2 * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved.
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and/or other materials
21 * provided with the distribution.
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
33 #include <linux/highmem.h>
34 #include <linux/module.h>
35 #include <linux/init.h>
36 #include <linux/errno.h>
37 #include <linux/pci.h>
38 #include <linux/dma-mapping.h>
39 #include <linux/slab.h>
40 #include <linux/io-mapping.h>
41 #include <linux/sched.h>
42 #include <rdma/ib_user_verbs.h>
43 #include <linux/mlx5/vport.h>
44 #include <rdma/ib_smi.h>
45 #include <rdma/ib_umem.h>
49 #define DRIVER_NAME "mlx5_ib"
50 #define DRIVER_VERSION "2.2-1"
51 #define DRIVER_RELDATE "Feb 2014"
53 MODULE_AUTHOR("Eli Cohen <eli@mellanox.com>");
54 MODULE_DESCRIPTION("Mellanox Connect-IB HCA IB driver");
55 MODULE_LICENSE("Dual BSD/GPL");
56 MODULE_VERSION(DRIVER_VERSION);
58 static int deprecated_prof_sel = 2;
59 module_param_named(prof_sel, deprecated_prof_sel, int, 0444);
60 MODULE_PARM_DESC(prof_sel, "profile selector. Deprecated here. Moved to module mlx5_core");
62 static char mlx5_version[] =
63 DRIVER_NAME ": Mellanox Connect-IB Infiniband driver v"
64 DRIVER_VERSION " (" DRIVER_RELDATE ")\n";
66 static enum rdma_link_layer
67 mlx5_ib_port_link_layer(struct ib_device *device)
69 struct mlx5_ib_dev *dev = to_mdev(device);
71 switch (MLX5_CAP_GEN(dev->mdev, port_type)) {
72 case MLX5_CAP_PORT_TYPE_IB:
73 return IB_LINK_LAYER_INFINIBAND;
74 case MLX5_CAP_PORT_TYPE_ETH:
75 return IB_LINK_LAYER_ETHERNET;
77 return IB_LINK_LAYER_UNSPECIFIED;
81 static int mlx5_use_mad_ifc(struct mlx5_ib_dev *dev)
83 return !dev->mdev->issi;
87 MLX5_VPORT_ACCESS_METHOD_MAD,
88 MLX5_VPORT_ACCESS_METHOD_HCA,
89 MLX5_VPORT_ACCESS_METHOD_NIC,
92 static int mlx5_get_vport_access_method(struct ib_device *ibdev)
94 if (mlx5_use_mad_ifc(to_mdev(ibdev)))
95 return MLX5_VPORT_ACCESS_METHOD_MAD;
97 if (mlx5_ib_port_link_layer(ibdev) ==
98 IB_LINK_LAYER_ETHERNET)
99 return MLX5_VPORT_ACCESS_METHOD_NIC;
101 return MLX5_VPORT_ACCESS_METHOD_HCA;
104 static int mlx5_query_system_image_guid(struct ib_device *ibdev,
105 __be64 *sys_image_guid)
107 struct mlx5_ib_dev *dev = to_mdev(ibdev);
108 struct mlx5_core_dev *mdev = dev->mdev;
112 switch (mlx5_get_vport_access_method(ibdev)) {
113 case MLX5_VPORT_ACCESS_METHOD_MAD:
114 return mlx5_query_mad_ifc_system_image_guid(ibdev,
117 case MLX5_VPORT_ACCESS_METHOD_HCA:
118 err = mlx5_query_hca_vport_system_image_guid(mdev, &tmp);
120 *sys_image_guid = cpu_to_be64(tmp);
128 static int mlx5_query_max_pkeys(struct ib_device *ibdev,
131 struct mlx5_ib_dev *dev = to_mdev(ibdev);
132 struct mlx5_core_dev *mdev = dev->mdev;
134 switch (mlx5_get_vport_access_method(ibdev)) {
135 case MLX5_VPORT_ACCESS_METHOD_MAD:
136 return mlx5_query_mad_ifc_max_pkeys(ibdev, max_pkeys);
138 case MLX5_VPORT_ACCESS_METHOD_HCA:
139 case MLX5_VPORT_ACCESS_METHOD_NIC:
140 *max_pkeys = mlx5_to_sw_pkey_sz(MLX5_CAP_GEN(mdev,
149 static int mlx5_query_vendor_id(struct ib_device *ibdev,
152 struct mlx5_ib_dev *dev = to_mdev(ibdev);
154 switch (mlx5_get_vport_access_method(ibdev)) {
155 case MLX5_VPORT_ACCESS_METHOD_MAD:
156 return mlx5_query_mad_ifc_vendor_id(ibdev, vendor_id);
158 case MLX5_VPORT_ACCESS_METHOD_HCA:
159 case MLX5_VPORT_ACCESS_METHOD_NIC:
160 return mlx5_core_query_vendor_id(dev->mdev, vendor_id);
167 static int mlx5_query_node_guid(struct mlx5_ib_dev *dev,
173 switch (mlx5_get_vport_access_method(&dev->ib_dev)) {
174 case MLX5_VPORT_ACCESS_METHOD_MAD:
175 return mlx5_query_mad_ifc_node_guid(dev, node_guid);
177 case MLX5_VPORT_ACCESS_METHOD_HCA:
178 err = mlx5_query_hca_vport_node_guid(dev->mdev, &tmp);
180 *node_guid = cpu_to_be64(tmp);
188 struct mlx5_reg_node_desc {
192 static int mlx5_query_node_desc(struct mlx5_ib_dev *dev, char *node_desc)
194 struct mlx5_reg_node_desc in;
196 if (mlx5_use_mad_ifc(dev))
197 return mlx5_query_mad_ifc_node_desc(dev, node_desc);
199 memset(&in, 0, sizeof(in));
201 return mlx5_core_access_reg(dev->mdev, &in, sizeof(in), node_desc,
202 sizeof(struct mlx5_reg_node_desc),
203 MLX5_REG_NODE_DESC, 0, 0);
206 static int mlx5_ib_query_device(struct ib_device *ibdev,
207 struct ib_device_attr *props,
208 struct ib_udata *uhw)
210 struct mlx5_ib_dev *dev = to_mdev(ibdev);
211 struct mlx5_core_dev *mdev = dev->mdev;
215 u64 min_page_size = 1ull << MLX5_CAP_GEN(mdev, log_pg_sz);
217 if (uhw->inlen || uhw->outlen)
220 memset(props, 0, sizeof(*props));
221 err = mlx5_query_system_image_guid(ibdev,
222 &props->sys_image_guid);
226 err = mlx5_query_max_pkeys(ibdev, &props->max_pkeys);
230 err = mlx5_query_vendor_id(ibdev, &props->vendor_id);
234 props->fw_ver = ((u64)fw_rev_maj(dev->mdev) << 32) |
235 (fw_rev_min(dev->mdev) << 16) |
236 fw_rev_sub(dev->mdev);
237 props->device_cap_flags = IB_DEVICE_CHANGE_PHY_PORT |
238 IB_DEVICE_PORT_ACTIVE_EVENT |
239 IB_DEVICE_SYS_IMAGE_GUID |
240 IB_DEVICE_RC_RNR_NAK_GEN;
242 if (MLX5_CAP_GEN(mdev, pkv))
243 props->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR;
244 if (MLX5_CAP_GEN(mdev, qkv))
245 props->device_cap_flags |= IB_DEVICE_BAD_QKEY_CNTR;
246 if (MLX5_CAP_GEN(mdev, apm))
247 props->device_cap_flags |= IB_DEVICE_AUTO_PATH_MIG;
248 if (MLX5_CAP_GEN(mdev, xrc))
249 props->device_cap_flags |= IB_DEVICE_XRC;
250 props->device_cap_flags |= IB_DEVICE_MEM_MGT_EXTENSIONS;
251 if (MLX5_CAP_GEN(mdev, sho)) {
252 props->device_cap_flags |= IB_DEVICE_SIGNATURE_HANDOVER;
253 /* At this stage no support for signature handover */
254 props->sig_prot_cap = IB_PROT_T10DIF_TYPE_1 |
255 IB_PROT_T10DIF_TYPE_2 |
256 IB_PROT_T10DIF_TYPE_3;
257 props->sig_guard_cap = IB_GUARD_T10DIF_CRC |
258 IB_GUARD_T10DIF_CSUM;
260 if (MLX5_CAP_GEN(mdev, block_lb_mc))
261 props->device_cap_flags |= IB_DEVICE_BLOCK_MULTICAST_LOOPBACK;
263 props->vendor_part_id = mdev->pdev->device;
264 props->hw_ver = mdev->pdev->revision;
266 props->max_mr_size = ~0ull;
267 props->page_size_cap = ~(min_page_size - 1);
268 props->max_qp = 1 << MLX5_CAP_GEN(mdev, log_max_qp);
269 props->max_qp_wr = 1 << MLX5_CAP_GEN(mdev, log_max_qp_sz);
270 max_rq_sg = MLX5_CAP_GEN(mdev, max_wqe_sz_rq) /
271 sizeof(struct mlx5_wqe_data_seg);
272 max_sq_sg = (MLX5_CAP_GEN(mdev, max_wqe_sz_sq) -
273 sizeof(struct mlx5_wqe_ctrl_seg)) /
274 sizeof(struct mlx5_wqe_data_seg);
275 props->max_sge = min(max_rq_sg, max_sq_sg);
276 props->max_sge_rd = props->max_sge;
277 props->max_cq = 1 << MLX5_CAP_GEN(mdev, log_max_cq);
278 props->max_cqe = (1 << MLX5_CAP_GEN(mdev, log_max_eq_sz)) - 1;
279 props->max_mr = 1 << MLX5_CAP_GEN(mdev, log_max_mkey);
280 props->max_pd = 1 << MLX5_CAP_GEN(mdev, log_max_pd);
281 props->max_qp_rd_atom = 1 << MLX5_CAP_GEN(mdev, log_max_ra_req_qp);
282 props->max_qp_init_rd_atom = 1 << MLX5_CAP_GEN(mdev, log_max_ra_res_qp);
283 props->max_srq = 1 << MLX5_CAP_GEN(mdev, log_max_srq);
284 props->max_srq_wr = (1 << MLX5_CAP_GEN(mdev, log_max_srq_sz)) - 1;
285 props->local_ca_ack_delay = MLX5_CAP_GEN(mdev, local_ca_ack_delay);
286 props->max_res_rd_atom = props->max_qp_rd_atom * props->max_qp;
287 props->max_srq_sge = max_rq_sg - 1;
288 props->max_fast_reg_page_list_len = (unsigned int)-1;
289 props->atomic_cap = IB_ATOMIC_NONE;
290 props->masked_atomic_cap = IB_ATOMIC_NONE;
291 props->max_mcast_grp = 1 << MLX5_CAP_GEN(mdev, log_max_mcg);
292 props->max_mcast_qp_attach = MLX5_CAP_GEN(mdev, max_qp_mcg);
293 props->max_total_mcast_qp_attach = props->max_mcast_qp_attach *
294 props->max_mcast_grp;
295 props->max_map_per_fmr = INT_MAX; /* no limit in ConnectIB */
297 #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
298 if (MLX5_CAP_GEN(mdev, pg))
299 props->device_cap_flags |= IB_DEVICE_ON_DEMAND_PAGING;
300 props->odp_caps = dev->odp_caps;
307 MLX5_IB_WIDTH_1X = 1 << 0,
308 MLX5_IB_WIDTH_2X = 1 << 1,
309 MLX5_IB_WIDTH_4X = 1 << 2,
310 MLX5_IB_WIDTH_8X = 1 << 3,
311 MLX5_IB_WIDTH_12X = 1 << 4
314 static int translate_active_width(struct ib_device *ibdev, u8 active_width,
317 struct mlx5_ib_dev *dev = to_mdev(ibdev);
320 if (active_width & MLX5_IB_WIDTH_1X) {
321 *ib_width = IB_WIDTH_1X;
322 } else if (active_width & MLX5_IB_WIDTH_2X) {
323 mlx5_ib_dbg(dev, "active_width %d is not supported by IB spec\n",
326 } else if (active_width & MLX5_IB_WIDTH_4X) {
327 *ib_width = IB_WIDTH_4X;
328 } else if (active_width & MLX5_IB_WIDTH_8X) {
329 *ib_width = IB_WIDTH_8X;
330 } else if (active_width & MLX5_IB_WIDTH_12X) {
331 *ib_width = IB_WIDTH_12X;
333 mlx5_ib_dbg(dev, "Invalid active_width %d\n",
341 static int mlx5_mtu_to_ib_mtu(int mtu)
350 pr_warn("invalid mtu\n");
360 __IB_MAX_VL_0_14 = 5,
363 enum mlx5_vl_hw_cap {
375 static int translate_max_vl_num(struct ib_device *ibdev, u8 vl_hw_cap,
380 *max_vl_num = __IB_MAX_VL_0;
383 *max_vl_num = __IB_MAX_VL_0_1;
386 *max_vl_num = __IB_MAX_VL_0_3;
389 *max_vl_num = __IB_MAX_VL_0_7;
391 case MLX5_VL_HW_0_14:
392 *max_vl_num = __IB_MAX_VL_0_14;
402 static int mlx5_query_hca_port(struct ib_device *ibdev, u8 port,
403 struct ib_port_attr *props)
405 struct mlx5_ib_dev *dev = to_mdev(ibdev);
406 struct mlx5_core_dev *mdev = dev->mdev;
407 struct mlx5_hca_vport_context *rep;
411 u8 ib_link_width_oper;
414 rep = kzalloc(sizeof(*rep), GFP_KERNEL);
420 memset(props, 0, sizeof(*props));
422 err = mlx5_query_hca_vport_context(mdev, 0, port, 0, rep);
426 props->lid = rep->lid;
427 props->lmc = rep->lmc;
428 props->sm_lid = rep->sm_lid;
429 props->sm_sl = rep->sm_sl;
430 props->state = rep->vport_state;
431 props->phys_state = rep->port_physical_state;
432 props->port_cap_flags = rep->cap_mask1;
433 props->gid_tbl_len = mlx5_get_gid_table_len(MLX5_CAP_GEN(mdev, gid_table_size));
434 props->max_msg_sz = 1 << MLX5_CAP_GEN(mdev, log_max_msg);
435 props->pkey_tbl_len = mlx5_to_sw_pkey_sz(MLX5_CAP_GEN(mdev, pkey_table_size));
436 props->bad_pkey_cntr = rep->pkey_violation_counter;
437 props->qkey_viol_cntr = rep->qkey_violation_counter;
438 props->subnet_timeout = rep->subnet_timeout;
439 props->init_type_reply = rep->init_type_reply;
441 err = mlx5_query_port_link_width_oper(mdev, &ib_link_width_oper, port);
445 err = translate_active_width(ibdev, ib_link_width_oper,
446 &props->active_width);
449 err = mlx5_query_port_proto_oper(mdev, &props->active_speed, MLX5_PTYS_IB,
454 mlx5_query_port_max_mtu(mdev, &max_mtu, port);
456 props->max_mtu = mlx5_mtu_to_ib_mtu(max_mtu);
458 mlx5_query_port_oper_mtu(mdev, &oper_mtu, port);
460 props->active_mtu = mlx5_mtu_to_ib_mtu(oper_mtu);
462 err = mlx5_query_port_vl_hw_cap(mdev, &vl_hw_cap, port);
466 err = translate_max_vl_num(ibdev, vl_hw_cap,
473 int mlx5_ib_query_port(struct ib_device *ibdev, u8 port,
474 struct ib_port_attr *props)
476 switch (mlx5_get_vport_access_method(ibdev)) {
477 case MLX5_VPORT_ACCESS_METHOD_MAD:
478 return mlx5_query_mad_ifc_port(ibdev, port, props);
480 case MLX5_VPORT_ACCESS_METHOD_HCA:
481 return mlx5_query_hca_port(ibdev, port, props);
488 static int mlx5_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
491 struct mlx5_ib_dev *dev = to_mdev(ibdev);
492 struct mlx5_core_dev *mdev = dev->mdev;
494 switch (mlx5_get_vport_access_method(ibdev)) {
495 case MLX5_VPORT_ACCESS_METHOD_MAD:
496 return mlx5_query_mad_ifc_gids(ibdev, port, index, gid);
498 case MLX5_VPORT_ACCESS_METHOD_HCA:
499 return mlx5_query_hca_vport_gid(mdev, 0, port, 0, index, gid);
507 static int mlx5_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
510 struct mlx5_ib_dev *dev = to_mdev(ibdev);
511 struct mlx5_core_dev *mdev = dev->mdev;
513 switch (mlx5_get_vport_access_method(ibdev)) {
514 case MLX5_VPORT_ACCESS_METHOD_MAD:
515 return mlx5_query_mad_ifc_pkey(ibdev, port, index, pkey);
517 case MLX5_VPORT_ACCESS_METHOD_HCA:
518 case MLX5_VPORT_ACCESS_METHOD_NIC:
519 return mlx5_query_hca_vport_pkey(mdev, 0, port, 0, index,
526 static int mlx5_ib_modify_device(struct ib_device *ibdev, int mask,
527 struct ib_device_modify *props)
529 struct mlx5_ib_dev *dev = to_mdev(ibdev);
530 struct mlx5_reg_node_desc in;
531 struct mlx5_reg_node_desc out;
534 if (mask & ~IB_DEVICE_MODIFY_NODE_DESC)
537 if (!(mask & IB_DEVICE_MODIFY_NODE_DESC))
541 * If possible, pass node desc to FW, so it can generate
542 * a 144 trap. If cmd fails, just ignore.
544 memcpy(&in, props->node_desc, 64);
545 err = mlx5_core_access_reg(dev->mdev, &in, sizeof(in), &out,
546 sizeof(out), MLX5_REG_NODE_DESC, 0, 1);
550 memcpy(ibdev->node_desc, props->node_desc, 64);
555 static int mlx5_ib_modify_port(struct ib_device *ibdev, u8 port, int mask,
556 struct ib_port_modify *props)
558 struct mlx5_ib_dev *dev = to_mdev(ibdev);
559 struct ib_port_attr attr;
563 mutex_lock(&dev->cap_mask_mutex);
565 err = mlx5_ib_query_port(ibdev, port, &attr);
569 tmp = (attr.port_cap_flags | props->set_port_cap_mask) &
570 ~props->clr_port_cap_mask;
572 err = mlx5_set_port_caps(dev->mdev, port, tmp);
575 mutex_unlock(&dev->cap_mask_mutex);
579 static struct ib_ucontext *mlx5_ib_alloc_ucontext(struct ib_device *ibdev,
580 struct ib_udata *udata)
582 struct mlx5_ib_dev *dev = to_mdev(ibdev);
583 struct mlx5_ib_alloc_ucontext_req_v2 req;
584 struct mlx5_ib_alloc_ucontext_resp resp;
585 struct mlx5_ib_ucontext *context;
586 struct mlx5_uuar_info *uuari;
587 struct mlx5_uar *uars;
597 return ERR_PTR(-EAGAIN);
599 memset(&req, 0, sizeof(req));
600 reqlen = udata->inlen - sizeof(struct ib_uverbs_cmd_hdr);
601 if (reqlen == sizeof(struct mlx5_ib_alloc_ucontext_req))
603 else if (reqlen == sizeof(struct mlx5_ib_alloc_ucontext_req_v2))
606 return ERR_PTR(-EINVAL);
608 err = ib_copy_from_udata(&req, udata, reqlen);
612 if (req.flags || req.reserved)
613 return ERR_PTR(-EINVAL);
615 if (req.total_num_uuars > MLX5_MAX_UUARS)
616 return ERR_PTR(-ENOMEM);
618 if (req.total_num_uuars == 0)
619 return ERR_PTR(-EINVAL);
621 req.total_num_uuars = ALIGN(req.total_num_uuars,
622 MLX5_NON_FP_BF_REGS_PER_PAGE);
623 if (req.num_low_latency_uuars > req.total_num_uuars - 1)
624 return ERR_PTR(-EINVAL);
626 num_uars = req.total_num_uuars / MLX5_NON_FP_BF_REGS_PER_PAGE;
627 gross_uuars = num_uars * MLX5_BF_REGS_PER_PAGE;
628 resp.qp_tab_size = 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp);
629 resp.bf_reg_size = 1 << MLX5_CAP_GEN(dev->mdev, log_bf_reg_size);
630 resp.cache_line_size = L1_CACHE_BYTES;
631 resp.max_sq_desc_sz = MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq);
632 resp.max_rq_desc_sz = MLX5_CAP_GEN(dev->mdev, max_wqe_sz_rq);
633 resp.max_send_wqebb = 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz);
634 resp.max_recv_wr = 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz);
635 resp.max_srq_recv_wr = 1 << MLX5_CAP_GEN(dev->mdev, log_max_srq_sz);
637 context = kzalloc(sizeof(*context), GFP_KERNEL);
639 return ERR_PTR(-ENOMEM);
641 uuari = &context->uuari;
642 mutex_init(&uuari->lock);
643 uars = kcalloc(num_uars, sizeof(*uars), GFP_KERNEL);
649 uuari->bitmap = kcalloc(BITS_TO_LONGS(gross_uuars),
650 sizeof(*uuari->bitmap),
652 if (!uuari->bitmap) {
657 * clear all fast path uuars
659 for (i = 0; i < gross_uuars; i++) {
661 if (uuarn == 2 || uuarn == 3)
662 set_bit(i, uuari->bitmap);
665 uuari->count = kcalloc(gross_uuars, sizeof(*uuari->count), GFP_KERNEL);
671 for (i = 0; i < num_uars; i++) {
672 err = mlx5_cmd_alloc_uar(dev->mdev, &uars[i].index);
677 #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
678 context->ibucontext.invalidate_range = &mlx5_ib_invalidate_range;
681 INIT_LIST_HEAD(&context->db_page_list);
682 mutex_init(&context->db_page_mutex);
684 resp.tot_uuars = req.total_num_uuars;
685 resp.num_ports = MLX5_CAP_GEN(dev->mdev, num_ports);
686 err = ib_copy_to_udata(udata, &resp,
687 sizeof(resp) - sizeof(resp.reserved));
692 uuari->num_low_latency_uuars = req.num_low_latency_uuars;
694 uuari->num_uars = num_uars;
695 return &context->ibucontext;
698 for (i--; i >= 0; i--)
699 mlx5_cmd_free_uar(dev->mdev, uars[i].index);
704 kfree(uuari->bitmap);
714 static int mlx5_ib_dealloc_ucontext(struct ib_ucontext *ibcontext)
716 struct mlx5_ib_ucontext *context = to_mucontext(ibcontext);
717 struct mlx5_ib_dev *dev = to_mdev(ibcontext->device);
718 struct mlx5_uuar_info *uuari = &context->uuari;
721 for (i = 0; i < uuari->num_uars; i++) {
722 if (mlx5_cmd_free_uar(dev->mdev, uuari->uars[i].index))
723 mlx5_ib_warn(dev, "failed to free UAR 0x%x\n", uuari->uars[i].index);
727 kfree(uuari->bitmap);
734 static phys_addr_t uar_index2pfn(struct mlx5_ib_dev *dev, int index)
736 return (pci_resource_start(dev->mdev->pdev, 0) >> PAGE_SHIFT) + index;
739 static int get_command(unsigned long offset)
741 return (offset >> MLX5_IB_MMAP_CMD_SHIFT) & MLX5_IB_MMAP_CMD_MASK;
744 static int get_arg(unsigned long offset)
746 return offset & ((1 << MLX5_IB_MMAP_CMD_SHIFT) - 1);
749 static int get_index(unsigned long offset)
751 return get_arg(offset);
754 static int mlx5_ib_mmap(struct ib_ucontext *ibcontext, struct vm_area_struct *vma)
756 struct mlx5_ib_ucontext *context = to_mucontext(ibcontext);
757 struct mlx5_ib_dev *dev = to_mdev(ibcontext->device);
758 struct mlx5_uuar_info *uuari = &context->uuari;
759 unsigned long command;
763 command = get_command(vma->vm_pgoff);
765 case MLX5_IB_MMAP_REGULAR_PAGE:
766 if (vma->vm_end - vma->vm_start != PAGE_SIZE)
769 idx = get_index(vma->vm_pgoff);
770 if (idx >= uuari->num_uars)
773 pfn = uar_index2pfn(dev, uuari->uars[idx].index);
774 mlx5_ib_dbg(dev, "uar idx 0x%lx, pfn 0x%llx\n", idx,
775 (unsigned long long)pfn);
777 vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
778 if (io_remap_pfn_range(vma, vma->vm_start, pfn,
779 PAGE_SIZE, vma->vm_page_prot))
782 mlx5_ib_dbg(dev, "mapped WC at 0x%lx, PA 0x%llx\n",
784 (unsigned long long)pfn << PAGE_SHIFT);
787 case MLX5_IB_MMAP_GET_CONTIGUOUS_PAGES:
797 static struct ib_pd *mlx5_ib_alloc_pd(struct ib_device *ibdev,
798 struct ib_ucontext *context,
799 struct ib_udata *udata)
801 struct mlx5_ib_alloc_pd_resp resp;
802 struct mlx5_ib_pd *pd;
805 pd = kmalloc(sizeof(*pd), GFP_KERNEL);
807 return ERR_PTR(-ENOMEM);
809 err = mlx5_core_alloc_pd(to_mdev(ibdev)->mdev, &pd->pdn);
817 if (ib_copy_to_udata(udata, &resp, sizeof(resp))) {
818 mlx5_core_dealloc_pd(to_mdev(ibdev)->mdev, pd->pdn);
820 return ERR_PTR(-EFAULT);
827 static int mlx5_ib_dealloc_pd(struct ib_pd *pd)
829 struct mlx5_ib_dev *mdev = to_mdev(pd->device);
830 struct mlx5_ib_pd *mpd = to_mpd(pd);
832 mlx5_core_dealloc_pd(mdev->mdev, mpd->pdn);
838 static int mlx5_ib_mcg_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
840 struct mlx5_ib_dev *dev = to_mdev(ibqp->device);
843 err = mlx5_core_attach_mcg(dev->mdev, gid, ibqp->qp_num);
845 mlx5_ib_warn(dev, "failed attaching QPN 0x%x, MGID %pI6\n",
846 ibqp->qp_num, gid->raw);
851 static int mlx5_ib_mcg_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
853 struct mlx5_ib_dev *dev = to_mdev(ibqp->device);
856 err = mlx5_core_detach_mcg(dev->mdev, gid, ibqp->qp_num);
858 mlx5_ib_warn(dev, "failed detaching QPN 0x%x, MGID %pI6\n",
859 ibqp->qp_num, gid->raw);
864 static int init_node_data(struct mlx5_ib_dev *dev)
868 err = mlx5_query_node_desc(dev, dev->ib_dev.node_desc);
872 dev->mdev->rev_id = dev->mdev->pdev->revision;
874 return mlx5_query_node_guid(dev, &dev->ib_dev.node_guid);
877 static ssize_t show_fw_pages(struct device *device, struct device_attribute *attr,
880 struct mlx5_ib_dev *dev =
881 container_of(device, struct mlx5_ib_dev, ib_dev.dev);
883 return sprintf(buf, "%d\n", dev->mdev->priv.fw_pages);
886 static ssize_t show_reg_pages(struct device *device,
887 struct device_attribute *attr, char *buf)
889 struct mlx5_ib_dev *dev =
890 container_of(device, struct mlx5_ib_dev, ib_dev.dev);
892 return sprintf(buf, "%d\n", atomic_read(&dev->mdev->priv.reg_pages));
895 static ssize_t show_hca(struct device *device, struct device_attribute *attr,
898 struct mlx5_ib_dev *dev =
899 container_of(device, struct mlx5_ib_dev, ib_dev.dev);
900 return sprintf(buf, "MT%d\n", dev->mdev->pdev->device);
903 static ssize_t show_fw_ver(struct device *device, struct device_attribute *attr,
906 struct mlx5_ib_dev *dev =
907 container_of(device, struct mlx5_ib_dev, ib_dev.dev);
908 return sprintf(buf, "%d.%d.%d\n", fw_rev_maj(dev->mdev),
909 fw_rev_min(dev->mdev), fw_rev_sub(dev->mdev));
912 static ssize_t show_rev(struct device *device, struct device_attribute *attr,
915 struct mlx5_ib_dev *dev =
916 container_of(device, struct mlx5_ib_dev, ib_dev.dev);
917 return sprintf(buf, "%x\n", dev->mdev->rev_id);
920 static ssize_t show_board(struct device *device, struct device_attribute *attr,
923 struct mlx5_ib_dev *dev =
924 container_of(device, struct mlx5_ib_dev, ib_dev.dev);
925 return sprintf(buf, "%.*s\n", MLX5_BOARD_ID_LEN,
926 dev->mdev->board_id);
929 static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL);
930 static DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL);
931 static DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL);
932 static DEVICE_ATTR(board_id, S_IRUGO, show_board, NULL);
933 static DEVICE_ATTR(fw_pages, S_IRUGO, show_fw_pages, NULL);
934 static DEVICE_ATTR(reg_pages, S_IRUGO, show_reg_pages, NULL);
936 static struct device_attribute *mlx5_class_attributes[] = {
945 static void mlx5_ib_event(struct mlx5_core_dev *dev, void *context,
946 enum mlx5_dev_event event, unsigned long param)
948 struct mlx5_ib_dev *ibdev = (struct mlx5_ib_dev *)context;
949 struct ib_event ibev;
954 case MLX5_DEV_EVENT_SYS_ERROR:
955 ibdev->ib_active = false;
956 ibev.event = IB_EVENT_DEVICE_FATAL;
959 case MLX5_DEV_EVENT_PORT_UP:
960 ibev.event = IB_EVENT_PORT_ACTIVE;
964 case MLX5_DEV_EVENT_PORT_DOWN:
965 ibev.event = IB_EVENT_PORT_ERR;
969 case MLX5_DEV_EVENT_PORT_INITIALIZED:
970 /* not used by ULPs */
973 case MLX5_DEV_EVENT_LID_CHANGE:
974 ibev.event = IB_EVENT_LID_CHANGE;
978 case MLX5_DEV_EVENT_PKEY_CHANGE:
979 ibev.event = IB_EVENT_PKEY_CHANGE;
983 case MLX5_DEV_EVENT_GUID_CHANGE:
984 ibev.event = IB_EVENT_GID_CHANGE;
988 case MLX5_DEV_EVENT_CLIENT_REREG:
989 ibev.event = IB_EVENT_CLIENT_REREGISTER;
994 ibev.device = &ibdev->ib_dev;
995 ibev.element.port_num = port;
997 if (port < 1 || port > ibdev->num_ports) {
998 mlx5_ib_warn(ibdev, "warning: event on port %d\n", port);
1002 if (ibdev->ib_active)
1003 ib_dispatch_event(&ibev);
1006 static void get_ext_port_caps(struct mlx5_ib_dev *dev)
1010 for (port = 1; port <= MLX5_CAP_GEN(dev->mdev, num_ports); port++)
1011 mlx5_query_ext_port_caps(dev, port);
1014 static int get_port_caps(struct mlx5_ib_dev *dev)
1016 struct ib_device_attr *dprops = NULL;
1017 struct ib_port_attr *pprops = NULL;
1020 struct ib_udata uhw = {.inlen = 0, .outlen = 0};
1022 pprops = kmalloc(sizeof(*pprops), GFP_KERNEL);
1026 dprops = kmalloc(sizeof(*dprops), GFP_KERNEL);
1030 err = mlx5_ib_query_device(&dev->ib_dev, dprops, &uhw);
1032 mlx5_ib_warn(dev, "query_device failed %d\n", err);
1036 for (port = 1; port <= MLX5_CAP_GEN(dev->mdev, num_ports); port++) {
1037 err = mlx5_ib_query_port(&dev->ib_dev, port, pprops);
1039 mlx5_ib_warn(dev, "query_port %d failed %d\n",
1043 dev->mdev->port_caps[port - 1].pkey_table_len =
1045 dev->mdev->port_caps[port - 1].gid_table_len =
1046 pprops->gid_tbl_len;
1047 mlx5_ib_dbg(dev, "pkey_table_len %d, gid_table_len %d\n",
1048 dprops->max_pkeys, pprops->gid_tbl_len);
1058 static void destroy_umrc_res(struct mlx5_ib_dev *dev)
1062 err = mlx5_mr_cache_cleanup(dev);
1064 mlx5_ib_warn(dev, "mr cache cleanup failed\n");
1066 mlx5_ib_destroy_qp(dev->umrc.qp);
1067 ib_destroy_cq(dev->umrc.cq);
1068 ib_dealloc_pd(dev->umrc.pd);
1075 static int create_umr_res(struct mlx5_ib_dev *dev)
1077 struct ib_qp_init_attr *init_attr = NULL;
1078 struct ib_qp_attr *attr = NULL;
1082 struct ib_cq_init_attr cq_attr = {};
1085 attr = kzalloc(sizeof(*attr), GFP_KERNEL);
1086 init_attr = kzalloc(sizeof(*init_attr), GFP_KERNEL);
1087 if (!attr || !init_attr) {
1092 pd = ib_alloc_pd(&dev->ib_dev);
1094 mlx5_ib_dbg(dev, "Couldn't create PD for sync UMR QP\n");
1100 cq = ib_create_cq(&dev->ib_dev, mlx5_umr_cq_handler, NULL, NULL,
1103 mlx5_ib_dbg(dev, "Couldn't create CQ for sync UMR QP\n");
1107 ib_req_notify_cq(cq, IB_CQ_NEXT_COMP);
1109 init_attr->send_cq = cq;
1110 init_attr->recv_cq = cq;
1111 init_attr->sq_sig_type = IB_SIGNAL_ALL_WR;
1112 init_attr->cap.max_send_wr = MAX_UMR_WR;
1113 init_attr->cap.max_send_sge = 1;
1114 init_attr->qp_type = MLX5_IB_QPT_REG_UMR;
1115 init_attr->port_num = 1;
1116 qp = mlx5_ib_create_qp(pd, init_attr, NULL);
1118 mlx5_ib_dbg(dev, "Couldn't create sync UMR QP\n");
1122 qp->device = &dev->ib_dev;
1125 qp->qp_type = MLX5_IB_QPT_REG_UMR;
1127 attr->qp_state = IB_QPS_INIT;
1129 ret = mlx5_ib_modify_qp(qp, attr, IB_QP_STATE | IB_QP_PKEY_INDEX |
1132 mlx5_ib_dbg(dev, "Couldn't modify UMR QP\n");
1136 memset(attr, 0, sizeof(*attr));
1137 attr->qp_state = IB_QPS_RTR;
1138 attr->path_mtu = IB_MTU_256;
1140 ret = mlx5_ib_modify_qp(qp, attr, IB_QP_STATE, NULL);
1142 mlx5_ib_dbg(dev, "Couldn't modify umr QP to rtr\n");
1146 memset(attr, 0, sizeof(*attr));
1147 attr->qp_state = IB_QPS_RTS;
1148 ret = mlx5_ib_modify_qp(qp, attr, IB_QP_STATE, NULL);
1150 mlx5_ib_dbg(dev, "Couldn't modify umr QP to rts\n");
1158 sema_init(&dev->umrc.sem, MAX_UMR_WR);
1159 ret = mlx5_mr_cache_init(dev);
1161 mlx5_ib_warn(dev, "mr cache init failed %d\n", ret);
1171 mlx5_ib_destroy_qp(qp);
1185 static int create_dev_resources(struct mlx5_ib_resources *devr)
1187 struct ib_srq_init_attr attr;
1188 struct mlx5_ib_dev *dev;
1189 struct ib_cq_init_attr cq_attr = {.cqe = 1};
1192 dev = container_of(devr, struct mlx5_ib_dev, devr);
1194 devr->p0 = mlx5_ib_alloc_pd(&dev->ib_dev, NULL, NULL);
1195 if (IS_ERR(devr->p0)) {
1196 ret = PTR_ERR(devr->p0);
1199 devr->p0->device = &dev->ib_dev;
1200 devr->p0->uobject = NULL;
1201 atomic_set(&devr->p0->usecnt, 0);
1203 devr->c0 = mlx5_ib_create_cq(&dev->ib_dev, &cq_attr, NULL, NULL);
1204 if (IS_ERR(devr->c0)) {
1205 ret = PTR_ERR(devr->c0);
1208 devr->c0->device = &dev->ib_dev;
1209 devr->c0->uobject = NULL;
1210 devr->c0->comp_handler = NULL;
1211 devr->c0->event_handler = NULL;
1212 devr->c0->cq_context = NULL;
1213 atomic_set(&devr->c0->usecnt, 0);
1215 devr->x0 = mlx5_ib_alloc_xrcd(&dev->ib_dev, NULL, NULL);
1216 if (IS_ERR(devr->x0)) {
1217 ret = PTR_ERR(devr->x0);
1220 devr->x0->device = &dev->ib_dev;
1221 devr->x0->inode = NULL;
1222 atomic_set(&devr->x0->usecnt, 0);
1223 mutex_init(&devr->x0->tgt_qp_mutex);
1224 INIT_LIST_HEAD(&devr->x0->tgt_qp_list);
1226 devr->x1 = mlx5_ib_alloc_xrcd(&dev->ib_dev, NULL, NULL);
1227 if (IS_ERR(devr->x1)) {
1228 ret = PTR_ERR(devr->x1);
1231 devr->x1->device = &dev->ib_dev;
1232 devr->x1->inode = NULL;
1233 atomic_set(&devr->x1->usecnt, 0);
1234 mutex_init(&devr->x1->tgt_qp_mutex);
1235 INIT_LIST_HEAD(&devr->x1->tgt_qp_list);
1237 memset(&attr, 0, sizeof(attr));
1238 attr.attr.max_sge = 1;
1239 attr.attr.max_wr = 1;
1240 attr.srq_type = IB_SRQT_XRC;
1241 attr.ext.xrc.cq = devr->c0;
1242 attr.ext.xrc.xrcd = devr->x0;
1244 devr->s0 = mlx5_ib_create_srq(devr->p0, &attr, NULL);
1245 if (IS_ERR(devr->s0)) {
1246 ret = PTR_ERR(devr->s0);
1249 devr->s0->device = &dev->ib_dev;
1250 devr->s0->pd = devr->p0;
1251 devr->s0->uobject = NULL;
1252 devr->s0->event_handler = NULL;
1253 devr->s0->srq_context = NULL;
1254 devr->s0->srq_type = IB_SRQT_XRC;
1255 devr->s0->ext.xrc.xrcd = devr->x0;
1256 devr->s0->ext.xrc.cq = devr->c0;
1257 atomic_inc(&devr->s0->ext.xrc.xrcd->usecnt);
1258 atomic_inc(&devr->s0->ext.xrc.cq->usecnt);
1259 atomic_inc(&devr->p0->usecnt);
1260 atomic_set(&devr->s0->usecnt, 0);
1262 memset(&attr, 0, sizeof(attr));
1263 attr.attr.max_sge = 1;
1264 attr.attr.max_wr = 1;
1265 attr.srq_type = IB_SRQT_BASIC;
1266 devr->s1 = mlx5_ib_create_srq(devr->p0, &attr, NULL);
1267 if (IS_ERR(devr->s1)) {
1268 ret = PTR_ERR(devr->s1);
1271 devr->s1->device = &dev->ib_dev;
1272 devr->s1->pd = devr->p0;
1273 devr->s1->uobject = NULL;
1274 devr->s1->event_handler = NULL;
1275 devr->s1->srq_context = NULL;
1276 devr->s1->srq_type = IB_SRQT_BASIC;
1277 devr->s1->ext.xrc.cq = devr->c0;
1278 atomic_inc(&devr->p0->usecnt);
1279 atomic_set(&devr->s0->usecnt, 0);
1284 mlx5_ib_destroy_srq(devr->s0);
1286 mlx5_ib_dealloc_xrcd(devr->x1);
1288 mlx5_ib_dealloc_xrcd(devr->x0);
1290 mlx5_ib_destroy_cq(devr->c0);
1292 mlx5_ib_dealloc_pd(devr->p0);
1297 static void destroy_dev_resources(struct mlx5_ib_resources *devr)
1299 mlx5_ib_destroy_srq(devr->s1);
1300 mlx5_ib_destroy_srq(devr->s0);
1301 mlx5_ib_dealloc_xrcd(devr->x0);
1302 mlx5_ib_dealloc_xrcd(devr->x1);
1303 mlx5_ib_destroy_cq(devr->c0);
1304 mlx5_ib_dealloc_pd(devr->p0);
1307 static int mlx5_port_immutable(struct ib_device *ibdev, u8 port_num,
1308 struct ib_port_immutable *immutable)
1310 struct ib_port_attr attr;
1313 err = mlx5_ib_query_port(ibdev, port_num, &attr);
1317 immutable->pkey_tbl_len = attr.pkey_tbl_len;
1318 immutable->gid_tbl_len = attr.gid_tbl_len;
1319 immutable->core_cap_flags = RDMA_CORE_PORT_IBA_IB;
1320 immutable->max_mad_size = IB_MGMT_MAD_SIZE;
1325 static void *mlx5_ib_add(struct mlx5_core_dev *mdev)
1327 struct mlx5_ib_dev *dev;
1331 /* don't create IB instance over Eth ports, no RoCE yet! */
1332 if (MLX5_CAP_GEN(mdev, port_type) == MLX5_CAP_PORT_TYPE_ETH)
1335 printk_once(KERN_INFO "%s", mlx5_version);
1337 dev = (struct mlx5_ib_dev *)ib_alloc_device(sizeof(*dev));
1343 err = get_port_caps(dev);
1347 if (mlx5_use_mad_ifc(dev))
1348 get_ext_port_caps(dev);
1350 MLX5_INIT_DOORBELL_LOCK(&dev->uar_lock);
1352 strlcpy(dev->ib_dev.name, "mlx5_%d", IB_DEVICE_NAME_MAX);
1353 dev->ib_dev.owner = THIS_MODULE;
1354 dev->ib_dev.node_type = RDMA_NODE_IB_CA;
1355 dev->ib_dev.local_dma_lkey = 0 /* not supported for now */;
1356 dev->num_ports = MLX5_CAP_GEN(mdev, num_ports);
1357 dev->ib_dev.phys_port_cnt = dev->num_ports;
1358 dev->ib_dev.num_comp_vectors =
1359 dev->mdev->priv.eq_table.num_comp_vectors;
1360 dev->ib_dev.dma_device = &mdev->pdev->dev;
1362 dev->ib_dev.uverbs_abi_ver = MLX5_IB_UVERBS_ABI_VERSION;
1363 dev->ib_dev.uverbs_cmd_mask =
1364 (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) |
1365 (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) |
1366 (1ull << IB_USER_VERBS_CMD_QUERY_PORT) |
1367 (1ull << IB_USER_VERBS_CMD_ALLOC_PD) |
1368 (1ull << IB_USER_VERBS_CMD_DEALLOC_PD) |
1369 (1ull << IB_USER_VERBS_CMD_REG_MR) |
1370 (1ull << IB_USER_VERBS_CMD_DEREG_MR) |
1371 (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) |
1372 (1ull << IB_USER_VERBS_CMD_CREATE_CQ) |
1373 (1ull << IB_USER_VERBS_CMD_RESIZE_CQ) |
1374 (1ull << IB_USER_VERBS_CMD_DESTROY_CQ) |
1375 (1ull << IB_USER_VERBS_CMD_CREATE_QP) |
1376 (1ull << IB_USER_VERBS_CMD_MODIFY_QP) |
1377 (1ull << IB_USER_VERBS_CMD_QUERY_QP) |
1378 (1ull << IB_USER_VERBS_CMD_DESTROY_QP) |
1379 (1ull << IB_USER_VERBS_CMD_ATTACH_MCAST) |
1380 (1ull << IB_USER_VERBS_CMD_DETACH_MCAST) |
1381 (1ull << IB_USER_VERBS_CMD_CREATE_SRQ) |
1382 (1ull << IB_USER_VERBS_CMD_MODIFY_SRQ) |
1383 (1ull << IB_USER_VERBS_CMD_QUERY_SRQ) |
1384 (1ull << IB_USER_VERBS_CMD_DESTROY_SRQ) |
1385 (1ull << IB_USER_VERBS_CMD_CREATE_XSRQ) |
1386 (1ull << IB_USER_VERBS_CMD_OPEN_QP);
1387 dev->ib_dev.uverbs_ex_cmd_mask =
1388 (1ull << IB_USER_VERBS_EX_CMD_QUERY_DEVICE);
1390 dev->ib_dev.query_device = mlx5_ib_query_device;
1391 dev->ib_dev.query_port = mlx5_ib_query_port;
1392 dev->ib_dev.query_gid = mlx5_ib_query_gid;
1393 dev->ib_dev.query_pkey = mlx5_ib_query_pkey;
1394 dev->ib_dev.modify_device = mlx5_ib_modify_device;
1395 dev->ib_dev.modify_port = mlx5_ib_modify_port;
1396 dev->ib_dev.alloc_ucontext = mlx5_ib_alloc_ucontext;
1397 dev->ib_dev.dealloc_ucontext = mlx5_ib_dealloc_ucontext;
1398 dev->ib_dev.mmap = mlx5_ib_mmap;
1399 dev->ib_dev.alloc_pd = mlx5_ib_alloc_pd;
1400 dev->ib_dev.dealloc_pd = mlx5_ib_dealloc_pd;
1401 dev->ib_dev.create_ah = mlx5_ib_create_ah;
1402 dev->ib_dev.query_ah = mlx5_ib_query_ah;
1403 dev->ib_dev.destroy_ah = mlx5_ib_destroy_ah;
1404 dev->ib_dev.create_srq = mlx5_ib_create_srq;
1405 dev->ib_dev.modify_srq = mlx5_ib_modify_srq;
1406 dev->ib_dev.query_srq = mlx5_ib_query_srq;
1407 dev->ib_dev.destroy_srq = mlx5_ib_destroy_srq;
1408 dev->ib_dev.post_srq_recv = mlx5_ib_post_srq_recv;
1409 dev->ib_dev.create_qp = mlx5_ib_create_qp;
1410 dev->ib_dev.modify_qp = mlx5_ib_modify_qp;
1411 dev->ib_dev.query_qp = mlx5_ib_query_qp;
1412 dev->ib_dev.destroy_qp = mlx5_ib_destroy_qp;
1413 dev->ib_dev.post_send = mlx5_ib_post_send;
1414 dev->ib_dev.post_recv = mlx5_ib_post_recv;
1415 dev->ib_dev.create_cq = mlx5_ib_create_cq;
1416 dev->ib_dev.modify_cq = mlx5_ib_modify_cq;
1417 dev->ib_dev.resize_cq = mlx5_ib_resize_cq;
1418 dev->ib_dev.destroy_cq = mlx5_ib_destroy_cq;
1419 dev->ib_dev.poll_cq = mlx5_ib_poll_cq;
1420 dev->ib_dev.req_notify_cq = mlx5_ib_arm_cq;
1421 dev->ib_dev.get_dma_mr = mlx5_ib_get_dma_mr;
1422 dev->ib_dev.reg_user_mr = mlx5_ib_reg_user_mr;
1423 dev->ib_dev.dereg_mr = mlx5_ib_dereg_mr;
1424 dev->ib_dev.attach_mcast = mlx5_ib_mcg_attach;
1425 dev->ib_dev.detach_mcast = mlx5_ib_mcg_detach;
1426 dev->ib_dev.process_mad = mlx5_ib_process_mad;
1427 dev->ib_dev.alloc_mr = mlx5_ib_alloc_mr;
1428 dev->ib_dev.map_mr_sg = mlx5_ib_map_mr_sg;
1429 dev->ib_dev.check_mr_status = mlx5_ib_check_mr_status;
1430 dev->ib_dev.get_port_immutable = mlx5_port_immutable;
1432 mlx5_ib_internal_fill_odp_caps(dev);
1434 if (MLX5_CAP_GEN(mdev, xrc)) {
1435 dev->ib_dev.alloc_xrcd = mlx5_ib_alloc_xrcd;
1436 dev->ib_dev.dealloc_xrcd = mlx5_ib_dealloc_xrcd;
1437 dev->ib_dev.uverbs_cmd_mask |=
1438 (1ull << IB_USER_VERBS_CMD_OPEN_XRCD) |
1439 (1ull << IB_USER_VERBS_CMD_CLOSE_XRCD);
1442 err = init_node_data(dev);
1446 mutex_init(&dev->cap_mask_mutex);
1448 err = create_dev_resources(&dev->devr);
1452 err = mlx5_ib_odp_init_one(dev);
1456 err = ib_register_device(&dev->ib_dev, NULL);
1460 err = create_umr_res(dev);
1464 for (i = 0; i < ARRAY_SIZE(mlx5_class_attributes); i++) {
1465 err = device_create_file(&dev->ib_dev.dev,
1466 mlx5_class_attributes[i]);
1471 dev->ib_active = true;
1476 destroy_umrc_res(dev);
1479 ib_unregister_device(&dev->ib_dev);
1482 mlx5_ib_odp_remove_one(dev);
1485 destroy_dev_resources(&dev->devr);
1488 ib_dealloc_device((struct ib_device *)dev);
1493 static void mlx5_ib_remove(struct mlx5_core_dev *mdev, void *context)
1495 struct mlx5_ib_dev *dev = context;
1497 ib_unregister_device(&dev->ib_dev);
1498 destroy_umrc_res(dev);
1499 mlx5_ib_odp_remove_one(dev);
1500 destroy_dev_resources(&dev->devr);
1501 ib_dealloc_device(&dev->ib_dev);
1504 static struct mlx5_interface mlx5_ib_interface = {
1506 .remove = mlx5_ib_remove,
1507 .event = mlx5_ib_event,
1508 .protocol = MLX5_INTERFACE_PROTOCOL_IB,
1511 static int __init mlx5_ib_init(void)
1515 if (deprecated_prof_sel != 2)
1516 pr_warn("prof_sel is deprecated for mlx5_ib, set it for mlx5_core\n");
1518 err = mlx5_ib_odp_init();
1522 err = mlx5_register_interface(&mlx5_ib_interface);
1529 mlx5_ib_odp_cleanup();
1533 static void __exit mlx5_ib_cleanup(void)
1535 mlx5_unregister_interface(&mlx5_ib_interface);
1536 mlx5_ib_odp_cleanup();
1539 module_init(mlx5_ib_init);
1540 module_exit(mlx5_ib_cleanup);