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; 447 448 if (result->admin_api_version < 1) { 449 ibdev_err_ratelimited( 450 edev->efa_dev, 451 "Failed to get device attr api version [%u < 1]\n", 452 result->admin_api_version); 453 return -EINVAL; 454 } 455 456 edev->supported_features = resp.u.device_attr.supported_features; 457 err = efa_com_get_feature(edev, &resp, 458 EFA_ADMIN_QUEUE_ATTR); 459 if (err) { 460 ibdev_err_ratelimited(edev->efa_dev, 461 "Failed to get queue attributes %d\n", 462 err); 463 return err; 464 } 465 466 result->max_qp = resp.u.queue_attr.max_qp; 467 result->max_sq_depth = resp.u.queue_attr.max_sq_depth; 468 result->max_rq_depth = resp.u.queue_attr.max_rq_depth; 469 result->max_cq = resp.u.queue_attr.max_cq; 470 result->max_cq_depth = resp.u.queue_attr.max_cq_depth; 471 result->inline_buf_size = resp.u.queue_attr.inline_buf_size; 472 result->max_sq_sge = resp.u.queue_attr.max_wr_send_sges; 473 result->max_rq_sge = resp.u.queue_attr.max_wr_recv_sges; 474 result->max_mr = resp.u.queue_attr.max_mr; 475 result->max_mr_pages = resp.u.queue_attr.max_mr_pages; 476 result->max_pd = resp.u.queue_attr.max_pd; 477 result->max_ah = resp.u.queue_attr.max_ah; 478 result->max_llq_size = resp.u.queue_attr.max_llq_size; 479 result->sub_cqs_per_cq = resp.u.queue_attr.sub_cqs_per_cq; 480 481 err = efa_com_get_feature(edev, &resp, EFA_ADMIN_NETWORK_ATTR); 482 if (err) { 483 ibdev_err_ratelimited(edev->efa_dev, 484 "Failed to get network attributes %d\n", 485 err); 486 return err; 487 } 488 489 memcpy(result->addr, resp.u.network_attr.addr, 490 sizeof(resp.u.network_attr.addr)); 491 result->mtu = resp.u.network_attr.mtu; 492 493 return 0; 494 } 495 496 int efa_com_get_hw_hints(struct efa_com_dev *edev, 497 struct efa_com_get_hw_hints_result *result) 498 { 499 struct efa_admin_get_feature_resp resp; 500 int err; 501 502 err = efa_com_get_feature(edev, &resp, EFA_ADMIN_HW_HINTS); 503 if (err) { 504 ibdev_err_ratelimited(edev->efa_dev, 505 "Failed to get hw hints %d\n", err); 506 return err; 507 } 508 509 result->admin_completion_timeout = resp.u.hw_hints.admin_completion_timeout; 510 result->driver_watchdog_timeout = resp.u.hw_hints.driver_watchdog_timeout; 511 result->mmio_read_timeout = resp.u.hw_hints.mmio_read_timeout; 512 result->poll_interval = resp.u.hw_hints.poll_interval; 513 514 return 0; 515 } 516 517 static int efa_com_set_feature_ex(struct efa_com_dev *edev, 518 struct efa_admin_set_feature_resp *set_resp, 519 struct efa_admin_set_feature_cmd *set_cmd, 520 enum efa_admin_aq_feature_id feature_id, 521 dma_addr_t control_buf_dma_addr, 522 u32 control_buff_size) 523 { 524 struct efa_com_admin_queue *aq; 525 int err; 526 527 if (!efa_com_check_supported_feature_id(edev, feature_id)) { 528 ibdev_err_ratelimited(edev->efa_dev, 529 "Feature %d isn't supported\n", 530 feature_id); 531 return -EOPNOTSUPP; 532 } 533 534 aq = &edev->aq; 535 536 set_cmd->aq_common_descriptor.opcode = EFA_ADMIN_SET_FEATURE; 537 if (control_buff_size) { 538 set_cmd->aq_common_descriptor.flags = 539 EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_MASK; 540 efa_com_set_dma_addr(control_buf_dma_addr, 541 &set_cmd->control_buffer.address.mem_addr_high, 542 &set_cmd->control_buffer.address.mem_addr_low); 543 } 544 545 set_cmd->control_buffer.length = control_buff_size; 546 set_cmd->feature_common.feature_id = feature_id; 547 err = efa_com_cmd_exec(aq, 548 (struct efa_admin_aq_entry *)set_cmd, 549 sizeof(*set_cmd), 550 (struct efa_admin_acq_entry *)set_resp, 551 sizeof(*set_resp)); 552 553 if (err) { 554 ibdev_err_ratelimited( 555 edev->efa_dev, 556 "Failed to submit set_feature command %d error: %d\n", 557 feature_id, err); 558 return err; 559 } 560 561 return 0; 562 } 563 564 static int efa_com_set_feature(struct efa_com_dev *edev, 565 struct efa_admin_set_feature_resp *set_resp, 566 struct efa_admin_set_feature_cmd *set_cmd, 567 enum efa_admin_aq_feature_id feature_id) 568 { 569 return efa_com_set_feature_ex(edev, set_resp, set_cmd, feature_id, 570 0, 0); 571 } 572 573 int efa_com_set_aenq_config(struct efa_com_dev *edev, u32 groups) 574 { 575 struct efa_admin_get_feature_resp get_resp; 576 struct efa_admin_set_feature_resp set_resp; 577 struct efa_admin_set_feature_cmd cmd = {}; 578 int err; 579 580 ibdev_dbg(edev->efa_dev, "Configuring aenq with groups[%#x]\n", groups); 581 582 err = efa_com_get_feature(edev, &get_resp, EFA_ADMIN_AENQ_CONFIG); 583 if (err) { 584 ibdev_err_ratelimited(edev->efa_dev, 585 "Failed to get aenq attributes: %d\n", 586 err); 587 return err; 588 } 589 590 ibdev_dbg(edev->efa_dev, 591 "Get aenq groups: supported[%#x] enabled[%#x]\n", 592 get_resp.u.aenq.supported_groups, 593 get_resp.u.aenq.enabled_groups); 594 595 if ((get_resp.u.aenq.supported_groups & groups) != groups) { 596 ibdev_err_ratelimited( 597 edev->efa_dev, 598 "Trying to set unsupported aenq groups[%#x] supported[%#x]\n", 599 groups, get_resp.u.aenq.supported_groups); 600 return -EOPNOTSUPP; 601 } 602 603 cmd.u.aenq.enabled_groups = groups; 604 err = efa_com_set_feature(edev, &set_resp, &cmd, 605 EFA_ADMIN_AENQ_CONFIG); 606 if (err) { 607 ibdev_err_ratelimited(edev->efa_dev, 608 "Failed to set aenq attributes: %d\n", 609 err); 610 return err; 611 } 612 613 return 0; 614 } 615 616 int efa_com_alloc_pd(struct efa_com_dev *edev, 617 struct efa_com_alloc_pd_result *result) 618 { 619 struct efa_com_admin_queue *aq = &edev->aq; 620 struct efa_admin_alloc_pd_cmd cmd = {}; 621 struct efa_admin_alloc_pd_resp resp; 622 int err; 623 624 cmd.aq_common_descriptor.opcode = EFA_ADMIN_ALLOC_PD; 625 626 err = efa_com_cmd_exec(aq, 627 (struct efa_admin_aq_entry *)&cmd, 628 sizeof(cmd), 629 (struct efa_admin_acq_entry *)&resp, 630 sizeof(resp)); 631 if (err) { 632 ibdev_err_ratelimited(edev->efa_dev, 633 "Failed to allocate pd[%d]\n", err); 634 return err; 635 } 636 637 result->pdn = resp.pd; 638 639 return 0; 640 } 641 642 int efa_com_dealloc_pd(struct efa_com_dev *edev, 643 struct efa_com_dealloc_pd_params *params) 644 { 645 struct efa_com_admin_queue *aq = &edev->aq; 646 struct efa_admin_dealloc_pd_cmd cmd = {}; 647 struct efa_admin_dealloc_pd_resp resp; 648 int err; 649 650 cmd.aq_common_descriptor.opcode = EFA_ADMIN_DEALLOC_PD; 651 cmd.pd = params->pdn; 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 deallocate pd-%u [%d]\n", 661 cmd.pd, err); 662 return err; 663 } 664 665 return 0; 666 } 667 668 int efa_com_alloc_uar(struct efa_com_dev *edev, 669 struct efa_com_alloc_uar_result *result) 670 { 671 struct efa_com_admin_queue *aq = &edev->aq; 672 struct efa_admin_alloc_uar_cmd cmd = {}; 673 struct efa_admin_alloc_uar_resp resp; 674 int err; 675 676 cmd.aq_common_descriptor.opcode = EFA_ADMIN_ALLOC_UAR; 677 678 err = efa_com_cmd_exec(aq, 679 (struct efa_admin_aq_entry *)&cmd, 680 sizeof(cmd), 681 (struct efa_admin_acq_entry *)&resp, 682 sizeof(resp)); 683 if (err) { 684 ibdev_err_ratelimited(edev->efa_dev, 685 "Failed to allocate uar[%d]\n", err); 686 return err; 687 } 688 689 result->uarn = resp.uar; 690 691 return 0; 692 } 693 694 int efa_com_dealloc_uar(struct efa_com_dev *edev, 695 struct efa_com_dealloc_uar_params *params) 696 { 697 struct efa_com_admin_queue *aq = &edev->aq; 698 struct efa_admin_dealloc_uar_cmd cmd = {}; 699 struct efa_admin_dealloc_uar_resp resp; 700 int err; 701 702 cmd.aq_common_descriptor.opcode = EFA_ADMIN_DEALLOC_UAR; 703 cmd.uar = params->uarn; 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 deallocate uar-%u [%d]\n", 713 cmd.uar, err); 714 return err; 715 } 716 717 return 0; 718 } 719 720 int efa_com_get_stats(struct efa_com_dev *edev, 721 struct efa_com_get_stats_params *params, 722 union efa_com_get_stats_result *result) 723 { 724 struct efa_com_admin_queue *aq = &edev->aq; 725 struct efa_admin_aq_get_stats_cmd cmd = {}; 726 struct efa_admin_acq_get_stats_resp resp; 727 int err; 728 729 cmd.aq_common_descriptor.opcode = EFA_ADMIN_GET_STATS; 730 cmd.type = params->type; 731 cmd.scope = params->scope; 732 cmd.scope_modifier = params->scope_modifier; 733 734 err = efa_com_cmd_exec(aq, 735 (struct efa_admin_aq_entry *)&cmd, 736 sizeof(cmd), 737 (struct efa_admin_acq_entry *)&resp, 738 sizeof(resp)); 739 if (err) { 740 ibdev_err_ratelimited( 741 edev->efa_dev, 742 "Failed to get stats type-%u scope-%u.%u [%d]\n", 743 cmd.type, cmd.scope, cmd.scope_modifier, err); 744 return err; 745 } 746 747 result->basic_stats.tx_bytes = resp.basic_stats.tx_bytes; 748 result->basic_stats.tx_pkts = resp.basic_stats.tx_pkts; 749 result->basic_stats.rx_bytes = resp.basic_stats.rx_bytes; 750 result->basic_stats.rx_pkts = resp.basic_stats.rx_pkts; 751 result->basic_stats.rx_drops = resp.basic_stats.rx_drops; 752 753 return 0; 754 } 755