info(new_q->rxe, outbuf, context, new_q->buf,
+ err = do_mmap_info(new_q->rxe, outbuf, udata, new_q->buf,
new_q->buf_size, &new_q->ip);
if (err) {
vfree(new_q->buf);
unsigned int index_mask;
};
-int do_mmap_info(struct rxe_dev *rxe,
- struct mminfo __user *outbuf,
- struct ib_ucontext *context,
- struct rxe_queue_buf *buf,
- size_t buf_size,
- struct rxe_mmap_info **ip_p);
+int do_mmap_info(struct rxe_dev *rxe, struct mminfo __user *outbuf,
+ struct ib_udata *udata, struct rxe_queue_buf *buf,
+ size_t buf_size, struct rxe_mmap_info **ip_p);
void rxe_queue_reset(struct rxe_queue *q);
int *num_elem,
unsigned int elem_size);
-int rxe_queue_resize(struct rxe_queue *q,
- unsigned int *num_elem_p,
- unsigned int elem_size,
- struct ib_ucontext *context,
+int rxe_queue_resize(struct rxe_queue *q, unsigned int *num_elem_p,
+ unsigned int elem_size, struct ib_udata *udata,
struct mminfo __user *outbuf,
/* Protect producers while resizing queue */
spinlock_t *producer_lock,
}
int rxe_srq_from_init(struct rxe_dev *rxe, struct rxe_srq *srq,
- struct ib_srq_init_attr *init,
- struct ib_ucontext *context,
+ struct ib_srq_init_attr *init, struct ib_udata *udata,
struct rxe_create_srq_resp __user *uresp)
{
int err;
srq->rq.queue = q;
- err = do_mmap_info(rxe, uresp ? &uresp->mi : NULL, context, q->buf,
+ err = do_mmap_info(rxe, uresp ? &uresp->mi : NULL, udata, q->buf,
q->buf_size, &q->ip);
if (err) {
vfree(q->buf);
int rxe_srq_from_attr(struct rxe_dev *rxe, struct rxe_srq *srq,
struct ib_srq_attr *attr, enum ib_srq_attr_mask mask,
- struct rxe_modify_srq_cmd *ucmd)
+ struct rxe_modify_srq_cmd *ucmd, struct ib_udata *udata)
{
int err;
struct rxe_queue *q = srq->rq.queue;
mi = u64_to_user_ptr(ucmd->mmap_info_addr);
err = rxe_queue_resize(q, &attr->max_wr,
- rcv_wqe_size(srq->rq.max_sge),
- srq->rq.queue->ip ?
- srq->rq.queue->ip->context :
- NULL,
- mi, &srq->rq.producer_lock,
+ rcv_wqe_size(srq->rq.max_sge), udata, mi,
+ &srq->rq.producer_lock,
&srq->rq.consumer_lock);
if (err)
goto err2;
return 0;
}
-static int rxe_alloc_pd(struct ib_pd *ibpd, struct ib_ucontext *context,
- struct ib_udata *udata)
+static int rxe_alloc_pd(struct ib_pd *ibpd, struct ib_udata *udata)
{
struct rxe_dev *rxe = to_rdev(ibpd->device);
struct rxe_pd *pd = to_rpd(ibpd);
return rxe_add_to_pool(&rxe->pd_pool, &pd->pelem);
}
-static void rxe_dealloc_pd(struct ib_pd *ibpd)
+static void rxe_dealloc_pd(struct ib_pd *ibpd, struct ib_udata *udata)
{
struct rxe_pd *pd = to_rpd(ibpd);
rxe_drop_ref(pd);
}
-static struct ib_ah *rxe_create_ah(struct ib_pd *ibpd,
- struct rdma_ah_attr *attr,
- u32 flags,
- struct ib_udata *udata)
+static int rxe_create_ah(struct ib_ah *ibah, struct rdma_ah_attr *attr,
+ u32 flags, struct ib_udata *udata)
{
int err;
- struct rxe_dev *rxe = to_rdev(ibpd->device);
- struct rxe_pd *pd = to_rpd(ibpd);
- struct rxe_ah *ah;
+ struct rxe_dev *rxe = to_rdev(ibah->device);
+ struct rxe_ah *ah = to_rah(ibah);
err = rxe_av_chk_attr(rxe, attr);
if (err)
- return ERR_PTR(err);
-
- ah = rxe_alloc(&rxe->ah_pool);
- if (!ah)
- return ERR_PTR(-ENOMEM);
+ return err;
- rxe_add_ref(pd);
- ah->pd = pd;
+ err = rxe_add_to_pool(&rxe->ah_pool, &ah->pelem);
+ if (err)
+ return err;
rxe_init_av(attr, &ah->av);
- return &ah->ibah;
+ return 0;
}
static int rxe_modify_ah(struct ib_ah *ibah, struct rdma_ah_attr *attr)
return 0;
}
-static int rxe_destroy_ah(struct ib_ah *ibah, u32 flags)
+static void rxe_destroy_ah(struct ib_ah *ibah, u32 flags)
{
struct rxe_ah *ah = to_rah(ibah);
- rxe_drop_ref(ah->pd);
rxe_drop_ref(ah);
- return 0;
}
static int post_one_recv(struct rxe_rq *rq, const struct ib_recv_wr *ibwr)
return err;
}
-static struct ib_srq *rxe_create_srq(struct ib_pd *ibpd,
- struct ib_srq_init_attr *init,
- struct ib_udata *udata)
+static int rxe_create_srq(struct ib_srq *ibsrq, struct ib_srq_init_attr *init,
+ struct ib_udata *udata)
{
int err;
- struct rxe_dev *rxe = to_rdev(ibpd->device);
- struct rxe_pd *pd = to_rpd(ibpd);
- struct rxe_ucontext *ucontext =
- rdma_udata_to_drv_context(udata, struct rxe_ucontext, ibuc);
- struct rxe_srq *srq;
+ struct rxe_dev *rxe = to_rdev(ibsrq->device);
+ struct rxe_pd *pd = to_rpd(ibsrq->pd);
+ struct rxe_srq *srq = to_rsrq(ibsrq);
struct rxe_create_srq_resp __user *uresp = NULL;
if (udata) {
if (udata->outlen < sizeof(*uresp))
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
uresp = udata->outbuf;
}
if (err)
goto err1;
- srq = rxe_alloc(&rxe->srq_pool);
- if (!srq) {
- err = -ENOMEM;
+ err = rxe_add_to_pool(&rxe->srq_pool, &srq->pelem);
+ if (err)
goto err1;
- }
- rxe_add_index(srq);
rxe_add_ref(pd);
srq->pd = pd;
- err = rxe_srq_from_init(rxe, srq, init, &ucontext->ibuc, uresp);
+ err = rxe_srq_from_init(rxe, srq, init, udata, uresp);
if (err)
goto err2;
- return &srq->ibsrq;
+ return 0;
err2:
rxe_drop_ref(pd);
- rxe_drop_index(srq);
rxe_drop_ref(srq);
err1:
- return ERR_PTR(err);
+ return err;
}
static int rxe_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
if (err)
goto err1;
- err = rxe_srq_from_attr(rxe, srq, attr, mask, &ucmd);
+ err = rxe_srq_from_attr(rxe, srq, attr, mask, &ucmd, udata);
if (err)
goto err1;
return 0;
}
-static int rxe_destroy_srq(struct ib_srq *ibsrq)
+static void rxe_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata)
{
struct rxe_srq *srq = to_rsrq(ibsrq);
rxe_queue_cleanup(srq->rq.queue);
rxe_drop_ref(srq->pd);
- rxe_drop_index(srq);
rxe_drop_ref(srq);
-
- return 0;
}
static int rxe_post_srq_recv(struct ib_srq *ibsrq, const struct ib_recv_wr *wr,
return 0;
}
-static int rxe_destroy_qp(struct ib_qp *ibqp)
+static int rxe_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata)
{
struct rxe_qp *qp = to_rqp(ibqp);
static struct ib_cq *rxe_create_cq(struct ib_device *dev,
const struct ib_cq_init_attr *attr,
- struct ib_ucontext *context,
struct ib_udata *udata)
{
int err;
goto err1;
}
- err = rxe_cq_from_init(rxe, cq, attr->cqe, attr->comp_vector,
- context, uresp);
+ err = rxe_cq_from_init(rxe, cq, attr->cqe, attr->comp_vector, udata,
+ uresp);
if (err)
goto err2;
return ERR_PTR(err);
}
-static int rxe_destroy_cq(struct ib_cq *ibcq)
+static int rxe_destroy_cq(struct ib_cq *ibcq, struct ib_udata *udata)
{
struct rxe_cq *cq = to_rcq(ibcq);
if (err)
goto err1;
- err = rxe_cq_resize_queue(cq, cqe, uresp);
+ err = rxe_cq_resize_queue(cq, cqe, uresp, udata);
if (err)
goto err1;
return ERR_PTR(err);
}
-static int rxe_dereg_mr(struct ib_mr *ibmr)
+static int rxe_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata)
{
struct rxe_mem *mr = to_rmr(ibmr);
return 0;
}
-static struct ib_mr *rxe_alloc_mr(struct ib_pd *ibpd,
- enum ib_mr_type mr_type,
- u32 max_num_sg)
+static struct ib_mr *rxe_alloc_mr(struct ib_pd *ibpd, enum ib_mr_type mr_type,
+ u32 max_num_sg, struct ib_udata *udata)
{
struct rxe_dev *rxe = to_rdev(ibpd->device);
struct rxe_pd *pd = to_rpd(ibpd);
.reg_user_mr = rxe_reg_user_mr,
.req_notify_cq = rxe_req_notify_cq,
.resize_cq = rxe_resize_cq,
+
+ INIT_RDMA_OBJ_SIZE(ib_ah, rxe_ah, ibah),
INIT_RDMA_OBJ_SIZE(ib_pd, rxe_pd, ibpd),
+ INIT_RDMA_OBJ_SIZE(ib_srq, rxe_srq, ibsrq),
INIT_RDMA_OBJ_SIZE(ib_ucontext, rxe_ucontext, ibuc),
};
};
struct rxe_ah {
- struct rxe_pool_entry pelem;
struct ib_ah ibah;
+ struct rxe_pool_entry pelem;
struct rxe_pd *pd;
struct rxe_av av;
};
};
struct rxe_srq {
- struct rxe_pool_entry pelem;
struct ib_srq ibsrq;
+ struct rxe_pool_entry pelem;
struct rxe_pd *pd;
struct rxe_rq rq;
u32 srq_num;
{
struct net_device *ndev = to_net_dev(dev);
- if (ndev->dev_id == ndev->dev_port)
+ /*
+ * ndev->dev_port will be equal to 0 in old kernel prior to commit
+ * 9b8b2a323008 ("IB/ipoib: Use dev_port to expose network interface
+ * port numbers") Zero was chosen as special case for user space
+ * applications to fallback and query dev_id to check if it has
+ * different value or not.
+ *
+ * Don't print warning in such scenario.
+ *
+ * https://github.com/systemd/systemd/blob/master/src/udev/udev-builtin-net_id.c#L358
+ */
+ if (ndev->dev_port && ndev->dev_id == ndev->dev_port)
netdev_info_once(ndev,
"\"%s\" wants to know my dev_id. Should it look at dev_port instead? See Documentation/ABI/testing/sysfs-class-net for more info.\n",
current->comm);
ipoib_dbg(priv, "Event %d on device %s port %d\n", record->event,
dev_name(&record->device->dev), record->element.port_num);
- if (record->event == IB_EVENT_SM_CHANGE ||
- record->event == IB_EVENT_CLIENT_REREGISTER) {
+ if (record->event == IB_EVENT_CLIENT_REREGISTER) {
queue_work(ipoib_workqueue, &priv->flush_light);
} else if (record->event == IB_EVENT_PORT_ERR ||
record->event == IB_EVENT_PORT_ACTIVE ||
select SCSI_ISCSI_ATTRS
---help---
Support for the iSCSI Extensions for RDMA (iSER) Protocol
- over InfiniBand. This allows you to access storage devices
- that speak iSCSI over iSER over InfiniBand.
+ over InfiniBand. This allows you to access storage devices
+ that speak iSCSI over iSER over InfiniBand.
The iSER protocol is defined by IETF.
See <http://www.ietf.org/rfc/rfc5046.txt>
enum iscsi_param param, char *buf)
{
struct iser_conn *iser_conn = ep->dd_data;
- int len;
switch (param) {
case ISCSI_PARAM_CONN_PORT:
return iscsi_conn_get_addr_param((struct sockaddr_storage *)
&iser_conn->ib_conn.cma_id->route.addr.dst_addr,
param, buf);
- break;
default:
- return -ENOSYS;
+ break;
}
-
- return len;
+ return -ENOSYS;
}
/**
u64 rsp_dma;
struct ib_sge sge;
struct ib_cqe cqe;
-} __attribute__((packed));
+} __packed;
struct iser_conn;
struct ib_conn;
*/
#include <linux/module.h>
+#include <linux/xarray.h>
#include <rdma/ib_addr.h>
#include <rdma/ib_verbs.h>
#include <rdma/opa_smi.h>
* @class_port_info: Class port info information.
* @tid: Transaction id
* @port_num: OPA port number
- * @vport_idr: vnic ports idr
+ * @vports: vnic ports
* @event_handler: ib event handler
* @lock: adapter interface lock
*/
struct opa_class_port_info class_port_info;
u64 tid;
u8 port_num;
- struct idr vport_idr;
+ struct xarray vports;
struct ib_event_handler event_handler;
/* Lock to query/update network adapter */
{
u8 vport_num = vema_get_vport_num(recvd_mad);
- return idr_find(&port->vport_idr, vport_num);
+ return xa_load(&port->vports, vport_num);
}
/**
int rc;
adapter->cport = cport;
- rc = idr_alloc(&port->vport_idr, adapter, vport_num,
- vport_num + 1, GFP_NOWAIT);
+ rc = xa_insert(&port->vports, vport_num, adapter, GFP_KERNEL);
if (rc < 0) {
opa_vnic_rem_netdev(adapter);
adapter = ERR_PTR(rc);
v_err("Aborting trap\n");
}
-static int vema_rem_vport(int id, void *p, void *data)
-{
- struct opa_vnic_adapter *adapter = p;
-
- opa_vnic_rem_netdev(adapter);
- return 0;
-}
-
-static int vema_enable_vport(int id, void *p, void *data)
-{
- struct opa_vnic_adapter *adapter = p;
-
- netif_carrier_on(adapter->netdev);
- return 0;
-}
-
-static int vema_disable_vport(int id, void *p, void *data)
-{
- struct opa_vnic_adapter *adapter = p;
-
- netif_carrier_off(adapter->netdev);
- return 0;
-}
-
static void opa_vnic_event(struct ib_event_handler *handler,
struct ib_event *record)
{
struct opa_vnic_vema_port *port =
container_of(handler, struct opa_vnic_vema_port, event_handler);
struct opa_vnic_ctrl_port *cport = port->cport;
+ struct opa_vnic_adapter *adapter;
+ unsigned long index;
if (record->element.port_num != port->port_num)
return;
record->event, dev_name(&record->device->dev),
record->element.port_num);
- if (record->event == IB_EVENT_PORT_ERR)
- idr_for_each(&port->vport_idr, vema_disable_vport, NULL);
- if (record->event == IB_EVENT_PORT_ACTIVE)
- idr_for_each(&port->vport_idr, vema_enable_vport, NULL);
+ if (record->event != IB_EVENT_PORT_ERR &&
+ record->event != IB_EVENT_PORT_ACTIVE)
+ return;
+
+ xa_for_each(&port->vports, index, adapter) {
+ if (record->event == IB_EVENT_PORT_ACTIVE)
+ netif_carrier_on(adapter->netdev);
+ else
+ netif_carrier_off(adapter->netdev);
+ }
}
/**
*/
static void vema_unregister(struct opa_vnic_ctrl_port *cport)
{
+ struct opa_vnic_adapter *adapter;
+ unsigned long index;
int i;
for (i = 1; i <= cport->num_ports; i++) {
/* Lock ensures no MAD is being processed */
mutex_lock(&port->lock);
- idr_for_each(&port->vport_idr, vema_rem_vport, NULL);
+ xa_for_each(&port->vports, index, adapter)
+ opa_vnic_rem_netdev(adapter);
mutex_unlock(&port->lock);
ib_unregister_mad_agent(port->mad_agent);
port->mad_agent = NULL;
mutex_destroy(&port->lock);
- idr_destroy(&port->vport_idr);
+ xa_destroy(&port->vports);
ib_unregister_event_handler(&port->event_handler);
}
}
cport->ibdev, opa_vnic_event);
ib_register_event_handler(&port->event_handler);
- idr_init(&port->vport_idr);
+ xa_init(&port->vports);
mutex_init(&port->lock);
port->mad_agent = ib_register_mad_agent(cport->ibdev, i,
IB_QPT_GSI, ®_req,
ret = PTR_ERR(port->mad_agent);
port->mad_agent = NULL;
mutex_destroy(&port->lock);
- idr_destroy(&port->vport_idr);
vema_unregister(cport);
return ret;
}
do_div(ns, NSEC_PER_SEC / HZ);
clock->overflow_period = ns;
- mdev->clock_info_page = alloc_page(GFP_KERNEL);
- if (mdev->clock_info_page) {
- mdev->clock_info = kmap(mdev->clock_info_page);
- if (!mdev->clock_info) {
- __free_page(mdev->clock_info_page);
- mlx5_core_warn(mdev, "failed to map clock page\n");
- } else {
- mdev->clock_info->sign = 0;
- mdev->clock_info->nsec = clock->tc.nsec;
- mdev->clock_info->cycles = clock->tc.cycle_last;
- mdev->clock_info->mask = clock->cycles.mask;
- mdev->clock_info->mult = clock->nominal_c_mult;
- mdev->clock_info->shift = clock->cycles.shift;
- mdev->clock_info->frac = clock->tc.frac;
- mdev->clock_info->overflow_period =
- clock->overflow_period;
- }
+ mdev->clock_info =
+ (struct mlx5_ib_clock_info *)get_zeroed_page(GFP_KERNEL);
+ if (mdev->clock_info) {
+ mdev->clock_info->nsec = clock->tc.nsec;
+ mdev->clock_info->cycles = clock->tc.cycle_last;
+ mdev->clock_info->mask = clock->cycles.mask;
+ mdev->clock_info->mult = clock->nominal_c_mult;
+ mdev->clock_info->shift = clock->cycles.shift;
+ mdev->clock_info->frac = clock->tc.frac;
+ mdev->clock_info->overflow_period = clock->overflow_period;
}
INIT_WORK(&clock->pps_info.out_work, mlx5_pps_out);
cancel_delayed_work_sync(&clock->overflow_work);
if (mdev->clock_info) {
- kunmap(mdev->clock_info_page);
- __free_page(mdev->clock_info_page);
+ free_page((unsigned long)mdev->clock_info);
mdev->clock_info = NULL;
}
const struct net_device *dev,
const char *fmt, ...);
+struct ib_device;
+
+extern __printf(3, 4)
+void __dynamic_ibdev_dbg(struct _ddebug *descriptor,
+ const struct ib_device *ibdev,
+ const char *fmt, ...);
+
#define DEFINE_DYNAMIC_DEBUG_METADATA(name, fmt) \
static struct _ddebug __aligned(8) \
__attribute__((section("__verbose"))) name = { \
_dynamic_func_call(fmt, __dynamic_netdev_dbg, \
dev, fmt, ##__VA_ARGS__)
+#define dynamic_ibdev_dbg(dev, fmt, ...) \
+ _dynamic_func_call(fmt, __dynamic_ibdev_dbg, \
+ dev, fmt, ##__VA_ARGS__)
+
#define dynamic_hex_dump(prefix_str, prefix_type, rowsize, \
groupsize, buf, len, ascii) \
_dynamic_func_call_no_desc(__builtin_constant_p(prefix_str) ? prefix_str : "hexdump", \
#endif
struct mlx5_clock clock;
struct mlx5_ib_clock_info *clock_info;
- struct page *clock_info_page;
struct mlx5_fw_tracer *tracer;
};
#define type_max(T) ((T)((__type_half_max(T) - 1) + __type_half_max(T)))
#define type_min(T) ((T)((T)-type_max(T)-(T)1))
+/*
+ * Avoids triggering -Wtype-limits compilation warning,
+ * while using unsigned data types to check a < 0.
+ */
+#define is_non_negative(a) ((a) > 0 || (a) == 0)
+#define is_negative(a) (!(is_non_negative(a)))
#ifdef COMPILER_HAS_GENERIC_BUILTIN_OVERFLOW
/*
typeof(d) _d = d; \
u64 _a_full = _a; \
unsigned int _to_shift = \
- _s >= 0 && _s < 8 * sizeof(*d) ? _s : 0; \
+ is_non_negative(_s) && _s < 8 * sizeof(*d) ? _s : 0; \
*_d = (_a_full << _to_shift); \
- (_to_shift != _s || *_d < 0 || _a < 0 || \
- (*_d >> _to_shift) != _a); \
+ (_to_shift != _s || is_negative(*_d) || is_negative(_a) || \
+ (*_d >> _to_shift) != _a); \
})
/**
* sg page iterator
*
* Iterates over sg entries page-by-page. On each successful iteration, you
- * can call sg_page_iter_page(@piter) to get the current page and its dma
- * address. @piter->sg will point to the sg holding this page and
- * @piter->sg_pgoffset to the page's page offset within the sg. The iteration
- * will stop either when a maximum number of sg entries was reached or a
- * terminating sg (sg_last(sg) == true) was reached.
+ * can call sg_page_iter_page(@piter) to get the current page.
+ * @piter->sg will point to the sg holding this page and @piter->sg_pgoffset to
+ * the page's page offset within the sg. The iteration will stop either when a
+ * maximum number of sg entries was reached or a terminating sg
+ * (sg_last(sg) == true) was reached.
*/
struct sg_page_iter {
struct scatterlist *sg; /* sg holding the page */
void *),
void *context);
+int rdma_read_gid_l2_fields(const struct ib_gid_attr *attr,
+ u16 *vlan_id, u8 *smac);
+struct net_device *rdma_read_gid_attr_ndev_rcu(const struct ib_gid_attr *attr);
+
/**
* ib_get_cached_pkey - Returns a cached PKey table entry
* @device: The device to query.
__be16 attr_offset;
__be16 reserved;
ib_sa_comp_mask comp_mask;
-} __attribute__ ((packed));
+} __packed;
struct ib_mad {
struct ib_mad_hdr mad_hdr;
struct ib_rmpp_hdr rmpp_hdr;
struct ib_sa_hdr sa_hdr;
u8 data[IB_MGMT_SA_DATA];
-} __attribute__ ((packed));
+} __packed;
struct ib_vendor_mad {
struct ib_mad_hdr mad_hdr;
u8 data[IB_SMP_DATA_SIZE];
u8 initial_path[IB_SMP_MAX_PATH_HOPS];
u8 return_path[IB_SMP_MAX_PATH_HOPS];
-} __attribute__ ((packed));
+} __packed;
#define IB_SMP_DIRECTION cpu_to_be16(0x8000)
unsigned long address;
int page_shift;
u32 writable : 1;
- u32 hugetlb : 1;
u32 is_odp : 1;
struct work_struct work;
struct sg_table sg_head;
int nmap;
- int npages;
+ unsigned int sg_nents;
};
/* Returns the offset of the umem start relative to the first page. */
int ib_umem_page_count(struct ib_umem *umem);
int ib_umem_copy_from(void *dst, struct ib_umem *umem, size_t offset,
size_t length);
+unsigned long ib_umem_find_best_pgsz(struct ib_umem *umem,
+ unsigned long pgsz_bitmap,
+ unsigned long virt);
#else /* CONFIG_INFINIBAND_USER_MEM */
size_t length) {
return -EINVAL;
}
+static inline int ib_umem_find_best_pgsz(struct ib_umem *umem,
+ unsigned long pgsz_bitmap,
+ unsigned long virt) {
+ return -EINVAL;
+}
+
#endif /* CONFIG_INFINIBAND_USER_MEM */
#endif /* IB_UMEM_H */
int notifiers_seq;
int notifiers_count;
+ int npages;
/* Tree tracking */
struct umem_odp_node interval_tree;
#include <linux/mmu_notifier.h>
#include <linux/uaccess.h>
#include <linux/cgroup_rdma.h>
+#include <linux/irqflags.h>
+#include <linux/preempt.h>
#include <uapi/rdma/ib_user_verbs.h>
#include <rdma/restrack.h>
#include <uapi/rdma/rdma_user_ioctl.h>
extern struct workqueue_struct *ib_comp_wq;
extern struct workqueue_struct *ib_comp_unbound_wq;
+__printf(3, 4) __cold
+void ibdev_printk(const char *level, const struct ib_device *ibdev,
+ const char *format, ...);
+__printf(2, 3) __cold
+void ibdev_emerg(const struct ib_device *ibdev, const char *format, ...);
+__printf(2, 3) __cold
+void ibdev_alert(const struct ib_device *ibdev, const char *format, ...);
+__printf(2, 3) __cold
+void ibdev_crit(const struct ib_device *ibdev, const char *format, ...);
+__printf(2, 3) __cold
+void ibdev_err(const struct ib_device *ibdev, const char *format, ...);
+__printf(2, 3) __cold
+void ibdev_warn(const struct ib_device *ibdev, const char *format, ...);
+__printf(2, 3) __cold
+void ibdev_notice(const struct ib_device *ibdev, const char *format, ...);
+__printf(2, 3) __cold
+void ibdev_info(const struct ib_device *ibdev, const char *format, ...);
+
+#if defined(CONFIG_DYNAMIC_DEBUG)
+#define ibdev_dbg(__dev, format, args...) \
+ dynamic_ibdev_dbg(__dev, format, ##args)
+#elif defined(DEBUG)
+#define ibdev_dbg(__dev, format, args...) \
+ ibdev_printk(KERN_DEBUG, __dev, format, ##args)
+#else
+__printf(2, 3) __cold
+static inline
+void ibdev_dbg(const struct ib_device *ibdev, const char *format, ...) {}
+#endif
+
union ib_gid {
u8 raw[16];
struct {
#define ROCE_V2_UDP_DPORT 4791
struct ib_gid_attr {
- struct net_device *ndev;
+ struct net_device __rcu *ndev;
struct ib_device *device;
union ib_gid gid;
enum ib_gid_type gid_type;
RDMA_NODE_RNIC,
RDMA_NODE_USNIC,
RDMA_NODE_USNIC_UDP,
+ RDMA_NODE_UNSPECIFIED,
};
enum {
RDMA_TRANSPORT_IB,
RDMA_TRANSPORT_IWARP,
RDMA_TRANSPORT_USNIC,
- RDMA_TRANSPORT_USNIC_UDP
+ RDMA_TRANSPORT_USNIC_UDP,
+ RDMA_TRANSPORT_UNSPECIFIED,
};
enum rdma_protocol_type {
struct ib_event_handler event_handler;
};
-struct iw_cm_verbs;
-
struct ib_port_immutable {
int pkey_tbl_len;
int gid_tbl_len;
};
struct uverbs_attr_bundle;
+struct iw_cm_id;
+struct iw_cm_conn_param;
#define INIT_RDMA_OBJ_SIZE(ib_struct, drv_struct, member) \
.size_##ib_struct = \
!__same_type(((struct drv_struct *)NULL)->member, \
struct ib_struct)))
+#define rdma_zalloc_drv_obj_gfp(ib_dev, ib_type, gfp) \
+ ((struct ib_type *)kzalloc(ib_dev->ops.size_##ib_type, gfp))
+
#define rdma_zalloc_drv_obj(ib_dev, ib_type) \
- ((struct ib_type *)kzalloc(ib_dev->ops.size_##ib_type, GFP_KERNEL))
+ rdma_zalloc_drv_obj_gfp(ib_dev, ib_type, GFP_KERNEL)
#define DECLARE_RDMA_OBJ_SIZE(ib_struct) size_t size_##ib_struct
void (*dealloc_ucontext)(struct ib_ucontext *context);
int (*mmap)(struct ib_ucontext *context, struct vm_area_struct *vma);
void (*disassociate_ucontext)(struct ib_ucontext *ibcontext);
- int (*alloc_pd)(struct ib_pd *pd, struct ib_ucontext *context,
- struct ib_udata *udata);
- void (*dealloc_pd)(struct ib_pd *pd);
- struct ib_ah *(*create_ah)(struct ib_pd *pd,
- struct rdma_ah_attr *ah_attr, u32 flags,
- struct ib_udata *udata);
+ int (*alloc_pd)(struct ib_pd *pd, struct ib_udata *udata);
+ void (*dealloc_pd)(struct ib_pd *pd, struct ib_udata *udata);
+ int (*create_ah)(struct ib_ah *ah, struct rdma_ah_attr *ah_attr,
+ u32 flags, struct ib_udata *udata);
int (*modify_ah)(struct ib_ah *ah, struct rdma_ah_attr *ah_attr);
int (*query_ah)(struct ib_ah *ah, struct rdma_ah_attr *ah_attr);
- int (*destroy_ah)(struct ib_ah *ah, u32 flags);
- struct ib_srq *(*create_srq)(struct ib_pd *pd,
- struct ib_srq_init_attr *srq_init_attr,
- struct ib_udata *udata);
+ void (*destroy_ah)(struct ib_ah *ah, u32 flags);
+ int (*create_srq)(struct ib_srq *srq,
+ struct ib_srq_init_attr *srq_init_attr,
+ struct ib_udata *udata);
int (*modify_srq)(struct ib_srq *srq, struct ib_srq_attr *srq_attr,
enum ib_srq_attr_mask srq_attr_mask,
struct ib_udata *udata);
int (*query_srq)(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
- int (*destroy_srq)(struct ib_srq *srq);
+ void (*destroy_srq)(struct ib_srq *srq, struct ib_udata *udata);
struct ib_qp *(*create_qp)(struct ib_pd *pd,
struct ib_qp_init_attr *qp_init_attr,
struct ib_udata *udata);
int qp_attr_mask, struct ib_udata *udata);
int (*query_qp)(struct ib_qp *qp, struct ib_qp_attr *qp_attr,
int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr);
- int (*destroy_qp)(struct ib_qp *qp);
+ int (*destroy_qp)(struct ib_qp *qp, struct ib_udata *udata);
struct ib_cq *(*create_cq)(struct ib_device *device,
const struct ib_cq_init_attr *attr,
- struct ib_ucontext *context,
struct ib_udata *udata);
int (*modify_cq)(struct ib_cq *cq, u16 cq_count, u16 cq_period);
- int (*destroy_cq)(struct ib_cq *cq);
+ int (*destroy_cq)(struct ib_cq *cq, struct ib_udata *udata);
int (*resize_cq)(struct ib_cq *cq, int cqe, struct ib_udata *udata);
struct ib_mr *(*get_dma_mr)(struct ib_pd *pd, int mr_access_flags);
struct ib_mr *(*reg_user_mr)(struct ib_pd *pd, u64 start, u64 length,
int (*rereg_user_mr)(struct ib_mr *mr, int flags, u64 start, u64 length,
u64 virt_addr, int mr_access_flags,
struct ib_pd *pd, struct ib_udata *udata);
- int (*dereg_mr)(struct ib_mr *mr);
+ int (*dereg_mr)(struct ib_mr *mr, struct ib_udata *udata);
struct ib_mr *(*alloc_mr)(struct ib_pd *pd, enum ib_mr_type mr_type,
- u32 max_num_sg);
+ u32 max_num_sg, struct ib_udata *udata);
int (*advise_mr)(struct ib_pd *pd,
enum ib_uverbs_advise_mr_advice advice, u32 flags,
struct ib_sge *sg_list, u32 num_sge,
int (*attach_mcast)(struct ib_qp *qp, union ib_gid *gid, u16 lid);
int (*detach_mcast)(struct ib_qp *qp, union ib_gid *gid, u16 lid);
struct ib_xrcd *(*alloc_xrcd)(struct ib_device *device,
- struct ib_ucontext *ucontext,
struct ib_udata *udata);
- int (*dealloc_xrcd)(struct ib_xrcd *xrcd);
+ int (*dealloc_xrcd)(struct ib_xrcd *xrcd, struct ib_udata *udata);
struct ib_flow *(*create_flow)(struct ib_qp *qp,
struct ib_flow_attr *flow_attr,
int domain, struct ib_udata *udata);
struct ib_wq *(*create_wq)(struct ib_pd *pd,
struct ib_wq_init_attr *init_attr,
struct ib_udata *udata);
- int (*destroy_wq)(struct ib_wq *wq);
+ int (*destroy_wq)(struct ib_wq *wq, struct ib_udata *udata);
int (*modify_wq)(struct ib_wq *wq, struct ib_wq_attr *attr,
u32 wq_attr_mask, struct ib_udata *udata);
struct ib_rwq_ind_table *(*create_rwq_ind_table)(
struct ib_ucontext *context,
struct ib_dm_alloc_attr *attr,
struct uverbs_attr_bundle *attrs);
- int (*dealloc_dm)(struct ib_dm *dm);
+ int (*dealloc_dm)(struct ib_dm *dm, struct uverbs_attr_bundle *attrs);
struct ib_mr *(*reg_dm_mr)(struct ib_pd *pd, struct ib_dm *dm,
struct ib_dm_mr_attr *attr,
struct uverbs_attr_bundle *attrs);
*/
void (*dealloc_driver)(struct ib_device *dev);
+ /* iWarp CM callbacks */
+ void (*iw_add_ref)(struct ib_qp *qp);
+ void (*iw_rem_ref)(struct ib_qp *qp);
+ struct ib_qp *(*iw_get_qp)(struct ib_device *device, int qpn);
+ int (*iw_connect)(struct iw_cm_id *cm_id,
+ struct iw_cm_conn_param *conn_param);
+ int (*iw_accept)(struct iw_cm_id *cm_id,
+ struct iw_cm_conn_param *conn_param);
+ int (*iw_reject)(struct iw_cm_id *cm_id, const void *pdata,
+ u8 pdata_len);
+ int (*iw_create_listen)(struct iw_cm_id *cm_id, int backlog);
+ int (*iw_destroy_listen)(struct iw_cm_id *cm_id);
+
+ DECLARE_RDMA_OBJ_SIZE(ib_ah);
DECLARE_RDMA_OBJ_SIZE(ib_pd);
+ DECLARE_RDMA_OBJ_SIZE(ib_srq);
DECLARE_RDMA_OBJ_SIZE(ib_ucontext);
};
-struct rdma_restrack_root;
+struct ib_core_device {
+ /* device must be the first element in structure until,
+ * union of ib_core_device and device exists in ib_device.
+ */
+ struct device dev;
+ possible_net_t rdma_net;
+ struct kobject *ports_kobj;
+ struct list_head port_list;
+ struct ib_device *owner; /* reach back to owner ib_device */
+};
+struct rdma_restrack_root;
struct ib_device {
/* Do not access @dma_device directly from ULP nor from HW drivers. */
struct device *dma_device;
int num_comp_vectors;
- struct iw_cm_verbs *iwcm;
-
struct module *owner;
- struct device dev;
+ union {
+ struct device dev;
+ struct ib_core_device coredev;
+ };
+
/* First group for device attributes,
* Second group for driver provided attributes (optional).
* It is NULL terminated array.
*/
const struct attribute_group *groups[3];
- struct kobject *ports_kobj;
- struct list_head port_list;
-
int uverbs_abi_ver;
u64 uverbs_cmd_mask;
u64 uverbs_ex_cmd_mask;
struct work_struct unregistration_work;
const struct rdma_link_ops *link_ops;
+
+ /* Protects compat_devs xarray modifications */
+ struct mutex compat_devs_mutex;
+ /* Maintains compat devices for each net namespace */
+ struct xarray compat_devs;
+
+ /* Used by iWarp CM */
+ char iw_ifname[IFNAMSIZ];
+ u32 iw_driver_flags;
};
struct ib_client {
u8 no_kverbs_req:1;
};
+/*
+ * IB block DMA iterator
+ *
+ * Iterates the DMA-mapped SGL in contiguous memory blocks aligned
+ * to a HW supported page size.
+ */
+struct ib_block_iter {
+ /* internal states */
+ struct scatterlist *__sg; /* sg holding the current aligned block */
+ dma_addr_t __dma_addr; /* unaligned DMA address of this block */
+ unsigned int __sg_nents; /* number of SG entries */
+ unsigned int __sg_advance; /* number of bytes to advance in sg in next step */
+ unsigned int __pg_bit; /* alignment of current block */
+};
+
struct ib_device *_ib_alloc_device(size_t size);
#define ib_alloc_device(drv_struct, member) \
container_of(_ib_alloc_device(sizeof(struct drv_struct) + \
int ib_register_client (struct ib_client *client);
void ib_unregister_client(struct ib_client *client);
+void __rdma_block_iter_start(struct ib_block_iter *biter,
+ struct scatterlist *sglist,
+ unsigned int nents,
+ unsigned long pgsz);
+bool __rdma_block_iter_next(struct ib_block_iter *biter);
+
+/**
+ * rdma_block_iter_dma_address - get the aligned dma address of the current
+ * block held by the block iterator.
+ * @biter: block iterator holding the memory block
+ */
+static inline dma_addr_t
+rdma_block_iter_dma_address(struct ib_block_iter *biter)
+{
+ return biter->__dma_addr & ~(BIT_ULL(biter->__pg_bit) - 1);
+}
+
+/**
+ * rdma_for_each_block - iterate over contiguous memory blocks of the sg list
+ * @sglist: sglist to iterate over
+ * @biter: block iterator holding the memory block
+ * @nents: maximum number of sg entries to iterate over
+ * @pgsz: best HW supported page size to use
+ *
+ * Callers may use rdma_block_iter_dma_address() to get each
+ * blocks aligned DMA address.
+ */
+#define rdma_for_each_block(sglist, biter, nents, pgsz) \
+ for (__rdma_block_iter_start(biter, sglist, nents, \
+ pgsz); \
+ __rdma_block_iter_next(biter);)
+
/**
* ib_get_client_data - Get IB client context
* @device:Device to get context for
#if IS_ENABLED(CONFIG_INFINIBAND_USER_ACCESS)
int rdma_user_mmap_io(struct ib_ucontext *ucontext, struct vm_area_struct *vma,
unsigned long pfn, unsigned long size, pgprot_t prot);
-int rdma_user_mmap_page(struct ib_ucontext *ucontext,
- struct vm_area_struct *vma, struct page *page,
- unsigned long size);
#else
static inline int rdma_user_mmap_io(struct ib_ucontext *ucontext,
struct vm_area_struct *vma,
{
return -EINVAL;
}
-static inline int rdma_user_mmap_page(struct ib_ucontext *ucontext,
- struct vm_area_struct *vma, struct page *page,
- unsigned long size)
-{
- return -EINVAL;
-}
#endif
static inline int ib_copy_from_udata(void *dest, struct ib_udata *udata, size_t len)
*/
static inline bool rdma_cap_opa_mad(struct ib_device *device, u8 port_num)
{
- return (device->port_data[port_num].immutable.core_cap_flags &
- RDMA_CORE_CAP_OPA_MAD) == RDMA_CORE_CAP_OPA_MAD;
+ return device->port_data[port_num].immutable.core_cap_flags &
+ RDMA_CORE_CAP_OPA_MAD;
}
/**
return rdma_protocol_iwarp(dev, port_num);
}
+/**
+ * rdma_find_pg_bit - Find page bit given address and HW supported page sizes
+ *
+ * @addr: address
+ * @pgsz_bitmap: bitmap of HW supported page sizes
+ */
+static inline unsigned int rdma_find_pg_bit(unsigned long addr,
+ unsigned long pgsz_bitmap)
+{
+ unsigned long align;
+ unsigned long pgsz;
+
+ align = addr & -addr;
+
+ /* Find page bit such that addr is aligned to the highest supported
+ * HW page size
+ */
+ pgsz = pgsz_bitmap & ~(-align << 1);
+ if (!pgsz)
+ return __ffs(pgsz_bitmap);
+
+ return __fls(pgsz);
+}
+
int ib_set_vf_link_state(struct ib_device *device, int vf, u8 port,
int state);
int ib_get_vf_config(struct ib_device *device, int vf, u8 port,
struct ib_pd *__ib_alloc_pd(struct ib_device *device, unsigned int flags,
const char *caller);
+
#define ib_alloc_pd(device, flags) \
__ib_alloc_pd((device), (flags), KBUILD_MODNAME)
-void ib_dealloc_pd(struct ib_pd *pd);
+
+/**
+ * ib_dealloc_pd_user - Deallocate kernel/user PD
+ * @pd: The protection domain
+ * @udata: Valid user data or NULL for kernel objects
+ */
+void ib_dealloc_pd_user(struct ib_pd *pd, struct ib_udata *udata);
+
+/**
+ * ib_dealloc_pd - Deallocate kernel PD
+ * @pd: The protection domain
+ *
+ * NOTE: for user PD use ib_dealloc_pd_user with valid udata!
+ */
+static inline void ib_dealloc_pd(struct ib_pd *pd)
+{
+ ib_dealloc_pd_user(pd, NULL);
+}
enum rdma_create_ah_flags {
/* In a sleepable context */
};
/**
- * rdma_destroy_ah - Destroys an address handle.
+ * rdma_destroy_ah_user - Destroys an address handle.
* @ah: The address handle to destroy.
* @flags: Destroy address handle flags (see enum rdma_destroy_ah_flags).
+ * @udata: Valid user data or NULL for kernel objects
*/
-int rdma_destroy_ah(struct ib_ah *ah, u32 flags);
+int rdma_destroy_ah_user(struct ib_ah *ah, u32 flags, struct ib_udata *udata);
+
+/**
+ * rdma_destroy_ah - Destroys an kernel address handle.
+ * @ah: The address handle to destroy.
+ * @flags: Destroy address handle flags (see enum rdma_destroy_ah_flags).
+ *
+ * NOTE: for user ah use rdma_destroy_ah_user with valid udata!
+ */
+static inline int rdma_destroy_ah(struct ib_ah *ah, u32 flags)
+{
+ return rdma_destroy_ah_user(ah, flags, NULL);
+}
/**
* ib_create_srq - Creates a SRQ associated with the specified protection
struct ib_srq_attr *srq_attr);
/**
- * ib_destroy_srq - Destroys the specified SRQ.
+ * ib_destroy_srq_user - Destroys the specified SRQ.
* @srq: The SRQ to destroy.
+ * @udata: Valid user data or NULL for kernel objects
*/
-int ib_destroy_srq(struct ib_srq *srq);
+int ib_destroy_srq_user(struct ib_srq *srq, struct ib_udata *udata);
+
+/**
+ * ib_destroy_srq - Destroys the specified kernel SRQ.
+ * @srq: The SRQ to destroy.
+ *
+ * NOTE: for user srq use ib_destroy_srq_user with valid udata!
+ */
+static inline int ib_destroy_srq(struct ib_srq *srq)
+{
+ return ib_destroy_srq_user(srq, NULL);
+}
/**
* ib_post_srq_recv - Posts a list of work requests to the specified SRQ.
}
/**
- * ib_create_qp - Creates a QP associated with the specified protection
+ * ib_create_qp_user - Creates a QP associated with the specified protection
* domain.
* @pd: The protection domain associated with the QP.
* @qp_init_attr: A list of initial attributes required to create the
* QP. If QP creation succeeds, then the attributes are updated to
* the actual capabilities of the created QP.
+ * @udata: Valid user data or NULL for kernel objects
*/
-struct ib_qp *ib_create_qp(struct ib_pd *pd,
- struct ib_qp_init_attr *qp_init_attr);
+struct ib_qp *ib_create_qp_user(struct ib_pd *pd,
+ struct ib_qp_init_attr *qp_init_attr,
+ struct ib_udata *udata);
+
+/**
+ * ib_create_qp - Creates a kernel QP associated with the specified protection
+ * domain.
+ * @pd: The protection domain associated with the QP.
+ * @qp_init_attr: A list of initial attributes required to create the
+ * QP. If QP creation succeeds, then the attributes are updated to
+ * the actual capabilities of the created QP.
+ * @udata: Valid user data or NULL for kernel objects
+ *
+ * NOTE: for user qp use ib_create_qp_user with valid udata!
+ */
+static inline struct ib_qp *ib_create_qp(struct ib_pd *pd,
+ struct ib_qp_init_attr *qp_init_attr)
+{
+ return ib_create_qp_user(pd, qp_init_attr, NULL);
+}
/**
* ib_modify_qp_with_udata - Modifies the attributes for the specified QP.
/**
* ib_destroy_qp - Destroys the specified QP.
* @qp: The QP to destroy.
+ * @udata: Valid udata or NULL for kernel objects
*/
-int ib_destroy_qp(struct ib_qp *qp);
+int ib_destroy_qp_user(struct ib_qp *qp, struct ib_udata *udata);
+
+/**
+ * ib_destroy_qp - Destroys the specified kernel QP.
+ * @qp: The QP to destroy.
+ *
+ * NOTE: for user qp use ib_destroy_qp_user with valid udata!
+ */
+static inline int ib_destroy_qp(struct ib_qp *qp)
+{
+ return ib_destroy_qp_user(qp, NULL);
+}
/**
* ib_open_qp - Obtain a reference to an existing sharable QP.
return qp->device->ops.post_recv(qp, recv_wr, bad_recv_wr ? : &dummy);
}
-struct ib_cq *__ib_alloc_cq(struct ib_device *dev, void *private,
- int nr_cqe, int comp_vector,
- enum ib_poll_context poll_ctx, const char *caller);
-#define ib_alloc_cq(device, priv, nr_cqe, comp_vect, poll_ctx) \
- __ib_alloc_cq((device), (priv), (nr_cqe), (comp_vect), (poll_ctx), KBUILD_MODNAME)
+struct ib_cq *__ib_alloc_cq_user(struct ib_device *dev, void *private,
+ int nr_cqe, int comp_vector,
+ enum ib_poll_context poll_ctx,
+ const char *caller, struct ib_udata *udata);
+
+/**
+ * ib_alloc_cq_user: Allocate kernel/user CQ
+ * @dev: The IB device
+ * @private: Private data attached to the CQE
+ * @nr_cqe: Number of CQEs in the CQ
+ * @comp_vector: Completion vector used for the IRQs
+ * @poll_ctx: Context used for polling the CQ
+ * @udata: Valid user data or NULL for kernel objects
+ */
+static inline struct ib_cq *ib_alloc_cq_user(struct ib_device *dev,
+ void *private, int nr_cqe,
+ int comp_vector,
+ enum ib_poll_context poll_ctx,
+ struct ib_udata *udata)
+{
+ return __ib_alloc_cq_user(dev, private, nr_cqe, comp_vector, poll_ctx,
+ KBUILD_MODNAME, udata);
+}
+
+/**
+ * ib_alloc_cq: Allocate kernel CQ
+ * @dev: The IB device
+ * @private: Private data attached to the CQE
+ * @nr_cqe: Number of CQEs in the CQ
+ * @comp_vector: Completion vector used for the IRQs
+ * @poll_ctx: Context used for polling the CQ
+ *
+ * NOTE: for user cq use ib_alloc_cq_user with valid udata!
+ */
+static inline struct ib_cq *ib_alloc_cq(struct ib_device *dev, void *private,
+ int nr_cqe, int comp_vector,
+ enum ib_poll_context poll_ctx)
+{
+ return ib_alloc_cq_user(dev, private, nr_cqe, comp_vector, poll_ctx,
+ NULL);
+}
+
+/**
+ * ib_free_cq_user - Free kernel/user CQ
+ * @cq: The CQ to free
+ * @udata: Valid user data or NULL for kernel objects
+ */
+void ib_free_cq_user(struct ib_cq *cq, struct ib_udata *udata);
+
+/**
+ * ib_free_cq - Free kernel CQ
+ * @cq: The CQ to free
+ *
+ * NOTE: for user cq use ib_free_cq_user with valid udata!
+ */
+static inline void ib_free_cq(struct ib_cq *cq)
+{
+ ib_free_cq_user(cq, NULL);
+}
-void ib_free_cq(struct ib_cq *cq);
int ib_process_cq_direct(struct ib_cq *cq, int budget);
/**
int rdma_set_cq_moderation(struct ib_cq *cq, u16 cq_count, u16 cq_period);
/**
- * ib_destroy_cq - Destroys the specified CQ.
+ * ib_destroy_cq_user - Destroys the specified CQ.
* @cq: The CQ to destroy.
+ * @udata: Valid user data or NULL for kernel objects
*/
-int ib_destroy_cq(struct ib_cq *cq);
+int ib_destroy_cq_user(struct ib_cq *cq, struct ib_udata *udata);
+
+/**
+ * ib_destroy_cq - Destroys the specified kernel CQ.
+ * @cq: The CQ to destroy.
+ *
+ * NOTE: for user cq use ib_destroy_cq_user with valid udata!
+ */
+static inline int ib_destroy_cq(struct ib_cq *cq)
+{
+ return ib_destroy_cq_user(cq, NULL);
+}
/**
* ib_poll_cq - poll a CQ for completion(s)
}
/**
- * ib_dereg_mr - Deregisters a memory region and removes it from the
+ * ib_dereg_mr_user - Deregisters a memory region and removes it from the
+ * HCA translation table.
+ * @mr: The memory region to deregister.
+ * @udata: Valid user data or NULL for kernel object
+ *
+ * This function can fail, if the memory region has memory windows bound to it.
+ */
+int ib_dereg_mr_user(struct ib_mr *mr, struct ib_udata *udata);
+
+/**
+ * ib_dereg_mr - Deregisters a kernel memory region and removes it from the
* HCA translation table.
* @mr: The memory region to deregister.
*
* This function can fail, if the memory region has memory windows bound to it.
+ *
+ * NOTE: for user mr use ib_dereg_mr_user with valid udata!
*/
-int ib_dereg_mr(struct ib_mr *mr);
+static inline int ib_dereg_mr(struct ib_mr *mr)
+{
+ return ib_dereg_mr_user(mr, NULL);
+}
+
+struct ib_mr *ib_alloc_mr_user(struct ib_pd *pd, enum ib_mr_type mr_type,
+ u32 max_num_sg, struct ib_udata *udata);
-struct ib_mr *ib_alloc_mr(struct ib_pd *pd,
- enum ib_mr_type mr_type,
- u32 max_num_sg);
+static inline struct ib_mr *ib_alloc_mr(struct ib_pd *pd,
+ enum ib_mr_type mr_type, u32 max_num_sg)
+{
+ return ib_alloc_mr_user(pd, mr_type, max_num_sg, NULL);
+}
/**
* ib_update_fast_reg_key - updates the key portion of the fast_reg MR
/**
* ib_dealloc_xrcd - Deallocates an XRC domain.
* @xrcd: The XRC domain to deallocate.
+ * @udata: Valid user data or NULL for kernel object
*/
-int ib_dealloc_xrcd(struct ib_xrcd *xrcd);
+int ib_dealloc_xrcd(struct ib_xrcd *xrcd, struct ib_udata *udata);
static inline int ib_check_mr_access(int flags)
{
struct ib_wq *ib_create_wq(struct ib_pd *pd,
struct ib_wq_init_attr *init_attr);
-int ib_destroy_wq(struct ib_wq *wq);
+int ib_destroy_wq(struct ib_wq *wq, struct ib_udata *udata);
int ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *attr,
u32 wq_attr_mask);
struct ib_rwq_ind_table *ib_create_rwq_ind_table(struct ib_device *device,
*/
static inline struct ib_device *rdma_device_to_ibdev(struct device *device)
{
- return container_of(device, struct ib_device, dev);
+ struct ib_core_device *coredev =
+ container_of(device, struct ib_core_device, dev);
+
+ return coredev->owner;
}
/**
*/
#define rdma_device_to_drv_device(dev, drv_dev_struct, ibdev_member) \
container_of(rdma_device_to_ibdev(dev), drv_dev_struct, ibdev_member)
+
+bool rdma_dev_access_netns(const struct ib_device *device,
+ const struct net *net);
#endif /* IB_VERBS_H */
IW_F_NO_PORT_MAP = (1 << 0),
};
-struct iw_cm_verbs {
- void (*add_ref)(struct ib_qp *qp);
-
- void (*rem_ref)(struct ib_qp *qp);
-
- struct ib_qp * (*get_qp)(struct ib_device *device,
- int qpn);
-
- int (*connect)(struct iw_cm_id *cm_id,
- struct iw_cm_conn_param *conn_param);
-
- int (*accept)(struct iw_cm_id *cm_id,
- struct iw_cm_conn_param *conn_param);
-
- int (*reject)(struct iw_cm_id *cm_id,
- const void *pdata, u8 pdata_len);
-
- int (*create_listen)(struct iw_cm_id *cm_id,
- int backlog);
-
- int (*destroy_listen)(struct iw_cm_id *cm_id);
- char ifname[IFNAMSIZ];
- enum iw_flags driver_flags;
-};
-
/**
* iw_create_cm_id - Create an IW CM identifier.
*
u8 local_port_num;
u8 reserved12;
u8 reserved13; /* was guid_cap */
-} __attribute__ ((packed));
+} __packed;
#endif /* OPA_PORT_INFO_H */
struct opa_node_description {
u8 data[64];
-} __attribute__ ((packed));
+} __packed;
struct opa_node_info {
u8 base_version;
__be32 revision;
u8 local_port_num;
u8 vendor_id[3]; /* network byte order */
-} __attribute__ ((packed));
+} __packed;
#define OPA_PARTITION_TABLE_BLK_SIZE 32
#include <rdma/ib_verbs.h>
#include <rdma/ib_mad.h>
#include <rdma/rdmavt_mr.h>
-#include <rdma/rdmavt_qp.h>
#define RVT_MAX_PKEY_VALUES 16
struct list_head list;
};
+struct rvt_qp;
+struct rvt_qpn_table;
struct rvt_ibport {
struct rvt_qp __rcu *qp[2];
struct ib_mad_agent *send_agent; /* agent for SMI (traps) */
u8 log_pmtu;
};
+/*
+ * This structure is used by rvt_mmap() to validate an offset
+ * when an mmap() request is made. The vm_area_struct then uses
+ * this as its vm_private_data.
+ */
+struct rvt_mmap_info {
+ struct list_head pending_mmaps;
+ struct ib_ucontext *context;
+ void *obj;
+ __u64 offset;
+ struct kref ref;
+ u32 size;
+};
+
/* memory working set size */
struct rvt_wss {
unsigned long *entries;
return container_of(ibdev, struct rvt_dev_info, ibdev);
}
-static inline struct rvt_srq *ibsrq_to_rvtsrq(struct ib_srq *ibsrq)
-{
- return container_of(ibsrq, struct rvt_srq, ibsrq);
-}
-
-static inline struct rvt_qp *ibqp_to_rvtqp(struct ib_qp *ibqp)
-{
- return container_of(ibqp, struct rvt_qp, ibqp);
-}
-
static inline unsigned rvt_get_npkeys(struct rvt_dev_info *rdi)
{
/*
return rdi->ports[port_index]->pkey_table[index];
}
-/**
- * rvt_lookup_qpn - return the QP with the given QPN
- * @ibp: the ibport
- * @qpn: the QP number to look up
- *
- * The caller must hold the rcu_read_lock(), and keep the lock until
- * the returned qp is no longer in use.
- */
-/* TODO: Remove this and put in rdmavt/qp.h when no longer needed by drivers */
-static inline struct rvt_qp *rvt_lookup_qpn(struct rvt_dev_info *rdi,
- struct rvt_ibport *rvp,
- u32 qpn) __must_hold(RCU)
-{
- struct rvt_qp *qp = NULL;
-
- if (unlikely(qpn <= 1)) {
- qp = rcu_dereference(rvp->qp[qpn]);
- } else {
- u32 n = hash_32(qpn, rdi->qp_dev->qp_table_bits);
-
- for (qp = rcu_dereference(rdi->qp_dev->qp_table[n]); qp;
- qp = rcu_dereference(qp->next))
- if (qp->ibqp.qp_num == qpn)
- break;
- }
- return qp;
-}
-
-/**
- * rvt_mod_retry_timer - mod a retry timer
- * @qp - the QP
- * @shift - timeout shift to wait for multiple packets
- * Modify a potentially already running retry timer
- */
-static inline void rvt_mod_retry_timer_ext(struct rvt_qp *qp, u8 shift)
-{
- struct ib_qp *ibqp = &qp->ibqp;
- struct rvt_dev_info *rdi = ib_to_rvt(ibqp->device);
-
- lockdep_assert_held(&qp->s_lock);
- qp->s_flags |= RVT_S_TIMER;
- /* 4.096 usec. * (1 << qp->timeout) */
- mod_timer(&qp->s_timer, jiffies + rdi->busy_jiffies +
- (qp->timeout_jiffies << shift));
-}
-
-static inline void rvt_mod_retry_timer(struct rvt_qp *qp)
-{
- return rvt_mod_retry_timer_ext(qp, 0);
-}
-
struct rvt_dev_info *rvt_alloc_device(size_t size, int nports);
void rvt_dealloc_device(struct rvt_dev_info *rdi);
int rvt_register_device(struct rvt_dev_info *rvd, u32 driver_id);
* RVT_S_WAIT_DMA - waiting for send DMA queue to drain before generating
* next send completion entry not via send DMA
* RVT_S_WAIT_PIO - waiting for a send buffer to be available
- * RVT_S_WAIT_PIO_DRAIN - waiting for a qp to drain pio packets
* RVT_S_WAIT_TX - waiting for a struct verbs_txreq to be available
* RVT_S_WAIT_DMA_DESC - waiting for DMA descriptors to be available
* RVT_S_WAIT_KMEM - waiting for kernel memory to be available
spinlock_t lock ____cacheline_aligned_in_smp;
};
-/*
- * This structure is used by rvt_mmap() to validate an offset
- * when an mmap() request is made. The vm_area_struct then uses
- * this as its vm_private_data.
- */
-struct rvt_mmap_info {
- struct list_head pending_mmaps;
- struct ib_ucontext *context;
- void *obj;
- __u64 offset;
- struct kref ref;
- unsigned size;
-};
-
/*
* This structure holds the information that the send tasklet needs
* to send a RDMA read response or atomic operation.
u32 limit;
};
+static inline struct rvt_srq *ibsrq_to_rvtsrq(struct ib_srq *ibsrq)
+{
+ return container_of(ibsrq, struct rvt_srq, ibsrq);
+}
+
+static inline struct rvt_qp *ibqp_to_rvtqp(struct ib_qp *ibqp)
+{
+ return container_of(ibqp, struct rvt_qp, ibqp);
+}
+
#define RVT_QPN_MAX BIT(24)
#define RVT_QPNMAP_ENTRIES (RVT_QPN_MAX / PAGE_SIZE / BITS_PER_BYTE)
#define RVT_BITS_PER_PAGE (PAGE_SIZE * BITS_PER_BYTE)
return usecs_to_jiffies(1U << timeout) * 4096UL / 1000UL;
}
+/**
+ * rvt_lookup_qpn - return the QP with the given QPN
+ * @ibp: the ibport
+ * @qpn: the QP number to look up
+ *
+ * The caller must hold the rcu_read_lock(), and keep the lock until
+ * the returned qp is no longer in use.
+ */
+static inline struct rvt_qp *rvt_lookup_qpn(struct rvt_dev_info *rdi,
+ struct rvt_ibport *rvp,
+ u32 qpn) __must_hold(RCU)
+{
+ struct rvt_qp *qp = NULL;
+
+ if (unlikely(qpn <= 1)) {
+ qp = rcu_dereference(rvp->qp[qpn]);
+ } else {
+ u32 n = hash_32(qpn, rdi->qp_dev->qp_table_bits);
+
+ for (qp = rcu_dereference(rdi->qp_dev->qp_table[n]); qp;
+ qp = rcu_dereference(qp->next))
+ if (qp->ibqp.qp_num == qpn)
+ break;
+ }
+ return qp;
+}
+
+/**
+ * rvt_mod_retry_timer - mod a retry timer
+ * @qp - the QP
+ * @shift - timeout shift to wait for multiple packets
+ * Modify a potentially already running retry timer
+ */
+static inline void rvt_mod_retry_timer_ext(struct rvt_qp *qp, u8 shift)
+{
+ struct ib_qp *ibqp = &qp->ibqp;
+ struct rvt_dev_info *rdi = ib_to_rvt(ibqp->device);
+
+ lockdep_assert_held(&qp->s_lock);
+ qp->s_flags |= RVT_S_TIMER;
+ /* 4.096 usec. * (1 << qp->timeout) */
+ mod_timer(&qp->s_timer, jiffies + rdi->busy_jiffies +
+ (qp->timeout_jiffies << shift));
+}
+
+static inline void rvt_mod_retry_timer(struct rvt_qp *qp)
+{
+ return rvt_mod_retry_timer_ext(qp, 0);
+}
+
+/**
+ * rvt_put_qp_swqe - drop refs held by swqe
+ * @qp: the send qp
+ * @wqe: the send wqe
+ *
+ * This drops any references held by the swqe
+ */
+static inline void rvt_put_qp_swqe(struct rvt_qp *qp, struct rvt_swqe *wqe)
+{
+ rvt_put_swqe(wqe);
+ if (qp->allowed_ops == IB_OPCODE_UD)
+ atomic_dec(&ibah_to_rvtah(wqe->ud_wr.ah)->refcount);
+}
+
extern const int ib_rvt_state_ops[];
struct rvt_dev_info;
#define uobj_get_type(_attrs, _object) \
uapi_get_object((_attrs)->ufile->device->uapi, _object)
-struct ib_uobject *_uobj_get_read(enum uverbs_default_objects type,
- u32 object_id,
- struct uverbs_attr_bundle *attrs);
-
#define uobj_get_read(_type, _id, _attrs) \
- _uobj_get_read(_type, _uobj_check_id(_id), _attrs)
+ rdma_lookup_get_uobject(uobj_get_type(_attrs, _type), (_attrs)->ufile, \
+ _uobj_check_id(_id), UVERBS_LOOKUP_READ, \
+ _attrs)
#define ufd_get_read(_type, _fdnum, _attrs) \
rdma_lookup_get_uobject(uobj_get_type(_attrs, _type), (_attrs)->ufile, \
(_fdnum)*typecheck(s32, _fdnum), \
- UVERBS_LOOKUP_READ)
+ UVERBS_LOOKUP_READ, _attrs)
static inline void *_uobj_get_obj_read(struct ib_uobject *uobj)
{
((struct ib_##_object *)_uobj_get_obj_read( \
uobj_get_read(_type, _id, _attrs)))
-struct ib_uobject *_uobj_get_write(enum uverbs_default_objects type,
- u32 object_id,
- struct uverbs_attr_bundle *attrs);
-
#define uobj_get_write(_type, _id, _attrs) \
- _uobj_get_write(_type, _uobj_check_id(_id), _attrs)
+ rdma_lookup_get_uobject(uobj_get_type(_attrs, _type), (_attrs)->ufile, \
+ _uobj_check_id(_id), UVERBS_LOOKUP_WRITE, \
+ _attrs)
int __uobj_perform_destroy(const struct uverbs_api_object *obj, u32 id,
- const struct uverbs_attr_bundle *attrs);
+ struct uverbs_attr_bundle *attrs);
#define uobj_perform_destroy(_type, _id, _attrs) \
__uobj_perform_destroy(uobj_get_type(_attrs, _type), \
_uobj_check_id(_id), _attrs)
struct ib_uobject *__uobj_get_destroy(const struct uverbs_api_object *obj,
- u32 id,
- const struct uverbs_attr_bundle *attrs);
+ u32 id, struct uverbs_attr_bundle *attrs);
#define uobj_get_destroy(_type, _id, _attrs) \
__uobj_get_destroy(uobj_get_type(_attrs, _type), _uobj_check_id(_id), \
rdma_lookup_put_uobject(uobj, UVERBS_LOOKUP_WRITE);
}
-static inline int __must_check uobj_alloc_commit(struct ib_uobject *uobj)
+static inline int __must_check
+uobj_alloc_commit(struct ib_uobject *uobj, struct uverbs_attr_bundle *attrs)
{
- int ret = rdma_alloc_commit_uobject(uobj);
+ int ret = rdma_alloc_commit_uobject(uobj, attrs);
if (ret)
return ret;
return 0;
}
-static inline void uobj_alloc_abort(struct ib_uobject *uobj)
+static inline void uobj_alloc_abort(struct ib_uobject *uobj,
+ struct uverbs_attr_bundle *attrs)
{
- rdma_alloc_abort_uobject(uobj);
+ rdma_alloc_abort_uobject(uobj, attrs);
}
static inline struct ib_uobject *
__uobj_alloc(const struct uverbs_api_object *obj,
struct uverbs_attr_bundle *attrs, struct ib_device **ib_dev)
{
- struct ib_uobject *uobj = rdma_alloc_begin_uobject(obj, attrs->ufile);
+ struct ib_uobject *uobj =
+ rdma_alloc_begin_uobject(obj, attrs->ufile, attrs);
- if (!IS_ERR(uobj)) {
- *ib_dev = uobj->context->device;
- attrs->context = uobj->context;
- }
+ if (!IS_ERR(uobj))
+ *ib_dev = attrs->context->device;
return uobj;
}
void (*lookup_put)(struct ib_uobject *uobj, enum rdma_lookup_mode mode);
/* This does not consume the kref on uobj */
int __must_check (*destroy_hw)(struct ib_uobject *uobj,
- enum rdma_remove_reason why);
+ enum rdma_remove_reason why,
+ struct uverbs_attr_bundle *attrs);
void (*remove_handle)(struct ib_uobject *uobj);
u8 needs_kfree_rcu;
};
* completely unchanged.
*/
int __must_check (*destroy_object)(struct ib_uobject *uobj,
- enum rdma_remove_reason why);
+ enum rdma_remove_reason why,
+ struct uverbs_attr_bundle *attrs);
};
struct ib_uobject *rdma_lookup_get_uobject(const struct uverbs_api_object *obj,
struct ib_uverbs_file *ufile, s64 id,
- enum rdma_lookup_mode mode);
+ enum rdma_lookup_mode mode,
+ struct uverbs_attr_bundle *attrs);
void rdma_lookup_put_uobject(struct ib_uobject *uobj,
enum rdma_lookup_mode mode);
struct ib_uobject *rdma_alloc_begin_uobject(const struct uverbs_api_object *obj,
- struct ib_uverbs_file *ufile);
-void rdma_alloc_abort_uobject(struct ib_uobject *uobj);
-int __must_check rdma_alloc_commit_uobject(struct ib_uobject *uobj);
+ struct ib_uverbs_file *ufile,
+ struct uverbs_attr_bundle *attrs);
+void rdma_alloc_abort_uobject(struct ib_uobject *uobj,
+ struct uverbs_attr_bundle *attrs);
+int __must_check rdma_alloc_commit_uobject(struct ib_uobject *uobj,
+ struct uverbs_attr_bundle *attrs);
struct uverbs_obj_fd_type {
/*
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
+
+/*
+ * Copyright (c) 2018 Intel Corporation. All rights reserved.
+ */
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM ib_mad
+
+#if !defined(_TRACE_IB_MAD_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_IB_MAD_H
+
+#include <linux/tracepoint.h>
+#include <rdma/ib_mad.h>
+
+#ifdef CONFIG_TRACEPOINTS
+struct trace_event_raw_ib_mad_send_template;
+static void create_mad_addr_info(struct ib_mad_send_wr_private *mad_send_wr,
+ struct ib_mad_qp_info *qp_info,
+ struct trace_event_raw_ib_mad_send_template *entry);
+#endif
+
+DECLARE_EVENT_CLASS(ib_mad_send_template,
+ TP_PROTO(struct ib_mad_send_wr_private *wr,
+ struct ib_mad_qp_info *qp_info),
+ TP_ARGS(wr, qp_info),
+
+ TP_STRUCT__entry(
+ __field(u8, base_version)
+ __field(u8, mgmt_class)
+ __field(u8, class_version)
+ __field(u8, port_num)
+ __field(u32, qp_num)
+ __field(u8, method)
+ __field(u8, sl)
+ __field(u16, attr_id)
+ __field(u32, attr_mod)
+ __field(u64, wrtid)
+ __field(u64, tid)
+ __field(u16, status)
+ __field(u16, class_specific)
+ __field(u32, length)
+ __field(u32, dlid)
+ __field(u32, rqpn)
+ __field(u32, rqkey)
+ __field(u32, dev_index)
+ __field(void *, agent_priv)
+ __field(unsigned long, timeout)
+ __field(int, retries_left)
+ __field(int, max_retries)
+ __field(int, retry)
+ __field(u16, pkey)
+ ),
+
+ TP_fast_assign(
+ __entry->dev_index = wr->mad_agent_priv->agent.device->index;
+ __entry->port_num = wr->mad_agent_priv->agent.port_num;
+ __entry->qp_num = wr->mad_agent_priv->qp_info->qp->qp_num;
+ __entry->agent_priv = wr->mad_agent_priv;
+ __entry->wrtid = wr->tid;
+ __entry->max_retries = wr->max_retries;
+ __entry->retries_left = wr->retries_left;
+ __entry->retry = wr->retry;
+ __entry->timeout = wr->timeout;
+ __entry->length = wr->send_buf.hdr_len +
+ wr->send_buf.data_len;
+ __entry->base_version =
+ ((struct ib_mad_hdr *)wr->send_buf.mad)->base_version;
+ __entry->mgmt_class =
+ ((struct ib_mad_hdr *)wr->send_buf.mad)->mgmt_class;
+ __entry->class_version =
+ ((struct ib_mad_hdr *)wr->send_buf.mad)->class_version;
+ __entry->method =
+ ((struct ib_mad_hdr *)wr->send_buf.mad)->method;
+ __entry->status =
+ ((struct ib_mad_hdr *)wr->send_buf.mad)->status;
+ __entry->class_specific =
+ ((struct ib_mad_hdr *)wr->send_buf.mad)->class_specific;
+ __entry->tid = ((struct ib_mad_hdr *)wr->send_buf.mad)->tid;
+ __entry->attr_id =
+ ((struct ib_mad_hdr *)wr->send_buf.mad)->attr_id;
+ __entry->attr_mod =
+ ((struct ib_mad_hdr *)wr->send_buf.mad)->attr_mod;
+ create_mad_addr_info(wr, qp_info, __entry);
+ ),
+
+ TP_printk("%d:%d QP%d agent %p: " \
+ "wrtid 0x%llx; %d/%d retries(%d); timeout %lu length %d : " \
+ "hdr : base_ver 0x%x class 0x%x class_ver 0x%x " \
+ "method 0x%x status 0x%x class_specific 0x%x tid 0x%llx " \
+ "attr_id 0x%x attr_mod 0x%x => dlid 0x%08x sl %d "\
+ "pkey 0x%x rpqn 0x%x rqpkey 0x%x",
+ __entry->dev_index, __entry->port_num, __entry->qp_num,
+ __entry->agent_priv, be64_to_cpu(__entry->wrtid),
+ __entry->retries_left, __entry->max_retries,
+ __entry->retry, __entry->timeout, __entry->length,
+ __entry->base_version, __entry->mgmt_class,
+ __entry->class_version,
+ __entry->method, be16_to_cpu(__entry->status),
+ be16_to_cpu(__entry->class_specific),
+ be64_to_cpu(__entry->tid), be16_to_cpu(__entry->attr_id),
+ be32_to_cpu(__entry->attr_mod),
+ be32_to_cpu(__entry->dlid), __entry->sl, __entry->pkey,
+ __entry->rqpn, __entry->rqkey
+ )
+);
+
+DEFINE_EVENT(ib_mad_send_template, ib_mad_error_handler,
+ TP_PROTO(struct ib_mad_send_wr_private *wr,
+ struct ib_mad_qp_info *qp_info),
+ TP_ARGS(wr, qp_info));
+DEFINE_EVENT(ib_mad_send_template, ib_mad_ib_send_mad,
+ TP_PROTO(struct ib_mad_send_wr_private *wr,
+ struct ib_mad_qp_info *qp_info),
+ TP_ARGS(wr, qp_info));
+DEFINE_EVENT(ib_mad_send_template, ib_mad_send_done_resend,
+ TP_PROTO(struct ib_mad_send_wr_private *wr,
+ struct ib_mad_qp_info *qp_info),
+ TP_ARGS(wr, qp_info));
+
+TRACE_EVENT(ib_mad_send_done_handler,
+ TP_PROTO(struct ib_mad_send_wr_private *wr, struct ib_wc *wc),
+ TP_ARGS(wr, wc),
+
+ TP_STRUCT__entry(
+ __field(u8, port_num)
+ __field(u8, base_version)
+ __field(u8, mgmt_class)
+ __field(u8, class_version)
+ __field(u32, qp_num)
+ __field(u64, wrtid)
+ __field(u16, status)
+ __field(u16, wc_status)
+ __field(u32, length)
+ __field(void *, agent_priv)
+ __field(unsigned long, timeout)
+ __field(u32, dev_index)
+ __field(int, retries_left)
+ __field(int, max_retries)
+ __field(int, retry)
+ __field(u8, method)
+ ),
+
+ TP_fast_assign(
+ __entry->dev_index = wr->mad_agent_priv->agent.device->index;
+ __entry->port_num = wr->mad_agent_priv->agent.port_num;
+ __entry->qp_num = wr->mad_agent_priv->qp_info->qp->qp_num;
+ __entry->agent_priv = wr->mad_agent_priv;
+ __entry->wrtid = wr->tid;
+ __entry->max_retries = wr->max_retries;
+ __entry->retries_left = wr->retries_left;
+ __entry->retry = wr->retry;
+ __entry->timeout = wr->timeout;
+ __entry->base_version =
+ ((struct ib_mad_hdr *)wr->send_buf.mad)->base_version;
+ __entry->mgmt_class =
+ ((struct ib_mad_hdr *)wr->send_buf.mad)->mgmt_class;
+ __entry->class_version =
+ ((struct ib_mad_hdr *)wr->send_buf.mad)->class_version;
+ __entry->method =
+ ((struct ib_mad_hdr *)wr->send_buf.mad)->method;
+ __entry->status =
+ ((struct ib_mad_hdr *)wr->send_buf.mad)->status;
+ __entry->wc_status = wc->status;
+ __entry->length = wc->byte_len;
+ ),
+
+ TP_printk("%d:%d QP%d : SEND WC Status %d : agent %p: " \
+ "wrtid 0x%llx %d/%d retries(%d) timeout %lu length %d: " \
+ "hdr : base_ver 0x%x class 0x%x class_ver 0x%x " \
+ "method 0x%x status 0x%x",
+ __entry->dev_index, __entry->port_num, __entry->qp_num,
+ __entry->wc_status,
+ __entry->agent_priv, be64_to_cpu(__entry->wrtid),
+ __entry->retries_left, __entry->max_retries,
+ __entry->retry, __entry->timeout,
+ __entry->length,
+ __entry->base_version, __entry->mgmt_class,
+ __entry->class_version, __entry->method,
+ be16_to_cpu(__entry->status)
+ )
+);
+
+TRACE_EVENT(ib_mad_recv_done_handler,
+ TP_PROTO(struct ib_mad_qp_info *qp_info, struct ib_wc *wc,
+ struct ib_mad_hdr *mad_hdr),
+ TP_ARGS(qp_info, wc, mad_hdr),
+
+ TP_STRUCT__entry(
+ __field(u8, base_version)
+ __field(u8, mgmt_class)
+ __field(u8, class_version)
+ __field(u8, port_num)
+ __field(u32, qp_num)
+ __field(u16, status)
+ __field(u16, class_specific)
+ __field(u32, length)
+ __field(u64, tid)
+ __field(u8, method)
+ __field(u8, sl)
+ __field(u16, attr_id)
+ __field(u32, attr_mod)
+ __field(u16, src_qp)
+ __field(u16, wc_status)
+ __field(u32, slid)
+ __field(u32, dev_index)
+ __field(u16, pkey)
+ ),
+
+ TP_fast_assign(
+ __entry->dev_index = qp_info->port_priv->device->index;
+ __entry->port_num = qp_info->port_priv->port_num;
+ __entry->qp_num = qp_info->qp->qp_num;
+ __entry->length = wc->byte_len;
+ __entry->base_version = mad_hdr->base_version;
+ __entry->mgmt_class = mad_hdr->mgmt_class;
+ __entry->class_version = mad_hdr->class_version;
+ __entry->method = mad_hdr->method;
+ __entry->status = mad_hdr->status;
+ __entry->class_specific = mad_hdr->class_specific;
+ __entry->tid = mad_hdr->tid;
+ __entry->attr_id = mad_hdr->attr_id;
+ __entry->attr_mod = mad_hdr->attr_mod;
+ __entry->slid = wc->slid;
+ __entry->src_qp = wc->src_qp;
+ __entry->sl = wc->sl;
+ ib_query_pkey(qp_info->port_priv->device,
+ qp_info->port_priv->port_num,
+ wc->pkey_index, &__entry->pkey);
+ __entry->wc_status = wc->status;
+ ),
+
+ TP_printk("%d:%d QP%d : RECV WC Status %d : length %d : hdr : " \
+ "base_ver 0x%02x class 0x%02x class_ver 0x%02x " \
+ "method 0x%02x status 0x%04x class_specific 0x%04x " \
+ "tid 0x%016llx attr_id 0x%04x attr_mod 0x%08x " \
+ "slid 0x%08x src QP%d, sl %d pkey 0x%04x",
+ __entry->dev_index, __entry->port_num, __entry->qp_num,
+ __entry->wc_status,
+ __entry->length,
+ __entry->base_version, __entry->mgmt_class,
+ __entry->class_version, __entry->method,
+ be16_to_cpu(__entry->status),
+ be16_to_cpu(__entry->class_specific),
+ be64_to_cpu(__entry->tid), be16_to_cpu(__entry->attr_id),
+ be32_to_cpu(__entry->attr_mod),
+ __entry->slid, __entry->src_qp, __entry->sl, __entry->pkey
+ )
+);
+
+DECLARE_EVENT_CLASS(ib_mad_agent_template,
+ TP_PROTO(struct ib_mad_agent_private *agent),
+ TP_ARGS(agent),
+
+ TP_STRUCT__entry(
+ __field(u32, dev_index)
+ __field(u32, hi_tid)
+ __field(u8, port_num)
+ __field(u8, mgmt_class)
+ __field(u8, mgmt_class_version)
+ ),
+
+ TP_fast_assign(
+ __entry->dev_index = agent->agent.device->index;
+ __entry->port_num = agent->agent.port_num;
+ __entry->hi_tid = agent->agent.hi_tid;
+
+ if (agent->reg_req) {
+ __entry->mgmt_class = agent->reg_req->mgmt_class;
+ __entry->mgmt_class_version =
+ agent->reg_req->mgmt_class_version;
+ } else {
+ __entry->mgmt_class = 0;
+ __entry->mgmt_class_version = 0;
+ }
+ ),
+
+ TP_printk("%d:%d mad agent : hi_tid 0x%08x class 0x%02x class_ver 0x%02x",
+ __entry->dev_index, __entry->port_num,
+ __entry->hi_tid, __entry->mgmt_class,
+ __entry->mgmt_class_version
+ )
+);
+DEFINE_EVENT(ib_mad_agent_template, ib_mad_recv_done_agent,
+ TP_PROTO(struct ib_mad_agent_private *agent),
+ TP_ARGS(agent));
+DEFINE_EVENT(ib_mad_agent_template, ib_mad_send_done_agent,
+ TP_PROTO(struct ib_mad_agent_private *agent),
+ TP_ARGS(agent));
+DEFINE_EVENT(ib_mad_agent_template, ib_mad_create_agent,
+ TP_PROTO(struct ib_mad_agent_private *agent),
+ TP_ARGS(agent));
+DEFINE_EVENT(ib_mad_agent_template, ib_mad_unregister_agent,
+ TP_PROTO(struct ib_mad_agent_private *agent),
+ TP_ARGS(agent));
+
+
+
+DECLARE_EVENT_CLASS(ib_mad_opa_smi_template,
+ TP_PROTO(struct opa_smp *smp),
+ TP_ARGS(smp),
+
+ TP_STRUCT__entry(
+ __field(u64, mkey)
+ __field(u32, dr_slid)
+ __field(u32, dr_dlid)
+ __field(u8, hop_ptr)
+ __field(u8, hop_cnt)
+ __array(u8, initial_path, OPA_SMP_MAX_PATH_HOPS)
+ __array(u8, return_path, OPA_SMP_MAX_PATH_HOPS)
+ ),
+
+ TP_fast_assign(
+ __entry->hop_ptr = smp->hop_ptr;
+ __entry->hop_cnt = smp->hop_cnt;
+ __entry->mkey = smp->mkey;
+ __entry->dr_slid = smp->route.dr.dr_slid;
+ __entry->dr_dlid = smp->route.dr.dr_dlid;
+ memcpy(__entry->initial_path, smp->route.dr.initial_path,
+ OPA_SMP_MAX_PATH_HOPS);
+ memcpy(__entry->return_path, smp->route.dr.return_path,
+ OPA_SMP_MAX_PATH_HOPS);
+ ),
+
+ TP_printk("OPA SMP: hop_ptr %d hop_cnt %d " \
+ "mkey 0x%016llx dr_slid 0x%08x dr_dlid 0x%08x " \
+ "initial_path %*ph return_path %*ph ",
+ __entry->hop_ptr, __entry->hop_cnt,
+ be64_to_cpu(__entry->mkey), be32_to_cpu(__entry->dr_slid),
+ be32_to_cpu(__entry->dr_dlid),
+ OPA_SMP_MAX_PATH_HOPS, __entry->initial_path,
+ OPA_SMP_MAX_PATH_HOPS, __entry->return_path
+ )
+);
+
+DEFINE_EVENT(ib_mad_opa_smi_template, ib_mad_handle_opa_smi,
+ TP_PROTO(struct opa_smp *smp),
+ TP_ARGS(smp));
+DEFINE_EVENT(ib_mad_opa_smi_template, ib_mad_handle_out_opa_smi,
+ TP_PROTO(struct opa_smp *smp),
+ TP_ARGS(smp));
+
+
+DECLARE_EVENT_CLASS(ib_mad_opa_ib_template,
+ TP_PROTO(struct ib_smp *smp),
+ TP_ARGS(smp),
+
+ TP_STRUCT__entry(
+ __field(u64, mkey)
+ __field(u32, dr_slid)
+ __field(u32, dr_dlid)
+ __field(u8, hop_ptr)
+ __field(u8, hop_cnt)
+ __array(u8, initial_path, IB_SMP_MAX_PATH_HOPS)
+ __array(u8, return_path, IB_SMP_MAX_PATH_HOPS)
+ ),
+
+ TP_fast_assign(
+ __entry->hop_ptr = smp->hop_ptr;
+ __entry->hop_cnt = smp->hop_cnt;
+ __entry->mkey = smp->mkey;
+ __entry->dr_slid = smp->dr_slid;
+ __entry->dr_dlid = smp->dr_dlid;
+ memcpy(__entry->initial_path, smp->initial_path,
+ IB_SMP_MAX_PATH_HOPS);
+ memcpy(__entry->return_path, smp->return_path,
+ IB_SMP_MAX_PATH_HOPS);
+ ),
+
+ TP_printk("OPA SMP: hop_ptr %d hop_cnt %d " \
+ "mkey 0x%016llx dr_slid 0x%04x dr_dlid 0x%04x " \
+ "initial_path %*ph return_path %*ph ",
+ __entry->hop_ptr, __entry->hop_cnt,
+ be64_to_cpu(__entry->mkey), be16_to_cpu(__entry->dr_slid),
+ be16_to_cpu(__entry->dr_dlid),
+ IB_SMP_MAX_PATH_HOPS, __entry->initial_path,
+ IB_SMP_MAX_PATH_HOPS, __entry->return_path
+ )
+);
+
+DEFINE_EVENT(ib_mad_opa_ib_template, ib_mad_handle_ib_smi,
+ TP_PROTO(struct ib_smp *smp),
+ TP_ARGS(smp));
+DEFINE_EVENT(ib_mad_opa_ib_template, ib_mad_handle_out_ib_smi,
+ TP_PROTO(struct ib_smp *smp),
+ TP_ARGS(smp));
+
+#endif /* _TRACE_IB_MAD_H */
+
+#include <trace/define_trace.h>
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
+
+/*
+ * Copyright (c) 2018 Intel Corporation. All rights reserved.
+ *
+ */
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM ib_umad
+
+#if !defined(_TRACE_IB_UMAD_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_IB_UMAD_H
+
+#include <linux/tracepoint.h>
+
+DECLARE_EVENT_CLASS(ib_umad_template,
+ TP_PROTO(struct ib_umad_file *file, struct ib_user_mad_hdr *umad_hdr,
+ struct ib_mad_hdr *mad_hdr),
+ TP_ARGS(file, umad_hdr, mad_hdr),
+
+ TP_STRUCT__entry(
+ __field(u8, port_num)
+ __field(u8, sl)
+ __field(u8, path_bits)
+ __field(u8, grh_present)
+ __field(u32, id)
+ __field(u32, status)
+ __field(u32, timeout_ms)
+ __field(u32, retires)
+ __field(u32, length)
+ __field(u32, qpn)
+ __field(u32, qkey)
+ __field(u8, gid_index)
+ __field(u8, hop_limit)
+ __field(u16, lid)
+ __field(u16, attr_id)
+ __field(u16, pkey_index)
+ __field(u8, base_version)
+ __field(u8, mgmt_class)
+ __field(u8, class_version)
+ __field(u8, method)
+ __field(u32, flow_label)
+ __field(u16, mad_status)
+ __field(u16, class_specific)
+ __field(u32, attr_mod)
+ __field(u64, tid)
+ __array(u8, gid, 16)
+ __field(u32, dev_index)
+ __field(u8, traffic_class)
+ ),
+
+ TP_fast_assign(
+ __entry->dev_index = file->port->ib_dev->index;
+ __entry->port_num = file->port->port_num;
+
+ __entry->id = umad_hdr->id;
+ __entry->status = umad_hdr->status;
+ __entry->timeout_ms = umad_hdr->timeout_ms;
+ __entry->retires = umad_hdr->retries;
+ __entry->length = umad_hdr->length;
+ __entry->qpn = umad_hdr->qpn;
+ __entry->qkey = umad_hdr->qkey;
+ __entry->lid = umad_hdr->lid;
+ __entry->sl = umad_hdr->sl;
+ __entry->path_bits = umad_hdr->path_bits;
+ __entry->grh_present = umad_hdr->grh_present;
+ __entry->gid_index = umad_hdr->gid_index;
+ __entry->hop_limit = umad_hdr->hop_limit;
+ __entry->traffic_class = umad_hdr->traffic_class;
+ memcpy(__entry->gid, umad_hdr->gid, sizeof(umad_hdr->gid));
+ __entry->flow_label = umad_hdr->flow_label;
+ __entry->pkey_index = umad_hdr->pkey_index;
+
+ __entry->base_version = mad_hdr->base_version;
+ __entry->mgmt_class = mad_hdr->mgmt_class;
+ __entry->class_version = mad_hdr->class_version;
+ __entry->method = mad_hdr->method;
+ __entry->mad_status = mad_hdr->status;
+ __entry->class_specific = mad_hdr->class_specific;
+ __entry->tid = mad_hdr->tid;
+ __entry->attr_id = mad_hdr->attr_id;
+ __entry->attr_mod = mad_hdr->attr_mod;
+ ),
+
+ TP_printk("%d:%d umad_hdr: id 0x%08x status 0x%08x ms %u ret %u " \
+ "len %u QP%u qkey 0x%08x lid 0x%04x sl %u path_bits 0x%x " \
+ "grh 0x%x gidi %u hop_lim %u traf_cl %u gid %pI6c " \
+ "flow 0x%08x pkeyi %u MAD: base_ver 0x%x class 0x%x " \
+ "class_ver 0x%x method 0x%x status 0x%04x " \
+ "class_specific 0x%04x tid 0x%016llx attr_id 0x%04x " \
+ "attr_mod 0x%08x ",
+ __entry->dev_index, __entry->port_num,
+ __entry->id, __entry->status, __entry->timeout_ms,
+ __entry->retires, __entry->length, be32_to_cpu(__entry->qpn),
+ be32_to_cpu(__entry->qkey), be16_to_cpu(__entry->lid),
+ __entry->sl, __entry->path_bits, __entry->grh_present,
+ __entry->gid_index, __entry->hop_limit,
+ __entry->traffic_class, &__entry->gid,
+ be32_to_cpu(__entry->flow_label), __entry->pkey_index,
+ __entry->base_version, __entry->mgmt_class,
+ __entry->class_version, __entry->method,
+ be16_to_cpu(__entry->mad_status),
+ be16_to_cpu(__entry->class_specific),
+ be64_to_cpu(__entry->tid), be16_to_cpu(__entry->attr_id),
+ be32_to_cpu(__entry->attr_mod)
+ )
+);
+
+DEFINE_EVENT(ib_umad_template, ib_umad_write,
+ TP_PROTO(struct ib_umad_file *file, struct ib_user_mad_hdr *umad_hdr,
+ struct ib_mad_hdr *mad_hdr),
+ TP_ARGS(file, umad_hdr, mad_hdr));
+
+DEFINE_EVENT(ib_umad_template, ib_umad_read_recv,
+ TP_PROTO(struct ib_umad_file *file, struct ib_user_mad_hdr *umad_hdr,
+ struct ib_mad_hdr *mad_hdr),
+ TP_ARGS(file, umad_hdr, mad_hdr));
+
+DEFINE_EVENT(ib_umad_template, ib_umad_read_send,
+ TP_PROTO(struct ib_umad_file *file, struct ib_user_mad_hdr *umad_hdr,
+ struct ib_mad_hdr *mad_hdr),
+ TP_ARGS(file, umad_hdr, mad_hdr));
+
+#endif /* _TRACE_IB_UMAD_H */
+
+#include <trace/define_trace.h>
--- /dev/null
+/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */
+/*
+ * Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All rights reserved.
+ */
+
+#ifndef EFA_ABI_USER_H
+#define EFA_ABI_USER_H
+
+#include <linux/types.h>
+
+/*
+ * Increment this value if any changes that break userspace ABI
+ * compatibility are made.
+ */
+#define EFA_UVERBS_ABI_VERSION 1
+
+/*
+ * Keep structs aligned to 8 bytes.
+ * Keep reserved fields as arrays of __u8 named reserved_XXX where XXX is the
+ * hex bit offset of the field.
+ */
+
+enum efa_ibv_user_cmds_supp_udata {
+ EFA_USER_CMDS_SUPP_UDATA_QUERY_DEVICE = 1 << 0,
+ EFA_USER_CMDS_SUPP_UDATA_CREATE_AH = 1 << 1,
+};
+
+struct efa_ibv_alloc_ucontext_resp {
+ __u32 comp_mask;
+ __u32 cmds_supp_udata_mask;
+ __u16 sub_cqs_per_cq;
+ __u16 inline_buf_size;
+ __u32 max_llq_size; /* bytes */
+};
+
+struct efa_ibv_alloc_pd_resp {
+ __u32 comp_mask;
+ __u16 pdn;
+ __u8 reserved_30[2];
+};
+
+struct efa_ibv_create_cq {
+ __u32 comp_mask;
+ __u32 cq_entry_size;
+ __u16 num_sub_cqs;
+ __u8 reserved_50[6];
+};
+
+struct efa_ibv_create_cq_resp {
+ __u32 comp_mask;
+ __u8 reserved_20[4];
+ __aligned_u64 q_mmap_key;
+ __aligned_u64 q_mmap_size;
+ __u16 cq_idx;
+ __u8 reserved_d0[6];
+};
+
+enum {
+ EFA_QP_DRIVER_TYPE_SRD = 0,
+};
+
+struct efa_ibv_create_qp {
+ __u32 comp_mask;
+ __u32 rq_ring_size; /* bytes */
+ __u32 sq_ring_size; /* bytes */
+ __u32 driver_qp_type;
+};
+
+struct efa_ibv_create_qp_resp {
+ __u32 comp_mask;
+ /* the offset inside the page of the rq db */
+ __u32 rq_db_offset;
+ /* the offset inside the page of the sq db */
+ __u32 sq_db_offset;
+ /* the offset inside the page of descriptors buffer */
+ __u32 llq_desc_offset;
+ __aligned_u64 rq_mmap_key;
+ __aligned_u64 rq_mmap_size;
+ __aligned_u64 rq_db_mmap_key;
+ __aligned_u64 sq_db_mmap_key;
+ __aligned_u64 llq_desc_mmap_key;
+ __u16 send_sub_cq_idx;
+ __u16 recv_sub_cq_idx;
+ __u8 reserved_1e0[4];
+};
+
+struct efa_ibv_create_ah_resp {
+ __u32 comp_mask;
+ __u16 efa_address_handle;
+ __u8 reserved_30[2];
+};
+
+struct efa_ibv_ex_query_device_resp {
+ __u32 comp_mask;
+ __u32 max_sq_wr;
+ __u32 max_rq_wr;
+ __u16 max_sq_sge;
+ __u16 max_rq_sge;
+};
+
+#endif /* EFA_ABI_USER_H */
MLX5_IB_CREATE_QP_RESP_MASK_TISN = 1UL << 1,
MLX5_IB_CREATE_QP_RESP_MASK_RQN = 1UL << 2,
MLX5_IB_CREATE_QP_RESP_MASK_SQN = 1UL << 3,
+ MLX5_IB_CREATE_QP_RESP_MASK_TIR_ICM_ADDR = 1UL << 4,
};
struct mlx5_ib_create_qp_resp {
__u32 rqn;
__u32 sqn;
__u32 reserved1;
+ __u64 tir_icm_addr;
};
struct mlx5_ib_alloc_mw {
enum mlx5_ib_alloc_dm_attrs {
MLX5_IB_ATTR_ALLOC_DM_RESP_START_OFFSET = (1U << UVERBS_ID_NS_SHIFT),
MLX5_IB_ATTR_ALLOC_DM_RESP_PAGE_INDEX,
+ MLX5_IB_ATTR_ALLOC_DM_REQ_TYPE,
};
enum mlx5_ib_devx_methods {
MLX5_IB_ATTR_FLOW_MATCHER_FLOW_TYPE,
MLX5_IB_ATTR_FLOW_MATCHER_MATCH_CRITERIA,
MLX5_IB_ATTR_FLOW_MATCHER_FLOW_FLAGS,
+ MLX5_IB_ATTR_FLOW_MATCHER_FT_TYPE,
};
enum mlx5_ib_flow_matcher_destroy_attrs {
enum mlx5_ib_uapi_flow_table_type {
MLX5_IB_UAPI_FLOW_TABLE_TYPE_NIC_RX = 0x0,
MLX5_IB_UAPI_FLOW_TABLE_TYPE_NIC_TX = 0x1,
+ MLX5_IB_UAPI_FLOW_TABLE_TYPE_FDB = 0x2,
};
enum mlx5_ib_uapi_flow_action_packet_reformat_type {
__u8 out_data[];
};
+enum mlx5_ib_uapi_dm_type {
+ MLX5_IB_UAPI_DM_TYPE_MEMIC,
+ MLX5_IB_UAPI_DM_TYPE_STEERING_SW_ICM,
+ MLX5_IB_UAPI_DM_TYPE_HEADER_MODIFY_SW_ICM,
+};
+
#endif
RDMA_NL_IWPM_NUM_OPS
};
-struct rdma_cm_id_stats {
- __u32 qp_num;
- __u32 bound_dev_if;
- __u32 port_space;
- __s32 pid;
- __u8 cm_state;
- __u8 node_type;
- __u8 port_num;
- __u8 qp_type;
-};
-
enum {
IWPM_NLA_REG_PID_UNSPEC = 0,
IWPM_NLA_REG_PID_SEQ,
RDMA_NLDEV_CMD_PORT_GET, /* can dump */
- /* 6 - 8 are free to use */
+ RDMA_NLDEV_CMD_SYS_GET, /* can dump */
+ RDMA_NLDEV_CMD_SYS_SET,
+
+ /* 8 is free to use */
RDMA_NLDEV_CMD_RES_GET = 9, /* can dump */
*/
RDMA_NLDEV_ATTR_LINK_TYPE, /* string */
+ /*
+ * net namespace mode for rdma subsystem:
+ * either shared or exclusive among multiple net namespaces.
+ */
+ RDMA_NLDEV_SYS_ATTR_NETNS_MODE, /* u8 */
+ /*
+ * Device protocol, e.g. ib, iw, usnic, roce and opa
+ */
+ RDMA_NLDEV_ATTR_DEV_PROTOCOL, /* string */
+
+ /*
+ * File descriptor handle of the net namespace object
+ */
+ RDMA_NLDEV_NET_NS_FD, /* u32 */
+
/*
* Always the end
*/
RDMA_DRIVER_RXE,
RDMA_DRIVER_HFI1,
RDMA_DRIVER_QIB,
+ RDMA_DRIVER_EFA,
};
#endif
#include <linux/device.h>
#include <linux/netdevice.h>
+#include <rdma/ib_verbs.h>
+
extern struct _ddebug __start___verbose[];
extern struct _ddebug __stop___verbose[];
#endif
+#if IS_ENABLED(CONFIG_INFINIBAND)
+
+void __dynamic_ibdev_dbg(struct _ddebug *descriptor,
+ const struct ib_device *ibdev, const char *fmt, ...)
+{
+ struct va_format vaf;
+ va_list args;
+
+ va_start(args, fmt);
+
+ vaf.fmt = fmt;
+ vaf.va = &args;
+
+ if (ibdev && ibdev->dev.parent) {
+ char buf[PREFIX_SIZE];
+
+ dev_printk_emit(LOGLEVEL_DEBUG, ibdev->dev.parent,
+ "%s%s %s %s: %pV",
+ dynamic_emit_prefix(descriptor, buf),
+ dev_driver_string(ibdev->dev.parent),
+ dev_name(ibdev->dev.parent),
+ dev_name(&ibdev->dev),
+ &vaf);
+ } else if (ibdev) {
+ printk(KERN_DEBUG "%s: %pV", dev_name(&ibdev->dev), &vaf);
+ } else {
+ printk(KERN_DEBUG "(NULL ib_device): %pV", &vaf);
+ }
+
+ va_end(args);
+}
+EXPORT_SYMBOL(__dynamic_ibdev_dbg);
+
+#endif
+
#define DDEBUG_STRING_SIZE 1024
static __initdata char ddebug_setup_string[DDEBUG_STRING_SIZE];
static int smc_ib_fill_mac(struct smc_ib_device *smcibdev, u8 ibport)
{
const struct ib_gid_attr *attr;
- int rc = 0;
+ int rc;
attr = rdma_get_gid_attr(smcibdev->ibdev, ibport, 0);
if (IS_ERR(attr))
return -ENODEV;
- if (attr->ndev)
- memcpy(smcibdev->mac[ibport - 1], attr->ndev->dev_addr,
- ETH_ALEN);
- else
- rc = -ENODEV;
-
+ rc = rdma_read_gid_l2_fields(attr, NULL, smcibdev->mac[ibport - 1]);
rdma_put_gid_attr(attr);
return rc;
}
unsigned short vlan_id, u8 gid[], u8 *sgid_index)
{
const struct ib_gid_attr *attr;
+ const struct net_device *ndev;
int i;
for (i = 0; i < smcibdev->pattr[ibport - 1].gid_tbl_len; i++) {
if (IS_ERR(attr))
continue;
- if (attr->ndev &&
+ rcu_read_lock();
+ ndev = rdma_read_gid_attr_ndev_rcu(attr);
+ if (!IS_ERR(ndev) &&
((!vlan_id && !is_vlan_dev(attr->ndev)) ||
(vlan_id && is_vlan_dev(attr->ndev) &&
vlan_dev_vlan_id(attr->ndev) == vlan_id)) &&
attr->gid_type == IB_GID_TYPE_ROCE) {
+ rcu_read_unlock();
if (gid)
memcpy(gid, &attr->gid, SMC_GID_SIZE);
if (sgid_index)
rdma_put_gid_attr(attr);
return 0;
}
+ rcu_read_unlock();
rdma_put_gid_attr(attr);
}
return -ENODEV;
hostprogs-y += xdp_fwd
hostprogs-y += task_fd_query
hostprogs-y += xdp_sample_pkts
+hostprogs-y += ibumad
hostprogs-y += hbm
# Libbpf dependencies
xdp_fwd-objs := xdp_fwd_user.o
task_fd_query-objs := bpf_load.o task_fd_query_user.o $(TRACE_HELPERS)
xdp_sample_pkts-objs := xdp_sample_pkts_user.o $(TRACE_HELPERS)
+ibumad-objs := bpf_load.o ibumad_user.o $(TRACE_HELPERS)
hbm-objs := bpf_load.o hbm.o $(CGROUP_HELPERS)
# Tell kbuild to always build the programs
always += xdp_fwd_kern.o
always += task_fd_query_kern.o
always += xdp_sample_pkts_kern.o
+always += ibumad_kern.o
always += hbm_out_kern.o
KBUILD_HOSTCFLAGS += -I$(objtree)/usr/include
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+
+/**
+ * ibumad BPF sample kernel side
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * Copyright(c) 2018 Ira Weiny, Intel Corporation
+ */
+
+#define KBUILD_MODNAME "ibumad_count_pkts_by_class"
+#include <uapi/linux/bpf.h>
+
+#include "bpf_helpers.h"
+
+
+struct bpf_map_def SEC("maps") read_count = {
+ .type = BPF_MAP_TYPE_ARRAY,
+ .key_size = sizeof(u32), /* class; u32 required */
+ .value_size = sizeof(u64), /* count of mads read */
+ .max_entries = 256, /* Room for all Classes */
+};
+
+struct bpf_map_def SEC("maps") write_count = {
+ .type = BPF_MAP_TYPE_ARRAY,
+ .key_size = sizeof(u32), /* class; u32 required */
+ .value_size = sizeof(u64), /* count of mads written */
+ .max_entries = 256, /* Room for all Classes */
+};
+
+#undef DEBUG
+#ifdef DEBUG
+#define bpf_debug(fmt, ...) \
+({ \
+ char ____fmt[] = fmt; \
+ bpf_trace_printk(____fmt, sizeof(____fmt), \
+ ##__VA_ARGS__); \
+})
+#else
+#define bpf_debug(fmt, ...)
+#endif
+
+/* Taken from the current format defined in
+ * include/trace/events/ib_umad.h
+ * and
+ * /sys/kernel/debug/tracing/events/ib_umad/ib_umad_read/format
+ * /sys/kernel/debug/tracing/events/ib_umad/ib_umad_write/format
+ */
+struct ib_umad_rw_args {
+ u64 pad;
+ u8 port_num;
+ u8 sl;
+ u8 path_bits;
+ u8 grh_present;
+ u32 id;
+ u32 status;
+ u32 timeout_ms;
+ u32 retires;
+ u32 length;
+ u32 qpn;
+ u32 qkey;
+ u8 gid_index;
+ u8 hop_limit;
+ u16 lid;
+ u16 attr_id;
+ u16 pkey_index;
+ u8 base_version;
+ u8 mgmt_class;
+ u8 class_version;
+ u8 method;
+ u32 flow_label;
+ u16 mad_status;
+ u16 class_specific;
+ u32 attr_mod;
+ u64 tid;
+ u8 gid[16];
+ u32 dev_index;
+ u8 traffic_class;
+};
+
+SEC("tracepoint/ib_umad/ib_umad_read_recv")
+int on_ib_umad_read_recv(struct ib_umad_rw_args *ctx)
+{
+ u64 zero = 0, *val;
+ u8 class = ctx->mgmt_class;
+
+ bpf_debug("ib_umad read recv : class 0x%x\n", class);
+
+ val = bpf_map_lookup_elem(&read_count, &class);
+ if (!val) {
+ bpf_map_update_elem(&read_count, &class, &zero, BPF_NOEXIST);
+ val = bpf_map_lookup_elem(&read_count, &class);
+ if (!val)
+ return 0;
+ }
+
+ (*val) += 1;
+
+ return 0;
+}
+SEC("tracepoint/ib_umad/ib_umad_read_send")
+int on_ib_umad_read_send(struct ib_umad_rw_args *ctx)
+{
+ u64 zero = 0, *val;
+ u8 class = ctx->mgmt_class;
+
+ bpf_debug("ib_umad read send : class 0x%x\n", class);
+
+ val = bpf_map_lookup_elem(&read_count, &class);
+ if (!val) {
+ bpf_map_update_elem(&read_count, &class, &zero, BPF_NOEXIST);
+ val = bpf_map_lookup_elem(&read_count, &class);
+ if (!val)
+ return 0;
+ }
+
+ (*val) += 1;
+
+ return 0;
+}
+SEC("tracepoint/ib_umad/ib_umad_write")
+int on_ib_umad_write(struct ib_umad_rw_args *ctx)
+{
+ u64 zero = 0, *val;
+ u8 class = ctx->mgmt_class;
+
+ bpf_debug("ib_umad write : class 0x%x\n", class);
+
+ val = bpf_map_lookup_elem(&write_count, &class);
+ if (!val) {
+ bpf_map_update_elem(&write_count, &class, &zero, BPF_NOEXIST);
+ val = bpf_map_lookup_elem(&write_count, &class);
+ if (!val)
+ return 0;
+ }
+
+ (*val) += 1;
+
+ return 0;
+}
+
+char _license[] SEC("license") = "GPL";
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+
+/**
+ * ibumad BPF sample user side
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * Copyright(c) 2018 Ira Weiny, Intel Corporation
+ */
+
+#include <linux/bpf.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <limits.h>
+
+#include <sys/resource.h>
+#include <getopt.h>
+#include <net/if.h>
+
+#include "bpf_load.h"
+#include "bpf_util.h"
+#include "bpf/libbpf.h"
+
+static void dump_counts(int fd)
+{
+ __u32 key;
+ __u64 value;
+
+ for (key = 0; key < 256; key++) {
+ if (bpf_map_lookup_elem(fd, &key, &value)) {
+ printf("failed to read key %u\n", key);
+ continue;
+ }
+ if (value)
+ printf("0x%02x : %llu\n", key, value);
+ }
+}
+
+static void dump_all_counts(void)
+{
+ printf("Read 'Class : count'\n");
+ dump_counts(map_fd[0]);
+ printf("Write 'Class : count'\n");
+ dump_counts(map_fd[1]);
+}
+
+static void dump_exit(int sig)
+{
+ dump_all_counts();
+ exit(0);
+}
+
+static const struct option long_options[] = {
+ {"help", no_argument, NULL, 'h'},
+ {"delay", required_argument, NULL, 'd'},
+};
+
+static void usage(char *cmd)
+{
+ printf("eBPF test program to count packets from various IP addresses\n"
+ "Usage: %s <options>\n"
+ " --help, -h this menu\n"
+ " --delay, -d <delay> wait <delay> sec between prints [1 - 1000000]\n"
+ , cmd
+ );
+}
+
+int main(int argc, char **argv)
+{
+ unsigned long delay = 5;
+ int longindex = 0;
+ int opt;
+ char bpf_file[256];
+
+ /* Create the eBPF kernel code path name.
+ * This follows the pattern of all of the other bpf samples
+ */
+ snprintf(bpf_file, sizeof(bpf_file), "%s_kern.o", argv[0]);
+
+ /* Do one final dump when exiting */
+ signal(SIGINT, dump_exit);
+ signal(SIGTERM, dump_exit);
+
+ while ((opt = getopt_long(argc, argv, "hd:rSw",
+ long_options, &longindex)) != -1) {
+ switch (opt) {
+ case 'd':
+ delay = strtoul(optarg, NULL, 0);
+ if (delay == ULONG_MAX || delay < 0 ||
+ delay > 1000000) {
+ fprintf(stderr, "ERROR: invalid delay : %s\n",
+ optarg);
+ usage(argv[0]);
+ return 1;
+ }
+ break;
+ default:
+ case 'h':
+ usage(argv[0]);
+ return 1;
+ }
+ }
+
+ if (load_bpf_file(bpf_file)) {
+ fprintf(stderr, "ERROR: failed to load eBPF from file : %s\n",
+ bpf_file);
+ return 1;
+ }
+
+ while (1) {
+ sleep(delay);
+ dump_all_counts();
+ }
+
+ return 0;
+}
projects / linux-2.6-microblaze.git / commitdiff