2 * Copyright (c) 2006, 2007 Cisco Systems. All rights reserved.
3 * Copyright (c) 2007, 2008 Mellanox Technologies. All rights reserved.
5 * This software is available to you under a choice of one of two
6 * licenses. You may choose to be licensed under the terms of the GNU
7 * General Public License (GPL) Version 2, available from the file
8 * COPYING in the main directory of this source tree, or the
9 * OpenIB.org BSD license below:
11 * Redistribution and use in source and binary forms, with or
12 * without modification, are permitted provided that the following
15 * - Redistributions of source code must retain the above
16 * copyright notice, this list of conditions and the following
19 * - Redistributions in binary form must reproduce the above
20 * copyright notice, this list of conditions and the following
21 * disclaimer in the documentation and/or other materials
22 * provided with the distribution.
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
37 #include <linux/compiler.h>
38 #include <linux/list.h>
39 #include <linux/mutex.h>
40 #include <linux/idr.h>
42 #include <rdma/ib_verbs.h>
43 #include <rdma/ib_umem.h>
44 #include <rdma/ib_mad.h>
45 #include <rdma/ib_sa.h>
47 #include <linux/mlx4/device.h>
48 #include <linux/mlx4/doorbell.h>
50 #define MLX4_IB_DRV_NAME "mlx4_ib"
55 #define pr_fmt(fmt) "<" MLX4_IB_DRV_NAME "> %s: " fmt, __func__
57 #define mlx4_ib_warn(ibdev, format, arg...) \
58 dev_warn((ibdev)->dma_device, MLX4_IB_DRV_NAME ": " format, ## arg)
61 MLX4_IB_SQ_MIN_WQE_SHIFT = 6,
62 MLX4_IB_MAX_HEADROOM = 2048
65 #define MLX4_IB_SQ_HEADROOM(shift) ((MLX4_IB_MAX_HEADROOM >> (shift)) + 1)
66 #define MLX4_IB_SQ_MAX_SPARE (MLX4_IB_SQ_HEADROOM(MLX4_IB_SQ_MIN_WQE_SHIFT))
68 /*module param to indicate if SM assigns the alias_GUID*/
69 extern int mlx4_ib_sm_guid_assign;
71 #define MLX4_IB_UC_STEER_QPN_ALIGN 1
72 #define MLX4_IB_UC_MAX_NUM_QPS 256
81 struct mlx4_ib_vma_private_data {
82 struct vm_area_struct *vma;
85 struct mlx4_ib_ucontext {
86 struct ib_ucontext ibucontext;
88 struct list_head db_page_list;
89 struct mutex db_page_mutex;
90 struct mlx4_ib_vma_private_data hw_bar_info[HW_BAR_COUNT];
99 struct ib_xrcd ibxrcd;
105 struct mlx4_ib_cq_buf {
111 struct mlx4_ib_cq_resize {
112 struct mlx4_ib_cq_buf buf;
119 struct mlx4_ib_cq_buf buf;
120 struct mlx4_ib_cq_resize *resize_buf;
123 struct mutex resize_mutex;
124 struct ib_umem *umem;
125 struct ib_umem *resize_umem;
127 /* List of qps that it serves.*/
128 struct list_head send_qp_list;
129 struct list_head recv_qp_list;
135 struct ib_umem *umem;
143 struct mlx4_ib_fast_reg_page_list {
144 struct ib_fast_reg_page_list ibfrpl;
145 __be64 *mapped_page_list;
151 struct mlx4_fmr mfmr;
154 #define MAX_REGS_PER_FLOW 2
156 struct mlx4_flow_reg_id {
161 struct mlx4_ib_flow {
162 struct ib_flow ibflow;
163 /* translating DMFS verbs sniffer rule to FW API requires two reg IDs */
164 struct mlx4_flow_reg_id reg_id[MAX_REGS_PER_FLOW];
179 enum mlx4_ib_qp_flags {
180 MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO,
181 MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK,
182 MLX4_IB_QP_NETIF = IB_QP_CREATE_NETIF_QP,
183 MLX4_IB_QP_CREATE_USE_GFP_NOIO = IB_QP_CREATE_USE_GFP_NOIO,
184 MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30,
185 MLX4_IB_SRIOV_SQP = 1 << 31,
188 struct mlx4_ib_gid_entry {
189 struct list_head list;
195 enum mlx4_ib_qp_type {
197 * IB_QPT_SMI and IB_QPT_GSI have to be the first two entries
198 * here (and in that order) since the MAD layer uses them as
199 * indices into a 2-entry table.
201 MLX4_IB_QPT_SMI = IB_QPT_SMI,
202 MLX4_IB_QPT_GSI = IB_QPT_GSI,
204 MLX4_IB_QPT_RC = IB_QPT_RC,
205 MLX4_IB_QPT_UC = IB_QPT_UC,
206 MLX4_IB_QPT_UD = IB_QPT_UD,
207 MLX4_IB_QPT_RAW_IPV6 = IB_QPT_RAW_IPV6,
208 MLX4_IB_QPT_RAW_ETHERTYPE = IB_QPT_RAW_ETHERTYPE,
209 MLX4_IB_QPT_RAW_PACKET = IB_QPT_RAW_PACKET,
210 MLX4_IB_QPT_XRC_INI = IB_QPT_XRC_INI,
211 MLX4_IB_QPT_XRC_TGT = IB_QPT_XRC_TGT,
213 MLX4_IB_QPT_PROXY_SMI_OWNER = 1 << 16,
214 MLX4_IB_QPT_PROXY_SMI = 1 << 17,
215 MLX4_IB_QPT_PROXY_GSI = 1 << 18,
216 MLX4_IB_QPT_TUN_SMI_OWNER = 1 << 19,
217 MLX4_IB_QPT_TUN_SMI = 1 << 20,
218 MLX4_IB_QPT_TUN_GSI = 1 << 21,
221 #define MLX4_IB_QPT_ANY_SRIOV (MLX4_IB_QPT_PROXY_SMI_OWNER | \
222 MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER | \
223 MLX4_IB_QPT_TUN_SMI | MLX4_IB_QPT_TUN_GSI)
225 enum mlx4_ib_mad_ifc_flags {
226 MLX4_MAD_IFC_IGNORE_MKEY = 1,
227 MLX4_MAD_IFC_IGNORE_BKEY = 2,
228 MLX4_MAD_IFC_IGNORE_KEYS = (MLX4_MAD_IFC_IGNORE_MKEY |
229 MLX4_MAD_IFC_IGNORE_BKEY),
230 MLX4_MAD_IFC_NET_VIEW = 4,
234 MLX4_NUM_TUNNEL_BUFS = 256,
237 struct mlx4_ib_tunnel_header {
252 struct mlx4_rcv_tunnel_hdr {
253 __be32 flags_src_qp; /* flags[6:5] is defined for VLANs:
254 * 0x0 - no vlan was in the packet
255 * 0x01 - C-VLAN was in the packet */
256 u8 g_ml_path; /* gid bit stands for ipv6/4 header in RoCE */
260 __be16 slid_mac_47_32;
264 struct mlx4_ib_proxy_sqp_hdr {
266 struct mlx4_rcv_tunnel_hdr tun;
269 struct mlx4_roce_smac_vlan_info {
274 int candidate_smac_index;
275 int candidate_smac_port;
280 int candidate_vlan_index;
281 int candidate_vlan_port;
291 struct mlx4_ib_wq rq;
294 __be32 sq_signal_bits;
295 unsigned sq_next_wqe;
296 int sq_max_wqes_per_wr;
298 struct mlx4_ib_wq sq;
300 enum mlx4_ib_qp_type mlx4_ib_qp_type;
301 struct ib_umem *umem;
314 struct list_head gid_list;
315 struct list_head steering_rules;
316 struct mlx4_ib_buf *sqp_proxy_rcv;
317 struct mlx4_roce_smac_vlan_info pri;
318 struct mlx4_roce_smac_vlan_info alt;
320 struct list_head qps_list;
321 struct list_head cq_recv_list;
322 struct list_head cq_send_list;
327 struct mlx4_srq msrq;
335 struct ib_umem *umem;
342 union mlx4_ext_av av;
345 /****************************************/
346 /* alias guid support */
347 /****************************************/
348 #define NUM_PORT_ALIAS_GUID 2
349 #define NUM_ALIAS_GUID_IN_REC 8
350 #define NUM_ALIAS_GUID_REC_IN_PORT 16
351 #define GUID_REC_SIZE 8
352 #define NUM_ALIAS_GUID_PER_PORT 128
353 #define MLX4_NOT_SET_GUID (0x00LL)
354 #define MLX4_GUID_FOR_DELETE_VAL (~(0x00LL))
356 enum mlx4_guid_alias_rec_status {
357 MLX4_GUID_INFO_STATUS_IDLE,
358 MLX4_GUID_INFO_STATUS_SET,
361 #define GUID_STATE_NEED_PORT_INIT 0x01
363 enum mlx4_guid_alias_rec_method {
364 MLX4_GUID_INFO_RECORD_SET = IB_MGMT_METHOD_SET,
365 MLX4_GUID_INFO_RECORD_DELETE = IB_SA_METHOD_DELETE,
368 struct mlx4_sriov_alias_guid_info_rec_det {
369 u8 all_recs[GUID_REC_SIZE * NUM_ALIAS_GUID_IN_REC];
370 ib_sa_comp_mask guid_indexes; /*indicates what from the 8 records are valid*/
371 enum mlx4_guid_alias_rec_status status; /*indicates the administraively status of the record.*/
372 unsigned int guids_retry_schedule[NUM_ALIAS_GUID_IN_REC];
376 struct mlx4_sriov_alias_guid_port_rec_det {
377 struct mlx4_sriov_alias_guid_info_rec_det all_rec_per_port[NUM_ALIAS_GUID_REC_IN_PORT];
378 struct workqueue_struct *wq;
379 struct delayed_work alias_guid_work;
382 struct mlx4_sriov_alias_guid *parent;
383 struct list_head cb_list;
386 struct mlx4_sriov_alias_guid {
387 struct mlx4_sriov_alias_guid_port_rec_det ports_guid[MLX4_MAX_PORTS];
388 spinlock_t ag_work_lock;
389 struct ib_sa_client *sa_client;
392 struct mlx4_ib_demux_work {
393 struct work_struct work;
394 struct mlx4_ib_dev *dev;
401 struct mlx4_ib_tun_tx_buf {
402 struct mlx4_ib_buf buf;
406 struct mlx4_ib_demux_pv_qp {
408 enum ib_qp_type proxy_qpt;
409 struct mlx4_ib_buf *ring;
410 struct mlx4_ib_tun_tx_buf *tx_ring;
416 enum mlx4_ib_demux_pv_state {
418 DEMUX_PV_STATE_STARTING,
419 DEMUX_PV_STATE_ACTIVE,
420 DEMUX_PV_STATE_DOWNING,
423 struct mlx4_ib_demux_pv_ctx {
426 enum mlx4_ib_demux_pv_state state;
428 struct ib_device *ib_dev;
431 struct work_struct work;
432 struct workqueue_struct *wq;
433 struct mlx4_ib_demux_pv_qp qp[2];
436 struct mlx4_ib_demux_ctx {
437 struct ib_device *ib_dev;
439 struct workqueue_struct *wq;
440 struct workqueue_struct *ud_wq;
442 __be64 subnet_prefix;
443 __be64 guid_cache[128];
444 struct mlx4_ib_dev *dev;
445 /* the following lock protects both mcg_table and mcg_mgid0_list */
446 struct mutex mcg_table_lock;
447 struct rb_root mcg_table;
448 struct list_head mcg_mgid0_list;
449 struct workqueue_struct *mcg_wq;
450 struct mlx4_ib_demux_pv_ctx **tun;
452 int flushing; /* flushing the work queue */
455 struct mlx4_ib_sriov {
456 struct mlx4_ib_demux_ctx demux[MLX4_MAX_PORTS];
457 struct mlx4_ib_demux_pv_ctx *sqps[MLX4_MAX_PORTS];
458 /* when using this spinlock you should use "irq" because
459 * it may be called from interrupt context.*/
460 spinlock_t going_down_lock;
463 struct mlx4_sriov_alias_guid alias_guid;
465 /* CM paravirtualization fields */
466 struct list_head cm_list;
467 spinlock_t id_map_lock;
468 struct rb_root sl_id_map;
469 struct idr pv_id_table;
472 struct gid_cache_context {
479 struct gid_cache_context *ctx;
482 struct mlx4_port_gid_table {
483 struct gid_entry gids[MLX4_MAX_PORT_GIDS];
486 struct mlx4_ib_iboe {
488 struct net_device *netdevs[MLX4_MAX_PORTS];
489 atomic64_t mac[MLX4_MAX_PORTS];
490 struct notifier_block nb;
491 struct mlx4_port_gid_table gids[MLX4_MAX_PORTS];
495 u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
496 u16 phys_pkey_cache[MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
497 struct list_head pkey_port_list[MLX4_MFUNC_MAX];
498 struct kobject *device_parent[MLX4_MFUNC_MAX];
501 struct mlx4_ib_iov_sysfs_attr {
503 struct kobject *kobj;
507 struct device_attribute dentry;
511 struct mlx4_ib_iov_sysfs_attr_ar {
512 struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1];
515 struct mlx4_ib_iov_port {
518 struct mlx4_ib_dev *dev;
519 struct list_head list;
520 struct mlx4_ib_iov_sysfs_attr_ar *dentr_ar;
521 struct ib_port_attr attr;
522 struct kobject *cur_port;
523 struct kobject *admin_alias_parent;
524 struct kobject *gids_parent;
525 struct kobject *pkeys_parent;
526 struct kobject *mcgs_parent;
527 struct mlx4_ib_iov_sysfs_attr mcg_dentry;
530 struct counter_index {
536 struct ib_device ib_dev;
537 struct mlx4_dev *dev;
539 void __iomem *uar_map;
541 struct mlx4_uar priv_uar;
543 MLX4_DECLARE_DOORBELL_LOCK(uar_lock);
545 struct ib_mad_agent *send_agent[MLX4_MAX_PORTS][2];
546 struct ib_ah *sm_ah[MLX4_MAX_PORTS];
548 struct mlx4_ib_sriov sriov;
550 struct mutex cap_mask_mutex;
552 struct mlx4_ib_iboe iboe;
553 struct counter_index counters[MLX4_MAX_PORTS];
555 struct kobject *iov_parent;
556 struct kobject *ports_parent;
557 struct kobject *dev_ports_parent[MLX4_MFUNC_MAX];
558 struct mlx4_ib_iov_port iov_ports[MLX4_MAX_PORTS];
559 struct pkey_mgt pkeys;
560 unsigned long *ib_uc_qpns_bitmap;
563 int steering_support;
564 struct mlx4_ib_qp *qp1_proxy[MLX4_MAX_PORTS];
565 /* lock when destroying qp1_proxy and getting netdev events */
566 struct mutex qp1_proxy_lock[MLX4_MAX_PORTS];
568 /* protect resources needed as part of reset flow */
569 spinlock_t reset_flow_resource_lock;
570 struct list_head qp_list;
573 struct ib_event_work {
574 struct work_struct work;
575 struct mlx4_ib_dev *ib_dev;
576 struct mlx4_eqe ib_eqe;
579 struct mlx4_ib_qp_tunnel_init_attr {
580 struct ib_qp_init_attr init_attr;
582 enum ib_qp_type proxy_qp_type;
586 struct mlx4_uverbs_ex_query_device {
591 enum query_device_resp_mask {
592 QUERY_DEVICE_RESP_MASK_TIMESTAMP = 1UL << 0,
595 struct mlx4_uverbs_ex_query_device_resp {
597 __u32 response_length;
598 __u64 hca_core_clock_offset;
601 static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev)
603 return container_of(ibdev, struct mlx4_ib_dev, ib_dev);
606 static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext)
608 return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext);
611 static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd)
613 return container_of(ibpd, struct mlx4_ib_pd, ibpd);
616 static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd)
618 return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd);
621 static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq)
623 return container_of(ibcq, struct mlx4_ib_cq, ibcq);
626 static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq)
628 return container_of(mcq, struct mlx4_ib_cq, mcq);
631 static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr)
633 return container_of(ibmr, struct mlx4_ib_mr, ibmr);
636 static inline struct mlx4_ib_mw *to_mmw(struct ib_mw *ibmw)
638 return container_of(ibmw, struct mlx4_ib_mw, ibmw);
641 static inline struct mlx4_ib_fast_reg_page_list *to_mfrpl(struct ib_fast_reg_page_list *ibfrpl)
643 return container_of(ibfrpl, struct mlx4_ib_fast_reg_page_list, ibfrpl);
646 static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr)
648 return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr);
651 static inline struct mlx4_ib_flow *to_mflow(struct ib_flow *ibflow)
653 return container_of(ibflow, struct mlx4_ib_flow, ibflow);
656 static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp)
658 return container_of(ibqp, struct mlx4_ib_qp, ibqp);
661 static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp)
663 return container_of(mqp, struct mlx4_ib_qp, mqp);
666 static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq)
668 return container_of(ibsrq, struct mlx4_ib_srq, ibsrq);
671 static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq)
673 return container_of(msrq, struct mlx4_ib_srq, msrq);
676 static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah)
678 return container_of(ibah, struct mlx4_ib_ah, ibah);
681 static inline u8 mlx4_ib_bond_next_port(struct mlx4_ib_dev *dev)
683 dev->bond_next_port = (dev->bond_next_port + 1) % dev->num_ports;
685 return dev->bond_next_port + 1;
688 int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev);
689 void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev);
691 int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context, unsigned long virt,
693 void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db);
695 struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc);
696 int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt,
697 struct ib_umem *umem);
698 struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
699 u64 virt_addr, int access_flags,
700 struct ib_udata *udata);
701 int mlx4_ib_dereg_mr(struct ib_mr *mr);
702 struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type);
703 int mlx4_ib_bind_mw(struct ib_qp *qp, struct ib_mw *mw,
704 struct ib_mw_bind *mw_bind);
705 int mlx4_ib_dealloc_mw(struct ib_mw *mw);
706 struct ib_mr *mlx4_ib_alloc_mr(struct ib_pd *pd,
707 enum ib_mr_type mr_type,
709 struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device *ibdev,
711 void mlx4_ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list);
713 int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period);
714 int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata);
715 struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev,
716 const struct ib_cq_init_attr *attr,
717 struct ib_ucontext *context,
718 struct ib_udata *udata);
719 int mlx4_ib_destroy_cq(struct ib_cq *cq);
720 int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
721 int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
722 void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
723 void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
725 struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr);
726 int mlx4_ib_query_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr);
727 int mlx4_ib_destroy_ah(struct ib_ah *ah);
729 struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd,
730 struct ib_srq_init_attr *init_attr,
731 struct ib_udata *udata);
732 int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
733 enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
734 int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
735 int mlx4_ib_destroy_srq(struct ib_srq *srq);
736 void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index);
737 int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr,
738 struct ib_recv_wr **bad_wr);
740 struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
741 struct ib_qp_init_attr *init_attr,
742 struct ib_udata *udata);
743 int mlx4_ib_destroy_qp(struct ib_qp *qp);
744 int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
745 int attr_mask, struct ib_udata *udata);
746 int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask,
747 struct ib_qp_init_attr *qp_init_attr);
748 int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
749 struct ib_send_wr **bad_wr);
750 int mlx4_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr,
751 struct ib_recv_wr **bad_wr);
753 int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags,
754 int port, const struct ib_wc *in_wc, const struct ib_grh *in_grh,
755 const void *in_mad, void *response_mad);
756 int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
757 const struct ib_wc *in_wc, const struct ib_grh *in_grh,
758 const struct ib_mad_hdr *in, size_t in_mad_size,
759 struct ib_mad_hdr *out, size_t *out_mad_size,
760 u16 *out_mad_pkey_index);
761 int mlx4_ib_mad_init(struct mlx4_ib_dev *dev);
762 void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev);
764 struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags,
765 struct ib_fmr_attr *fmr_attr);
766 int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages,
768 int mlx4_ib_unmap_fmr(struct list_head *fmr_list);
769 int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr);
770 int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port,
771 struct ib_port_attr *props, int netw_view);
772 int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
773 u16 *pkey, int netw_view);
775 int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
776 union ib_gid *gid, int netw_view);
778 static inline bool mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah)
780 u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3;
782 if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET)
785 return !!(ah->av.ib.g_slid & 0x80);
788 int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx);
789 void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq);
790 void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave);
791 int mlx4_ib_mcg_init(void);
792 void mlx4_ib_mcg_destroy(void);
794 int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid);
796 int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave,
797 struct ib_sa_mad *sa_mad);
798 int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave,
799 struct ib_sa_mad *mad);
801 int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
804 void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num,
805 enum ib_event_type type);
807 void mlx4_ib_tunnels_update_work(struct work_struct *work);
809 int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port,
810 enum ib_qp_type qpt, struct ib_wc *wc,
811 struct ib_grh *grh, struct ib_mad *mad);
813 int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port,
814 enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn,
815 u32 qkey, struct ib_ah_attr *attr, u8 *s_mac,
818 __be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx);
820 int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave,
823 int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id,
826 void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev);
827 void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave_id);
829 /* alias guid support */
830 void mlx4_ib_init_alias_guid_work(struct mlx4_ib_dev *dev, int port);
831 int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev);
832 void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev);
833 void mlx4_ib_invalidate_all_guid_record(struct mlx4_ib_dev *dev, int port);
835 void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev,
837 u8 port_num, u8 *p_data);
839 void mlx4_ib_update_cache_on_guid_change(struct mlx4_ib_dev *dev,
840 int block_num, u8 port_num,
843 int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
844 struct attribute *attr);
845 void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
846 struct attribute *attr);
847 ib_sa_comp_mask mlx4_ib_get_aguid_comp_mask_from_ix(int index);
848 void mlx4_ib_slave_alias_guid_event(struct mlx4_ib_dev *dev, int slave,
849 int port, int slave_init);
851 int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ;
853 void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device);
855 __be64 mlx4_ib_gen_node_guid(void);
857 int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn);
858 void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count);
859 int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
861 int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags,
862 u64 start, u64 length, u64 virt_addr,
863 int mr_access_flags, struct ib_pd *pd,
864 struct ib_udata *udata);
865 int mlx4_ib_gid_index_to_real_index(struct mlx4_ib_dev *ibdev,
866 u8 port_num, int index);
868 #endif /* MLX4_IB_H */