efa_com_cmd.c

  1// SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
  2/*
  3 * Copyright 2018-2025 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	create_qp_cmd.sl = params->sl;
 35
 36	if (params->unsolicited_write_recv)
 37		EFA_SET(&create_qp_cmd.flags, EFA_ADMIN_CREATE_QP_CMD_UNSOLICITED_WRITE_RECV, 1);
 38
 39	err = efa_com_cmd_exec(aq,
 40			       (struct efa_admin_aq_entry *)&create_qp_cmd,
 41			       sizeof(create_qp_cmd),
 42			       (struct efa_admin_acq_entry *)&cmd_completion,
 43			       sizeof(cmd_completion));
 44	if (err) {
 45		ibdev_err_ratelimited(edev->efa_dev,
 46				      "Failed to create qp [%d]\n", err);
 47		return err;
 48	}
 49
 50	res->qp_handle = cmd_completion.qp_handle;
 51	res->qp_num = cmd_completion.qp_num;
 52	res->sq_db_offset = cmd_completion.sq_db_offset;
 53	res->rq_db_offset = cmd_completion.rq_db_offset;
 54	res->llq_descriptors_offset = cmd_completion.llq_descriptors_offset;
 55	res->send_sub_cq_idx = cmd_completion.send_sub_cq_idx;
 56	res->recv_sub_cq_idx = cmd_completion.recv_sub_cq_idx;
 57
 58	return 0;
 59}
 60
 61int efa_com_modify_qp(struct efa_com_dev *edev,
 62		      struct efa_com_modify_qp_params *params)
 63{
 64	struct efa_com_admin_queue *aq = &edev->aq;
 65	struct efa_admin_modify_qp_cmd cmd = {};
 66	struct efa_admin_modify_qp_resp resp;
 67	int err;
 68
 69	cmd.aq_common_desc.opcode = EFA_ADMIN_MODIFY_QP;
 70	cmd.modify_mask = params->modify_mask;
 71	cmd.qp_handle = params->qp_handle;
 72	cmd.qp_state = params->qp_state;
 73	cmd.cur_qp_state = params->cur_qp_state;
 74	cmd.qkey = params->qkey;
 75	cmd.sq_psn = params->sq_psn;
 76	cmd.sq_drained_async_notify = params->sq_drained_async_notify;
 77	cmd.rnr_retry = params->rnr_retry;
 78
 79	err = efa_com_cmd_exec(aq,
 80			       (struct efa_admin_aq_entry *)&cmd,
 81			       sizeof(cmd),
 82			       (struct efa_admin_acq_entry *)&resp,
 83			       sizeof(resp));
 84	if (err) {
 85		ibdev_err_ratelimited(
 86			edev->efa_dev,
 87			"Failed to modify qp-%u modify_mask[%#x] [%d]\n",
 88			cmd.qp_handle, cmd.modify_mask, err);
 89		return err;
 90	}
 91
 92	return 0;
 93}
 94
 95int efa_com_query_qp(struct efa_com_dev *edev,
 96		     struct efa_com_query_qp_params *params,
 97		     struct efa_com_query_qp_result *result)
 98{
 99	struct efa_com_admin_queue *aq = &edev->aq;
100	struct efa_admin_query_qp_cmd cmd = {};
101	struct efa_admin_query_qp_resp resp;
102	int err;
103
104	cmd.aq_common_desc.opcode = EFA_ADMIN_QUERY_QP;
105	cmd.qp_handle = params->qp_handle;
106
107	err = efa_com_cmd_exec(aq,
108			       (struct efa_admin_aq_entry *)&cmd,
109			       sizeof(cmd),
110			       (struct efa_admin_acq_entry *)&resp,
111			       sizeof(resp));
112	if (err) {
113		ibdev_err_ratelimited(edev->efa_dev,
114				      "Failed to query qp-%u [%d]\n",
115				      cmd.qp_handle, err);
116		return err;
117	}
118
119	result->qp_state = resp.qp_state;
120	result->qkey = resp.qkey;
121	result->sq_draining = resp.sq_draining;
122	result->sq_psn = resp.sq_psn;
123	result->rnr_retry = resp.rnr_retry;
124
125	return 0;
126}
127
128int efa_com_destroy_qp(struct efa_com_dev *edev,
129		       struct efa_com_destroy_qp_params *params)
130{
131	struct efa_admin_destroy_qp_resp cmd_completion;
132	struct efa_admin_destroy_qp_cmd qp_cmd = {};
133	struct efa_com_admin_queue *aq = &edev->aq;
134	int err;
135
136	qp_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_QP;
137	qp_cmd.qp_handle = params->qp_handle;
138
139	err = efa_com_cmd_exec(aq,
140			       (struct efa_admin_aq_entry *)&qp_cmd,
141			       sizeof(qp_cmd),
142			       (struct efa_admin_acq_entry *)&cmd_completion,
143			       sizeof(cmd_completion));
144	if (err) {
145		ibdev_err_ratelimited(edev->efa_dev,
146				      "Failed to destroy qp-%u [%d]\n",
147				      qp_cmd.qp_handle, err);
148		return err;
149	}
150
151	return 0;
152}
153
154int efa_com_create_cq(struct efa_com_dev *edev,
155		      struct efa_com_create_cq_params *params,
156		      struct efa_com_create_cq_result *result)
157{
158	struct efa_admin_create_cq_resp cmd_completion = {};
159	struct efa_admin_create_cq_cmd create_cmd = {};
160	struct efa_com_admin_queue *aq = &edev->aq;
161	int err;
162
163	create_cmd.aq_common_desc.opcode = EFA_ADMIN_CREATE_CQ;
164	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.sub_cq_depth = params->sub_cq_depth;
168	create_cmd.num_sub_cqs = params->num_sub_cqs;
169	create_cmd.uar = params->uarn;
170	if (params->interrupt_mode_enabled) {
171		EFA_SET(&create_cmd.cq_caps_1,
172			EFA_ADMIN_CREATE_CQ_CMD_INTERRUPT_MODE_ENABLED, 1);
173		create_cmd.eqn = params->eqn;
174	}
175	if (params->set_src_addr) {
176		EFA_SET(&create_cmd.cq_caps_2,
177			EFA_ADMIN_CREATE_CQ_CMD_SET_SRC_ADDR, 1);
178	}
179	efa_com_set_dma_addr(params->dma_addr,
180			     &create_cmd.cq_ba.mem_addr_high,
181			     &create_cmd.cq_ba.mem_addr_low);
182
183	err = efa_com_cmd_exec(aq,
184			       (struct efa_admin_aq_entry *)&create_cmd,
185			       sizeof(create_cmd),
186			       (struct efa_admin_acq_entry *)&cmd_completion,
187			       sizeof(cmd_completion));
188	if (err) {
189		ibdev_err_ratelimited(edev->efa_dev,
190				      "Failed to create cq[%d]\n", err);
191		return err;
192	}
193
194	result->cq_idx = cmd_completion.cq_idx;
195	result->actual_depth = params->sub_cq_depth;
196	result->db_off = cmd_completion.db_offset;
197	result->db_valid = EFA_GET(&cmd_completion.flags,
198				   EFA_ADMIN_CREATE_CQ_RESP_DB_VALID);
199
200	return 0;
201}
202
203int efa_com_destroy_cq(struct efa_com_dev *edev,
204		       struct efa_com_destroy_cq_params *params)
205{
206	struct efa_admin_destroy_cq_cmd destroy_cmd = {};
207	struct efa_admin_destroy_cq_resp destroy_resp;
208	struct efa_com_admin_queue *aq = &edev->aq;
209	int err;
210
211	destroy_cmd.cq_idx = params->cq_idx;
212	destroy_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_CQ;
213
214	err = efa_com_cmd_exec(aq,
215			       (struct efa_admin_aq_entry *)&destroy_cmd,
216			       sizeof(destroy_cmd),
217			       (struct efa_admin_acq_entry *)&destroy_resp,
218			       sizeof(destroy_resp));
219
220	if (err) {
221		ibdev_err_ratelimited(edev->efa_dev,
222				      "Failed to destroy CQ-%u [%d]\n",
223				      params->cq_idx, err);
224		return err;
225	}
226
227	return 0;
228}
229
230int efa_com_register_mr(struct efa_com_dev *edev,
231			struct efa_com_reg_mr_params *params,
232			struct efa_com_reg_mr_result *result)
233{
234	struct efa_admin_reg_mr_resp cmd_completion;
235	struct efa_com_admin_queue *aq = &edev->aq;
236	struct efa_admin_reg_mr_cmd mr_cmd = {};
237	int err;
238
239	mr_cmd.aq_common_desc.opcode = EFA_ADMIN_REG_MR;
240	mr_cmd.pd = params->pd;
241	mr_cmd.mr_length = params->mr_length_in_bytes;
242	EFA_SET(&mr_cmd.flags, EFA_ADMIN_REG_MR_CMD_PHYS_PAGE_SIZE_SHIFT,
243		params->page_shift);
244	mr_cmd.iova = params->iova;
245	mr_cmd.permissions = params->permissions;
246
247	if (params->inline_pbl) {
248		memcpy(mr_cmd.pbl.inline_pbl_array,
249		       params->pbl.inline_pbl_array,
250		       sizeof(mr_cmd.pbl.inline_pbl_array));
251	} else {
252		mr_cmd.pbl.pbl.length = params->pbl.pbl.length;
253		mr_cmd.pbl.pbl.address.mem_addr_low =
254			params->pbl.pbl.address.mem_addr_low;
255		mr_cmd.pbl.pbl.address.mem_addr_high =
256			params->pbl.pbl.address.mem_addr_high;
257		EFA_SET(&mr_cmd.aq_common_desc.flags,
258			EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA, 1);
259		if (params->indirect)
260			EFA_SET(&mr_cmd.aq_common_desc.flags,
261				EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT, 1);
262	}
263
264	err = efa_com_cmd_exec(aq,
265			       (struct efa_admin_aq_entry *)&mr_cmd,
266			       sizeof(mr_cmd),
267			       (struct efa_admin_acq_entry *)&cmd_completion,
268			       sizeof(cmd_completion));
269	if (err) {
270		ibdev_err_ratelimited(edev->efa_dev,
271				      "Failed to register mr [%d]\n", err);
272		return err;
273	}
274
275	result->l_key = cmd_completion.l_key;
276	result->r_key = cmd_completion.r_key;
277	result->ic_info.recv_ic_id = cmd_completion.recv_ic_id;
278	result->ic_info.rdma_read_ic_id = cmd_completion.rdma_read_ic_id;
279	result->ic_info.rdma_recv_ic_id = cmd_completion.rdma_recv_ic_id;
280	result->ic_info.recv_ic_id_valid = EFA_GET(&cmd_completion.validity,
281						   EFA_ADMIN_REG_MR_RESP_RECV_IC_ID);
282	result->ic_info.rdma_read_ic_id_valid = EFA_GET(&cmd_completion.validity,
283							EFA_ADMIN_REG_MR_RESP_RDMA_READ_IC_ID);
284	result->ic_info.rdma_recv_ic_id_valid = EFA_GET(&cmd_completion.validity,
285							EFA_ADMIN_REG_MR_RESP_RDMA_RECV_IC_ID);
286
287	return 0;
288}
289
290int efa_com_dereg_mr(struct efa_com_dev *edev,
291		     struct efa_com_dereg_mr_params *params)
292{
293	struct efa_admin_dereg_mr_resp cmd_completion;
294	struct efa_com_admin_queue *aq = &edev->aq;
295	struct efa_admin_dereg_mr_cmd mr_cmd = {};
296	int err;
297
298	mr_cmd.aq_common_desc.opcode = EFA_ADMIN_DEREG_MR;
299	mr_cmd.l_key = params->l_key;
300
301	err = efa_com_cmd_exec(aq,
302			       (struct efa_admin_aq_entry *)&mr_cmd,
303			       sizeof(mr_cmd),
304			       (struct efa_admin_acq_entry *)&cmd_completion,
305			       sizeof(cmd_completion));
306	if (err) {
307		ibdev_err_ratelimited(edev->efa_dev,
308				      "Failed to de-register mr(lkey-%u) [%d]\n",
309				      mr_cmd.l_key, err);
310		return err;
311	}
312
313	return 0;
314}
315
316int efa_com_create_ah(struct efa_com_dev *edev,
317		      struct efa_com_create_ah_params *params,
318		      struct efa_com_create_ah_result *result)
319{
320	struct efa_admin_create_ah_resp cmd_completion;
321	struct efa_com_admin_queue *aq = &edev->aq;
322	struct efa_admin_create_ah_cmd ah_cmd = {};
323	int err;
324
325	ah_cmd.aq_common_desc.opcode = EFA_ADMIN_CREATE_AH;
326
327	memcpy(ah_cmd.dest_addr, params->dest_addr, sizeof(ah_cmd.dest_addr));
328	ah_cmd.pd = params->pdn;
329
330	err = efa_com_cmd_exec(aq,
331			       (struct efa_admin_aq_entry *)&ah_cmd,
332			       sizeof(ah_cmd),
333			       (struct efa_admin_acq_entry *)&cmd_completion,
334			       sizeof(cmd_completion));
335	if (err) {
336		ibdev_err_ratelimited(edev->efa_dev,
337				      "Failed to create ah for %pI6 [%d]\n",
338				      ah_cmd.dest_addr, err);
339		return err;
340	}
341
342	result->ah = cmd_completion.ah;
343
344	return 0;
345}
346
347int efa_com_destroy_ah(struct efa_com_dev *edev,
348		       struct efa_com_destroy_ah_params *params)
349{
350	struct efa_admin_destroy_ah_resp cmd_completion;
351	struct efa_admin_destroy_ah_cmd ah_cmd = {};
352	struct efa_com_admin_queue *aq = &edev->aq;
353	int err;
354
355	ah_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_AH;
356	ah_cmd.ah = params->ah;
357	ah_cmd.pd = params->pdn;
358
359	err = efa_com_cmd_exec(aq,
360			       (struct efa_admin_aq_entry *)&ah_cmd,
361			       sizeof(ah_cmd),
362			       (struct efa_admin_acq_entry *)&cmd_completion,
363			       sizeof(cmd_completion));
364	if (err) {
365		ibdev_err_ratelimited(edev->efa_dev,
366				      "Failed to destroy ah-%d pd-%d [%d]\n",
367				      ah_cmd.ah, ah_cmd.pd, err);
368		return err;
369	}
370
371	return 0;
372}
373
374bool
375efa_com_check_supported_feature_id(struct efa_com_dev *edev,
376				   enum efa_admin_aq_feature_id feature_id)
377{
378	u32 feature_mask = 1 << feature_id;
379
380	/* Device attributes is always supported */
381	if (feature_id != EFA_ADMIN_DEVICE_ATTR &&
382	    !(edev->supported_features & feature_mask))
383		return false;
384
385	return true;
386}
387
388static int efa_com_get_feature_ex(struct efa_com_dev *edev,
389				  struct efa_admin_get_feature_resp *get_resp,
390				  enum efa_admin_aq_feature_id feature_id,
391				  dma_addr_t control_buf_dma_addr,
392				  u32 control_buff_size)
393{
394	struct efa_admin_get_feature_cmd get_cmd = {};
395	struct efa_com_admin_queue *aq;
396	int err;
397
398	if (!efa_com_check_supported_feature_id(edev, feature_id)) {
399		ibdev_err_ratelimited(edev->efa_dev,
400				      "Feature %d isn't supported\n",
401				      feature_id);
402		return -EOPNOTSUPP;
403	}
404
405	aq = &edev->aq;
406
407	get_cmd.aq_common_descriptor.opcode = EFA_ADMIN_GET_FEATURE;
408
409	if (control_buff_size)
410		EFA_SET(&get_cmd.aq_common_descriptor.flags,
411			EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA, 1);
412
413	efa_com_set_dma_addr(control_buf_dma_addr,
414			     &get_cmd.control_buffer.address.mem_addr_high,
415			     &get_cmd.control_buffer.address.mem_addr_low);
416
417	get_cmd.control_buffer.length = control_buff_size;
418	get_cmd.feature_common.feature_id = feature_id;
419	err = efa_com_cmd_exec(aq,
420			       (struct efa_admin_aq_entry *)
421			       &get_cmd,
422			       sizeof(get_cmd),
423			       (struct efa_admin_acq_entry *)
424			       get_resp,
425			       sizeof(*get_resp));
426
427	if (err) {
428		ibdev_err_ratelimited(
429			edev->efa_dev,
430			"Failed to submit get_feature command %d [%d]\n",
431			feature_id, err);
432		return err;
433	}
434
435	return 0;
436}
437
438static int efa_com_get_feature(struct efa_com_dev *edev,
439			       struct efa_admin_get_feature_resp *get_resp,
440			       enum efa_admin_aq_feature_id feature_id)
441{
442	return efa_com_get_feature_ex(edev, get_resp, feature_id, 0, 0);
443}
444
445int efa_com_get_device_attr(struct efa_com_dev *edev,
446			    struct efa_com_get_device_attr_result *result)
447{
448	struct efa_admin_get_feature_resp resp;
449	int err;
450
451	err = efa_com_get_feature(edev, &resp, EFA_ADMIN_DEVICE_ATTR);
452	if (err) {
453		ibdev_err_ratelimited(edev->efa_dev,
454				      "Failed to get device attributes %d\n",
455				      err);
456		return err;
457	}
458
459	result->page_size_cap = resp.u.device_attr.page_size_cap;
460	result->fw_version = resp.u.device_attr.fw_version;
461	result->admin_api_version = resp.u.device_attr.admin_api_version;
462	result->device_version = resp.u.device_attr.device_version;
463	result->supported_features = resp.u.device_attr.supported_features;
464	result->phys_addr_width = resp.u.device_attr.phys_addr_width;
465	result->virt_addr_width = resp.u.device_attr.virt_addr_width;
466	result->db_bar = resp.u.device_attr.db_bar;
467	result->max_rdma_size = resp.u.device_attr.max_rdma_size;
468	result->device_caps = resp.u.device_attr.device_caps;
469	result->guid = resp.u.device_attr.guid;
470	result->max_link_speed_gbps = resp.u.device_attr.max_link_speed_gbps;
471
472	if (result->admin_api_version < 1) {
473		ibdev_err_ratelimited(
474			edev->efa_dev,
475			"Failed to get device attr api version [%u < 1]\n",
476			result->admin_api_version);
477		return -EINVAL;
478	}
479
480	edev->supported_features = resp.u.device_attr.supported_features;
481	err = efa_com_get_feature(edev, &resp,
482				  EFA_ADMIN_QUEUE_ATTR);
483	if (err) {
484		ibdev_err_ratelimited(edev->efa_dev,
485				      "Failed to get queue attributes %d\n",
486				      err);
487		return err;
488	}
489
490	result->max_qp = resp.u.queue_attr.max_qp;
491	result->max_sq_depth = resp.u.queue_attr.max_sq_depth;
492	result->max_rq_depth = resp.u.queue_attr.max_rq_depth;
493	result->max_cq = resp.u.queue_attr.max_cq;
494	result->max_cq_depth = resp.u.queue_attr.max_cq_depth;
495	result->inline_buf_size = resp.u.queue_attr.inline_buf_size;
496	result->max_sq_sge = resp.u.queue_attr.max_wr_send_sges;
497	result->max_rq_sge = resp.u.queue_attr.max_wr_recv_sges;
498	result->max_mr = resp.u.queue_attr.max_mr;
499	result->max_mr_pages = resp.u.queue_attr.max_mr_pages;
500	result->max_pd = resp.u.queue_attr.max_pd;
501	result->max_ah = resp.u.queue_attr.max_ah;
502	result->max_llq_size = resp.u.queue_attr.max_llq_size;
503	result->sub_cqs_per_cq = resp.u.queue_attr.sub_cqs_per_cq;
504	result->max_wr_rdma_sge = resp.u.queue_attr.max_wr_rdma_sges;
505	result->max_tx_batch = resp.u.queue_attr.max_tx_batch;
506	result->min_sq_depth = resp.u.queue_attr.min_sq_depth;
507
508	err = efa_com_get_feature(edev, &resp, EFA_ADMIN_NETWORK_ATTR);
509	if (err) {
510		ibdev_err_ratelimited(edev->efa_dev,
511				      "Failed to get network attributes %d\n",
512				      err);
513		return err;
514	}
515
516	memcpy(result->addr, resp.u.network_attr.addr,
517	       sizeof(resp.u.network_attr.addr));
518	result->mtu = resp.u.network_attr.mtu;
519
520	if (efa_com_check_supported_feature_id(edev,
521					       EFA_ADMIN_EVENT_QUEUE_ATTR)) {
522		err = efa_com_get_feature(edev, &resp,
523					  EFA_ADMIN_EVENT_QUEUE_ATTR);
524		if (err) {
525			ibdev_err_ratelimited(
526				edev->efa_dev,
527				"Failed to get event queue attributes %d\n",
528				err);
529			return err;
530		}
531
532		result->max_eq = resp.u.event_queue_attr.max_eq;
533		result->max_eq_depth = resp.u.event_queue_attr.max_eq_depth;
534		result->event_bitmask = resp.u.event_queue_attr.event_bitmask;
535	}
536
537	return 0;
538}
539
540int efa_com_get_hw_hints(struct efa_com_dev *edev,
541			 struct efa_com_get_hw_hints_result *result)
542{
543	struct efa_admin_get_feature_resp resp;
544	int err;
545
546	err = efa_com_get_feature(edev, &resp, EFA_ADMIN_HW_HINTS);
547	if (err) {
548		ibdev_err_ratelimited(edev->efa_dev,
549				      "Failed to get hw hints %d\n", err);
550		return err;
551	}
552
553	result->admin_completion_timeout = resp.u.hw_hints.admin_completion_timeout;
554	result->driver_watchdog_timeout = resp.u.hw_hints.driver_watchdog_timeout;
555	result->mmio_read_timeout = resp.u.hw_hints.mmio_read_timeout;
556	result->poll_interval = resp.u.hw_hints.poll_interval;
557
558	return 0;
559}
560
561int efa_com_set_feature_ex(struct efa_com_dev *edev,
562			   struct efa_admin_set_feature_resp *set_resp,
563			   struct efa_admin_set_feature_cmd *set_cmd,
564			   enum efa_admin_aq_feature_id feature_id,
565			   dma_addr_t control_buf_dma_addr,
566			   u32 control_buff_size)
567{
568	struct efa_com_admin_queue *aq;
569	int err;
570
571	if (!efa_com_check_supported_feature_id(edev, feature_id)) {
572		ibdev_err_ratelimited(edev->efa_dev,
573				      "Feature %d isn't supported\n",
574				      feature_id);
575		return -EOPNOTSUPP;
576	}
577
578	aq = &edev->aq;
579
580	set_cmd->aq_common_descriptor.opcode = EFA_ADMIN_SET_FEATURE;
581	if (control_buff_size) {
582		set_cmd->aq_common_descriptor.flags = 0;
583		EFA_SET(&set_cmd->aq_common_descriptor.flags,
584			EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA, 1);
585		efa_com_set_dma_addr(control_buf_dma_addr,
586				     &set_cmd->control_buffer.address.mem_addr_high,
587				     &set_cmd->control_buffer.address.mem_addr_low);
588	}
589
590	set_cmd->control_buffer.length = control_buff_size;
591	set_cmd->feature_common.feature_id = feature_id;
592	err = efa_com_cmd_exec(aq,
593			       (struct efa_admin_aq_entry *)set_cmd,
594			       sizeof(*set_cmd),
595			       (struct efa_admin_acq_entry *)set_resp,
596			       sizeof(*set_resp));
597
598	if (err) {
599		ibdev_err_ratelimited(
600			edev->efa_dev,
601			"Failed to submit set_feature command %d error: %d\n",
602			feature_id, err);
603		return err;
604	}
605
606	return 0;
607}
608
609static int efa_com_set_feature(struct efa_com_dev *edev,
610			       struct efa_admin_set_feature_resp *set_resp,
611			       struct efa_admin_set_feature_cmd *set_cmd,
612			       enum efa_admin_aq_feature_id feature_id)
613{
614	return efa_com_set_feature_ex(edev, set_resp, set_cmd, feature_id,
615				      0, 0);
616}
617
618int efa_com_set_aenq_config(struct efa_com_dev *edev, u32 groups)
619{
620	struct efa_admin_get_feature_resp get_resp;
621	struct efa_admin_set_feature_resp set_resp;
622	struct efa_admin_set_feature_cmd cmd = {};
623	int err;
624
625	ibdev_dbg(edev->efa_dev, "Configuring aenq with groups[%#x]\n", groups);
626
627	err = efa_com_get_feature(edev, &get_resp, EFA_ADMIN_AENQ_CONFIG);
628	if (err) {
629		ibdev_err_ratelimited(edev->efa_dev,
630				      "Failed to get aenq attributes: %d\n",
631				      err);
632		return err;
633	}
634
635	ibdev_dbg(edev->efa_dev,
636		  "Get aenq groups: supported[%#x] enabled[%#x]\n",
637		  get_resp.u.aenq.supported_groups,
638		  get_resp.u.aenq.enabled_groups);
639
640	if ((get_resp.u.aenq.supported_groups & groups) != groups) {
641		ibdev_err_ratelimited(
642			edev->efa_dev,
643			"Trying to set unsupported aenq groups[%#x] supported[%#x]\n",
644			groups, get_resp.u.aenq.supported_groups);
645		return -EOPNOTSUPP;
646	}
647
648	cmd.u.aenq.enabled_groups = groups;
649	err = efa_com_set_feature(edev, &set_resp, &cmd,
650				  EFA_ADMIN_AENQ_CONFIG);
651	if (err) {
652		ibdev_err_ratelimited(edev->efa_dev,
653				      "Failed to set aenq attributes: %d\n",
654				      err);
655		return err;
656	}
657
658	return 0;
659}
660
661int efa_com_alloc_pd(struct efa_com_dev *edev,
662		     struct efa_com_alloc_pd_result *result)
663{
664	struct efa_com_admin_queue *aq = &edev->aq;
665	struct efa_admin_alloc_pd_cmd cmd = {};
666	struct efa_admin_alloc_pd_resp resp;
667	int err;
668
669	cmd.aq_common_descriptor.opcode = EFA_ADMIN_ALLOC_PD;
670
671	err = efa_com_cmd_exec(aq,
672			       (struct efa_admin_aq_entry *)&cmd,
673			       sizeof(cmd),
674			       (struct efa_admin_acq_entry *)&resp,
675			       sizeof(resp));
676	if (err) {
677		ibdev_err_ratelimited(edev->efa_dev,
678				      "Failed to allocate pd[%d]\n", err);
679		return err;
680	}
681
682	result->pdn = resp.pd;
683
684	return 0;
685}
686
687int efa_com_dealloc_pd(struct efa_com_dev *edev,
688		       struct efa_com_dealloc_pd_params *params)
689{
690	struct efa_com_admin_queue *aq = &edev->aq;
691	struct efa_admin_dealloc_pd_cmd cmd = {};
692	struct efa_admin_dealloc_pd_resp resp;
693	int err;
694
695	cmd.aq_common_descriptor.opcode = EFA_ADMIN_DEALLOC_PD;
696	cmd.pd = params->pdn;
697
698	err = efa_com_cmd_exec(aq,
699			       (struct efa_admin_aq_entry *)&cmd,
700			       sizeof(cmd),
701			       (struct efa_admin_acq_entry *)&resp,
702			       sizeof(resp));
703	if (err) {
704		ibdev_err_ratelimited(edev->efa_dev,
705				      "Failed to deallocate pd-%u [%d]\n",
706				      cmd.pd, err);
707		return err;
708	}
709
710	return 0;
711}
712
713int efa_com_alloc_uar(struct efa_com_dev *edev,
714		      struct efa_com_alloc_uar_result *result)
715{
716	struct efa_com_admin_queue *aq = &edev->aq;
717	struct efa_admin_alloc_uar_cmd cmd = {};
718	struct efa_admin_alloc_uar_resp resp;
719	int err;
720
721	cmd.aq_common_descriptor.opcode = EFA_ADMIN_ALLOC_UAR;
722
723	err = efa_com_cmd_exec(aq,
724			       (struct efa_admin_aq_entry *)&cmd,
725			       sizeof(cmd),
726			       (struct efa_admin_acq_entry *)&resp,
727			       sizeof(resp));
728	if (err) {
729		ibdev_err_ratelimited(edev->efa_dev,
730				      "Failed to allocate uar[%d]\n", err);
731		return err;
732	}
733
734	result->uarn = resp.uar;
735
736	return 0;
737}
738
739int efa_com_dealloc_uar(struct efa_com_dev *edev,
740			struct efa_com_dealloc_uar_params *params)
741{
742	struct efa_com_admin_queue *aq = &edev->aq;
743	struct efa_admin_dealloc_uar_cmd cmd = {};
744	struct efa_admin_dealloc_uar_resp resp;
745	int err;
746
747	cmd.aq_common_descriptor.opcode = EFA_ADMIN_DEALLOC_UAR;
748	cmd.uar = params->uarn;
749
750	err = efa_com_cmd_exec(aq,
751			       (struct efa_admin_aq_entry *)&cmd,
752			       sizeof(cmd),
753			       (struct efa_admin_acq_entry *)&resp,
754			       sizeof(resp));
755	if (err) {
756		ibdev_err_ratelimited(edev->efa_dev,
757				      "Failed to deallocate uar-%u [%d]\n",
758				      cmd.uar, err);
759		return err;
760	}
761
762	return 0;
763}
764
765int efa_com_get_stats(struct efa_com_dev *edev,
766		      struct efa_com_get_stats_params *params,
767		      union efa_com_get_stats_result *result)
768{
769	struct efa_com_admin_queue *aq = &edev->aq;
770	struct efa_admin_aq_get_stats_cmd cmd = {};
771	struct efa_admin_acq_get_stats_resp resp;
772	struct efa_admin_rdma_write_stats *rws;
773	struct efa_admin_rdma_read_stats *rrs;
774	struct efa_admin_messages_stats *ms;
775	struct efa_admin_network_stats *ns;
776	struct efa_admin_basic_stats *bs;
777	int err;
778
779	cmd.aq_common_descriptor.opcode = EFA_ADMIN_GET_STATS;
780	cmd.type = params->type;
781	cmd.scope = params->scope;
782	cmd.scope_modifier = params->scope_modifier;
783
784	err = efa_com_cmd_exec(aq,
785			       (struct efa_admin_aq_entry *)&cmd,
786			       sizeof(cmd),
787			       (struct efa_admin_acq_entry *)&resp,
788			       sizeof(resp));
789	if (err) {
790		ibdev_err_ratelimited(
791			edev->efa_dev,
792			"Failed to get stats type-%u scope-%u.%u [%d]\n",
793			cmd.type, cmd.scope, cmd.scope_modifier, err);
794		return err;
795	}
796
797	switch (cmd.type) {
798	case EFA_ADMIN_GET_STATS_TYPE_BASIC:
799		bs = &resp.u.basic_stats;
800		result->basic_stats.tx_bytes = bs->tx_bytes;
801		result->basic_stats.tx_pkts = bs->tx_pkts;
802		result->basic_stats.rx_bytes = bs->rx_bytes;
803		result->basic_stats.rx_pkts = bs->rx_pkts;
804		result->basic_stats.rx_drops = bs->rx_drops;
805		break;
806	case EFA_ADMIN_GET_STATS_TYPE_MESSAGES:
807		ms = &resp.u.messages_stats;
808		result->messages_stats.send_bytes = ms->send_bytes;
809		result->messages_stats.send_wrs = ms->send_wrs;
810		result->messages_stats.recv_bytes = ms->recv_bytes;
811		result->messages_stats.recv_wrs = ms->recv_wrs;
812		break;
813	case EFA_ADMIN_GET_STATS_TYPE_RDMA_READ:
814		rrs = &resp.u.rdma_read_stats;
815		result->rdma_read_stats.read_wrs = rrs->read_wrs;
816		result->rdma_read_stats.read_bytes = rrs->read_bytes;
817		result->rdma_read_stats.read_wr_err = rrs->read_wr_err;
818		result->rdma_read_stats.read_resp_bytes = rrs->read_resp_bytes;
819		break;
820	case EFA_ADMIN_GET_STATS_TYPE_RDMA_WRITE:
821		rws = &resp.u.rdma_write_stats;
822		result->rdma_write_stats.write_wrs = rws->write_wrs;
823		result->rdma_write_stats.write_bytes = rws->write_bytes;
824		result->rdma_write_stats.write_wr_err = rws->write_wr_err;
825		result->rdma_write_stats.write_recv_bytes = rws->write_recv_bytes;
826		break;
827	case EFA_ADMIN_GET_STATS_TYPE_NETWORK:
828		ns = &resp.u.network_stats;
829		result->network_stats.retrans_bytes = ns->retrans_bytes;
830		result->network_stats.retrans_pkts = ns->retrans_pkts;
831		result->network_stats.retrans_timeout_events = ns->retrans_timeout_events;
832		result->network_stats.unresponsive_remote_events = ns->unresponsive_remote_events;
833		result->network_stats.impaired_remote_conn_events = ns->impaired_remote_conn_events;
834		break;
835	}
836
837	return 0;
838}