drivers/infiniband/hw/efa/efa_com_cmd.c

   1 // SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
   2 /*
   3  * Copyright 2018-2019 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
  80         err = efa_com_cmd_exec(aq,
  81                                (struct efa_admin_aq_entry *)&cmd,
  82                                sizeof(cmd),
  83                                (struct efa_admin_acq_entry *)&resp,
  84                                sizeof(resp));
  85         if (err) {
  86                 ibdev_err_ratelimited(
  87                         edev->efa_dev,
  88                         "Failed to modify qp-%u modify_mask[%#x] [%d]\n",
  89                         cmd.qp_handle, cmd.modify_mask, err);
  90                 return err;
  91         }
  92
  93         return 0;
  94 }
  95
  96 int efa_com_query_qp(struct efa_com_dev *edev,
  97                      struct efa_com_query_qp_params *params,
  98                      struct efa_com_query_qp_result *result)
  99 {
 100         struct efa_com_admin_queue *aq = &edev->aq;
 101         struct efa_admin_query_qp_cmd cmd = {};
 102         struct efa_admin_query_qp_resp resp;
 103         int err;
 104
 105         cmd.aq_common_desc.opcode = EFA_ADMIN_QUERY_QP;
 106         cmd.qp_handle = params->qp_handle;
 107
 108         err = efa_com_cmd_exec(aq,
 109                                (struct efa_admin_aq_entry *)&cmd,
 110                                sizeof(cmd),
 111                                (struct efa_admin_acq_entry *)&resp,
 112                                sizeof(resp));
 113         if (err) {
 114                 ibdev_err_ratelimited(edev->efa_dev,
 115                                       "Failed to query qp-%u [%d]\n",
 116                                       cmd.qp_handle, err);
 117                 return err;
 118         }
 119
 120         result->qp_state = resp.qp_state;
 121         result->qkey = resp.qkey;
 122         result->sq_draining = resp.sq_draining;
 123         result->sq_psn = resp.sq_psn;
 124
 125         return 0;
 126 }
 127
 128 int efa_com_destroy_qp(struct efa_com_dev *edev,
 129                        struct efa_com_destroy_qp_params *params)
 130 {
 131         struct efa_admin_destroy_qp_resp cmd_completion;
 132         struct efa_admin_destroy_qp_cmd qp_cmd = {};
 133         struct efa_com_admin_queue *aq = &edev->aq;
 134         int err;
 135
 136         qp_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_QP;
 137         qp_cmd.qp_handle = params->qp_handle;
 138
 139         err = efa_com_cmd_exec(aq,
 140                                (struct efa_admin_aq_entry *)&qp_cmd,
 141                                sizeof(qp_cmd),
 142                                (struct efa_admin_acq_entry *)&cmd_completion,
 143                                sizeof(cmd_completion));
 144         if (err) {
 145                 ibdev_err_ratelimited(edev->efa_dev,
 146                                       "Failed to destroy qp-%u [%d]\n",
 147                                       qp_cmd.qp_handle, err);
 148                 return err;
 149         }
 150
 151         return 0;
 152 }
 153
 154 int efa_com_create_cq(struct efa_com_dev *edev,
 155                       struct efa_com_create_cq_params *params,
 156                       struct efa_com_create_cq_result *result)
 157 {
 158         struct efa_admin_create_cq_resp cmd_completion;
 159         struct efa_admin_create_cq_cmd create_cmd = {};
 160         struct efa_com_admin_queue *aq = &edev->aq;
 161         int err;
 162
 163         create_cmd.aq_common_desc.opcode = EFA_ADMIN_CREATE_CQ;
 164         create_cmd.cq_caps_2 = (params->entry_size_in_bytes / 4) &
 165                                 EFA_ADMIN_CREATE_CQ_CMD_CQ_ENTRY_SIZE_WORDS_MASK;
 166         create_cmd.cq_depth = params->cq_depth;
 167         create_cmd.num_sub_cqs = params->num_sub_cqs;
 168         create_cmd.uar = params->uarn;
 169
 170         efa_com_set_dma_addr(params->dma_addr,
 171                              &create_cmd.cq_ba.mem_addr_high,
 172                              &create_cmd.cq_ba.mem_addr_low);
 173
 174         err = efa_com_cmd_exec(aq,
 175                                (struct efa_admin_aq_entry *)&create_cmd,
 176                                sizeof(create_cmd),
 177                                (struct efa_admin_acq_entry *)&cmd_completion,
 178                                sizeof(cmd_completion));
 179         if (err) {
 180                 ibdev_err_ratelimited(edev->efa_dev,
 181                                       "Failed to create cq[%d]\n", err);
 182                 return err;
 183         }
 184
 185         result->cq_idx = cmd_completion.cq_idx;
 186         result->actual_depth = params->cq_depth;
 187
 188         return 0;
 189 }
 190
 191 int efa_com_destroy_cq(struct efa_com_dev *edev,
 192                        struct efa_com_destroy_cq_params *params)
 193 {
 194         struct efa_admin_destroy_cq_cmd destroy_cmd = {};
 195         struct efa_admin_destroy_cq_resp destroy_resp;
 196         struct efa_com_admin_queue *aq = &edev->aq;
 197         int err;
 198
 199         destroy_cmd.cq_idx = params->cq_idx;
 200         destroy_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_CQ;
 201
 202         err = efa_com_cmd_exec(aq,
 203                                (struct efa_admin_aq_entry *)&destroy_cmd,
 204                                sizeof(destroy_cmd),
 205                                (struct efa_admin_acq_entry *)&destroy_resp,
 206                                sizeof(destroy_resp));
 207
 208         if (err) {
 209                 ibdev_err_ratelimited(edev->efa_dev,
 210                                       "Failed to destroy CQ-%u [%d]\n",
 211                                       params->cq_idx, err);
 212                 return err;
 213         }
 214
 215         return 0;
 216 }
 217
 218 int efa_com_register_mr(struct efa_com_dev *edev,
 219                         struct efa_com_reg_mr_params *params,
 220                         struct efa_com_reg_mr_result *result)
 221 {
 222         struct efa_admin_reg_mr_resp cmd_completion;
 223         struct efa_com_admin_queue *aq = &edev->aq;
 224         struct efa_admin_reg_mr_cmd mr_cmd = {};
 225         int err;
 226
 227         mr_cmd.aq_common_desc.opcode = EFA_ADMIN_REG_MR;
 228         mr_cmd.pd = params->pd;
 229         mr_cmd.mr_length = params->mr_length_in_bytes;
 230         mr_cmd.flags |= params->page_shift &
 231                 EFA_ADMIN_REG_MR_CMD_PHYS_PAGE_SIZE_SHIFT_MASK;
 232         mr_cmd.iova = params->iova;
 233         mr_cmd.permissions = params->permissions;
 234
 235         if (params->inline_pbl) {
 236                 memcpy(mr_cmd.pbl.inline_pbl_array,
 237                        params->pbl.inline_pbl_array,
 238                        sizeof(mr_cmd.pbl.inline_pbl_array));
 239         } else {
 240                 mr_cmd.pbl.pbl.length = params->pbl.pbl.length;
 241                 mr_cmd.pbl.pbl.address.mem_addr_low =
 242                         params->pbl.pbl.address.mem_addr_low;
 243                 mr_cmd.pbl.pbl.address.mem_addr_high =
 244                         params->pbl.pbl.address.mem_addr_high;
 245                 mr_cmd.aq_common_desc.flags |=
 246                         EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_MASK;
 247                 if (params->indirect)
 248                         mr_cmd.aq_common_desc.flags |=
 249                                 EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_MASK;
 250         }
 251
 252         err = efa_com_cmd_exec(aq,
 253                                (struct efa_admin_aq_entry *)&mr_cmd,
 254                                sizeof(mr_cmd),
 255                                (struct efa_admin_acq_entry *)&cmd_completion,
 256                                sizeof(cmd_completion));
 257         if (err) {
 258                 ibdev_err_ratelimited(edev->efa_dev,
 259                                       "Failed to register mr [%d]\n", err);
 260                 return err;
 261         }
 262
 263         result->l_key = cmd_completion.l_key;
 264         result->r_key = cmd_completion.r_key;
 265
 266         return 0;
 267 }
 268
 269 int efa_com_dereg_mr(struct efa_com_dev *edev,
 270                      struct efa_com_dereg_mr_params *params)
 271 {
 272         struct efa_admin_dereg_mr_resp cmd_completion;
 273         struct efa_com_admin_queue *aq = &edev->aq;
 274         struct efa_admin_dereg_mr_cmd mr_cmd = {};
 275         int err;
 276
 277         mr_cmd.aq_common_desc.opcode = EFA_ADMIN_DEREG_MR;
 278         mr_cmd.l_key = params->l_key;
 279
 280         err = efa_com_cmd_exec(aq,
 281                                (struct efa_admin_aq_entry *)&mr_cmd,
 282                                sizeof(mr_cmd),
 283                                (struct efa_admin_acq_entry *)&cmd_completion,
 284                                sizeof(cmd_completion));
 285         if (err) {
 286                 ibdev_err_ratelimited(edev->efa_dev,
 287                                       "Failed to de-register mr(lkey-%u) [%d]\n",
 288                                       mr_cmd.l_key, err);
 289                 return err;
 290         }
 291
 292         return 0;
 293 }
 294
 295 int efa_com_create_ah(struct efa_com_dev *edev,
 296                       struct efa_com_create_ah_params *params,
 297                       struct efa_com_create_ah_result *result)
 298 {
 299         struct efa_admin_create_ah_resp cmd_completion;
 300         struct efa_com_admin_queue *aq = &edev->aq;
 301         struct efa_admin_create_ah_cmd ah_cmd = {};
 302         int err;
 303
 304         ah_cmd.aq_common_desc.opcode = EFA_ADMIN_CREATE_AH;
 305
 306         memcpy(ah_cmd.dest_addr, params->dest_addr, sizeof(ah_cmd.dest_addr));
 307         ah_cmd.pd = params->pdn;
 308
 309         err = efa_com_cmd_exec(aq,
 310                                (struct efa_admin_aq_entry *)&ah_cmd,
 311                                sizeof(ah_cmd),
 312                                (struct efa_admin_acq_entry *)&cmd_completion,
 313                                sizeof(cmd_completion));
 314         if (err) {
 315                 ibdev_err_ratelimited(edev->efa_dev,
 316                                       "Failed to create ah for %pI6 [%d]\n",
 317                                       ah_cmd.dest_addr, err);
 318                 return err;
 319         }
 320
 321         result->ah = cmd_completion.ah;
 322
 323         return 0;
 324 }
 325
 326 int efa_com_destroy_ah(struct efa_com_dev *edev,
 327                        struct efa_com_destroy_ah_params *params)
 328 {
 329         struct efa_admin_destroy_ah_resp cmd_completion;
 330         struct efa_admin_destroy_ah_cmd ah_cmd = {};
 331         struct efa_com_admin_queue *aq = &edev->aq;
 332         int err;
 333
 334         ah_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_AH;
 335         ah_cmd.ah = params->ah;
 336         ah_cmd.pd = params->pdn;
 337
 338         err = efa_com_cmd_exec(aq,
 339                                (struct efa_admin_aq_entry *)&ah_cmd,
 340                                sizeof(ah_cmd),
 341                                (struct efa_admin_acq_entry *)&cmd_completion,
 342                                sizeof(cmd_completion));
 343         if (err) {
 344                 ibdev_err_ratelimited(edev->efa_dev,
 345                                       "Failed to destroy ah-%d pd-%d [%d]\n",
 346                                       ah_cmd.ah, ah_cmd.pd, err);
 347                 return err;
 348         }
 349
 350         return 0;
 351 }
 352
 353 static bool
 354 efa_com_check_supported_feature_id(struct efa_com_dev *edev,
 355                                    enum efa_admin_aq_feature_id feature_id)
 356 {
 357         u32 feature_mask = 1 << feature_id;
 358
 359         /* Device attributes is always supported */
 360         if (feature_id != EFA_ADMIN_DEVICE_ATTR &&
 361             !(edev->supported_features & feature_mask))
 362                 return false;
 363
 364         return true;
 365 }
 366
 367 static int efa_com_get_feature_ex(struct efa_com_dev *edev,
 368                                   struct efa_admin_get_feature_resp *get_resp,
 369                                   enum efa_admin_aq_feature_id feature_id,
 370                                   dma_addr_t control_buf_dma_addr,
 371                                   u32 control_buff_size)
 372 {
 373         struct efa_admin_get_feature_cmd get_cmd = {};
 374         struct efa_com_admin_queue *aq;
 375         int err;
 376
 377         if (!efa_com_check_supported_feature_id(edev, feature_id)) {
 378                 ibdev_err_ratelimited(edev->efa_dev,
 379                                       "Feature %d isn't supported\n",
 380                                       feature_id);
 381                 return -EOPNOTSUPP;
 382         }
 383
 384         aq = &edev->aq;
 385
 386         get_cmd.aq_common_descriptor.opcode = EFA_ADMIN_GET_FEATURE;
 387
 388         if (control_buff_size)
 389                 get_cmd.aq_common_descriptor.flags =
 390                         EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_MASK;
 391
 392
 393         efa_com_set_dma_addr(control_buf_dma_addr,
 394                              &get_cmd.control_buffer.address.mem_addr_high,
 395                              &get_cmd.control_buffer.address.mem_addr_low);
 396
 397         get_cmd.control_buffer.length = control_buff_size;
 398         get_cmd.feature_common.feature_id = feature_id;
 399         err = efa_com_cmd_exec(aq,
 400                                (struct efa_admin_aq_entry *)
 401                                &get_cmd,
 402                                sizeof(get_cmd),
 403                                (struct efa_admin_acq_entry *)
 404                                get_resp,
 405                                sizeof(*get_resp));
 406
 407         if (err) {
 408                 ibdev_err_ratelimited(
 409                         edev->efa_dev,
 410                         "Failed to submit get_feature command %d [%d]\n",
 411                         feature_id, err);
 412                 return err;
 413         }
 414
 415         return 0;
 416 }
 417
 418 static int efa_com_get_feature(struct efa_com_dev *edev,
 419                                struct efa_admin_get_feature_resp *get_resp,
 420                                enum efa_admin_aq_feature_id feature_id)
 421 {
 422         return efa_com_get_feature_ex(edev, get_resp, feature_id, 0, 0);
 423 }
 424
 425 int efa_com_get_device_attr(struct efa_com_dev *edev,
 426                             struct efa_com_get_device_attr_result *result)
 427 {
 428         struct efa_admin_get_feature_resp resp;
 429         int err;
 430
 431         err = efa_com_get_feature(edev, &resp, EFA_ADMIN_DEVICE_ATTR);
 432         if (err) {
 433                 ibdev_err_ratelimited(edev->efa_dev,
 434                                       "Failed to get device attributes %d\n",
 435                                       err);
 436                 return err;
 437         }
 438
 439         result->page_size_cap = resp.u.device_attr.page_size_cap;
 440         result->fw_version = resp.u.device_attr.fw_version;
 441         result->admin_api_version = resp.u.device_attr.admin_api_version;
 442         result->device_version = resp.u.device_attr.device_version;
 443         result->supported_features = resp.u.device_attr.supported_features;
 444         result->phys_addr_width = resp.u.device_attr.phys_addr_width;
 445         result->virt_addr_width = resp.u.device_attr.virt_addr_width;
 446         result->db_bar = resp.u.device_attr.db_bar;
 447         result->max_rdma_size = resp.u.device_attr.max_rdma_size;
 448         result->device_caps = resp.u.device_attr.device_caps;
 449
 450         if (result->admin_api_version < 1) {
 451                 ibdev_err_ratelimited(
 452                         edev->efa_dev,
 453                         "Failed to get device attr api version [%u < 1]\n",
 454                         result->admin_api_version);
 455                 return -EINVAL;
 456         }
 457
 458         edev->supported_features = resp.u.device_attr.supported_features;
 459         err = efa_com_get_feature(edev, &resp,
 460                                   EFA_ADMIN_QUEUE_ATTR);
 461         if (err) {
 462                 ibdev_err_ratelimited(edev->efa_dev,
 463                                       "Failed to get queue attributes %d\n",
 464                                       err);
 465                 return err;
 466         }
 467
 468         result->max_qp = resp.u.queue_attr.max_qp;
 469         result->max_sq_depth = resp.u.queue_attr.max_sq_depth;
 470         result->max_rq_depth = resp.u.queue_attr.max_rq_depth;
 471         result->max_cq = resp.u.queue_attr.max_cq;
 472         result->max_cq_depth = resp.u.queue_attr.max_cq_depth;
 473         result->inline_buf_size = resp.u.queue_attr.inline_buf_size;
 474         result->max_sq_sge = resp.u.queue_attr.max_wr_send_sges;
 475         result->max_rq_sge = resp.u.queue_attr.max_wr_recv_sges;
 476         result->max_mr = resp.u.queue_attr.max_mr;
 477         result->max_mr_pages = resp.u.queue_attr.max_mr_pages;
 478         result->max_pd = resp.u.queue_attr.max_pd;
 479         result->max_ah = resp.u.queue_attr.max_ah;
 480         result->max_llq_size = resp.u.queue_attr.max_llq_size;
 481         result->sub_cqs_per_cq = resp.u.queue_attr.sub_cqs_per_cq;
 482         result->max_wr_rdma_sge = resp.u.queue_attr.max_wr_rdma_sges;
 483
 484         err = efa_com_get_feature(edev, &resp, EFA_ADMIN_NETWORK_ATTR);
 485         if (err) {
 486                 ibdev_err_ratelimited(edev->efa_dev,
 487                                       "Failed to get network attributes %d\n",
 488                                       err);
 489                 return err;
 490         }
 491
 492         memcpy(result->addr, resp.u.network_attr.addr,
 493                sizeof(resp.u.network_attr.addr));
 494         result->mtu = resp.u.network_attr.mtu;
 495
 496         return 0;
 497 }
 498
 499 int efa_com_get_hw_hints(struct efa_com_dev *edev,
 500                          struct efa_com_get_hw_hints_result *result)
 501 {
 502         struct efa_admin_get_feature_resp resp;
 503         int err;
 504
 505         err = efa_com_get_feature(edev, &resp, EFA_ADMIN_HW_HINTS);
 506         if (err) {
 507                 ibdev_err_ratelimited(edev->efa_dev,
 508                                       "Failed to get hw hints %d\n", err);
 509                 return err;
 510         }
 511
 512         result->admin_completion_timeout = resp.u.hw_hints.admin_completion_timeout;
 513         result->driver_watchdog_timeout = resp.u.hw_hints.driver_watchdog_timeout;
 514         result->mmio_read_timeout = resp.u.hw_hints.mmio_read_timeout;
 515         result->poll_interval = resp.u.hw_hints.poll_interval;
 516
 517         return 0;
 518 }
 519
 520 static int efa_com_set_feature_ex(struct efa_com_dev *edev,
 521                                   struct efa_admin_set_feature_resp *set_resp,
 522                                   struct efa_admin_set_feature_cmd *set_cmd,
 523                                   enum efa_admin_aq_feature_id feature_id,
 524                                   dma_addr_t control_buf_dma_addr,
 525                                   u32 control_buff_size)
 526 {
 527         struct efa_com_admin_queue *aq;
 528         int err;
 529
 530         if (!efa_com_check_supported_feature_id(edev, feature_id)) {
 531                 ibdev_err_ratelimited(edev->efa_dev,
 532                                       "Feature %d isn't supported\n",
 533                                       feature_id);
 534                 return -EOPNOTSUPP;
 535         }
 536
 537         aq = &edev->aq;
 538
 539         set_cmd->aq_common_descriptor.opcode = EFA_ADMIN_SET_FEATURE;
 540         if (control_buff_size) {
 541                 set_cmd->aq_common_descriptor.flags =
 542                         EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_MASK;
 543                 efa_com_set_dma_addr(control_buf_dma_addr,
 544                                      &set_cmd->control_buffer.address.mem_addr_high,
 545                                      &set_cmd->control_buffer.address.mem_addr_low);
 546         }
 547
 548         set_cmd->control_buffer.length = control_buff_size;
 549         set_cmd->feature_common.feature_id = feature_id;
 550         err = efa_com_cmd_exec(aq,
 551                                (struct efa_admin_aq_entry *)set_cmd,
 552                                sizeof(*set_cmd),
 553                                (struct efa_admin_acq_entry *)set_resp,
 554                                sizeof(*set_resp));
 555
 556         if (err) {
 557                 ibdev_err_ratelimited(
 558                         edev->efa_dev,
 559                         "Failed to submit set_feature command %d error: %d\n",
 560                         feature_id, err);
 561                 return err;
 562         }
 563
 564         return 0;
 565 }
 566
 567 static int efa_com_set_feature(struct efa_com_dev *edev,
 568                                struct efa_admin_set_feature_resp *set_resp,
 569                                struct efa_admin_set_feature_cmd *set_cmd,
 570                                enum efa_admin_aq_feature_id feature_id)
 571 {
 572         return efa_com_set_feature_ex(edev, set_resp, set_cmd, feature_id,
 573                                       0, 0);
 574 }
 575
 576 int efa_com_set_aenq_config(struct efa_com_dev *edev, u32 groups)
 577 {
 578         struct efa_admin_get_feature_resp get_resp;
 579         struct efa_admin_set_feature_resp set_resp;
 580         struct efa_admin_set_feature_cmd cmd = {};
 581         int err;
 582
 583         ibdev_dbg(edev->efa_dev, "Configuring aenq with groups[%#x]\n", groups);
 584
 585         err = efa_com_get_feature(edev, &get_resp, EFA_ADMIN_AENQ_CONFIG);
 586         if (err) {
 587                 ibdev_err_ratelimited(edev->efa_dev,
 588                                       "Failed to get aenq attributes: %d\n",
 589                                       err);
 590                 return err;
 591         }
 592
 593         ibdev_dbg(edev->efa_dev,
 594                   "Get aenq groups: supported[%#x] enabled[%#x]\n",
 595                   get_resp.u.aenq.supported_groups,
 596                   get_resp.u.aenq.enabled_groups);
 597
 598         if ((get_resp.u.aenq.supported_groups & groups) != groups) {
 599                 ibdev_err_ratelimited(
 600                         edev->efa_dev,
 601                         "Trying to set unsupported aenq groups[%#x] supported[%#x]\n",
 602                         groups, get_resp.u.aenq.supported_groups);
 603                 return -EOPNOTSUPP;
 604         }
 605
 606         cmd.u.aenq.enabled_groups = groups;
 607         err = efa_com_set_feature(edev, &set_resp, &cmd,
 608                                   EFA_ADMIN_AENQ_CONFIG);
 609         if (err) {
 610                 ibdev_err_ratelimited(edev->efa_dev,
 611                                       "Failed to set aenq attributes: %d\n",
 612                                       err);
 613                 return err;
 614         }
 615
 616         return 0;
 617 }
 618
 619 int efa_com_alloc_pd(struct efa_com_dev *edev,
 620                      struct efa_com_alloc_pd_result *result)
 621 {
 622         struct efa_com_admin_queue *aq = &edev->aq;
 623         struct efa_admin_alloc_pd_cmd cmd = {};
 624         struct efa_admin_alloc_pd_resp resp;
 625         int err;
 626
 627         cmd.aq_common_descriptor.opcode = EFA_ADMIN_ALLOC_PD;
 628
 629         err = efa_com_cmd_exec(aq,
 630                                (struct efa_admin_aq_entry *)&cmd,
 631                                sizeof(cmd),
 632                                (struct efa_admin_acq_entry *)&resp,
 633                                sizeof(resp));
 634         if (err) {
 635                 ibdev_err_ratelimited(edev->efa_dev,
 636                                       "Failed to allocate pd[%d]\n", err);
 637                 return err;
 638         }
 639
 640         result->pdn = resp.pd;
 641
 642         return 0;
 643 }
 644
 645 int efa_com_dealloc_pd(struct efa_com_dev *edev,
 646                        struct efa_com_dealloc_pd_params *params)
 647 {
 648         struct efa_com_admin_queue *aq = &edev->aq;
 649         struct efa_admin_dealloc_pd_cmd cmd = {};
 650         struct efa_admin_dealloc_pd_resp resp;
 651         int err;
 652
 653         cmd.aq_common_descriptor.opcode = EFA_ADMIN_DEALLOC_PD;
 654         cmd.pd = params->pdn;
 655
 656         err = efa_com_cmd_exec(aq,
 657                                (struct efa_admin_aq_entry *)&cmd,
 658                                sizeof(cmd),
 659                                (struct efa_admin_acq_entry *)&resp,
 660                                sizeof(resp));
 661         if (err) {
 662                 ibdev_err_ratelimited(edev->efa_dev,
 663                                       "Failed to deallocate pd-%u [%d]\n",
 664                                       cmd.pd, err);
 665                 return err;
 666         }
 667
 668         return 0;
 669 }
 670
 671 int efa_com_alloc_uar(struct efa_com_dev *edev,
 672                       struct efa_com_alloc_uar_result *result)
 673 {
 674         struct efa_com_admin_queue *aq = &edev->aq;
 675         struct efa_admin_alloc_uar_cmd cmd = {};
 676         struct efa_admin_alloc_uar_resp resp;
 677         int err;
 678
 679         cmd.aq_common_descriptor.opcode = EFA_ADMIN_ALLOC_UAR;
 680
 681         err = efa_com_cmd_exec(aq,
 682                                (struct efa_admin_aq_entry *)&cmd,
 683                                sizeof(cmd),
 684                                (struct efa_admin_acq_entry *)&resp,
 685                                sizeof(resp));
 686         if (err) {
 687                 ibdev_err_ratelimited(edev->efa_dev,
 688                                       "Failed to allocate uar[%d]\n", err);
 689                 return err;
 690         }
 691
 692         result->uarn = resp.uar;
 693
 694         return 0;
 695 }
 696
 697 int efa_com_dealloc_uar(struct efa_com_dev *edev,
 698                         struct efa_com_dealloc_uar_params *params)
 699 {
 700         struct efa_com_admin_queue *aq = &edev->aq;
 701         struct efa_admin_dealloc_uar_cmd cmd = {};
 702         struct efa_admin_dealloc_uar_resp resp;
 703         int err;
 704
 705         cmd.aq_common_descriptor.opcode = EFA_ADMIN_DEALLOC_UAR;
 706         cmd.uar = params->uarn;
 707
 708         err = efa_com_cmd_exec(aq,
 709                                (struct efa_admin_aq_entry *)&cmd,
 710                                sizeof(cmd),
 711                                (struct efa_admin_acq_entry *)&resp,
 712                                sizeof(resp));
 713         if (err) {
 714                 ibdev_err_ratelimited(edev->efa_dev,
 715                                       "Failed to deallocate uar-%u [%d]\n",
 716                                       cmd.uar, err);
 717                 return err;
 718         }
 719
 720         return 0;
 721 }
 722
 723 int efa_com_get_stats(struct efa_com_dev *edev,
 724                       struct efa_com_get_stats_params *params,
 725                       union efa_com_get_stats_result *result)
 726 {
 727         struct efa_com_admin_queue *aq = &edev->aq;
 728         struct efa_admin_aq_get_stats_cmd cmd = {};
 729         struct efa_admin_acq_get_stats_resp resp;
 730         int err;
 731
 732         cmd.aq_common_descriptor.opcode = EFA_ADMIN_GET_STATS;
 733         cmd.type = params->type;
 734         cmd.scope = params->scope;
 735         cmd.scope_modifier = params->scope_modifier;
 736
 737         err = efa_com_cmd_exec(aq,
 738                                (struct efa_admin_aq_entry *)&cmd,
 739                                sizeof(cmd),
 740                                (struct efa_admin_acq_entry *)&resp,
 741                                sizeof(resp));
 742         if (err) {
 743                 ibdev_err_ratelimited(
 744                         edev->efa_dev,
 745                         "Failed to get stats type-%u scope-%u.%u [%d]\n",
 746                         cmd.type, cmd.scope, cmd.scope_modifier, err);
 747                 return err;
 748         }
 749
 750         result->basic_stats.tx_bytes = resp.basic_stats.tx_bytes;
 751         result->basic_stats.tx_pkts = resp.basic_stats.tx_pkts;
 752         result->basic_stats.rx_bytes = resp.basic_stats.rx_bytes;
 753         result->basic_stats.rx_pkts = resp.basic_stats.rx_pkts;
 754         result->basic_stats.rx_drops = resp.basic_stats.rx_drops;
 755
 756         return 0;
 757 }