1 // SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
3 * Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All rights reserved.
8 #include "efa_com_cmd.h"
10 void efa_com_set_dma_addr(dma_addr_t addr, u32 *addr_high, u32 *addr_low)
12 *addr_low = lower_32_bits(addr);
13 *addr_high = upper_32_bits(addr);
16 int efa_com_create_qp(struct efa_com_dev *edev,
17 struct efa_com_create_qp_params *params,
18 struct efa_com_create_qp_result *res)
20 struct efa_admin_create_qp_cmd create_qp_cmd = {};
21 struct efa_admin_create_qp_resp cmd_completion;
22 struct efa_com_admin_queue *aq = &edev->aq;
25 create_qp_cmd.aq_common_desc.opcode = EFA_ADMIN_CREATE_QP;
27 create_qp_cmd.pd = params->pd;
28 create_qp_cmd.qp_type = params->qp_type;
29 create_qp_cmd.rq_base_addr = params->rq_base_addr;
30 create_qp_cmd.send_cq_idx = params->send_cq_idx;
31 create_qp_cmd.recv_cq_idx = params->recv_cq_idx;
32 create_qp_cmd.qp_alloc_size.send_queue_ring_size =
33 params->sq_ring_size_in_bytes;
34 create_qp_cmd.qp_alloc_size.send_queue_depth =
36 create_qp_cmd.qp_alloc_size.recv_queue_ring_size =
37 params->rq_ring_size_in_bytes;
38 create_qp_cmd.qp_alloc_size.recv_queue_depth =
40 create_qp_cmd.uar = params->uarn;
42 err = efa_com_cmd_exec(aq,
43 (struct efa_admin_aq_entry *)&create_qp_cmd,
44 sizeof(create_qp_cmd),
45 (struct efa_admin_acq_entry *)&cmd_completion,
46 sizeof(cmd_completion));
48 ibdev_err(edev->efa_dev, "Failed to create qp [%d]\n", err);
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;
63 int efa_com_modify_qp(struct efa_com_dev *edev,
64 struct efa_com_modify_qp_params *params)
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;
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;
80 err = efa_com_cmd_exec(aq,
81 (struct efa_admin_aq_entry *)&cmd,
83 (struct efa_admin_acq_entry *)&resp,
86 ibdev_err(edev->efa_dev,
87 "Failed to modify qp-%u modify_mask[%#x] [%d]\n",
88 cmd.qp_handle, cmd.modify_mask, err);
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)
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;
104 cmd.aq_common_desc.opcode = EFA_ADMIN_QUERY_QP;
105 cmd.qp_handle = params->qp_handle;
107 err = efa_com_cmd_exec(aq,
108 (struct efa_admin_aq_entry *)&cmd,
110 (struct efa_admin_acq_entry *)&resp,
113 ibdev_err(edev->efa_dev, "Failed to query qp-%u [%d]\n",
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;
126 int efa_com_destroy_qp(struct efa_com_dev *edev,
127 struct efa_com_destroy_qp_params *params)
129 struct efa_admin_destroy_qp_resp cmd_completion;
130 struct efa_admin_destroy_qp_cmd qp_cmd = {};
131 struct efa_com_admin_queue *aq = &edev->aq;
134 qp_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_QP;
135 qp_cmd.qp_handle = params->qp_handle;
137 err = efa_com_cmd_exec(aq,
138 (struct efa_admin_aq_entry *)&qp_cmd,
140 (struct efa_admin_acq_entry *)&cmd_completion,
141 sizeof(cmd_completion));
143 ibdev_err(edev->efa_dev, "Failed to destroy qp-%u [%d]\n",
144 qp_cmd.qp_handle, err);
149 int efa_com_create_cq(struct efa_com_dev *edev,
150 struct efa_com_create_cq_params *params,
151 struct efa_com_create_cq_result *result)
153 struct efa_admin_create_cq_resp cmd_completion;
154 struct efa_admin_create_cq_cmd create_cmd = {};
155 struct efa_com_admin_queue *aq = &edev->aq;
158 create_cmd.aq_common_desc.opcode = EFA_ADMIN_CREATE_CQ;
159 create_cmd.cq_caps_2 = (params->entry_size_in_bytes / 4) &
160 EFA_ADMIN_CREATE_CQ_CMD_CQ_ENTRY_SIZE_WORDS_MASK;
161 create_cmd.cq_depth = params->cq_depth;
162 create_cmd.num_sub_cqs = params->num_sub_cqs;
163 create_cmd.uar = params->uarn;
165 efa_com_set_dma_addr(params->dma_addr,
166 &create_cmd.cq_ba.mem_addr_high,
167 &create_cmd.cq_ba.mem_addr_low);
169 err = efa_com_cmd_exec(aq,
170 (struct efa_admin_aq_entry *)&create_cmd,
172 (struct efa_admin_acq_entry *)&cmd_completion,
173 sizeof(cmd_completion));
175 ibdev_err(edev->efa_dev, "Failed to create cq[%d]\n", err);
179 result->cq_idx = cmd_completion.cq_idx;
180 result->actual_depth = params->cq_depth;
185 int efa_com_destroy_cq(struct efa_com_dev *edev,
186 struct efa_com_destroy_cq_params *params)
188 struct efa_admin_destroy_cq_cmd destroy_cmd = {};
189 struct efa_admin_destroy_cq_resp destroy_resp;
190 struct efa_com_admin_queue *aq = &edev->aq;
193 destroy_cmd.cq_idx = params->cq_idx;
194 destroy_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_CQ;
196 err = efa_com_cmd_exec(aq,
197 (struct efa_admin_aq_entry *)&destroy_cmd,
199 (struct efa_admin_acq_entry *)&destroy_resp,
200 sizeof(destroy_resp));
203 ibdev_err(edev->efa_dev, "Failed to destroy CQ-%u [%d]\n",
204 params->cq_idx, err);
209 int efa_com_register_mr(struct efa_com_dev *edev,
210 struct efa_com_reg_mr_params *params,
211 struct efa_com_reg_mr_result *result)
213 struct efa_admin_reg_mr_resp cmd_completion;
214 struct efa_com_admin_queue *aq = &edev->aq;
215 struct efa_admin_reg_mr_cmd mr_cmd = {};
218 mr_cmd.aq_common_desc.opcode = EFA_ADMIN_REG_MR;
219 mr_cmd.pd = params->pd;
220 mr_cmd.mr_length = params->mr_length_in_bytes;
221 mr_cmd.flags |= params->page_shift &
222 EFA_ADMIN_REG_MR_CMD_PHYS_PAGE_SIZE_SHIFT_MASK;
223 mr_cmd.iova = params->iova;
224 mr_cmd.permissions |= params->permissions &
225 EFA_ADMIN_REG_MR_CMD_LOCAL_WRITE_ENABLE_MASK;
227 if (params->inline_pbl) {
228 memcpy(mr_cmd.pbl.inline_pbl_array,
229 params->pbl.inline_pbl_array,
230 sizeof(mr_cmd.pbl.inline_pbl_array));
232 mr_cmd.pbl.pbl.length = params->pbl.pbl.length;
233 mr_cmd.pbl.pbl.address.mem_addr_low =
234 params->pbl.pbl.address.mem_addr_low;
235 mr_cmd.pbl.pbl.address.mem_addr_high =
236 params->pbl.pbl.address.mem_addr_high;
237 mr_cmd.aq_common_desc.flags |=
238 EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_MASK;
239 if (params->indirect)
240 mr_cmd.aq_common_desc.flags |=
241 EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_MASK;
244 err = efa_com_cmd_exec(aq,
245 (struct efa_admin_aq_entry *)&mr_cmd,
247 (struct efa_admin_acq_entry *)&cmd_completion,
248 sizeof(cmd_completion));
250 ibdev_err(edev->efa_dev, "Failed to register mr [%d]\n", err);
254 result->l_key = cmd_completion.l_key;
255 result->r_key = cmd_completion.r_key;
260 int efa_com_dereg_mr(struct efa_com_dev *edev,
261 struct efa_com_dereg_mr_params *params)
263 struct efa_admin_dereg_mr_resp cmd_completion;
264 struct efa_com_admin_queue *aq = &edev->aq;
265 struct efa_admin_dereg_mr_cmd mr_cmd = {};
268 mr_cmd.aq_common_desc.opcode = EFA_ADMIN_DEREG_MR;
269 mr_cmd.l_key = params->l_key;
271 err = efa_com_cmd_exec(aq,
272 (struct efa_admin_aq_entry *)&mr_cmd,
274 (struct efa_admin_acq_entry *)&cmd_completion,
275 sizeof(cmd_completion));
277 ibdev_err(edev->efa_dev,
278 "Failed to de-register mr(lkey-%u) [%d]\n",
284 int efa_com_create_ah(struct efa_com_dev *edev,
285 struct efa_com_create_ah_params *params,
286 struct efa_com_create_ah_result *result)
288 struct efa_admin_create_ah_resp cmd_completion;
289 struct efa_com_admin_queue *aq = &edev->aq;
290 struct efa_admin_create_ah_cmd ah_cmd = {};
293 ah_cmd.aq_common_desc.opcode = EFA_ADMIN_CREATE_AH;
295 memcpy(ah_cmd.dest_addr, params->dest_addr, sizeof(ah_cmd.dest_addr));
296 ah_cmd.pd = params->pdn;
298 err = efa_com_cmd_exec(aq,
299 (struct efa_admin_aq_entry *)&ah_cmd,
301 (struct efa_admin_acq_entry *)&cmd_completion,
302 sizeof(cmd_completion));
304 ibdev_err(edev->efa_dev, "Failed to create ah [%d]\n", err);
308 result->ah = cmd_completion.ah;
313 int efa_com_destroy_ah(struct efa_com_dev *edev,
314 struct efa_com_destroy_ah_params *params)
316 struct efa_admin_destroy_ah_resp cmd_completion;
317 struct efa_admin_destroy_ah_cmd ah_cmd = {};
318 struct efa_com_admin_queue *aq = &edev->aq;
321 ah_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_AH;
322 ah_cmd.ah = params->ah;
323 ah_cmd.pd = params->pdn;
325 err = efa_com_cmd_exec(aq,
326 (struct efa_admin_aq_entry *)&ah_cmd,
328 (struct efa_admin_acq_entry *)&cmd_completion,
329 sizeof(cmd_completion));
331 ibdev_err(edev->efa_dev, "Failed to destroy ah-%d pd-%d [%d]\n",
332 ah_cmd.ah, ah_cmd.pd, err);
338 efa_com_check_supported_feature_id(struct efa_com_dev *edev,
339 enum efa_admin_aq_feature_id feature_id)
341 u32 feature_mask = 1 << feature_id;
343 /* Device attributes is always supported */
344 if (feature_id != EFA_ADMIN_DEVICE_ATTR &&
345 !(edev->supported_features & feature_mask))
351 static int efa_com_get_feature_ex(struct efa_com_dev *edev,
352 struct efa_admin_get_feature_resp *get_resp,
353 enum efa_admin_aq_feature_id feature_id,
354 dma_addr_t control_buf_dma_addr,
355 u32 control_buff_size)
357 struct efa_admin_get_feature_cmd get_cmd = {};
358 struct efa_com_admin_queue *aq;
361 if (!efa_com_check_supported_feature_id(edev, feature_id)) {
362 ibdev_err(edev->efa_dev, "Feature %d isn't supported\n",
369 get_cmd.aq_common_descriptor.opcode = EFA_ADMIN_GET_FEATURE;
371 if (control_buff_size)
372 get_cmd.aq_common_descriptor.flags =
373 EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_MASK;
376 efa_com_set_dma_addr(control_buf_dma_addr,
377 &get_cmd.control_buffer.address.mem_addr_high,
378 &get_cmd.control_buffer.address.mem_addr_low);
380 get_cmd.control_buffer.length = control_buff_size;
381 get_cmd.feature_common.feature_id = feature_id;
382 err = efa_com_cmd_exec(aq,
383 (struct efa_admin_aq_entry *)
386 (struct efa_admin_acq_entry *)
391 ibdev_err(edev->efa_dev,
392 "Failed to submit get_feature command %d [%d]\n",
398 static int efa_com_get_feature(struct efa_com_dev *edev,
399 struct efa_admin_get_feature_resp *get_resp,
400 enum efa_admin_aq_feature_id feature_id)
402 return efa_com_get_feature_ex(edev, get_resp, feature_id, 0, 0);
405 int efa_com_get_network_attr(struct efa_com_dev *edev,
406 struct efa_com_get_network_attr_result *result)
408 struct efa_admin_get_feature_resp resp;
411 err = efa_com_get_feature(edev, &resp,
412 EFA_ADMIN_NETWORK_ATTR);
414 ibdev_err(edev->efa_dev,
415 "Failed to get network attributes %d\n", err);
419 memcpy(result->addr, resp.u.network_attr.addr,
420 sizeof(resp.u.network_attr.addr));
421 result->mtu = resp.u.network_attr.mtu;
426 int efa_com_get_device_attr(struct efa_com_dev *edev,
427 struct efa_com_get_device_attr_result *result)
429 struct efa_admin_get_feature_resp resp;
432 err = efa_com_get_feature(edev, &resp, EFA_ADMIN_DEVICE_ATTR);
434 ibdev_err(edev->efa_dev, "Failed to get device attributes %d\n",
439 result->page_size_cap = resp.u.device_attr.page_size_cap;
440 result->fw_version = resp.u.device_attr.fw_version;
441 result->admin_api_version = resp.u.device_attr.admin_api_version;
442 result->device_version = resp.u.device_attr.device_version;
443 result->supported_features = resp.u.device_attr.supported_features;
444 result->phys_addr_width = resp.u.device_attr.phys_addr_width;
445 result->virt_addr_width = resp.u.device_attr.virt_addr_width;
446 result->db_bar = resp.u.device_attr.db_bar;
448 if (result->admin_api_version < 1) {
449 ibdev_err(edev->efa_dev,
450 "Failed to get device attr api version [%u < 1]\n",
451 result->admin_api_version);
455 edev->supported_features = resp.u.device_attr.supported_features;
456 err = efa_com_get_feature(edev, &resp,
457 EFA_ADMIN_QUEUE_ATTR);
459 ibdev_err(edev->efa_dev,
460 "Failed to get network attributes %d\n", err);
464 result->max_qp = resp.u.queue_attr.max_qp;
465 result->max_sq_depth = resp.u.queue_attr.max_sq_depth;
466 result->max_rq_depth = resp.u.queue_attr.max_rq_depth;
467 result->max_cq = resp.u.queue_attr.max_cq;
468 result->max_cq_depth = resp.u.queue_attr.max_cq_depth;
469 result->inline_buf_size = resp.u.queue_attr.inline_buf_size;
470 result->max_sq_sge = resp.u.queue_attr.max_wr_send_sges;
471 result->max_rq_sge = resp.u.queue_attr.max_wr_recv_sges;
472 result->max_mr = resp.u.queue_attr.max_mr;
473 result->max_mr_pages = resp.u.queue_attr.max_mr_pages;
474 result->max_pd = resp.u.queue_attr.max_pd;
475 result->max_ah = resp.u.queue_attr.max_ah;
476 result->max_llq_size = resp.u.queue_attr.max_llq_size;
477 result->sub_cqs_per_cq = resp.u.queue_attr.sub_cqs_per_cq;
482 int efa_com_get_hw_hints(struct efa_com_dev *edev,
483 struct efa_com_get_hw_hints_result *result)
485 struct efa_admin_get_feature_resp resp;
488 err = efa_com_get_feature(edev, &resp, EFA_ADMIN_HW_HINTS);
490 ibdev_err(edev->efa_dev, "Failed to get hw hints %d\n", err);
494 result->admin_completion_timeout = resp.u.hw_hints.admin_completion_timeout;
495 result->driver_watchdog_timeout = resp.u.hw_hints.driver_watchdog_timeout;
496 result->mmio_read_timeout = resp.u.hw_hints.mmio_read_timeout;
497 result->poll_interval = resp.u.hw_hints.poll_interval;
502 static int efa_com_set_feature_ex(struct efa_com_dev *edev,
503 struct efa_admin_set_feature_resp *set_resp,
504 struct efa_admin_set_feature_cmd *set_cmd,
505 enum efa_admin_aq_feature_id feature_id,
506 dma_addr_t control_buf_dma_addr,
507 u32 control_buff_size)
509 struct efa_com_admin_queue *aq;
512 if (!efa_com_check_supported_feature_id(edev, feature_id)) {
513 ibdev_err(edev->efa_dev, "Feature %d isn't supported\n",
520 set_cmd->aq_common_descriptor.opcode = EFA_ADMIN_SET_FEATURE;
521 if (control_buff_size) {
522 set_cmd->aq_common_descriptor.flags =
523 EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_MASK;
524 efa_com_set_dma_addr(control_buf_dma_addr,
525 &set_cmd->control_buffer.address.mem_addr_high,
526 &set_cmd->control_buffer.address.mem_addr_low);
529 set_cmd->control_buffer.length = control_buff_size;
530 set_cmd->feature_common.feature_id = feature_id;
531 err = efa_com_cmd_exec(aq,
532 (struct efa_admin_aq_entry *)set_cmd,
534 (struct efa_admin_acq_entry *)set_resp,
538 ibdev_err(edev->efa_dev,
539 "Failed to submit set_feature command %d error: %d\n",
545 static int efa_com_set_feature(struct efa_com_dev *edev,
546 struct efa_admin_set_feature_resp *set_resp,
547 struct efa_admin_set_feature_cmd *set_cmd,
548 enum efa_admin_aq_feature_id feature_id)
550 return efa_com_set_feature_ex(edev, set_resp, set_cmd, feature_id,
554 int efa_com_set_aenq_config(struct efa_com_dev *edev, u32 groups)
556 struct efa_admin_get_feature_resp get_resp;
557 struct efa_admin_set_feature_resp set_resp;
558 struct efa_admin_set_feature_cmd cmd = {};
561 ibdev_dbg(edev->efa_dev, "Configuring aenq with groups[%#x]\n", groups);
563 err = efa_com_get_feature(edev, &get_resp, EFA_ADMIN_AENQ_CONFIG);
565 ibdev_err(edev->efa_dev, "Failed to get aenq attributes: %d\n",
570 ibdev_dbg(edev->efa_dev,
571 "Get aenq groups: supported[%#x] enabled[%#x]\n",
572 get_resp.u.aenq.supported_groups,
573 get_resp.u.aenq.enabled_groups);
575 if ((get_resp.u.aenq.supported_groups & groups) != groups) {
576 ibdev_err(edev->efa_dev,
577 "Trying to set unsupported aenq groups[%#x] supported[%#x]\n",
578 groups, get_resp.u.aenq.supported_groups);
582 cmd.u.aenq.enabled_groups = groups;
583 err = efa_com_set_feature(edev, &set_resp, &cmd,
584 EFA_ADMIN_AENQ_CONFIG);
586 ibdev_err(edev->efa_dev, "Failed to set aenq attributes: %d\n",
594 int efa_com_alloc_pd(struct efa_com_dev *edev,
595 struct efa_com_alloc_pd_result *result)
597 struct efa_com_admin_queue *aq = &edev->aq;
598 struct efa_admin_alloc_pd_cmd cmd = {};
599 struct efa_admin_alloc_pd_resp resp;
602 cmd.aq_common_descriptor.opcode = EFA_ADMIN_ALLOC_PD;
604 err = efa_com_cmd_exec(aq,
605 (struct efa_admin_aq_entry *)&cmd,
607 (struct efa_admin_acq_entry *)&resp,
610 ibdev_err(edev->efa_dev, "Failed to allocate pd[%d]\n", err);
614 result->pdn = resp.pd;
619 int efa_com_dealloc_pd(struct efa_com_dev *edev,
620 struct efa_com_dealloc_pd_params *params)
622 struct efa_com_admin_queue *aq = &edev->aq;
623 struct efa_admin_dealloc_pd_cmd cmd = {};
624 struct efa_admin_dealloc_pd_resp resp;
627 cmd.aq_common_descriptor.opcode = EFA_ADMIN_DEALLOC_PD;
628 cmd.pd = params->pdn;
630 err = efa_com_cmd_exec(aq,
631 (struct efa_admin_aq_entry *)&cmd,
633 (struct efa_admin_acq_entry *)&resp,
636 ibdev_err(edev->efa_dev, "Failed to deallocate pd-%u [%d]\n",
644 int efa_com_alloc_uar(struct efa_com_dev *edev,
645 struct efa_com_alloc_uar_result *result)
647 struct efa_com_admin_queue *aq = &edev->aq;
648 struct efa_admin_alloc_uar_cmd cmd = {};
649 struct efa_admin_alloc_uar_resp resp;
652 cmd.aq_common_descriptor.opcode = EFA_ADMIN_ALLOC_UAR;
654 err = efa_com_cmd_exec(aq,
655 (struct efa_admin_aq_entry *)&cmd,
657 (struct efa_admin_acq_entry *)&resp,
660 ibdev_err(edev->efa_dev, "Failed to allocate uar[%d]\n", err);
664 result->uarn = resp.uar;
669 int efa_com_dealloc_uar(struct efa_com_dev *edev,
670 struct efa_com_dealloc_uar_params *params)
672 struct efa_com_admin_queue *aq = &edev->aq;
673 struct efa_admin_dealloc_uar_cmd cmd = {};
674 struct efa_admin_dealloc_uar_resp resp;
677 cmd.aq_common_descriptor.opcode = EFA_ADMIN_DEALLOC_UAR;
678 cmd.uar = params->uarn;
680 err = efa_com_cmd_exec(aq,
681 (struct efa_admin_aq_entry *)&cmd,
683 (struct efa_admin_acq_entry *)&resp,
686 ibdev_err(edev->efa_dev, "Failed to deallocate uar-%u [%d]\n",