drivers/infiniband/hw/efa/efa_com_cmd.c

   1 // SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
   2 /*
   3  * Copyright 2018-2024 Amazon.com, Inc. or its affiliates. All rights reserved.
   4  */
   5
   6 #include "efa_com.h"
   7 #include "efa_com_cmd.h"
   8
   9 int efa_com_create_qp(struct efa_com_dev *edev,
  10                       struct efa_com_create_qp_params *params,
  11                       struct efa_com_create_qp_result *res)
  12 {
  13         struct efa_admin_create_qp_cmd create_qp_cmd = {};
  14         struct efa_admin_create_qp_resp cmd_completion;
  15         struct efa_com_admin_queue *aq = &edev->aq;
  16         int err;
  17
  18         create_qp_cmd.aq_common_desc.opcode = EFA_ADMIN_CREATE_QP;
  19
  20         create_qp_cmd.pd = params->pd;
  21         create_qp_cmd.qp_type = params->qp_type;
  22         create_qp_cmd.rq_base_addr = params->rq_base_addr;
  23         create_qp_cmd.send_cq_idx = params->send_cq_idx;
  24         create_qp_cmd.recv_cq_idx = params->recv_cq_idx;
  25         create_qp_cmd.qp_alloc_size.send_queue_ring_size =
  26                 params->sq_ring_size_in_bytes;
  27         create_qp_cmd.qp_alloc_size.send_queue_depth =
  28                         params->sq_depth;
  29         create_qp_cmd.qp_alloc_size.recv_queue_ring_size =
  30                         params->rq_ring_size_in_bytes;
  31         create_qp_cmd.qp_alloc_size.recv_queue_depth =
  32                         params->rq_depth;
  33         create_qp_cmd.uar = params->uarn;
  34
  35         err = efa_com_cmd_exec(aq,
  36                                (struct efa_admin_aq_entry *)&create_qp_cmd,
  37                                sizeof(create_qp_cmd),
  38                                (struct efa_admin_acq_entry *)&cmd_completion,
  39                                sizeof(cmd_completion));
  40         if (err) {
  41                 ibdev_err_ratelimited(edev->efa_dev,
  42                                       "Failed to create qp [%d]\n", err);
  43                 return err;
  44         }
  45
  46         res->qp_handle = cmd_completion.qp_handle;
  47         res->qp_num = cmd_completion.qp_num;
  48         res->sq_db_offset = cmd_completion.sq_db_offset;
  49         res->rq_db_offset = cmd_completion.rq_db_offset;
  50         res->llq_descriptors_offset = cmd_completion.llq_descriptors_offset;
  51         res->send_sub_cq_idx = cmd_completion.send_sub_cq_idx;
  52         res->recv_sub_cq_idx = cmd_completion.recv_sub_cq_idx;
  53
  54         return 0;
  55 }
  56
  57 int efa_com_modify_qp(struct efa_com_dev *edev,
  58                       struct efa_com_modify_qp_params *params)
  59 {
  60         struct efa_com_admin_queue *aq = &edev->aq;
  61         struct efa_admin_modify_qp_cmd cmd = {};
  62         struct efa_admin_modify_qp_resp resp;
  63         int err;
  64
  65         cmd.aq_common_desc.opcode = EFA_ADMIN_MODIFY_QP;
  66         cmd.modify_mask = params->modify_mask;
  67         cmd.qp_handle = params->qp_handle;
  68         cmd.qp_state = params->qp_state;
  69         cmd.cur_qp_state = params->cur_qp_state;
  70         cmd.qkey = params->qkey;
  71         cmd.sq_psn = params->sq_psn;
  72         cmd.sq_drained_async_notify = params->sq_drained_async_notify;
  73         cmd.rnr_retry = params->rnr_retry;
  74
  75         err = efa_com_cmd_exec(aq,
  76                                (struct efa_admin_aq_entry *)&cmd,
  77                                sizeof(cmd),
  78                                (struct efa_admin_acq_entry *)&resp,
  79                                sizeof(resp));
  80         if (err) {
  81                 ibdev_err_ratelimited(
  82                         edev->efa_dev,
  83                         "Failed to modify qp-%u modify_mask[%#x] [%d]\n",
  84                         cmd.qp_handle, cmd.modify_mask, err);
  85                 return err;
  86         }
  87
  88         return 0;
  89 }
  90
  91 int efa_com_query_qp(struct efa_com_dev *edev,
  92                      struct efa_com_query_qp_params *params,
  93                      struct efa_com_query_qp_result *result)
  94 {
  95         struct efa_com_admin_queue *aq = &edev->aq;
  96         struct efa_admin_query_qp_cmd cmd = {};
  97         struct efa_admin_query_qp_resp resp;
  98         int err;
  99
 100         cmd.aq_common_desc.opcode = EFA_ADMIN_QUERY_QP;
 101         cmd.qp_handle = params->qp_handle;
 102
 103         err = efa_com_cmd_exec(aq,
 104                                (struct efa_admin_aq_entry *)&cmd,
 105                                sizeof(cmd),
 106                                (struct efa_admin_acq_entry *)&resp,
 107                                sizeof(resp));
 108         if (err) {
 109                 ibdev_err_ratelimited(edev->efa_dev,
 110                                       "Failed to query qp-%u [%d]\n",
 111                                       cmd.qp_handle, err);
 112                 return err;
 113         }
 114
 115         result->qp_state = resp.qp_state;
 116         result->qkey = resp.qkey;
 117         result->sq_draining = resp.sq_draining;
 118         result->sq_psn = resp.sq_psn;
 119         result->rnr_retry = resp.rnr_retry;
 120
 121         return 0;
 122 }
 123
 124 int efa_com_destroy_qp(struct efa_com_dev *edev,
 125                        struct efa_com_destroy_qp_params *params)
 126 {
 127         struct efa_admin_destroy_qp_resp cmd_completion;
 128         struct efa_admin_destroy_qp_cmd qp_cmd = {};
 129         struct efa_com_admin_queue *aq = &edev->aq;
 130         int err;
 131
 132         qp_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_QP;
 133         qp_cmd.qp_handle = params->qp_handle;
 134
 135         err = efa_com_cmd_exec(aq,
 136                                (struct efa_admin_aq_entry *)&qp_cmd,
 137                                sizeof(qp_cmd),
 138                                (struct efa_admin_acq_entry *)&cmd_completion,
 139                                sizeof(cmd_completion));
 140         if (err) {
 141                 ibdev_err_ratelimited(edev->efa_dev,
 142                                       "Failed to destroy qp-%u [%d]\n",
 143                                       qp_cmd.qp_handle, err);
 144                 return err;
 145         }
 146
 147         return 0;
 148 }
 149
 150 int efa_com_create_cq(struct efa_com_dev *edev,
 151                       struct efa_com_create_cq_params *params,
 152                       struct efa_com_create_cq_result *result)
 153 {
 154         struct efa_admin_create_cq_resp cmd_completion = {};
 155         struct efa_admin_create_cq_cmd create_cmd = {};
 156         struct efa_com_admin_queue *aq = &edev->aq;
 157         int err;
 158
 159         create_cmd.aq_common_desc.opcode = EFA_ADMIN_CREATE_CQ;
 160         EFA_SET(&create_cmd.cq_caps_2,
 161                 EFA_ADMIN_CREATE_CQ_CMD_CQ_ENTRY_SIZE_WORDS,
 162                 params->entry_size_in_bytes / 4);
 163         create_cmd.cq_depth = params->cq_depth;
 164         create_cmd.num_sub_cqs = params->num_sub_cqs;
 165         create_cmd.uar = params->uarn;
 166         if (params->interrupt_mode_enabled) {
 167                 EFA_SET(&create_cmd.cq_caps_1,
 168                         EFA_ADMIN_CREATE_CQ_CMD_INTERRUPT_MODE_ENABLED, 1);
 169                 create_cmd.eqn = params->eqn;
 170         }
 171         if (params->set_src_addr) {
 172                 EFA_SET(&create_cmd.cq_caps_2,
 173                         EFA_ADMIN_CREATE_CQ_CMD_SET_SRC_ADDR, 1);
 174         }
 175         efa_com_set_dma_addr(params->dma_addr,
 176                              &create_cmd.cq_ba.mem_addr_high,
 177                              &create_cmd.cq_ba.mem_addr_low);
 178
 179         err = efa_com_cmd_exec(aq,
 180                                (struct efa_admin_aq_entry *)&create_cmd,
 181                                sizeof(create_cmd),
 182                                (struct efa_admin_acq_entry *)&cmd_completion,
 183                                sizeof(cmd_completion));
 184         if (err) {
 185                 ibdev_err_ratelimited(edev->efa_dev,
 186                                       "Failed to create cq[%d]\n", err);
 187                 return err;
 188         }
 189
 190         result->cq_idx = cmd_completion.cq_idx;
 191         result->actual_depth = params->cq_depth;
 192         result->db_off = cmd_completion.db_offset;
 193         result->db_valid = EFA_GET(&cmd_completion.flags,
 194                                    EFA_ADMIN_CREATE_CQ_RESP_DB_VALID);
 195
 196         return 0;
 197 }
 198
 199 int efa_com_destroy_cq(struct efa_com_dev *edev,
 200                        struct efa_com_destroy_cq_params *params)
 201 {
 202         struct efa_admin_destroy_cq_cmd destroy_cmd = {};
 203         struct efa_admin_destroy_cq_resp destroy_resp;
 204         struct efa_com_admin_queue *aq = &edev->aq;
 205         int err;
 206
 207         destroy_cmd.cq_idx = params->cq_idx;
 208         destroy_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_CQ;
 209
 210         err = efa_com_cmd_exec(aq,
 211                                (struct efa_admin_aq_entry *)&destroy_cmd,
 212                                sizeof(destroy_cmd),
 213                                (struct efa_admin_acq_entry *)&destroy_resp,
 214                                sizeof(destroy_resp));
 215
 216         if (err) {
 217                 ibdev_err_ratelimited(edev->efa_dev,
 218                                       "Failed to destroy CQ-%u [%d]\n",
 219                                       params->cq_idx, err);
 220                 return err;
 221         }
 222
 223         return 0;
 224 }
 225
 226 int efa_com_register_mr(struct efa_com_dev *edev,
 227                         struct efa_com_reg_mr_params *params,
 228                         struct efa_com_reg_mr_result *result)
 229 {
 230         struct efa_admin_reg_mr_resp cmd_completion;
 231         struct efa_com_admin_queue *aq = &edev->aq;
 232         struct efa_admin_reg_mr_cmd mr_cmd = {};
 233         int err;
 234
 235         mr_cmd.aq_common_desc.opcode = EFA_ADMIN_REG_MR;
 236         mr_cmd.pd = params->pd;
 237         mr_cmd.mr_length = params->mr_length_in_bytes;
 238         EFA_SET(&mr_cmd.flags, EFA_ADMIN_REG_MR_CMD_PHYS_PAGE_SIZE_SHIFT,
 239                 params->page_shift);
 240         mr_cmd.iova = params->iova;
 241         mr_cmd.permissions = params->permissions;
 242
 243         if (params->inline_pbl) {
 244                 memcpy(mr_cmd.pbl.inline_pbl_array,
 245                        params->pbl.inline_pbl_array,
 246                        sizeof(mr_cmd.pbl.inline_pbl_array));
 247         } else {
 248                 mr_cmd.pbl.pbl.length = params->pbl.pbl.length;
 249                 mr_cmd.pbl.pbl.address.mem_addr_low =
 250                         params->pbl.pbl.address.mem_addr_low;
 251                 mr_cmd.pbl.pbl.address.mem_addr_high =
 252                         params->pbl.pbl.address.mem_addr_high;
 253                 EFA_SET(&mr_cmd.aq_common_desc.flags,
 254                         EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA, 1);
 255                 if (params->indirect)
 256                         EFA_SET(&mr_cmd.aq_common_desc.flags,
 257                                 EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT, 1);
 258         }
 259
 260         err = efa_com_cmd_exec(aq,
 261                                (struct efa_admin_aq_entry *)&mr_cmd,
 262                                sizeof(mr_cmd),
 263                                (struct efa_admin_acq_entry *)&cmd_completion,
 264                                sizeof(cmd_completion));
 265         if (err) {
 266                 ibdev_err_ratelimited(edev->efa_dev,
 267                                       "Failed to register mr [%d]\n", err);
 268                 return err;
 269         }
 270
 271         result->l_key = cmd_completion.l_key;
 272         result->r_key = cmd_completion.r_key;
 273         result->ic_info.recv_ic_id = cmd_completion.recv_ic_id;
 274         result->ic_info.rdma_read_ic_id = cmd_completion.rdma_read_ic_id;
 275         result->ic_info.rdma_recv_ic_id = cmd_completion.rdma_recv_ic_id;
 276         result->ic_info.recv_ic_id_valid = EFA_GET(&cmd_completion.validity,
 277                                                    EFA_ADMIN_REG_MR_RESP_RECV_IC_ID);
 278         result->ic_info.rdma_read_ic_id_valid = EFA_GET(&cmd_completion.validity,
 279                                                         EFA_ADMIN_REG_MR_RESP_RDMA_READ_IC_ID);
 280         result->ic_info.rdma_recv_ic_id_valid = EFA_GET(&cmd_completion.validity,
 281                                                         EFA_ADMIN_REG_MR_RESP_RDMA_RECV_IC_ID);
 282
 283         return 0;
 284 }
 285
 286 int efa_com_dereg_mr(struct efa_com_dev *edev,
 287                      struct efa_com_dereg_mr_params *params)
 288 {
 289         struct efa_admin_dereg_mr_resp cmd_completion;
 290         struct efa_com_admin_queue *aq = &edev->aq;
 291         struct efa_admin_dereg_mr_cmd mr_cmd = {};
 292         int err;
 293
 294         mr_cmd.aq_common_desc.opcode = EFA_ADMIN_DEREG_MR;
 295         mr_cmd.l_key = params->l_key;
 296
 297         err = efa_com_cmd_exec(aq,
 298                                (struct efa_admin_aq_entry *)&mr_cmd,
 299                                sizeof(mr_cmd),
 300                                (struct efa_admin_acq_entry *)&cmd_completion,
 301                                sizeof(cmd_completion));
 302         if (err) {
 303                 ibdev_err_ratelimited(edev->efa_dev,
 304                                       "Failed to de-register mr(lkey-%u) [%d]\n",
 305                                       mr_cmd.l_key, err);
 306                 return err;
 307         }
 308
 309         return 0;
 310 }
 311
 312 int efa_com_create_ah(struct efa_com_dev *edev,
 313                       struct efa_com_create_ah_params *params,
 314                       struct efa_com_create_ah_result *result)
 315 {
 316         struct efa_admin_create_ah_resp cmd_completion;
 317         struct efa_com_admin_queue *aq = &edev->aq;
 318         struct efa_admin_create_ah_cmd ah_cmd = {};
 319         int err;
 320
 321         ah_cmd.aq_common_desc.opcode = EFA_ADMIN_CREATE_AH;
 322
 323         memcpy(ah_cmd.dest_addr, params->dest_addr, sizeof(ah_cmd.dest_addr));
 324         ah_cmd.pd = params->pdn;
 325
 326         err = efa_com_cmd_exec(aq,
 327                                (struct efa_admin_aq_entry *)&ah_cmd,
 328                                sizeof(ah_cmd),
 329                                (struct efa_admin_acq_entry *)&cmd_completion,
 330                                sizeof(cmd_completion));
 331         if (err) {
 332                 ibdev_err_ratelimited(edev->efa_dev,
 333                                       "Failed to create ah for %pI6 [%d]\n",
 334                                       ah_cmd.dest_addr, err);
 335                 return err;
 336         }
 337
 338         result->ah = cmd_completion.ah;
 339
 340         return 0;
 341 }
 342
 343 int efa_com_destroy_ah(struct efa_com_dev *edev,
 344                        struct efa_com_destroy_ah_params *params)
 345 {
 346         struct efa_admin_destroy_ah_resp cmd_completion;
 347         struct efa_admin_destroy_ah_cmd ah_cmd = {};
 348         struct efa_com_admin_queue *aq = &edev->aq;
 349         int err;
 350
 351         ah_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_AH;
 352         ah_cmd.ah = params->ah;
 353         ah_cmd.pd = params->pdn;
 354
 355         err = efa_com_cmd_exec(aq,
 356                                (struct efa_admin_aq_entry *)&ah_cmd,
 357                                sizeof(ah_cmd),
 358                                (struct efa_admin_acq_entry *)&cmd_completion,
 359                                sizeof(cmd_completion));
 360         if (err) {
 361                 ibdev_err_ratelimited(edev->efa_dev,
 362                                       "Failed to destroy ah-%d pd-%d [%d]\n",
 363                                       ah_cmd.ah, ah_cmd.pd, err);
 364                 return err;
 365         }
 366
 367         return 0;
 368 }
 369
 370 bool
 371 efa_com_check_supported_feature_id(struct efa_com_dev *edev,
 372                                    enum efa_admin_aq_feature_id feature_id)
 373 {
 374         u32 feature_mask = 1 << feature_id;
 375
 376         /* Device attributes is always supported */
 377         if (feature_id != EFA_ADMIN_DEVICE_ATTR &&
 378             !(edev->supported_features & feature_mask))
 379                 return false;
 380
 381         return true;
 382 }
 383
 384 static int efa_com_get_feature_ex(struct efa_com_dev *edev,
 385                                   struct efa_admin_get_feature_resp *get_resp,
 386                                   enum efa_admin_aq_feature_id feature_id,
 387                                   dma_addr_t control_buf_dma_addr,
 388                                   u32 control_buff_size)
 389 {
 390         struct efa_admin_get_feature_cmd get_cmd = {};
 391         struct efa_com_admin_queue *aq;
 392         int err;
 393
 394         if (!efa_com_check_supported_feature_id(edev, feature_id)) {
 395                 ibdev_err_ratelimited(edev->efa_dev,
 396                                       "Feature %d isn't supported\n",
 397                                       feature_id);
 398                 return -EOPNOTSUPP;
 399         }
 400
 401         aq = &edev->aq;
 402
 403         get_cmd.aq_common_descriptor.opcode = EFA_ADMIN_GET_FEATURE;
 404
 405         if (control_buff_size)
 406                 EFA_SET(&get_cmd.aq_common_descriptor.flags,
 407                         EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA, 1);
 408
 409         efa_com_set_dma_addr(control_buf_dma_addr,
 410                              &get_cmd.control_buffer.address.mem_addr_high,
 411                              &get_cmd.control_buffer.address.mem_addr_low);
 412
 413         get_cmd.control_buffer.length = control_buff_size;
 414         get_cmd.feature_common.feature_id = feature_id;
 415         err = efa_com_cmd_exec(aq,
 416                                (struct efa_admin_aq_entry *)
 417                                &get_cmd,
 418                                sizeof(get_cmd),
 419                                (struct efa_admin_acq_entry *)
 420                                get_resp,
 421                                sizeof(*get_resp));
 422
 423         if (err) {
 424                 ibdev_err_ratelimited(
 425                         edev->efa_dev,
 426                         "Failed to submit get_feature command %d [%d]\n",
 427                         feature_id, err);
 428                 return err;
 429         }
 430
 431         return 0;
 432 }
 433
 434 static int efa_com_get_feature(struct efa_com_dev *edev,
 435                                struct efa_admin_get_feature_resp *get_resp,
 436                                enum efa_admin_aq_feature_id feature_id)
 437 {
 438         return efa_com_get_feature_ex(edev, get_resp, feature_id, 0, 0);
 439 }
 440
 441 int efa_com_get_device_attr(struct efa_com_dev *edev,
 442                             struct efa_com_get_device_attr_result *result)
 443 {
 444         struct efa_admin_get_feature_resp resp;
 445         int err;
 446
 447         err = efa_com_get_feature(edev, &resp, EFA_ADMIN_DEVICE_ATTR);
 448         if (err) {
 449                 ibdev_err_ratelimited(edev->efa_dev,
 450                                       "Failed to get device attributes %d\n",
 451                                       err);
 452                 return err;
 453         }
 454
 455         result->page_size_cap = resp.u.device_attr.page_size_cap;
 456         result->fw_version = resp.u.device_attr.fw_version;
 457         result->admin_api_version = resp.u.device_attr.admin_api_version;
 458         result->device_version = resp.u.device_attr.device_version;
 459         result->supported_features = resp.u.device_attr.supported_features;
 460         result->phys_addr_width = resp.u.device_attr.phys_addr_width;
 461         result->virt_addr_width = resp.u.device_attr.virt_addr_width;
 462         result->db_bar = resp.u.device_attr.db_bar;
 463         result->max_rdma_size = resp.u.device_attr.max_rdma_size;
 464         result->device_caps = resp.u.device_attr.device_caps;
 465
 466         if (result->admin_api_version < 1) {
 467                 ibdev_err_ratelimited(
 468                         edev->efa_dev,
 469                         "Failed to get device attr api version [%u < 1]\n",
 470                         result->admin_api_version);
 471                 return -EINVAL;
 472         }
 473
 474         edev->supported_features = resp.u.device_attr.supported_features;
 475         err = efa_com_get_feature(edev, &resp,
 476                                   EFA_ADMIN_QUEUE_ATTR);
 477         if (err) {
 478                 ibdev_err_ratelimited(edev->efa_dev,
 479                                       "Failed to get queue attributes %d\n",
 480                                       err);
 481                 return err;
 482         }
 483
 484         result->max_qp = resp.u.queue_attr.max_qp;
 485         result->max_sq_depth = resp.u.queue_attr.max_sq_depth;
 486         result->max_rq_depth = resp.u.queue_attr.max_rq_depth;
 487         result->max_cq = resp.u.queue_attr.max_cq;
 488         result->max_cq_depth = resp.u.queue_attr.max_cq_depth;
 489         result->inline_buf_size = resp.u.queue_attr.inline_buf_size;
 490         result->max_sq_sge = resp.u.queue_attr.max_wr_send_sges;
 491         result->max_rq_sge = resp.u.queue_attr.max_wr_recv_sges;
 492         result->max_mr = resp.u.queue_attr.max_mr;
 493         result->max_mr_pages = resp.u.queue_attr.max_mr_pages;
 494         result->max_pd = resp.u.queue_attr.max_pd;
 495         result->max_ah = resp.u.queue_attr.max_ah;
 496         result->max_llq_size = resp.u.queue_attr.max_llq_size;
 497         result->sub_cqs_per_cq = resp.u.queue_attr.sub_cqs_per_cq;
 498         result->max_wr_rdma_sge = resp.u.queue_attr.max_wr_rdma_sges;
 499         result->max_tx_batch = resp.u.queue_attr.max_tx_batch;
 500         result->min_sq_depth = resp.u.queue_attr.min_sq_depth;
 501
 502         err = efa_com_get_feature(edev, &resp, EFA_ADMIN_NETWORK_ATTR);
 503         if (err) {
 504                 ibdev_err_ratelimited(edev->efa_dev,
 505                                       "Failed to get network attributes %d\n",
 506                                       err);
 507                 return err;
 508         }
 509
 510         memcpy(result->addr, resp.u.network_attr.addr,
 511                sizeof(resp.u.network_attr.addr));
 512         result->mtu = resp.u.network_attr.mtu;
 513
 514         if (efa_com_check_supported_feature_id(edev,
 515                                                EFA_ADMIN_EVENT_QUEUE_ATTR)) {
 516                 err = efa_com_get_feature(edev, &resp,
 517                                           EFA_ADMIN_EVENT_QUEUE_ATTR);
 518                 if (err) {
 519                         ibdev_err_ratelimited(
 520                                 edev->efa_dev,
 521                                 "Failed to get event queue attributes %d\n",
 522                                 err);
 523                         return err;
 524                 }
 525
 526                 result->max_eq = resp.u.event_queue_attr.max_eq;
 527                 result->max_eq_depth = resp.u.event_queue_attr.max_eq_depth;
 528                 result->event_bitmask = resp.u.event_queue_attr.event_bitmask;
 529         }
 530
 531         return 0;
 532 }
 533
 534 int efa_com_get_hw_hints(struct efa_com_dev *edev,
 535                          struct efa_com_get_hw_hints_result *result)
 536 {
 537         struct efa_admin_get_feature_resp resp;
 538         int err;
 539
 540         err = efa_com_get_feature(edev, &resp, EFA_ADMIN_HW_HINTS);
 541         if (err) {
 542                 ibdev_err_ratelimited(edev->efa_dev,
 543                                       "Failed to get hw hints %d\n", err);
 544                 return err;
 545         }
 546
 547         result->admin_completion_timeout = resp.u.hw_hints.admin_completion_timeout;
 548         result->driver_watchdog_timeout = resp.u.hw_hints.driver_watchdog_timeout;
 549         result->mmio_read_timeout = resp.u.hw_hints.mmio_read_timeout;
 550         result->poll_interval = resp.u.hw_hints.poll_interval;
 551
 552         return 0;
 553 }
 554
 555 int efa_com_set_feature_ex(struct efa_com_dev *edev,
 556                            struct efa_admin_set_feature_resp *set_resp,
 557                            struct efa_admin_set_feature_cmd *set_cmd,
 558                            enum efa_admin_aq_feature_id feature_id,
 559                            dma_addr_t control_buf_dma_addr,
 560                            u32 control_buff_size)
 561 {
 562         struct efa_com_admin_queue *aq;
 563         int err;
 564
 565         if (!efa_com_check_supported_feature_id(edev, feature_id)) {
 566                 ibdev_err_ratelimited(edev->efa_dev,
 567                                       "Feature %d isn't supported\n",
 568                                       feature_id);
 569                 return -EOPNOTSUPP;
 570         }
 571
 572         aq = &edev->aq;
 573
 574         set_cmd->aq_common_descriptor.opcode = EFA_ADMIN_SET_FEATURE;
 575         if (control_buff_size) {
 576                 set_cmd->aq_common_descriptor.flags = 0;
 577                 EFA_SET(&set_cmd->aq_common_descriptor.flags,
 578                         EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA, 1);
 579                 efa_com_set_dma_addr(control_buf_dma_addr,
 580                                      &set_cmd->control_buffer.address.mem_addr_high,
 581                                      &set_cmd->control_buffer.address.mem_addr_low);
 582         }
 583
 584         set_cmd->control_buffer.length = control_buff_size;
 585         set_cmd->feature_common.feature_id = feature_id;
 586         err = efa_com_cmd_exec(aq,
 587                                (struct efa_admin_aq_entry *)set_cmd,
 588                                sizeof(*set_cmd),
 589                                (struct efa_admin_acq_entry *)set_resp,
 590                                sizeof(*set_resp));
 591
 592         if (err) {
 593                 ibdev_err_ratelimited(
 594                         edev->efa_dev,
 595                         "Failed to submit set_feature command %d error: %d\n",
 596                         feature_id, err);
 597                 return err;
 598         }
 599
 600         return 0;
 601 }
 602
 603 static int efa_com_set_feature(struct efa_com_dev *edev,
 604                                struct efa_admin_set_feature_resp *set_resp,
 605                                struct efa_admin_set_feature_cmd *set_cmd,
 606                                enum efa_admin_aq_feature_id feature_id)
 607 {
 608         return efa_com_set_feature_ex(edev, set_resp, set_cmd, feature_id,
 609                                       0, 0);
 610 }
 611
 612 int efa_com_set_aenq_config(struct efa_com_dev *edev, u32 groups)
 613 {
 614         struct efa_admin_get_feature_resp get_resp;
 615         struct efa_admin_set_feature_resp set_resp;
 616         struct efa_admin_set_feature_cmd cmd = {};
 617         int err;
 618
 619         ibdev_dbg(edev->efa_dev, "Configuring aenq with groups[%#x]\n", groups);
 620
 621         err = efa_com_get_feature(edev, &get_resp, EFA_ADMIN_AENQ_CONFIG);
 622         if (err) {
 623                 ibdev_err_ratelimited(edev->efa_dev,
 624                                       "Failed to get aenq attributes: %d\n",
 625                                       err);
 626                 return err;
 627         }
 628
 629         ibdev_dbg(edev->efa_dev,
 630                   "Get aenq groups: supported[%#x] enabled[%#x]\n",
 631                   get_resp.u.aenq.supported_groups,
 632                   get_resp.u.aenq.enabled_groups);
 633
 634         if ((get_resp.u.aenq.supported_groups & groups) != groups) {
 635                 ibdev_err_ratelimited(
 636                         edev->efa_dev,
 637                         "Trying to set unsupported aenq groups[%#x] supported[%#x]\n",
 638                         groups, get_resp.u.aenq.supported_groups);
 639                 return -EOPNOTSUPP;
 640         }
 641
 642         cmd.u.aenq.enabled_groups = groups;
 643         err = efa_com_set_feature(edev, &set_resp, &cmd,
 644                                   EFA_ADMIN_AENQ_CONFIG);
 645         if (err) {
 646                 ibdev_err_ratelimited(edev->efa_dev,
 647                                       "Failed to set aenq attributes: %d\n",
 648                                       err);
 649                 return err;
 650         }
 651
 652         return 0;
 653 }
 654
 655 int efa_com_alloc_pd(struct efa_com_dev *edev,
 656                      struct efa_com_alloc_pd_result *result)
 657 {
 658         struct efa_com_admin_queue *aq = &edev->aq;
 659         struct efa_admin_alloc_pd_cmd cmd = {};
 660         struct efa_admin_alloc_pd_resp resp;
 661         int err;
 662
 663         cmd.aq_common_descriptor.opcode = EFA_ADMIN_ALLOC_PD;
 664
 665         err = efa_com_cmd_exec(aq,
 666                                (struct efa_admin_aq_entry *)&cmd,
 667                                sizeof(cmd),
 668                                (struct efa_admin_acq_entry *)&resp,
 669                                sizeof(resp));
 670         if (err) {
 671                 ibdev_err_ratelimited(edev->efa_dev,
 672                                       "Failed to allocate pd[%d]\n", err);
 673                 return err;
 674         }
 675
 676         result->pdn = resp.pd;
 677
 678         return 0;
 679 }
 680
 681 int efa_com_dealloc_pd(struct efa_com_dev *edev,
 682                        struct efa_com_dealloc_pd_params *params)
 683 {
 684         struct efa_com_admin_queue *aq = &edev->aq;
 685         struct efa_admin_dealloc_pd_cmd cmd = {};
 686         struct efa_admin_dealloc_pd_resp resp;
 687         int err;
 688
 689         cmd.aq_common_descriptor.opcode = EFA_ADMIN_DEALLOC_PD;
 690         cmd.pd = params->pdn;
 691
 692         err = efa_com_cmd_exec(aq,
 693                                (struct efa_admin_aq_entry *)&cmd,
 694                                sizeof(cmd),
 695                                (struct efa_admin_acq_entry *)&resp,
 696                                sizeof(resp));
 697         if (err) {
 698                 ibdev_err_ratelimited(edev->efa_dev,
 699                                       "Failed to deallocate pd-%u [%d]\n",
 700                                       cmd.pd, err);
 701                 return err;
 702         }
 703
 704         return 0;
 705 }
 706
 707 int efa_com_alloc_uar(struct efa_com_dev *edev,
 708                       struct efa_com_alloc_uar_result *result)
 709 {
 710         struct efa_com_admin_queue *aq = &edev->aq;
 711         struct efa_admin_alloc_uar_cmd cmd = {};
 712         struct efa_admin_alloc_uar_resp resp;
 713         int err;
 714
 715         cmd.aq_common_descriptor.opcode = EFA_ADMIN_ALLOC_UAR;
 716
 717         err = efa_com_cmd_exec(aq,
 718                                (struct efa_admin_aq_entry *)&cmd,
 719                                sizeof(cmd),
 720                                (struct efa_admin_acq_entry *)&resp,
 721                                sizeof(resp));
 722         if (err) {
 723                 ibdev_err_ratelimited(edev->efa_dev,
 724                                       "Failed to allocate uar[%d]\n", err);
 725                 return err;
 726         }
 727
 728         result->uarn = resp.uar;
 729
 730         return 0;
 731 }
 732
 733 int efa_com_dealloc_uar(struct efa_com_dev *edev,
 734                         struct efa_com_dealloc_uar_params *params)
 735 {
 736         struct efa_com_admin_queue *aq = &edev->aq;
 737         struct efa_admin_dealloc_uar_cmd cmd = {};
 738         struct efa_admin_dealloc_uar_resp resp;
 739         int err;
 740
 741         cmd.aq_common_descriptor.opcode = EFA_ADMIN_DEALLOC_UAR;
 742         cmd.uar = params->uarn;
 743
 744         err = efa_com_cmd_exec(aq,
 745                                (struct efa_admin_aq_entry *)&cmd,
 746                                sizeof(cmd),
 747                                (struct efa_admin_acq_entry *)&resp,
 748                                sizeof(resp));
 749         if (err) {
 750                 ibdev_err_ratelimited(edev->efa_dev,
 751                                       "Failed to deallocate uar-%u [%d]\n",
 752                                       cmd.uar, err);
 753                 return err;
 754         }
 755
 756         return 0;
 757 }
 758
 759 int efa_com_get_stats(struct efa_com_dev *edev,
 760                       struct efa_com_get_stats_params *params,
 761                       union efa_com_get_stats_result *result)
 762 {
 763         struct efa_com_admin_queue *aq = &edev->aq;
 764         struct efa_admin_aq_get_stats_cmd cmd = {};
 765         struct efa_admin_acq_get_stats_resp resp;
 766         int err;
 767
 768         cmd.aq_common_descriptor.opcode = EFA_ADMIN_GET_STATS;
 769         cmd.type = params->type;
 770         cmd.scope = params->scope;
 771         cmd.scope_modifier = params->scope_modifier;
 772
 773         err = efa_com_cmd_exec(aq,
 774                                (struct efa_admin_aq_entry *)&cmd,
 775                                sizeof(cmd),
 776                                (struct efa_admin_acq_entry *)&resp,
 777                                sizeof(resp));
 778         if (err) {
 779                 ibdev_err_ratelimited(
 780                         edev->efa_dev,
 781                         "Failed to get stats type-%u scope-%u.%u [%d]\n",
 782                         cmd.type, cmd.scope, cmd.scope_modifier, err);
 783                 return err;
 784         }
 785
 786         switch (cmd.type) {
 787         case EFA_ADMIN_GET_STATS_TYPE_BASIC:
 788                 result->basic_stats.tx_bytes = resp.u.basic_stats.tx_bytes;
 789                 result->basic_stats.tx_pkts = resp.u.basic_stats.tx_pkts;
 790                 result->basic_stats.rx_bytes = resp.u.basic_stats.rx_bytes;
 791                 result->basic_stats.rx_pkts = resp.u.basic_stats.rx_pkts;
 792                 result->basic_stats.rx_drops = resp.u.basic_stats.rx_drops;
 793                 break;
 794         case EFA_ADMIN_GET_STATS_TYPE_MESSAGES:
 795                 result->messages_stats.send_bytes = resp.u.messages_stats.send_bytes;
 796                 result->messages_stats.send_wrs = resp.u.messages_stats.send_wrs;
 797                 result->messages_stats.recv_bytes = resp.u.messages_stats.recv_bytes;
 798                 result->messages_stats.recv_wrs = resp.u.messages_stats.recv_wrs;
 799                 break;
 800         case EFA_ADMIN_GET_STATS_TYPE_RDMA_READ:
 801                 result->rdma_read_stats.read_wrs = resp.u.rdma_read_stats.read_wrs;
 802                 result->rdma_read_stats.read_bytes = resp.u.rdma_read_stats.read_bytes;
 803                 result->rdma_read_stats.read_wr_err = resp.u.rdma_read_stats.read_wr_err;
 804                 result->rdma_read_stats.read_resp_bytes = resp.u.rdma_read_stats.read_resp_bytes;
 805                 break;
 806         case EFA_ADMIN_GET_STATS_TYPE_RDMA_WRITE:
 807                 result->rdma_write_stats.write_wrs = resp.u.rdma_write_stats.write_wrs;
 808                 result->rdma_write_stats.write_bytes = resp.u.rdma_write_stats.write_bytes;
 809                 result->rdma_write_stats.write_wr_err = resp.u.rdma_write_stats.write_wr_err;
 810                 result->rdma_write_stats.write_recv_bytes = resp.u.rdma_write_stats.write_recv_bytes;
 811                 break;
 812         }
 813
 814         return 0;
 815 }