Loading...
1// SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
2/*
3 * Copyright 2018-2024 Amazon.com, Inc. or its affiliates. All rights reserved.
4 */
5
6#include "efa_com.h"
7#include "efa_com_cmd.h"
8
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 err = efa_com_cmd_exec(aq,
36 (struct efa_admin_aq_entry *)&create_qp_cmd,
37 sizeof(create_qp_cmd),
38 (struct efa_admin_acq_entry *)&cmd_completion,
39 sizeof(cmd_completion));
40 if (err) {
41 ibdev_err_ratelimited(edev->efa_dev,
42 "Failed to create qp [%d]\n", err);
43 return err;
44 }
45
46 res->qp_handle = cmd_completion.qp_handle;
47 res->qp_num = cmd_completion.qp_num;
48 res->sq_db_offset = cmd_completion.sq_db_offset;
49 res->rq_db_offset = cmd_completion.rq_db_offset;
50 res->llq_descriptors_offset = cmd_completion.llq_descriptors_offset;
51 res->send_sub_cq_idx = cmd_completion.send_sub_cq_idx;
52 res->recv_sub_cq_idx = cmd_completion.recv_sub_cq_idx;
53
54 return 0;
55}
56
57int efa_com_modify_qp(struct efa_com_dev *edev,
58 struct efa_com_modify_qp_params *params)
59{
60 struct efa_com_admin_queue *aq = &edev->aq;
61 struct efa_admin_modify_qp_cmd cmd = {};
62 struct efa_admin_modify_qp_resp resp;
63 int err;
64
65 cmd.aq_common_desc.opcode = EFA_ADMIN_MODIFY_QP;
66 cmd.modify_mask = params->modify_mask;
67 cmd.qp_handle = params->qp_handle;
68 cmd.qp_state = params->qp_state;
69 cmd.cur_qp_state = params->cur_qp_state;
70 cmd.qkey = params->qkey;
71 cmd.sq_psn = params->sq_psn;
72 cmd.sq_drained_async_notify = params->sq_drained_async_notify;
73 cmd.rnr_retry = params->rnr_retry;
74
75 err = efa_com_cmd_exec(aq,
76 (struct efa_admin_aq_entry *)&cmd,
77 sizeof(cmd),
78 (struct efa_admin_acq_entry *)&resp,
79 sizeof(resp));
80 if (err) {
81 ibdev_err_ratelimited(
82 edev->efa_dev,
83 "Failed to modify qp-%u modify_mask[%#x] [%d]\n",
84 cmd.qp_handle, cmd.modify_mask, err);
85 return err;
86 }
87
88 return 0;
89}
90
91int efa_com_query_qp(struct efa_com_dev *edev,
92 struct efa_com_query_qp_params *params,
93 struct efa_com_query_qp_result *result)
94{
95 struct efa_com_admin_queue *aq = &edev->aq;
96 struct efa_admin_query_qp_cmd cmd = {};
97 struct efa_admin_query_qp_resp resp;
98 int err;
99
100 cmd.aq_common_desc.opcode = EFA_ADMIN_QUERY_QP;
101 cmd.qp_handle = params->qp_handle;
102
103 err = efa_com_cmd_exec(aq,
104 (struct efa_admin_aq_entry *)&cmd,
105 sizeof(cmd),
106 (struct efa_admin_acq_entry *)&resp,
107 sizeof(resp));
108 if (err) {
109 ibdev_err_ratelimited(edev->efa_dev,
110 "Failed to query qp-%u [%d]\n",
111 cmd.qp_handle, err);
112 return err;
113 }
114
115 result->qp_state = resp.qp_state;
116 result->qkey = resp.qkey;
117 result->sq_draining = resp.sq_draining;
118 result->sq_psn = resp.sq_psn;
119 result->rnr_retry = resp.rnr_retry;
120
121 return 0;
122}
123
124int efa_com_destroy_qp(struct efa_com_dev *edev,
125 struct efa_com_destroy_qp_params *params)
126{
127 struct efa_admin_destroy_qp_resp cmd_completion;
128 struct efa_admin_destroy_qp_cmd qp_cmd = {};
129 struct efa_com_admin_queue *aq = &edev->aq;
130 int err;
131
132 qp_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_QP;
133 qp_cmd.qp_handle = params->qp_handle;
134
135 err = efa_com_cmd_exec(aq,
136 (struct efa_admin_aq_entry *)&qp_cmd,
137 sizeof(qp_cmd),
138 (struct efa_admin_acq_entry *)&cmd_completion,
139 sizeof(cmd_completion));
140 if (err) {
141 ibdev_err_ratelimited(edev->efa_dev,
142 "Failed to destroy qp-%u [%d]\n",
143 qp_cmd.qp_handle, err);
144 return err;
145 }
146
147 return 0;
148}
149
150int efa_com_create_cq(struct efa_com_dev *edev,
151 struct efa_com_create_cq_params *params,
152 struct efa_com_create_cq_result *result)
153{
154 struct efa_admin_create_cq_resp cmd_completion = {};
155 struct efa_admin_create_cq_cmd create_cmd = {};
156 struct efa_com_admin_queue *aq = &edev->aq;
157 int err;
158
159 create_cmd.aq_common_desc.opcode = EFA_ADMIN_CREATE_CQ;
160 EFA_SET(&create_cmd.cq_caps_2,
161 EFA_ADMIN_CREATE_CQ_CMD_CQ_ENTRY_SIZE_WORDS,
162 params->entry_size_in_bytes / 4);
163 create_cmd.cq_depth = params->cq_depth;
164 create_cmd.num_sub_cqs = params->num_sub_cqs;
165 create_cmd.uar = params->uarn;
166 if (params->interrupt_mode_enabled) {
167 EFA_SET(&create_cmd.cq_caps_1,
168 EFA_ADMIN_CREATE_CQ_CMD_INTERRUPT_MODE_ENABLED, 1);
169 create_cmd.eqn = params->eqn;
170 }
171 if (params->set_src_addr) {
172 EFA_SET(&create_cmd.cq_caps_2,
173 EFA_ADMIN_CREATE_CQ_CMD_SET_SRC_ADDR, 1);
174 }
175 efa_com_set_dma_addr(params->dma_addr,
176 &create_cmd.cq_ba.mem_addr_high,
177 &create_cmd.cq_ba.mem_addr_low);
178
179 err = efa_com_cmd_exec(aq,
180 (struct efa_admin_aq_entry *)&create_cmd,
181 sizeof(create_cmd),
182 (struct efa_admin_acq_entry *)&cmd_completion,
183 sizeof(cmd_completion));
184 if (err) {
185 ibdev_err_ratelimited(edev->efa_dev,
186 "Failed to create cq[%d]\n", err);
187 return err;
188 }
189
190 result->cq_idx = cmd_completion.cq_idx;
191 result->actual_depth = params->cq_depth;
192 result->db_off = cmd_completion.db_offset;
193 result->db_valid = EFA_GET(&cmd_completion.flags,
194 EFA_ADMIN_CREATE_CQ_RESP_DB_VALID);
195
196 return 0;
197}
198
199int efa_com_destroy_cq(struct efa_com_dev *edev,
200 struct efa_com_destroy_cq_params *params)
201{
202 struct efa_admin_destroy_cq_cmd destroy_cmd = {};
203 struct efa_admin_destroy_cq_resp destroy_resp;
204 struct efa_com_admin_queue *aq = &edev->aq;
205 int err;
206
207 destroy_cmd.cq_idx = params->cq_idx;
208 destroy_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_CQ;
209
210 err = efa_com_cmd_exec(aq,
211 (struct efa_admin_aq_entry *)&destroy_cmd,
212 sizeof(destroy_cmd),
213 (struct efa_admin_acq_entry *)&destroy_resp,
214 sizeof(destroy_resp));
215
216 if (err) {
217 ibdev_err_ratelimited(edev->efa_dev,
218 "Failed to destroy CQ-%u [%d]\n",
219 params->cq_idx, err);
220 return err;
221 }
222
223 return 0;
224}
225
226int efa_com_register_mr(struct efa_com_dev *edev,
227 struct efa_com_reg_mr_params *params,
228 struct efa_com_reg_mr_result *result)
229{
230 struct efa_admin_reg_mr_resp cmd_completion;
231 struct efa_com_admin_queue *aq = &edev->aq;
232 struct efa_admin_reg_mr_cmd mr_cmd = {};
233 int err;
234
235 mr_cmd.aq_common_desc.opcode = EFA_ADMIN_REG_MR;
236 mr_cmd.pd = params->pd;
237 mr_cmd.mr_length = params->mr_length_in_bytes;
238 EFA_SET(&mr_cmd.flags, EFA_ADMIN_REG_MR_CMD_PHYS_PAGE_SIZE_SHIFT,
239 params->page_shift);
240 mr_cmd.iova = params->iova;
241 mr_cmd.permissions = params->permissions;
242
243 if (params->inline_pbl) {
244 memcpy(mr_cmd.pbl.inline_pbl_array,
245 params->pbl.inline_pbl_array,
246 sizeof(mr_cmd.pbl.inline_pbl_array));
247 } else {
248 mr_cmd.pbl.pbl.length = params->pbl.pbl.length;
249 mr_cmd.pbl.pbl.address.mem_addr_low =
250 params->pbl.pbl.address.mem_addr_low;
251 mr_cmd.pbl.pbl.address.mem_addr_high =
252 params->pbl.pbl.address.mem_addr_high;
253 EFA_SET(&mr_cmd.aq_common_desc.flags,
254 EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA, 1);
255 if (params->indirect)
256 EFA_SET(&mr_cmd.aq_common_desc.flags,
257 EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT, 1);
258 }
259
260 err = efa_com_cmd_exec(aq,
261 (struct efa_admin_aq_entry *)&mr_cmd,
262 sizeof(mr_cmd),
263 (struct efa_admin_acq_entry *)&cmd_completion,
264 sizeof(cmd_completion));
265 if (err) {
266 ibdev_err_ratelimited(edev->efa_dev,
267 "Failed to register mr [%d]\n", err);
268 return err;
269 }
270
271 result->l_key = cmd_completion.l_key;
272 result->r_key = cmd_completion.r_key;
273 result->ic_info.recv_ic_id = cmd_completion.recv_ic_id;
274 result->ic_info.rdma_read_ic_id = cmd_completion.rdma_read_ic_id;
275 result->ic_info.rdma_recv_ic_id = cmd_completion.rdma_recv_ic_id;
276 result->ic_info.recv_ic_id_valid = EFA_GET(&cmd_completion.validity,
277 EFA_ADMIN_REG_MR_RESP_RECV_IC_ID);
278 result->ic_info.rdma_read_ic_id_valid = EFA_GET(&cmd_completion.validity,
279 EFA_ADMIN_REG_MR_RESP_RDMA_READ_IC_ID);
280 result->ic_info.rdma_recv_ic_id_valid = EFA_GET(&cmd_completion.validity,
281 EFA_ADMIN_REG_MR_RESP_RDMA_RECV_IC_ID);
282
283 return 0;
284}
285
286int efa_com_dereg_mr(struct efa_com_dev *edev,
287 struct efa_com_dereg_mr_params *params)
288{
289 struct efa_admin_dereg_mr_resp cmd_completion;
290 struct efa_com_admin_queue *aq = &edev->aq;
291 struct efa_admin_dereg_mr_cmd mr_cmd = {};
292 int err;
293
294 mr_cmd.aq_common_desc.opcode = EFA_ADMIN_DEREG_MR;
295 mr_cmd.l_key = params->l_key;
296
297 err = efa_com_cmd_exec(aq,
298 (struct efa_admin_aq_entry *)&mr_cmd,
299 sizeof(mr_cmd),
300 (struct efa_admin_acq_entry *)&cmd_completion,
301 sizeof(cmd_completion));
302 if (err) {
303 ibdev_err_ratelimited(edev->efa_dev,
304 "Failed to de-register mr(lkey-%u) [%d]\n",
305 mr_cmd.l_key, err);
306 return err;
307 }
308
309 return 0;
310}
311
312int efa_com_create_ah(struct efa_com_dev *edev,
313 struct efa_com_create_ah_params *params,
314 struct efa_com_create_ah_result *result)
315{
316 struct efa_admin_create_ah_resp cmd_completion;
317 struct efa_com_admin_queue *aq = &edev->aq;
318 struct efa_admin_create_ah_cmd ah_cmd = {};
319 int err;
320
321 ah_cmd.aq_common_desc.opcode = EFA_ADMIN_CREATE_AH;
322
323 memcpy(ah_cmd.dest_addr, params->dest_addr, sizeof(ah_cmd.dest_addr));
324 ah_cmd.pd = params->pdn;
325
326 err = efa_com_cmd_exec(aq,
327 (struct efa_admin_aq_entry *)&ah_cmd,
328 sizeof(ah_cmd),
329 (struct efa_admin_acq_entry *)&cmd_completion,
330 sizeof(cmd_completion));
331 if (err) {
332 ibdev_err_ratelimited(edev->efa_dev,
333 "Failed to create ah for %pI6 [%d]\n",
334 ah_cmd.dest_addr, err);
335 return err;
336 }
337
338 result->ah = cmd_completion.ah;
339
340 return 0;
341}
342
343int efa_com_destroy_ah(struct efa_com_dev *edev,
344 struct efa_com_destroy_ah_params *params)
345{
346 struct efa_admin_destroy_ah_resp cmd_completion;
347 struct efa_admin_destroy_ah_cmd ah_cmd = {};
348 struct efa_com_admin_queue *aq = &edev->aq;
349 int err;
350
351 ah_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_AH;
352 ah_cmd.ah = params->ah;
353 ah_cmd.pd = params->pdn;
354
355 err = efa_com_cmd_exec(aq,
356 (struct efa_admin_aq_entry *)&ah_cmd,
357 sizeof(ah_cmd),
358 (struct efa_admin_acq_entry *)&cmd_completion,
359 sizeof(cmd_completion));
360 if (err) {
361 ibdev_err_ratelimited(edev->efa_dev,
362 "Failed to destroy ah-%d pd-%d [%d]\n",
363 ah_cmd.ah, ah_cmd.pd, err);
364 return err;
365 }
366
367 return 0;
368}
369
370bool
371efa_com_check_supported_feature_id(struct efa_com_dev *edev,
372 enum efa_admin_aq_feature_id feature_id)
373{
374 u32 feature_mask = 1 << feature_id;
375
376 /* Device attributes is always supported */
377 if (feature_id != EFA_ADMIN_DEVICE_ATTR &&
378 !(edev->supported_features & feature_mask))
379 return false;
380
381 return true;
382}
383
384static int efa_com_get_feature_ex(struct efa_com_dev *edev,
385 struct efa_admin_get_feature_resp *get_resp,
386 enum efa_admin_aq_feature_id feature_id,
387 dma_addr_t control_buf_dma_addr,
388 u32 control_buff_size)
389{
390 struct efa_admin_get_feature_cmd get_cmd = {};
391 struct efa_com_admin_queue *aq;
392 int err;
393
394 if (!efa_com_check_supported_feature_id(edev, feature_id)) {
395 ibdev_err_ratelimited(edev->efa_dev,
396 "Feature %d isn't supported\n",
397 feature_id);
398 return -EOPNOTSUPP;
399 }
400
401 aq = &edev->aq;
402
403 get_cmd.aq_common_descriptor.opcode = EFA_ADMIN_GET_FEATURE;
404
405 if (control_buff_size)
406 EFA_SET(&get_cmd.aq_common_descriptor.flags,
407 EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA, 1);
408
409 efa_com_set_dma_addr(control_buf_dma_addr,
410 &get_cmd.control_buffer.address.mem_addr_high,
411 &get_cmd.control_buffer.address.mem_addr_low);
412
413 get_cmd.control_buffer.length = control_buff_size;
414 get_cmd.feature_common.feature_id = feature_id;
415 err = efa_com_cmd_exec(aq,
416 (struct efa_admin_aq_entry *)
417 &get_cmd,
418 sizeof(get_cmd),
419 (struct efa_admin_acq_entry *)
420 get_resp,
421 sizeof(*get_resp));
422
423 if (err) {
424 ibdev_err_ratelimited(
425 edev->efa_dev,
426 "Failed to submit get_feature command %d [%d]\n",
427 feature_id, err);
428 return err;
429 }
430
431 return 0;
432}
433
434static int efa_com_get_feature(struct efa_com_dev *edev,
435 struct efa_admin_get_feature_resp *get_resp,
436 enum efa_admin_aq_feature_id feature_id)
437{
438 return efa_com_get_feature_ex(edev, get_resp, feature_id, 0, 0);
439}
440
441int efa_com_get_device_attr(struct efa_com_dev *edev,
442 struct efa_com_get_device_attr_result *result)
443{
444 struct efa_admin_get_feature_resp resp;
445 int err;
446
447 err = efa_com_get_feature(edev, &resp, EFA_ADMIN_DEVICE_ATTR);
448 if (err) {
449 ibdev_err_ratelimited(edev->efa_dev,
450 "Failed to get device attributes %d\n",
451 err);
452 return err;
453 }
454
455 result->page_size_cap = resp.u.device_attr.page_size_cap;
456 result->fw_version = resp.u.device_attr.fw_version;
457 result->admin_api_version = resp.u.device_attr.admin_api_version;
458 result->device_version = resp.u.device_attr.device_version;
459 result->supported_features = resp.u.device_attr.supported_features;
460 result->phys_addr_width = resp.u.device_attr.phys_addr_width;
461 result->virt_addr_width = resp.u.device_attr.virt_addr_width;
462 result->db_bar = resp.u.device_attr.db_bar;
463 result->max_rdma_size = resp.u.device_attr.max_rdma_size;
464 result->device_caps = resp.u.device_attr.device_caps;
465
466 if (result->admin_api_version < 1) {
467 ibdev_err_ratelimited(
468 edev->efa_dev,
469 "Failed to get device attr api version [%u < 1]\n",
470 result->admin_api_version);
471 return -EINVAL;
472 }
473
474 edev->supported_features = resp.u.device_attr.supported_features;
475 err = efa_com_get_feature(edev, &resp,
476 EFA_ADMIN_QUEUE_ATTR);
477 if (err) {
478 ibdev_err_ratelimited(edev->efa_dev,
479 "Failed to get queue attributes %d\n",
480 err);
481 return err;
482 }
483
484 result->max_qp = resp.u.queue_attr.max_qp;
485 result->max_sq_depth = resp.u.queue_attr.max_sq_depth;
486 result->max_rq_depth = resp.u.queue_attr.max_rq_depth;
487 result->max_cq = resp.u.queue_attr.max_cq;
488 result->max_cq_depth = resp.u.queue_attr.max_cq_depth;
489 result->inline_buf_size = resp.u.queue_attr.inline_buf_size;
490 result->max_sq_sge = resp.u.queue_attr.max_wr_send_sges;
491 result->max_rq_sge = resp.u.queue_attr.max_wr_recv_sges;
492 result->max_mr = resp.u.queue_attr.max_mr;
493 result->max_mr_pages = resp.u.queue_attr.max_mr_pages;
494 result->max_pd = resp.u.queue_attr.max_pd;
495 result->max_ah = resp.u.queue_attr.max_ah;
496 result->max_llq_size = resp.u.queue_attr.max_llq_size;
497 result->sub_cqs_per_cq = resp.u.queue_attr.sub_cqs_per_cq;
498 result->max_wr_rdma_sge = resp.u.queue_attr.max_wr_rdma_sges;
499 result->max_tx_batch = resp.u.queue_attr.max_tx_batch;
500 result->min_sq_depth = resp.u.queue_attr.min_sq_depth;
501
502 err = efa_com_get_feature(edev, &resp, EFA_ADMIN_NETWORK_ATTR);
503 if (err) {
504 ibdev_err_ratelimited(edev->efa_dev,
505 "Failed to get network attributes %d\n",
506 err);
507 return err;
508 }
509
510 memcpy(result->addr, resp.u.network_attr.addr,
511 sizeof(resp.u.network_attr.addr));
512 result->mtu = resp.u.network_attr.mtu;
513
514 if (efa_com_check_supported_feature_id(edev,
515 EFA_ADMIN_EVENT_QUEUE_ATTR)) {
516 err = efa_com_get_feature(edev, &resp,
517 EFA_ADMIN_EVENT_QUEUE_ATTR);
518 if (err) {
519 ibdev_err_ratelimited(
520 edev->efa_dev,
521 "Failed to get event queue attributes %d\n",
522 err);
523 return err;
524 }
525
526 result->max_eq = resp.u.event_queue_attr.max_eq;
527 result->max_eq_depth = resp.u.event_queue_attr.max_eq_depth;
528 result->event_bitmask = resp.u.event_queue_attr.event_bitmask;
529 }
530
531 return 0;
532}
533
534int efa_com_get_hw_hints(struct efa_com_dev *edev,
535 struct efa_com_get_hw_hints_result *result)
536{
537 struct efa_admin_get_feature_resp resp;
538 int err;
539
540 err = efa_com_get_feature(edev, &resp, EFA_ADMIN_HW_HINTS);
541 if (err) {
542 ibdev_err_ratelimited(edev->efa_dev,
543 "Failed to get hw hints %d\n", err);
544 return err;
545 }
546
547 result->admin_completion_timeout = resp.u.hw_hints.admin_completion_timeout;
548 result->driver_watchdog_timeout = resp.u.hw_hints.driver_watchdog_timeout;
549 result->mmio_read_timeout = resp.u.hw_hints.mmio_read_timeout;
550 result->poll_interval = resp.u.hw_hints.poll_interval;
551
552 return 0;
553}
554
555int efa_com_set_feature_ex(struct efa_com_dev *edev,
556 struct efa_admin_set_feature_resp *set_resp,
557 struct efa_admin_set_feature_cmd *set_cmd,
558 enum efa_admin_aq_feature_id feature_id,
559 dma_addr_t control_buf_dma_addr,
560 u32 control_buff_size)
561{
562 struct efa_com_admin_queue *aq;
563 int err;
564
565 if (!efa_com_check_supported_feature_id(edev, feature_id)) {
566 ibdev_err_ratelimited(edev->efa_dev,
567 "Feature %d isn't supported\n",
568 feature_id);
569 return -EOPNOTSUPP;
570 }
571
572 aq = &edev->aq;
573
574 set_cmd->aq_common_descriptor.opcode = EFA_ADMIN_SET_FEATURE;
575 if (control_buff_size) {
576 set_cmd->aq_common_descriptor.flags = 0;
577 EFA_SET(&set_cmd->aq_common_descriptor.flags,
578 EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA, 1);
579 efa_com_set_dma_addr(control_buf_dma_addr,
580 &set_cmd->control_buffer.address.mem_addr_high,
581 &set_cmd->control_buffer.address.mem_addr_low);
582 }
583
584 set_cmd->control_buffer.length = control_buff_size;
585 set_cmd->feature_common.feature_id = feature_id;
586 err = efa_com_cmd_exec(aq,
587 (struct efa_admin_aq_entry *)set_cmd,
588 sizeof(*set_cmd),
589 (struct efa_admin_acq_entry *)set_resp,
590 sizeof(*set_resp));
591
592 if (err) {
593 ibdev_err_ratelimited(
594 edev->efa_dev,
595 "Failed to submit set_feature command %d error: %d\n",
596 feature_id, err);
597 return err;
598 }
599
600 return 0;
601}
602
603static int efa_com_set_feature(struct efa_com_dev *edev,
604 struct efa_admin_set_feature_resp *set_resp,
605 struct efa_admin_set_feature_cmd *set_cmd,
606 enum efa_admin_aq_feature_id feature_id)
607{
608 return efa_com_set_feature_ex(edev, set_resp, set_cmd, feature_id,
609 0, 0);
610}
611
612int efa_com_set_aenq_config(struct efa_com_dev *edev, u32 groups)
613{
614 struct efa_admin_get_feature_resp get_resp;
615 struct efa_admin_set_feature_resp set_resp;
616 struct efa_admin_set_feature_cmd cmd = {};
617 int err;
618
619 ibdev_dbg(edev->efa_dev, "Configuring aenq with groups[%#x]\n", groups);
620
621 err = efa_com_get_feature(edev, &get_resp, EFA_ADMIN_AENQ_CONFIG);
622 if (err) {
623 ibdev_err_ratelimited(edev->efa_dev,
624 "Failed to get aenq attributes: %d\n",
625 err);
626 return err;
627 }
628
629 ibdev_dbg(edev->efa_dev,
630 "Get aenq groups: supported[%#x] enabled[%#x]\n",
631 get_resp.u.aenq.supported_groups,
632 get_resp.u.aenq.enabled_groups);
633
634 if ((get_resp.u.aenq.supported_groups & groups) != groups) {
635 ibdev_err_ratelimited(
636 edev->efa_dev,
637 "Trying to set unsupported aenq groups[%#x] supported[%#x]\n",
638 groups, get_resp.u.aenq.supported_groups);
639 return -EOPNOTSUPP;
640 }
641
642 cmd.u.aenq.enabled_groups = groups;
643 err = efa_com_set_feature(edev, &set_resp, &cmd,
644 EFA_ADMIN_AENQ_CONFIG);
645 if (err) {
646 ibdev_err_ratelimited(edev->efa_dev,
647 "Failed to set aenq attributes: %d\n",
648 err);
649 return err;
650 }
651
652 return 0;
653}
654
655int efa_com_alloc_pd(struct efa_com_dev *edev,
656 struct efa_com_alloc_pd_result *result)
657{
658 struct efa_com_admin_queue *aq = &edev->aq;
659 struct efa_admin_alloc_pd_cmd cmd = {};
660 struct efa_admin_alloc_pd_resp resp;
661 int err;
662
663 cmd.aq_common_descriptor.opcode = EFA_ADMIN_ALLOC_PD;
664
665 err = efa_com_cmd_exec(aq,
666 (struct efa_admin_aq_entry *)&cmd,
667 sizeof(cmd),
668 (struct efa_admin_acq_entry *)&resp,
669 sizeof(resp));
670 if (err) {
671 ibdev_err_ratelimited(edev->efa_dev,
672 "Failed to allocate pd[%d]\n", err);
673 return err;
674 }
675
676 result->pdn = resp.pd;
677
678 return 0;
679}
680
681int efa_com_dealloc_pd(struct efa_com_dev *edev,
682 struct efa_com_dealloc_pd_params *params)
683{
684 struct efa_com_admin_queue *aq = &edev->aq;
685 struct efa_admin_dealloc_pd_cmd cmd = {};
686 struct efa_admin_dealloc_pd_resp resp;
687 int err;
688
689 cmd.aq_common_descriptor.opcode = EFA_ADMIN_DEALLOC_PD;
690 cmd.pd = params->pdn;
691
692 err = efa_com_cmd_exec(aq,
693 (struct efa_admin_aq_entry *)&cmd,
694 sizeof(cmd),
695 (struct efa_admin_acq_entry *)&resp,
696 sizeof(resp));
697 if (err) {
698 ibdev_err_ratelimited(edev->efa_dev,
699 "Failed to deallocate pd-%u [%d]\n",
700 cmd.pd, err);
701 return err;
702 }
703
704 return 0;
705}
706
707int efa_com_alloc_uar(struct efa_com_dev *edev,
708 struct efa_com_alloc_uar_result *result)
709{
710 struct efa_com_admin_queue *aq = &edev->aq;
711 struct efa_admin_alloc_uar_cmd cmd = {};
712 struct efa_admin_alloc_uar_resp resp;
713 int err;
714
715 cmd.aq_common_descriptor.opcode = EFA_ADMIN_ALLOC_UAR;
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 allocate uar[%d]\n", err);
725 return err;
726 }
727
728 result->uarn = resp.uar;
729
730 return 0;
731}
732
733int efa_com_dealloc_uar(struct efa_com_dev *edev,
734 struct efa_com_dealloc_uar_params *params)
735{
736 struct efa_com_admin_queue *aq = &edev->aq;
737 struct efa_admin_dealloc_uar_cmd cmd = {};
738 struct efa_admin_dealloc_uar_resp resp;
739 int err;
740
741 cmd.aq_common_descriptor.opcode = EFA_ADMIN_DEALLOC_UAR;
742 cmd.uar = params->uarn;
743
744 err = efa_com_cmd_exec(aq,
745 (struct efa_admin_aq_entry *)&cmd,
746 sizeof(cmd),
747 (struct efa_admin_acq_entry *)&resp,
748 sizeof(resp));
749 if (err) {
750 ibdev_err_ratelimited(edev->efa_dev,
751 "Failed to deallocate uar-%u [%d]\n",
752 cmd.uar, err);
753 return err;
754 }
755
756 return 0;
757}
758
759int efa_com_get_stats(struct efa_com_dev *edev,
760 struct efa_com_get_stats_params *params,
761 union efa_com_get_stats_result *result)
762{
763 struct efa_com_admin_queue *aq = &edev->aq;
764 struct efa_admin_aq_get_stats_cmd cmd = {};
765 struct efa_admin_acq_get_stats_resp resp;
766 int err;
767
768 cmd.aq_common_descriptor.opcode = EFA_ADMIN_GET_STATS;
769 cmd.type = params->type;
770 cmd.scope = params->scope;
771 cmd.scope_modifier = params->scope_modifier;
772
773 err = efa_com_cmd_exec(aq,
774 (struct efa_admin_aq_entry *)&cmd,
775 sizeof(cmd),
776 (struct efa_admin_acq_entry *)&resp,
777 sizeof(resp));
778 if (err) {
779 ibdev_err_ratelimited(
780 edev->efa_dev,
781 "Failed to get stats type-%u scope-%u.%u [%d]\n",
782 cmd.type, cmd.scope, cmd.scope_modifier, err);
783 return err;
784 }
785
786 switch (cmd.type) {
787 case EFA_ADMIN_GET_STATS_TYPE_BASIC:
788 result->basic_stats.tx_bytes = resp.u.basic_stats.tx_bytes;
789 result->basic_stats.tx_pkts = resp.u.basic_stats.tx_pkts;
790 result->basic_stats.rx_bytes = resp.u.basic_stats.rx_bytes;
791 result->basic_stats.rx_pkts = resp.u.basic_stats.rx_pkts;
792 result->basic_stats.rx_drops = resp.u.basic_stats.rx_drops;
793 break;
794 case EFA_ADMIN_GET_STATS_TYPE_MESSAGES:
795 result->messages_stats.send_bytes = resp.u.messages_stats.send_bytes;
796 result->messages_stats.send_wrs = resp.u.messages_stats.send_wrs;
797 result->messages_stats.recv_bytes = resp.u.messages_stats.recv_bytes;
798 result->messages_stats.recv_wrs = resp.u.messages_stats.recv_wrs;
799 break;
800 case EFA_ADMIN_GET_STATS_TYPE_RDMA_READ:
801 result->rdma_read_stats.read_wrs = resp.u.rdma_read_stats.read_wrs;
802 result->rdma_read_stats.read_bytes = resp.u.rdma_read_stats.read_bytes;
803 result->rdma_read_stats.read_wr_err = resp.u.rdma_read_stats.read_wr_err;
804 result->rdma_read_stats.read_resp_bytes = resp.u.rdma_read_stats.read_resp_bytes;
805 break;
806 case EFA_ADMIN_GET_STATS_TYPE_RDMA_WRITE:
807 result->rdma_write_stats.write_wrs = resp.u.rdma_write_stats.write_wrs;
808 result->rdma_write_stats.write_bytes = resp.u.rdma_write_stats.write_bytes;
809 result->rdma_write_stats.write_wr_err = resp.u.rdma_write_stats.write_wr_err;
810 result->rdma_write_stats.write_recv_bytes = resp.u.rdma_write_stats.write_recv_bytes;
811 break;
812 }
813
814 return 0;
815}
1// SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
2/*
3 * Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All rights reserved.
4 */
5
6#include "efa_com.h"
7#include "efa_com_cmd.h"
8
9void efa_com_set_dma_addr(dma_addr_t addr, u32 *addr_high, u32 *addr_low)
10{
11 *addr_low = lower_32_bits(addr);
12 *addr_high = upper_32_bits(addr);
13}
14
15int efa_com_create_qp(struct efa_com_dev *edev,
16 struct efa_com_create_qp_params *params,
17 struct efa_com_create_qp_result *res)
18{
19 struct efa_admin_create_qp_cmd create_qp_cmd = {};
20 struct efa_admin_create_qp_resp cmd_completion;
21 struct efa_com_admin_queue *aq = &edev->aq;
22 int err;
23
24 create_qp_cmd.aq_common_desc.opcode = EFA_ADMIN_CREATE_QP;
25
26 create_qp_cmd.pd = params->pd;
27 create_qp_cmd.qp_type = params->qp_type;
28 create_qp_cmd.rq_base_addr = params->rq_base_addr;
29 create_qp_cmd.send_cq_idx = params->send_cq_idx;
30 create_qp_cmd.recv_cq_idx = params->recv_cq_idx;
31 create_qp_cmd.qp_alloc_size.send_queue_ring_size =
32 params->sq_ring_size_in_bytes;
33 create_qp_cmd.qp_alloc_size.send_queue_depth =
34 params->sq_depth;
35 create_qp_cmd.qp_alloc_size.recv_queue_ring_size =
36 params->rq_ring_size_in_bytes;
37 create_qp_cmd.qp_alloc_size.recv_queue_depth =
38 params->rq_depth;
39 create_qp_cmd.uar = params->uarn;
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
63int 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
80 err = efa_com_cmd_exec(aq,
81 (struct efa_admin_aq_entry *)&cmd,
82 sizeof(cmd),
83 (struct efa_admin_acq_entry *)&resp,
84 sizeof(resp));
85 if (err) {
86 ibdev_err_ratelimited(
87 edev->efa_dev,
88 "Failed to modify qp-%u modify_mask[%#x] [%d]\n",
89 cmd.qp_handle, cmd.modify_mask, err);
90 return err;
91 }
92
93 return 0;
94}
95
96int efa_com_query_qp(struct efa_com_dev *edev,
97 struct efa_com_query_qp_params *params,
98 struct efa_com_query_qp_result *result)
99{
100 struct efa_com_admin_queue *aq = &edev->aq;
101 struct efa_admin_query_qp_cmd cmd = {};
102 struct efa_admin_query_qp_resp resp;
103 int err;
104
105 cmd.aq_common_desc.opcode = EFA_ADMIN_QUERY_QP;
106 cmd.qp_handle = params->qp_handle;
107
108 err = efa_com_cmd_exec(aq,
109 (struct efa_admin_aq_entry *)&cmd,
110 sizeof(cmd),
111 (struct efa_admin_acq_entry *)&resp,
112 sizeof(resp));
113 if (err) {
114 ibdev_err_ratelimited(edev->efa_dev,
115 "Failed to query qp-%u [%d]\n",
116 cmd.qp_handle, err);
117 return err;
118 }
119
120 result->qp_state = resp.qp_state;
121 result->qkey = resp.qkey;
122 result->sq_draining = resp.sq_draining;
123 result->sq_psn = resp.sq_psn;
124
125 return 0;
126}
127
128int 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 (struct efa_admin_aq_entry *)&qp_cmd,
141 sizeof(qp_cmd),
142 (struct efa_admin_acq_entry *)&cmd_completion,
143 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
154int 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 create_cmd.cq_caps_2 = (params->entry_size_in_bytes / 4) &
165 EFA_ADMIN_CREATE_CQ_CMD_CQ_ENTRY_SIZE_WORDS_MASK;
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
170 efa_com_set_dma_addr(params->dma_addr,
171 &create_cmd.cq_ba.mem_addr_high,
172 &create_cmd.cq_ba.mem_addr_low);
173
174 err = efa_com_cmd_exec(aq,
175 (struct efa_admin_aq_entry *)&create_cmd,
176 sizeof(create_cmd),
177 (struct efa_admin_acq_entry *)&cmd_completion,
178 sizeof(cmd_completion));
179 if (err) {
180 ibdev_err_ratelimited(edev->efa_dev,
181 "Failed to create cq[%d]\n", err);
182 return err;
183 }
184
185 result->cq_idx = cmd_completion.cq_idx;
186 result->actual_depth = params->cq_depth;
187
188 return 0;
189}
190
191int efa_com_destroy_cq(struct efa_com_dev *edev,
192 struct efa_com_destroy_cq_params *params)
193{
194 struct efa_admin_destroy_cq_cmd destroy_cmd = {};
195 struct efa_admin_destroy_cq_resp destroy_resp;
196 struct efa_com_admin_queue *aq = &edev->aq;
197 int err;
198
199 destroy_cmd.cq_idx = params->cq_idx;
200 destroy_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_CQ;
201
202 err = efa_com_cmd_exec(aq,
203 (struct efa_admin_aq_entry *)&destroy_cmd,
204 sizeof(destroy_cmd),
205 (struct efa_admin_acq_entry *)&destroy_resp,
206 sizeof(destroy_resp));
207
208 if (err) {
209 ibdev_err_ratelimited(edev->efa_dev,
210 "Failed to destroy CQ-%u [%d]\n",
211 params->cq_idx, err);
212 return err;
213 }
214
215 return 0;
216}
217
218int efa_com_register_mr(struct efa_com_dev *edev,
219 struct efa_com_reg_mr_params *params,
220 struct efa_com_reg_mr_result *result)
221{
222 struct efa_admin_reg_mr_resp cmd_completion;
223 struct efa_com_admin_queue *aq = &edev->aq;
224 struct efa_admin_reg_mr_cmd mr_cmd = {};
225 int err;
226
227 mr_cmd.aq_common_desc.opcode = EFA_ADMIN_REG_MR;
228 mr_cmd.pd = params->pd;
229 mr_cmd.mr_length = params->mr_length_in_bytes;
230 mr_cmd.flags |= params->page_shift &
231 EFA_ADMIN_REG_MR_CMD_PHYS_PAGE_SIZE_SHIFT_MASK;
232 mr_cmd.iova = params->iova;
233 mr_cmd.permissions |= params->permissions &
234 EFA_ADMIN_REG_MR_CMD_LOCAL_WRITE_ENABLE_MASK;
235
236 if (params->inline_pbl) {
237 memcpy(mr_cmd.pbl.inline_pbl_array,
238 params->pbl.inline_pbl_array,
239 sizeof(mr_cmd.pbl.inline_pbl_array));
240 } else {
241 mr_cmd.pbl.pbl.length = params->pbl.pbl.length;
242 mr_cmd.pbl.pbl.address.mem_addr_low =
243 params->pbl.pbl.address.mem_addr_low;
244 mr_cmd.pbl.pbl.address.mem_addr_high =
245 params->pbl.pbl.address.mem_addr_high;
246 mr_cmd.aq_common_desc.flags |=
247 EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_MASK;
248 if (params->indirect)
249 mr_cmd.aq_common_desc.flags |=
250 EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_MASK;
251 }
252
253 err = efa_com_cmd_exec(aq,
254 (struct efa_admin_aq_entry *)&mr_cmd,
255 sizeof(mr_cmd),
256 (struct efa_admin_acq_entry *)&cmd_completion,
257 sizeof(cmd_completion));
258 if (err) {
259 ibdev_err_ratelimited(edev->efa_dev,
260 "Failed to register mr [%d]\n", err);
261 return err;
262 }
263
264 result->l_key = cmd_completion.l_key;
265 result->r_key = cmd_completion.r_key;
266
267 return 0;
268}
269
270int efa_com_dereg_mr(struct efa_com_dev *edev,
271 struct efa_com_dereg_mr_params *params)
272{
273 struct efa_admin_dereg_mr_resp cmd_completion;
274 struct efa_com_admin_queue *aq = &edev->aq;
275 struct efa_admin_dereg_mr_cmd mr_cmd = {};
276 int err;
277
278 mr_cmd.aq_common_desc.opcode = EFA_ADMIN_DEREG_MR;
279 mr_cmd.l_key = params->l_key;
280
281 err = efa_com_cmd_exec(aq,
282 (struct efa_admin_aq_entry *)&mr_cmd,
283 sizeof(mr_cmd),
284 (struct efa_admin_acq_entry *)&cmd_completion,
285 sizeof(cmd_completion));
286 if (err) {
287 ibdev_err_ratelimited(edev->efa_dev,
288 "Failed to de-register mr(lkey-%u) [%d]\n",
289 mr_cmd.l_key, err);
290 return err;
291 }
292
293 return 0;
294}
295
296int efa_com_create_ah(struct efa_com_dev *edev,
297 struct efa_com_create_ah_params *params,
298 struct efa_com_create_ah_result *result)
299{
300 struct efa_admin_create_ah_resp cmd_completion;
301 struct efa_com_admin_queue *aq = &edev->aq;
302 struct efa_admin_create_ah_cmd ah_cmd = {};
303 int err;
304
305 ah_cmd.aq_common_desc.opcode = EFA_ADMIN_CREATE_AH;
306
307 memcpy(ah_cmd.dest_addr, params->dest_addr, sizeof(ah_cmd.dest_addr));
308 ah_cmd.pd = params->pdn;
309
310 err = efa_com_cmd_exec(aq,
311 (struct efa_admin_aq_entry *)&ah_cmd,
312 sizeof(ah_cmd),
313 (struct efa_admin_acq_entry *)&cmd_completion,
314 sizeof(cmd_completion));
315 if (err) {
316 ibdev_err_ratelimited(edev->efa_dev,
317 "Failed to create ah for %pI6 [%d]\n",
318 ah_cmd.dest_addr, err);
319 return err;
320 }
321
322 result->ah = cmd_completion.ah;
323
324 return 0;
325}
326
327int efa_com_destroy_ah(struct efa_com_dev *edev,
328 struct efa_com_destroy_ah_params *params)
329{
330 struct efa_admin_destroy_ah_resp cmd_completion;
331 struct efa_admin_destroy_ah_cmd ah_cmd = {};
332 struct efa_com_admin_queue *aq = &edev->aq;
333 int err;
334
335 ah_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_AH;
336 ah_cmd.ah = params->ah;
337 ah_cmd.pd = params->pdn;
338
339 err = efa_com_cmd_exec(aq,
340 (struct efa_admin_aq_entry *)&ah_cmd,
341 sizeof(ah_cmd),
342 (struct efa_admin_acq_entry *)&cmd_completion,
343 sizeof(cmd_completion));
344 if (err) {
345 ibdev_err_ratelimited(edev->efa_dev,
346 "Failed to destroy ah-%d pd-%d [%d]\n",
347 ah_cmd.ah, ah_cmd.pd, err);
348 return err;
349 }
350
351 return 0;
352}
353
354static bool
355efa_com_check_supported_feature_id(struct efa_com_dev *edev,
356 enum efa_admin_aq_feature_id feature_id)
357{
358 u32 feature_mask = 1 << feature_id;
359
360 /* Device attributes is always supported */
361 if (feature_id != EFA_ADMIN_DEVICE_ATTR &&
362 !(edev->supported_features & feature_mask))
363 return false;
364
365 return true;
366}
367
368static int efa_com_get_feature_ex(struct efa_com_dev *edev,
369 struct efa_admin_get_feature_resp *get_resp,
370 enum efa_admin_aq_feature_id feature_id,
371 dma_addr_t control_buf_dma_addr,
372 u32 control_buff_size)
373{
374 struct efa_admin_get_feature_cmd get_cmd = {};
375 struct efa_com_admin_queue *aq;
376 int err;
377
378 if (!efa_com_check_supported_feature_id(edev, feature_id)) {
379 ibdev_err_ratelimited(edev->efa_dev,
380 "Feature %d isn't supported\n",
381 feature_id);
382 return -EOPNOTSUPP;
383 }
384
385 aq = &edev->aq;
386
387 get_cmd.aq_common_descriptor.opcode = EFA_ADMIN_GET_FEATURE;
388
389 if (control_buff_size)
390 get_cmd.aq_common_descriptor.flags =
391 EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_MASK;
392
393
394 efa_com_set_dma_addr(control_buf_dma_addr,
395 &get_cmd.control_buffer.address.mem_addr_high,
396 &get_cmd.control_buffer.address.mem_addr_low);
397
398 get_cmd.control_buffer.length = control_buff_size;
399 get_cmd.feature_common.feature_id = feature_id;
400 err = efa_com_cmd_exec(aq,
401 (struct efa_admin_aq_entry *)
402 &get_cmd,
403 sizeof(get_cmd),
404 (struct efa_admin_acq_entry *)
405 get_resp,
406 sizeof(*get_resp));
407
408 if (err) {
409 ibdev_err_ratelimited(
410 edev->efa_dev,
411 "Failed to submit get_feature command %d [%d]\n",
412 feature_id, err);
413 return err;
414 }
415
416 return 0;
417}
418
419static int efa_com_get_feature(struct efa_com_dev *edev,
420 struct efa_admin_get_feature_resp *get_resp,
421 enum efa_admin_aq_feature_id feature_id)
422{
423 return efa_com_get_feature_ex(edev, get_resp, feature_id, 0, 0);
424}
425
426int efa_com_get_network_attr(struct efa_com_dev *edev,
427 struct efa_com_get_network_attr_result *result)
428{
429 struct efa_admin_get_feature_resp resp;
430 int err;
431
432 err = efa_com_get_feature(edev, &resp,
433 EFA_ADMIN_NETWORK_ATTR);
434 if (err) {
435 ibdev_err_ratelimited(edev->efa_dev,
436 "Failed to get network attributes %d\n",
437 err);
438 return err;
439 }
440
441 memcpy(result->addr, resp.u.network_attr.addr,
442 sizeof(resp.u.network_attr.addr));
443 result->mtu = resp.u.network_attr.mtu;
444
445 return 0;
446}
447
448int efa_com_get_device_attr(struct efa_com_dev *edev,
449 struct efa_com_get_device_attr_result *result)
450{
451 struct efa_admin_get_feature_resp resp;
452 int err;
453
454 err = efa_com_get_feature(edev, &resp, EFA_ADMIN_DEVICE_ATTR);
455 if (err) {
456 ibdev_err_ratelimited(edev->efa_dev,
457 "Failed to get device attributes %d\n",
458 err);
459 return err;
460 }
461
462 result->page_size_cap = resp.u.device_attr.page_size_cap;
463 result->fw_version = resp.u.device_attr.fw_version;
464 result->admin_api_version = resp.u.device_attr.admin_api_version;
465 result->device_version = resp.u.device_attr.device_version;
466 result->supported_features = resp.u.device_attr.supported_features;
467 result->phys_addr_width = resp.u.device_attr.phys_addr_width;
468 result->virt_addr_width = resp.u.device_attr.virt_addr_width;
469 result->db_bar = resp.u.device_attr.db_bar;
470
471 if (result->admin_api_version < 1) {
472 ibdev_err_ratelimited(
473 edev->efa_dev,
474 "Failed to get device attr api version [%u < 1]\n",
475 result->admin_api_version);
476 return -EINVAL;
477 }
478
479 edev->supported_features = resp.u.device_attr.supported_features;
480 err = efa_com_get_feature(edev, &resp,
481 EFA_ADMIN_QUEUE_ATTR);
482 if (err) {
483 ibdev_err_ratelimited(edev->efa_dev,
484 "Failed to get queue attributes %d\n",
485 err);
486 return err;
487 }
488
489 result->max_qp = resp.u.queue_attr.max_qp;
490 result->max_sq_depth = resp.u.queue_attr.max_sq_depth;
491 result->max_rq_depth = resp.u.queue_attr.max_rq_depth;
492 result->max_cq = resp.u.queue_attr.max_cq;
493 result->max_cq_depth = resp.u.queue_attr.max_cq_depth;
494 result->inline_buf_size = resp.u.queue_attr.inline_buf_size;
495 result->max_sq_sge = resp.u.queue_attr.max_wr_send_sges;
496 result->max_rq_sge = resp.u.queue_attr.max_wr_recv_sges;
497 result->max_mr = resp.u.queue_attr.max_mr;
498 result->max_mr_pages = resp.u.queue_attr.max_mr_pages;
499 result->max_pd = resp.u.queue_attr.max_pd;
500 result->max_ah = resp.u.queue_attr.max_ah;
501 result->max_llq_size = resp.u.queue_attr.max_llq_size;
502 result->sub_cqs_per_cq = resp.u.queue_attr.sub_cqs_per_cq;
503
504 return 0;
505}
506
507int efa_com_get_hw_hints(struct efa_com_dev *edev,
508 struct efa_com_get_hw_hints_result *result)
509{
510 struct efa_admin_get_feature_resp resp;
511 int err;
512
513 err = efa_com_get_feature(edev, &resp, EFA_ADMIN_HW_HINTS);
514 if (err) {
515 ibdev_err_ratelimited(edev->efa_dev,
516 "Failed to get hw hints %d\n", err);
517 return err;
518 }
519
520 result->admin_completion_timeout = resp.u.hw_hints.admin_completion_timeout;
521 result->driver_watchdog_timeout = resp.u.hw_hints.driver_watchdog_timeout;
522 result->mmio_read_timeout = resp.u.hw_hints.mmio_read_timeout;
523 result->poll_interval = resp.u.hw_hints.poll_interval;
524
525 return 0;
526}
527
528static int efa_com_set_feature_ex(struct efa_com_dev *edev,
529 struct efa_admin_set_feature_resp *set_resp,
530 struct efa_admin_set_feature_cmd *set_cmd,
531 enum efa_admin_aq_feature_id feature_id,
532 dma_addr_t control_buf_dma_addr,
533 u32 control_buff_size)
534{
535 struct efa_com_admin_queue *aq;
536 int err;
537
538 if (!efa_com_check_supported_feature_id(edev, feature_id)) {
539 ibdev_err_ratelimited(edev->efa_dev,
540 "Feature %d isn't supported\n",
541 feature_id);
542 return -EOPNOTSUPP;
543 }
544
545 aq = &edev->aq;
546
547 set_cmd->aq_common_descriptor.opcode = EFA_ADMIN_SET_FEATURE;
548 if (control_buff_size) {
549 set_cmd->aq_common_descriptor.flags =
550 EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT_MASK;
551 efa_com_set_dma_addr(control_buf_dma_addr,
552 &set_cmd->control_buffer.address.mem_addr_high,
553 &set_cmd->control_buffer.address.mem_addr_low);
554 }
555
556 set_cmd->control_buffer.length = control_buff_size;
557 set_cmd->feature_common.feature_id = feature_id;
558 err = efa_com_cmd_exec(aq,
559 (struct efa_admin_aq_entry *)set_cmd,
560 sizeof(*set_cmd),
561 (struct efa_admin_acq_entry *)set_resp,
562 sizeof(*set_resp));
563
564 if (err) {
565 ibdev_err_ratelimited(
566 edev->efa_dev,
567 "Failed to submit set_feature command %d error: %d\n",
568 feature_id, err);
569 return err;
570 }
571
572 return 0;
573}
574
575static int efa_com_set_feature(struct efa_com_dev *edev,
576 struct efa_admin_set_feature_resp *set_resp,
577 struct efa_admin_set_feature_cmd *set_cmd,
578 enum efa_admin_aq_feature_id feature_id)
579{
580 return efa_com_set_feature_ex(edev, set_resp, set_cmd, feature_id,
581 0, 0);
582}
583
584int efa_com_set_aenq_config(struct efa_com_dev *edev, u32 groups)
585{
586 struct efa_admin_get_feature_resp get_resp;
587 struct efa_admin_set_feature_resp set_resp;
588 struct efa_admin_set_feature_cmd cmd = {};
589 int err;
590
591 ibdev_dbg(edev->efa_dev, "Configuring aenq with groups[%#x]\n", groups);
592
593 err = efa_com_get_feature(edev, &get_resp, EFA_ADMIN_AENQ_CONFIG);
594 if (err) {
595 ibdev_err_ratelimited(edev->efa_dev,
596 "Failed to get aenq attributes: %d\n",
597 err);
598 return err;
599 }
600
601 ibdev_dbg(edev->efa_dev,
602 "Get aenq groups: supported[%#x] enabled[%#x]\n",
603 get_resp.u.aenq.supported_groups,
604 get_resp.u.aenq.enabled_groups);
605
606 if ((get_resp.u.aenq.supported_groups & groups) != groups) {
607 ibdev_err_ratelimited(
608 edev->efa_dev,
609 "Trying to set unsupported aenq groups[%#x] supported[%#x]\n",
610 groups, get_resp.u.aenq.supported_groups);
611 return -EOPNOTSUPP;
612 }
613
614 cmd.u.aenq.enabled_groups = groups;
615 err = efa_com_set_feature(edev, &set_resp, &cmd,
616 EFA_ADMIN_AENQ_CONFIG);
617 if (err) {
618 ibdev_err_ratelimited(edev->efa_dev,
619 "Failed to set aenq attributes: %d\n",
620 err);
621 return err;
622 }
623
624 return 0;
625}
626
627int efa_com_alloc_pd(struct efa_com_dev *edev,
628 struct efa_com_alloc_pd_result *result)
629{
630 struct efa_com_admin_queue *aq = &edev->aq;
631 struct efa_admin_alloc_pd_cmd cmd = {};
632 struct efa_admin_alloc_pd_resp resp;
633 int err;
634
635 cmd.aq_common_descriptor.opcode = EFA_ADMIN_ALLOC_PD;
636
637 err = efa_com_cmd_exec(aq,
638 (struct efa_admin_aq_entry *)&cmd,
639 sizeof(cmd),
640 (struct efa_admin_acq_entry *)&resp,
641 sizeof(resp));
642 if (err) {
643 ibdev_err_ratelimited(edev->efa_dev,
644 "Failed to allocate pd[%d]\n", err);
645 return err;
646 }
647
648 result->pdn = resp.pd;
649
650 return 0;
651}
652
653int efa_com_dealloc_pd(struct efa_com_dev *edev,
654 struct efa_com_dealloc_pd_params *params)
655{
656 struct efa_com_admin_queue *aq = &edev->aq;
657 struct efa_admin_dealloc_pd_cmd cmd = {};
658 struct efa_admin_dealloc_pd_resp resp;
659 int err;
660
661 cmd.aq_common_descriptor.opcode = EFA_ADMIN_DEALLOC_PD;
662 cmd.pd = params->pdn;
663
664 err = efa_com_cmd_exec(aq,
665 (struct efa_admin_aq_entry *)&cmd,
666 sizeof(cmd),
667 (struct efa_admin_acq_entry *)&resp,
668 sizeof(resp));
669 if (err) {
670 ibdev_err_ratelimited(edev->efa_dev,
671 "Failed to deallocate pd-%u [%d]\n",
672 cmd.pd, err);
673 return err;
674 }
675
676 return 0;
677}
678
679int efa_com_alloc_uar(struct efa_com_dev *edev,
680 struct efa_com_alloc_uar_result *result)
681{
682 struct efa_com_admin_queue *aq = &edev->aq;
683 struct efa_admin_alloc_uar_cmd cmd = {};
684 struct efa_admin_alloc_uar_resp resp;
685 int err;
686
687 cmd.aq_common_descriptor.opcode = EFA_ADMIN_ALLOC_UAR;
688
689 err = efa_com_cmd_exec(aq,
690 (struct efa_admin_aq_entry *)&cmd,
691 sizeof(cmd),
692 (struct efa_admin_acq_entry *)&resp,
693 sizeof(resp));
694 if (err) {
695 ibdev_err_ratelimited(edev->efa_dev,
696 "Failed to allocate uar[%d]\n", err);
697 return err;
698 }
699
700 result->uarn = resp.uar;
701
702 return 0;
703}
704
705int efa_com_dealloc_uar(struct efa_com_dev *edev,
706 struct efa_com_dealloc_uar_params *params)
707{
708 struct efa_com_admin_queue *aq = &edev->aq;
709 struct efa_admin_dealloc_uar_cmd cmd = {};
710 struct efa_admin_dealloc_uar_resp resp;
711 int err;
712
713 cmd.aq_common_descriptor.opcode = EFA_ADMIN_DEALLOC_UAR;
714 cmd.uar = params->uarn;
715
716 err = efa_com_cmd_exec(aq,
717 (struct efa_admin_aq_entry *)&cmd,
718 sizeof(cmd),
719 (struct efa_admin_acq_entry *)&resp,
720 sizeof(resp));
721 if (err) {
722 ibdev_err_ratelimited(edev->efa_dev,
723 "Failed to deallocate uar-%u [%d]\n",
724 cmd.uar, err);
725 return err;
726 }
727
728 return 0;
729}
730
731int efa_com_get_stats(struct efa_com_dev *edev,
732 struct efa_com_get_stats_params *params,
733 union efa_com_get_stats_result *result)
734{
735 struct efa_com_admin_queue *aq = &edev->aq;
736 struct efa_admin_aq_get_stats_cmd cmd = {};
737 struct efa_admin_acq_get_stats_resp resp;
738 int err;
739
740 cmd.aq_common_descriptor.opcode = EFA_ADMIN_GET_STATS;
741 cmd.type = params->type;
742 cmd.scope = params->scope;
743 cmd.scope_modifier = params->scope_modifier;
744
745 err = efa_com_cmd_exec(aq,
746 (struct efa_admin_aq_entry *)&cmd,
747 sizeof(cmd),
748 (struct efa_admin_acq_entry *)&resp,
749 sizeof(resp));
750 if (err) {
751 ibdev_err_ratelimited(
752 edev->efa_dev,
753 "Failed to get stats type-%u scope-%u.%u [%d]\n",
754 cmd.type, cmd.scope, cmd.scope_modifier, err);
755 return err;
756 }
757
758 result->basic_stats.tx_bytes = resp.basic_stats.tx_bytes;
759 result->basic_stats.tx_pkts = resp.basic_stats.tx_pkts;
760 result->basic_stats.rx_bytes = resp.basic_stats.rx_bytes;
761 result->basic_stats.rx_pkts = resp.basic_stats.rx_pkts;
762 result->basic_stats.rx_drops = resp.basic_stats.rx_drops;
763
764 return 0;
765}