drivers/infiniband/hw/efa/efa_com_cmd.c

   1 // SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
   2 /*
   3  * Copyright 2018-2020 Amazon.com, Inc. or its affiliates. All rights reserved.
   4  */
   5
   6 #include "efa_com.h"
   7 #include "efa_com_cmd.h"
   8
   9 void efa_com_set_dma_addr(dma_addr_t addr, u32 *addr_high, u32 *addr_low)
  10 {
  11         *addr_low = lower_32_bits(addr);
  12         *addr_high = upper_32_bits(addr);
  13 }
  14
  15 int efa_com_create_qp(struct efa_com_dev *edev,
  16                       struct efa_com_create_qp_params *params,
  17                       struct efa_com_create_qp_result *res)
  18 {
  19         struct efa_admin_create_qp_cmd create_qp_cmd = {};
  20         struct efa_admin_create_qp_resp cmd_completion;
  21         struct efa_com_admin_queue *aq = &edev->aq;
  22         int err;
  23
  24         create_qp_cmd.aq_common_desc.opcode = EFA_ADMIN_CREATE_QP;
  25
  26         create_qp_cmd.pd = params->pd;
  27         create_qp_cmd.qp_type = params->qp_type;
  28         create_qp_cmd.rq_base_addr = params->rq_base_addr;
  29         create_qp_cmd.send_cq_idx = params->send_cq_idx;
  30         create_qp_cmd.recv_cq_idx = params->recv_cq_idx;
  31         create_qp_cmd.qp_alloc_size.send_queue_ring_size =
  32                 params->sq_ring_size_in_bytes;
  33         create_qp_cmd.qp_alloc_size.send_queue_depth =
  34                         params->sq_depth;
  35         create_qp_cmd.qp_alloc_size.recv_queue_ring_size =
  36                         params->rq_ring_size_in_bytes;
  37         create_qp_cmd.qp_alloc_size.recv_queue_depth =
  38                         params->rq_depth;
  39         create_qp_cmd.uar = params->uarn;
  40
  41         err = efa_com_cmd_exec(aq,
  42                                (struct efa_admin_aq_entry *)&create_qp_cmd,
  43                                sizeof(create_qp_cmd),
  44                                (struct efa_admin_acq_entry *)&cmd_completion,
  45                                sizeof(cmd_completion));
  46         if (err) {
  47                 ibdev_err_ratelimited(edev->efa_dev,
  48                                       "Failed to create qp [%d]\n", err);
  49                 return err;
  50         }
  51
  52         res->qp_handle = cmd_completion.qp_handle;
  53         res->qp_num = cmd_completion.qp_num;
  54         res->sq_db_offset = cmd_completion.sq_db_offset;
  55         res->rq_db_offset = cmd_completion.rq_db_offset;
  56         res->llq_descriptors_offset = cmd_completion.llq_descriptors_offset;
  57         res->send_sub_cq_idx = cmd_completion.send_sub_cq_idx;
  58         res->recv_sub_cq_idx = cmd_completion.recv_sub_cq_idx;
  59
  60         return 0;
  61 }
  62
  63 int efa_com_modify_qp(struct efa_com_dev *edev,
  64                       struct efa_com_modify_qp_params *params)
  65 {
  66         struct efa_com_admin_queue *aq = &edev->aq;
  67         struct efa_admin_modify_qp_cmd cmd = {};
  68         struct efa_admin_modify_qp_resp resp;
  69         int err;
  70
  71         cmd.aq_common_desc.opcode = EFA_ADMIN_MODIFY_QP;
  72         cmd.modify_mask = params->modify_mask;
  73         cmd.qp_handle = params->qp_handle;
  74         cmd.qp_state = params->qp_state;
  75         cmd.cur_qp_state = params->cur_qp_state;
  76         cmd.qkey = params->qkey;
  77         cmd.sq_psn = params->sq_psn;
  78         cmd.sq_drained_async_notify = params->sq_drained_async_notify;
  79         cmd.rnr_retry = params->rnr_retry;
  80
  81         err = efa_com_cmd_exec(aq,
  82                                (struct efa_admin_aq_entry *)&cmd,
  83                                sizeof(cmd),
  84                                (struct efa_admin_acq_entry *)&resp,
  85                                sizeof(resp));
  86         if (err) {
  87                 ibdev_err_ratelimited(
  88                         edev->efa_dev,
  89                         "Failed to modify qp-%u modify_mask[%#x] [%d]\n",
  90                         cmd.qp_handle, cmd.modify_mask, err);
  91                 return err;
  92         }
  93
  94         return 0;
  95 }
  96
  97 int efa_com_query_qp(struct efa_com_dev *edev,
  98                      struct efa_com_query_qp_params *params,
  99                      struct efa_com_query_qp_result *result)
 100 {
 101         struct efa_com_admin_queue *aq = &edev->aq;
 102         struct efa_admin_query_qp_cmd cmd = {};
 103         struct efa_admin_query_qp_resp resp;
 104         int err;
 105
 106         cmd.aq_common_desc.opcode = EFA_ADMIN_QUERY_QP;
 107         cmd.qp_handle = params->qp_handle;
 108
 109         err = efa_com_cmd_exec(aq,
 110                                (struct efa_admin_aq_entry *)&cmd,
 111                                sizeof(cmd),
 112                                (struct efa_admin_acq_entry *)&resp,
 113                                sizeof(resp));
 114         if (err) {
 115                 ibdev_err_ratelimited(edev->efa_dev,
 116                                       "Failed to query qp-%u [%d]\n",
 117                                       cmd.qp_handle, err);
 118                 return err;
 119         }
 120
 121         result->qp_state = resp.qp_state;
 122         result->qkey = resp.qkey;
 123         result->sq_draining = resp.sq_draining;
 124         result->sq_psn = resp.sq_psn;
 125         result->rnr_retry = resp.rnr_retry;
 126
 127         return 0;
 128 }
 129
 130 int efa_com_destroy_qp(struct efa_com_dev *edev,
 131                        struct efa_com_destroy_qp_params *params)
 132 {
 133         struct efa_admin_destroy_qp_resp cmd_completion;
 134         struct efa_admin_destroy_qp_cmd qp_cmd = {};
 135         struct efa_com_admin_queue *aq = &edev->aq;
 136         int err;
 137
 138         qp_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_QP;
 139         qp_cmd.qp_handle = params->qp_handle;
 140
 141         err = efa_com_cmd_exec(aq,
 142                                (struct efa_admin_aq_entry *)&qp_cmd,
 143                                sizeof(qp_cmd),
 144                                (struct efa_admin_acq_entry *)&cmd_completion,
 145                                sizeof(cmd_completion));
 146         if (err) {
 147                 ibdev_err_ratelimited(edev->efa_dev,
 148                                       "Failed to destroy qp-%u [%d]\n",
 149                                       qp_cmd.qp_handle, err);
 150                 return err;
 151         }
 152
 153         return 0;
 154 }
 155
 156 int efa_com_create_cq(struct efa_com_dev *edev,
 157                       struct efa_com_create_cq_params *params,
 158                       struct efa_com_create_cq_result *result)
 159 {
 160         struct efa_admin_create_cq_resp cmd_completion;
 161         struct efa_admin_create_cq_cmd create_cmd = {};
 162         struct efa_com_admin_queue *aq = &edev->aq;
 163         int err;
 164
 165         create_cmd.aq_common_desc.opcode = EFA_ADMIN_CREATE_CQ;
 166         EFA_SET(&create_cmd.cq_caps_2,
 167                 EFA_ADMIN_CREATE_CQ_CMD_CQ_ENTRY_SIZE_WORDS,
 168                 params->entry_size_in_bytes / 4);
 169         create_cmd.cq_depth = params->cq_depth;
 170         create_cmd.num_sub_cqs = params->num_sub_cqs;
 171         create_cmd.uar = params->uarn;
 172
 173         efa_com_set_dma_addr(params->dma_addr,
 174                              &create_cmd.cq_ba.mem_addr_high,
 175                              &create_cmd.cq_ba.mem_addr_low);
 176
 177         err = efa_com_cmd_exec(aq,
 178                                (struct efa_admin_aq_entry *)&create_cmd,
 179                                sizeof(create_cmd),
 180                                (struct efa_admin_acq_entry *)&cmd_completion,
 181                                sizeof(cmd_completion));
 182         if (err) {
 183                 ibdev_err_ratelimited(edev->efa_dev,
 184                                       "Failed to create cq[%d]\n", err);
 185                 return err;
 186         }
 187
 188         result->cq_idx = cmd_completion.cq_idx;
 189         result->actual_depth = params->cq_depth;
 190
 191         return 0;
 192 }
 193
 194 int efa_com_destroy_cq(struct efa_com_dev *edev,
 195                        struct efa_com_destroy_cq_params *params)
 196 {
 197         struct efa_admin_destroy_cq_cmd destroy_cmd = {};
 198         struct efa_admin_destroy_cq_resp destroy_resp;
 199         struct efa_com_admin_queue *aq = &edev->aq;
 200         int err;
 201
 202         destroy_cmd.cq_idx = params->cq_idx;
 203         destroy_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_CQ;
 204
 205         err = efa_com_cmd_exec(aq,
 206                                (struct efa_admin_aq_entry *)&destroy_cmd,
 207                                sizeof(destroy_cmd),
 208                                (struct efa_admin_acq_entry *)&destroy_resp,
 209                                sizeof(destroy_resp));
 210
 211         if (err) {
 212                 ibdev_err_ratelimited(edev->efa_dev,
 213                                       "Failed to destroy CQ-%u [%d]\n",
 214                                       params->cq_idx, err);
 215                 return err;
 216         }
 217
 218         return 0;
 219 }
 220
 221 int efa_com_register_mr(struct efa_com_dev *edev,
 222                         struct efa_com_reg_mr_params *params,
 223                         struct efa_com_reg_mr_result *result)
 224 {
 225         struct efa_admin_reg_mr_resp cmd_completion;
 226         struct efa_com_admin_queue *aq = &edev->aq;
 227         struct efa_admin_reg_mr_cmd mr_cmd = {};
 228         int err;
 229
 230         mr_cmd.aq_common_desc.opcode = EFA_ADMIN_REG_MR;
 231         mr_cmd.pd = params->pd;
 232         mr_cmd.mr_length = params->mr_length_in_bytes;
 233         EFA_SET(&mr_cmd.flags, EFA_ADMIN_REG_MR_CMD_PHYS_PAGE_SIZE_SHIFT,
 234                 params->page_shift);
 235         mr_cmd.iova = params->iova;
 236         mr_cmd.permissions = params->permissions;
 237
 238         if (params->inline_pbl) {
 239                 memcpy(mr_cmd.pbl.inline_pbl_array,
 240                        params->pbl.inline_pbl_array,
 241                        sizeof(mr_cmd.pbl.inline_pbl_array));
 242         } else {
 243                 mr_cmd.pbl.pbl.length = params->pbl.pbl.length;
 244                 mr_cmd.pbl.pbl.address.mem_addr_low =
 245                         params->pbl.pbl.address.mem_addr_low;
 246                 mr_cmd.pbl.pbl.address.mem_addr_high =
 247                         params->pbl.pbl.address.mem_addr_high;
 248                 EFA_SET(&mr_cmd.aq_common_desc.flags,
 249                         EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA, 1);
 250                 if (params->indirect)
 251                         EFA_SET(&mr_cmd.aq_common_desc.flags,
 252                                 EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT, 1);
 253         }
 254
 255         err = efa_com_cmd_exec(aq,
 256                                (struct efa_admin_aq_entry *)&mr_cmd,
 257                                sizeof(mr_cmd),
 258                                (struct efa_admin_acq_entry *)&cmd_completion,
 259                                sizeof(cmd_completion));
 260         if (err) {
 261                 ibdev_err_ratelimited(edev->efa_dev,
 262                                       "Failed to register mr [%d]\n", err);
 263                 return err;
 264         }
 265
 266         result->l_key = cmd_completion.l_key;
 267         result->r_key = cmd_completion.r_key;
 268
 269         return 0;
 270 }
 271
 272 int efa_com_dereg_mr(struct efa_com_dev *edev,
 273                      struct efa_com_dereg_mr_params *params)
 274 {
 275         struct efa_admin_dereg_mr_resp cmd_completion;
 276         struct efa_com_admin_queue *aq = &edev->aq;
 277         struct efa_admin_dereg_mr_cmd mr_cmd = {};
 278         int err;
 279
 280         mr_cmd.aq_common_desc.opcode = EFA_ADMIN_DEREG_MR;
 281         mr_cmd.l_key = params->l_key;
 282
 283         err = efa_com_cmd_exec(aq,
 284                                (struct efa_admin_aq_entry *)&mr_cmd,
 285                                sizeof(mr_cmd),
 286                                (struct efa_admin_acq_entry *)&cmd_completion,
 287                                sizeof(cmd_completion));
 288         if (err) {
 289                 ibdev_err_ratelimited(edev->efa_dev,
 290                                       "Failed to de-register mr(lkey-%u) [%d]\n",
 291                                       mr_cmd.l_key, err);
 292                 return err;
 293         }
 294
 295         return 0;
 296 }
 297
 298 int efa_com_create_ah(struct efa_com_dev *edev,
 299                       struct efa_com_create_ah_params *params,
 300                       struct efa_com_create_ah_result *result)
 301 {
 302         struct efa_admin_create_ah_resp cmd_completion;
 303         struct efa_com_admin_queue *aq = &edev->aq;
 304         struct efa_admin_create_ah_cmd ah_cmd = {};
 305         int err;
 306
 307         ah_cmd.aq_common_desc.opcode = EFA_ADMIN_CREATE_AH;
 308
 309         memcpy(ah_cmd.dest_addr, params->dest_addr, sizeof(ah_cmd.dest_addr));
 310         ah_cmd.pd = params->pdn;
 311
 312         err = efa_com_cmd_exec(aq,
 313                                (struct efa_admin_aq_entry *)&ah_cmd,
 314                                sizeof(ah_cmd),
 315                                (struct efa_admin_acq_entry *)&cmd_completion,
 316                                sizeof(cmd_completion));
 317         if (err) {
 318                 ibdev_err_ratelimited(edev->efa_dev,
 319                                       "Failed to create ah for %pI6 [%d]\n",
 320                                       ah_cmd.dest_addr, err);
 321                 return err;
 322         }
 323
 324         result->ah = cmd_completion.ah;
 325
 326         return 0;
 327 }
 328
 329 int efa_com_destroy_ah(struct efa_com_dev *edev,
 330                        struct efa_com_destroy_ah_params *params)
 331 {
 332         struct efa_admin_destroy_ah_resp cmd_completion;
 333         struct efa_admin_destroy_ah_cmd ah_cmd = {};
 334         struct efa_com_admin_queue *aq = &edev->aq;
 335         int err;
 336
 337         ah_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_AH;
 338         ah_cmd.ah = params->ah;
 339         ah_cmd.pd = params->pdn;
 340
 341         err = efa_com_cmd_exec(aq,
 342                                (struct efa_admin_aq_entry *)&ah_cmd,
 343                                sizeof(ah_cmd),
 344                                (struct efa_admin_acq_entry *)&cmd_completion,
 345                                sizeof(cmd_completion));
 346         if (err) {
 347                 ibdev_err_ratelimited(edev->efa_dev,
 348                                       "Failed to destroy ah-%d pd-%d [%d]\n",
 349                                       ah_cmd.ah, ah_cmd.pd, err);
 350                 return err;
 351         }
 352
 353         return 0;
 354 }
 355
 356 bool
 357 efa_com_check_supported_feature_id(struct efa_com_dev *edev,
 358                                    enum efa_admin_aq_feature_id feature_id)
 359 {
 360         u32 feature_mask = 1 << feature_id;
 361
 362         /* Device attributes is always supported */
 363         if (feature_id != EFA_ADMIN_DEVICE_ATTR &&
 364             !(edev->supported_features & feature_mask))
 365                 return false;
 366
 367         return true;
 368 }
 369
 370 static int efa_com_get_feature_ex(struct efa_com_dev *edev,
 371                                   struct efa_admin_get_feature_resp *get_resp,
 372                                   enum efa_admin_aq_feature_id feature_id,
 373                                   dma_addr_t control_buf_dma_addr,
 374                                   u32 control_buff_size)
 375 {
 376         struct efa_admin_get_feature_cmd get_cmd = {};
 377         struct efa_com_admin_queue *aq;
 378         int err;
 379
 380         if (!efa_com_check_supported_feature_id(edev, feature_id)) {
 381                 ibdev_err_ratelimited(edev->efa_dev,
 382                                       "Feature %d isn't supported\n",
 383                                       feature_id);
 384                 return -EOPNOTSUPP;
 385         }
 386
 387         aq = &edev->aq;
 388
 389         get_cmd.aq_common_descriptor.opcode = EFA_ADMIN_GET_FEATURE;
 390
 391         if (control_buff_size)
 392                 EFA_SET(&get_cmd.aq_common_descriptor.flags,
 393                         EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA, 1);
 394
 395         efa_com_set_dma_addr(control_buf_dma_addr,
 396                              &get_cmd.control_buffer.address.mem_addr_high,
 397                              &get_cmd.control_buffer.address.mem_addr_low);
 398
 399         get_cmd.control_buffer.length = control_buff_size;
 400         get_cmd.feature_common.feature_id = feature_id;
 401         err = efa_com_cmd_exec(aq,
 402                                (struct efa_admin_aq_entry *)
 403                                &get_cmd,
 404                                sizeof(get_cmd),
 405                                (struct efa_admin_acq_entry *)
 406                                get_resp,
 407                                sizeof(*get_resp));
 408
 409         if (err) {
 410                 ibdev_err_ratelimited(
 411                         edev->efa_dev,
 412                         "Failed to submit get_feature command %d [%d]\n",
 413                         feature_id, err);
 414                 return err;
 415         }
 416
 417         return 0;
 418 }
 419
 420 static int efa_com_get_feature(struct efa_com_dev *edev,
 421                                struct efa_admin_get_feature_resp *get_resp,
 422                                enum efa_admin_aq_feature_id feature_id)
 423 {
 424         return efa_com_get_feature_ex(edev, get_resp, feature_id, 0, 0);
 425 }
 426
 427 int efa_com_get_device_attr(struct efa_com_dev *edev,
 428                             struct efa_com_get_device_attr_result *result)
 429 {
 430         struct efa_admin_get_feature_resp resp;
 431         int err;
 432
 433         err = efa_com_get_feature(edev, &resp, EFA_ADMIN_DEVICE_ATTR);
 434         if (err) {
 435                 ibdev_err_ratelimited(edev->efa_dev,
 436                                       "Failed to get device attributes %d\n",
 437                                       err);
 438                 return err;
 439         }
 440
 441         result->page_size_cap = resp.u.device_attr.page_size_cap;
 442         result->fw_version = resp.u.device_attr.fw_version;
 443         result->admin_api_version = resp.u.device_attr.admin_api_version;
 444         result->device_version = resp.u.device_attr.device_version;
 445         result->supported_features = resp.u.device_attr.supported_features;
 446         result->phys_addr_width = resp.u.device_attr.phys_addr_width;
 447         result->virt_addr_width = resp.u.device_attr.virt_addr_width;
 448         result->db_bar = resp.u.device_attr.db_bar;
 449         result->max_rdma_size = resp.u.device_attr.max_rdma_size;
 450         result->device_caps = resp.u.device_attr.device_caps;
 451
 452         if (result->admin_api_version < 1) {
 453                 ibdev_err_ratelimited(
 454                         edev->efa_dev,
 455                         "Failed to get device attr api version [%u < 1]\n",
 456                         result->admin_api_version);
 457                 return -EINVAL;
 458         }
 459
 460         edev->supported_features = resp.u.device_attr.supported_features;
 461         err = efa_com_get_feature(edev, &resp,
 462                                   EFA_ADMIN_QUEUE_ATTR);
 463         if (err) {
 464                 ibdev_err_ratelimited(edev->efa_dev,
 465                                       "Failed to get queue attributes %d\n",
 466                                       err);
 467                 return err;
 468         }
 469
 470         result->max_qp = resp.u.queue_attr.max_qp;
 471         result->max_sq_depth = resp.u.queue_attr.max_sq_depth;
 472         result->max_rq_depth = resp.u.queue_attr.max_rq_depth;
 473         result->max_cq = resp.u.queue_attr.max_cq;
 474         result->max_cq_depth = resp.u.queue_attr.max_cq_depth;
 475         result->inline_buf_size = resp.u.queue_attr.inline_buf_size;
 476         result->max_sq_sge = resp.u.queue_attr.max_wr_send_sges;
 477         result->max_rq_sge = resp.u.queue_attr.max_wr_recv_sges;
 478         result->max_mr = resp.u.queue_attr.max_mr;
 479         result->max_mr_pages = resp.u.queue_attr.max_mr_pages;
 480         result->max_pd = resp.u.queue_attr.max_pd;
 481         result->max_ah = resp.u.queue_attr.max_ah;
 482         result->max_llq_size = resp.u.queue_attr.max_llq_size;
 483         result->sub_cqs_per_cq = resp.u.queue_attr.sub_cqs_per_cq;
 484         result->max_wr_rdma_sge = resp.u.queue_attr.max_wr_rdma_sges;
 485         result->max_tx_batch = resp.u.queue_attr.max_tx_batch;
 486         result->min_sq_depth = resp.u.queue_attr.min_sq_depth;
 487
 488         err = efa_com_get_feature(edev, &resp, EFA_ADMIN_NETWORK_ATTR);
 489         if (err) {
 490                 ibdev_err_ratelimited(edev->efa_dev,
 491                                       "Failed to get network attributes %d\n",
 492                                       err);
 493                 return err;
 494         }
 495
 496         memcpy(result->addr, resp.u.network_attr.addr,
 497                sizeof(resp.u.network_attr.addr));
 498         result->mtu = resp.u.network_attr.mtu;
 499
 500         return 0;
 501 }
 502
 503 int efa_com_get_hw_hints(struct efa_com_dev *edev,
 504                          struct efa_com_get_hw_hints_result *result)
 505 {
 506         struct efa_admin_get_feature_resp resp;
 507         int err;
 508
 509         err = efa_com_get_feature(edev, &resp, EFA_ADMIN_HW_HINTS);
 510         if (err) {
 511                 ibdev_err_ratelimited(edev->efa_dev,
 512                                       "Failed to get hw hints %d\n", err);
 513                 return err;
 514         }
 515
 516         result->admin_completion_timeout = resp.u.hw_hints.admin_completion_timeout;
 517         result->driver_watchdog_timeout = resp.u.hw_hints.driver_watchdog_timeout;
 518         result->mmio_read_timeout = resp.u.hw_hints.mmio_read_timeout;
 519         result->poll_interval = resp.u.hw_hints.poll_interval;
 520
 521         return 0;
 522 }
 523
 524 int efa_com_set_feature_ex(struct efa_com_dev *edev,
 525                            struct efa_admin_set_feature_resp *set_resp,
 526                            struct efa_admin_set_feature_cmd *set_cmd,
 527                            enum efa_admin_aq_feature_id feature_id,
 528                            dma_addr_t control_buf_dma_addr,
 529                            u32 control_buff_size)
 530 {
 531         struct efa_com_admin_queue *aq;
 532         int err;
 533
 534         if (!efa_com_check_supported_feature_id(edev, feature_id)) {
 535                 ibdev_err_ratelimited(edev->efa_dev,
 536                                       "Feature %d isn't supported\n",
 537                                       feature_id);
 538                 return -EOPNOTSUPP;
 539         }
 540
 541         aq = &edev->aq;
 542
 543         set_cmd->aq_common_descriptor.opcode = EFA_ADMIN_SET_FEATURE;
 544         if (control_buff_size) {
 545                 set_cmd->aq_common_descriptor.flags = 0;
 546                 EFA_SET(&set_cmd->aq_common_descriptor.flags,
 547                         EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA, 1);
 548                 efa_com_set_dma_addr(control_buf_dma_addr,
 549                                      &set_cmd->control_buffer.address.mem_addr_high,
 550                                      &set_cmd->control_buffer.address.mem_addr_low);
 551         }
 552
 553         set_cmd->control_buffer.length = control_buff_size;
 554         set_cmd->feature_common.feature_id = feature_id;
 555         err = efa_com_cmd_exec(aq,
 556                                (struct efa_admin_aq_entry *)set_cmd,
 557                                sizeof(*set_cmd),
 558                                (struct efa_admin_acq_entry *)set_resp,
 559                                sizeof(*set_resp));
 560
 561         if (err) {
 562                 ibdev_err_ratelimited(
 563                         edev->efa_dev,
 564                         "Failed to submit set_feature command %d error: %d\n",
 565                         feature_id, err);
 566                 return err;
 567         }
 568
 569         return 0;
 570 }
 571
 572 static int efa_com_set_feature(struct efa_com_dev *edev,
 573                                struct efa_admin_set_feature_resp *set_resp,
 574                                struct efa_admin_set_feature_cmd *set_cmd,
 575                                enum efa_admin_aq_feature_id feature_id)
 576 {
 577         return efa_com_set_feature_ex(edev, set_resp, set_cmd, feature_id,
 578                                       0, 0);
 579 }
 580
 581 int efa_com_set_aenq_config(struct efa_com_dev *edev, u32 groups)
 582 {
 583         struct efa_admin_get_feature_resp get_resp;
 584         struct efa_admin_set_feature_resp set_resp;
 585         struct efa_admin_set_feature_cmd cmd = {};
 586         int err;
 587
 588         ibdev_dbg(edev->efa_dev, "Configuring aenq with groups[%#x]\n", groups);
 589
 590         err = efa_com_get_feature(edev, &get_resp, EFA_ADMIN_AENQ_CONFIG);
 591         if (err) {
 592                 ibdev_err_ratelimited(edev->efa_dev,
 593                                       "Failed to get aenq attributes: %d\n",
 594                                       err);
 595                 return err;
 596         }
 597
 598         ibdev_dbg(edev->efa_dev,
 599                   "Get aenq groups: supported[%#x] enabled[%#x]\n",
 600                   get_resp.u.aenq.supported_groups,
 601                   get_resp.u.aenq.enabled_groups);
 602
 603         if ((get_resp.u.aenq.supported_groups & groups) != groups) {
 604                 ibdev_err_ratelimited(
 605                         edev->efa_dev,
 606                         "Trying to set unsupported aenq groups[%#x] supported[%#x]\n",
 607                         groups, get_resp.u.aenq.supported_groups);
 608                 return -EOPNOTSUPP;
 609         }
 610
 611         cmd.u.aenq.enabled_groups = groups;
 612         err = efa_com_set_feature(edev, &set_resp, &cmd,
 613                                   EFA_ADMIN_AENQ_CONFIG);
 614         if (err) {
 615                 ibdev_err_ratelimited(edev->efa_dev,
 616                                       "Failed to set aenq attributes: %d\n",
 617                                       err);
 618                 return err;
 619         }
 620
 621         return 0;
 622 }
 623
 624 int efa_com_alloc_pd(struct efa_com_dev *edev,
 625                      struct efa_com_alloc_pd_result *result)
 626 {
 627         struct efa_com_admin_queue *aq = &edev->aq;
 628         struct efa_admin_alloc_pd_cmd cmd = {};
 629         struct efa_admin_alloc_pd_resp resp;
 630         int err;
 631
 632         cmd.aq_common_descriptor.opcode = EFA_ADMIN_ALLOC_PD;
 633
 634         err = efa_com_cmd_exec(aq,
 635                                (struct efa_admin_aq_entry *)&cmd,
 636                                sizeof(cmd),
 637                                (struct efa_admin_acq_entry *)&resp,
 638                                sizeof(resp));
 639         if (err) {
 640                 ibdev_err_ratelimited(edev->efa_dev,
 641                                       "Failed to allocate pd[%d]\n", err);
 642                 return err;
 643         }
 644
 645         result->pdn = resp.pd;
 646
 647         return 0;
 648 }
 649
 650 int efa_com_dealloc_pd(struct efa_com_dev *edev,
 651                        struct efa_com_dealloc_pd_params *params)
 652 {
 653         struct efa_com_admin_queue *aq = &edev->aq;
 654         struct efa_admin_dealloc_pd_cmd cmd = {};
 655         struct efa_admin_dealloc_pd_resp resp;
 656         int err;
 657
 658         cmd.aq_common_descriptor.opcode = EFA_ADMIN_DEALLOC_PD;
 659         cmd.pd = params->pdn;
 660
 661         err = efa_com_cmd_exec(aq,
 662                                (struct efa_admin_aq_entry *)&cmd,
 663                                sizeof(cmd),
 664                                (struct efa_admin_acq_entry *)&resp,
 665                                sizeof(resp));
 666         if (err) {
 667                 ibdev_err_ratelimited(edev->efa_dev,
 668                                       "Failed to deallocate pd-%u [%d]\n",
 669                                       cmd.pd, err);
 670                 return err;
 671         }
 672
 673         return 0;
 674 }
 675
 676 int efa_com_alloc_uar(struct efa_com_dev *edev,
 677                       struct efa_com_alloc_uar_result *result)
 678 {
 679         struct efa_com_admin_queue *aq = &edev->aq;
 680         struct efa_admin_alloc_uar_cmd cmd = {};
 681         struct efa_admin_alloc_uar_resp resp;
 682         int err;
 683
 684         cmd.aq_common_descriptor.opcode = EFA_ADMIN_ALLOC_UAR;
 685
 686         err = efa_com_cmd_exec(aq,
 687                                (struct efa_admin_aq_entry *)&cmd,
 688                                sizeof(cmd),
 689                                (struct efa_admin_acq_entry *)&resp,
 690                                sizeof(resp));
 691         if (err) {
 692                 ibdev_err_ratelimited(edev->efa_dev,
 693                                       "Failed to allocate uar[%d]\n", err);
 694                 return err;
 695         }
 696
 697         result->uarn = resp.uar;
 698
 699         return 0;
 700 }
 701
 702 int efa_com_dealloc_uar(struct efa_com_dev *edev,
 703                         struct efa_com_dealloc_uar_params *params)
 704 {
 705         struct efa_com_admin_queue *aq = &edev->aq;
 706         struct efa_admin_dealloc_uar_cmd cmd = {};
 707         struct efa_admin_dealloc_uar_resp resp;
 708         int err;
 709
 710         cmd.aq_common_descriptor.opcode = EFA_ADMIN_DEALLOC_UAR;
 711         cmd.uar = params->uarn;
 712
 713         err = efa_com_cmd_exec(aq,
 714                                (struct efa_admin_aq_entry *)&cmd,
 715                                sizeof(cmd),
 716                                (struct efa_admin_acq_entry *)&resp,
 717                                sizeof(resp));
 718         if (err) {
 719                 ibdev_err_ratelimited(edev->efa_dev,
 720                                       "Failed to deallocate uar-%u [%d]\n",
 721                                       cmd.uar, err);
 722                 return err;
 723         }
 724
 725         return 0;
 726 }
 727
 728 int efa_com_get_stats(struct efa_com_dev *edev,
 729                       struct efa_com_get_stats_params *params,
 730                       union efa_com_get_stats_result *result)
 731 {
 732         struct efa_com_admin_queue *aq = &edev->aq;
 733         struct efa_admin_aq_get_stats_cmd cmd = {};
 734         struct efa_admin_acq_get_stats_resp resp;
 735         int err;
 736
 737         cmd.aq_common_descriptor.opcode = EFA_ADMIN_GET_STATS;
 738         cmd.type = params->type;
 739         cmd.scope = params->scope;
 740         cmd.scope_modifier = params->scope_modifier;
 741
 742         err = efa_com_cmd_exec(aq,
 743                                (struct efa_admin_aq_entry *)&cmd,
 744                                sizeof(cmd),
 745                                (struct efa_admin_acq_entry *)&resp,
 746                                sizeof(resp));
 747         if (err) {
 748                 ibdev_err_ratelimited(
 749                         edev->efa_dev,
 750                         "Failed to get stats type-%u scope-%u.%u [%d]\n",
 751                         cmd.type, cmd.scope, cmd.scope_modifier, err);
 752                 return err;
 753         }
 754
 755         switch (cmd.type) {
 756         case EFA_ADMIN_GET_STATS_TYPE_BASIC:
 757                 result->basic_stats.tx_bytes = resp.u.basic_stats.tx_bytes;
 758                 result->basic_stats.tx_pkts = resp.u.basic_stats.tx_pkts;
 759                 result->basic_stats.rx_bytes = resp.u.basic_stats.rx_bytes;
 760                 result->basic_stats.rx_pkts = resp.u.basic_stats.rx_pkts;
 761                 result->basic_stats.rx_drops = resp.u.basic_stats.rx_drops;
 762                 break;
 763         case EFA_ADMIN_GET_STATS_TYPE_MESSAGES:
 764                 result->messages_stats.send_bytes = resp.u.messages_stats.send_bytes;
 765                 result->messages_stats.send_wrs = resp.u.messages_stats.send_wrs;
 766                 result->messages_stats.recv_bytes = resp.u.messages_stats.recv_bytes;
 767                 result->messages_stats.recv_wrs = resp.u.messages_stats.recv_wrs;
 768                 break;
 769         case EFA_ADMIN_GET_STATS_TYPE_RDMA_READ:
 770                 result->rdma_read_stats.read_wrs = resp.u.rdma_read_stats.read_wrs;
 771                 result->rdma_read_stats.read_bytes = resp.u.rdma_read_stats.read_bytes;
 772                 result->rdma_read_stats.read_wr_err = resp.u.rdma_read_stats.read_wr_err;
 773                 result->rdma_read_stats.read_resp_bytes = resp.u.rdma_read_stats.read_resp_bytes;
 774                 break;
 775         }
 776
 777         return 0;
 778 }