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