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
efa_com_create_qp(struct efa_com_dev * edev,struct efa_com_create_qp_params * params,struct efa_com_create_qp_result * res)9 int efa_com_create_qp(struct efa_com_dev *edev,
10 struct efa_com_create_qp_params *params,
11 struct efa_com_create_qp_result *res)
12 {
13 struct efa_admin_create_qp_cmd create_qp_cmd = {};
14 struct efa_admin_create_qp_resp cmd_completion;
15 struct efa_com_admin_queue *aq = &edev->aq;
16 int err;
17
18 create_qp_cmd.aq_common_desc.opcode = EFA_ADMIN_CREATE_QP;
19
20 create_qp_cmd.pd = params->pd;
21 create_qp_cmd.qp_type = params->qp_type;
22 create_qp_cmd.rq_base_addr = params->rq_base_addr;
23 create_qp_cmd.send_cq_idx = params->send_cq_idx;
24 create_qp_cmd.recv_cq_idx = params->recv_cq_idx;
25 create_qp_cmd.qp_alloc_size.send_queue_ring_size =
26 params->sq_ring_size_in_bytes;
27 create_qp_cmd.qp_alloc_size.send_queue_depth =
28 params->sq_depth;
29 create_qp_cmd.qp_alloc_size.recv_queue_ring_size =
30 params->rq_ring_size_in_bytes;
31 create_qp_cmd.qp_alloc_size.recv_queue_depth =
32 params->rq_depth;
33 create_qp_cmd.uar = params->uarn;
34
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
efa_com_modify_qp(struct efa_com_dev * edev,struct efa_com_modify_qp_params * params)57 int 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
efa_com_query_qp(struct efa_com_dev * edev,struct efa_com_query_qp_params * params,struct efa_com_query_qp_result * result)91 int 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
efa_com_destroy_qp(struct efa_com_dev * edev,struct efa_com_destroy_qp_params * params)124 int 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
efa_com_create_cq(struct efa_com_dev * edev,struct efa_com_create_cq_params * params,struct efa_com_create_cq_result * result)150 int 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
efa_com_destroy_cq(struct efa_com_dev * edev,struct efa_com_destroy_cq_params * params)199 int 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
efa_com_register_mr(struct efa_com_dev * edev,struct efa_com_reg_mr_params * params,struct efa_com_reg_mr_result * result)226 int 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
efa_com_dereg_mr(struct efa_com_dev * edev,struct efa_com_dereg_mr_params * params)277 int 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
efa_com_create_ah(struct efa_com_dev * edev,struct efa_com_create_ah_params * params,struct efa_com_create_ah_result * result)303 int 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
efa_com_destroy_ah(struct efa_com_dev * edev,struct efa_com_destroy_ah_params * params)334 int 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
361 bool
efa_com_check_supported_feature_id(struct efa_com_dev * edev,enum efa_admin_aq_feature_id feature_id)362 efa_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
efa_com_get_feature_ex(struct efa_com_dev * edev,struct efa_admin_get_feature_resp * get_resp,enum efa_admin_aq_feature_id feature_id,dma_addr_t control_buf_dma_addr,u32 control_buff_size)375 static 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
efa_com_get_feature(struct efa_com_dev * edev,struct efa_admin_get_feature_resp * get_resp,enum efa_admin_aq_feature_id feature_id)425 static 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
efa_com_get_device_attr(struct efa_com_dev * edev,struct efa_com_get_device_attr_result * result)432 int 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
efa_com_get_hw_hints(struct efa_com_dev * edev,struct efa_com_get_hw_hints_result * result)525 int 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
efa_com_set_feature_ex(struct efa_com_dev * edev,struct efa_admin_set_feature_resp * set_resp,struct efa_admin_set_feature_cmd * set_cmd,enum efa_admin_aq_feature_id feature_id,dma_addr_t control_buf_dma_addr,u32 control_buff_size)546 int 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
efa_com_set_feature(struct efa_com_dev * edev,struct efa_admin_set_feature_resp * set_resp,struct efa_admin_set_feature_cmd * set_cmd,enum efa_admin_aq_feature_id feature_id)594 static 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
efa_com_set_aenq_config(struct efa_com_dev * edev,u32 groups)603 int 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
efa_com_alloc_pd(struct efa_com_dev * edev,struct efa_com_alloc_pd_result * result)646 int 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
efa_com_dealloc_pd(struct efa_com_dev * edev,struct efa_com_dealloc_pd_params * params)672 int 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
efa_com_alloc_uar(struct efa_com_dev * edev,struct efa_com_alloc_uar_result * result)698 int 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
efa_com_dealloc_uar(struct efa_com_dev * edev,struct efa_com_dealloc_uar_params * params)724 int 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
efa_com_get_stats(struct efa_com_dev * edev,struct efa_com_get_stats_params * params,union efa_com_get_stats_result * result)750 int 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 }
801