| 1 | // SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause |
| 2 | /* |
| 3 | * Copyright 2018-2025 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 | create_qp_cmd.sl = params->sl; |
| 35 | |
| 36 | if (params->unsolicited_write_recv) |
| 37 | EFA_SET(&create_qp_cmd.flags, EFA_ADMIN_CREATE_QP_CMD_UNSOLICITED_WRITE_RECV, 1); |
| 38 | |
| 39 | err = efa_com_cmd_exec(aq, |
| 40 | cmd: (struct efa_admin_aq_entry *)&create_qp_cmd, |
| 41 | cmd_size: sizeof(create_qp_cmd), |
| 42 | comp: (struct efa_admin_acq_entry *)&cmd_completion, |
| 43 | comp_size: sizeof(cmd_completion)); |
| 44 | if (err) { |
| 45 | ibdev_err_ratelimited(edev->efa_dev, |
| 46 | "Failed to create qp [%d]\n" , err); |
| 47 | return err; |
| 48 | } |
| 49 | |
| 50 | res->qp_handle = cmd_completion.qp_handle; |
| 51 | res->qp_num = cmd_completion.qp_num; |
| 52 | res->sq_db_offset = cmd_completion.sq_db_offset; |
| 53 | res->rq_db_offset = cmd_completion.rq_db_offset; |
| 54 | res->llq_descriptors_offset = cmd_completion.llq_descriptors_offset; |
| 55 | res->send_sub_cq_idx = cmd_completion.send_sub_cq_idx; |
| 56 | res->recv_sub_cq_idx = cmd_completion.recv_sub_cq_idx; |
| 57 | |
| 58 | return 0; |
| 59 | } |
| 60 | |
| 61 | int efa_com_modify_qp(struct efa_com_dev *edev, |
| 62 | struct efa_com_modify_qp_params *params) |
| 63 | { |
| 64 | struct efa_com_admin_queue *aq = &edev->aq; |
| 65 | struct efa_admin_modify_qp_cmd cmd = {}; |
| 66 | struct efa_admin_modify_qp_resp resp; |
| 67 | int err; |
| 68 | |
| 69 | cmd.aq_common_desc.opcode = EFA_ADMIN_MODIFY_QP; |
| 70 | cmd.modify_mask = params->modify_mask; |
| 71 | cmd.qp_handle = params->qp_handle; |
| 72 | cmd.qp_state = params->qp_state; |
| 73 | cmd.cur_qp_state = params->cur_qp_state; |
| 74 | cmd.qkey = params->qkey; |
| 75 | cmd.sq_psn = params->sq_psn; |
| 76 | cmd.sq_drained_async_notify = params->sq_drained_async_notify; |
| 77 | cmd.rnr_retry = params->rnr_retry; |
| 78 | |
| 79 | err = efa_com_cmd_exec(aq, |
| 80 | cmd: (struct efa_admin_aq_entry *)&cmd, |
| 81 | cmd_size: sizeof(cmd), |
| 82 | comp: (struct efa_admin_acq_entry *)&resp, |
| 83 | comp_size: sizeof(resp)); |
| 84 | if (err) { |
| 85 | ibdev_err_ratelimited( |
| 86 | edev->efa_dev, |
| 87 | "Failed to modify qp-%u modify_mask[%#x] [%d]\n" , |
| 88 | cmd.qp_handle, cmd.modify_mask, err); |
| 89 | return err; |
| 90 | } |
| 91 | |
| 92 | return 0; |
| 93 | } |
| 94 | |
| 95 | int efa_com_query_qp(struct efa_com_dev *edev, |
| 96 | struct efa_com_query_qp_params *params, |
| 97 | struct efa_com_query_qp_result *result) |
| 98 | { |
| 99 | struct efa_com_admin_queue *aq = &edev->aq; |
| 100 | struct efa_admin_query_qp_cmd cmd = {}; |
| 101 | struct efa_admin_query_qp_resp resp; |
| 102 | int err; |
| 103 | |
| 104 | cmd.aq_common_desc.opcode = EFA_ADMIN_QUERY_QP; |
| 105 | cmd.qp_handle = params->qp_handle; |
| 106 | |
| 107 | err = efa_com_cmd_exec(aq, |
| 108 | cmd: (struct efa_admin_aq_entry *)&cmd, |
| 109 | cmd_size: sizeof(cmd), |
| 110 | comp: (struct efa_admin_acq_entry *)&resp, |
| 111 | comp_size: sizeof(resp)); |
| 112 | if (err) { |
| 113 | ibdev_err_ratelimited(edev->efa_dev, |
| 114 | "Failed to query qp-%u [%d]\n" , |
| 115 | cmd.qp_handle, err); |
| 116 | return err; |
| 117 | } |
| 118 | |
| 119 | result->qp_state = resp.qp_state; |
| 120 | result->qkey = resp.qkey; |
| 121 | result->sq_draining = resp.sq_draining; |
| 122 | result->sq_psn = resp.sq_psn; |
| 123 | result->rnr_retry = resp.rnr_retry; |
| 124 | |
| 125 | return 0; |
| 126 | } |
| 127 | |
| 128 | int efa_com_destroy_qp(struct efa_com_dev *edev, |
| 129 | struct efa_com_destroy_qp_params *params) |
| 130 | { |
| 131 | struct efa_admin_destroy_qp_resp cmd_completion; |
| 132 | struct efa_admin_destroy_qp_cmd qp_cmd = {}; |
| 133 | struct efa_com_admin_queue *aq = &edev->aq; |
| 134 | int err; |
| 135 | |
| 136 | qp_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_QP; |
| 137 | qp_cmd.qp_handle = params->qp_handle; |
| 138 | |
| 139 | err = efa_com_cmd_exec(aq, |
| 140 | cmd: (struct efa_admin_aq_entry *)&qp_cmd, |
| 141 | cmd_size: sizeof(qp_cmd), |
| 142 | comp: (struct efa_admin_acq_entry *)&cmd_completion, |
| 143 | comp_size: sizeof(cmd_completion)); |
| 144 | if (err) { |
| 145 | ibdev_err_ratelimited(edev->efa_dev, |
| 146 | "Failed to destroy qp-%u [%d]\n" , |
| 147 | qp_cmd.qp_handle, err); |
| 148 | return err; |
| 149 | } |
| 150 | |
| 151 | return 0; |
| 152 | } |
| 153 | |
| 154 | int efa_com_create_cq(struct efa_com_dev *edev, |
| 155 | struct efa_com_create_cq_params *params, |
| 156 | struct efa_com_create_cq_result *result) |
| 157 | { |
| 158 | struct efa_admin_create_cq_resp cmd_completion = {}; |
| 159 | struct efa_admin_create_cq_cmd create_cmd = {}; |
| 160 | struct efa_com_admin_queue *aq = &edev->aq; |
| 161 | int err; |
| 162 | |
| 163 | create_cmd.aq_common_desc.opcode = EFA_ADMIN_CREATE_CQ; |
| 164 | EFA_SET(&create_cmd.cq_caps_2, |
| 165 | EFA_ADMIN_CREATE_CQ_CMD_CQ_ENTRY_SIZE_WORDS, |
| 166 | params->entry_size_in_bytes / 4); |
| 167 | create_cmd.sub_cq_depth = params->sub_cq_depth; |
| 168 | create_cmd.num_sub_cqs = params->num_sub_cqs; |
| 169 | create_cmd.uar = params->uarn; |
| 170 | if (params->interrupt_mode_enabled) { |
| 171 | EFA_SET(&create_cmd.cq_caps_1, |
| 172 | EFA_ADMIN_CREATE_CQ_CMD_INTERRUPT_MODE_ENABLED, 1); |
| 173 | create_cmd.eqn = params->eqn; |
| 174 | } |
| 175 | if (params->set_src_addr) { |
| 176 | EFA_SET(&create_cmd.cq_caps_2, |
| 177 | EFA_ADMIN_CREATE_CQ_CMD_SET_SRC_ADDR, 1); |
| 178 | } |
| 179 | efa_com_set_dma_addr(addr: params->dma_addr, |
| 180 | addr_high: &create_cmd.cq_ba.mem_addr_high, |
| 181 | addr_low: &create_cmd.cq_ba.mem_addr_low); |
| 182 | |
| 183 | err = efa_com_cmd_exec(aq, |
| 184 | cmd: (struct efa_admin_aq_entry *)&create_cmd, |
| 185 | cmd_size: sizeof(create_cmd), |
| 186 | comp: (struct efa_admin_acq_entry *)&cmd_completion, |
| 187 | comp_size: sizeof(cmd_completion)); |
| 188 | if (err) { |
| 189 | ibdev_err_ratelimited(edev->efa_dev, |
| 190 | "Failed to create cq[%d]\n" , err); |
| 191 | return err; |
| 192 | } |
| 193 | |
| 194 | result->cq_idx = cmd_completion.cq_idx; |
| 195 | result->actual_depth = params->sub_cq_depth; |
| 196 | result->db_off = cmd_completion.db_offset; |
| 197 | result->db_valid = EFA_GET(&cmd_completion.flags, |
| 198 | EFA_ADMIN_CREATE_CQ_RESP_DB_VALID); |
| 199 | |
| 200 | return 0; |
| 201 | } |
| 202 | |
| 203 | int efa_com_destroy_cq(struct efa_com_dev *edev, |
| 204 | struct efa_com_destroy_cq_params *params) |
| 205 | { |
| 206 | struct efa_admin_destroy_cq_cmd destroy_cmd = {}; |
| 207 | struct efa_admin_destroy_cq_resp destroy_resp; |
| 208 | struct efa_com_admin_queue *aq = &edev->aq; |
| 209 | int err; |
| 210 | |
| 211 | destroy_cmd.cq_idx = params->cq_idx; |
| 212 | destroy_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_CQ; |
| 213 | |
| 214 | err = efa_com_cmd_exec(aq, |
| 215 | cmd: (struct efa_admin_aq_entry *)&destroy_cmd, |
| 216 | cmd_size: sizeof(destroy_cmd), |
| 217 | comp: (struct efa_admin_acq_entry *)&destroy_resp, |
| 218 | comp_size: sizeof(destroy_resp)); |
| 219 | |
| 220 | if (err) { |
| 221 | ibdev_err_ratelimited(edev->efa_dev, |
| 222 | "Failed to destroy CQ-%u [%d]\n" , |
| 223 | params->cq_idx, err); |
| 224 | return err; |
| 225 | } |
| 226 | |
| 227 | return 0; |
| 228 | } |
| 229 | |
| 230 | int efa_com_register_mr(struct efa_com_dev *edev, |
| 231 | struct efa_com_reg_mr_params *params, |
| 232 | struct efa_com_reg_mr_result *result) |
| 233 | { |
| 234 | struct efa_admin_reg_mr_resp cmd_completion; |
| 235 | struct efa_com_admin_queue *aq = &edev->aq; |
| 236 | struct efa_admin_reg_mr_cmd mr_cmd = {}; |
| 237 | int err; |
| 238 | |
| 239 | mr_cmd.aq_common_desc.opcode = EFA_ADMIN_REG_MR; |
| 240 | mr_cmd.pd = params->pd; |
| 241 | mr_cmd.mr_length = params->mr_length_in_bytes; |
| 242 | EFA_SET(&mr_cmd.flags, EFA_ADMIN_REG_MR_CMD_PHYS_PAGE_SIZE_SHIFT, |
| 243 | params->page_shift); |
| 244 | mr_cmd.iova = params->iova; |
| 245 | mr_cmd.permissions = params->permissions; |
| 246 | |
| 247 | if (params->inline_pbl) { |
| 248 | memcpy(mr_cmd.pbl.inline_pbl_array, |
| 249 | params->pbl.inline_pbl_array, |
| 250 | sizeof(mr_cmd.pbl.inline_pbl_array)); |
| 251 | } else { |
| 252 | mr_cmd.pbl.pbl.length = params->pbl.pbl.length; |
| 253 | mr_cmd.pbl.pbl.address.mem_addr_low = |
| 254 | params->pbl.pbl.address.mem_addr_low; |
| 255 | mr_cmd.pbl.pbl.address.mem_addr_high = |
| 256 | params->pbl.pbl.address.mem_addr_high; |
| 257 | EFA_SET(&mr_cmd.aq_common_desc.flags, |
| 258 | EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA, 1); |
| 259 | if (params->indirect) |
| 260 | EFA_SET(&mr_cmd.aq_common_desc.flags, |
| 261 | EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT, 1); |
| 262 | } |
| 263 | |
| 264 | err = efa_com_cmd_exec(aq, |
| 265 | cmd: (struct efa_admin_aq_entry *)&mr_cmd, |
| 266 | cmd_size: sizeof(mr_cmd), |
| 267 | comp: (struct efa_admin_acq_entry *)&cmd_completion, |
| 268 | comp_size: sizeof(cmd_completion)); |
| 269 | if (err) { |
| 270 | ibdev_err_ratelimited(edev->efa_dev, |
| 271 | "Failed to register mr [%d]\n" , err); |
| 272 | return err; |
| 273 | } |
| 274 | |
| 275 | result->l_key = cmd_completion.l_key; |
| 276 | result->r_key = cmd_completion.r_key; |
| 277 | result->ic_info.recv_ic_id = cmd_completion.recv_ic_id; |
| 278 | result->ic_info.rdma_read_ic_id = cmd_completion.rdma_read_ic_id; |
| 279 | result->ic_info.rdma_recv_ic_id = cmd_completion.rdma_recv_ic_id; |
| 280 | result->ic_info.recv_ic_id_valid = EFA_GET(&cmd_completion.validity, |
| 281 | EFA_ADMIN_REG_MR_RESP_RECV_IC_ID); |
| 282 | result->ic_info.rdma_read_ic_id_valid = EFA_GET(&cmd_completion.validity, |
| 283 | EFA_ADMIN_REG_MR_RESP_RDMA_READ_IC_ID); |
| 284 | result->ic_info.rdma_recv_ic_id_valid = EFA_GET(&cmd_completion.validity, |
| 285 | EFA_ADMIN_REG_MR_RESP_RDMA_RECV_IC_ID); |
| 286 | |
| 287 | return 0; |
| 288 | } |
| 289 | |
| 290 | int efa_com_dereg_mr(struct efa_com_dev *edev, |
| 291 | struct efa_com_dereg_mr_params *params) |
| 292 | { |
| 293 | struct efa_admin_dereg_mr_resp cmd_completion; |
| 294 | struct efa_com_admin_queue *aq = &edev->aq; |
| 295 | struct efa_admin_dereg_mr_cmd mr_cmd = {}; |
| 296 | int err; |
| 297 | |
| 298 | mr_cmd.aq_common_desc.opcode = EFA_ADMIN_DEREG_MR; |
| 299 | mr_cmd.l_key = params->l_key; |
| 300 | |
| 301 | err = efa_com_cmd_exec(aq, |
| 302 | cmd: (struct efa_admin_aq_entry *)&mr_cmd, |
| 303 | cmd_size: sizeof(mr_cmd), |
| 304 | comp: (struct efa_admin_acq_entry *)&cmd_completion, |
| 305 | comp_size: sizeof(cmd_completion)); |
| 306 | if (err) { |
| 307 | ibdev_err_ratelimited(edev->efa_dev, |
| 308 | "Failed to de-register mr(lkey-%u) [%d]\n" , |
| 309 | mr_cmd.l_key, err); |
| 310 | return err; |
| 311 | } |
| 312 | |
| 313 | return 0; |
| 314 | } |
| 315 | |
| 316 | int efa_com_create_ah(struct efa_com_dev *edev, |
| 317 | struct efa_com_create_ah_params *params, |
| 318 | struct efa_com_create_ah_result *result) |
| 319 | { |
| 320 | struct efa_admin_create_ah_resp cmd_completion; |
| 321 | struct efa_com_admin_queue *aq = &edev->aq; |
| 322 | struct efa_admin_create_ah_cmd ah_cmd = {}; |
| 323 | int err; |
| 324 | |
| 325 | ah_cmd.aq_common_desc.opcode = EFA_ADMIN_CREATE_AH; |
| 326 | |
| 327 | memcpy(ah_cmd.dest_addr, params->dest_addr, sizeof(ah_cmd.dest_addr)); |
| 328 | ah_cmd.pd = params->pdn; |
| 329 | |
| 330 | err = efa_com_cmd_exec(aq, |
| 331 | cmd: (struct efa_admin_aq_entry *)&ah_cmd, |
| 332 | cmd_size: sizeof(ah_cmd), |
| 333 | comp: (struct efa_admin_acq_entry *)&cmd_completion, |
| 334 | comp_size: sizeof(cmd_completion)); |
| 335 | if (err) { |
| 336 | ibdev_err_ratelimited(edev->efa_dev, |
| 337 | "Failed to create ah for %pI6 [%d]\n" , |
| 338 | ah_cmd.dest_addr, err); |
| 339 | return err; |
| 340 | } |
| 341 | |
| 342 | result->ah = cmd_completion.ah; |
| 343 | |
| 344 | return 0; |
| 345 | } |
| 346 | |
| 347 | int efa_com_destroy_ah(struct efa_com_dev *edev, |
| 348 | struct efa_com_destroy_ah_params *params) |
| 349 | { |
| 350 | struct efa_admin_destroy_ah_resp cmd_completion; |
| 351 | struct efa_admin_destroy_ah_cmd ah_cmd = {}; |
| 352 | struct efa_com_admin_queue *aq = &edev->aq; |
| 353 | int err; |
| 354 | |
| 355 | ah_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_AH; |
| 356 | ah_cmd.ah = params->ah; |
| 357 | ah_cmd.pd = params->pdn; |
| 358 | |
| 359 | err = efa_com_cmd_exec(aq, |
| 360 | cmd: (struct efa_admin_aq_entry *)&ah_cmd, |
| 361 | cmd_size: sizeof(ah_cmd), |
| 362 | comp: (struct efa_admin_acq_entry *)&cmd_completion, |
| 363 | comp_size: sizeof(cmd_completion)); |
| 364 | if (err) { |
| 365 | ibdev_err_ratelimited(edev->efa_dev, |
| 366 | "Failed to destroy ah-%d pd-%d [%d]\n" , |
| 367 | ah_cmd.ah, ah_cmd.pd, err); |
| 368 | return err; |
| 369 | } |
| 370 | |
| 371 | return 0; |
| 372 | } |
| 373 | |
| 374 | bool |
| 375 | efa_com_check_supported_feature_id(struct efa_com_dev *edev, |
| 376 | enum efa_admin_aq_feature_id feature_id) |
| 377 | { |
| 378 | u32 feature_mask = 1 << feature_id; |
| 379 | |
| 380 | /* Device attributes is always supported */ |
| 381 | if (feature_id != EFA_ADMIN_DEVICE_ATTR && |
| 382 | !(edev->supported_features & feature_mask)) |
| 383 | return false; |
| 384 | |
| 385 | return true; |
| 386 | } |
| 387 | |
| 388 | static int efa_com_get_feature_ex(struct efa_com_dev *edev, |
| 389 | struct efa_admin_get_feature_resp *get_resp, |
| 390 | enum efa_admin_aq_feature_id feature_id, |
| 391 | dma_addr_t control_buf_dma_addr, |
| 392 | u32 control_buff_size) |
| 393 | { |
| 394 | struct efa_admin_get_feature_cmd get_cmd = {}; |
| 395 | struct efa_com_admin_queue *aq; |
| 396 | int err; |
| 397 | |
| 398 | if (!efa_com_check_supported_feature_id(edev, feature_id)) { |
| 399 | ibdev_err_ratelimited(edev->efa_dev, |
| 400 | "Feature %d isn't supported\n" , |
| 401 | feature_id); |
| 402 | return -EOPNOTSUPP; |
| 403 | } |
| 404 | |
| 405 | aq = &edev->aq; |
| 406 | |
| 407 | get_cmd.aq_common_descriptor.opcode = EFA_ADMIN_GET_FEATURE; |
| 408 | |
| 409 | if (control_buff_size) |
| 410 | EFA_SET(&get_cmd.aq_common_descriptor.flags, |
| 411 | EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA, 1); |
| 412 | |
| 413 | efa_com_set_dma_addr(addr: control_buf_dma_addr, |
| 414 | addr_high: &get_cmd.control_buffer.address.mem_addr_high, |
| 415 | addr_low: &get_cmd.control_buffer.address.mem_addr_low); |
| 416 | |
| 417 | get_cmd.control_buffer.length = control_buff_size; |
| 418 | get_cmd.feature_common.feature_id = feature_id; |
| 419 | err = efa_com_cmd_exec(aq, |
| 420 | cmd: (struct efa_admin_aq_entry *) |
| 421 | &get_cmd, |
| 422 | cmd_size: sizeof(get_cmd), |
| 423 | comp: (struct efa_admin_acq_entry *) |
| 424 | get_resp, |
| 425 | comp_size: sizeof(*get_resp)); |
| 426 | |
| 427 | if (err) { |
| 428 | ibdev_err_ratelimited( |
| 429 | edev->efa_dev, |
| 430 | "Failed to submit get_feature command %d [%d]\n" , |
| 431 | feature_id, err); |
| 432 | return err; |
| 433 | } |
| 434 | |
| 435 | return 0; |
| 436 | } |
| 437 | |
| 438 | static int efa_com_get_feature(struct efa_com_dev *edev, |
| 439 | struct efa_admin_get_feature_resp *get_resp, |
| 440 | enum efa_admin_aq_feature_id feature_id) |
| 441 | { |
| 442 | return efa_com_get_feature_ex(edev, get_resp, feature_id, control_buf_dma_addr: 0, control_buff_size: 0); |
| 443 | } |
| 444 | |
| 445 | int efa_com_get_device_attr(struct efa_com_dev *edev, |
| 446 | struct efa_com_get_device_attr_result *result) |
| 447 | { |
| 448 | struct efa_admin_get_feature_resp resp; |
| 449 | int err; |
| 450 | |
| 451 | err = efa_com_get_feature(edev, get_resp: &resp, feature_id: EFA_ADMIN_DEVICE_ATTR); |
| 452 | if (err) { |
| 453 | ibdev_err_ratelimited(edev->efa_dev, |
| 454 | "Failed to get device attributes %d\n" , |
| 455 | err); |
| 456 | return err; |
| 457 | } |
| 458 | |
| 459 | result->page_size_cap = resp.u.device_attr.page_size_cap; |
| 460 | result->fw_version = resp.u.device_attr.fw_version; |
| 461 | result->admin_api_version = resp.u.device_attr.admin_api_version; |
| 462 | result->device_version = resp.u.device_attr.device_version; |
| 463 | result->supported_features = resp.u.device_attr.supported_features; |
| 464 | result->phys_addr_width = resp.u.device_attr.phys_addr_width; |
| 465 | result->virt_addr_width = resp.u.device_attr.virt_addr_width; |
| 466 | result->db_bar = resp.u.device_attr.db_bar; |
| 467 | result->max_rdma_size = resp.u.device_attr.max_rdma_size; |
| 468 | result->device_caps = resp.u.device_attr.device_caps; |
| 469 | result->guid = resp.u.device_attr.guid; |
| 470 | result->max_link_speed_gbps = resp.u.device_attr.max_link_speed_gbps; |
| 471 | |
| 472 | if (result->admin_api_version < 1) { |
| 473 | ibdev_err_ratelimited( |
| 474 | edev->efa_dev, |
| 475 | "Failed to get device attr api version [%u < 1]\n" , |
| 476 | result->admin_api_version); |
| 477 | return -EINVAL; |
| 478 | } |
| 479 | |
| 480 | edev->supported_features = resp.u.device_attr.supported_features; |
| 481 | err = efa_com_get_feature(edev, get_resp: &resp, |
| 482 | feature_id: EFA_ADMIN_QUEUE_ATTR); |
| 483 | if (err) { |
| 484 | ibdev_err_ratelimited(edev->efa_dev, |
| 485 | "Failed to get queue attributes %d\n" , |
| 486 | err); |
| 487 | return err; |
| 488 | } |
| 489 | |
| 490 | result->max_qp = resp.u.queue_attr.max_qp; |
| 491 | result->max_sq_depth = resp.u.queue_attr.max_sq_depth; |
| 492 | result->max_rq_depth = resp.u.queue_attr.max_rq_depth; |
| 493 | result->max_cq = resp.u.queue_attr.max_cq; |
| 494 | result->max_cq_depth = resp.u.queue_attr.max_cq_depth; |
| 495 | result->inline_buf_size = resp.u.queue_attr.inline_buf_size; |
| 496 | result->max_sq_sge = resp.u.queue_attr.max_wr_send_sges; |
| 497 | result->max_rq_sge = resp.u.queue_attr.max_wr_recv_sges; |
| 498 | result->max_mr = resp.u.queue_attr.max_mr; |
| 499 | result->max_mr_pages = resp.u.queue_attr.max_mr_pages; |
| 500 | result->max_pd = resp.u.queue_attr.max_pd; |
| 501 | result->max_ah = resp.u.queue_attr.max_ah; |
| 502 | result->max_llq_size = resp.u.queue_attr.max_llq_size; |
| 503 | result->sub_cqs_per_cq = resp.u.queue_attr.sub_cqs_per_cq; |
| 504 | result->max_wr_rdma_sge = resp.u.queue_attr.max_wr_rdma_sges; |
| 505 | result->max_tx_batch = resp.u.queue_attr.max_tx_batch; |
| 506 | result->min_sq_depth = resp.u.queue_attr.min_sq_depth; |
| 507 | |
| 508 | err = efa_com_get_feature(edev, get_resp: &resp, feature_id: EFA_ADMIN_NETWORK_ATTR); |
| 509 | if (err) { |
| 510 | ibdev_err_ratelimited(edev->efa_dev, |
| 511 | "Failed to get network attributes %d\n" , |
| 512 | err); |
| 513 | return err; |
| 514 | } |
| 515 | |
| 516 | memcpy(result->addr, resp.u.network_attr.addr, |
| 517 | sizeof(resp.u.network_attr.addr)); |
| 518 | result->mtu = resp.u.network_attr.mtu; |
| 519 | |
| 520 | if (efa_com_check_supported_feature_id(edev, |
| 521 | feature_id: EFA_ADMIN_EVENT_QUEUE_ATTR)) { |
| 522 | err = efa_com_get_feature(edev, get_resp: &resp, |
| 523 | feature_id: EFA_ADMIN_EVENT_QUEUE_ATTR); |
| 524 | if (err) { |
| 525 | ibdev_err_ratelimited( |
| 526 | edev->efa_dev, |
| 527 | "Failed to get event queue attributes %d\n" , |
| 528 | err); |
| 529 | return err; |
| 530 | } |
| 531 | |
| 532 | result->max_eq = resp.u.event_queue_attr.max_eq; |
| 533 | result->max_eq_depth = resp.u.event_queue_attr.max_eq_depth; |
| 534 | result->event_bitmask = resp.u.event_queue_attr.event_bitmask; |
| 535 | } |
| 536 | |
| 537 | return 0; |
| 538 | } |
| 539 | |
| 540 | int efa_com_get_hw_hints(struct efa_com_dev *edev, |
| 541 | struct efa_com_get_hw_hints_result *result) |
| 542 | { |
| 543 | struct efa_admin_get_feature_resp resp; |
| 544 | int err; |
| 545 | |
| 546 | err = efa_com_get_feature(edev, get_resp: &resp, feature_id: EFA_ADMIN_HW_HINTS); |
| 547 | if (err) { |
| 548 | ibdev_err_ratelimited(edev->efa_dev, |
| 549 | "Failed to get hw hints %d\n" , err); |
| 550 | return err; |
| 551 | } |
| 552 | |
| 553 | result->admin_completion_timeout = resp.u.hw_hints.admin_completion_timeout; |
| 554 | result->driver_watchdog_timeout = resp.u.hw_hints.driver_watchdog_timeout; |
| 555 | result->mmio_read_timeout = resp.u.hw_hints.mmio_read_timeout; |
| 556 | result->poll_interval = resp.u.hw_hints.poll_interval; |
| 557 | |
| 558 | return 0; |
| 559 | } |
| 560 | |
| 561 | int efa_com_set_feature_ex(struct efa_com_dev *edev, |
| 562 | struct efa_admin_set_feature_resp *set_resp, |
| 563 | struct efa_admin_set_feature_cmd *set_cmd, |
| 564 | enum efa_admin_aq_feature_id feature_id, |
| 565 | dma_addr_t control_buf_dma_addr, |
| 566 | u32 control_buff_size) |
| 567 | { |
| 568 | struct efa_com_admin_queue *aq; |
| 569 | int err; |
| 570 | |
| 571 | if (!efa_com_check_supported_feature_id(edev, feature_id)) { |
| 572 | ibdev_err_ratelimited(edev->efa_dev, |
| 573 | "Feature %d isn't supported\n" , |
| 574 | feature_id); |
| 575 | return -EOPNOTSUPP; |
| 576 | } |
| 577 | |
| 578 | aq = &edev->aq; |
| 579 | |
| 580 | set_cmd->aq_common_descriptor.opcode = EFA_ADMIN_SET_FEATURE; |
| 581 | if (control_buff_size) { |
| 582 | set_cmd->aq_common_descriptor.flags = 0; |
| 583 | EFA_SET(&set_cmd->aq_common_descriptor.flags, |
| 584 | EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA, 1); |
| 585 | efa_com_set_dma_addr(addr: control_buf_dma_addr, |
| 586 | addr_high: &set_cmd->control_buffer.address.mem_addr_high, |
| 587 | addr_low: &set_cmd->control_buffer.address.mem_addr_low); |
| 588 | } |
| 589 | |
| 590 | set_cmd->control_buffer.length = control_buff_size; |
| 591 | set_cmd->feature_common.feature_id = feature_id; |
| 592 | err = efa_com_cmd_exec(aq, |
| 593 | cmd: (struct efa_admin_aq_entry *)set_cmd, |
| 594 | cmd_size: sizeof(*set_cmd), |
| 595 | comp: (struct efa_admin_acq_entry *)set_resp, |
| 596 | comp_size: sizeof(*set_resp)); |
| 597 | |
| 598 | if (err) { |
| 599 | ibdev_err_ratelimited( |
| 600 | edev->efa_dev, |
| 601 | "Failed to submit set_feature command %d error: %d\n" , |
| 602 | feature_id, err); |
| 603 | return err; |
| 604 | } |
| 605 | |
| 606 | return 0; |
| 607 | } |
| 608 | |
| 609 | static int efa_com_set_feature(struct efa_com_dev *edev, |
| 610 | struct efa_admin_set_feature_resp *set_resp, |
| 611 | struct efa_admin_set_feature_cmd *set_cmd, |
| 612 | enum efa_admin_aq_feature_id feature_id) |
| 613 | { |
| 614 | return efa_com_set_feature_ex(edev, set_resp, set_cmd, feature_id, |
| 615 | control_buf_dma_addr: 0, control_buff_size: 0); |
| 616 | } |
| 617 | |
| 618 | int efa_com_set_aenq_config(struct efa_com_dev *edev, u32 groups) |
| 619 | { |
| 620 | struct efa_admin_get_feature_resp get_resp; |
| 621 | struct efa_admin_set_feature_resp set_resp; |
| 622 | struct efa_admin_set_feature_cmd cmd = {}; |
| 623 | int err; |
| 624 | |
| 625 | ibdev_dbg(edev->efa_dev, "Configuring aenq with groups[%#x]\n" , groups); |
| 626 | |
| 627 | err = efa_com_get_feature(edev, get_resp: &get_resp, feature_id: EFA_ADMIN_AENQ_CONFIG); |
| 628 | if (err) { |
| 629 | ibdev_err_ratelimited(edev->efa_dev, |
| 630 | "Failed to get aenq attributes: %d\n" , |
| 631 | err); |
| 632 | return err; |
| 633 | } |
| 634 | |
| 635 | ibdev_dbg(edev->efa_dev, |
| 636 | "Get aenq groups: supported[%#x] enabled[%#x]\n" , |
| 637 | get_resp.u.aenq.supported_groups, |
| 638 | get_resp.u.aenq.enabled_groups); |
| 639 | |
| 640 | if ((get_resp.u.aenq.supported_groups & groups) != groups) { |
| 641 | ibdev_err_ratelimited( |
| 642 | edev->efa_dev, |
| 643 | "Trying to set unsupported aenq groups[%#x] supported[%#x]\n" , |
| 644 | groups, get_resp.u.aenq.supported_groups); |
| 645 | return -EOPNOTSUPP; |
| 646 | } |
| 647 | |
| 648 | cmd.u.aenq.enabled_groups = groups; |
| 649 | err = efa_com_set_feature(edev, set_resp: &set_resp, set_cmd: &cmd, |
| 650 | feature_id: EFA_ADMIN_AENQ_CONFIG); |
| 651 | if (err) { |
| 652 | ibdev_err_ratelimited(edev->efa_dev, |
| 653 | "Failed to set aenq attributes: %d\n" , |
| 654 | err); |
| 655 | return err; |
| 656 | } |
| 657 | |
| 658 | return 0; |
| 659 | } |
| 660 | |
| 661 | int efa_com_alloc_pd(struct efa_com_dev *edev, |
| 662 | struct efa_com_alloc_pd_result *result) |
| 663 | { |
| 664 | struct efa_com_admin_queue *aq = &edev->aq; |
| 665 | struct efa_admin_alloc_pd_cmd cmd = {}; |
| 666 | struct efa_admin_alloc_pd_resp resp; |
| 667 | int err; |
| 668 | |
| 669 | cmd.aq_common_descriptor.opcode = EFA_ADMIN_ALLOC_PD; |
| 670 | |
| 671 | err = efa_com_cmd_exec(aq, |
| 672 | cmd: (struct efa_admin_aq_entry *)&cmd, |
| 673 | cmd_size: sizeof(cmd), |
| 674 | comp: (struct efa_admin_acq_entry *)&resp, |
| 675 | comp_size: sizeof(resp)); |
| 676 | if (err) { |
| 677 | ibdev_err_ratelimited(edev->efa_dev, |
| 678 | "Failed to allocate pd[%d]\n" , err); |
| 679 | return err; |
| 680 | } |
| 681 | |
| 682 | result->pdn = resp.pd; |
| 683 | |
| 684 | return 0; |
| 685 | } |
| 686 | |
| 687 | int efa_com_dealloc_pd(struct efa_com_dev *edev, |
| 688 | struct efa_com_dealloc_pd_params *params) |
| 689 | { |
| 690 | struct efa_com_admin_queue *aq = &edev->aq; |
| 691 | struct efa_admin_dealloc_pd_cmd cmd = {}; |
| 692 | struct efa_admin_dealloc_pd_resp resp; |
| 693 | int err; |
| 694 | |
| 695 | cmd.aq_common_descriptor.opcode = EFA_ADMIN_DEALLOC_PD; |
| 696 | cmd.pd = params->pdn; |
| 697 | |
| 698 | err = efa_com_cmd_exec(aq, |
| 699 | cmd: (struct efa_admin_aq_entry *)&cmd, |
| 700 | cmd_size: sizeof(cmd), |
| 701 | comp: (struct efa_admin_acq_entry *)&resp, |
| 702 | comp_size: sizeof(resp)); |
| 703 | if (err) { |
| 704 | ibdev_err_ratelimited(edev->efa_dev, |
| 705 | "Failed to deallocate pd-%u [%d]\n" , |
| 706 | cmd.pd, err); |
| 707 | return err; |
| 708 | } |
| 709 | |
| 710 | return 0; |
| 711 | } |
| 712 | |
| 713 | int efa_com_alloc_uar(struct efa_com_dev *edev, |
| 714 | struct efa_com_alloc_uar_result *result) |
| 715 | { |
| 716 | struct efa_com_admin_queue *aq = &edev->aq; |
| 717 | struct efa_admin_alloc_uar_cmd cmd = {}; |
| 718 | struct efa_admin_alloc_uar_resp resp; |
| 719 | int err; |
| 720 | |
| 721 | cmd.aq_common_descriptor.opcode = EFA_ADMIN_ALLOC_UAR; |
| 722 | |
| 723 | err = efa_com_cmd_exec(aq, |
| 724 | cmd: (struct efa_admin_aq_entry *)&cmd, |
| 725 | cmd_size: sizeof(cmd), |
| 726 | comp: (struct efa_admin_acq_entry *)&resp, |
| 727 | comp_size: sizeof(resp)); |
| 728 | if (err) { |
| 729 | ibdev_err_ratelimited(edev->efa_dev, |
| 730 | "Failed to allocate uar[%d]\n" , err); |
| 731 | return err; |
| 732 | } |
| 733 | |
| 734 | result->uarn = resp.uar; |
| 735 | |
| 736 | return 0; |
| 737 | } |
| 738 | |
| 739 | int efa_com_dealloc_uar(struct efa_com_dev *edev, |
| 740 | struct efa_com_dealloc_uar_params *params) |
| 741 | { |
| 742 | struct efa_com_admin_queue *aq = &edev->aq; |
| 743 | struct efa_admin_dealloc_uar_cmd cmd = {}; |
| 744 | struct efa_admin_dealloc_uar_resp resp; |
| 745 | int err; |
| 746 | |
| 747 | cmd.aq_common_descriptor.opcode = EFA_ADMIN_DEALLOC_UAR; |
| 748 | cmd.uar = params->uarn; |
| 749 | |
| 750 | err = efa_com_cmd_exec(aq, |
| 751 | cmd: (struct efa_admin_aq_entry *)&cmd, |
| 752 | cmd_size: sizeof(cmd), |
| 753 | comp: (struct efa_admin_acq_entry *)&resp, |
| 754 | comp_size: sizeof(resp)); |
| 755 | if (err) { |
| 756 | ibdev_err_ratelimited(edev->efa_dev, |
| 757 | "Failed to deallocate uar-%u [%d]\n" , |
| 758 | cmd.uar, err); |
| 759 | return err; |
| 760 | } |
| 761 | |
| 762 | return 0; |
| 763 | } |
| 764 | |
| 765 | int efa_com_get_stats(struct efa_com_dev *edev, |
| 766 | struct efa_com_get_stats_params *params, |
| 767 | union efa_com_get_stats_result *result) |
| 768 | { |
| 769 | struct efa_com_admin_queue *aq = &edev->aq; |
| 770 | struct efa_admin_aq_get_stats_cmd cmd = {}; |
| 771 | struct efa_admin_acq_get_stats_resp resp; |
| 772 | struct efa_admin_rdma_write_stats *rws; |
| 773 | struct efa_admin_rdma_read_stats *rrs; |
| 774 | struct efa_admin_messages_stats *ms; |
| 775 | struct efa_admin_network_stats *ns; |
| 776 | struct efa_admin_basic_stats *bs; |
| 777 | int err; |
| 778 | |
| 779 | cmd.aq_common_descriptor.opcode = EFA_ADMIN_GET_STATS; |
| 780 | cmd.type = params->type; |
| 781 | cmd.scope = params->scope; |
| 782 | cmd.scope_modifier = params->scope_modifier; |
| 783 | |
| 784 | err = efa_com_cmd_exec(aq, |
| 785 | cmd: (struct efa_admin_aq_entry *)&cmd, |
| 786 | cmd_size: sizeof(cmd), |
| 787 | comp: (struct efa_admin_acq_entry *)&resp, |
| 788 | comp_size: sizeof(resp)); |
| 789 | if (err) { |
| 790 | ibdev_err_ratelimited( |
| 791 | edev->efa_dev, |
| 792 | "Failed to get stats type-%u scope-%u.%u [%d]\n" , |
| 793 | cmd.type, cmd.scope, cmd.scope_modifier, err); |
| 794 | return err; |
| 795 | } |
| 796 | |
| 797 | switch (cmd.type) { |
| 798 | case EFA_ADMIN_GET_STATS_TYPE_BASIC: |
| 799 | bs = &resp.u.basic_stats; |
| 800 | result->basic_stats.tx_bytes = bs->tx_bytes; |
| 801 | result->basic_stats.tx_pkts = bs->tx_pkts; |
| 802 | result->basic_stats.rx_bytes = bs->rx_bytes; |
| 803 | result->basic_stats.rx_pkts = bs->rx_pkts; |
| 804 | result->basic_stats.rx_drops = bs->rx_drops; |
| 805 | break; |
| 806 | case EFA_ADMIN_GET_STATS_TYPE_MESSAGES: |
| 807 | ms = &resp.u.messages_stats; |
| 808 | result->messages_stats.send_bytes = ms->send_bytes; |
| 809 | result->messages_stats.send_wrs = ms->send_wrs; |
| 810 | result->messages_stats.recv_bytes = ms->recv_bytes; |
| 811 | result->messages_stats.recv_wrs = ms->recv_wrs; |
| 812 | break; |
| 813 | case EFA_ADMIN_GET_STATS_TYPE_RDMA_READ: |
| 814 | rrs = &resp.u.rdma_read_stats; |
| 815 | result->rdma_read_stats.read_wrs = rrs->read_wrs; |
| 816 | result->rdma_read_stats.read_bytes = rrs->read_bytes; |
| 817 | result->rdma_read_stats.read_wr_err = rrs->read_wr_err; |
| 818 | result->rdma_read_stats.read_resp_bytes = rrs->read_resp_bytes; |
| 819 | break; |
| 820 | case EFA_ADMIN_GET_STATS_TYPE_RDMA_WRITE: |
| 821 | rws = &resp.u.rdma_write_stats; |
| 822 | result->rdma_write_stats.write_wrs = rws->write_wrs; |
| 823 | result->rdma_write_stats.write_bytes = rws->write_bytes; |
| 824 | result->rdma_write_stats.write_wr_err = rws->write_wr_err; |
| 825 | result->rdma_write_stats.write_recv_bytes = rws->write_recv_bytes; |
| 826 | break; |
| 827 | case EFA_ADMIN_GET_STATS_TYPE_NETWORK: |
| 828 | ns = &resp.u.network_stats; |
| 829 | result->network_stats.retrans_bytes = ns->retrans_bytes; |
| 830 | result->network_stats.retrans_pkts = ns->retrans_pkts; |
| 831 | result->network_stats.retrans_timeout_events = ns->retrans_timeout_events; |
| 832 | result->network_stats.unresponsive_remote_events = ns->unresponsive_remote_events; |
| 833 | result->network_stats.impaired_remote_conn_events = ns->impaired_remote_conn_events; |
| 834 | break; |
| 835 | } |
| 836 | |
| 837 | return 0; |
| 838 | } |
| 839 | |