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(edev->efa_dev, "Failed to create qp [%d]\n", err); 48 return err; 49 } 50 51 res->qp_handle = cmd_completion.qp_handle; 52 res->qp_num = cmd_completion.qp_num; 53 res->sq_db_offset = cmd_completion.sq_db_offset; 54 res->rq_db_offset = cmd_completion.rq_db_offset; 55 res->llq_descriptors_offset = cmd_completion.llq_descriptors_offset; 56 res->send_sub_cq_idx = cmd_completion.send_sub_cq_idx; 57 res->recv_sub_cq_idx = cmd_completion.recv_sub_cq_idx; 58 59 return 0; 60 } 61 62 int efa_com_modify_qp(struct efa_com_dev *edev, 63 struct efa_com_modify_qp_params *params) 64 { 65 struct efa_com_admin_queue *aq = &edev->aq; 66 struct efa_admin_modify_qp_cmd cmd = {}; 67 struct efa_admin_modify_qp_resp resp; 68 int err; 69 70 cmd.aq_common_desc.opcode = EFA_ADMIN_MODIFY_QP; 71 cmd.modify_mask = params->modify_mask; 72 cmd.qp_handle = params->qp_handle; 73 cmd.qp_state = params->qp_state; 74 cmd.cur_qp_state = params->cur_qp_state; 75 cmd.qkey = params->qkey; 76 cmd.sq_psn = params->sq_psn; 77 cmd.sq_drained_async_notify = params->sq_drained_async_notify; 78 79 err = efa_com_cmd_exec(aq, 80 (struct efa_admin_aq_entry *)&cmd, 81 sizeof(cmd), 82 (struct efa_admin_acq_entry *)&resp, 83 sizeof(resp)); 84 if (err) { 85 ibdev_err(edev->efa_dev, 86 "Failed to modify qp-%u modify_mask[%#x] [%d]\n", 87 cmd.qp_handle, cmd.modify_mask, err); 88 return err; 89 } 90 91 return 0; 92 } 93 94 int efa_com_query_qp(struct efa_com_dev *edev, 95 struct efa_com_query_qp_params *params, 96 struct efa_com_query_qp_result *result) 97 { 98 struct efa_com_admin_queue *aq = &edev->aq; 99 struct efa_admin_query_qp_cmd cmd = {}; 100 struct efa_admin_query_qp_resp resp; 101 int err; 102 103 cmd.aq_common_desc.opcode = EFA_ADMIN_QUERY_QP; 104 cmd.qp_handle = params->qp_handle; 105 106 err = efa_com_cmd_exec(aq, 107 (struct efa_admin_aq_entry *)&cmd, 108 sizeof(cmd), 109 (struct efa_admin_acq_entry *)&resp, 110 sizeof(resp)); 111 if (err) { 112 ibdev_err(edev->efa_dev, "Failed to query qp-%u [%d]\n", 113 cmd.qp_handle, err); 114 return err; 115 } 116 117 result->qp_state = resp.qp_state; 118 result->qkey = resp.qkey; 119 result->sq_draining = resp.sq_draining; 120 result->sq_psn = resp.sq_psn; 121 122 return 0; 123 } 124 125 int efa_com_destroy_qp(struct efa_com_dev *edev, 126 struct efa_com_destroy_qp_params *params) 127 { 128 struct efa_admin_destroy_qp_resp cmd_completion; 129 struct efa_admin_destroy_qp_cmd qp_cmd = {}; 130 struct efa_com_admin_queue *aq = &edev->aq; 131 int err; 132 133 qp_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_QP; 134 qp_cmd.qp_handle = params->qp_handle; 135 136 err = efa_com_cmd_exec(aq, 137 (struct efa_admin_aq_entry *)&qp_cmd, 138 sizeof(qp_cmd), 139 (struct efa_admin_acq_entry *)&cmd_completion, 140 sizeof(cmd_completion)); 141 if (err) { 142 ibdev_err(edev->efa_dev, "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 create_cmd.cq_caps_2 = (params->entry_size_in_bytes / 4) & 161 EFA_ADMIN_CREATE_CQ_CMD_CQ_ENTRY_SIZE_WORDS_MASK; 162 create_cmd.cq_depth = params->cq_depth; 163 create_cmd.num_sub_cqs = params->num_sub_cqs; 164 create_cmd.uar = params->uarn; 165 166 efa_com_set_dma_addr(params->dma_addr, 167 &create_cmd.cq_ba.mem_addr_high, 168 &create_cmd.cq_ba.mem_addr_low); 169 170 err = efa_com_cmd_exec(aq, 171 (struct efa_admin_aq_entry *)&create_cmd, 172 sizeof(create_cmd), 173 (struct efa_admin_acq_entry *)&cmd_completion, 174 sizeof(cmd_completion)); 175 if (err) { 176 ibdev_err(edev->efa_dev, "Failed to create cq[%d]\n", err); 177 return err; 178 } 179 180 result->cq_idx = cmd_completion.cq_idx; 181 result->actual_depth = params->cq_depth; 182 183 return 0; 184 } 185 186 int efa_com_destroy_cq(struct efa_com_dev *edev, 187 struct efa_com_destroy_cq_params *params) 188 { 189 struct efa_admin_destroy_cq_cmd destroy_cmd = {}; 190 struct efa_admin_destroy_cq_resp destroy_resp; 191 struct efa_com_admin_queue *aq = &edev->aq; 192 int err; 193 194 destroy_cmd.cq_idx = params->cq_idx; 195 destroy_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_CQ; 196 197 err = efa_com_cmd_exec(aq, 198 (struct efa_admin_aq_entry *)&destroy_cmd, 199 sizeof(destroy_cmd), 200 (struct efa_admin_acq_entry *)&destroy_resp, 201 sizeof(destroy_resp)); 202 203 if (err) { 204 ibdev_err(edev->efa_dev, "Failed to destroy CQ-%u [%d]\n", 205 params->cq_idx, err); 206 return err; 207 } 208 209 return 0; 210 } 211 212 int efa_com_register_mr(struct efa_com_dev *edev, 213 struct efa_com_reg_mr_params *params, 214 struct efa_com_reg_mr_result *result) 215 { 216 struct efa_admin_reg_mr_resp cmd_completion; 217 struct efa_com_admin_queue *aq = &edev->aq; 218 struct efa_admin_reg_mr_cmd mr_cmd = {}; 219 int err; 220 221 mr_cmd.aq_common_desc.opcode = EFA_ADMIN_REG_MR; 222 mr_cmd.pd = params->pd; 223 mr_cmd.mr_length = params->mr_length_in_bytes; 224 mr_cmd.flags |= params->page_shift & 225 EFA_ADMIN_REG_MR_CMD_PHYS_PAGE_SIZE_SHIFT_MASK; 226 mr_cmd.iova = params->iova; 227 mr_cmd.permissions |= params->permissions & 228 EFA_ADMIN_REG_MR_CMD_LOCAL_WRITE_ENABLE_MASK; 229 230 if (params->inline_pbl) { 231 memcpy(mr_cmd.pbl.inline_pbl_array, 232 params->pbl.inline_pbl_array, 233 sizeof(mr_cmd.pbl.inline_pbl_array)); 234 } else { 235 mr_cmd.pbl.pbl.length = params->pbl.pbl.length; 236 mr_cmd.pbl.pbl.address.mem_addr_low = 237 params->pbl.pbl.address.mem_addr_low; 238 mr_cmd.pbl.pbl.address.mem_addr_high = 239 params->pbl.pbl.address.mem_addr_high; 240 mr_cmd.aq_common_desc.flags |= 241 EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_MASK; 242 if (params->indirect) 243 mr_cmd.aq_common_desc.flags |= 244 EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_MASK; 245 } 246 247 err = efa_com_cmd_exec(aq, 248 (struct efa_admin_aq_entry *)&mr_cmd, 249 sizeof(mr_cmd), 250 (struct efa_admin_acq_entry *)&cmd_completion, 251 sizeof(cmd_completion)); 252 if (err) { 253 ibdev_err(edev->efa_dev, "Failed to register mr [%d]\n", err); 254 return err; 255 } 256 257 result->l_key = cmd_completion.l_key; 258 result->r_key = cmd_completion.r_key; 259 260 return 0; 261 } 262 263 int efa_com_dereg_mr(struct efa_com_dev *edev, 264 struct efa_com_dereg_mr_params *params) 265 { 266 struct efa_admin_dereg_mr_resp cmd_completion; 267 struct efa_com_admin_queue *aq = &edev->aq; 268 struct efa_admin_dereg_mr_cmd mr_cmd = {}; 269 int err; 270 271 mr_cmd.aq_common_desc.opcode = EFA_ADMIN_DEREG_MR; 272 mr_cmd.l_key = params->l_key; 273 274 err = efa_com_cmd_exec(aq, 275 (struct efa_admin_aq_entry *)&mr_cmd, 276 sizeof(mr_cmd), 277 (struct efa_admin_acq_entry *)&cmd_completion, 278 sizeof(cmd_completion)); 279 if (err) { 280 ibdev_err(edev->efa_dev, 281 "Failed to de-register mr(lkey-%u) [%d]\n", 282 mr_cmd.l_key, err); 283 return err; 284 } 285 286 return 0; 287 } 288 289 int efa_com_create_ah(struct efa_com_dev *edev, 290 struct efa_com_create_ah_params *params, 291 struct efa_com_create_ah_result *result) 292 { 293 struct efa_admin_create_ah_resp cmd_completion; 294 struct efa_com_admin_queue *aq = &edev->aq; 295 struct efa_admin_create_ah_cmd ah_cmd = {}; 296 int err; 297 298 ah_cmd.aq_common_desc.opcode = EFA_ADMIN_CREATE_AH; 299 300 memcpy(ah_cmd.dest_addr, params->dest_addr, sizeof(ah_cmd.dest_addr)); 301 ah_cmd.pd = params->pdn; 302 303 err = efa_com_cmd_exec(aq, 304 (struct efa_admin_aq_entry *)&ah_cmd, 305 sizeof(ah_cmd), 306 (struct efa_admin_acq_entry *)&cmd_completion, 307 sizeof(cmd_completion)); 308 if (err) { 309 ibdev_err(edev->efa_dev, "Failed to create ah for %pI6 [%d]\n", 310 ah_cmd.dest_addr, err); 311 return err; 312 } 313 314 result->ah = cmd_completion.ah; 315 316 return 0; 317 } 318 319 int efa_com_destroy_ah(struct efa_com_dev *edev, 320 struct efa_com_destroy_ah_params *params) 321 { 322 struct efa_admin_destroy_ah_resp cmd_completion; 323 struct efa_admin_destroy_ah_cmd ah_cmd = {}; 324 struct efa_com_admin_queue *aq = &edev->aq; 325 int err; 326 327 ah_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_AH; 328 ah_cmd.ah = params->ah; 329 ah_cmd.pd = params->pdn; 330 331 err = efa_com_cmd_exec(aq, 332 (struct efa_admin_aq_entry *)&ah_cmd, 333 sizeof(ah_cmd), 334 (struct efa_admin_acq_entry *)&cmd_completion, 335 sizeof(cmd_completion)); 336 if (err) { 337 ibdev_err(edev->efa_dev, "Failed to destroy ah-%d pd-%d [%d]\n", 338 ah_cmd.ah, ah_cmd.pd, err); 339 return err; 340 } 341 342 return 0; 343 } 344 345 static bool 346 efa_com_check_supported_feature_id(struct efa_com_dev *edev, 347 enum efa_admin_aq_feature_id feature_id) 348 { 349 u32 feature_mask = 1 << feature_id; 350 351 /* Device attributes is always supported */ 352 if (feature_id != EFA_ADMIN_DEVICE_ATTR && 353 !(edev->supported_features & feature_mask)) 354 return false; 355 356 return true; 357 } 358 359 static int efa_com_get_feature_ex(struct efa_com_dev *edev, 360 struct efa_admin_get_feature_resp *get_resp, 361 enum efa_admin_aq_feature_id feature_id, 362 dma_addr_t control_buf_dma_addr, 363 u32 control_buff_size) 364 { 365 struct efa_admin_get_feature_cmd get_cmd = {}; 366 struct efa_com_admin_queue *aq; 367 int err; 368 369 if (!efa_com_check_supported_feature_id(edev, feature_id)) { 370 ibdev_err(edev->efa_dev, "Feature %d isn't supported\n", 371 feature_id); 372 return -EOPNOTSUPP; 373 } 374 375 aq = &edev->aq; 376 377 get_cmd.aq_common_descriptor.opcode = EFA_ADMIN_GET_FEATURE; 378 379 if (control_buff_size) 380 get_cmd.aq_common_descriptor.flags = 381 EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_MASK; 382 383 384 efa_com_set_dma_addr(control_buf_dma_addr, 385 &get_cmd.control_buffer.address.mem_addr_high, 386 &get_cmd.control_buffer.address.mem_addr_low); 387 388 get_cmd.control_buffer.length = control_buff_size; 389 get_cmd.feature_common.feature_id = feature_id; 390 err = efa_com_cmd_exec(aq, 391 (struct efa_admin_aq_entry *) 392 &get_cmd, 393 sizeof(get_cmd), 394 (struct efa_admin_acq_entry *) 395 get_resp, 396 sizeof(*get_resp)); 397 398 if (err) { 399 ibdev_err(edev->efa_dev, 400 "Failed to submit get_feature command %d [%d]\n", 401 feature_id, err); 402 return err; 403 } 404 405 return 0; 406 } 407 408 static int efa_com_get_feature(struct efa_com_dev *edev, 409 struct efa_admin_get_feature_resp *get_resp, 410 enum efa_admin_aq_feature_id feature_id) 411 { 412 return efa_com_get_feature_ex(edev, get_resp, feature_id, 0, 0); 413 } 414 415 int efa_com_get_network_attr(struct efa_com_dev *edev, 416 struct efa_com_get_network_attr_result *result) 417 { 418 struct efa_admin_get_feature_resp resp; 419 int err; 420 421 err = efa_com_get_feature(edev, &resp, 422 EFA_ADMIN_NETWORK_ATTR); 423 if (err) { 424 ibdev_err(edev->efa_dev, 425 "Failed to get network attributes %d\n", err); 426 return err; 427 } 428 429 memcpy(result->addr, resp.u.network_attr.addr, 430 sizeof(resp.u.network_attr.addr)); 431 result->mtu = resp.u.network_attr.mtu; 432 433 return 0; 434 } 435 436 int efa_com_get_device_attr(struct efa_com_dev *edev, 437 struct efa_com_get_device_attr_result *result) 438 { 439 struct efa_admin_get_feature_resp resp; 440 int err; 441 442 err = efa_com_get_feature(edev, &resp, EFA_ADMIN_DEVICE_ATTR); 443 if (err) { 444 ibdev_err(edev->efa_dev, "Failed to get device attributes %d\n", 445 err); 446 return err; 447 } 448 449 result->page_size_cap = resp.u.device_attr.page_size_cap; 450 result->fw_version = resp.u.device_attr.fw_version; 451 result->admin_api_version = resp.u.device_attr.admin_api_version; 452 result->device_version = resp.u.device_attr.device_version; 453 result->supported_features = resp.u.device_attr.supported_features; 454 result->phys_addr_width = resp.u.device_attr.phys_addr_width; 455 result->virt_addr_width = resp.u.device_attr.virt_addr_width; 456 result->db_bar = resp.u.device_attr.db_bar; 457 458 if (result->admin_api_version < 1) { 459 ibdev_err(edev->efa_dev, 460 "Failed to get device attr api version [%u < 1]\n", 461 result->admin_api_version); 462 return -EINVAL; 463 } 464 465 edev->supported_features = resp.u.device_attr.supported_features; 466 err = efa_com_get_feature(edev, &resp, 467 EFA_ADMIN_QUEUE_ATTR); 468 if (err) { 469 ibdev_err(edev->efa_dev, 470 "Failed to get network attributes %d\n", err); 471 return err; 472 } 473 474 result->max_qp = resp.u.queue_attr.max_qp; 475 result->max_sq_depth = resp.u.queue_attr.max_sq_depth; 476 result->max_rq_depth = resp.u.queue_attr.max_rq_depth; 477 result->max_cq = resp.u.queue_attr.max_cq; 478 result->max_cq_depth = resp.u.queue_attr.max_cq_depth; 479 result->inline_buf_size = resp.u.queue_attr.inline_buf_size; 480 result->max_sq_sge = resp.u.queue_attr.max_wr_send_sges; 481 result->max_rq_sge = resp.u.queue_attr.max_wr_recv_sges; 482 result->max_mr = resp.u.queue_attr.max_mr; 483 result->max_mr_pages = resp.u.queue_attr.max_mr_pages; 484 result->max_pd = resp.u.queue_attr.max_pd; 485 result->max_ah = resp.u.queue_attr.max_ah; 486 result->max_llq_size = resp.u.queue_attr.max_llq_size; 487 result->sub_cqs_per_cq = resp.u.queue_attr.sub_cqs_per_cq; 488 489 return 0; 490 } 491 492 int efa_com_get_hw_hints(struct efa_com_dev *edev, 493 struct efa_com_get_hw_hints_result *result) 494 { 495 struct efa_admin_get_feature_resp resp; 496 int err; 497 498 err = efa_com_get_feature(edev, &resp, EFA_ADMIN_HW_HINTS); 499 if (err) { 500 ibdev_err(edev->efa_dev, "Failed to get hw hints %d\n", err); 501 return err; 502 } 503 504 result->admin_completion_timeout = resp.u.hw_hints.admin_completion_timeout; 505 result->driver_watchdog_timeout = resp.u.hw_hints.driver_watchdog_timeout; 506 result->mmio_read_timeout = resp.u.hw_hints.mmio_read_timeout; 507 result->poll_interval = resp.u.hw_hints.poll_interval; 508 509 return 0; 510 } 511 512 static int efa_com_set_feature_ex(struct efa_com_dev *edev, 513 struct efa_admin_set_feature_resp *set_resp, 514 struct efa_admin_set_feature_cmd *set_cmd, 515 enum efa_admin_aq_feature_id feature_id, 516 dma_addr_t control_buf_dma_addr, 517 u32 control_buff_size) 518 { 519 struct efa_com_admin_queue *aq; 520 int err; 521 522 if (!efa_com_check_supported_feature_id(edev, feature_id)) { 523 ibdev_err(edev->efa_dev, "Feature %d isn't supported\n", 524 feature_id); 525 return -EOPNOTSUPP; 526 } 527 528 aq = &edev->aq; 529 530 set_cmd->aq_common_descriptor.opcode = EFA_ADMIN_SET_FEATURE; 531 if (control_buff_size) { 532 set_cmd->aq_common_descriptor.flags = 533 EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_MASK; 534 efa_com_set_dma_addr(control_buf_dma_addr, 535 &set_cmd->control_buffer.address.mem_addr_high, 536 &set_cmd->control_buffer.address.mem_addr_low); 537 } 538 539 set_cmd->control_buffer.length = control_buff_size; 540 set_cmd->feature_common.feature_id = feature_id; 541 err = efa_com_cmd_exec(aq, 542 (struct efa_admin_aq_entry *)set_cmd, 543 sizeof(*set_cmd), 544 (struct efa_admin_acq_entry *)set_resp, 545 sizeof(*set_resp)); 546 547 if (err) { 548 ibdev_err(edev->efa_dev, 549 "Failed to submit set_feature command %d error: %d\n", 550 feature_id, err); 551 return err; 552 } 553 554 return 0; 555 } 556 557 static int efa_com_set_feature(struct efa_com_dev *edev, 558 struct efa_admin_set_feature_resp *set_resp, 559 struct efa_admin_set_feature_cmd *set_cmd, 560 enum efa_admin_aq_feature_id feature_id) 561 { 562 return efa_com_set_feature_ex(edev, set_resp, set_cmd, feature_id, 563 0, 0); 564 } 565 566 int efa_com_set_aenq_config(struct efa_com_dev *edev, u32 groups) 567 { 568 struct efa_admin_get_feature_resp get_resp; 569 struct efa_admin_set_feature_resp set_resp; 570 struct efa_admin_set_feature_cmd cmd = {}; 571 int err; 572 573 ibdev_dbg(edev->efa_dev, "Configuring aenq with groups[%#x]\n", groups); 574 575 err = efa_com_get_feature(edev, &get_resp, EFA_ADMIN_AENQ_CONFIG); 576 if (err) { 577 ibdev_err(edev->efa_dev, "Failed to get aenq attributes: %d\n", 578 err); 579 return err; 580 } 581 582 ibdev_dbg(edev->efa_dev, 583 "Get aenq groups: supported[%#x] enabled[%#x]\n", 584 get_resp.u.aenq.supported_groups, 585 get_resp.u.aenq.enabled_groups); 586 587 if ((get_resp.u.aenq.supported_groups & groups) != groups) { 588 ibdev_err(edev->efa_dev, 589 "Trying to set unsupported aenq groups[%#x] supported[%#x]\n", 590 groups, get_resp.u.aenq.supported_groups); 591 return -EOPNOTSUPP; 592 } 593 594 cmd.u.aenq.enabled_groups = groups; 595 err = efa_com_set_feature(edev, &set_resp, &cmd, 596 EFA_ADMIN_AENQ_CONFIG); 597 if (err) { 598 ibdev_err(edev->efa_dev, "Failed to set aenq attributes: %d\n", 599 err); 600 return err; 601 } 602 603 return 0; 604 } 605 606 int efa_com_alloc_pd(struct efa_com_dev *edev, 607 struct efa_com_alloc_pd_result *result) 608 { 609 struct efa_com_admin_queue *aq = &edev->aq; 610 struct efa_admin_alloc_pd_cmd cmd = {}; 611 struct efa_admin_alloc_pd_resp resp; 612 int err; 613 614 cmd.aq_common_descriptor.opcode = EFA_ADMIN_ALLOC_PD; 615 616 err = efa_com_cmd_exec(aq, 617 (struct efa_admin_aq_entry *)&cmd, 618 sizeof(cmd), 619 (struct efa_admin_acq_entry *)&resp, 620 sizeof(resp)); 621 if (err) { 622 ibdev_err(edev->efa_dev, "Failed to allocate pd[%d]\n", err); 623 return err; 624 } 625 626 result->pdn = resp.pd; 627 628 return 0; 629 } 630 631 int efa_com_dealloc_pd(struct efa_com_dev *edev, 632 struct efa_com_dealloc_pd_params *params) 633 { 634 struct efa_com_admin_queue *aq = &edev->aq; 635 struct efa_admin_dealloc_pd_cmd cmd = {}; 636 struct efa_admin_dealloc_pd_resp resp; 637 int err; 638 639 cmd.aq_common_descriptor.opcode = EFA_ADMIN_DEALLOC_PD; 640 cmd.pd = params->pdn; 641 642 err = efa_com_cmd_exec(aq, 643 (struct efa_admin_aq_entry *)&cmd, 644 sizeof(cmd), 645 (struct efa_admin_acq_entry *)&resp, 646 sizeof(resp)); 647 if (err) { 648 ibdev_err(edev->efa_dev, "Failed to deallocate pd-%u [%d]\n", 649 cmd.pd, err); 650 return err; 651 } 652 653 return 0; 654 } 655 656 int efa_com_alloc_uar(struct efa_com_dev *edev, 657 struct efa_com_alloc_uar_result *result) 658 { 659 struct efa_com_admin_queue *aq = &edev->aq; 660 struct efa_admin_alloc_uar_cmd cmd = {}; 661 struct efa_admin_alloc_uar_resp resp; 662 int err; 663 664 cmd.aq_common_descriptor.opcode = EFA_ADMIN_ALLOC_UAR; 665 666 err = efa_com_cmd_exec(aq, 667 (struct efa_admin_aq_entry *)&cmd, 668 sizeof(cmd), 669 (struct efa_admin_acq_entry *)&resp, 670 sizeof(resp)); 671 if (err) { 672 ibdev_err(edev->efa_dev, "Failed to allocate uar[%d]\n", err); 673 return err; 674 } 675 676 result->uarn = resp.uar; 677 678 return 0; 679 } 680 681 int efa_com_dealloc_uar(struct efa_com_dev *edev, 682 struct efa_com_dealloc_uar_params *params) 683 { 684 struct efa_com_admin_queue *aq = &edev->aq; 685 struct efa_admin_dealloc_uar_cmd cmd = {}; 686 struct efa_admin_dealloc_uar_resp resp; 687 int err; 688 689 cmd.aq_common_descriptor.opcode = EFA_ADMIN_DEALLOC_UAR; 690 cmd.uar = params->uarn; 691 692 err = efa_com_cmd_exec(aq, 693 (struct efa_admin_aq_entry *)&cmd, 694 sizeof(cmd), 695 (struct efa_admin_acq_entry *)&resp, 696 sizeof(resp)); 697 if (err) { 698 ibdev_err(edev->efa_dev, "Failed to deallocate uar-%u [%d]\n", 699 cmd.uar, err); 700 return err; 701 } 702 703 return 0; 704 } 705