1 // SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause 2 /* 3 * Copyright 2018-2023 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 if (params->set_src_addr) { 172 EFA_SET(&create_cmd.cq_caps_2, 173 EFA_ADMIN_CREATE_CQ_CMD_SET_SRC_ADDR, 1); 174 } 175 efa_com_set_dma_addr(params->dma_addr, 176 &create_cmd.cq_ba.mem_addr_high, 177 &create_cmd.cq_ba.mem_addr_low); 178 179 err = efa_com_cmd_exec(aq, 180 (struct efa_admin_aq_entry *)&create_cmd, 181 sizeof(create_cmd), 182 (struct efa_admin_acq_entry *)&cmd_completion, 183 sizeof(cmd_completion)); 184 if (err) { 185 ibdev_err_ratelimited(edev->efa_dev, 186 "Failed to create cq[%d]\n", err); 187 return err; 188 } 189 190 result->cq_idx = cmd_completion.cq_idx; 191 result->actual_depth = params->cq_depth; 192 result->db_off = cmd_completion.db_offset; 193 result->db_valid = EFA_GET(&cmd_completion.flags, 194 EFA_ADMIN_CREATE_CQ_RESP_DB_VALID); 195 196 return 0; 197 } 198 199 int efa_com_destroy_cq(struct efa_com_dev *edev, 200 struct efa_com_destroy_cq_params *params) 201 { 202 struct efa_admin_destroy_cq_cmd destroy_cmd = {}; 203 struct efa_admin_destroy_cq_resp destroy_resp; 204 struct efa_com_admin_queue *aq = &edev->aq; 205 int err; 206 207 destroy_cmd.cq_idx = params->cq_idx; 208 destroy_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_CQ; 209 210 err = efa_com_cmd_exec(aq, 211 (struct efa_admin_aq_entry *)&destroy_cmd, 212 sizeof(destroy_cmd), 213 (struct efa_admin_acq_entry *)&destroy_resp, 214 sizeof(destroy_resp)); 215 216 if (err) { 217 ibdev_err_ratelimited(edev->efa_dev, 218 "Failed to destroy CQ-%u [%d]\n", 219 params->cq_idx, err); 220 return err; 221 } 222 223 return 0; 224 } 225 226 int efa_com_register_mr(struct efa_com_dev *edev, 227 struct efa_com_reg_mr_params *params, 228 struct efa_com_reg_mr_result *result) 229 { 230 struct efa_admin_reg_mr_resp cmd_completion; 231 struct efa_com_admin_queue *aq = &edev->aq; 232 struct efa_admin_reg_mr_cmd mr_cmd = {}; 233 int err; 234 235 mr_cmd.aq_common_desc.opcode = EFA_ADMIN_REG_MR; 236 mr_cmd.pd = params->pd; 237 mr_cmd.mr_length = params->mr_length_in_bytes; 238 EFA_SET(&mr_cmd.flags, EFA_ADMIN_REG_MR_CMD_PHYS_PAGE_SIZE_SHIFT, 239 params->page_shift); 240 mr_cmd.iova = params->iova; 241 mr_cmd.permissions = params->permissions; 242 243 if (params->inline_pbl) { 244 memcpy(mr_cmd.pbl.inline_pbl_array, 245 params->pbl.inline_pbl_array, 246 sizeof(mr_cmd.pbl.inline_pbl_array)); 247 } else { 248 mr_cmd.pbl.pbl.length = params->pbl.pbl.length; 249 mr_cmd.pbl.pbl.address.mem_addr_low = 250 params->pbl.pbl.address.mem_addr_low; 251 mr_cmd.pbl.pbl.address.mem_addr_high = 252 params->pbl.pbl.address.mem_addr_high; 253 EFA_SET(&mr_cmd.aq_common_desc.flags, 254 EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA, 1); 255 if (params->indirect) 256 EFA_SET(&mr_cmd.aq_common_desc.flags, 257 EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT, 1); 258 } 259 260 err = efa_com_cmd_exec(aq, 261 (struct efa_admin_aq_entry *)&mr_cmd, 262 sizeof(mr_cmd), 263 (struct efa_admin_acq_entry *)&cmd_completion, 264 sizeof(cmd_completion)); 265 if (err) { 266 ibdev_err_ratelimited(edev->efa_dev, 267 "Failed to register mr [%d]\n", err); 268 return err; 269 } 270 271 result->l_key = cmd_completion.l_key; 272 result->r_key = cmd_completion.r_key; 273 274 return 0; 275 } 276 277 int efa_com_dereg_mr(struct efa_com_dev *edev, 278 struct efa_com_dereg_mr_params *params) 279 { 280 struct efa_admin_dereg_mr_resp cmd_completion; 281 struct efa_com_admin_queue *aq = &edev->aq; 282 struct efa_admin_dereg_mr_cmd mr_cmd = {}; 283 int err; 284 285 mr_cmd.aq_common_desc.opcode = EFA_ADMIN_DEREG_MR; 286 mr_cmd.l_key = params->l_key; 287 288 err = efa_com_cmd_exec(aq, 289 (struct efa_admin_aq_entry *)&mr_cmd, 290 sizeof(mr_cmd), 291 (struct efa_admin_acq_entry *)&cmd_completion, 292 sizeof(cmd_completion)); 293 if (err) { 294 ibdev_err_ratelimited(edev->efa_dev, 295 "Failed to de-register mr(lkey-%u) [%d]\n", 296 mr_cmd.l_key, err); 297 return err; 298 } 299 300 return 0; 301 } 302 303 int efa_com_create_ah(struct efa_com_dev *edev, 304 struct efa_com_create_ah_params *params, 305 struct efa_com_create_ah_result *result) 306 { 307 struct efa_admin_create_ah_resp cmd_completion; 308 struct efa_com_admin_queue *aq = &edev->aq; 309 struct efa_admin_create_ah_cmd ah_cmd = {}; 310 int err; 311 312 ah_cmd.aq_common_desc.opcode = EFA_ADMIN_CREATE_AH; 313 314 memcpy(ah_cmd.dest_addr, params->dest_addr, sizeof(ah_cmd.dest_addr)); 315 ah_cmd.pd = params->pdn; 316 317 err = efa_com_cmd_exec(aq, 318 (struct efa_admin_aq_entry *)&ah_cmd, 319 sizeof(ah_cmd), 320 (struct efa_admin_acq_entry *)&cmd_completion, 321 sizeof(cmd_completion)); 322 if (err) { 323 ibdev_err_ratelimited(edev->efa_dev, 324 "Failed to create ah for %pI6 [%d]\n", 325 ah_cmd.dest_addr, err); 326 return err; 327 } 328 329 result->ah = cmd_completion.ah; 330 331 return 0; 332 } 333 334 int efa_com_destroy_ah(struct efa_com_dev *edev, 335 struct efa_com_destroy_ah_params *params) 336 { 337 struct efa_admin_destroy_ah_resp cmd_completion; 338 struct efa_admin_destroy_ah_cmd ah_cmd = {}; 339 struct efa_com_admin_queue *aq = &edev->aq; 340 int err; 341 342 ah_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_AH; 343 ah_cmd.ah = params->ah; 344 ah_cmd.pd = params->pdn; 345 346 err = efa_com_cmd_exec(aq, 347 (struct efa_admin_aq_entry *)&ah_cmd, 348 sizeof(ah_cmd), 349 (struct efa_admin_acq_entry *)&cmd_completion, 350 sizeof(cmd_completion)); 351 if (err) { 352 ibdev_err_ratelimited(edev->efa_dev, 353 "Failed to destroy ah-%d pd-%d [%d]\n", 354 ah_cmd.ah, ah_cmd.pd, err); 355 return err; 356 } 357 358 return 0; 359 } 360 361 bool 362 efa_com_check_supported_feature_id(struct efa_com_dev *edev, 363 enum efa_admin_aq_feature_id feature_id) 364 { 365 u32 feature_mask = 1 << feature_id; 366 367 /* Device attributes is always supported */ 368 if (feature_id != EFA_ADMIN_DEVICE_ATTR && 369 !(edev->supported_features & feature_mask)) 370 return false; 371 372 return true; 373 } 374 375 static int efa_com_get_feature_ex(struct efa_com_dev *edev, 376 struct efa_admin_get_feature_resp *get_resp, 377 enum efa_admin_aq_feature_id feature_id, 378 dma_addr_t control_buf_dma_addr, 379 u32 control_buff_size) 380 { 381 struct efa_admin_get_feature_cmd get_cmd = {}; 382 struct efa_com_admin_queue *aq; 383 int err; 384 385 if (!efa_com_check_supported_feature_id(edev, feature_id)) { 386 ibdev_err_ratelimited(edev->efa_dev, 387 "Feature %d isn't supported\n", 388 feature_id); 389 return -EOPNOTSUPP; 390 } 391 392 aq = &edev->aq; 393 394 get_cmd.aq_common_descriptor.opcode = EFA_ADMIN_GET_FEATURE; 395 396 if (control_buff_size) 397 EFA_SET(&get_cmd.aq_common_descriptor.flags, 398 EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA, 1); 399 400 efa_com_set_dma_addr(control_buf_dma_addr, 401 &get_cmd.control_buffer.address.mem_addr_high, 402 &get_cmd.control_buffer.address.mem_addr_low); 403 404 get_cmd.control_buffer.length = control_buff_size; 405 get_cmd.feature_common.feature_id = feature_id; 406 err = efa_com_cmd_exec(aq, 407 (struct efa_admin_aq_entry *) 408 &get_cmd, 409 sizeof(get_cmd), 410 (struct efa_admin_acq_entry *) 411 get_resp, 412 sizeof(*get_resp)); 413 414 if (err) { 415 ibdev_err_ratelimited( 416 edev->efa_dev, 417 "Failed to submit get_feature command %d [%d]\n", 418 feature_id, err); 419 return err; 420 } 421 422 return 0; 423 } 424 425 static int efa_com_get_feature(struct efa_com_dev *edev, 426 struct efa_admin_get_feature_resp *get_resp, 427 enum efa_admin_aq_feature_id feature_id) 428 { 429 return efa_com_get_feature_ex(edev, get_resp, feature_id, 0, 0); 430 } 431 432 int efa_com_get_device_attr(struct efa_com_dev *edev, 433 struct efa_com_get_device_attr_result *result) 434 { 435 struct efa_admin_get_feature_resp resp; 436 int err; 437 438 err = efa_com_get_feature(edev, &resp, EFA_ADMIN_DEVICE_ATTR); 439 if (err) { 440 ibdev_err_ratelimited(edev->efa_dev, 441 "Failed to get device attributes %d\n", 442 err); 443 return err; 444 } 445 446 result->page_size_cap = resp.u.device_attr.page_size_cap; 447 result->fw_version = resp.u.device_attr.fw_version; 448 result->admin_api_version = resp.u.device_attr.admin_api_version; 449 result->device_version = resp.u.device_attr.device_version; 450 result->supported_features = resp.u.device_attr.supported_features; 451 result->phys_addr_width = resp.u.device_attr.phys_addr_width; 452 result->virt_addr_width = resp.u.device_attr.virt_addr_width; 453 result->db_bar = resp.u.device_attr.db_bar; 454 result->max_rdma_size = resp.u.device_attr.max_rdma_size; 455 result->device_caps = resp.u.device_attr.device_caps; 456 457 if (result->admin_api_version < 1) { 458 ibdev_err_ratelimited( 459 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_ratelimited(edev->efa_dev, 470 "Failed to get queue attributes %d\n", 471 err); 472 return err; 473 } 474 475 result->max_qp = resp.u.queue_attr.max_qp; 476 result->max_sq_depth = resp.u.queue_attr.max_sq_depth; 477 result->max_rq_depth = resp.u.queue_attr.max_rq_depth; 478 result->max_cq = resp.u.queue_attr.max_cq; 479 result->max_cq_depth = resp.u.queue_attr.max_cq_depth; 480 result->inline_buf_size = resp.u.queue_attr.inline_buf_size; 481 result->max_sq_sge = resp.u.queue_attr.max_wr_send_sges; 482 result->max_rq_sge = resp.u.queue_attr.max_wr_recv_sges; 483 result->max_mr = resp.u.queue_attr.max_mr; 484 result->max_mr_pages = resp.u.queue_attr.max_mr_pages; 485 result->max_pd = resp.u.queue_attr.max_pd; 486 result->max_ah = resp.u.queue_attr.max_ah; 487 result->max_llq_size = resp.u.queue_attr.max_llq_size; 488 result->sub_cqs_per_cq = resp.u.queue_attr.sub_cqs_per_cq; 489 result->max_wr_rdma_sge = resp.u.queue_attr.max_wr_rdma_sges; 490 result->max_tx_batch = resp.u.queue_attr.max_tx_batch; 491 result->min_sq_depth = resp.u.queue_attr.min_sq_depth; 492 493 err = efa_com_get_feature(edev, &resp, EFA_ADMIN_NETWORK_ATTR); 494 if (err) { 495 ibdev_err_ratelimited(edev->efa_dev, 496 "Failed to get network attributes %d\n", 497 err); 498 return err; 499 } 500 501 memcpy(result->addr, resp.u.network_attr.addr, 502 sizeof(resp.u.network_attr.addr)); 503 result->mtu = resp.u.network_attr.mtu; 504 505 if (efa_com_check_supported_feature_id(edev, 506 EFA_ADMIN_EVENT_QUEUE_ATTR)) { 507 err = efa_com_get_feature(edev, &resp, 508 EFA_ADMIN_EVENT_QUEUE_ATTR); 509 if (err) { 510 ibdev_err_ratelimited( 511 edev->efa_dev, 512 "Failed to get event queue attributes %d\n", 513 err); 514 return err; 515 } 516 517 result->max_eq = resp.u.event_queue_attr.max_eq; 518 result->max_eq_depth = resp.u.event_queue_attr.max_eq_depth; 519 result->event_bitmask = resp.u.event_queue_attr.event_bitmask; 520 } 521 522 return 0; 523 } 524 525 int efa_com_get_hw_hints(struct efa_com_dev *edev, 526 struct efa_com_get_hw_hints_result *result) 527 { 528 struct efa_admin_get_feature_resp resp; 529 int err; 530 531 err = efa_com_get_feature(edev, &resp, EFA_ADMIN_HW_HINTS); 532 if (err) { 533 ibdev_err_ratelimited(edev->efa_dev, 534 "Failed to get hw hints %d\n", err); 535 return err; 536 } 537 538 result->admin_completion_timeout = resp.u.hw_hints.admin_completion_timeout; 539 result->driver_watchdog_timeout = resp.u.hw_hints.driver_watchdog_timeout; 540 result->mmio_read_timeout = resp.u.hw_hints.mmio_read_timeout; 541 result->poll_interval = resp.u.hw_hints.poll_interval; 542 543 return 0; 544 } 545 546 int efa_com_set_feature_ex(struct efa_com_dev *edev, 547 struct efa_admin_set_feature_resp *set_resp, 548 struct efa_admin_set_feature_cmd *set_cmd, 549 enum efa_admin_aq_feature_id feature_id, 550 dma_addr_t control_buf_dma_addr, 551 u32 control_buff_size) 552 { 553 struct efa_com_admin_queue *aq; 554 int err; 555 556 if (!efa_com_check_supported_feature_id(edev, feature_id)) { 557 ibdev_err_ratelimited(edev->efa_dev, 558 "Feature %d isn't supported\n", 559 feature_id); 560 return -EOPNOTSUPP; 561 } 562 563 aq = &edev->aq; 564 565 set_cmd->aq_common_descriptor.opcode = EFA_ADMIN_SET_FEATURE; 566 if (control_buff_size) { 567 set_cmd->aq_common_descriptor.flags = 0; 568 EFA_SET(&set_cmd->aq_common_descriptor.flags, 569 EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA, 1); 570 efa_com_set_dma_addr(control_buf_dma_addr, 571 &set_cmd->control_buffer.address.mem_addr_high, 572 &set_cmd->control_buffer.address.mem_addr_low); 573 } 574 575 set_cmd->control_buffer.length = control_buff_size; 576 set_cmd->feature_common.feature_id = feature_id; 577 err = efa_com_cmd_exec(aq, 578 (struct efa_admin_aq_entry *)set_cmd, 579 sizeof(*set_cmd), 580 (struct efa_admin_acq_entry *)set_resp, 581 sizeof(*set_resp)); 582 583 if (err) { 584 ibdev_err_ratelimited( 585 edev->efa_dev, 586 "Failed to submit set_feature command %d error: %d\n", 587 feature_id, err); 588 return err; 589 } 590 591 return 0; 592 } 593 594 static int efa_com_set_feature(struct efa_com_dev *edev, 595 struct efa_admin_set_feature_resp *set_resp, 596 struct efa_admin_set_feature_cmd *set_cmd, 597 enum efa_admin_aq_feature_id feature_id) 598 { 599 return efa_com_set_feature_ex(edev, set_resp, set_cmd, feature_id, 600 0, 0); 601 } 602 603 int efa_com_set_aenq_config(struct efa_com_dev *edev, u32 groups) 604 { 605 struct efa_admin_get_feature_resp get_resp; 606 struct efa_admin_set_feature_resp set_resp; 607 struct efa_admin_set_feature_cmd cmd = {}; 608 int err; 609 610 ibdev_dbg(edev->efa_dev, "Configuring aenq with groups[%#x]\n", groups); 611 612 err = efa_com_get_feature(edev, &get_resp, EFA_ADMIN_AENQ_CONFIG); 613 if (err) { 614 ibdev_err_ratelimited(edev->efa_dev, 615 "Failed to get aenq attributes: %d\n", 616 err); 617 return err; 618 } 619 620 ibdev_dbg(edev->efa_dev, 621 "Get aenq groups: supported[%#x] enabled[%#x]\n", 622 get_resp.u.aenq.supported_groups, 623 get_resp.u.aenq.enabled_groups); 624 625 if ((get_resp.u.aenq.supported_groups & groups) != groups) { 626 ibdev_err_ratelimited( 627 edev->efa_dev, 628 "Trying to set unsupported aenq groups[%#x] supported[%#x]\n", 629 groups, get_resp.u.aenq.supported_groups); 630 return -EOPNOTSUPP; 631 } 632 633 cmd.u.aenq.enabled_groups = groups; 634 err = efa_com_set_feature(edev, &set_resp, &cmd, 635 EFA_ADMIN_AENQ_CONFIG); 636 if (err) { 637 ibdev_err_ratelimited(edev->efa_dev, 638 "Failed to set aenq attributes: %d\n", 639 err); 640 return err; 641 } 642 643 return 0; 644 } 645 646 int efa_com_alloc_pd(struct efa_com_dev *edev, 647 struct efa_com_alloc_pd_result *result) 648 { 649 struct efa_com_admin_queue *aq = &edev->aq; 650 struct efa_admin_alloc_pd_cmd cmd = {}; 651 struct efa_admin_alloc_pd_resp resp; 652 int err; 653 654 cmd.aq_common_descriptor.opcode = EFA_ADMIN_ALLOC_PD; 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 allocate pd[%d]\n", err); 664 return err; 665 } 666 667 result->pdn = resp.pd; 668 669 return 0; 670 } 671 672 int efa_com_dealloc_pd(struct efa_com_dev *edev, 673 struct efa_com_dealloc_pd_params *params) 674 { 675 struct efa_com_admin_queue *aq = &edev->aq; 676 struct efa_admin_dealloc_pd_cmd cmd = {}; 677 struct efa_admin_dealloc_pd_resp resp; 678 int err; 679 680 cmd.aq_common_descriptor.opcode = EFA_ADMIN_DEALLOC_PD; 681 cmd.pd = params->pdn; 682 683 err = efa_com_cmd_exec(aq, 684 (struct efa_admin_aq_entry *)&cmd, 685 sizeof(cmd), 686 (struct efa_admin_acq_entry *)&resp, 687 sizeof(resp)); 688 if (err) { 689 ibdev_err_ratelimited(edev->efa_dev, 690 "Failed to deallocate pd-%u [%d]\n", 691 cmd.pd, err); 692 return err; 693 } 694 695 return 0; 696 } 697 698 int efa_com_alloc_uar(struct efa_com_dev *edev, 699 struct efa_com_alloc_uar_result *result) 700 { 701 struct efa_com_admin_queue *aq = &edev->aq; 702 struct efa_admin_alloc_uar_cmd cmd = {}; 703 struct efa_admin_alloc_uar_resp resp; 704 int err; 705 706 cmd.aq_common_descriptor.opcode = EFA_ADMIN_ALLOC_UAR; 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 allocate uar[%d]\n", err); 716 return err; 717 } 718 719 result->uarn = resp.uar; 720 721 return 0; 722 } 723 724 int efa_com_dealloc_uar(struct efa_com_dev *edev, 725 struct efa_com_dealloc_uar_params *params) 726 { 727 struct efa_com_admin_queue *aq = &edev->aq; 728 struct efa_admin_dealloc_uar_cmd cmd = {}; 729 struct efa_admin_dealloc_uar_resp resp; 730 int err; 731 732 cmd.aq_common_descriptor.opcode = EFA_ADMIN_DEALLOC_UAR; 733 cmd.uar = params->uarn; 734 735 err = efa_com_cmd_exec(aq, 736 (struct efa_admin_aq_entry *)&cmd, 737 sizeof(cmd), 738 (struct efa_admin_acq_entry *)&resp, 739 sizeof(resp)); 740 if (err) { 741 ibdev_err_ratelimited(edev->efa_dev, 742 "Failed to deallocate uar-%u [%d]\n", 743 cmd.uar, err); 744 return err; 745 } 746 747 return 0; 748 } 749 750 int efa_com_get_stats(struct efa_com_dev *edev, 751 struct efa_com_get_stats_params *params, 752 union efa_com_get_stats_result *result) 753 { 754 struct efa_com_admin_queue *aq = &edev->aq; 755 struct efa_admin_aq_get_stats_cmd cmd = {}; 756 struct efa_admin_acq_get_stats_resp resp; 757 int err; 758 759 cmd.aq_common_descriptor.opcode = EFA_ADMIN_GET_STATS; 760 cmd.type = params->type; 761 cmd.scope = params->scope; 762 cmd.scope_modifier = params->scope_modifier; 763 764 err = efa_com_cmd_exec(aq, 765 (struct efa_admin_aq_entry *)&cmd, 766 sizeof(cmd), 767 (struct efa_admin_acq_entry *)&resp, 768 sizeof(resp)); 769 if (err) { 770 ibdev_err_ratelimited( 771 edev->efa_dev, 772 "Failed to get stats type-%u scope-%u.%u [%d]\n", 773 cmd.type, cmd.scope, cmd.scope_modifier, err); 774 return err; 775 } 776 777 switch (cmd.type) { 778 case EFA_ADMIN_GET_STATS_TYPE_BASIC: 779 result->basic_stats.tx_bytes = resp.u.basic_stats.tx_bytes; 780 result->basic_stats.tx_pkts = resp.u.basic_stats.tx_pkts; 781 result->basic_stats.rx_bytes = resp.u.basic_stats.rx_bytes; 782 result->basic_stats.rx_pkts = resp.u.basic_stats.rx_pkts; 783 result->basic_stats.rx_drops = resp.u.basic_stats.rx_drops; 784 break; 785 case EFA_ADMIN_GET_STATS_TYPE_MESSAGES: 786 result->messages_stats.send_bytes = resp.u.messages_stats.send_bytes; 787 result->messages_stats.send_wrs = resp.u.messages_stats.send_wrs; 788 result->messages_stats.recv_bytes = resp.u.messages_stats.recv_bytes; 789 result->messages_stats.recv_wrs = resp.u.messages_stats.recv_wrs; 790 break; 791 case EFA_ADMIN_GET_STATS_TYPE_RDMA_READ: 792 result->rdma_read_stats.read_wrs = resp.u.rdma_read_stats.read_wrs; 793 result->rdma_read_stats.read_bytes = resp.u.rdma_read_stats.read_bytes; 794 result->rdma_read_stats.read_wr_err = resp.u.rdma_read_stats.read_wr_err; 795 result->rdma_read_stats.read_resp_bytes = resp.u.rdma_read_stats.read_resp_bytes; 796 break; 797 case EFA_ADMIN_GET_STATS_TYPE_RDMA_WRITE: 798 result->rdma_write_stats.write_wrs = resp.u.rdma_write_stats.write_wrs; 799 result->rdma_write_stats.write_bytes = resp.u.rdma_write_stats.write_bytes; 800 result->rdma_write_stats.write_wr_err = resp.u.rdma_write_stats.write_wr_err; 801 result->rdma_write_stats.write_recv_bytes = resp.u.rdma_write_stats.write_recv_bytes; 802 break; 803 } 804 805 return 0; 806 } 807