1 // SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause 2 /* 3 * Copyright 2018-2021 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 } 171 172 efa_com_set_dma_addr(params->dma_addr, 173 &create_cmd.cq_ba.mem_addr_high, 174 &create_cmd.cq_ba.mem_addr_low); 175 176 err = efa_com_cmd_exec(aq, 177 (struct efa_admin_aq_entry *)&create_cmd, 178 sizeof(create_cmd), 179 (struct efa_admin_acq_entry *)&cmd_completion, 180 sizeof(cmd_completion)); 181 if (err) { 182 ibdev_err_ratelimited(edev->efa_dev, 183 "Failed to create cq[%d]\n", err); 184 return err; 185 } 186 187 result->cq_idx = cmd_completion.cq_idx; 188 result->actual_depth = params->cq_depth; 189 result->db_off = cmd_completion.db_offset; 190 result->db_valid = EFA_GET(&cmd_completion.flags, 191 EFA_ADMIN_CREATE_CQ_RESP_DB_VALID); 192 193 return 0; 194 } 195 196 int efa_com_destroy_cq(struct efa_com_dev *edev, 197 struct efa_com_destroy_cq_params *params) 198 { 199 struct efa_admin_destroy_cq_cmd destroy_cmd = {}; 200 struct efa_admin_destroy_cq_resp destroy_resp; 201 struct efa_com_admin_queue *aq = &edev->aq; 202 int err; 203 204 destroy_cmd.cq_idx = params->cq_idx; 205 destroy_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_CQ; 206 207 err = efa_com_cmd_exec(aq, 208 (struct efa_admin_aq_entry *)&destroy_cmd, 209 sizeof(destroy_cmd), 210 (struct efa_admin_acq_entry *)&destroy_resp, 211 sizeof(destroy_resp)); 212 213 if (err) { 214 ibdev_err_ratelimited(edev->efa_dev, 215 "Failed to destroy CQ-%u [%d]\n", 216 params->cq_idx, err); 217 return err; 218 } 219 220 return 0; 221 } 222 223 int efa_com_register_mr(struct efa_com_dev *edev, 224 struct efa_com_reg_mr_params *params, 225 struct efa_com_reg_mr_result *result) 226 { 227 struct efa_admin_reg_mr_resp cmd_completion; 228 struct efa_com_admin_queue *aq = &edev->aq; 229 struct efa_admin_reg_mr_cmd mr_cmd = {}; 230 int err; 231 232 mr_cmd.aq_common_desc.opcode = EFA_ADMIN_REG_MR; 233 mr_cmd.pd = params->pd; 234 mr_cmd.mr_length = params->mr_length_in_bytes; 235 EFA_SET(&mr_cmd.flags, EFA_ADMIN_REG_MR_CMD_PHYS_PAGE_SIZE_SHIFT, 236 params->page_shift); 237 mr_cmd.iova = params->iova; 238 mr_cmd.permissions = params->permissions; 239 240 if (params->inline_pbl) { 241 memcpy(mr_cmd.pbl.inline_pbl_array, 242 params->pbl.inline_pbl_array, 243 sizeof(mr_cmd.pbl.inline_pbl_array)); 244 } else { 245 mr_cmd.pbl.pbl.length = params->pbl.pbl.length; 246 mr_cmd.pbl.pbl.address.mem_addr_low = 247 params->pbl.pbl.address.mem_addr_low; 248 mr_cmd.pbl.pbl.address.mem_addr_high = 249 params->pbl.pbl.address.mem_addr_high; 250 EFA_SET(&mr_cmd.aq_common_desc.flags, 251 EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA, 1); 252 if (params->indirect) 253 EFA_SET(&mr_cmd.aq_common_desc.flags, 254 EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT, 1); 255 } 256 257 err = efa_com_cmd_exec(aq, 258 (struct efa_admin_aq_entry *)&mr_cmd, 259 sizeof(mr_cmd), 260 (struct efa_admin_acq_entry *)&cmd_completion, 261 sizeof(cmd_completion)); 262 if (err) { 263 ibdev_err_ratelimited(edev->efa_dev, 264 "Failed to register mr [%d]\n", err); 265 return err; 266 } 267 268 result->l_key = cmd_completion.l_key; 269 result->r_key = cmd_completion.r_key; 270 271 return 0; 272 } 273 274 int efa_com_dereg_mr(struct efa_com_dev *edev, 275 struct efa_com_dereg_mr_params *params) 276 { 277 struct efa_admin_dereg_mr_resp cmd_completion; 278 struct efa_com_admin_queue *aq = &edev->aq; 279 struct efa_admin_dereg_mr_cmd mr_cmd = {}; 280 int err; 281 282 mr_cmd.aq_common_desc.opcode = EFA_ADMIN_DEREG_MR; 283 mr_cmd.l_key = params->l_key; 284 285 err = efa_com_cmd_exec(aq, 286 (struct efa_admin_aq_entry *)&mr_cmd, 287 sizeof(mr_cmd), 288 (struct efa_admin_acq_entry *)&cmd_completion, 289 sizeof(cmd_completion)); 290 if (err) { 291 ibdev_err_ratelimited(edev->efa_dev, 292 "Failed to de-register mr(lkey-%u) [%d]\n", 293 mr_cmd.l_key, err); 294 return err; 295 } 296 297 return 0; 298 } 299 300 int efa_com_create_ah(struct efa_com_dev *edev, 301 struct efa_com_create_ah_params *params, 302 struct efa_com_create_ah_result *result) 303 { 304 struct efa_admin_create_ah_resp cmd_completion; 305 struct efa_com_admin_queue *aq = &edev->aq; 306 struct efa_admin_create_ah_cmd ah_cmd = {}; 307 int err; 308 309 ah_cmd.aq_common_desc.opcode = EFA_ADMIN_CREATE_AH; 310 311 memcpy(ah_cmd.dest_addr, params->dest_addr, sizeof(ah_cmd.dest_addr)); 312 ah_cmd.pd = params->pdn; 313 314 err = efa_com_cmd_exec(aq, 315 (struct efa_admin_aq_entry *)&ah_cmd, 316 sizeof(ah_cmd), 317 (struct efa_admin_acq_entry *)&cmd_completion, 318 sizeof(cmd_completion)); 319 if (err) { 320 ibdev_err_ratelimited(edev->efa_dev, 321 "Failed to create ah for %pI6 [%d]\n", 322 ah_cmd.dest_addr, err); 323 return err; 324 } 325 326 result->ah = cmd_completion.ah; 327 328 return 0; 329 } 330 331 int efa_com_destroy_ah(struct efa_com_dev *edev, 332 struct efa_com_destroy_ah_params *params) 333 { 334 struct efa_admin_destroy_ah_resp cmd_completion; 335 struct efa_admin_destroy_ah_cmd ah_cmd = {}; 336 struct efa_com_admin_queue *aq = &edev->aq; 337 int err; 338 339 ah_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_AH; 340 ah_cmd.ah = params->ah; 341 ah_cmd.pd = params->pdn; 342 343 err = efa_com_cmd_exec(aq, 344 (struct efa_admin_aq_entry *)&ah_cmd, 345 sizeof(ah_cmd), 346 (struct efa_admin_acq_entry *)&cmd_completion, 347 sizeof(cmd_completion)); 348 if (err) { 349 ibdev_err_ratelimited(edev->efa_dev, 350 "Failed to destroy ah-%d pd-%d [%d]\n", 351 ah_cmd.ah, ah_cmd.pd, err); 352 return err; 353 } 354 355 return 0; 356 } 357 358 bool 359 efa_com_check_supported_feature_id(struct efa_com_dev *edev, 360 enum efa_admin_aq_feature_id feature_id) 361 { 362 u32 feature_mask = 1 << feature_id; 363 364 /* Device attributes is always supported */ 365 if (feature_id != EFA_ADMIN_DEVICE_ATTR && 366 !(edev->supported_features & feature_mask)) 367 return false; 368 369 return true; 370 } 371 372 static int efa_com_get_feature_ex(struct efa_com_dev *edev, 373 struct efa_admin_get_feature_resp *get_resp, 374 enum efa_admin_aq_feature_id feature_id, 375 dma_addr_t control_buf_dma_addr, 376 u32 control_buff_size) 377 { 378 struct efa_admin_get_feature_cmd get_cmd = {}; 379 struct efa_com_admin_queue *aq; 380 int err; 381 382 if (!efa_com_check_supported_feature_id(edev, feature_id)) { 383 ibdev_err_ratelimited(edev->efa_dev, 384 "Feature %d isn't supported\n", 385 feature_id); 386 return -EOPNOTSUPP; 387 } 388 389 aq = &edev->aq; 390 391 get_cmd.aq_common_descriptor.opcode = EFA_ADMIN_GET_FEATURE; 392 393 if (control_buff_size) 394 EFA_SET(&get_cmd.aq_common_descriptor.flags, 395 EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA, 1); 396 397 efa_com_set_dma_addr(control_buf_dma_addr, 398 &get_cmd.control_buffer.address.mem_addr_high, 399 &get_cmd.control_buffer.address.mem_addr_low); 400 401 get_cmd.control_buffer.length = control_buff_size; 402 get_cmd.feature_common.feature_id = feature_id; 403 err = efa_com_cmd_exec(aq, 404 (struct efa_admin_aq_entry *) 405 &get_cmd, 406 sizeof(get_cmd), 407 (struct efa_admin_acq_entry *) 408 get_resp, 409 sizeof(*get_resp)); 410 411 if (err) { 412 ibdev_err_ratelimited( 413 edev->efa_dev, 414 "Failed to submit get_feature command %d [%d]\n", 415 feature_id, err); 416 return err; 417 } 418 419 return 0; 420 } 421 422 static int efa_com_get_feature(struct efa_com_dev *edev, 423 struct efa_admin_get_feature_resp *get_resp, 424 enum efa_admin_aq_feature_id feature_id) 425 { 426 return efa_com_get_feature_ex(edev, get_resp, feature_id, 0, 0); 427 } 428 429 int efa_com_get_device_attr(struct efa_com_dev *edev, 430 struct efa_com_get_device_attr_result *result) 431 { 432 struct efa_admin_get_feature_resp resp; 433 int err; 434 435 err = efa_com_get_feature(edev, &resp, EFA_ADMIN_DEVICE_ATTR); 436 if (err) { 437 ibdev_err_ratelimited(edev->efa_dev, 438 "Failed to get device attributes %d\n", 439 err); 440 return err; 441 } 442 443 result->page_size_cap = resp.u.device_attr.page_size_cap; 444 result->fw_version = resp.u.device_attr.fw_version; 445 result->admin_api_version = resp.u.device_attr.admin_api_version; 446 result->device_version = resp.u.device_attr.device_version; 447 result->supported_features = resp.u.device_attr.supported_features; 448 result->phys_addr_width = resp.u.device_attr.phys_addr_width; 449 result->virt_addr_width = resp.u.device_attr.virt_addr_width; 450 result->db_bar = resp.u.device_attr.db_bar; 451 result->max_rdma_size = resp.u.device_attr.max_rdma_size; 452 result->device_caps = resp.u.device_attr.device_caps; 453 454 if (result->admin_api_version < 1) { 455 ibdev_err_ratelimited( 456 edev->efa_dev, 457 "Failed to get device attr api version [%u < 1]\n", 458 result->admin_api_version); 459 return -EINVAL; 460 } 461 462 edev->supported_features = resp.u.device_attr.supported_features; 463 err = efa_com_get_feature(edev, &resp, 464 EFA_ADMIN_QUEUE_ATTR); 465 if (err) { 466 ibdev_err_ratelimited(edev->efa_dev, 467 "Failed to get queue attributes %d\n", 468 err); 469 return err; 470 } 471 472 result->max_qp = resp.u.queue_attr.max_qp; 473 result->max_sq_depth = resp.u.queue_attr.max_sq_depth; 474 result->max_rq_depth = resp.u.queue_attr.max_rq_depth; 475 result->max_cq = resp.u.queue_attr.max_cq; 476 result->max_cq_depth = resp.u.queue_attr.max_cq_depth; 477 result->inline_buf_size = resp.u.queue_attr.inline_buf_size; 478 result->max_sq_sge = resp.u.queue_attr.max_wr_send_sges; 479 result->max_rq_sge = resp.u.queue_attr.max_wr_recv_sges; 480 result->max_mr = resp.u.queue_attr.max_mr; 481 result->max_mr_pages = resp.u.queue_attr.max_mr_pages; 482 result->max_pd = resp.u.queue_attr.max_pd; 483 result->max_ah = resp.u.queue_attr.max_ah; 484 result->max_llq_size = resp.u.queue_attr.max_llq_size; 485 result->sub_cqs_per_cq = resp.u.queue_attr.sub_cqs_per_cq; 486 result->max_wr_rdma_sge = resp.u.queue_attr.max_wr_rdma_sges; 487 result->max_tx_batch = resp.u.queue_attr.max_tx_batch; 488 result->min_sq_depth = resp.u.queue_attr.min_sq_depth; 489 490 err = efa_com_get_feature(edev, &resp, EFA_ADMIN_NETWORK_ATTR); 491 if (err) { 492 ibdev_err_ratelimited(edev->efa_dev, 493 "Failed to get network attributes %d\n", 494 err); 495 return err; 496 } 497 498 memcpy(result->addr, resp.u.network_attr.addr, 499 sizeof(resp.u.network_attr.addr)); 500 result->mtu = resp.u.network_attr.mtu; 501 502 if (efa_com_check_supported_feature_id(edev, 503 EFA_ADMIN_EVENT_QUEUE_ATTR)) { 504 err = efa_com_get_feature(edev, &resp, 505 EFA_ADMIN_EVENT_QUEUE_ATTR); 506 if (err) { 507 ibdev_err_ratelimited( 508 edev->efa_dev, 509 "Failed to get event queue attributes %d\n", 510 err); 511 return err; 512 } 513 514 result->max_eq = resp.u.event_queue_attr.max_eq; 515 result->max_eq_depth = resp.u.event_queue_attr.max_eq_depth; 516 result->event_bitmask = resp.u.event_queue_attr.event_bitmask; 517 } 518 519 return 0; 520 } 521 522 int efa_com_get_hw_hints(struct efa_com_dev *edev, 523 struct efa_com_get_hw_hints_result *result) 524 { 525 struct efa_admin_get_feature_resp resp; 526 int err; 527 528 err = efa_com_get_feature(edev, &resp, EFA_ADMIN_HW_HINTS); 529 if (err) { 530 ibdev_err_ratelimited(edev->efa_dev, 531 "Failed to get hw hints %d\n", err); 532 return err; 533 } 534 535 result->admin_completion_timeout = resp.u.hw_hints.admin_completion_timeout; 536 result->driver_watchdog_timeout = resp.u.hw_hints.driver_watchdog_timeout; 537 result->mmio_read_timeout = resp.u.hw_hints.mmio_read_timeout; 538 result->poll_interval = resp.u.hw_hints.poll_interval; 539 540 return 0; 541 } 542 543 int efa_com_set_feature_ex(struct efa_com_dev *edev, 544 struct efa_admin_set_feature_resp *set_resp, 545 struct efa_admin_set_feature_cmd *set_cmd, 546 enum efa_admin_aq_feature_id feature_id, 547 dma_addr_t control_buf_dma_addr, 548 u32 control_buff_size) 549 { 550 struct efa_com_admin_queue *aq; 551 int err; 552 553 if (!efa_com_check_supported_feature_id(edev, feature_id)) { 554 ibdev_err_ratelimited(edev->efa_dev, 555 "Feature %d isn't supported\n", 556 feature_id); 557 return -EOPNOTSUPP; 558 } 559 560 aq = &edev->aq; 561 562 set_cmd->aq_common_descriptor.opcode = EFA_ADMIN_SET_FEATURE; 563 if (control_buff_size) { 564 set_cmd->aq_common_descriptor.flags = 0; 565 EFA_SET(&set_cmd->aq_common_descriptor.flags, 566 EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA, 1); 567 efa_com_set_dma_addr(control_buf_dma_addr, 568 &set_cmd->control_buffer.address.mem_addr_high, 569 &set_cmd->control_buffer.address.mem_addr_low); 570 } 571 572 set_cmd->control_buffer.length = control_buff_size; 573 set_cmd->feature_common.feature_id = feature_id; 574 err = efa_com_cmd_exec(aq, 575 (struct efa_admin_aq_entry *)set_cmd, 576 sizeof(*set_cmd), 577 (struct efa_admin_acq_entry *)set_resp, 578 sizeof(*set_resp)); 579 580 if (err) { 581 ibdev_err_ratelimited( 582 edev->efa_dev, 583 "Failed to submit set_feature command %d error: %d\n", 584 feature_id, err); 585 return err; 586 } 587 588 return 0; 589 } 590 591 static int efa_com_set_feature(struct efa_com_dev *edev, 592 struct efa_admin_set_feature_resp *set_resp, 593 struct efa_admin_set_feature_cmd *set_cmd, 594 enum efa_admin_aq_feature_id feature_id) 595 { 596 return efa_com_set_feature_ex(edev, set_resp, set_cmd, feature_id, 597 0, 0); 598 } 599 600 int efa_com_set_aenq_config(struct efa_com_dev *edev, u32 groups) 601 { 602 struct efa_admin_get_feature_resp get_resp; 603 struct efa_admin_set_feature_resp set_resp; 604 struct efa_admin_set_feature_cmd cmd = {}; 605 int err; 606 607 ibdev_dbg(edev->efa_dev, "Configuring aenq with groups[%#x]\n", groups); 608 609 err = efa_com_get_feature(edev, &get_resp, EFA_ADMIN_AENQ_CONFIG); 610 if (err) { 611 ibdev_err_ratelimited(edev->efa_dev, 612 "Failed to get aenq attributes: %d\n", 613 err); 614 return err; 615 } 616 617 ibdev_dbg(edev->efa_dev, 618 "Get aenq groups: supported[%#x] enabled[%#x]\n", 619 get_resp.u.aenq.supported_groups, 620 get_resp.u.aenq.enabled_groups); 621 622 if ((get_resp.u.aenq.supported_groups & groups) != groups) { 623 ibdev_err_ratelimited( 624 edev->efa_dev, 625 "Trying to set unsupported aenq groups[%#x] supported[%#x]\n", 626 groups, get_resp.u.aenq.supported_groups); 627 return -EOPNOTSUPP; 628 } 629 630 cmd.u.aenq.enabled_groups = groups; 631 err = efa_com_set_feature(edev, &set_resp, &cmd, 632 EFA_ADMIN_AENQ_CONFIG); 633 if (err) { 634 ibdev_err_ratelimited(edev->efa_dev, 635 "Failed to set aenq attributes: %d\n", 636 err); 637 return err; 638 } 639 640 return 0; 641 } 642 643 int efa_com_alloc_pd(struct efa_com_dev *edev, 644 struct efa_com_alloc_pd_result *result) 645 { 646 struct efa_com_admin_queue *aq = &edev->aq; 647 struct efa_admin_alloc_pd_cmd cmd = {}; 648 struct efa_admin_alloc_pd_resp resp; 649 int err; 650 651 cmd.aq_common_descriptor.opcode = EFA_ADMIN_ALLOC_PD; 652 653 err = efa_com_cmd_exec(aq, 654 (struct efa_admin_aq_entry *)&cmd, 655 sizeof(cmd), 656 (struct efa_admin_acq_entry *)&resp, 657 sizeof(resp)); 658 if (err) { 659 ibdev_err_ratelimited(edev->efa_dev, 660 "Failed to allocate pd[%d]\n", err); 661 return err; 662 } 663 664 result->pdn = resp.pd; 665 666 return 0; 667 } 668 669 int efa_com_dealloc_pd(struct efa_com_dev *edev, 670 struct efa_com_dealloc_pd_params *params) 671 { 672 struct efa_com_admin_queue *aq = &edev->aq; 673 struct efa_admin_dealloc_pd_cmd cmd = {}; 674 struct efa_admin_dealloc_pd_resp resp; 675 int err; 676 677 cmd.aq_common_descriptor.opcode = EFA_ADMIN_DEALLOC_PD; 678 cmd.pd = params->pdn; 679 680 err = efa_com_cmd_exec(aq, 681 (struct efa_admin_aq_entry *)&cmd, 682 sizeof(cmd), 683 (struct efa_admin_acq_entry *)&resp, 684 sizeof(resp)); 685 if (err) { 686 ibdev_err_ratelimited(edev->efa_dev, 687 "Failed to deallocate pd-%u [%d]\n", 688 cmd.pd, err); 689 return err; 690 } 691 692 return 0; 693 } 694 695 int efa_com_alloc_uar(struct efa_com_dev *edev, 696 struct efa_com_alloc_uar_result *result) 697 { 698 struct efa_com_admin_queue *aq = &edev->aq; 699 struct efa_admin_alloc_uar_cmd cmd = {}; 700 struct efa_admin_alloc_uar_resp resp; 701 int err; 702 703 cmd.aq_common_descriptor.opcode = EFA_ADMIN_ALLOC_UAR; 704 705 err = efa_com_cmd_exec(aq, 706 (struct efa_admin_aq_entry *)&cmd, 707 sizeof(cmd), 708 (struct efa_admin_acq_entry *)&resp, 709 sizeof(resp)); 710 if (err) { 711 ibdev_err_ratelimited(edev->efa_dev, 712 "Failed to allocate uar[%d]\n", err); 713 return err; 714 } 715 716 result->uarn = resp.uar; 717 718 return 0; 719 } 720 721 int efa_com_dealloc_uar(struct efa_com_dev *edev, 722 struct efa_com_dealloc_uar_params *params) 723 { 724 struct efa_com_admin_queue *aq = &edev->aq; 725 struct efa_admin_dealloc_uar_cmd cmd = {}; 726 struct efa_admin_dealloc_uar_resp resp; 727 int err; 728 729 cmd.aq_common_descriptor.opcode = EFA_ADMIN_DEALLOC_UAR; 730 cmd.uar = params->uarn; 731 732 err = efa_com_cmd_exec(aq, 733 (struct efa_admin_aq_entry *)&cmd, 734 sizeof(cmd), 735 (struct efa_admin_acq_entry *)&resp, 736 sizeof(resp)); 737 if (err) { 738 ibdev_err_ratelimited(edev->efa_dev, 739 "Failed to deallocate uar-%u [%d]\n", 740 cmd.uar, err); 741 return err; 742 } 743 744 return 0; 745 } 746 747 int efa_com_get_stats(struct efa_com_dev *edev, 748 struct efa_com_get_stats_params *params, 749 union efa_com_get_stats_result *result) 750 { 751 struct efa_com_admin_queue *aq = &edev->aq; 752 struct efa_admin_aq_get_stats_cmd cmd = {}; 753 struct efa_admin_acq_get_stats_resp resp; 754 int err; 755 756 cmd.aq_common_descriptor.opcode = EFA_ADMIN_GET_STATS; 757 cmd.type = params->type; 758 cmd.scope = params->scope; 759 cmd.scope_modifier = params->scope_modifier; 760 761 err = efa_com_cmd_exec(aq, 762 (struct efa_admin_aq_entry *)&cmd, 763 sizeof(cmd), 764 (struct efa_admin_acq_entry *)&resp, 765 sizeof(resp)); 766 if (err) { 767 ibdev_err_ratelimited( 768 edev->efa_dev, 769 "Failed to get stats type-%u scope-%u.%u [%d]\n", 770 cmd.type, cmd.scope, cmd.scope_modifier, err); 771 return err; 772 } 773 774 switch (cmd.type) { 775 case EFA_ADMIN_GET_STATS_TYPE_BASIC: 776 result->basic_stats.tx_bytes = resp.u.basic_stats.tx_bytes; 777 result->basic_stats.tx_pkts = resp.u.basic_stats.tx_pkts; 778 result->basic_stats.rx_bytes = resp.u.basic_stats.rx_bytes; 779 result->basic_stats.rx_pkts = resp.u.basic_stats.rx_pkts; 780 result->basic_stats.rx_drops = resp.u.basic_stats.rx_drops; 781 break; 782 case EFA_ADMIN_GET_STATS_TYPE_MESSAGES: 783 result->messages_stats.send_bytes = resp.u.messages_stats.send_bytes; 784 result->messages_stats.send_wrs = resp.u.messages_stats.send_wrs; 785 result->messages_stats.recv_bytes = resp.u.messages_stats.recv_bytes; 786 result->messages_stats.recv_wrs = resp.u.messages_stats.recv_wrs; 787 break; 788 case EFA_ADMIN_GET_STATS_TYPE_RDMA_READ: 789 result->rdma_read_stats.read_wrs = resp.u.rdma_read_stats.read_wrs; 790 result->rdma_read_stats.read_bytes = resp.u.rdma_read_stats.read_bytes; 791 result->rdma_read_stats.read_wr_err = resp.u.rdma_read_stats.read_wr_err; 792 result->rdma_read_stats.read_resp_bytes = resp.u.rdma_read_stats.read_resp_bytes; 793 break; 794 } 795 796 return 0; 797 } 798