1 // SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
2 /*
3 * Copyright 2018-2020 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_set_dma_addr(dma_addr_t addr,u32 * addr_high,u32 * addr_low)9 void 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
efa_com_create_qp(struct efa_com_dev * edev,struct efa_com_create_qp_params * params,struct efa_com_create_qp_result * res)15 int 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
efa_com_modify_qp(struct efa_com_dev * edev,struct efa_com_modify_qp_params * params)63 int 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 cmd.rnr_retry = params->rnr_retry;
80
81 err = efa_com_cmd_exec(aq,
82 (struct efa_admin_aq_entry *)&cmd,
83 sizeof(cmd),
84 (struct efa_admin_acq_entry *)&resp,
85 sizeof(resp));
86 if (err) {
87 ibdev_err_ratelimited(
88 edev->efa_dev,
89 "Failed to modify qp-%u modify_mask[%#x] [%d]\n",
90 cmd.qp_handle, cmd.modify_mask, err);
91 return err;
92 }
93
94 return 0;
95 }
96
efa_com_query_qp(struct efa_com_dev * edev,struct efa_com_query_qp_params * params,struct efa_com_query_qp_result * result)97 int efa_com_query_qp(struct efa_com_dev *edev,
98 struct efa_com_query_qp_params *params,
99 struct efa_com_query_qp_result *result)
100 {
101 struct efa_com_admin_queue *aq = &edev->aq;
102 struct efa_admin_query_qp_cmd cmd = {};
103 struct efa_admin_query_qp_resp resp;
104 int err;
105
106 cmd.aq_common_desc.opcode = EFA_ADMIN_QUERY_QP;
107 cmd.qp_handle = params->qp_handle;
108
109 err = efa_com_cmd_exec(aq,
110 (struct efa_admin_aq_entry *)&cmd,
111 sizeof(cmd),
112 (struct efa_admin_acq_entry *)&resp,
113 sizeof(resp));
114 if (err) {
115 ibdev_err_ratelimited(edev->efa_dev,
116 "Failed to query qp-%u [%d]\n",
117 cmd.qp_handle, err);
118 return err;
119 }
120
121 result->qp_state = resp.qp_state;
122 result->qkey = resp.qkey;
123 result->sq_draining = resp.sq_draining;
124 result->sq_psn = resp.sq_psn;
125 result->rnr_retry = resp.rnr_retry;
126
127 return 0;
128 }
129
efa_com_destroy_qp(struct efa_com_dev * edev,struct efa_com_destroy_qp_params * params)130 int efa_com_destroy_qp(struct efa_com_dev *edev,
131 struct efa_com_destroy_qp_params *params)
132 {
133 struct efa_admin_destroy_qp_resp cmd_completion;
134 struct efa_admin_destroy_qp_cmd qp_cmd = {};
135 struct efa_com_admin_queue *aq = &edev->aq;
136 int err;
137
138 qp_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_QP;
139 qp_cmd.qp_handle = params->qp_handle;
140
141 err = efa_com_cmd_exec(aq,
142 (struct efa_admin_aq_entry *)&qp_cmd,
143 sizeof(qp_cmd),
144 (struct efa_admin_acq_entry *)&cmd_completion,
145 sizeof(cmd_completion));
146 if (err) {
147 ibdev_err_ratelimited(edev->efa_dev,
148 "Failed to destroy qp-%u [%d]\n",
149 qp_cmd.qp_handle, err);
150 return err;
151 }
152
153 return 0;
154 }
155
efa_com_create_cq(struct efa_com_dev * edev,struct efa_com_create_cq_params * params,struct efa_com_create_cq_result * result)156 int efa_com_create_cq(struct efa_com_dev *edev,
157 struct efa_com_create_cq_params *params,
158 struct efa_com_create_cq_result *result)
159 {
160 struct efa_admin_create_cq_resp cmd_completion;
161 struct efa_admin_create_cq_cmd create_cmd = {};
162 struct efa_com_admin_queue *aq = &edev->aq;
163 int err;
164
165 create_cmd.aq_common_desc.opcode = EFA_ADMIN_CREATE_CQ;
166 EFA_SET(&create_cmd.cq_caps_2,
167 EFA_ADMIN_CREATE_CQ_CMD_CQ_ENTRY_SIZE_WORDS,
168 params->entry_size_in_bytes / 4);
169 create_cmd.cq_depth = params->cq_depth;
170 create_cmd.num_sub_cqs = params->num_sub_cqs;
171 create_cmd.uar = params->uarn;
172
173 efa_com_set_dma_addr(params->dma_addr,
174 &create_cmd.cq_ba.mem_addr_high,
175 &create_cmd.cq_ba.mem_addr_low);
176
177 err = efa_com_cmd_exec(aq,
178 (struct efa_admin_aq_entry *)&create_cmd,
179 sizeof(create_cmd),
180 (struct efa_admin_acq_entry *)&cmd_completion,
181 sizeof(cmd_completion));
182 if (err) {
183 ibdev_err_ratelimited(edev->efa_dev,
184 "Failed to create cq[%d]\n", err);
185 return err;
186 }
187
188 result->cq_idx = cmd_completion.cq_idx;
189 result->actual_depth = params->cq_depth;
190
191 return 0;
192 }
193
efa_com_destroy_cq(struct efa_com_dev * edev,struct efa_com_destroy_cq_params * params)194 int efa_com_destroy_cq(struct efa_com_dev *edev,
195 struct efa_com_destroy_cq_params *params)
196 {
197 struct efa_admin_destroy_cq_cmd destroy_cmd = {};
198 struct efa_admin_destroy_cq_resp destroy_resp;
199 struct efa_com_admin_queue *aq = &edev->aq;
200 int err;
201
202 destroy_cmd.cq_idx = params->cq_idx;
203 destroy_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_CQ;
204
205 err = efa_com_cmd_exec(aq,
206 (struct efa_admin_aq_entry *)&destroy_cmd,
207 sizeof(destroy_cmd),
208 (struct efa_admin_acq_entry *)&destroy_resp,
209 sizeof(destroy_resp));
210
211 if (err) {
212 ibdev_err_ratelimited(edev->efa_dev,
213 "Failed to destroy CQ-%u [%d]\n",
214 params->cq_idx, err);
215 return err;
216 }
217
218 return 0;
219 }
220
efa_com_register_mr(struct efa_com_dev * edev,struct efa_com_reg_mr_params * params,struct efa_com_reg_mr_result * result)221 int efa_com_register_mr(struct efa_com_dev *edev,
222 struct efa_com_reg_mr_params *params,
223 struct efa_com_reg_mr_result *result)
224 {
225 struct efa_admin_reg_mr_resp cmd_completion;
226 struct efa_com_admin_queue *aq = &edev->aq;
227 struct efa_admin_reg_mr_cmd mr_cmd = {};
228 int err;
229
230 mr_cmd.aq_common_desc.opcode = EFA_ADMIN_REG_MR;
231 mr_cmd.pd = params->pd;
232 mr_cmd.mr_length = params->mr_length_in_bytes;
233 EFA_SET(&mr_cmd.flags, EFA_ADMIN_REG_MR_CMD_PHYS_PAGE_SIZE_SHIFT,
234 params->page_shift);
235 mr_cmd.iova = params->iova;
236 mr_cmd.permissions = params->permissions;
237
238 if (params->inline_pbl) {
239 memcpy(mr_cmd.pbl.inline_pbl_array,
240 params->pbl.inline_pbl_array,
241 sizeof(mr_cmd.pbl.inline_pbl_array));
242 } else {
243 mr_cmd.pbl.pbl.length = params->pbl.pbl.length;
244 mr_cmd.pbl.pbl.address.mem_addr_low =
245 params->pbl.pbl.address.mem_addr_low;
246 mr_cmd.pbl.pbl.address.mem_addr_high =
247 params->pbl.pbl.address.mem_addr_high;
248 EFA_SET(&mr_cmd.aq_common_desc.flags,
249 EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA, 1);
250 if (params->indirect)
251 EFA_SET(&mr_cmd.aq_common_desc.flags,
252 EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT, 1);
253 }
254
255 err = efa_com_cmd_exec(aq,
256 (struct efa_admin_aq_entry *)&mr_cmd,
257 sizeof(mr_cmd),
258 (struct efa_admin_acq_entry *)&cmd_completion,
259 sizeof(cmd_completion));
260 if (err) {
261 ibdev_err_ratelimited(edev->efa_dev,
262 "Failed to register mr [%d]\n", err);
263 return err;
264 }
265
266 result->l_key = cmd_completion.l_key;
267 result->r_key = cmd_completion.r_key;
268
269 return 0;
270 }
271
efa_com_dereg_mr(struct efa_com_dev * edev,struct efa_com_dereg_mr_params * params)272 int efa_com_dereg_mr(struct efa_com_dev *edev,
273 struct efa_com_dereg_mr_params *params)
274 {
275 struct efa_admin_dereg_mr_resp cmd_completion;
276 struct efa_com_admin_queue *aq = &edev->aq;
277 struct efa_admin_dereg_mr_cmd mr_cmd = {};
278 int err;
279
280 mr_cmd.aq_common_desc.opcode = EFA_ADMIN_DEREG_MR;
281 mr_cmd.l_key = params->l_key;
282
283 err = efa_com_cmd_exec(aq,
284 (struct efa_admin_aq_entry *)&mr_cmd,
285 sizeof(mr_cmd),
286 (struct efa_admin_acq_entry *)&cmd_completion,
287 sizeof(cmd_completion));
288 if (err) {
289 ibdev_err_ratelimited(edev->efa_dev,
290 "Failed to de-register mr(lkey-%u) [%d]\n",
291 mr_cmd.l_key, err);
292 return err;
293 }
294
295 return 0;
296 }
297
efa_com_create_ah(struct efa_com_dev * edev,struct efa_com_create_ah_params * params,struct efa_com_create_ah_result * result)298 int efa_com_create_ah(struct efa_com_dev *edev,
299 struct efa_com_create_ah_params *params,
300 struct efa_com_create_ah_result *result)
301 {
302 struct efa_admin_create_ah_resp cmd_completion;
303 struct efa_com_admin_queue *aq = &edev->aq;
304 struct efa_admin_create_ah_cmd ah_cmd = {};
305 int err;
306
307 ah_cmd.aq_common_desc.opcode = EFA_ADMIN_CREATE_AH;
308
309 memcpy(ah_cmd.dest_addr, params->dest_addr, sizeof(ah_cmd.dest_addr));
310 ah_cmd.pd = params->pdn;
311
312 err = efa_com_cmd_exec(aq,
313 (struct efa_admin_aq_entry *)&ah_cmd,
314 sizeof(ah_cmd),
315 (struct efa_admin_acq_entry *)&cmd_completion,
316 sizeof(cmd_completion));
317 if (err) {
318 ibdev_err_ratelimited(edev->efa_dev,
319 "Failed to create ah for %pI6 [%d]\n",
320 ah_cmd.dest_addr, err);
321 return err;
322 }
323
324 result->ah = cmd_completion.ah;
325
326 return 0;
327 }
328
efa_com_destroy_ah(struct efa_com_dev * edev,struct efa_com_destroy_ah_params * params)329 int efa_com_destroy_ah(struct efa_com_dev *edev,
330 struct efa_com_destroy_ah_params *params)
331 {
332 struct efa_admin_destroy_ah_resp cmd_completion;
333 struct efa_admin_destroy_ah_cmd ah_cmd = {};
334 struct efa_com_admin_queue *aq = &edev->aq;
335 int err;
336
337 ah_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_AH;
338 ah_cmd.ah = params->ah;
339 ah_cmd.pd = params->pdn;
340
341 err = efa_com_cmd_exec(aq,
342 (struct efa_admin_aq_entry *)&ah_cmd,
343 sizeof(ah_cmd),
344 (struct efa_admin_acq_entry *)&cmd_completion,
345 sizeof(cmd_completion));
346 if (err) {
347 ibdev_err_ratelimited(edev->efa_dev,
348 "Failed to destroy ah-%d pd-%d [%d]\n",
349 ah_cmd.ah, ah_cmd.pd, err);
350 return err;
351 }
352
353 return 0;
354 }
355
356 bool
efa_com_check_supported_feature_id(struct efa_com_dev * edev,enum efa_admin_aq_feature_id feature_id)357 efa_com_check_supported_feature_id(struct efa_com_dev *edev,
358 enum efa_admin_aq_feature_id feature_id)
359 {
360 u32 feature_mask = 1 << feature_id;
361
362 /* Device attributes is always supported */
363 if (feature_id != EFA_ADMIN_DEVICE_ATTR &&
364 !(edev->supported_features & feature_mask))
365 return false;
366
367 return true;
368 }
369
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)370 static int efa_com_get_feature_ex(struct efa_com_dev *edev,
371 struct efa_admin_get_feature_resp *get_resp,
372 enum efa_admin_aq_feature_id feature_id,
373 dma_addr_t control_buf_dma_addr,
374 u32 control_buff_size)
375 {
376 struct efa_admin_get_feature_cmd get_cmd = {};
377 struct efa_com_admin_queue *aq;
378 int err;
379
380 if (!efa_com_check_supported_feature_id(edev, feature_id)) {
381 ibdev_err_ratelimited(edev->efa_dev,
382 "Feature %d isn't supported\n",
383 feature_id);
384 return -EOPNOTSUPP;
385 }
386
387 aq = &edev->aq;
388
389 get_cmd.aq_common_descriptor.opcode = EFA_ADMIN_GET_FEATURE;
390
391 if (control_buff_size)
392 EFA_SET(&get_cmd.aq_common_descriptor.flags,
393 EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA, 1);
394
395 efa_com_set_dma_addr(control_buf_dma_addr,
396 &get_cmd.control_buffer.address.mem_addr_high,
397 &get_cmd.control_buffer.address.mem_addr_low);
398
399 get_cmd.control_buffer.length = control_buff_size;
400 get_cmd.feature_common.feature_id = feature_id;
401 err = efa_com_cmd_exec(aq,
402 (struct efa_admin_aq_entry *)
403 &get_cmd,
404 sizeof(get_cmd),
405 (struct efa_admin_acq_entry *)
406 get_resp,
407 sizeof(*get_resp));
408
409 if (err) {
410 ibdev_err_ratelimited(
411 edev->efa_dev,
412 "Failed to submit get_feature command %d [%d]\n",
413 feature_id, err);
414 return err;
415 }
416
417 return 0;
418 }
419
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)420 static int efa_com_get_feature(struct efa_com_dev *edev,
421 struct efa_admin_get_feature_resp *get_resp,
422 enum efa_admin_aq_feature_id feature_id)
423 {
424 return efa_com_get_feature_ex(edev, get_resp, feature_id, 0, 0);
425 }
426
efa_com_get_device_attr(struct efa_com_dev * edev,struct efa_com_get_device_attr_result * result)427 int efa_com_get_device_attr(struct efa_com_dev *edev,
428 struct efa_com_get_device_attr_result *result)
429 {
430 struct efa_admin_get_feature_resp resp;
431 int err;
432
433 err = efa_com_get_feature(edev, &resp, EFA_ADMIN_DEVICE_ATTR);
434 if (err) {
435 ibdev_err_ratelimited(edev->efa_dev,
436 "Failed to get device attributes %d\n",
437 err);
438 return err;
439 }
440
441 result->page_size_cap = resp.u.device_attr.page_size_cap;
442 result->fw_version = resp.u.device_attr.fw_version;
443 result->admin_api_version = resp.u.device_attr.admin_api_version;
444 result->device_version = resp.u.device_attr.device_version;
445 result->supported_features = resp.u.device_attr.supported_features;
446 result->phys_addr_width = resp.u.device_attr.phys_addr_width;
447 result->virt_addr_width = resp.u.device_attr.virt_addr_width;
448 result->db_bar = resp.u.device_attr.db_bar;
449 result->max_rdma_size = resp.u.device_attr.max_rdma_size;
450 result->device_caps = resp.u.device_attr.device_caps;
451
452 if (result->admin_api_version < 1) {
453 ibdev_err_ratelimited(
454 edev->efa_dev,
455 "Failed to get device attr api version [%u < 1]\n",
456 result->admin_api_version);
457 return -EINVAL;
458 }
459
460 edev->supported_features = resp.u.device_attr.supported_features;
461 err = efa_com_get_feature(edev, &resp,
462 EFA_ADMIN_QUEUE_ATTR);
463 if (err) {
464 ibdev_err_ratelimited(edev->efa_dev,
465 "Failed to get queue attributes %d\n",
466 err);
467 return err;
468 }
469
470 result->max_qp = resp.u.queue_attr.max_qp;
471 result->max_sq_depth = resp.u.queue_attr.max_sq_depth;
472 result->max_rq_depth = resp.u.queue_attr.max_rq_depth;
473 result->max_cq = resp.u.queue_attr.max_cq;
474 result->max_cq_depth = resp.u.queue_attr.max_cq_depth;
475 result->inline_buf_size = resp.u.queue_attr.inline_buf_size;
476 result->max_sq_sge = resp.u.queue_attr.max_wr_send_sges;
477 result->max_rq_sge = resp.u.queue_attr.max_wr_recv_sges;
478 result->max_mr = resp.u.queue_attr.max_mr;
479 result->max_mr_pages = resp.u.queue_attr.max_mr_pages;
480 result->max_pd = resp.u.queue_attr.max_pd;
481 result->max_ah = resp.u.queue_attr.max_ah;
482 result->max_llq_size = resp.u.queue_attr.max_llq_size;
483 result->sub_cqs_per_cq = resp.u.queue_attr.sub_cqs_per_cq;
484 result->max_wr_rdma_sge = resp.u.queue_attr.max_wr_rdma_sges;
485 result->max_tx_batch = resp.u.queue_attr.max_tx_batch;
486 result->min_sq_depth = resp.u.queue_attr.min_sq_depth;
487
488 err = efa_com_get_feature(edev, &resp, EFA_ADMIN_NETWORK_ATTR);
489 if (err) {
490 ibdev_err_ratelimited(edev->efa_dev,
491 "Failed to get network attributes %d\n",
492 err);
493 return err;
494 }
495
496 memcpy(result->addr, resp.u.network_attr.addr,
497 sizeof(resp.u.network_attr.addr));
498 result->mtu = resp.u.network_attr.mtu;
499
500 return 0;
501 }
502
efa_com_get_hw_hints(struct efa_com_dev * edev,struct efa_com_get_hw_hints_result * result)503 int efa_com_get_hw_hints(struct efa_com_dev *edev,
504 struct efa_com_get_hw_hints_result *result)
505 {
506 struct efa_admin_get_feature_resp resp;
507 int err;
508
509 err = efa_com_get_feature(edev, &resp, EFA_ADMIN_HW_HINTS);
510 if (err) {
511 ibdev_err_ratelimited(edev->efa_dev,
512 "Failed to get hw hints %d\n", err);
513 return err;
514 }
515
516 result->admin_completion_timeout = resp.u.hw_hints.admin_completion_timeout;
517 result->driver_watchdog_timeout = resp.u.hw_hints.driver_watchdog_timeout;
518 result->mmio_read_timeout = resp.u.hw_hints.mmio_read_timeout;
519 result->poll_interval = resp.u.hw_hints.poll_interval;
520
521 return 0;
522 }
523
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)524 int efa_com_set_feature_ex(struct efa_com_dev *edev,
525 struct efa_admin_set_feature_resp *set_resp,
526 struct efa_admin_set_feature_cmd *set_cmd,
527 enum efa_admin_aq_feature_id feature_id,
528 dma_addr_t control_buf_dma_addr,
529 u32 control_buff_size)
530 {
531 struct efa_com_admin_queue *aq;
532 int err;
533
534 if (!efa_com_check_supported_feature_id(edev, feature_id)) {
535 ibdev_err_ratelimited(edev->efa_dev,
536 "Feature %d isn't supported\n",
537 feature_id);
538 return -EOPNOTSUPP;
539 }
540
541 aq = &edev->aq;
542
543 set_cmd->aq_common_descriptor.opcode = EFA_ADMIN_SET_FEATURE;
544 if (control_buff_size) {
545 set_cmd->aq_common_descriptor.flags = 0;
546 EFA_SET(&set_cmd->aq_common_descriptor.flags,
547 EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA, 1);
548 efa_com_set_dma_addr(control_buf_dma_addr,
549 &set_cmd->control_buffer.address.mem_addr_high,
550 &set_cmd->control_buffer.address.mem_addr_low);
551 }
552
553 set_cmd->control_buffer.length = control_buff_size;
554 set_cmd->feature_common.feature_id = feature_id;
555 err = efa_com_cmd_exec(aq,
556 (struct efa_admin_aq_entry *)set_cmd,
557 sizeof(*set_cmd),
558 (struct efa_admin_acq_entry *)set_resp,
559 sizeof(*set_resp));
560
561 if (err) {
562 ibdev_err_ratelimited(
563 edev->efa_dev,
564 "Failed to submit set_feature command %d error: %d\n",
565 feature_id, err);
566 return err;
567 }
568
569 return 0;
570 }
571
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)572 static int efa_com_set_feature(struct efa_com_dev *edev,
573 struct efa_admin_set_feature_resp *set_resp,
574 struct efa_admin_set_feature_cmd *set_cmd,
575 enum efa_admin_aq_feature_id feature_id)
576 {
577 return efa_com_set_feature_ex(edev, set_resp, set_cmd, feature_id,
578 0, 0);
579 }
580
efa_com_set_aenq_config(struct efa_com_dev * edev,u32 groups)581 int efa_com_set_aenq_config(struct efa_com_dev *edev, u32 groups)
582 {
583 struct efa_admin_get_feature_resp get_resp;
584 struct efa_admin_set_feature_resp set_resp;
585 struct efa_admin_set_feature_cmd cmd = {};
586 int err;
587
588 ibdev_dbg(edev->efa_dev, "Configuring aenq with groups[%#x]\n", groups);
589
590 err = efa_com_get_feature(edev, &get_resp, EFA_ADMIN_AENQ_CONFIG);
591 if (err) {
592 ibdev_err_ratelimited(edev->efa_dev,
593 "Failed to get aenq attributes: %d\n",
594 err);
595 return err;
596 }
597
598 ibdev_dbg(edev->efa_dev,
599 "Get aenq groups: supported[%#x] enabled[%#x]\n",
600 get_resp.u.aenq.supported_groups,
601 get_resp.u.aenq.enabled_groups);
602
603 if ((get_resp.u.aenq.supported_groups & groups) != groups) {
604 ibdev_err_ratelimited(
605 edev->efa_dev,
606 "Trying to set unsupported aenq groups[%#x] supported[%#x]\n",
607 groups, get_resp.u.aenq.supported_groups);
608 return -EOPNOTSUPP;
609 }
610
611 cmd.u.aenq.enabled_groups = groups;
612 err = efa_com_set_feature(edev, &set_resp, &cmd,
613 EFA_ADMIN_AENQ_CONFIG);
614 if (err) {
615 ibdev_err_ratelimited(edev->efa_dev,
616 "Failed to set aenq attributes: %d\n",
617 err);
618 return err;
619 }
620
621 return 0;
622 }
623
efa_com_alloc_pd(struct efa_com_dev * edev,struct efa_com_alloc_pd_result * result)624 int efa_com_alloc_pd(struct efa_com_dev *edev,
625 struct efa_com_alloc_pd_result *result)
626 {
627 struct efa_com_admin_queue *aq = &edev->aq;
628 struct efa_admin_alloc_pd_cmd cmd = {};
629 struct efa_admin_alloc_pd_resp resp;
630 int err;
631
632 cmd.aq_common_descriptor.opcode = EFA_ADMIN_ALLOC_PD;
633
634 err = efa_com_cmd_exec(aq,
635 (struct efa_admin_aq_entry *)&cmd,
636 sizeof(cmd),
637 (struct efa_admin_acq_entry *)&resp,
638 sizeof(resp));
639 if (err) {
640 ibdev_err_ratelimited(edev->efa_dev,
641 "Failed to allocate pd[%d]\n", err);
642 return err;
643 }
644
645 result->pdn = resp.pd;
646
647 return 0;
648 }
649
efa_com_dealloc_pd(struct efa_com_dev * edev,struct efa_com_dealloc_pd_params * params)650 int efa_com_dealloc_pd(struct efa_com_dev *edev,
651 struct efa_com_dealloc_pd_params *params)
652 {
653 struct efa_com_admin_queue *aq = &edev->aq;
654 struct efa_admin_dealloc_pd_cmd cmd = {};
655 struct efa_admin_dealloc_pd_resp resp;
656 int err;
657
658 cmd.aq_common_descriptor.opcode = EFA_ADMIN_DEALLOC_PD;
659 cmd.pd = params->pdn;
660
661 err = efa_com_cmd_exec(aq,
662 (struct efa_admin_aq_entry *)&cmd,
663 sizeof(cmd),
664 (struct efa_admin_acq_entry *)&resp,
665 sizeof(resp));
666 if (err) {
667 ibdev_err_ratelimited(edev->efa_dev,
668 "Failed to deallocate pd-%u [%d]\n",
669 cmd.pd, err);
670 return err;
671 }
672
673 return 0;
674 }
675
efa_com_alloc_uar(struct efa_com_dev * edev,struct efa_com_alloc_uar_result * result)676 int efa_com_alloc_uar(struct efa_com_dev *edev,
677 struct efa_com_alloc_uar_result *result)
678 {
679 struct efa_com_admin_queue *aq = &edev->aq;
680 struct efa_admin_alloc_uar_cmd cmd = {};
681 struct efa_admin_alloc_uar_resp resp;
682 int err;
683
684 cmd.aq_common_descriptor.opcode = EFA_ADMIN_ALLOC_UAR;
685
686 err = efa_com_cmd_exec(aq,
687 (struct efa_admin_aq_entry *)&cmd,
688 sizeof(cmd),
689 (struct efa_admin_acq_entry *)&resp,
690 sizeof(resp));
691 if (err) {
692 ibdev_err_ratelimited(edev->efa_dev,
693 "Failed to allocate uar[%d]\n", err);
694 return err;
695 }
696
697 result->uarn = resp.uar;
698
699 return 0;
700 }
701
efa_com_dealloc_uar(struct efa_com_dev * edev,struct efa_com_dealloc_uar_params * params)702 int efa_com_dealloc_uar(struct efa_com_dev *edev,
703 struct efa_com_dealloc_uar_params *params)
704 {
705 struct efa_com_admin_queue *aq = &edev->aq;
706 struct efa_admin_dealloc_uar_cmd cmd = {};
707 struct efa_admin_dealloc_uar_resp resp;
708 int err;
709
710 cmd.aq_common_descriptor.opcode = EFA_ADMIN_DEALLOC_UAR;
711 cmd.uar = params->uarn;
712
713 err = efa_com_cmd_exec(aq,
714 (struct efa_admin_aq_entry *)&cmd,
715 sizeof(cmd),
716 (struct efa_admin_acq_entry *)&resp,
717 sizeof(resp));
718 if (err) {
719 ibdev_err_ratelimited(edev->efa_dev,
720 "Failed to deallocate uar-%u [%d]\n",
721 cmd.uar, err);
722 return err;
723 }
724
725 return 0;
726 }
727
efa_com_get_stats(struct efa_com_dev * edev,struct efa_com_get_stats_params * params,union efa_com_get_stats_result * result)728 int efa_com_get_stats(struct efa_com_dev *edev,
729 struct efa_com_get_stats_params *params,
730 union efa_com_get_stats_result *result)
731 {
732 struct efa_com_admin_queue *aq = &edev->aq;
733 struct efa_admin_aq_get_stats_cmd cmd = {};
734 struct efa_admin_acq_get_stats_resp resp;
735 int err;
736
737 cmd.aq_common_descriptor.opcode = EFA_ADMIN_GET_STATS;
738 cmd.type = params->type;
739 cmd.scope = params->scope;
740 cmd.scope_modifier = params->scope_modifier;
741
742 err = efa_com_cmd_exec(aq,
743 (struct efa_admin_aq_entry *)&cmd,
744 sizeof(cmd),
745 (struct efa_admin_acq_entry *)&resp,
746 sizeof(resp));
747 if (err) {
748 ibdev_err_ratelimited(
749 edev->efa_dev,
750 "Failed to get stats type-%u scope-%u.%u [%d]\n",
751 cmd.type, cmd.scope, cmd.scope_modifier, err);
752 return err;
753 }
754
755 switch (cmd.type) {
756 case EFA_ADMIN_GET_STATS_TYPE_BASIC:
757 result->basic_stats.tx_bytes = resp.u.basic_stats.tx_bytes;
758 result->basic_stats.tx_pkts = resp.u.basic_stats.tx_pkts;
759 result->basic_stats.rx_bytes = resp.u.basic_stats.rx_bytes;
760 result->basic_stats.rx_pkts = resp.u.basic_stats.rx_pkts;
761 result->basic_stats.rx_drops = resp.u.basic_stats.rx_drops;
762 break;
763 case EFA_ADMIN_GET_STATS_TYPE_MESSAGES:
764 result->messages_stats.send_bytes = resp.u.messages_stats.send_bytes;
765 result->messages_stats.send_wrs = resp.u.messages_stats.send_wrs;
766 result->messages_stats.recv_bytes = resp.u.messages_stats.recv_bytes;
767 result->messages_stats.recv_wrs = resp.u.messages_stats.recv_wrs;
768 break;
769 case EFA_ADMIN_GET_STATS_TYPE_RDMA_READ:
770 result->rdma_read_stats.read_wrs = resp.u.rdma_read_stats.read_wrs;
771 result->rdma_read_stats.read_bytes = resp.u.rdma_read_stats.read_bytes;
772 result->rdma_read_stats.read_wr_err = resp.u.rdma_read_stats.read_wr_err;
773 result->rdma_read_stats.read_resp_bytes = resp.u.rdma_read_stats.read_resp_bytes;
774 break;
775 }
776
777 return 0;
778 }
779
