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 2018-2021 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
274 return 0;
275}
276
277int efa_com_dereg_mr(struct efa_com_dev *edev,
278 struct efa_com_dereg_mr_params *params)
279{
280 struct efa_admin_dereg_mr_resp cmd_completion;
281 struct efa_com_admin_queue *aq = &edev->aq;
282 struct efa_admin_dereg_mr_cmd mr_cmd = {};
283 int err;
284
285 mr_cmd.aq_common_desc.opcode = EFA_ADMIN_DEREG_MR;
286 mr_cmd.l_key = params->l_key;
287
288 err = efa_com_cmd_exec(aq,
289 (struct efa_admin_aq_entry *)&mr_cmd,
290 sizeof(mr_cmd),
291 (struct efa_admin_acq_entry *)&cmd_completion,
292 sizeof(cmd_completion));
293 if (err) {
294 ibdev_err_ratelimited(edev->efa_dev,
295 "Failed to de-register mr(lkey-%u) [%d]\n",
296 mr_cmd.l_key, err);
297 return err;
298 }
299
300 return 0;
301}
302
303int efa_com_create_ah(struct efa_com_dev *edev,
304 struct efa_com_create_ah_params *params,
305 struct efa_com_create_ah_result *result)
306{
307 struct efa_admin_create_ah_resp cmd_completion;
308 struct efa_com_admin_queue *aq = &edev->aq;
309 struct efa_admin_create_ah_cmd ah_cmd = {};
310 int err;
311
312 ah_cmd.aq_common_desc.opcode = EFA_ADMIN_CREATE_AH;
313
314 memcpy(ah_cmd.dest_addr, params->dest_addr, sizeof(ah_cmd.dest_addr));
315 ah_cmd.pd = params->pdn;
316
317 err = efa_com_cmd_exec(aq,
318 (struct efa_admin_aq_entry *)&ah_cmd,
319 sizeof(ah_cmd),
320 (struct efa_admin_acq_entry *)&cmd_completion,
321 sizeof(cmd_completion));
322 if (err) {
323 ibdev_err_ratelimited(edev->efa_dev,
324 "Failed to create ah for %pI6 [%d]\n",
325 ah_cmd.dest_addr, err);
326 return err;
327 }
328
329 result->ah = cmd_completion.ah;
330
331 return 0;
332}
333
334int efa_com_destroy_ah(struct efa_com_dev *edev,
335 struct efa_com_destroy_ah_params *params)
336{
337 struct efa_admin_destroy_ah_resp cmd_completion;
338 struct efa_admin_destroy_ah_cmd ah_cmd = {};
339 struct efa_com_admin_queue *aq = &edev->aq;
340 int err;
341
342 ah_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_AH;
343 ah_cmd.ah = params->ah;
344 ah_cmd.pd = params->pdn;
345
346 err = efa_com_cmd_exec(aq,
347 (struct efa_admin_aq_entry *)&ah_cmd,
348 sizeof(ah_cmd),
349 (struct efa_admin_acq_entry *)&cmd_completion,
350 sizeof(cmd_completion));
351 if (err) {
352 ibdev_err_ratelimited(edev->efa_dev,
353 "Failed to destroy ah-%d pd-%d [%d]\n",
354 ah_cmd.ah, ah_cmd.pd, err);
355 return err;
356 }
357
358 return 0;
359}
360
361bool
362efa_com_check_supported_feature_id(struct efa_com_dev *edev,
363 enum efa_admin_aq_feature_id feature_id)
364{
365 u32 feature_mask = 1 << feature_id;
366
367 /* Device attributes is always supported */
368 if (feature_id != EFA_ADMIN_DEVICE_ATTR &&
369 !(edev->supported_features & feature_mask))
370 return false;
371
372 return true;
373}
374
375static int efa_com_get_feature_ex(struct efa_com_dev *edev,
376 struct efa_admin_get_feature_resp *get_resp,
377 enum efa_admin_aq_feature_id feature_id,
378 dma_addr_t control_buf_dma_addr,
379 u32 control_buff_size)
380{
381 struct efa_admin_get_feature_cmd get_cmd = {};
382 struct efa_com_admin_queue *aq;
383 int err;
384
385 if (!efa_com_check_supported_feature_id(edev, feature_id)) {
386 ibdev_err_ratelimited(edev->efa_dev,
387 "Feature %d isn't supported\n",
388 feature_id);
389 return -EOPNOTSUPP;
390 }
391
392 aq = &edev->aq;
393
394 get_cmd.aq_common_descriptor.opcode = EFA_ADMIN_GET_FEATURE;
395
396 if (control_buff_size)
397 EFA_SET(&get_cmd.aq_common_descriptor.flags,
398 EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA, 1);
399
400 efa_com_set_dma_addr(control_buf_dma_addr,
401 &get_cmd.control_buffer.address.mem_addr_high,
402 &get_cmd.control_buffer.address.mem_addr_low);
403
404 get_cmd.control_buffer.length = control_buff_size;
405 get_cmd.feature_common.feature_id = feature_id;
406 err = efa_com_cmd_exec(aq,
407 (struct efa_admin_aq_entry *)
408 &get_cmd,
409 sizeof(get_cmd),
410 (struct efa_admin_acq_entry *)
411 get_resp,
412 sizeof(*get_resp));
413
414 if (err) {
415 ibdev_err_ratelimited(
416 edev->efa_dev,
417 "Failed to submit get_feature command %d [%d]\n",
418 feature_id, err);
419 return err;
420 }
421
422 return 0;
423}
424
425static int efa_com_get_feature(struct efa_com_dev *edev,
426 struct efa_admin_get_feature_resp *get_resp,
427 enum efa_admin_aq_feature_id feature_id)
428{
429 return efa_com_get_feature_ex(edev, get_resp, feature_id, 0, 0);
430}
431
432int efa_com_get_device_attr(struct efa_com_dev *edev,
433 struct efa_com_get_device_attr_result *result)
434{
435 struct efa_admin_get_feature_resp resp;
436 int err;
437
438 err = efa_com_get_feature(edev, &resp, EFA_ADMIN_DEVICE_ATTR);
439 if (err) {
440 ibdev_err_ratelimited(edev->efa_dev,
441 "Failed to get device attributes %d\n",
442 err);
443 return err;
444 }
445
446 result->page_size_cap = resp.u.device_attr.page_size_cap;
447 result->fw_version = resp.u.device_attr.fw_version;
448 result->admin_api_version = resp.u.device_attr.admin_api_version;
449 result->device_version = resp.u.device_attr.device_version;
450 result->supported_features = resp.u.device_attr.supported_features;
451 result->phys_addr_width = resp.u.device_attr.phys_addr_width;
452 result->virt_addr_width = resp.u.device_attr.virt_addr_width;
453 result->db_bar = resp.u.device_attr.db_bar;
454 result->max_rdma_size = resp.u.device_attr.max_rdma_size;
455 result->device_caps = resp.u.device_attr.device_caps;
456
457 if (result->admin_api_version < 1) {
458 ibdev_err_ratelimited(
459 edev->efa_dev,
460 "Failed to get device attr api version [%u < 1]\n",
461 result->admin_api_version);
462 return -EINVAL;
463 }
464
465 edev->supported_features = resp.u.device_attr.supported_features;
466 err = efa_com_get_feature(edev, &resp,
467 EFA_ADMIN_QUEUE_ATTR);
468 if (err) {
469 ibdev_err_ratelimited(edev->efa_dev,
470 "Failed to get queue attributes %d\n",
471 err);
472 return err;
473 }
474
475 result->max_qp = resp.u.queue_attr.max_qp;
476 result->max_sq_depth = resp.u.queue_attr.max_sq_depth;
477 result->max_rq_depth = resp.u.queue_attr.max_rq_depth;
478 result->max_cq = resp.u.queue_attr.max_cq;
479 result->max_cq_depth = resp.u.queue_attr.max_cq_depth;
480 result->inline_buf_size = resp.u.queue_attr.inline_buf_size;
481 result->max_sq_sge = resp.u.queue_attr.max_wr_send_sges;
482 result->max_rq_sge = resp.u.queue_attr.max_wr_recv_sges;
483 result->max_mr = resp.u.queue_attr.max_mr;
484 result->max_mr_pages = resp.u.queue_attr.max_mr_pages;
485 result->max_pd = resp.u.queue_attr.max_pd;
486 result->max_ah = resp.u.queue_attr.max_ah;
487 result->max_llq_size = resp.u.queue_attr.max_llq_size;
488 result->sub_cqs_per_cq = resp.u.queue_attr.sub_cqs_per_cq;
489 result->max_wr_rdma_sge = resp.u.queue_attr.max_wr_rdma_sges;
490 result->max_tx_batch = resp.u.queue_attr.max_tx_batch;
491 result->min_sq_depth = resp.u.queue_attr.min_sq_depth;
492
493 err = efa_com_get_feature(edev, &resp, EFA_ADMIN_NETWORK_ATTR);
494 if (err) {
495 ibdev_err_ratelimited(edev->efa_dev,
496 "Failed to get network attributes %d\n",
497 err);
498 return err;
499 }
500
501 memcpy(result->addr, resp.u.network_attr.addr,
502 sizeof(resp.u.network_attr.addr));
503 result->mtu = resp.u.network_attr.mtu;
504
505 if (efa_com_check_supported_feature_id(edev,
506 EFA_ADMIN_EVENT_QUEUE_ATTR)) {
507 err = efa_com_get_feature(edev, &resp,
508 EFA_ADMIN_EVENT_QUEUE_ATTR);
509 if (err) {
510 ibdev_err_ratelimited(
511 edev->efa_dev,
512 "Failed to get event queue attributes %d\n",
513 err);
514 return err;
515 }
516
517 result->max_eq = resp.u.event_queue_attr.max_eq;
518 result->max_eq_depth = resp.u.event_queue_attr.max_eq_depth;
519 result->event_bitmask = resp.u.event_queue_attr.event_bitmask;
520 }
521
522 return 0;
523}
524
525int efa_com_get_hw_hints(struct efa_com_dev *edev,
526 struct efa_com_get_hw_hints_result *result)
527{
528 struct efa_admin_get_feature_resp resp;
529 int err;
530
531 err = efa_com_get_feature(edev, &resp, EFA_ADMIN_HW_HINTS);
532 if (err) {
533 ibdev_err_ratelimited(edev->efa_dev,
534 "Failed to get hw hints %d\n", err);
535 return err;
536 }
537
538 result->admin_completion_timeout = resp.u.hw_hints.admin_completion_timeout;
539 result->driver_watchdog_timeout = resp.u.hw_hints.driver_watchdog_timeout;
540 result->mmio_read_timeout = resp.u.hw_hints.mmio_read_timeout;
541 result->poll_interval = resp.u.hw_hints.poll_interval;
542
543 return 0;
544}
545
546int efa_com_set_feature_ex(struct efa_com_dev *edev,
547 struct efa_admin_set_feature_resp *set_resp,
548 struct efa_admin_set_feature_cmd *set_cmd,
549 enum efa_admin_aq_feature_id feature_id,
550 dma_addr_t control_buf_dma_addr,
551 u32 control_buff_size)
552{
553 struct efa_com_admin_queue *aq;
554 int err;
555
556 if (!efa_com_check_supported_feature_id(edev, feature_id)) {
557 ibdev_err_ratelimited(edev->efa_dev,
558 "Feature %d isn't supported\n",
559 feature_id);
560 return -EOPNOTSUPP;
561 }
562
563 aq = &edev->aq;
564
565 set_cmd->aq_common_descriptor.opcode = EFA_ADMIN_SET_FEATURE;
566 if (control_buff_size) {
567 set_cmd->aq_common_descriptor.flags = 0;
568 EFA_SET(&set_cmd->aq_common_descriptor.flags,
569 EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA, 1);
570 efa_com_set_dma_addr(control_buf_dma_addr,
571 &set_cmd->control_buffer.address.mem_addr_high,
572 &set_cmd->control_buffer.address.mem_addr_low);
573 }
574
575 set_cmd->control_buffer.length = control_buff_size;
576 set_cmd->feature_common.feature_id = feature_id;
577 err = efa_com_cmd_exec(aq,
578 (struct efa_admin_aq_entry *)set_cmd,
579 sizeof(*set_cmd),
580 (struct efa_admin_acq_entry *)set_resp,
581 sizeof(*set_resp));
582
583 if (err) {
584 ibdev_err_ratelimited(
585 edev->efa_dev,
586 "Failed to submit set_feature command %d error: %d\n",
587 feature_id, err);
588 return err;
589 }
590
591 return 0;
592}
593
594static int efa_com_set_feature(struct efa_com_dev *edev,
595 struct efa_admin_set_feature_resp *set_resp,
596 struct efa_admin_set_feature_cmd *set_cmd,
597 enum efa_admin_aq_feature_id feature_id)
598{
599 return efa_com_set_feature_ex(edev, set_resp, set_cmd, feature_id,
600 0, 0);
601}
602
603int efa_com_set_aenq_config(struct efa_com_dev *edev, u32 groups)
604{
605 struct efa_admin_get_feature_resp get_resp;
606 struct efa_admin_set_feature_resp set_resp;
607 struct efa_admin_set_feature_cmd cmd = {};
608 int err;
609
610 ibdev_dbg(edev->efa_dev, "Configuring aenq with groups[%#x]\n", groups);
611
612 err = efa_com_get_feature(edev, &get_resp, EFA_ADMIN_AENQ_CONFIG);
613 if (err) {
614 ibdev_err_ratelimited(edev->efa_dev,
615 "Failed to get aenq attributes: %d\n",
616 err);
617 return err;
618 }
619
620 ibdev_dbg(edev->efa_dev,
621 "Get aenq groups: supported[%#x] enabled[%#x]\n",
622 get_resp.u.aenq.supported_groups,
623 get_resp.u.aenq.enabled_groups);
624
625 if ((get_resp.u.aenq.supported_groups & groups) != groups) {
626 ibdev_err_ratelimited(
627 edev->efa_dev,
628 "Trying to set unsupported aenq groups[%#x] supported[%#x]\n",
629 groups, get_resp.u.aenq.supported_groups);
630 return -EOPNOTSUPP;
631 }
632
633 cmd.u.aenq.enabled_groups = groups;
634 err = efa_com_set_feature(edev, &set_resp, &cmd,
635 EFA_ADMIN_AENQ_CONFIG);
636 if (err) {
637 ibdev_err_ratelimited(edev->efa_dev,
638 "Failed to set aenq attributes: %d\n",
639 err);
640 return err;
641 }
642
643 return 0;
644}
645
646int efa_com_alloc_pd(struct efa_com_dev *edev,
647 struct efa_com_alloc_pd_result *result)
648{
649 struct efa_com_admin_queue *aq = &edev->aq;
650 struct efa_admin_alloc_pd_cmd cmd = {};
651 struct efa_admin_alloc_pd_resp resp;
652 int err;
653
654 cmd.aq_common_descriptor.opcode = EFA_ADMIN_ALLOC_PD;
655
656 err = efa_com_cmd_exec(aq,
657 (struct efa_admin_aq_entry *)&cmd,
658 sizeof(cmd),
659 (struct efa_admin_acq_entry *)&resp,
660 sizeof(resp));
661 if (err) {
662 ibdev_err_ratelimited(edev->efa_dev,
663 "Failed to allocate pd[%d]\n", err);
664 return err;
665 }
666
667 result->pdn = resp.pd;
668
669 return 0;
670}
671
672int efa_com_dealloc_pd(struct efa_com_dev *edev,
673 struct efa_com_dealloc_pd_params *params)
674{
675 struct efa_com_admin_queue *aq = &edev->aq;
676 struct efa_admin_dealloc_pd_cmd cmd = {};
677 struct efa_admin_dealloc_pd_resp resp;
678 int err;
679
680 cmd.aq_common_descriptor.opcode = EFA_ADMIN_DEALLOC_PD;
681 cmd.pd = params->pdn;
682
683 err = efa_com_cmd_exec(aq,
684 (struct efa_admin_aq_entry *)&cmd,
685 sizeof(cmd),
686 (struct efa_admin_acq_entry *)&resp,
687 sizeof(resp));
688 if (err) {
689 ibdev_err_ratelimited(edev->efa_dev,
690 "Failed to deallocate pd-%u [%d]\n",
691 cmd.pd, err);
692 return err;
693 }
694
695 return 0;
696}
697
698int efa_com_alloc_uar(struct efa_com_dev *edev,
699 struct efa_com_alloc_uar_result *result)
700{
701 struct efa_com_admin_queue *aq = &edev->aq;
702 struct efa_admin_alloc_uar_cmd cmd = {};
703 struct efa_admin_alloc_uar_resp resp;
704 int err;
705
706 cmd.aq_common_descriptor.opcode = EFA_ADMIN_ALLOC_UAR;
707
708 err = efa_com_cmd_exec(aq,
709 (struct efa_admin_aq_entry *)&cmd,
710 sizeof(cmd),
711 (struct efa_admin_acq_entry *)&resp,
712 sizeof(resp));
713 if (err) {
714 ibdev_err_ratelimited(edev->efa_dev,
715 "Failed to allocate uar[%d]\n", err);
716 return err;
717 }
718
719 result->uarn = resp.uar;
720
721 return 0;
722}
723
724int efa_com_dealloc_uar(struct efa_com_dev *edev,
725 struct efa_com_dealloc_uar_params *params)
726{
727 struct efa_com_admin_queue *aq = &edev->aq;
728 struct efa_admin_dealloc_uar_cmd cmd = {};
729 struct efa_admin_dealloc_uar_resp resp;
730 int err;
731
732 cmd.aq_common_descriptor.opcode = EFA_ADMIN_DEALLOC_UAR;
733 cmd.uar = params->uarn;
734
735 err = efa_com_cmd_exec(aq,
736 (struct efa_admin_aq_entry *)&cmd,
737 sizeof(cmd),
738 (struct efa_admin_acq_entry *)&resp,
739 sizeof(resp));
740 if (err) {
741 ibdev_err_ratelimited(edev->efa_dev,
742 "Failed to deallocate uar-%u [%d]\n",
743 cmd.uar, err);
744 return err;
745 }
746
747 return 0;
748}
749
750int efa_com_get_stats(struct efa_com_dev *edev,
751 struct efa_com_get_stats_params *params,
752 union efa_com_get_stats_result *result)
753{
754 struct efa_com_admin_queue *aq = &edev->aq;
755 struct efa_admin_aq_get_stats_cmd cmd = {};
756 struct efa_admin_acq_get_stats_resp resp;
757 int err;
758
759 cmd.aq_common_descriptor.opcode = EFA_ADMIN_GET_STATS;
760 cmd.type = params->type;
761 cmd.scope = params->scope;
762 cmd.scope_modifier = params->scope_modifier;
763
764 err = efa_com_cmd_exec(aq,
765 (struct efa_admin_aq_entry *)&cmd,
766 sizeof(cmd),
767 (struct efa_admin_acq_entry *)&resp,
768 sizeof(resp));
769 if (err) {
770 ibdev_err_ratelimited(
771 edev->efa_dev,
772 "Failed to get stats type-%u scope-%u.%u [%d]\n",
773 cmd.type, cmd.scope, cmd.scope_modifier, err);
774 return err;
775 }
776
777 switch (cmd.type) {
778 case EFA_ADMIN_GET_STATS_TYPE_BASIC:
779 result->basic_stats.tx_bytes = resp.u.basic_stats.tx_bytes;
780 result->basic_stats.tx_pkts = resp.u.basic_stats.tx_pkts;
781 result->basic_stats.rx_bytes = resp.u.basic_stats.rx_bytes;
782 result->basic_stats.rx_pkts = resp.u.basic_stats.rx_pkts;
783 result->basic_stats.rx_drops = resp.u.basic_stats.rx_drops;
784 break;
785 case EFA_ADMIN_GET_STATS_TYPE_MESSAGES:
786 result->messages_stats.send_bytes = resp.u.messages_stats.send_bytes;
787 result->messages_stats.send_wrs = resp.u.messages_stats.send_wrs;
788 result->messages_stats.recv_bytes = resp.u.messages_stats.recv_bytes;
789 result->messages_stats.recv_wrs = resp.u.messages_stats.recv_wrs;
790 break;
791 case EFA_ADMIN_GET_STATS_TYPE_RDMA_READ:
792 result->rdma_read_stats.read_wrs = resp.u.rdma_read_stats.read_wrs;
793 result->rdma_read_stats.read_bytes = resp.u.rdma_read_stats.read_bytes;
794 result->rdma_read_stats.read_wr_err = resp.u.rdma_read_stats.read_wr_err;
795 result->rdma_read_stats.read_resp_bytes = resp.u.rdma_read_stats.read_resp_bytes;
796 break;
797 }
798
799 return 0;
800}