1 // SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause 2 /* 3 * Copyright 2018-2026 Amazon.com, Inc. or its affiliates. All rights reserved. 4 */ 5 6 #include "efa_com.h" 7 #include "efa_com_cmd.h" 8 9 #define EFA_DEFAULT_LINK_SPEED_GBPS 100 10 11 int efa_com_create_qp(struct efa_com_dev *edev, 12 struct efa_com_create_qp_params *params, 13 struct efa_com_create_qp_result *res) 14 { 15 struct efa_admin_create_qp_cmd create_qp_cmd = {}; 16 struct efa_admin_create_qp_resp cmd_completion; 17 struct efa_com_admin_queue *aq = &edev->aq; 18 int err; 19 20 create_qp_cmd.aq_common_desc.opcode = EFA_ADMIN_CREATE_QP; 21 22 create_qp_cmd.pd = params->pd; 23 create_qp_cmd.qp_type = params->qp_type; 24 create_qp_cmd.rq_base_addr = params->rq_base_addr; 25 create_qp_cmd.send_cq_idx = params->send_cq_idx; 26 create_qp_cmd.recv_cq_idx = params->recv_cq_idx; 27 create_qp_cmd.qp_alloc_size.send_queue_ring_size = 28 params->sq_ring_size_in_bytes; 29 create_qp_cmd.qp_alloc_size.send_queue_depth = 30 params->sq_depth; 31 create_qp_cmd.qp_alloc_size.recv_queue_ring_size = 32 params->rq_ring_size_in_bytes; 33 create_qp_cmd.qp_alloc_size.recv_queue_depth = 34 params->rq_depth; 35 create_qp_cmd.uar = params->uarn; 36 create_qp_cmd.sl = params->sl; 37 38 if (params->unsolicited_write_recv) 39 EFA_SET(&create_qp_cmd.flags, EFA_ADMIN_CREATE_QP_CMD_UNSOLICITED_WRITE_RECV, 1); 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 cmd.rnr_retry = params->rnr_retry; 80 81 err = efa_com_cmd_exec(aq, 82 (struct efa_admin_aq_entry *)&cmd, 83 sizeof(cmd), 84 (struct efa_admin_acq_entry *)&resp, 85 sizeof(resp)); 86 if (err) { 87 ibdev_err_ratelimited( 88 edev->efa_dev, 89 "Failed to modify qp-%u modify_mask[%#x] [%d]\n", 90 cmd.qp_handle, cmd.modify_mask, err); 91 return err; 92 } 93 94 return 0; 95 } 96 97 int efa_com_query_qp(struct efa_com_dev *edev, 98 struct efa_com_query_qp_params *params, 99 struct efa_com_query_qp_result *result) 100 { 101 struct efa_com_admin_queue *aq = &edev->aq; 102 struct efa_admin_query_qp_cmd cmd = {}; 103 struct efa_admin_query_qp_resp resp; 104 int err; 105 106 cmd.aq_common_desc.opcode = EFA_ADMIN_QUERY_QP; 107 cmd.qp_handle = params->qp_handle; 108 109 err = efa_com_cmd_exec(aq, 110 (struct efa_admin_aq_entry *)&cmd, 111 sizeof(cmd), 112 (struct efa_admin_acq_entry *)&resp, 113 sizeof(resp)); 114 if (err) { 115 ibdev_err_ratelimited(edev->efa_dev, 116 "Failed to query qp-%u [%d]\n", 117 cmd.qp_handle, err); 118 return err; 119 } 120 121 result->qp_state = resp.qp_state; 122 result->qkey = resp.qkey; 123 result->sq_draining = resp.sq_draining; 124 result->sq_psn = resp.sq_psn; 125 result->rnr_retry = resp.rnr_retry; 126 127 return 0; 128 } 129 130 int efa_com_destroy_qp(struct efa_com_dev *edev, 131 struct efa_com_destroy_qp_params *params) 132 { 133 struct efa_admin_destroy_qp_resp cmd_completion; 134 struct efa_admin_destroy_qp_cmd qp_cmd = {}; 135 struct efa_com_admin_queue *aq = &edev->aq; 136 int err; 137 138 qp_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_QP; 139 qp_cmd.qp_handle = params->qp_handle; 140 141 err = efa_com_cmd_exec(aq, 142 (struct efa_admin_aq_entry *)&qp_cmd, 143 sizeof(qp_cmd), 144 (struct efa_admin_acq_entry *)&cmd_completion, 145 sizeof(cmd_completion)); 146 if (err) { 147 ibdev_err_ratelimited(edev->efa_dev, 148 "Failed to destroy qp-%u [%d]\n", 149 qp_cmd.qp_handle, err); 150 return err; 151 } 152 153 return 0; 154 } 155 156 int efa_com_create_cq(struct efa_com_dev *edev, 157 struct efa_com_create_cq_params *params, 158 struct efa_com_create_cq_result *result) 159 { 160 struct efa_admin_create_cq_resp cmd_completion = {}; 161 struct efa_admin_create_cq_cmd create_cmd = {}; 162 struct efa_com_admin_queue *aq = &edev->aq; 163 int err; 164 165 create_cmd.aq_common_desc.opcode = EFA_ADMIN_CREATE_CQ; 166 EFA_SET(&create_cmd.cq_caps_2, 167 EFA_ADMIN_CREATE_CQ_CMD_CQ_ENTRY_SIZE_WORDS, 168 params->entry_size_in_bytes / 4); 169 create_cmd.sub_cq_depth = params->sub_cq_depth; 170 create_cmd.num_sub_cqs = params->num_sub_cqs; 171 create_cmd.uar = params->uarn; 172 if (params->interrupt_mode_enabled) { 173 EFA_SET(&create_cmd.cq_caps_1, 174 EFA_ADMIN_CREATE_CQ_CMD_INTERRUPT_MODE_ENABLED, 1); 175 create_cmd.eqn = params->eqn; 176 } 177 if (params->set_src_addr) { 178 EFA_SET(&create_cmd.cq_caps_2, 179 EFA_ADMIN_CREATE_CQ_CMD_SET_SRC_ADDR, 1); 180 } 181 efa_com_set_dma_addr(params->dma_addr, 182 &create_cmd.cq_ba.mem_addr_high, 183 &create_cmd.cq_ba.mem_addr_low); 184 185 err = efa_com_cmd_exec(aq, 186 (struct efa_admin_aq_entry *)&create_cmd, 187 sizeof(create_cmd), 188 (struct efa_admin_acq_entry *)&cmd_completion, 189 sizeof(cmd_completion)); 190 if (err) { 191 ibdev_err_ratelimited(edev->efa_dev, 192 "Failed to create cq[%d]\n", err); 193 return err; 194 } 195 196 result->cq_idx = cmd_completion.cq_idx; 197 result->actual_depth = params->sub_cq_depth; 198 result->db_off = cmd_completion.db_offset; 199 result->db_valid = EFA_GET(&cmd_completion.flags, 200 EFA_ADMIN_CREATE_CQ_RESP_DB_VALID); 201 202 return 0; 203 } 204 205 int efa_com_destroy_cq(struct efa_com_dev *edev, 206 struct efa_com_destroy_cq_params *params) 207 { 208 struct efa_admin_destroy_cq_cmd destroy_cmd = {}; 209 struct efa_admin_destroy_cq_resp destroy_resp; 210 struct efa_com_admin_queue *aq = &edev->aq; 211 int err; 212 213 destroy_cmd.cq_idx = params->cq_idx; 214 destroy_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_CQ; 215 216 err = efa_com_cmd_exec(aq, 217 (struct efa_admin_aq_entry *)&destroy_cmd, 218 sizeof(destroy_cmd), 219 (struct efa_admin_acq_entry *)&destroy_resp, 220 sizeof(destroy_resp)); 221 222 if (err) { 223 ibdev_err_ratelimited(edev->efa_dev, 224 "Failed to destroy CQ-%u [%d]\n", 225 params->cq_idx, err); 226 return err; 227 } 228 229 return 0; 230 } 231 232 int efa_com_register_mr(struct efa_com_dev *edev, 233 struct efa_com_reg_mr_params *params, 234 struct efa_com_reg_mr_result *result) 235 { 236 struct efa_admin_reg_mr_resp cmd_completion; 237 struct efa_com_admin_queue *aq = &edev->aq; 238 struct efa_admin_reg_mr_cmd mr_cmd = {}; 239 int err; 240 241 mr_cmd.aq_common_desc.opcode = EFA_ADMIN_REG_MR; 242 mr_cmd.pd = params->pd; 243 mr_cmd.mr_length = params->mr_length_in_bytes; 244 EFA_SET(&mr_cmd.flags, EFA_ADMIN_REG_MR_CMD_PHYS_PAGE_SIZE_SHIFT, 245 params->page_shift); 246 mr_cmd.iova = params->iova; 247 mr_cmd.permissions = params->permissions; 248 249 if (params->inline_pbl) { 250 memcpy(mr_cmd.pbl.inline_pbl_array, 251 params->pbl.inline_pbl_array, 252 sizeof(mr_cmd.pbl.inline_pbl_array)); 253 } else { 254 mr_cmd.pbl.pbl.length = params->pbl.pbl.length; 255 mr_cmd.pbl.pbl.address.mem_addr_low = 256 params->pbl.pbl.address.mem_addr_low; 257 mr_cmd.pbl.pbl.address.mem_addr_high = 258 params->pbl.pbl.address.mem_addr_high; 259 EFA_SET(&mr_cmd.aq_common_desc.flags, 260 EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA, 1); 261 if (params->indirect) 262 EFA_SET(&mr_cmd.aq_common_desc.flags, 263 EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT, 1); 264 } 265 266 err = efa_com_cmd_exec(aq, 267 (struct efa_admin_aq_entry *)&mr_cmd, 268 sizeof(mr_cmd), 269 (struct efa_admin_acq_entry *)&cmd_completion, 270 sizeof(cmd_completion)); 271 if (err) { 272 ibdev_err_ratelimited(edev->efa_dev, 273 "Failed to register mr [%d]\n", err); 274 return err; 275 } 276 277 result->l_key = cmd_completion.l_key; 278 result->r_key = cmd_completion.r_key; 279 result->ic_info.recv_ic_id = cmd_completion.recv_ic_id; 280 result->ic_info.rdma_read_ic_id = cmd_completion.rdma_read_ic_id; 281 result->ic_info.rdma_recv_ic_id = cmd_completion.rdma_recv_ic_id; 282 result->ic_info.recv_ic_id_valid = EFA_GET(&cmd_completion.validity, 283 EFA_ADMIN_REG_MR_RESP_RECV_IC_ID); 284 result->ic_info.rdma_read_ic_id_valid = EFA_GET(&cmd_completion.validity, 285 EFA_ADMIN_REG_MR_RESP_RDMA_READ_IC_ID); 286 result->ic_info.rdma_recv_ic_id_valid = EFA_GET(&cmd_completion.validity, 287 EFA_ADMIN_REG_MR_RESP_RDMA_RECV_IC_ID); 288 289 return 0; 290 } 291 292 int efa_com_dereg_mr(struct efa_com_dev *edev, 293 struct efa_com_dereg_mr_params *params) 294 { 295 struct efa_admin_dereg_mr_resp cmd_completion; 296 struct efa_com_admin_queue *aq = &edev->aq; 297 struct efa_admin_dereg_mr_cmd mr_cmd = {}; 298 int err; 299 300 mr_cmd.aq_common_desc.opcode = EFA_ADMIN_DEREG_MR; 301 mr_cmd.l_key = params->l_key; 302 303 err = efa_com_cmd_exec(aq, 304 (struct efa_admin_aq_entry *)&mr_cmd, 305 sizeof(mr_cmd), 306 (struct efa_admin_acq_entry *)&cmd_completion, 307 sizeof(cmd_completion)); 308 if (err) { 309 ibdev_err_ratelimited(edev->efa_dev, 310 "Failed to de-register mr(lkey-%u) [%d]\n", 311 mr_cmd.l_key, err); 312 return err; 313 } 314 315 return 0; 316 } 317 318 int efa_com_create_ah(struct efa_com_dev *edev, 319 struct efa_com_create_ah_params *params, 320 struct efa_com_create_ah_result *result) 321 { 322 struct efa_admin_create_ah_resp cmd_completion; 323 struct efa_com_admin_queue *aq = &edev->aq; 324 struct efa_admin_create_ah_cmd ah_cmd = {}; 325 int err; 326 327 ah_cmd.aq_common_desc.opcode = EFA_ADMIN_CREATE_AH; 328 329 memcpy(ah_cmd.dest_addr, params->dest_addr, sizeof(ah_cmd.dest_addr)); 330 ah_cmd.pd = params->pdn; 331 332 err = efa_com_cmd_exec(aq, 333 (struct efa_admin_aq_entry *)&ah_cmd, 334 sizeof(ah_cmd), 335 (struct efa_admin_acq_entry *)&cmd_completion, 336 sizeof(cmd_completion)); 337 if (err) { 338 ibdev_err_ratelimited(edev->efa_dev, 339 "Failed to create ah for %pI6 [%d]\n", 340 ah_cmd.dest_addr, err); 341 return err; 342 } 343 344 result->ah = cmd_completion.ah; 345 346 return 0; 347 } 348 349 int efa_com_destroy_ah(struct efa_com_dev *edev, 350 struct efa_com_destroy_ah_params *params) 351 { 352 struct efa_admin_destroy_ah_resp cmd_completion; 353 struct efa_admin_destroy_ah_cmd ah_cmd = {}; 354 struct efa_com_admin_queue *aq = &edev->aq; 355 int err; 356 357 ah_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_AH; 358 ah_cmd.ah = params->ah; 359 ah_cmd.pd = params->pdn; 360 361 err = efa_com_cmd_exec(aq, 362 (struct efa_admin_aq_entry *)&ah_cmd, 363 sizeof(ah_cmd), 364 (struct efa_admin_acq_entry *)&cmd_completion, 365 sizeof(cmd_completion)); 366 if (err) { 367 ibdev_err_ratelimited(edev->efa_dev, 368 "Failed to destroy ah-%d pd-%d [%d]\n", 369 ah_cmd.ah, ah_cmd.pd, err); 370 return err; 371 } 372 373 return 0; 374 } 375 376 bool 377 efa_com_check_supported_feature_id(struct efa_com_dev *edev, 378 enum efa_admin_aq_feature_id feature_id) 379 { 380 u32 feature_mask = 1 << feature_id; 381 382 /* Device attributes is always supported */ 383 if (feature_id != EFA_ADMIN_DEVICE_ATTR && 384 !(edev->supported_features & feature_mask)) 385 return false; 386 387 return true; 388 } 389 390 static int efa_com_get_feature_ex(struct efa_com_dev *edev, 391 struct efa_admin_get_feature_resp *get_resp, 392 enum efa_admin_aq_feature_id feature_id, 393 dma_addr_t control_buf_dma_addr, 394 u32 control_buff_size) 395 { 396 struct efa_admin_get_feature_cmd get_cmd = {}; 397 struct efa_com_admin_queue *aq; 398 int err; 399 400 if (!efa_com_check_supported_feature_id(edev, feature_id)) { 401 ibdev_err_ratelimited(edev->efa_dev, 402 "Feature %d isn't supported\n", 403 feature_id); 404 return -EOPNOTSUPP; 405 } 406 407 aq = &edev->aq; 408 409 get_cmd.aq_common_descriptor.opcode = EFA_ADMIN_GET_FEATURE; 410 411 if (control_buff_size) 412 EFA_SET(&get_cmd.aq_common_descriptor.flags, 413 EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA, 1); 414 415 efa_com_set_dma_addr(control_buf_dma_addr, 416 &get_cmd.control_buffer.address.mem_addr_high, 417 &get_cmd.control_buffer.address.mem_addr_low); 418 419 get_cmd.control_buffer.length = control_buff_size; 420 get_cmd.feature_common.feature_id = feature_id; 421 err = efa_com_cmd_exec(aq, 422 (struct efa_admin_aq_entry *) 423 &get_cmd, 424 sizeof(get_cmd), 425 (struct efa_admin_acq_entry *) 426 get_resp, 427 sizeof(*get_resp)); 428 429 if (err) { 430 ibdev_err_ratelimited( 431 edev->efa_dev, 432 "Failed to submit get_feature command %d [%d]\n", 433 feature_id, err); 434 return err; 435 } 436 437 return 0; 438 } 439 440 static int efa_com_get_feature(struct efa_com_dev *edev, 441 struct efa_admin_get_feature_resp *get_resp, 442 enum efa_admin_aq_feature_id feature_id) 443 { 444 return efa_com_get_feature_ex(edev, get_resp, feature_id, 0, 0); 445 } 446 447 int efa_com_get_device_attr(struct efa_com_dev *edev, 448 struct efa_com_get_device_attr_result *result) 449 { 450 struct efa_admin_get_feature_resp resp; 451 int err; 452 453 err = efa_com_get_feature(edev, &resp, EFA_ADMIN_DEVICE_ATTR); 454 if (err) { 455 ibdev_err_ratelimited(edev->efa_dev, 456 "Failed to get device attributes %d\n", 457 err); 458 return err; 459 } 460 461 result->page_size_cap = resp.u.device_attr.page_size_cap; 462 result->fw_version = resp.u.device_attr.fw_version; 463 result->admin_api_version = resp.u.device_attr.admin_api_version; 464 result->device_version = resp.u.device_attr.device_version; 465 result->supported_features = resp.u.device_attr.supported_features; 466 result->phys_addr_width = resp.u.device_attr.phys_addr_width; 467 result->virt_addr_width = resp.u.device_attr.virt_addr_width; 468 result->db_bar = resp.u.device_attr.db_bar; 469 result->max_rdma_size = resp.u.device_attr.max_rdma_size; 470 result->device_caps = resp.u.device_attr.device_caps; 471 result->guid = resp.u.device_attr.guid; 472 result->max_link_speed_gbps = resp.u.device_attr.max_link_speed_gbps; 473 if (!result->max_link_speed_gbps) 474 result->max_link_speed_gbps = EFA_DEFAULT_LINK_SPEED_GBPS; 475 476 if (result->admin_api_version < 1) { 477 ibdev_err_ratelimited( 478 edev->efa_dev, 479 "Failed to get device attr api version [%u < 1]\n", 480 result->admin_api_version); 481 return -EINVAL; 482 } 483 484 edev->supported_features = resp.u.device_attr.supported_features; 485 err = efa_com_get_feature(edev, &resp, 486 EFA_ADMIN_QUEUE_ATTR_1); 487 if (err) { 488 ibdev_err_ratelimited(edev->efa_dev, 489 "Failed to get queue attributes1 %d\n", 490 err); 491 return err; 492 } 493 494 result->max_qp = resp.u.queue_attr_1.max_qp; 495 result->max_sq_depth = resp.u.queue_attr_1.max_sq_depth; 496 result->max_rq_depth = resp.u.queue_attr_1.max_rq_depth; 497 result->max_cq = resp.u.queue_attr_1.max_cq; 498 result->max_cq_depth = resp.u.queue_attr_1.max_cq_depth; 499 result->inline_buf_size = resp.u.queue_attr_1.inline_buf_size; 500 result->max_sq_sge = resp.u.queue_attr_1.max_wr_send_sges; 501 result->max_rq_sge = resp.u.queue_attr_1.max_wr_recv_sges; 502 result->max_mr = resp.u.queue_attr_1.max_mr; 503 result->max_mr_pages = resp.u.queue_attr_1.max_mr_pages; 504 result->max_pd = resp.u.queue_attr_1.max_pd; 505 result->max_ah = resp.u.queue_attr_1.max_ah; 506 result->max_llq_size = resp.u.queue_attr_1.max_llq_size; 507 result->sub_cqs_per_cq = resp.u.queue_attr_1.sub_cqs_per_cq; 508 result->max_wr_rdma_sge = resp.u.queue_attr_1.max_wr_rdma_sges; 509 result->max_tx_batch = resp.u.queue_attr_1.max_tx_batch; 510 result->min_sq_depth = resp.u.queue_attr_1.min_sq_depth; 511 512 if (efa_com_check_supported_feature_id(edev, EFA_ADMIN_QUEUE_ATTR_2)) { 513 err = efa_com_get_feature(edev, &resp, 514 EFA_ADMIN_QUEUE_ATTR_2); 515 if (err) { 516 ibdev_err_ratelimited( 517 edev->efa_dev, 518 "Failed to get queue attributes2 %d\n", err); 519 return err; 520 } 521 522 result->inline_buf_size_ex = resp.u.queue_attr_2.inline_buf_size_ex; 523 } else { 524 result->inline_buf_size_ex = result->inline_buf_size; 525 } 526 527 err = efa_com_get_feature(edev, &resp, EFA_ADMIN_NETWORK_ATTR); 528 if (err) { 529 ibdev_err_ratelimited(edev->efa_dev, 530 "Failed to get network attributes %d\n", 531 err); 532 return err; 533 } 534 535 memcpy(result->addr, resp.u.network_attr.addr, 536 sizeof(resp.u.network_attr.addr)); 537 result->mtu = resp.u.network_attr.mtu; 538 539 if (efa_com_check_supported_feature_id(edev, 540 EFA_ADMIN_EVENT_QUEUE_ATTR)) { 541 err = efa_com_get_feature(edev, &resp, 542 EFA_ADMIN_EVENT_QUEUE_ATTR); 543 if (err) { 544 ibdev_err_ratelimited( 545 edev->efa_dev, 546 "Failed to get event queue attributes %d\n", 547 err); 548 return err; 549 } 550 551 result->max_eq = resp.u.event_queue_attr.max_eq; 552 result->max_eq_depth = resp.u.event_queue_attr.max_eq_depth; 553 result->event_bitmask = resp.u.event_queue_attr.event_bitmask; 554 } 555 556 return 0; 557 } 558 559 int efa_com_get_hw_hints(struct efa_com_dev *edev, 560 struct efa_com_get_hw_hints_result *result) 561 { 562 struct efa_admin_get_feature_resp resp; 563 int err; 564 565 err = efa_com_get_feature(edev, &resp, EFA_ADMIN_HW_HINTS); 566 if (err) { 567 ibdev_err_ratelimited(edev->efa_dev, 568 "Failed to get hw hints %d\n", err); 569 return err; 570 } 571 572 result->admin_completion_timeout = resp.u.hw_hints.admin_completion_timeout; 573 result->driver_watchdog_timeout = resp.u.hw_hints.driver_watchdog_timeout; 574 result->mmio_read_timeout = resp.u.hw_hints.mmio_read_timeout; 575 result->poll_interval = resp.u.hw_hints.poll_interval; 576 577 return 0; 578 } 579 580 int efa_com_set_feature_ex(struct efa_com_dev *edev, 581 struct efa_admin_set_feature_resp *set_resp, 582 struct efa_admin_set_feature_cmd *set_cmd, 583 enum efa_admin_aq_feature_id feature_id, 584 dma_addr_t control_buf_dma_addr, 585 u32 control_buff_size) 586 { 587 struct efa_com_admin_queue *aq; 588 int err; 589 590 if (!efa_com_check_supported_feature_id(edev, feature_id)) { 591 ibdev_err_ratelimited(edev->efa_dev, 592 "Feature %d isn't supported\n", 593 feature_id); 594 return -EOPNOTSUPP; 595 } 596 597 aq = &edev->aq; 598 599 set_cmd->aq_common_descriptor.opcode = EFA_ADMIN_SET_FEATURE; 600 if (control_buff_size) { 601 set_cmd->aq_common_descriptor.flags = 0; 602 EFA_SET(&set_cmd->aq_common_descriptor.flags, 603 EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA, 1); 604 efa_com_set_dma_addr(control_buf_dma_addr, 605 &set_cmd->control_buffer.address.mem_addr_high, 606 &set_cmd->control_buffer.address.mem_addr_low); 607 } 608 609 set_cmd->control_buffer.length = control_buff_size; 610 set_cmd->feature_common.feature_id = feature_id; 611 err = efa_com_cmd_exec(aq, 612 (struct efa_admin_aq_entry *)set_cmd, 613 sizeof(*set_cmd), 614 (struct efa_admin_acq_entry *)set_resp, 615 sizeof(*set_resp)); 616 617 if (err) { 618 ibdev_err_ratelimited( 619 edev->efa_dev, 620 "Failed to submit set_feature command %d error: %d\n", 621 feature_id, err); 622 return err; 623 } 624 625 return 0; 626 } 627 628 static int efa_com_set_feature(struct efa_com_dev *edev, 629 struct efa_admin_set_feature_resp *set_resp, 630 struct efa_admin_set_feature_cmd *set_cmd, 631 enum efa_admin_aq_feature_id feature_id) 632 { 633 return efa_com_set_feature_ex(edev, set_resp, set_cmd, feature_id, 634 0, 0); 635 } 636 637 int efa_com_set_aenq_config(struct efa_com_dev *edev, u32 groups) 638 { 639 struct efa_admin_get_feature_resp get_resp; 640 struct efa_admin_set_feature_resp set_resp; 641 struct efa_admin_set_feature_cmd cmd = {}; 642 int err; 643 644 ibdev_dbg(edev->efa_dev, "Configuring aenq with groups[%#x]\n", groups); 645 646 err = efa_com_get_feature(edev, &get_resp, EFA_ADMIN_AENQ_CONFIG); 647 if (err) { 648 ibdev_err_ratelimited(edev->efa_dev, 649 "Failed to get aenq attributes: %d\n", 650 err); 651 return err; 652 } 653 654 ibdev_dbg(edev->efa_dev, 655 "Get aenq groups: supported[%#x] enabled[%#x]\n", 656 get_resp.u.aenq.supported_groups, 657 get_resp.u.aenq.enabled_groups); 658 659 if ((get_resp.u.aenq.supported_groups & groups) != groups) { 660 ibdev_err_ratelimited( 661 edev->efa_dev, 662 "Trying to set unsupported aenq groups[%#x] supported[%#x]\n", 663 groups, get_resp.u.aenq.supported_groups); 664 return -EOPNOTSUPP; 665 } 666 667 cmd.u.aenq.enabled_groups = groups; 668 err = efa_com_set_feature(edev, &set_resp, &cmd, 669 EFA_ADMIN_AENQ_CONFIG); 670 if (err) { 671 ibdev_err_ratelimited(edev->efa_dev, 672 "Failed to set aenq attributes: %d\n", 673 err); 674 return err; 675 } 676 677 return 0; 678 } 679 680 int efa_com_alloc_pd(struct efa_com_dev *edev, 681 struct efa_com_alloc_pd_result *result) 682 { 683 struct efa_com_admin_queue *aq = &edev->aq; 684 struct efa_admin_alloc_pd_cmd cmd = {}; 685 struct efa_admin_alloc_pd_resp resp; 686 int err; 687 688 cmd.aq_common_descriptor.opcode = EFA_ADMIN_ALLOC_PD; 689 690 err = efa_com_cmd_exec(aq, 691 (struct efa_admin_aq_entry *)&cmd, 692 sizeof(cmd), 693 (struct efa_admin_acq_entry *)&resp, 694 sizeof(resp)); 695 if (err) { 696 ibdev_err_ratelimited(edev->efa_dev, 697 "Failed to allocate pd[%d]\n", err); 698 return err; 699 } 700 701 result->pdn = resp.pd; 702 703 return 0; 704 } 705 706 int efa_com_dealloc_pd(struct efa_com_dev *edev, 707 struct efa_com_dealloc_pd_params *params) 708 { 709 struct efa_com_admin_queue *aq = &edev->aq; 710 struct efa_admin_dealloc_pd_cmd cmd = {}; 711 struct efa_admin_dealloc_pd_resp resp; 712 int err; 713 714 cmd.aq_common_descriptor.opcode = EFA_ADMIN_DEALLOC_PD; 715 cmd.pd = params->pdn; 716 717 err = efa_com_cmd_exec(aq, 718 (struct efa_admin_aq_entry *)&cmd, 719 sizeof(cmd), 720 (struct efa_admin_acq_entry *)&resp, 721 sizeof(resp)); 722 if (err) { 723 ibdev_err_ratelimited(edev->efa_dev, 724 "Failed to deallocate pd-%u [%d]\n", 725 cmd.pd, err); 726 return err; 727 } 728 729 return 0; 730 } 731 732 int efa_com_alloc_uar(struct efa_com_dev *edev, 733 struct efa_com_alloc_uar_result *result) 734 { 735 struct efa_com_admin_queue *aq = &edev->aq; 736 struct efa_admin_alloc_uar_cmd cmd = {}; 737 struct efa_admin_alloc_uar_resp resp; 738 int err; 739 740 cmd.aq_common_descriptor.opcode = EFA_ADMIN_ALLOC_UAR; 741 742 err = efa_com_cmd_exec(aq, 743 (struct efa_admin_aq_entry *)&cmd, 744 sizeof(cmd), 745 (struct efa_admin_acq_entry *)&resp, 746 sizeof(resp)); 747 if (err) { 748 ibdev_err_ratelimited(edev->efa_dev, 749 "Failed to allocate uar[%d]\n", err); 750 return err; 751 } 752 753 result->uarn = resp.uar; 754 755 return 0; 756 } 757 758 int efa_com_dealloc_uar(struct efa_com_dev *edev, 759 struct efa_com_dealloc_uar_params *params) 760 { 761 struct efa_com_admin_queue *aq = &edev->aq; 762 struct efa_admin_dealloc_uar_cmd cmd = {}; 763 struct efa_admin_dealloc_uar_resp resp; 764 int err; 765 766 cmd.aq_common_descriptor.opcode = EFA_ADMIN_DEALLOC_UAR; 767 cmd.uar = params->uarn; 768 769 err = efa_com_cmd_exec(aq, 770 (struct efa_admin_aq_entry *)&cmd, 771 sizeof(cmd), 772 (struct efa_admin_acq_entry *)&resp, 773 sizeof(resp)); 774 if (err) { 775 ibdev_err_ratelimited(edev->efa_dev, 776 "Failed to deallocate uar-%u [%d]\n", 777 cmd.uar, err); 778 return err; 779 } 780 781 return 0; 782 } 783 784 int efa_com_get_stats(struct efa_com_dev *edev, 785 struct efa_com_get_stats_params *params, 786 union efa_com_get_stats_result *result) 787 { 788 struct efa_com_admin_queue *aq = &edev->aq; 789 struct efa_admin_aq_get_stats_cmd cmd = {}; 790 struct efa_admin_acq_get_stats_resp resp; 791 struct efa_admin_rdma_write_stats *rws; 792 struct efa_admin_rdma_read_stats *rrs; 793 struct efa_admin_messages_stats *ms; 794 struct efa_admin_network_stats *ns; 795 struct efa_admin_basic_stats *bs; 796 int err; 797 798 cmd.aq_common_descriptor.opcode = EFA_ADMIN_GET_STATS; 799 cmd.type = params->type; 800 cmd.scope = params->scope; 801 cmd.scope_modifier = params->scope_modifier; 802 803 err = efa_com_cmd_exec(aq, 804 (struct efa_admin_aq_entry *)&cmd, 805 sizeof(cmd), 806 (struct efa_admin_acq_entry *)&resp, 807 sizeof(resp)); 808 if (err) { 809 ibdev_err_ratelimited( 810 edev->efa_dev, 811 "Failed to get stats type-%u scope-%u.%u [%d]\n", 812 cmd.type, cmd.scope, cmd.scope_modifier, err); 813 return err; 814 } 815 816 switch (cmd.type) { 817 case EFA_ADMIN_GET_STATS_TYPE_BASIC: 818 bs = &resp.u.basic_stats; 819 result->basic_stats.tx_bytes = bs->tx_bytes; 820 result->basic_stats.tx_pkts = bs->tx_pkts; 821 result->basic_stats.rx_bytes = bs->rx_bytes; 822 result->basic_stats.rx_pkts = bs->rx_pkts; 823 result->basic_stats.rx_drops = bs->rx_drops; 824 break; 825 case EFA_ADMIN_GET_STATS_TYPE_MESSAGES: 826 ms = &resp.u.messages_stats; 827 result->messages_stats.send_bytes = ms->send_bytes; 828 result->messages_stats.send_wrs = ms->send_wrs; 829 result->messages_stats.recv_bytes = ms->recv_bytes; 830 result->messages_stats.recv_wrs = ms->recv_wrs; 831 break; 832 case EFA_ADMIN_GET_STATS_TYPE_RDMA_READ: 833 rrs = &resp.u.rdma_read_stats; 834 result->rdma_read_stats.read_wrs = rrs->read_wrs; 835 result->rdma_read_stats.read_bytes = rrs->read_bytes; 836 result->rdma_read_stats.read_wr_err = rrs->read_wr_err; 837 result->rdma_read_stats.read_resp_bytes = rrs->read_resp_bytes; 838 break; 839 case EFA_ADMIN_GET_STATS_TYPE_RDMA_WRITE: 840 rws = &resp.u.rdma_write_stats; 841 result->rdma_write_stats.write_wrs = rws->write_wrs; 842 result->rdma_write_stats.write_bytes = rws->write_bytes; 843 result->rdma_write_stats.write_wr_err = rws->write_wr_err; 844 result->rdma_write_stats.write_recv_bytes = rws->write_recv_bytes; 845 break; 846 case EFA_ADMIN_GET_STATS_TYPE_NETWORK: 847 ns = &resp.u.network_stats; 848 result->network_stats.retrans_bytes = ns->retrans_bytes; 849 result->network_stats.retrans_pkts = ns->retrans_pkts; 850 result->network_stats.retrans_timeout_events = ns->retrans_timeout_events; 851 result->network_stats.unresponsive_remote_events = ns->unresponsive_remote_events; 852 result->network_stats.impaired_remote_conn_events = ns->impaired_remote_conn_events; 853 break; 854 } 855 856 return 0; 857 } 858