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1// SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause2/*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 9int 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 60int 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 94int 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 127int 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 153int 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 202int 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 229int 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 289int 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 315int 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 346int 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 373bool374efa_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 387static 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 437static 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 444int 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 538int 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 559int 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 607static 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 616int 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 659int 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 685int 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 711int 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 737int 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 763int 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