1 // SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause 2 /* 3 * Copyright 2018-2024 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 if (params->unsolicited_write_recv) 36 EFA_SET(&create_qp_cmd.flags, EFA_ADMIN_CREATE_QP_CMD_UNSOLICITED_WRITE_RECV, 1); 37 38 err = efa_com_cmd_exec(aq, 39 (struct efa_admin_aq_entry *)&create_qp_cmd, 40 sizeof(create_qp_cmd), 41 (struct efa_admin_acq_entry *)&cmd_completion, 42 sizeof(cmd_completion)); 43 if (err) { 44 ibdev_err_ratelimited(edev->efa_dev, 45 "Failed to create qp [%d]\n", err); 46 return err; 47 } 48 49 res->qp_handle = cmd_completion.qp_handle; 50 res->qp_num = cmd_completion.qp_num; 51 res->sq_db_offset = cmd_completion.sq_db_offset; 52 res->rq_db_offset = cmd_completion.rq_db_offset; 53 res->llq_descriptors_offset = cmd_completion.llq_descriptors_offset; 54 res->send_sub_cq_idx = cmd_completion.send_sub_cq_idx; 55 res->recv_sub_cq_idx = cmd_completion.recv_sub_cq_idx; 56 57 return 0; 58 } 59 60 int efa_com_modify_qp(struct efa_com_dev *edev, 61 struct efa_com_modify_qp_params *params) 62 { 63 struct efa_com_admin_queue *aq = &edev->aq; 64 struct efa_admin_modify_qp_cmd cmd = {}; 65 struct efa_admin_modify_qp_resp resp; 66 int err; 67 68 cmd.aq_common_desc.opcode = EFA_ADMIN_MODIFY_QP; 69 cmd.modify_mask = params->modify_mask; 70 cmd.qp_handle = params->qp_handle; 71 cmd.qp_state = params->qp_state; 72 cmd.cur_qp_state = params->cur_qp_state; 73 cmd.qkey = params->qkey; 74 cmd.sq_psn = params->sq_psn; 75 cmd.sq_drained_async_notify = params->sq_drained_async_notify; 76 cmd.rnr_retry = params->rnr_retry; 77 78 err = efa_com_cmd_exec(aq, 79 (struct efa_admin_aq_entry *)&cmd, 80 sizeof(cmd), 81 (struct efa_admin_acq_entry *)&resp, 82 sizeof(resp)); 83 if (err) { 84 ibdev_err_ratelimited( 85 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_ratelimited(edev->efa_dev, 113 "Failed to query qp-%u [%d]\n", 114 cmd.qp_handle, err); 115 return err; 116 } 117 118 result->qp_state = resp.qp_state; 119 result->qkey = resp.qkey; 120 result->sq_draining = resp.sq_draining; 121 result->sq_psn = resp.sq_psn; 122 result->rnr_retry = resp.rnr_retry; 123 124 return 0; 125 } 126 127 int efa_com_destroy_qp(struct efa_com_dev *edev, 128 struct efa_com_destroy_qp_params *params) 129 { 130 struct efa_admin_destroy_qp_resp cmd_completion; 131 struct efa_admin_destroy_qp_cmd qp_cmd = {}; 132 struct efa_com_admin_queue *aq = &edev->aq; 133 int err; 134 135 qp_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_QP; 136 qp_cmd.qp_handle = params->qp_handle; 137 138 err = efa_com_cmd_exec(aq, 139 (struct efa_admin_aq_entry *)&qp_cmd, 140 sizeof(qp_cmd), 141 (struct efa_admin_acq_entry *)&cmd_completion, 142 sizeof(cmd_completion)); 143 if (err) { 144 ibdev_err_ratelimited(edev->efa_dev, 145 "Failed to destroy qp-%u [%d]\n", 146 qp_cmd.qp_handle, err); 147 return err; 148 } 149 150 return 0; 151 } 152 153 int efa_com_create_cq(struct efa_com_dev *edev, 154 struct efa_com_create_cq_params *params, 155 struct efa_com_create_cq_result *result) 156 { 157 struct efa_admin_create_cq_resp cmd_completion = {}; 158 struct efa_admin_create_cq_cmd create_cmd = {}; 159 struct efa_com_admin_queue *aq = &edev->aq; 160 int err; 161 162 create_cmd.aq_common_desc.opcode = EFA_ADMIN_CREATE_CQ; 163 EFA_SET(&create_cmd.cq_caps_2, 164 EFA_ADMIN_CREATE_CQ_CMD_CQ_ENTRY_SIZE_WORDS, 165 params->entry_size_in_bytes / 4); 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 if (params->interrupt_mode_enabled) { 170 EFA_SET(&create_cmd.cq_caps_1, 171 EFA_ADMIN_CREATE_CQ_CMD_INTERRUPT_MODE_ENABLED, 1); 172 create_cmd.eqn = params->eqn; 173 } 174 if (params->set_src_addr) { 175 EFA_SET(&create_cmd.cq_caps_2, 176 EFA_ADMIN_CREATE_CQ_CMD_SET_SRC_ADDR, 1); 177 } 178 efa_com_set_dma_addr(params->dma_addr, 179 &create_cmd.cq_ba.mem_addr_high, 180 &create_cmd.cq_ba.mem_addr_low); 181 182 err = efa_com_cmd_exec(aq, 183 (struct efa_admin_aq_entry *)&create_cmd, 184 sizeof(create_cmd), 185 (struct efa_admin_acq_entry *)&cmd_completion, 186 sizeof(cmd_completion)); 187 if (err) { 188 ibdev_err_ratelimited(edev->efa_dev, 189 "Failed to create cq[%d]\n", err); 190 return err; 191 } 192 193 result->cq_idx = cmd_completion.cq_idx; 194 result->actual_depth = params->cq_depth; 195 result->db_off = cmd_completion.db_offset; 196 result->db_valid = EFA_GET(&cmd_completion.flags, 197 EFA_ADMIN_CREATE_CQ_RESP_DB_VALID); 198 199 return 0; 200 } 201 202 int efa_com_destroy_cq(struct efa_com_dev *edev, 203 struct efa_com_destroy_cq_params *params) 204 { 205 struct efa_admin_destroy_cq_cmd destroy_cmd = {}; 206 struct efa_admin_destroy_cq_resp destroy_resp; 207 struct efa_com_admin_queue *aq = &edev->aq; 208 int err; 209 210 destroy_cmd.cq_idx = params->cq_idx; 211 destroy_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_CQ; 212 213 err = efa_com_cmd_exec(aq, 214 (struct efa_admin_aq_entry *)&destroy_cmd, 215 sizeof(destroy_cmd), 216 (struct efa_admin_acq_entry *)&destroy_resp, 217 sizeof(destroy_resp)); 218 219 if (err) { 220 ibdev_err_ratelimited(edev->efa_dev, 221 "Failed to destroy CQ-%u [%d]\n", 222 params->cq_idx, err); 223 return err; 224 } 225 226 return 0; 227 } 228 229 int efa_com_register_mr(struct efa_com_dev *edev, 230 struct efa_com_reg_mr_params *params, 231 struct efa_com_reg_mr_result *result) 232 { 233 struct efa_admin_reg_mr_resp cmd_completion; 234 struct efa_com_admin_queue *aq = &edev->aq; 235 struct efa_admin_reg_mr_cmd mr_cmd = {}; 236 int err; 237 238 mr_cmd.aq_common_desc.opcode = EFA_ADMIN_REG_MR; 239 mr_cmd.pd = params->pd; 240 mr_cmd.mr_length = params->mr_length_in_bytes; 241 EFA_SET(&mr_cmd.flags, EFA_ADMIN_REG_MR_CMD_PHYS_PAGE_SIZE_SHIFT, 242 params->page_shift); 243 mr_cmd.iova = params->iova; 244 mr_cmd.permissions = params->permissions; 245 246 if (params->inline_pbl) { 247 memcpy(mr_cmd.pbl.inline_pbl_array, 248 params->pbl.inline_pbl_array, 249 sizeof(mr_cmd.pbl.inline_pbl_array)); 250 } else { 251 mr_cmd.pbl.pbl.length = params->pbl.pbl.length; 252 mr_cmd.pbl.pbl.address.mem_addr_low = 253 params->pbl.pbl.address.mem_addr_low; 254 mr_cmd.pbl.pbl.address.mem_addr_high = 255 params->pbl.pbl.address.mem_addr_high; 256 EFA_SET(&mr_cmd.aq_common_desc.flags, 257 EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA, 1); 258 if (params->indirect) 259 EFA_SET(&mr_cmd.aq_common_desc.flags, 260 EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT, 1); 261 } 262 263 err = efa_com_cmd_exec(aq, 264 (struct efa_admin_aq_entry *)&mr_cmd, 265 sizeof(mr_cmd), 266 (struct efa_admin_acq_entry *)&cmd_completion, 267 sizeof(cmd_completion)); 268 if (err) { 269 ibdev_err_ratelimited(edev->efa_dev, 270 "Failed to register mr [%d]\n", err); 271 return err; 272 } 273 274 result->l_key = cmd_completion.l_key; 275 result->r_key = cmd_completion.r_key; 276 result->ic_info.recv_ic_id = cmd_completion.recv_ic_id; 277 result->ic_info.rdma_read_ic_id = cmd_completion.rdma_read_ic_id; 278 result->ic_info.rdma_recv_ic_id = cmd_completion.rdma_recv_ic_id; 279 result->ic_info.recv_ic_id_valid = EFA_GET(&cmd_completion.validity, 280 EFA_ADMIN_REG_MR_RESP_RECV_IC_ID); 281 result->ic_info.rdma_read_ic_id_valid = EFA_GET(&cmd_completion.validity, 282 EFA_ADMIN_REG_MR_RESP_RDMA_READ_IC_ID); 283 result->ic_info.rdma_recv_ic_id_valid = EFA_GET(&cmd_completion.validity, 284 EFA_ADMIN_REG_MR_RESP_RDMA_RECV_IC_ID); 285 286 return 0; 287 } 288 289 int efa_com_dereg_mr(struct efa_com_dev *edev, 290 struct efa_com_dereg_mr_params *params) 291 { 292 struct efa_admin_dereg_mr_resp cmd_completion; 293 struct efa_com_admin_queue *aq = &edev->aq; 294 struct efa_admin_dereg_mr_cmd mr_cmd = {}; 295 int err; 296 297 mr_cmd.aq_common_desc.opcode = EFA_ADMIN_DEREG_MR; 298 mr_cmd.l_key = params->l_key; 299 300 err = efa_com_cmd_exec(aq, 301 (struct efa_admin_aq_entry *)&mr_cmd, 302 sizeof(mr_cmd), 303 (struct efa_admin_acq_entry *)&cmd_completion, 304 sizeof(cmd_completion)); 305 if (err) { 306 ibdev_err_ratelimited(edev->efa_dev, 307 "Failed to de-register mr(lkey-%u) [%d]\n", 308 mr_cmd.l_key, err); 309 return err; 310 } 311 312 return 0; 313 } 314 315 int efa_com_create_ah(struct efa_com_dev *edev, 316 struct efa_com_create_ah_params *params, 317 struct efa_com_create_ah_result *result) 318 { 319 struct efa_admin_create_ah_resp cmd_completion; 320 struct efa_com_admin_queue *aq = &edev->aq; 321 struct efa_admin_create_ah_cmd ah_cmd = {}; 322 int err; 323 324 ah_cmd.aq_common_desc.opcode = EFA_ADMIN_CREATE_AH; 325 326 memcpy(ah_cmd.dest_addr, params->dest_addr, sizeof(ah_cmd.dest_addr)); 327 ah_cmd.pd = params->pdn; 328 329 err = efa_com_cmd_exec(aq, 330 (struct efa_admin_aq_entry *)&ah_cmd, 331 sizeof(ah_cmd), 332 (struct efa_admin_acq_entry *)&cmd_completion, 333 sizeof(cmd_completion)); 334 if (err) { 335 ibdev_err_ratelimited(edev->efa_dev, 336 "Failed to create ah for %pI6 [%d]\n", 337 ah_cmd.dest_addr, err); 338 return err; 339 } 340 341 result->ah = cmd_completion.ah; 342 343 return 0; 344 } 345 346 int efa_com_destroy_ah(struct efa_com_dev *edev, 347 struct efa_com_destroy_ah_params *params) 348 { 349 struct efa_admin_destroy_ah_resp cmd_completion; 350 struct efa_admin_destroy_ah_cmd ah_cmd = {}; 351 struct efa_com_admin_queue *aq = &edev->aq; 352 int err; 353 354 ah_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_AH; 355 ah_cmd.ah = params->ah; 356 ah_cmd.pd = params->pdn; 357 358 err = efa_com_cmd_exec(aq, 359 (struct efa_admin_aq_entry *)&ah_cmd, 360 sizeof(ah_cmd), 361 (struct efa_admin_acq_entry *)&cmd_completion, 362 sizeof(cmd_completion)); 363 if (err) { 364 ibdev_err_ratelimited(edev->efa_dev, 365 "Failed to destroy ah-%d pd-%d [%d]\n", 366 ah_cmd.ah, ah_cmd.pd, err); 367 return err; 368 } 369 370 return 0; 371 } 372 373 bool 374 efa_com_check_supported_feature_id(struct efa_com_dev *edev, 375 enum efa_admin_aq_feature_id feature_id) 376 { 377 u32 feature_mask = 1 << feature_id; 378 379 /* Device attributes is always supported */ 380 if (feature_id != EFA_ADMIN_DEVICE_ATTR && 381 !(edev->supported_features & feature_mask)) 382 return false; 383 384 return true; 385 } 386 387 static int efa_com_get_feature_ex(struct efa_com_dev *edev, 388 struct efa_admin_get_feature_resp *get_resp, 389 enum efa_admin_aq_feature_id feature_id, 390 dma_addr_t control_buf_dma_addr, 391 u32 control_buff_size) 392 { 393 struct efa_admin_get_feature_cmd get_cmd = {}; 394 struct efa_com_admin_queue *aq; 395 int err; 396 397 if (!efa_com_check_supported_feature_id(edev, feature_id)) { 398 ibdev_err_ratelimited(edev->efa_dev, 399 "Feature %d isn't supported\n", 400 feature_id); 401 return -EOPNOTSUPP; 402 } 403 404 aq = &edev->aq; 405 406 get_cmd.aq_common_descriptor.opcode = EFA_ADMIN_GET_FEATURE; 407 408 if (control_buff_size) 409 EFA_SET(&get_cmd.aq_common_descriptor.flags, 410 EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA, 1); 411 412 efa_com_set_dma_addr(control_buf_dma_addr, 413 &get_cmd.control_buffer.address.mem_addr_high, 414 &get_cmd.control_buffer.address.mem_addr_low); 415 416 get_cmd.control_buffer.length = control_buff_size; 417 get_cmd.feature_common.feature_id = feature_id; 418 err = efa_com_cmd_exec(aq, 419 (struct efa_admin_aq_entry *) 420 &get_cmd, 421 sizeof(get_cmd), 422 (struct efa_admin_acq_entry *) 423 get_resp, 424 sizeof(*get_resp)); 425 426 if (err) { 427 ibdev_err_ratelimited( 428 edev->efa_dev, 429 "Failed to submit get_feature command %d [%d]\n", 430 feature_id, err); 431 return err; 432 } 433 434 return 0; 435 } 436 437 static int efa_com_get_feature(struct efa_com_dev *edev, 438 struct efa_admin_get_feature_resp *get_resp, 439 enum efa_admin_aq_feature_id feature_id) 440 { 441 return efa_com_get_feature_ex(edev, get_resp, feature_id, 0, 0); 442 } 443 444 int efa_com_get_device_attr(struct efa_com_dev *edev, 445 struct efa_com_get_device_attr_result *result) 446 { 447 struct efa_admin_get_feature_resp resp; 448 int err; 449 450 err = efa_com_get_feature(edev, &resp, EFA_ADMIN_DEVICE_ATTR); 451 if (err) { 452 ibdev_err_ratelimited(edev->efa_dev, 453 "Failed to get device attributes %d\n", 454 err); 455 return err; 456 } 457 458 result->page_size_cap = resp.u.device_attr.page_size_cap; 459 result->fw_version = resp.u.device_attr.fw_version; 460 result->admin_api_version = resp.u.device_attr.admin_api_version; 461 result->device_version = resp.u.device_attr.device_version; 462 result->supported_features = resp.u.device_attr.supported_features; 463 result->phys_addr_width = resp.u.device_attr.phys_addr_width; 464 result->virt_addr_width = resp.u.device_attr.virt_addr_width; 465 result->db_bar = resp.u.device_attr.db_bar; 466 result->max_rdma_size = resp.u.device_attr.max_rdma_size; 467 result->device_caps = resp.u.device_attr.device_caps; 468 result->guid = resp.u.device_attr.guid; 469 470 if (result->admin_api_version < 1) { 471 ibdev_err_ratelimited( 472 edev->efa_dev, 473 "Failed to get device attr api version [%u < 1]\n", 474 result->admin_api_version); 475 return -EINVAL; 476 } 477 478 edev->supported_features = resp.u.device_attr.supported_features; 479 err = efa_com_get_feature(edev, &resp, 480 EFA_ADMIN_QUEUE_ATTR); 481 if (err) { 482 ibdev_err_ratelimited(edev->efa_dev, 483 "Failed to get queue attributes %d\n", 484 err); 485 return err; 486 } 487 488 result->max_qp = resp.u.queue_attr.max_qp; 489 result->max_sq_depth = resp.u.queue_attr.max_sq_depth; 490 result->max_rq_depth = resp.u.queue_attr.max_rq_depth; 491 result->max_cq = resp.u.queue_attr.max_cq; 492 result->max_cq_depth = resp.u.queue_attr.max_cq_depth; 493 result->inline_buf_size = resp.u.queue_attr.inline_buf_size; 494 result->max_sq_sge = resp.u.queue_attr.max_wr_send_sges; 495 result->max_rq_sge = resp.u.queue_attr.max_wr_recv_sges; 496 result->max_mr = resp.u.queue_attr.max_mr; 497 result->max_mr_pages = resp.u.queue_attr.max_mr_pages; 498 result->max_pd = resp.u.queue_attr.max_pd; 499 result->max_ah = resp.u.queue_attr.max_ah; 500 result->max_llq_size = resp.u.queue_attr.max_llq_size; 501 result->sub_cqs_per_cq = resp.u.queue_attr.sub_cqs_per_cq; 502 result->max_wr_rdma_sge = resp.u.queue_attr.max_wr_rdma_sges; 503 result->max_tx_batch = resp.u.queue_attr.max_tx_batch; 504 result->min_sq_depth = resp.u.queue_attr.min_sq_depth; 505 506 err = efa_com_get_feature(edev, &resp, EFA_ADMIN_NETWORK_ATTR); 507 if (err) { 508 ibdev_err_ratelimited(edev->efa_dev, 509 "Failed to get network attributes %d\n", 510 err); 511 return err; 512 } 513 514 memcpy(result->addr, resp.u.network_attr.addr, 515 sizeof(resp.u.network_attr.addr)); 516 result->mtu = resp.u.network_attr.mtu; 517 518 if (efa_com_check_supported_feature_id(edev, 519 EFA_ADMIN_EVENT_QUEUE_ATTR)) { 520 err = efa_com_get_feature(edev, &resp, 521 EFA_ADMIN_EVENT_QUEUE_ATTR); 522 if (err) { 523 ibdev_err_ratelimited( 524 edev->efa_dev, 525 "Failed to get event queue attributes %d\n", 526 err); 527 return err; 528 } 529 530 result->max_eq = resp.u.event_queue_attr.max_eq; 531 result->max_eq_depth = resp.u.event_queue_attr.max_eq_depth; 532 result->event_bitmask = resp.u.event_queue_attr.event_bitmask; 533 } 534 535 return 0; 536 } 537 538 int efa_com_get_hw_hints(struct efa_com_dev *edev, 539 struct efa_com_get_hw_hints_result *result) 540 { 541 struct efa_admin_get_feature_resp resp; 542 int err; 543 544 err = efa_com_get_feature(edev, &resp, EFA_ADMIN_HW_HINTS); 545 if (err) { 546 ibdev_err_ratelimited(edev->efa_dev, 547 "Failed to get hw hints %d\n", err); 548 return err; 549 } 550 551 result->admin_completion_timeout = resp.u.hw_hints.admin_completion_timeout; 552 result->driver_watchdog_timeout = resp.u.hw_hints.driver_watchdog_timeout; 553 result->mmio_read_timeout = resp.u.hw_hints.mmio_read_timeout; 554 result->poll_interval = resp.u.hw_hints.poll_interval; 555 556 return 0; 557 } 558 559 int efa_com_set_feature_ex(struct efa_com_dev *edev, 560 struct efa_admin_set_feature_resp *set_resp, 561 struct efa_admin_set_feature_cmd *set_cmd, 562 enum efa_admin_aq_feature_id feature_id, 563 dma_addr_t control_buf_dma_addr, 564 u32 control_buff_size) 565 { 566 struct efa_com_admin_queue *aq; 567 int err; 568 569 if (!efa_com_check_supported_feature_id(edev, feature_id)) { 570 ibdev_err_ratelimited(edev->efa_dev, 571 "Feature %d isn't supported\n", 572 feature_id); 573 return -EOPNOTSUPP; 574 } 575 576 aq = &edev->aq; 577 578 set_cmd->aq_common_descriptor.opcode = EFA_ADMIN_SET_FEATURE; 579 if (control_buff_size) { 580 set_cmd->aq_common_descriptor.flags = 0; 581 EFA_SET(&set_cmd->aq_common_descriptor.flags, 582 EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA, 1); 583 efa_com_set_dma_addr(control_buf_dma_addr, 584 &set_cmd->control_buffer.address.mem_addr_high, 585 &set_cmd->control_buffer.address.mem_addr_low); 586 } 587 588 set_cmd->control_buffer.length = control_buff_size; 589 set_cmd->feature_common.feature_id = feature_id; 590 err = efa_com_cmd_exec(aq, 591 (struct efa_admin_aq_entry *)set_cmd, 592 sizeof(*set_cmd), 593 (struct efa_admin_acq_entry *)set_resp, 594 sizeof(*set_resp)); 595 596 if (err) { 597 ibdev_err_ratelimited( 598 edev->efa_dev, 599 "Failed to submit set_feature command %d error: %d\n", 600 feature_id, err); 601 return err; 602 } 603 604 return 0; 605 } 606 607 static int efa_com_set_feature(struct efa_com_dev *edev, 608 struct efa_admin_set_feature_resp *set_resp, 609 struct efa_admin_set_feature_cmd *set_cmd, 610 enum efa_admin_aq_feature_id feature_id) 611 { 612 return efa_com_set_feature_ex(edev, set_resp, set_cmd, feature_id, 613 0, 0); 614 } 615 616 int efa_com_set_aenq_config(struct efa_com_dev *edev, u32 groups) 617 { 618 struct efa_admin_get_feature_resp get_resp; 619 struct efa_admin_set_feature_resp set_resp; 620 struct efa_admin_set_feature_cmd cmd = {}; 621 int err; 622 623 ibdev_dbg(edev->efa_dev, "Configuring aenq with groups[%#x]\n", groups); 624 625 err = efa_com_get_feature(edev, &get_resp, EFA_ADMIN_AENQ_CONFIG); 626 if (err) { 627 ibdev_err_ratelimited(edev->efa_dev, 628 "Failed to get aenq attributes: %d\n", 629 err); 630 return err; 631 } 632 633 ibdev_dbg(edev->efa_dev, 634 "Get aenq groups: supported[%#x] enabled[%#x]\n", 635 get_resp.u.aenq.supported_groups, 636 get_resp.u.aenq.enabled_groups); 637 638 if ((get_resp.u.aenq.supported_groups & groups) != groups) { 639 ibdev_err_ratelimited( 640 edev->efa_dev, 641 "Trying to set unsupported aenq groups[%#x] supported[%#x]\n", 642 groups, get_resp.u.aenq.supported_groups); 643 return -EOPNOTSUPP; 644 } 645 646 cmd.u.aenq.enabled_groups = groups; 647 err = efa_com_set_feature(edev, &set_resp, &cmd, 648 EFA_ADMIN_AENQ_CONFIG); 649 if (err) { 650 ibdev_err_ratelimited(edev->efa_dev, 651 "Failed to set aenq attributes: %d\n", 652 err); 653 return err; 654 } 655 656 return 0; 657 } 658 659 int efa_com_alloc_pd(struct efa_com_dev *edev, 660 struct efa_com_alloc_pd_result *result) 661 { 662 struct efa_com_admin_queue *aq = &edev->aq; 663 struct efa_admin_alloc_pd_cmd cmd = {}; 664 struct efa_admin_alloc_pd_resp resp; 665 int err; 666 667 cmd.aq_common_descriptor.opcode = EFA_ADMIN_ALLOC_PD; 668 669 err = efa_com_cmd_exec(aq, 670 (struct efa_admin_aq_entry *)&cmd, 671 sizeof(cmd), 672 (struct efa_admin_acq_entry *)&resp, 673 sizeof(resp)); 674 if (err) { 675 ibdev_err_ratelimited(edev->efa_dev, 676 "Failed to allocate pd[%d]\n", err); 677 return err; 678 } 679 680 result->pdn = resp.pd; 681 682 return 0; 683 } 684 685 int efa_com_dealloc_pd(struct efa_com_dev *edev, 686 struct efa_com_dealloc_pd_params *params) 687 { 688 struct efa_com_admin_queue *aq = &edev->aq; 689 struct efa_admin_dealloc_pd_cmd cmd = {}; 690 struct efa_admin_dealloc_pd_resp resp; 691 int err; 692 693 cmd.aq_common_descriptor.opcode = EFA_ADMIN_DEALLOC_PD; 694 cmd.pd = params->pdn; 695 696 err = efa_com_cmd_exec(aq, 697 (struct efa_admin_aq_entry *)&cmd, 698 sizeof(cmd), 699 (struct efa_admin_acq_entry *)&resp, 700 sizeof(resp)); 701 if (err) { 702 ibdev_err_ratelimited(edev->efa_dev, 703 "Failed to deallocate pd-%u [%d]\n", 704 cmd.pd, err); 705 return err; 706 } 707 708 return 0; 709 } 710 711 int efa_com_alloc_uar(struct efa_com_dev *edev, 712 struct efa_com_alloc_uar_result *result) 713 { 714 struct efa_com_admin_queue *aq = &edev->aq; 715 struct efa_admin_alloc_uar_cmd cmd = {}; 716 struct efa_admin_alloc_uar_resp resp; 717 int err; 718 719 cmd.aq_common_descriptor.opcode = EFA_ADMIN_ALLOC_UAR; 720 721 err = efa_com_cmd_exec(aq, 722 (struct efa_admin_aq_entry *)&cmd, 723 sizeof(cmd), 724 (struct efa_admin_acq_entry *)&resp, 725 sizeof(resp)); 726 if (err) { 727 ibdev_err_ratelimited(edev->efa_dev, 728 "Failed to allocate uar[%d]\n", err); 729 return err; 730 } 731 732 result->uarn = resp.uar; 733 734 return 0; 735 } 736 737 int efa_com_dealloc_uar(struct efa_com_dev *edev, 738 struct efa_com_dealloc_uar_params *params) 739 { 740 struct efa_com_admin_queue *aq = &edev->aq; 741 struct efa_admin_dealloc_uar_cmd cmd = {}; 742 struct efa_admin_dealloc_uar_resp resp; 743 int err; 744 745 cmd.aq_common_descriptor.opcode = EFA_ADMIN_DEALLOC_UAR; 746 cmd.uar = params->uarn; 747 748 err = efa_com_cmd_exec(aq, 749 (struct efa_admin_aq_entry *)&cmd, 750 sizeof(cmd), 751 (struct efa_admin_acq_entry *)&resp, 752 sizeof(resp)); 753 if (err) { 754 ibdev_err_ratelimited(edev->efa_dev, 755 "Failed to deallocate uar-%u [%d]\n", 756 cmd.uar, err); 757 return err; 758 } 759 760 return 0; 761 } 762 763 int efa_com_get_stats(struct efa_com_dev *edev, 764 struct efa_com_get_stats_params *params, 765 union efa_com_get_stats_result *result) 766 { 767 struct efa_com_admin_queue *aq = &edev->aq; 768 struct efa_admin_aq_get_stats_cmd cmd = {}; 769 struct efa_admin_acq_get_stats_resp resp; 770 int err; 771 772 cmd.aq_common_descriptor.opcode = EFA_ADMIN_GET_STATS; 773 cmd.type = params->type; 774 cmd.scope = params->scope; 775 cmd.scope_modifier = params->scope_modifier; 776 777 err = efa_com_cmd_exec(aq, 778 (struct efa_admin_aq_entry *)&cmd, 779 sizeof(cmd), 780 (struct efa_admin_acq_entry *)&resp, 781 sizeof(resp)); 782 if (err) { 783 ibdev_err_ratelimited( 784 edev->efa_dev, 785 "Failed to get stats type-%u scope-%u.%u [%d]\n", 786 cmd.type, cmd.scope, cmd.scope_modifier, err); 787 return err; 788 } 789 790 switch (cmd.type) { 791 case EFA_ADMIN_GET_STATS_TYPE_BASIC: 792 result->basic_stats.tx_bytes = resp.u.basic_stats.tx_bytes; 793 result->basic_stats.tx_pkts = resp.u.basic_stats.tx_pkts; 794 result->basic_stats.rx_bytes = resp.u.basic_stats.rx_bytes; 795 result->basic_stats.rx_pkts = resp.u.basic_stats.rx_pkts; 796 result->basic_stats.rx_drops = resp.u.basic_stats.rx_drops; 797 break; 798 case EFA_ADMIN_GET_STATS_TYPE_MESSAGES: 799 result->messages_stats.send_bytes = resp.u.messages_stats.send_bytes; 800 result->messages_stats.send_wrs = resp.u.messages_stats.send_wrs; 801 result->messages_stats.recv_bytes = resp.u.messages_stats.recv_bytes; 802 result->messages_stats.recv_wrs = resp.u.messages_stats.recv_wrs; 803 break; 804 case EFA_ADMIN_GET_STATS_TYPE_RDMA_READ: 805 result->rdma_read_stats.read_wrs = resp.u.rdma_read_stats.read_wrs; 806 result->rdma_read_stats.read_bytes = resp.u.rdma_read_stats.read_bytes; 807 result->rdma_read_stats.read_wr_err = resp.u.rdma_read_stats.read_wr_err; 808 result->rdma_read_stats.read_resp_bytes = resp.u.rdma_read_stats.read_resp_bytes; 809 break; 810 case EFA_ADMIN_GET_STATS_TYPE_RDMA_WRITE: 811 result->rdma_write_stats.write_wrs = resp.u.rdma_write_stats.write_wrs; 812 result->rdma_write_stats.write_bytes = resp.u.rdma_write_stats.write_bytes; 813 result->rdma_write_stats.write_wr_err = resp.u.rdma_write_stats.write_wr_err; 814 result->rdma_write_stats.write_recv_bytes = resp.u.rdma_write_stats.write_recv_bytes; 815 break; 816 } 817 818 return 0; 819 } 820