xref: /dpdk/drivers/common/mlx5/mlx5_devx_cmds.c (revision 4d07cbefe3ba08f398ed5602407df8dd81e1f41a)
1 // SPDX-License-Identifier: BSD-3-Clause
2 /* Copyright 2018 Mellanox Technologies, Ltd */
3 
4 #include <unistd.h>
5 
6 #include <rte_errno.h>
7 #include <rte_malloc.h>
8 #include <rte_eal_paging.h>
9 
10 #include "mlx5_prm.h"
11 #include "mlx5_devx_cmds.h"
12 #include "mlx5_common_utils.h"
13 #include "mlx5_malloc.h"
14 
15 
16 /**
17  * Perform read access to the registers. Reads data from register
18  * and writes ones to the specified buffer.
19  *
20  * @param[in] ctx
21  *   Context returned from mlx5 open_device() glue function.
22  * @param[in] reg_id
23  *   Register identifier according to the PRM.
24  * @param[in] arg
25  *   Register access auxiliary parameter according to the PRM.
26  * @param[out] data
27  *   Pointer to the buffer to store read data.
28  * @param[in] dw_cnt
29  *   Buffer size in double words.
30  *
31  * @return
32  *   0 on success, a negative value otherwise.
33  */
34 int
35 mlx5_devx_cmd_register_read(void *ctx, uint16_t reg_id, uint32_t arg,
36 			    uint32_t *data, uint32_t dw_cnt)
37 {
38 	uint32_t in[MLX5_ST_SZ_DW(access_register_in)]   = {0};
39 	uint32_t out[MLX5_ST_SZ_DW(access_register_out) +
40 		     MLX5_ACCESS_REGISTER_DATA_DWORD_MAX] = {0};
41 	int status, rc;
42 
43 	MLX5_ASSERT(data && dw_cnt);
44 	MLX5_ASSERT(dw_cnt <= MLX5_ACCESS_REGISTER_DATA_DWORD_MAX);
45 	if (dw_cnt  > MLX5_ACCESS_REGISTER_DATA_DWORD_MAX) {
46 		DRV_LOG(ERR, "Not enough  buffer for register read data");
47 		return -1;
48 	}
49 	MLX5_SET(access_register_in, in, opcode,
50 		 MLX5_CMD_OP_ACCESS_REGISTER_USER);
51 	MLX5_SET(access_register_in, in, op_mod,
52 					MLX5_ACCESS_REGISTER_IN_OP_MOD_READ);
53 	MLX5_SET(access_register_in, in, register_id, reg_id);
54 	MLX5_SET(access_register_in, in, argument, arg);
55 	rc = mlx5_glue->devx_general_cmd(ctx, in, sizeof(in), out,
56 					 MLX5_ST_SZ_BYTES(access_register_out) +
57 					 sizeof(uint32_t) * dw_cnt);
58 	if (rc)
59 		goto error;
60 	status = MLX5_GET(access_register_out, out, status);
61 	if (status) {
62 		int syndrome = MLX5_GET(access_register_out, out, syndrome);
63 
64 		DRV_LOG(DEBUG, "Failed to access NIC register 0x%X, "
65 			       "status %x, syndrome = %x",
66 			       reg_id, status, syndrome);
67 		return -1;
68 	}
69 	memcpy(data, &out[MLX5_ST_SZ_DW(access_register_out)],
70 	       dw_cnt * sizeof(uint32_t));
71 	return 0;
72 error:
73 	rc = (rc > 0) ? -rc : rc;
74 	return rc;
75 }
76 
77 /**
78  * Allocate flow counters via devx interface.
79  *
80  * @param[in] ctx
81  *   Context returned from mlx5 open_device() glue function.
82  * @param dcs
83  *   Pointer to counters properties structure to be filled by the routine.
84  * @param bulk_n_128
85  *   Bulk counter numbers in 128 counters units.
86  *
87  * @return
88  *   Pointer to counter object on success, a negative value otherwise and
89  *   rte_errno is set.
90  */
91 struct mlx5_devx_obj *
92 mlx5_devx_cmd_flow_counter_alloc(void *ctx, uint32_t bulk_n_128)
93 {
94 	struct mlx5_devx_obj *dcs = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*dcs),
95 						0, SOCKET_ID_ANY);
96 	uint32_t in[MLX5_ST_SZ_DW(alloc_flow_counter_in)]   = {0};
97 	uint32_t out[MLX5_ST_SZ_DW(alloc_flow_counter_out)] = {0};
98 
99 	if (!dcs) {
100 		rte_errno = ENOMEM;
101 		return NULL;
102 	}
103 	MLX5_SET(alloc_flow_counter_in, in, opcode,
104 		 MLX5_CMD_OP_ALLOC_FLOW_COUNTER);
105 	MLX5_SET(alloc_flow_counter_in, in, flow_counter_bulk, bulk_n_128);
106 	dcs->obj = mlx5_glue->devx_obj_create(ctx, in,
107 					      sizeof(in), out, sizeof(out));
108 	if (!dcs->obj) {
109 		DRV_LOG(ERR, "Can't allocate counters - error %d", errno);
110 		rte_errno = errno;
111 		mlx5_free(dcs);
112 		return NULL;
113 	}
114 	dcs->id = MLX5_GET(alloc_flow_counter_out, out, flow_counter_id);
115 	return dcs;
116 }
117 
118 /**
119  * Query flow counters values.
120  *
121  * @param[in] dcs
122  *   devx object that was obtained from mlx5_devx_cmd_fc_alloc.
123  * @param[in] clear
124  *   Whether hardware should clear the counters after the query or not.
125  * @param[in] n_counters
126  *   0 in case of 1 counter to read, otherwise the counter number to read.
127  *  @param pkts
128  *   The number of packets that matched the flow.
129  *  @param bytes
130  *    The number of bytes that matched the flow.
131  *  @param mkey
132  *   The mkey key for batch query.
133  *  @param addr
134  *    The address in the mkey range for batch query.
135  *  @param cmd_comp
136  *   The completion object for asynchronous batch query.
137  *  @param async_id
138  *    The ID to be returned in the asynchronous batch query response.
139  *
140  * @return
141  *   0 on success, a negative value otherwise.
142  */
143 int
144 mlx5_devx_cmd_flow_counter_query(struct mlx5_devx_obj *dcs,
145 				 int clear, uint32_t n_counters,
146 				 uint64_t *pkts, uint64_t *bytes,
147 				 uint32_t mkey, void *addr,
148 				 void *cmd_comp,
149 				 uint64_t async_id)
150 {
151 	int out_len = MLX5_ST_SZ_BYTES(query_flow_counter_out) +
152 			MLX5_ST_SZ_BYTES(traffic_counter);
153 	uint32_t out[out_len];
154 	uint32_t in[MLX5_ST_SZ_DW(query_flow_counter_in)] = {0};
155 	void *stats;
156 	int rc;
157 
158 	MLX5_SET(query_flow_counter_in, in, opcode,
159 		 MLX5_CMD_OP_QUERY_FLOW_COUNTER);
160 	MLX5_SET(query_flow_counter_in, in, op_mod, 0);
161 	MLX5_SET(query_flow_counter_in, in, flow_counter_id, dcs->id);
162 	MLX5_SET(query_flow_counter_in, in, clear, !!clear);
163 
164 	if (n_counters) {
165 		MLX5_SET(query_flow_counter_in, in, num_of_counters,
166 			 n_counters);
167 		MLX5_SET(query_flow_counter_in, in, dump_to_memory, 1);
168 		MLX5_SET(query_flow_counter_in, in, mkey, mkey);
169 		MLX5_SET64(query_flow_counter_in, in, address,
170 			   (uint64_t)(uintptr_t)addr);
171 	}
172 	if (!cmd_comp)
173 		rc = mlx5_glue->devx_obj_query(dcs->obj, in, sizeof(in), out,
174 					       out_len);
175 	else
176 		rc = mlx5_glue->devx_obj_query_async(dcs->obj, in, sizeof(in),
177 						     out_len, async_id,
178 						     cmd_comp);
179 	if (rc) {
180 		DRV_LOG(ERR, "Failed to query devx counters with rc %d", rc);
181 		rte_errno = rc;
182 		return -rc;
183 	}
184 	if (!n_counters) {
185 		stats = MLX5_ADDR_OF(query_flow_counter_out,
186 				     out, flow_statistics);
187 		*pkts = MLX5_GET64(traffic_counter, stats, packets);
188 		*bytes = MLX5_GET64(traffic_counter, stats, octets);
189 	}
190 	return 0;
191 }
192 
193 /**
194  * Create a new mkey.
195  *
196  * @param[in] ctx
197  *   Context returned from mlx5 open_device() glue function.
198  * @param[in] attr
199  *   Attributes of the requested mkey.
200  *
201  * @return
202  *   Pointer to Devx mkey on success, a negative value otherwise and rte_errno
203  *   is set.
204  */
205 struct mlx5_devx_obj *
206 mlx5_devx_cmd_mkey_create(void *ctx,
207 			  struct mlx5_devx_mkey_attr *attr)
208 {
209 	struct mlx5_klm *klm_array = attr->klm_array;
210 	int klm_num = attr->klm_num;
211 	int in_size_dw = MLX5_ST_SZ_DW(create_mkey_in) +
212 		     (klm_num ? RTE_ALIGN(klm_num, 4) : 0) * MLX5_ST_SZ_DW(klm);
213 	uint32_t in[in_size_dw];
214 	uint32_t out[MLX5_ST_SZ_DW(create_mkey_out)] = {0};
215 	void *mkc;
216 	struct mlx5_devx_obj *mkey = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*mkey),
217 						 0, SOCKET_ID_ANY);
218 	size_t pgsize;
219 	uint32_t translation_size;
220 
221 	if (!mkey) {
222 		rte_errno = ENOMEM;
223 		return NULL;
224 	}
225 	memset(in, 0, in_size_dw * 4);
226 	pgsize = rte_mem_page_size();
227 	if (pgsize == (size_t)-1) {
228 		mlx5_free(mkey);
229 		DRV_LOG(ERR, "Failed to get page size");
230 		rte_errno = ENOMEM;
231 		return NULL;
232 	}
233 	MLX5_SET(create_mkey_in, in, opcode, MLX5_CMD_OP_CREATE_MKEY);
234 	mkc = MLX5_ADDR_OF(create_mkey_in, in, memory_key_mkey_entry);
235 	if (klm_num > 0) {
236 		int i;
237 		uint8_t *klm = (uint8_t *)MLX5_ADDR_OF(create_mkey_in, in,
238 						       klm_pas_mtt);
239 		translation_size = RTE_ALIGN(klm_num, 4);
240 		for (i = 0; i < klm_num; i++) {
241 			MLX5_SET(klm, klm, byte_count, klm_array[i].byte_count);
242 			MLX5_SET(klm, klm, mkey, klm_array[i].mkey);
243 			MLX5_SET64(klm, klm, address, klm_array[i].address);
244 			klm += MLX5_ST_SZ_BYTES(klm);
245 		}
246 		for (; i < (int)translation_size; i++) {
247 			MLX5_SET(klm, klm, mkey, 0x0);
248 			MLX5_SET64(klm, klm, address, 0x0);
249 			klm += MLX5_ST_SZ_BYTES(klm);
250 		}
251 		MLX5_SET(mkc, mkc, access_mode_1_0, attr->log_entity_size ?
252 			 MLX5_MKC_ACCESS_MODE_KLM_FBS :
253 			 MLX5_MKC_ACCESS_MODE_KLM);
254 		MLX5_SET(mkc, mkc, log_page_size, attr->log_entity_size);
255 	} else {
256 		translation_size = (RTE_ALIGN(attr->size, pgsize) * 8) / 16;
257 		MLX5_SET(mkc, mkc, access_mode_1_0, MLX5_MKC_ACCESS_MODE_MTT);
258 		MLX5_SET(mkc, mkc, log_page_size, rte_log2_u32(pgsize));
259 	}
260 	MLX5_SET(create_mkey_in, in, translations_octword_actual_size,
261 		 translation_size);
262 	MLX5_SET(create_mkey_in, in, mkey_umem_id, attr->umem_id);
263 	MLX5_SET(create_mkey_in, in, pg_access, attr->pg_access);
264 	MLX5_SET(mkc, mkc, lw, 0x1);
265 	MLX5_SET(mkc, mkc, lr, 0x1);
266 	MLX5_SET(mkc, mkc, qpn, 0xffffff);
267 	MLX5_SET(mkc, mkc, pd, attr->pd);
268 	MLX5_SET(mkc, mkc, mkey_7_0, attr->umem_id & 0xFF);
269 	MLX5_SET(mkc, mkc, umr_en, attr->umr_en);
270 	MLX5_SET(mkc, mkc, translations_octword_size, translation_size);
271 	MLX5_SET(mkc, mkc, relaxed_ordering_write,
272 		 attr->relaxed_ordering_write);
273 	MLX5_SET(mkc, mkc, relaxed_ordering_read, attr->relaxed_ordering_read);
274 	MLX5_SET64(mkc, mkc, start_addr, attr->addr);
275 	MLX5_SET64(mkc, mkc, len, attr->size);
276 	mkey->obj = mlx5_glue->devx_obj_create(ctx, in, in_size_dw * 4, out,
277 					       sizeof(out));
278 	if (!mkey->obj) {
279 		DRV_LOG(ERR, "Can't create %sdirect mkey - error %d",
280 			klm_num ? "an in" : "a ", errno);
281 		rte_errno = errno;
282 		mlx5_free(mkey);
283 		return NULL;
284 	}
285 	mkey->id = MLX5_GET(create_mkey_out, out, mkey_index);
286 	mkey->id = (mkey->id << 8) | (attr->umem_id & 0xFF);
287 	return mkey;
288 }
289 
290 /**
291  * Get status of devx command response.
292  * Mainly used for asynchronous commands.
293  *
294  * @param[in] out
295  *   The out response buffer.
296  *
297  * @return
298  *   0 on success, non-zero value otherwise.
299  */
300 int
301 mlx5_devx_get_out_command_status(void *out)
302 {
303 	int status;
304 
305 	if (!out)
306 		return -EINVAL;
307 	status = MLX5_GET(query_flow_counter_out, out, status);
308 	if (status) {
309 		int syndrome = MLX5_GET(query_flow_counter_out, out, syndrome);
310 
311 		DRV_LOG(ERR, "Bad DevX status %x, syndrome = %x", status,
312 			syndrome);
313 	}
314 	return status;
315 }
316 
317 /**
318  * Destroy any object allocated by a Devx API.
319  *
320  * @param[in] obj
321  *   Pointer to a general object.
322  *
323  * @return
324  *   0 on success, a negative value otherwise.
325  */
326 int
327 mlx5_devx_cmd_destroy(struct mlx5_devx_obj *obj)
328 {
329 	int ret;
330 
331 	if (!obj)
332 		return 0;
333 	ret =  mlx5_glue->devx_obj_destroy(obj->obj);
334 	mlx5_free(obj);
335 	return ret;
336 }
337 
338 /**
339  * Query NIC vport context.
340  * Fills minimal inline attribute.
341  *
342  * @param[in] ctx
343  *   ibv contexts returned from mlx5dv_open_device.
344  * @param[in] vport
345  *   vport index
346  * @param[out] attr
347  *   Attributes device values.
348  *
349  * @return
350  *   0 on success, a negative value otherwise.
351  */
352 static int
353 mlx5_devx_cmd_query_nic_vport_context(void *ctx,
354 				      unsigned int vport,
355 				      struct mlx5_hca_attr *attr)
356 {
357 	uint32_t in[MLX5_ST_SZ_DW(query_nic_vport_context_in)] = {0};
358 	uint32_t out[MLX5_ST_SZ_DW(query_nic_vport_context_out)] = {0};
359 	void *vctx;
360 	int status, syndrome, rc;
361 
362 	/* Query NIC vport context to determine inline mode. */
363 	MLX5_SET(query_nic_vport_context_in, in, opcode,
364 		 MLX5_CMD_OP_QUERY_NIC_VPORT_CONTEXT);
365 	MLX5_SET(query_nic_vport_context_in, in, vport_number, vport);
366 	if (vport)
367 		MLX5_SET(query_nic_vport_context_in, in, other_vport, 1);
368 	rc = mlx5_glue->devx_general_cmd(ctx,
369 					 in, sizeof(in),
370 					 out, sizeof(out));
371 	if (rc)
372 		goto error;
373 	status = MLX5_GET(query_nic_vport_context_out, out, status);
374 	syndrome = MLX5_GET(query_nic_vport_context_out, out, syndrome);
375 	if (status) {
376 		DRV_LOG(DEBUG, "Failed to query NIC vport context, "
377 			"status %x, syndrome = %x", status, syndrome);
378 		return -1;
379 	}
380 	vctx = MLX5_ADDR_OF(query_nic_vport_context_out, out,
381 			    nic_vport_context);
382 	attr->vport_inline_mode = MLX5_GET(nic_vport_context, vctx,
383 					   min_wqe_inline_mode);
384 	return 0;
385 error:
386 	rc = (rc > 0) ? -rc : rc;
387 	return rc;
388 }
389 
390 /**
391  * Query NIC vDPA attributes.
392  *
393  * @param[in] ctx
394  *   Context returned from mlx5 open_device() glue function.
395  * @param[out] vdpa_attr
396  *   vDPA Attributes structure to fill.
397  */
398 static void
399 mlx5_devx_cmd_query_hca_vdpa_attr(void *ctx,
400 				  struct mlx5_hca_vdpa_attr *vdpa_attr)
401 {
402 	uint32_t in[MLX5_ST_SZ_DW(query_hca_cap_in)] = {0};
403 	uint32_t out[MLX5_ST_SZ_DW(query_hca_cap_out)] = {0};
404 	void *hcattr = MLX5_ADDR_OF(query_hca_cap_out, out, capability);
405 	int status, syndrome, rc;
406 
407 	MLX5_SET(query_hca_cap_in, in, opcode, MLX5_CMD_OP_QUERY_HCA_CAP);
408 	MLX5_SET(query_hca_cap_in, in, op_mod,
409 		 MLX5_GET_HCA_CAP_OP_MOD_VDPA_EMULATION |
410 		 MLX5_HCA_CAP_OPMOD_GET_CUR);
411 	rc = mlx5_glue->devx_general_cmd(ctx, in, sizeof(in), out, sizeof(out));
412 	status = MLX5_GET(query_hca_cap_out, out, status);
413 	syndrome = MLX5_GET(query_hca_cap_out, out, syndrome);
414 	if (rc || status) {
415 		RTE_LOG(DEBUG, PMD, "Failed to query devx VDPA capabilities,"
416 			" status %x, syndrome = %x", status, syndrome);
417 		vdpa_attr->valid = 0;
418 	} else {
419 		vdpa_attr->valid = 1;
420 		vdpa_attr->desc_tunnel_offload_type =
421 			MLX5_GET(virtio_emulation_cap, hcattr,
422 				 desc_tunnel_offload_type);
423 		vdpa_attr->eth_frame_offload_type =
424 			MLX5_GET(virtio_emulation_cap, hcattr,
425 				 eth_frame_offload_type);
426 		vdpa_attr->virtio_version_1_0 =
427 			MLX5_GET(virtio_emulation_cap, hcattr,
428 				 virtio_version_1_0);
429 		vdpa_attr->tso_ipv4 = MLX5_GET(virtio_emulation_cap, hcattr,
430 					       tso_ipv4);
431 		vdpa_attr->tso_ipv6 = MLX5_GET(virtio_emulation_cap, hcattr,
432 					       tso_ipv6);
433 		vdpa_attr->tx_csum = MLX5_GET(virtio_emulation_cap, hcattr,
434 					      tx_csum);
435 		vdpa_attr->rx_csum = MLX5_GET(virtio_emulation_cap, hcattr,
436 					      rx_csum);
437 		vdpa_attr->event_mode = MLX5_GET(virtio_emulation_cap, hcattr,
438 						 event_mode);
439 		vdpa_attr->virtio_queue_type =
440 			MLX5_GET(virtio_emulation_cap, hcattr,
441 				 virtio_queue_type);
442 		vdpa_attr->log_doorbell_stride =
443 			MLX5_GET(virtio_emulation_cap, hcattr,
444 				 log_doorbell_stride);
445 		vdpa_attr->log_doorbell_bar_size =
446 			MLX5_GET(virtio_emulation_cap, hcattr,
447 				 log_doorbell_bar_size);
448 		vdpa_attr->doorbell_bar_offset =
449 			MLX5_GET64(virtio_emulation_cap, hcattr,
450 				   doorbell_bar_offset);
451 		vdpa_attr->max_num_virtio_queues =
452 			MLX5_GET(virtio_emulation_cap, hcattr,
453 				 max_num_virtio_queues);
454 		vdpa_attr->umems[0].a = MLX5_GET(virtio_emulation_cap, hcattr,
455 						 umem_1_buffer_param_a);
456 		vdpa_attr->umems[0].b = MLX5_GET(virtio_emulation_cap, hcattr,
457 						 umem_1_buffer_param_b);
458 		vdpa_attr->umems[1].a = MLX5_GET(virtio_emulation_cap, hcattr,
459 						 umem_2_buffer_param_a);
460 		vdpa_attr->umems[1].b = MLX5_GET(virtio_emulation_cap, hcattr,
461 						 umem_2_buffer_param_b);
462 		vdpa_attr->umems[2].a = MLX5_GET(virtio_emulation_cap, hcattr,
463 						 umem_3_buffer_param_a);
464 		vdpa_attr->umems[2].b = MLX5_GET(virtio_emulation_cap, hcattr,
465 						 umem_3_buffer_param_b);
466 	}
467 }
468 
469 int
470 mlx5_devx_cmd_query_parse_samples(struct mlx5_devx_obj *flex_obj,
471 				  uint32_t ids[], uint32_t num)
472 {
473 	uint32_t in[MLX5_ST_SZ_DW(general_obj_in_cmd_hdr)] = {0};
474 	uint32_t out[MLX5_ST_SZ_DW(create_flex_parser_out)] = {0};
475 	void *hdr = MLX5_ADDR_OF(create_flex_parser_out, in, hdr);
476 	void *flex = MLX5_ADDR_OF(create_flex_parser_out, out, flex);
477 	void *sample = MLX5_ADDR_OF(parse_graph_flex, flex, sample_table);
478 	int ret;
479 	uint32_t idx = 0;
480 	uint32_t i;
481 
482 	if (num > MLX5_GRAPH_NODE_SAMPLE_NUM) {
483 		rte_errno = EINVAL;
484 		DRV_LOG(ERR, "Too many sample IDs to be fetched.");
485 		return -rte_errno;
486 	}
487 	MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
488 		 MLX5_CMD_OP_QUERY_GENERAL_OBJECT);
489 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
490 		 MLX5_GENERAL_OBJ_TYPE_FLEX_PARSE_GRAPH);
491 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_id, flex_obj->id);
492 	ret = mlx5_glue->devx_obj_query(flex_obj->obj, in, sizeof(in),
493 					out, sizeof(out));
494 	if (ret) {
495 		rte_errno = ret;
496 		DRV_LOG(ERR, "Failed to query sample IDs with object %p.",
497 			(void *)flex_obj);
498 		return -rte_errno;
499 	}
500 	for (i = 0; i < MLX5_GRAPH_NODE_SAMPLE_NUM; i++) {
501 		void *s_off = (void *)((char *)sample + i *
502 			      MLX5_ST_SZ_BYTES(parse_graph_flow_match_sample));
503 		uint32_t en;
504 
505 		en = MLX5_GET(parse_graph_flow_match_sample, s_off,
506 			      flow_match_sample_en);
507 		if (!en)
508 			continue;
509 		ids[idx++] = MLX5_GET(parse_graph_flow_match_sample, s_off,
510 				  flow_match_sample_field_id);
511 	}
512 	if (num != idx) {
513 		rte_errno = EINVAL;
514 		DRV_LOG(ERR, "Number of sample IDs are not as expected.");
515 		return -rte_errno;
516 	}
517 	return ret;
518 }
519 
520 
521 struct mlx5_devx_obj *
522 mlx5_devx_cmd_create_flex_parser(void *ctx,
523 			      struct mlx5_devx_graph_node_attr *data)
524 {
525 	uint32_t in[MLX5_ST_SZ_DW(create_flex_parser_in)] = {0};
526 	uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0};
527 	void *hdr = MLX5_ADDR_OF(create_flex_parser_in, in, hdr);
528 	void *flex = MLX5_ADDR_OF(create_flex_parser_in, in, flex);
529 	void *sample = MLX5_ADDR_OF(parse_graph_flex, flex, sample_table);
530 	void *in_arc = MLX5_ADDR_OF(parse_graph_flex, flex, input_arc);
531 	void *out_arc = MLX5_ADDR_OF(parse_graph_flex, flex, output_arc);
532 	struct mlx5_devx_obj *parse_flex_obj = mlx5_malloc
533 		     (MLX5_MEM_ZERO, sizeof(*parse_flex_obj), 0, SOCKET_ID_ANY);
534 	uint32_t i;
535 
536 	if (!parse_flex_obj) {
537 		DRV_LOG(ERR, "Failed to allocate flex parser data.");
538 		rte_errno = ENOMEM;
539 		return NULL;
540 	}
541 	MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
542 		 MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
543 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
544 		 MLX5_GENERAL_OBJ_TYPE_FLEX_PARSE_GRAPH);
545 	MLX5_SET(parse_graph_flex, flex, header_length_mode,
546 		 data->header_length_mode);
547 	MLX5_SET(parse_graph_flex, flex, header_length_base_value,
548 		 data->header_length_base_value);
549 	MLX5_SET(parse_graph_flex, flex, header_length_field_offset,
550 		 data->header_length_field_offset);
551 	MLX5_SET(parse_graph_flex, flex, header_length_field_shift,
552 		 data->header_length_field_shift);
553 	MLX5_SET(parse_graph_flex, flex, header_length_field_mask,
554 		 data->header_length_field_mask);
555 	for (i = 0; i < MLX5_GRAPH_NODE_SAMPLE_NUM; i++) {
556 		struct mlx5_devx_match_sample_attr *s = &data->sample[i];
557 		void *s_off = (void *)((char *)sample + i *
558 			      MLX5_ST_SZ_BYTES(parse_graph_flow_match_sample));
559 
560 		if (!s->flow_match_sample_en)
561 			continue;
562 		MLX5_SET(parse_graph_flow_match_sample, s_off,
563 			 flow_match_sample_en, !!s->flow_match_sample_en);
564 		MLX5_SET(parse_graph_flow_match_sample, s_off,
565 			 flow_match_sample_field_offset,
566 			 s->flow_match_sample_field_offset);
567 		MLX5_SET(parse_graph_flow_match_sample, s_off,
568 			 flow_match_sample_offset_mode,
569 			 s->flow_match_sample_offset_mode);
570 		MLX5_SET(parse_graph_flow_match_sample, s_off,
571 			 flow_match_sample_field_offset_mask,
572 			 s->flow_match_sample_field_offset_mask);
573 		MLX5_SET(parse_graph_flow_match_sample, s_off,
574 			 flow_match_sample_field_offset_shift,
575 			 s->flow_match_sample_field_offset_shift);
576 		MLX5_SET(parse_graph_flow_match_sample, s_off,
577 			 flow_match_sample_field_base_offset,
578 			 s->flow_match_sample_field_base_offset);
579 		MLX5_SET(parse_graph_flow_match_sample, s_off,
580 			 flow_match_sample_tunnel_mode,
581 			 s->flow_match_sample_tunnel_mode);
582 	}
583 	for (i = 0; i < MLX5_GRAPH_NODE_ARC_NUM; i++) {
584 		struct mlx5_devx_graph_arc_attr *ia = &data->in[i];
585 		struct mlx5_devx_graph_arc_attr *oa = &data->out[i];
586 		void *in_off = (void *)((char *)in_arc + i *
587 			      MLX5_ST_SZ_BYTES(parse_graph_arc));
588 		void *out_off = (void *)((char *)out_arc + i *
589 			      MLX5_ST_SZ_BYTES(parse_graph_arc));
590 
591 		if (ia->arc_parse_graph_node != 0) {
592 			MLX5_SET(parse_graph_arc, in_off,
593 				 compare_condition_value,
594 				 ia->compare_condition_value);
595 			MLX5_SET(parse_graph_arc, in_off, start_inner_tunnel,
596 				 ia->start_inner_tunnel);
597 			MLX5_SET(parse_graph_arc, in_off, arc_parse_graph_node,
598 				 ia->arc_parse_graph_node);
599 			MLX5_SET(parse_graph_arc, in_off,
600 				 parse_graph_node_handle,
601 				 ia->parse_graph_node_handle);
602 		}
603 		if (oa->arc_parse_graph_node != 0) {
604 			MLX5_SET(parse_graph_arc, out_off,
605 				 compare_condition_value,
606 				 oa->compare_condition_value);
607 			MLX5_SET(parse_graph_arc, out_off, start_inner_tunnel,
608 				 oa->start_inner_tunnel);
609 			MLX5_SET(parse_graph_arc, out_off, arc_parse_graph_node,
610 				 oa->arc_parse_graph_node);
611 			MLX5_SET(parse_graph_arc, out_off,
612 				 parse_graph_node_handle,
613 				 oa->parse_graph_node_handle);
614 		}
615 	}
616 	parse_flex_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
617 							 out, sizeof(out));
618 	if (!parse_flex_obj->obj) {
619 		rte_errno = errno;
620 		DRV_LOG(ERR, "Failed to create FLEX PARSE GRAPH object "
621 			"by using DevX.");
622 		mlx5_free(parse_flex_obj);
623 		return NULL;
624 	}
625 	parse_flex_obj->id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
626 	return parse_flex_obj;
627 }
628 
629 /**
630  * Query HCA attributes.
631  * Using those attributes we can check on run time if the device
632  * is having the required capabilities.
633  *
634  * @param[in] ctx
635  *   Context returned from mlx5 open_device() glue function.
636  * @param[out] attr
637  *   Attributes device values.
638  *
639  * @return
640  *   0 on success, a negative value otherwise.
641  */
642 int
643 mlx5_devx_cmd_query_hca_attr(void *ctx,
644 			     struct mlx5_hca_attr *attr)
645 {
646 	uint32_t in[MLX5_ST_SZ_DW(query_hca_cap_in)] = {0};
647 	uint32_t out[MLX5_ST_SZ_DW(query_hca_cap_out)] = {0};
648 	void *hcattr;
649 	int status, syndrome, rc, i;
650 
651 	MLX5_SET(query_hca_cap_in, in, opcode, MLX5_CMD_OP_QUERY_HCA_CAP);
652 	MLX5_SET(query_hca_cap_in, in, op_mod,
653 		 MLX5_GET_HCA_CAP_OP_MOD_GENERAL_DEVICE |
654 		 MLX5_HCA_CAP_OPMOD_GET_CUR);
655 
656 	rc = mlx5_glue->devx_general_cmd(ctx,
657 					 in, sizeof(in), out, sizeof(out));
658 	if (rc)
659 		goto error;
660 	status = MLX5_GET(query_hca_cap_out, out, status);
661 	syndrome = MLX5_GET(query_hca_cap_out, out, syndrome);
662 	if (status) {
663 		DRV_LOG(DEBUG, "Failed to query devx HCA capabilities, "
664 			"status %x, syndrome = %x", status, syndrome);
665 		return -1;
666 	}
667 	hcattr = MLX5_ADDR_OF(query_hca_cap_out, out, capability);
668 	attr->flow_counter_bulk_alloc_bitmap =
669 			MLX5_GET(cmd_hca_cap, hcattr, flow_counter_bulk_alloc);
670 	attr->flow_counters_dump = MLX5_GET(cmd_hca_cap, hcattr,
671 					    flow_counters_dump);
672 	attr->log_max_rqt_size = MLX5_GET(cmd_hca_cap, hcattr,
673 					  log_max_rqt_size);
674 	attr->eswitch_manager = MLX5_GET(cmd_hca_cap, hcattr, eswitch_manager);
675 	attr->hairpin = MLX5_GET(cmd_hca_cap, hcattr, hairpin);
676 	attr->log_max_hairpin_queues = MLX5_GET(cmd_hca_cap, hcattr,
677 						log_max_hairpin_queues);
678 	attr->log_max_hairpin_wq_data_sz = MLX5_GET(cmd_hca_cap, hcattr,
679 						    log_max_hairpin_wq_data_sz);
680 	attr->log_max_hairpin_num_packets = MLX5_GET
681 		(cmd_hca_cap, hcattr, log_min_hairpin_wq_data_sz);
682 	attr->vhca_id = MLX5_GET(cmd_hca_cap, hcattr, vhca_id);
683 	attr->relaxed_ordering_write = MLX5_GET(cmd_hca_cap, hcattr,
684 						relaxed_ordering_write);
685 	attr->relaxed_ordering_read = MLX5_GET(cmd_hca_cap, hcattr,
686 					       relaxed_ordering_read);
687 	attr->access_register_user = MLX5_GET(cmd_hca_cap, hcattr,
688 					      access_register_user);
689 	attr->eth_net_offloads = MLX5_GET(cmd_hca_cap, hcattr,
690 					  eth_net_offloads);
691 	attr->eth_virt = MLX5_GET(cmd_hca_cap, hcattr, eth_virt);
692 	attr->flex_parser_protocols = MLX5_GET(cmd_hca_cap, hcattr,
693 					       flex_parser_protocols);
694 	attr->max_geneve_tlv_options = MLX5_GET(cmd_hca_cap, hcattr,
695 			max_geneve_tlv_options);
696 	attr->max_geneve_tlv_option_data_len = MLX5_GET(cmd_hca_cap, hcattr,
697 			max_geneve_tlv_option_data_len);
698 	attr->qos.sup = MLX5_GET(cmd_hca_cap, hcattr, qos);
699 	attr->vdpa.valid = !!(MLX5_GET64(cmd_hca_cap, hcattr,
700 					 general_obj_types) &
701 			      MLX5_GENERAL_OBJ_TYPES_CAP_VIRTQ_NET_Q);
702 	attr->vdpa.queue_counters_valid = !!(MLX5_GET64(cmd_hca_cap, hcattr,
703 							general_obj_types) &
704 				  MLX5_GENERAL_OBJ_TYPES_CAP_VIRTIO_Q_COUNTERS);
705 	attr->parse_graph_flex_node = !!(MLX5_GET64(cmd_hca_cap, hcattr,
706 					 general_obj_types) &
707 			      MLX5_GENERAL_OBJ_TYPES_CAP_PARSE_GRAPH_FLEX_NODE);
708 	attr->wqe_index_ignore = MLX5_GET(cmd_hca_cap, hcattr,
709 					  wqe_index_ignore_cap);
710 	attr->cross_channel = MLX5_GET(cmd_hca_cap, hcattr, cd);
711 	attr->non_wire_sq = MLX5_GET(cmd_hca_cap, hcattr, non_wire_sq);
712 	attr->log_max_static_sq_wq = MLX5_GET(cmd_hca_cap, hcattr,
713 					      log_max_static_sq_wq);
714 	attr->num_lag_ports = MLX5_GET(cmd_hca_cap, hcattr, num_lag_ports);
715 	attr->dev_freq_khz = MLX5_GET(cmd_hca_cap, hcattr,
716 				      device_frequency_khz);
717 	attr->scatter_fcs_w_decap_disable =
718 		MLX5_GET(cmd_hca_cap, hcattr, scatter_fcs_w_decap_disable);
719 	attr->roce = MLX5_GET(cmd_hca_cap, hcattr, roce);
720 	attr->rq_ts_format = MLX5_GET(cmd_hca_cap, hcattr, rq_ts_format);
721 	attr->sq_ts_format = MLX5_GET(cmd_hca_cap, hcattr, sq_ts_format);
722 	attr->regex = MLX5_GET(cmd_hca_cap, hcattr, regexp);
723 	attr->regexp_num_of_engines = MLX5_GET(cmd_hca_cap, hcattr,
724 					       regexp_num_of_engines);
725 	attr->flow_hit_aso = !!(MLX5_GET64(cmd_hca_cap, hcattr,
726 					   general_obj_types) &
727 				MLX5_GENERAL_OBJ_TYPES_CAP_FLOW_HIT_ASO);
728 	attr->geneve_tlv_opt = !!(MLX5_GET64(cmd_hca_cap, hcattr,
729 					   general_obj_types) &
730 				MLX5_GENERAL_OBJ_TYPES_CAP_GENEVE_TLV_OPT);
731 	attr->log_max_cq = MLX5_GET(cmd_hca_cap, hcattr, log_max_cq);
732 	attr->log_max_qp = MLX5_GET(cmd_hca_cap, hcattr, log_max_qp);
733 	attr->log_max_cq_sz = MLX5_GET(cmd_hca_cap, hcattr, log_max_cq_sz);
734 	attr->log_max_qp_sz = MLX5_GET(cmd_hca_cap, hcattr, log_max_qp_sz);
735 	attr->log_max_mrw_sz = MLX5_GET(cmd_hca_cap, hcattr, log_max_mrw_sz);
736 	attr->log_max_pd = MLX5_GET(cmd_hca_cap, hcattr, log_max_pd);
737 	attr->log_max_srq = MLX5_GET(cmd_hca_cap, hcattr, log_max_srq);
738 	attr->log_max_srq_sz = MLX5_GET(cmd_hca_cap, hcattr, log_max_srq_sz);
739 	attr->reg_c_preserve =
740 		MLX5_GET(cmd_hca_cap, hcattr, reg_c_preserve);
741 	attr->mmo_dma_en = MLX5_GET(cmd_hca_cap, hcattr, dma_mmo);
742 	attr->mmo_compress_en = MLX5_GET(cmd_hca_cap, hcattr, compress);
743 	attr->mmo_decompress_en = MLX5_GET(cmd_hca_cap, hcattr, decompress);
744 	attr->compress_min_block_size = MLX5_GET(cmd_hca_cap, hcattr,
745 						 compress_min_block_size);
746 	attr->log_max_mmo_dma = MLX5_GET(cmd_hca_cap, hcattr, log_dma_mmo_size);
747 	attr->log_max_mmo_compress = MLX5_GET(cmd_hca_cap, hcattr,
748 					      log_compress_mmo_size);
749 	attr->log_max_mmo_decompress = MLX5_GET(cmd_hca_cap, hcattr,
750 						log_decompress_mmo_size);
751 	attr->cqe_compression = MLX5_GET(cmd_hca_cap, hcattr, cqe_compression);
752 	attr->mini_cqe_resp_flow_tag = MLX5_GET(cmd_hca_cap, hcattr,
753 						mini_cqe_resp_flow_tag);
754 	attr->mini_cqe_resp_l3_l4_tag = MLX5_GET(cmd_hca_cap, hcattr,
755 						 mini_cqe_resp_l3_l4_tag);
756 	attr->umr_indirect_mkey_disabled =
757 		MLX5_GET(cmd_hca_cap, hcattr, umr_indirect_mkey_disabled);
758 	attr->umr_modify_entity_size_disabled =
759 		MLX5_GET(cmd_hca_cap, hcattr, umr_modify_entity_size_disabled);
760 	if (attr->qos.sup) {
761 		MLX5_SET(query_hca_cap_in, in, op_mod,
762 			 MLX5_GET_HCA_CAP_OP_MOD_QOS_CAP |
763 			 MLX5_HCA_CAP_OPMOD_GET_CUR);
764 		rc = mlx5_glue->devx_general_cmd(ctx, in, sizeof(in),
765 						 out, sizeof(out));
766 		if (rc)
767 			goto error;
768 		if (status) {
769 			DRV_LOG(DEBUG, "Failed to query devx QOS capabilities,"
770 				" status %x, syndrome = %x", status, syndrome);
771 			return -1;
772 		}
773 		hcattr = MLX5_ADDR_OF(query_hca_cap_out, out, capability);
774 		attr->qos.flow_meter_old =
775 				MLX5_GET(qos_cap, hcattr, flow_meter_old);
776 		attr->qos.log_max_flow_meter =
777 				MLX5_GET(qos_cap, hcattr, log_max_flow_meter);
778 		attr->qos.flow_meter_reg_c_ids =
779 				MLX5_GET(qos_cap, hcattr, flow_meter_reg_id);
780 		attr->qos.flow_meter =
781 				MLX5_GET(qos_cap, hcattr, flow_meter);
782 		attr->qos.packet_pacing =
783 				MLX5_GET(qos_cap, hcattr, packet_pacing);
784 		attr->qos.wqe_rate_pp =
785 				MLX5_GET(qos_cap, hcattr, wqe_rate_pp);
786 	}
787 	if (attr->vdpa.valid)
788 		mlx5_devx_cmd_query_hca_vdpa_attr(ctx, &attr->vdpa);
789 	if (!attr->eth_net_offloads)
790 		return 0;
791 
792 	/* Query Flow Sampler Capability From FLow Table Properties Layout. */
793 	memset(in, 0, sizeof(in));
794 	memset(out, 0, sizeof(out));
795 	MLX5_SET(query_hca_cap_in, in, opcode, MLX5_CMD_OP_QUERY_HCA_CAP);
796 	MLX5_SET(query_hca_cap_in, in, op_mod,
797 		 MLX5_GET_HCA_CAP_OP_MOD_NIC_FLOW_TABLE |
798 		 MLX5_HCA_CAP_OPMOD_GET_CUR);
799 
800 	rc = mlx5_glue->devx_general_cmd(ctx, in, sizeof(in), out, sizeof(out));
801 	if (rc)
802 		goto error;
803 	status = MLX5_GET(query_hca_cap_out, out, status);
804 	syndrome = MLX5_GET(query_hca_cap_out, out, syndrome);
805 	if (status) {
806 		DRV_LOG(DEBUG, "Failed to query devx HCA capabilities, "
807 			"status %x, syndrome = %x", status, syndrome);
808 		attr->log_max_ft_sampler_num = 0;
809 		return -1;
810 	}
811 	hcattr = MLX5_ADDR_OF(query_hca_cap_out, out, capability);
812 	attr->log_max_ft_sampler_num =
813 			MLX5_GET(flow_table_nic_cap,
814 			hcattr, flow_table_properties.log_max_ft_sampler_num);
815 
816 	/* Query HCA offloads for Ethernet protocol. */
817 	memset(in, 0, sizeof(in));
818 	memset(out, 0, sizeof(out));
819 	MLX5_SET(query_hca_cap_in, in, opcode, MLX5_CMD_OP_QUERY_HCA_CAP);
820 	MLX5_SET(query_hca_cap_in, in, op_mod,
821 		 MLX5_GET_HCA_CAP_OP_MOD_ETHERNET_OFFLOAD_CAPS |
822 		 MLX5_HCA_CAP_OPMOD_GET_CUR);
823 
824 	rc = mlx5_glue->devx_general_cmd(ctx, in, sizeof(in), out, sizeof(out));
825 	if (rc) {
826 		attr->eth_net_offloads = 0;
827 		goto error;
828 	}
829 	status = MLX5_GET(query_hca_cap_out, out, status);
830 	syndrome = MLX5_GET(query_hca_cap_out, out, syndrome);
831 	if (status) {
832 		DRV_LOG(DEBUG, "Failed to query devx HCA capabilities, "
833 			"status %x, syndrome = %x", status, syndrome);
834 		attr->eth_net_offloads = 0;
835 		return -1;
836 	}
837 	hcattr = MLX5_ADDR_OF(query_hca_cap_out, out, capability);
838 	attr->wqe_vlan_insert = MLX5_GET(per_protocol_networking_offload_caps,
839 					 hcattr, wqe_vlan_insert);
840 	attr->lro_cap = MLX5_GET(per_protocol_networking_offload_caps, hcattr,
841 				 lro_cap);
842 	attr->tunnel_lro_gre = MLX5_GET(per_protocol_networking_offload_caps,
843 					hcattr, tunnel_lro_gre);
844 	attr->tunnel_lro_vxlan = MLX5_GET(per_protocol_networking_offload_caps,
845 					  hcattr, tunnel_lro_vxlan);
846 	attr->lro_max_msg_sz_mode = MLX5_GET
847 					(per_protocol_networking_offload_caps,
848 					 hcattr, lro_max_msg_sz_mode);
849 	for (i = 0 ; i < MLX5_LRO_NUM_SUPP_PERIODS ; i++) {
850 		attr->lro_timer_supported_periods[i] =
851 			MLX5_GET(per_protocol_networking_offload_caps, hcattr,
852 				 lro_timer_supported_periods[i]);
853 	}
854 	attr->lro_min_mss_size = MLX5_GET(per_protocol_networking_offload_caps,
855 					  hcattr, lro_min_mss_size);
856 	attr->tunnel_stateless_geneve_rx =
857 			    MLX5_GET(per_protocol_networking_offload_caps,
858 				     hcattr, tunnel_stateless_geneve_rx);
859 	attr->geneve_max_opt_len =
860 		    MLX5_GET(per_protocol_networking_offload_caps,
861 			     hcattr, max_geneve_opt_len);
862 	attr->wqe_inline_mode = MLX5_GET(per_protocol_networking_offload_caps,
863 					 hcattr, wqe_inline_mode);
864 	attr->tunnel_stateless_gtp = MLX5_GET
865 					(per_protocol_networking_offload_caps,
866 					 hcattr, tunnel_stateless_gtp);
867 	attr->rss_ind_tbl_cap = MLX5_GET
868 					(per_protocol_networking_offload_caps,
869 					 hcattr, rss_ind_tbl_cap);
870 	/* Query HCA attribute for ROCE. */
871 	if (attr->roce) {
872 		memset(in, 0, sizeof(in));
873 		memset(out, 0, sizeof(out));
874 		MLX5_SET(query_hca_cap_in, in, opcode,
875 			 MLX5_CMD_OP_QUERY_HCA_CAP);
876 		MLX5_SET(query_hca_cap_in, in, op_mod,
877 			 MLX5_GET_HCA_CAP_OP_MOD_ROCE |
878 			 MLX5_HCA_CAP_OPMOD_GET_CUR);
879 		rc = mlx5_glue->devx_general_cmd(ctx, in, sizeof(in),
880 						 out, sizeof(out));
881 		if (rc)
882 			goto error;
883 		status = MLX5_GET(query_hca_cap_out, out, status);
884 		syndrome = MLX5_GET(query_hca_cap_out, out, syndrome);
885 		if (status) {
886 			DRV_LOG(DEBUG,
887 				"Failed to query devx HCA ROCE capabilities, "
888 				"status %x, syndrome = %x", status, syndrome);
889 			return -1;
890 		}
891 		hcattr = MLX5_ADDR_OF(query_hca_cap_out, out, capability);
892 		attr->qp_ts_format = MLX5_GET(roce_caps, hcattr, qp_ts_format);
893 	}
894 	if (attr->eth_virt &&
895 	    attr->wqe_inline_mode == MLX5_CAP_INLINE_MODE_VPORT_CONTEXT) {
896 		rc = mlx5_devx_cmd_query_nic_vport_context(ctx, 0, attr);
897 		if (rc) {
898 			attr->eth_virt = 0;
899 			goto error;
900 		}
901 	}
902 	return 0;
903 error:
904 	rc = (rc > 0) ? -rc : rc;
905 	return rc;
906 }
907 
908 /**
909  * Query TIS transport domain from QP verbs object using DevX API.
910  *
911  * @param[in] qp
912  *   Pointer to verbs QP returned by ibv_create_qp .
913  * @param[in] tis_num
914  *   TIS number of TIS to query.
915  * @param[out] tis_td
916  *   Pointer to TIS transport domain variable, to be set by the routine.
917  *
918  * @return
919  *   0 on success, a negative value otherwise.
920  */
921 int
922 mlx5_devx_cmd_qp_query_tis_td(void *qp, uint32_t tis_num,
923 			      uint32_t *tis_td)
924 {
925 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
926 	uint32_t in[MLX5_ST_SZ_DW(query_tis_in)] = {0};
927 	uint32_t out[MLX5_ST_SZ_DW(query_tis_out)] = {0};
928 	int rc;
929 	void *tis_ctx;
930 
931 	MLX5_SET(query_tis_in, in, opcode, MLX5_CMD_OP_QUERY_TIS);
932 	MLX5_SET(query_tis_in, in, tisn, tis_num);
933 	rc = mlx5_glue->devx_qp_query(qp, in, sizeof(in), out, sizeof(out));
934 	if (rc) {
935 		DRV_LOG(ERR, "Failed to query QP using DevX");
936 		return -rc;
937 	};
938 	tis_ctx = MLX5_ADDR_OF(query_tis_out, out, tis_context);
939 	*tis_td = MLX5_GET(tisc, tis_ctx, transport_domain);
940 	return 0;
941 #else
942 	(void)qp;
943 	(void)tis_num;
944 	(void)tis_td;
945 	return -ENOTSUP;
946 #endif
947 }
948 
949 /**
950  * Fill WQ data for DevX API command.
951  * Utility function for use when creating DevX objects containing a WQ.
952  *
953  * @param[in] wq_ctx
954  *   Pointer to WQ context to fill with data.
955  * @param [in] wq_attr
956  *   Pointer to WQ attributes structure to fill in WQ context.
957  */
958 static void
959 devx_cmd_fill_wq_data(void *wq_ctx, struct mlx5_devx_wq_attr *wq_attr)
960 {
961 	MLX5_SET(wq, wq_ctx, wq_type, wq_attr->wq_type);
962 	MLX5_SET(wq, wq_ctx, wq_signature, wq_attr->wq_signature);
963 	MLX5_SET(wq, wq_ctx, end_padding_mode, wq_attr->end_padding_mode);
964 	MLX5_SET(wq, wq_ctx, cd_slave, wq_attr->cd_slave);
965 	MLX5_SET(wq, wq_ctx, hds_skip_first_sge, wq_attr->hds_skip_first_sge);
966 	MLX5_SET(wq, wq_ctx, log2_hds_buf_size, wq_attr->log2_hds_buf_size);
967 	MLX5_SET(wq, wq_ctx, page_offset, wq_attr->page_offset);
968 	MLX5_SET(wq, wq_ctx, lwm, wq_attr->lwm);
969 	MLX5_SET(wq, wq_ctx, pd, wq_attr->pd);
970 	MLX5_SET(wq, wq_ctx, uar_page, wq_attr->uar_page);
971 	MLX5_SET64(wq, wq_ctx, dbr_addr, wq_attr->dbr_addr);
972 	MLX5_SET(wq, wq_ctx, hw_counter, wq_attr->hw_counter);
973 	MLX5_SET(wq, wq_ctx, sw_counter, wq_attr->sw_counter);
974 	MLX5_SET(wq, wq_ctx, log_wq_stride, wq_attr->log_wq_stride);
975 	if (wq_attr->log_wq_pg_sz > MLX5_ADAPTER_PAGE_SHIFT)
976 		MLX5_SET(wq, wq_ctx, log_wq_pg_sz,
977 			 wq_attr->log_wq_pg_sz - MLX5_ADAPTER_PAGE_SHIFT);
978 	MLX5_SET(wq, wq_ctx, log_wq_sz, wq_attr->log_wq_sz);
979 	MLX5_SET(wq, wq_ctx, dbr_umem_valid, wq_attr->dbr_umem_valid);
980 	MLX5_SET(wq, wq_ctx, wq_umem_valid, wq_attr->wq_umem_valid);
981 	MLX5_SET(wq, wq_ctx, log_hairpin_num_packets,
982 		 wq_attr->log_hairpin_num_packets);
983 	MLX5_SET(wq, wq_ctx, log_hairpin_data_sz, wq_attr->log_hairpin_data_sz);
984 	MLX5_SET(wq, wq_ctx, single_wqe_log_num_of_strides,
985 		 wq_attr->single_wqe_log_num_of_strides);
986 	MLX5_SET(wq, wq_ctx, two_byte_shift_en, wq_attr->two_byte_shift_en);
987 	MLX5_SET(wq, wq_ctx, single_stride_log_num_of_bytes,
988 		 wq_attr->single_stride_log_num_of_bytes);
989 	MLX5_SET(wq, wq_ctx, dbr_umem_id, wq_attr->dbr_umem_id);
990 	MLX5_SET(wq, wq_ctx, wq_umem_id, wq_attr->wq_umem_id);
991 	MLX5_SET64(wq, wq_ctx, wq_umem_offset, wq_attr->wq_umem_offset);
992 }
993 
994 /**
995  * Create RQ using DevX API.
996  *
997  * @param[in] ctx
998  *   Context returned from mlx5 open_device() glue function.
999  * @param [in] rq_attr
1000  *   Pointer to create RQ attributes structure.
1001  * @param [in] socket
1002  *   CPU socket ID for allocations.
1003  *
1004  * @return
1005  *   The DevX object created, NULL otherwise and rte_errno is set.
1006  */
1007 struct mlx5_devx_obj *
1008 mlx5_devx_cmd_create_rq(void *ctx,
1009 			struct mlx5_devx_create_rq_attr *rq_attr,
1010 			int socket)
1011 {
1012 	uint32_t in[MLX5_ST_SZ_DW(create_rq_in)] = {0};
1013 	uint32_t out[MLX5_ST_SZ_DW(create_rq_out)] = {0};
1014 	void *rq_ctx, *wq_ctx;
1015 	struct mlx5_devx_wq_attr *wq_attr;
1016 	struct mlx5_devx_obj *rq = NULL;
1017 
1018 	rq = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*rq), 0, socket);
1019 	if (!rq) {
1020 		DRV_LOG(ERR, "Failed to allocate RQ data");
1021 		rte_errno = ENOMEM;
1022 		return NULL;
1023 	}
1024 	MLX5_SET(create_rq_in, in, opcode, MLX5_CMD_OP_CREATE_RQ);
1025 	rq_ctx = MLX5_ADDR_OF(create_rq_in, in, ctx);
1026 	MLX5_SET(rqc, rq_ctx, rlky, rq_attr->rlky);
1027 	MLX5_SET(rqc, rq_ctx, delay_drop_en, rq_attr->delay_drop_en);
1028 	MLX5_SET(rqc, rq_ctx, scatter_fcs, rq_attr->scatter_fcs);
1029 	MLX5_SET(rqc, rq_ctx, vsd, rq_attr->vsd);
1030 	MLX5_SET(rqc, rq_ctx, mem_rq_type, rq_attr->mem_rq_type);
1031 	MLX5_SET(rqc, rq_ctx, state, rq_attr->state);
1032 	MLX5_SET(rqc, rq_ctx, flush_in_error_en, rq_attr->flush_in_error_en);
1033 	MLX5_SET(rqc, rq_ctx, hairpin, rq_attr->hairpin);
1034 	MLX5_SET(rqc, rq_ctx, user_index, rq_attr->user_index);
1035 	MLX5_SET(rqc, rq_ctx, cqn, rq_attr->cqn);
1036 	MLX5_SET(rqc, rq_ctx, counter_set_id, rq_attr->counter_set_id);
1037 	MLX5_SET(rqc, rq_ctx, rmpn, rq_attr->rmpn);
1038 	MLX5_SET(sqc, rq_ctx, ts_format, rq_attr->ts_format);
1039 	wq_ctx = MLX5_ADDR_OF(rqc, rq_ctx, wq);
1040 	wq_attr = &rq_attr->wq_attr;
1041 	devx_cmd_fill_wq_data(wq_ctx, wq_attr);
1042 	rq->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
1043 						  out, sizeof(out));
1044 	if (!rq->obj) {
1045 		DRV_LOG(ERR, "Failed to create RQ using DevX");
1046 		rte_errno = errno;
1047 		mlx5_free(rq);
1048 		return NULL;
1049 	}
1050 	rq->id = MLX5_GET(create_rq_out, out, rqn);
1051 	return rq;
1052 }
1053 
1054 /**
1055  * Modify RQ using DevX API.
1056  *
1057  * @param[in] rq
1058  *   Pointer to RQ object structure.
1059  * @param [in] rq_attr
1060  *   Pointer to modify RQ attributes structure.
1061  *
1062  * @return
1063  *   0 on success, a negative errno value otherwise and rte_errno is set.
1064  */
1065 int
1066 mlx5_devx_cmd_modify_rq(struct mlx5_devx_obj *rq,
1067 			struct mlx5_devx_modify_rq_attr *rq_attr)
1068 {
1069 	uint32_t in[MLX5_ST_SZ_DW(modify_rq_in)] = {0};
1070 	uint32_t out[MLX5_ST_SZ_DW(modify_rq_out)] = {0};
1071 	void *rq_ctx, *wq_ctx;
1072 	int ret;
1073 
1074 	MLX5_SET(modify_rq_in, in, opcode, MLX5_CMD_OP_MODIFY_RQ);
1075 	MLX5_SET(modify_rq_in, in, rq_state, rq_attr->rq_state);
1076 	MLX5_SET(modify_rq_in, in, rqn, rq->id);
1077 	MLX5_SET64(modify_rq_in, in, modify_bitmask, rq_attr->modify_bitmask);
1078 	rq_ctx = MLX5_ADDR_OF(modify_rq_in, in, ctx);
1079 	MLX5_SET(rqc, rq_ctx, state, rq_attr->state);
1080 	if (rq_attr->modify_bitmask &
1081 			MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_SCATTER_FCS)
1082 		MLX5_SET(rqc, rq_ctx, scatter_fcs, rq_attr->scatter_fcs);
1083 	if (rq_attr->modify_bitmask & MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_VSD)
1084 		MLX5_SET(rqc, rq_ctx, vsd, rq_attr->vsd);
1085 	if (rq_attr->modify_bitmask &
1086 			MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_RQ_COUNTER_SET_ID)
1087 		MLX5_SET(rqc, rq_ctx, counter_set_id, rq_attr->counter_set_id);
1088 	MLX5_SET(rqc, rq_ctx, hairpin_peer_sq, rq_attr->hairpin_peer_sq);
1089 	MLX5_SET(rqc, rq_ctx, hairpin_peer_vhca, rq_attr->hairpin_peer_vhca);
1090 	if (rq_attr->modify_bitmask & MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_WQ_LWM) {
1091 		wq_ctx = MLX5_ADDR_OF(rqc, rq_ctx, wq);
1092 		MLX5_SET(wq, wq_ctx, lwm, rq_attr->lwm);
1093 	}
1094 	ret = mlx5_glue->devx_obj_modify(rq->obj, in, sizeof(in),
1095 					 out, sizeof(out));
1096 	if (ret) {
1097 		DRV_LOG(ERR, "Failed to modify RQ using DevX");
1098 		rte_errno = errno;
1099 		return -errno;
1100 	}
1101 	return ret;
1102 }
1103 
1104 /**
1105  * Create TIR using DevX API.
1106  *
1107  * @param[in] ctx
1108  *  Context returned from mlx5 open_device() glue function.
1109  * @param [in] tir_attr
1110  *   Pointer to TIR attributes structure.
1111  *
1112  * @return
1113  *   The DevX object created, NULL otherwise and rte_errno is set.
1114  */
1115 struct mlx5_devx_obj *
1116 mlx5_devx_cmd_create_tir(void *ctx,
1117 			 struct mlx5_devx_tir_attr *tir_attr)
1118 {
1119 	uint32_t in[MLX5_ST_SZ_DW(create_tir_in)] = {0};
1120 	uint32_t out[MLX5_ST_SZ_DW(create_tir_out)] = {0};
1121 	void *tir_ctx, *outer, *inner, *rss_key;
1122 	struct mlx5_devx_obj *tir = NULL;
1123 
1124 	tir = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*tir), 0, SOCKET_ID_ANY);
1125 	if (!tir) {
1126 		DRV_LOG(ERR, "Failed to allocate TIR data");
1127 		rte_errno = ENOMEM;
1128 		return NULL;
1129 	}
1130 	MLX5_SET(create_tir_in, in, opcode, MLX5_CMD_OP_CREATE_TIR);
1131 	tir_ctx = MLX5_ADDR_OF(create_tir_in, in, ctx);
1132 	MLX5_SET(tirc, tir_ctx, disp_type, tir_attr->disp_type);
1133 	MLX5_SET(tirc, tir_ctx, lro_timeout_period_usecs,
1134 		 tir_attr->lro_timeout_period_usecs);
1135 	MLX5_SET(tirc, tir_ctx, lro_enable_mask, tir_attr->lro_enable_mask);
1136 	MLX5_SET(tirc, tir_ctx, lro_max_msg_sz, tir_attr->lro_max_msg_sz);
1137 	MLX5_SET(tirc, tir_ctx, inline_rqn, tir_attr->inline_rqn);
1138 	MLX5_SET(tirc, tir_ctx, rx_hash_symmetric, tir_attr->rx_hash_symmetric);
1139 	MLX5_SET(tirc, tir_ctx, tunneled_offload_en,
1140 		 tir_attr->tunneled_offload_en);
1141 	MLX5_SET(tirc, tir_ctx, indirect_table, tir_attr->indirect_table);
1142 	MLX5_SET(tirc, tir_ctx, rx_hash_fn, tir_attr->rx_hash_fn);
1143 	MLX5_SET(tirc, tir_ctx, self_lb_block, tir_attr->self_lb_block);
1144 	MLX5_SET(tirc, tir_ctx, transport_domain, tir_attr->transport_domain);
1145 	rss_key = MLX5_ADDR_OF(tirc, tir_ctx, rx_hash_toeplitz_key);
1146 	memcpy(rss_key, tir_attr->rx_hash_toeplitz_key, MLX5_RSS_HASH_KEY_LEN);
1147 	outer = MLX5_ADDR_OF(tirc, tir_ctx, rx_hash_field_selector_outer);
1148 	MLX5_SET(rx_hash_field_select, outer, l3_prot_type,
1149 		 tir_attr->rx_hash_field_selector_outer.l3_prot_type);
1150 	MLX5_SET(rx_hash_field_select, outer, l4_prot_type,
1151 		 tir_attr->rx_hash_field_selector_outer.l4_prot_type);
1152 	MLX5_SET(rx_hash_field_select, outer, selected_fields,
1153 		 tir_attr->rx_hash_field_selector_outer.selected_fields);
1154 	inner = MLX5_ADDR_OF(tirc, tir_ctx, rx_hash_field_selector_inner);
1155 	MLX5_SET(rx_hash_field_select, inner, l3_prot_type,
1156 		 tir_attr->rx_hash_field_selector_inner.l3_prot_type);
1157 	MLX5_SET(rx_hash_field_select, inner, l4_prot_type,
1158 		 tir_attr->rx_hash_field_selector_inner.l4_prot_type);
1159 	MLX5_SET(rx_hash_field_select, inner, selected_fields,
1160 		 tir_attr->rx_hash_field_selector_inner.selected_fields);
1161 	tir->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
1162 						   out, sizeof(out));
1163 	if (!tir->obj) {
1164 		DRV_LOG(ERR, "Failed to create TIR using DevX");
1165 		rte_errno = errno;
1166 		mlx5_free(tir);
1167 		return NULL;
1168 	}
1169 	tir->id = MLX5_GET(create_tir_out, out, tirn);
1170 	return tir;
1171 }
1172 
1173 /**
1174  * Modify TIR using DevX API.
1175  *
1176  * @param[in] tir
1177  *   Pointer to TIR DevX object structure.
1178  * @param [in] modify_tir_attr
1179  *   Pointer to TIR modification attributes structure.
1180  *
1181  * @return
1182  *   0 on success, a negative errno value otherwise and rte_errno is set.
1183  */
1184 int
1185 mlx5_devx_cmd_modify_tir(struct mlx5_devx_obj *tir,
1186 			 struct mlx5_devx_modify_tir_attr *modify_tir_attr)
1187 {
1188 	struct mlx5_devx_tir_attr *tir_attr = &modify_tir_attr->tir;
1189 	uint32_t in[MLX5_ST_SZ_DW(modify_tir_in)] = {0};
1190 	uint32_t out[MLX5_ST_SZ_DW(modify_tir_out)] = {0};
1191 	void *tir_ctx;
1192 	int ret;
1193 
1194 	MLX5_SET(modify_tir_in, in, opcode, MLX5_CMD_OP_MODIFY_TIR);
1195 	MLX5_SET(modify_tir_in, in, tirn, modify_tir_attr->tirn);
1196 	MLX5_SET64(modify_tir_in, in, modify_bitmask,
1197 		   modify_tir_attr->modify_bitmask);
1198 	tir_ctx = MLX5_ADDR_OF(modify_rq_in, in, ctx);
1199 	if (modify_tir_attr->modify_bitmask &
1200 			MLX5_MODIFY_TIR_IN_MODIFY_BITMASK_LRO) {
1201 		MLX5_SET(tirc, tir_ctx, lro_timeout_period_usecs,
1202 			 tir_attr->lro_timeout_period_usecs);
1203 		MLX5_SET(tirc, tir_ctx, lro_enable_mask,
1204 			 tir_attr->lro_enable_mask);
1205 		MLX5_SET(tirc, tir_ctx, lro_max_msg_sz,
1206 			 tir_attr->lro_max_msg_sz);
1207 	}
1208 	if (modify_tir_attr->modify_bitmask &
1209 			MLX5_MODIFY_TIR_IN_MODIFY_BITMASK_INDIRECT_TABLE)
1210 		MLX5_SET(tirc, tir_ctx, indirect_table,
1211 			 tir_attr->indirect_table);
1212 	if (modify_tir_attr->modify_bitmask &
1213 			MLX5_MODIFY_TIR_IN_MODIFY_BITMASK_HASH) {
1214 		int i;
1215 		void *outer, *inner;
1216 
1217 		MLX5_SET(tirc, tir_ctx, rx_hash_symmetric,
1218 			 tir_attr->rx_hash_symmetric);
1219 		MLX5_SET(tirc, tir_ctx, rx_hash_fn, tir_attr->rx_hash_fn);
1220 		for (i = 0; i < 10; i++) {
1221 			MLX5_SET(tirc, tir_ctx, rx_hash_toeplitz_key[i],
1222 				 tir_attr->rx_hash_toeplitz_key[i]);
1223 		}
1224 		outer = MLX5_ADDR_OF(tirc, tir_ctx,
1225 				     rx_hash_field_selector_outer);
1226 		MLX5_SET(rx_hash_field_select, outer, l3_prot_type,
1227 			 tir_attr->rx_hash_field_selector_outer.l3_prot_type);
1228 		MLX5_SET(rx_hash_field_select, outer, l4_prot_type,
1229 			 tir_attr->rx_hash_field_selector_outer.l4_prot_type);
1230 		MLX5_SET
1231 		(rx_hash_field_select, outer, selected_fields,
1232 		 tir_attr->rx_hash_field_selector_outer.selected_fields);
1233 		inner = MLX5_ADDR_OF(tirc, tir_ctx,
1234 				     rx_hash_field_selector_inner);
1235 		MLX5_SET(rx_hash_field_select, inner, l3_prot_type,
1236 			 tir_attr->rx_hash_field_selector_inner.l3_prot_type);
1237 		MLX5_SET(rx_hash_field_select, inner, l4_prot_type,
1238 			 tir_attr->rx_hash_field_selector_inner.l4_prot_type);
1239 		MLX5_SET
1240 		(rx_hash_field_select, inner, selected_fields,
1241 		 tir_attr->rx_hash_field_selector_inner.selected_fields);
1242 	}
1243 	if (modify_tir_attr->modify_bitmask &
1244 	    MLX5_MODIFY_TIR_IN_MODIFY_BITMASK_SELF_LB_EN) {
1245 		MLX5_SET(tirc, tir_ctx, self_lb_block, tir_attr->self_lb_block);
1246 	}
1247 	ret = mlx5_glue->devx_obj_modify(tir->obj, in, sizeof(in),
1248 					 out, sizeof(out));
1249 	if (ret) {
1250 		DRV_LOG(ERR, "Failed to modify TIR using DevX");
1251 		rte_errno = errno;
1252 		return -errno;
1253 	}
1254 	return ret;
1255 }
1256 
1257 /**
1258  * Create RQT using DevX API.
1259  *
1260  * @param[in] ctx
1261  *   Context returned from mlx5 open_device() glue function.
1262  * @param [in] rqt_attr
1263  *   Pointer to RQT attributes structure.
1264  *
1265  * @return
1266  *   The DevX object created, NULL otherwise and rte_errno is set.
1267  */
1268 struct mlx5_devx_obj *
1269 mlx5_devx_cmd_create_rqt(void *ctx,
1270 			 struct mlx5_devx_rqt_attr *rqt_attr)
1271 {
1272 	uint32_t *in = NULL;
1273 	uint32_t inlen = MLX5_ST_SZ_BYTES(create_rqt_in) +
1274 			 rqt_attr->rqt_actual_size * sizeof(uint32_t);
1275 	uint32_t out[MLX5_ST_SZ_DW(create_rqt_out)] = {0};
1276 	void *rqt_ctx;
1277 	struct mlx5_devx_obj *rqt = NULL;
1278 	int i;
1279 
1280 	in = mlx5_malloc(MLX5_MEM_ZERO, inlen, 0, SOCKET_ID_ANY);
1281 	if (!in) {
1282 		DRV_LOG(ERR, "Failed to allocate RQT IN data");
1283 		rte_errno = ENOMEM;
1284 		return NULL;
1285 	}
1286 	rqt = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*rqt), 0, SOCKET_ID_ANY);
1287 	if (!rqt) {
1288 		DRV_LOG(ERR, "Failed to allocate RQT data");
1289 		rte_errno = ENOMEM;
1290 		mlx5_free(in);
1291 		return NULL;
1292 	}
1293 	MLX5_SET(create_rqt_in, in, opcode, MLX5_CMD_OP_CREATE_RQT);
1294 	rqt_ctx = MLX5_ADDR_OF(create_rqt_in, in, rqt_context);
1295 	MLX5_SET(rqtc, rqt_ctx, list_q_type, rqt_attr->rq_type);
1296 	MLX5_SET(rqtc, rqt_ctx, rqt_max_size, rqt_attr->rqt_max_size);
1297 	MLX5_SET(rqtc, rqt_ctx, rqt_actual_size, rqt_attr->rqt_actual_size);
1298 	for (i = 0; i < rqt_attr->rqt_actual_size; i++)
1299 		MLX5_SET(rqtc, rqt_ctx, rq_num[i], rqt_attr->rq_list[i]);
1300 	rqt->obj = mlx5_glue->devx_obj_create(ctx, in, inlen, out, sizeof(out));
1301 	mlx5_free(in);
1302 	if (!rqt->obj) {
1303 		DRV_LOG(ERR, "Failed to create RQT using DevX");
1304 		rte_errno = errno;
1305 		mlx5_free(rqt);
1306 		return NULL;
1307 	}
1308 	rqt->id = MLX5_GET(create_rqt_out, out, rqtn);
1309 	return rqt;
1310 }
1311 
1312 /**
1313  * Modify RQT using DevX API.
1314  *
1315  * @param[in] rqt
1316  *   Pointer to RQT DevX object structure.
1317  * @param [in] rqt_attr
1318  *   Pointer to RQT attributes structure.
1319  *
1320  * @return
1321  *   0 on success, a negative errno value otherwise and rte_errno is set.
1322  */
1323 int
1324 mlx5_devx_cmd_modify_rqt(struct mlx5_devx_obj *rqt,
1325 			 struct mlx5_devx_rqt_attr *rqt_attr)
1326 {
1327 	uint32_t inlen = MLX5_ST_SZ_BYTES(modify_rqt_in) +
1328 			 rqt_attr->rqt_actual_size * sizeof(uint32_t);
1329 	uint32_t out[MLX5_ST_SZ_DW(modify_rqt_out)] = {0};
1330 	uint32_t *in = mlx5_malloc(MLX5_MEM_ZERO, inlen, 0, SOCKET_ID_ANY);
1331 	void *rqt_ctx;
1332 	int i;
1333 	int ret;
1334 
1335 	if (!in) {
1336 		DRV_LOG(ERR, "Failed to allocate RQT modify IN data.");
1337 		rte_errno = ENOMEM;
1338 		return -ENOMEM;
1339 	}
1340 	MLX5_SET(modify_rqt_in, in, opcode, MLX5_CMD_OP_MODIFY_RQT);
1341 	MLX5_SET(modify_rqt_in, in, rqtn, rqt->id);
1342 	MLX5_SET64(modify_rqt_in, in, modify_bitmask, 0x1);
1343 	rqt_ctx = MLX5_ADDR_OF(modify_rqt_in, in, rqt_context);
1344 	MLX5_SET(rqtc, rqt_ctx, list_q_type, rqt_attr->rq_type);
1345 	MLX5_SET(rqtc, rqt_ctx, rqt_max_size, rqt_attr->rqt_max_size);
1346 	MLX5_SET(rqtc, rqt_ctx, rqt_actual_size, rqt_attr->rqt_actual_size);
1347 	for (i = 0; i < rqt_attr->rqt_actual_size; i++)
1348 		MLX5_SET(rqtc, rqt_ctx, rq_num[i], rqt_attr->rq_list[i]);
1349 	ret = mlx5_glue->devx_obj_modify(rqt->obj, in, inlen, out, sizeof(out));
1350 	mlx5_free(in);
1351 	if (ret) {
1352 		DRV_LOG(ERR, "Failed to modify RQT using DevX.");
1353 		rte_errno = errno;
1354 		return -rte_errno;
1355 	}
1356 	return ret;
1357 }
1358 
1359 /**
1360  * Create SQ using DevX API.
1361  *
1362  * @param[in] ctx
1363  *   Context returned from mlx5 open_device() glue function.
1364  * @param [in] sq_attr
1365  *   Pointer to SQ attributes structure.
1366  * @param [in] socket
1367  *   CPU socket ID for allocations.
1368  *
1369  * @return
1370  *   The DevX object created, NULL otherwise and rte_errno is set.
1371  **/
1372 struct mlx5_devx_obj *
1373 mlx5_devx_cmd_create_sq(void *ctx,
1374 			struct mlx5_devx_create_sq_attr *sq_attr)
1375 {
1376 	uint32_t in[MLX5_ST_SZ_DW(create_sq_in)] = {0};
1377 	uint32_t out[MLX5_ST_SZ_DW(create_sq_out)] = {0};
1378 	void *sq_ctx;
1379 	void *wq_ctx;
1380 	struct mlx5_devx_wq_attr *wq_attr;
1381 	struct mlx5_devx_obj *sq = NULL;
1382 
1383 	sq = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*sq), 0, SOCKET_ID_ANY);
1384 	if (!sq) {
1385 		DRV_LOG(ERR, "Failed to allocate SQ data");
1386 		rte_errno = ENOMEM;
1387 		return NULL;
1388 	}
1389 	MLX5_SET(create_sq_in, in, opcode, MLX5_CMD_OP_CREATE_SQ);
1390 	sq_ctx = MLX5_ADDR_OF(create_sq_in, in, ctx);
1391 	MLX5_SET(sqc, sq_ctx, rlky, sq_attr->rlky);
1392 	MLX5_SET(sqc, sq_ctx, cd_master, sq_attr->cd_master);
1393 	MLX5_SET(sqc, sq_ctx, fre, sq_attr->fre);
1394 	MLX5_SET(sqc, sq_ctx, flush_in_error_en, sq_attr->flush_in_error_en);
1395 	MLX5_SET(sqc, sq_ctx, allow_multi_pkt_send_wqe,
1396 		 sq_attr->allow_multi_pkt_send_wqe);
1397 	MLX5_SET(sqc, sq_ctx, min_wqe_inline_mode,
1398 		 sq_attr->min_wqe_inline_mode);
1399 	MLX5_SET(sqc, sq_ctx, state, sq_attr->state);
1400 	MLX5_SET(sqc, sq_ctx, reg_umr, sq_attr->reg_umr);
1401 	MLX5_SET(sqc, sq_ctx, allow_swp, sq_attr->allow_swp);
1402 	MLX5_SET(sqc, sq_ctx, hairpin, sq_attr->hairpin);
1403 	MLX5_SET(sqc, sq_ctx, non_wire, sq_attr->non_wire);
1404 	MLX5_SET(sqc, sq_ctx, static_sq_wq, sq_attr->static_sq_wq);
1405 	MLX5_SET(sqc, sq_ctx, user_index, sq_attr->user_index);
1406 	MLX5_SET(sqc, sq_ctx, cqn, sq_attr->cqn);
1407 	MLX5_SET(sqc, sq_ctx, packet_pacing_rate_limit_index,
1408 		 sq_attr->packet_pacing_rate_limit_index);
1409 	MLX5_SET(sqc, sq_ctx, tis_lst_sz, sq_attr->tis_lst_sz);
1410 	MLX5_SET(sqc, sq_ctx, tis_num_0, sq_attr->tis_num);
1411 	MLX5_SET(sqc, sq_ctx, ts_format, sq_attr->ts_format);
1412 	wq_ctx = MLX5_ADDR_OF(sqc, sq_ctx, wq);
1413 	wq_attr = &sq_attr->wq_attr;
1414 	devx_cmd_fill_wq_data(wq_ctx, wq_attr);
1415 	sq->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
1416 					     out, sizeof(out));
1417 	if (!sq->obj) {
1418 		DRV_LOG(ERR, "Failed to create SQ using DevX");
1419 		rte_errno = errno;
1420 		mlx5_free(sq);
1421 		return NULL;
1422 	}
1423 	sq->id = MLX5_GET(create_sq_out, out, sqn);
1424 	return sq;
1425 }
1426 
1427 /**
1428  * Modify SQ using DevX API.
1429  *
1430  * @param[in] sq
1431  *   Pointer to SQ object structure.
1432  * @param [in] sq_attr
1433  *   Pointer to SQ attributes structure.
1434  *
1435  * @return
1436  *   0 on success, a negative errno value otherwise and rte_errno is set.
1437  */
1438 int
1439 mlx5_devx_cmd_modify_sq(struct mlx5_devx_obj *sq,
1440 			struct mlx5_devx_modify_sq_attr *sq_attr)
1441 {
1442 	uint32_t in[MLX5_ST_SZ_DW(modify_sq_in)] = {0};
1443 	uint32_t out[MLX5_ST_SZ_DW(modify_sq_out)] = {0};
1444 	void *sq_ctx;
1445 	int ret;
1446 
1447 	MLX5_SET(modify_sq_in, in, opcode, MLX5_CMD_OP_MODIFY_SQ);
1448 	MLX5_SET(modify_sq_in, in, sq_state, sq_attr->sq_state);
1449 	MLX5_SET(modify_sq_in, in, sqn, sq->id);
1450 	sq_ctx = MLX5_ADDR_OF(modify_sq_in, in, ctx);
1451 	MLX5_SET(sqc, sq_ctx, state, sq_attr->state);
1452 	MLX5_SET(sqc, sq_ctx, hairpin_peer_rq, sq_attr->hairpin_peer_rq);
1453 	MLX5_SET(sqc, sq_ctx, hairpin_peer_vhca, sq_attr->hairpin_peer_vhca);
1454 	ret = mlx5_glue->devx_obj_modify(sq->obj, in, sizeof(in),
1455 					 out, sizeof(out));
1456 	if (ret) {
1457 		DRV_LOG(ERR, "Failed to modify SQ using DevX");
1458 		rte_errno = errno;
1459 		return -rte_errno;
1460 	}
1461 	return ret;
1462 }
1463 
1464 /**
1465  * Create TIS using DevX API.
1466  *
1467  * @param[in] ctx
1468  *   Context returned from mlx5 open_device() glue function.
1469  * @param [in] tis_attr
1470  *   Pointer to TIS attributes structure.
1471  *
1472  * @return
1473  *   The DevX object created, NULL otherwise and rte_errno is set.
1474  */
1475 struct mlx5_devx_obj *
1476 mlx5_devx_cmd_create_tis(void *ctx,
1477 			 struct mlx5_devx_tis_attr *tis_attr)
1478 {
1479 	uint32_t in[MLX5_ST_SZ_DW(create_tis_in)] = {0};
1480 	uint32_t out[MLX5_ST_SZ_DW(create_tis_out)] = {0};
1481 	struct mlx5_devx_obj *tis = NULL;
1482 	void *tis_ctx;
1483 
1484 	tis = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*tis), 0, SOCKET_ID_ANY);
1485 	if (!tis) {
1486 		DRV_LOG(ERR, "Failed to allocate TIS object");
1487 		rte_errno = ENOMEM;
1488 		return NULL;
1489 	}
1490 	MLX5_SET(create_tis_in, in, opcode, MLX5_CMD_OP_CREATE_TIS);
1491 	tis_ctx = MLX5_ADDR_OF(create_tis_in, in, ctx);
1492 	MLX5_SET(tisc, tis_ctx, strict_lag_tx_port_affinity,
1493 		 tis_attr->strict_lag_tx_port_affinity);
1494 	MLX5_SET(tisc, tis_ctx, lag_tx_port_affinity,
1495 		 tis_attr->lag_tx_port_affinity);
1496 	MLX5_SET(tisc, tis_ctx, prio, tis_attr->prio);
1497 	MLX5_SET(tisc, tis_ctx, transport_domain,
1498 		 tis_attr->transport_domain);
1499 	tis->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
1500 					      out, sizeof(out));
1501 	if (!tis->obj) {
1502 		DRV_LOG(ERR, "Failed to create TIS using DevX");
1503 		rte_errno = errno;
1504 		mlx5_free(tis);
1505 		return NULL;
1506 	}
1507 	tis->id = MLX5_GET(create_tis_out, out, tisn);
1508 	return tis;
1509 }
1510 
1511 /**
1512  * Create transport domain using DevX API.
1513  *
1514  * @param[in] ctx
1515  *   Context returned from mlx5 open_device() glue function.
1516  * @return
1517  *   The DevX object created, NULL otherwise and rte_errno is set.
1518  */
1519 struct mlx5_devx_obj *
1520 mlx5_devx_cmd_create_td(void *ctx)
1521 {
1522 	uint32_t in[MLX5_ST_SZ_DW(alloc_transport_domain_in)] = {0};
1523 	uint32_t out[MLX5_ST_SZ_DW(alloc_transport_domain_out)] = {0};
1524 	struct mlx5_devx_obj *td = NULL;
1525 
1526 	td = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*td), 0, SOCKET_ID_ANY);
1527 	if (!td) {
1528 		DRV_LOG(ERR, "Failed to allocate TD object");
1529 		rte_errno = ENOMEM;
1530 		return NULL;
1531 	}
1532 	MLX5_SET(alloc_transport_domain_in, in, opcode,
1533 		 MLX5_CMD_OP_ALLOC_TRANSPORT_DOMAIN);
1534 	td->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
1535 					     out, sizeof(out));
1536 	if (!td->obj) {
1537 		DRV_LOG(ERR, "Failed to create TIS using DevX");
1538 		rte_errno = errno;
1539 		mlx5_free(td);
1540 		return NULL;
1541 	}
1542 	td->id = MLX5_GET(alloc_transport_domain_out, out,
1543 			   transport_domain);
1544 	return td;
1545 }
1546 
1547 /**
1548  * Dump all flows to file.
1549  *
1550  * @param[in] fdb_domain
1551  *   FDB domain.
1552  * @param[in] rx_domain
1553  *   RX domain.
1554  * @param[in] tx_domain
1555  *   TX domain.
1556  * @param[out] file
1557  *   Pointer to file stream.
1558  *
1559  * @return
1560  *   0 on success, a nagative value otherwise.
1561  */
1562 int
1563 mlx5_devx_cmd_flow_dump(void *fdb_domain __rte_unused,
1564 			void *rx_domain __rte_unused,
1565 			void *tx_domain __rte_unused, FILE *file __rte_unused)
1566 {
1567 	int ret = 0;
1568 
1569 #ifdef HAVE_MLX5_DR_FLOW_DUMP
1570 	if (fdb_domain) {
1571 		ret = mlx5_glue->dr_dump_domain(file, fdb_domain);
1572 		if (ret)
1573 			return ret;
1574 	}
1575 	MLX5_ASSERT(rx_domain);
1576 	ret = mlx5_glue->dr_dump_domain(file, rx_domain);
1577 	if (ret)
1578 		return ret;
1579 	MLX5_ASSERT(tx_domain);
1580 	ret = mlx5_glue->dr_dump_domain(file, tx_domain);
1581 #else
1582 	ret = ENOTSUP;
1583 #endif
1584 	return -ret;
1585 }
1586 
1587 int
1588 mlx5_devx_cmd_flow_single_dump(void *rule_info __rte_unused,
1589 			FILE *file __rte_unused)
1590 {
1591 	int ret = 0;
1592 #ifdef HAVE_MLX5_DR_FLOW_DUMP_RULE
1593 	if (rule_info)
1594 		ret = mlx5_glue->dr_dump_rule(file, rule_info);
1595 #else
1596 	ret = ENOTSUP;
1597 #endif
1598 	return -ret;
1599 }
1600 
1601 /*
1602  * Create CQ using DevX API.
1603  *
1604  * @param[in] ctx
1605  *   Context returned from mlx5 open_device() glue function.
1606  * @param [in] attr
1607  *   Pointer to CQ attributes structure.
1608  *
1609  * @return
1610  *   The DevX object created, NULL otherwise and rte_errno is set.
1611  */
1612 struct mlx5_devx_obj *
1613 mlx5_devx_cmd_create_cq(void *ctx, struct mlx5_devx_cq_attr *attr)
1614 {
1615 	uint32_t in[MLX5_ST_SZ_DW(create_cq_in)] = {0};
1616 	uint32_t out[MLX5_ST_SZ_DW(create_cq_out)] = {0};
1617 	struct mlx5_devx_obj *cq_obj = mlx5_malloc(MLX5_MEM_ZERO,
1618 						   sizeof(*cq_obj),
1619 						   0, SOCKET_ID_ANY);
1620 	void *cqctx = MLX5_ADDR_OF(create_cq_in, in, cq_context);
1621 
1622 	if (!cq_obj) {
1623 		DRV_LOG(ERR, "Failed to allocate CQ object memory.");
1624 		rte_errno = ENOMEM;
1625 		return NULL;
1626 	}
1627 	MLX5_SET(create_cq_in, in, opcode, MLX5_CMD_OP_CREATE_CQ);
1628 	if (attr->db_umem_valid) {
1629 		MLX5_SET(cqc, cqctx, dbr_umem_valid, attr->db_umem_valid);
1630 		MLX5_SET(cqc, cqctx, dbr_umem_id, attr->db_umem_id);
1631 		MLX5_SET64(cqc, cqctx, dbr_addr, attr->db_umem_offset);
1632 	} else {
1633 		MLX5_SET64(cqc, cqctx, dbr_addr, attr->db_addr);
1634 	}
1635 	MLX5_SET(cqc, cqctx, cqe_sz, (RTE_CACHE_LINE_SIZE == 128) ?
1636 				     MLX5_CQE_SIZE_128B : MLX5_CQE_SIZE_64B);
1637 	MLX5_SET(cqc, cqctx, cc, attr->use_first_only);
1638 	MLX5_SET(cqc, cqctx, oi, attr->overrun_ignore);
1639 	MLX5_SET(cqc, cqctx, log_cq_size, attr->log_cq_size);
1640 	if (attr->log_page_size > MLX5_ADAPTER_PAGE_SHIFT)
1641 		MLX5_SET(cqc, cqctx, log_page_size,
1642 			 attr->log_page_size - MLX5_ADAPTER_PAGE_SHIFT);
1643 	MLX5_SET(cqc, cqctx, c_eqn, attr->eqn);
1644 	MLX5_SET(cqc, cqctx, uar_page, attr->uar_page_id);
1645 	MLX5_SET(cqc, cqctx, cqe_comp_en, !!attr->cqe_comp_en);
1646 	MLX5_SET(cqc, cqctx, mini_cqe_res_format, attr->mini_cqe_res_format);
1647 	MLX5_SET(cqc, cqctx, mini_cqe_res_format_ext,
1648 		 attr->mini_cqe_res_format_ext);
1649 	if (attr->q_umem_valid) {
1650 		MLX5_SET(create_cq_in, in, cq_umem_valid, attr->q_umem_valid);
1651 		MLX5_SET(create_cq_in, in, cq_umem_id, attr->q_umem_id);
1652 		MLX5_SET64(create_cq_in, in, cq_umem_offset,
1653 			   attr->q_umem_offset);
1654 	}
1655 	cq_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in), out,
1656 						 sizeof(out));
1657 	if (!cq_obj->obj) {
1658 		rte_errno = errno;
1659 		DRV_LOG(ERR, "Failed to create CQ using DevX errno=%d.", errno);
1660 		mlx5_free(cq_obj);
1661 		return NULL;
1662 	}
1663 	cq_obj->id = MLX5_GET(create_cq_out, out, cqn);
1664 	return cq_obj;
1665 }
1666 
1667 /**
1668  * Create VIRTQ using DevX API.
1669  *
1670  * @param[in] ctx
1671  *   Context returned from mlx5 open_device() glue function.
1672  * @param [in] attr
1673  *   Pointer to VIRTQ attributes structure.
1674  *
1675  * @return
1676  *   The DevX object created, NULL otherwise and rte_errno is set.
1677  */
1678 struct mlx5_devx_obj *
1679 mlx5_devx_cmd_create_virtq(void *ctx,
1680 			   struct mlx5_devx_virtq_attr *attr)
1681 {
1682 	uint32_t in[MLX5_ST_SZ_DW(create_virtq_in)] = {0};
1683 	uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0};
1684 	struct mlx5_devx_obj *virtq_obj = mlx5_malloc(MLX5_MEM_ZERO,
1685 						     sizeof(*virtq_obj),
1686 						     0, SOCKET_ID_ANY);
1687 	void *virtq = MLX5_ADDR_OF(create_virtq_in, in, virtq);
1688 	void *hdr = MLX5_ADDR_OF(create_virtq_in, in, hdr);
1689 	void *virtctx = MLX5_ADDR_OF(virtio_net_q, virtq, virtio_q_context);
1690 
1691 	if (!virtq_obj) {
1692 		DRV_LOG(ERR, "Failed to allocate virtq data.");
1693 		rte_errno = ENOMEM;
1694 		return NULL;
1695 	}
1696 	MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
1697 		 MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
1698 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
1699 		 MLX5_GENERAL_OBJ_TYPE_VIRTQ);
1700 	MLX5_SET16(virtio_net_q, virtq, hw_available_index,
1701 		   attr->hw_available_index);
1702 	MLX5_SET16(virtio_net_q, virtq, hw_used_index, attr->hw_used_index);
1703 	MLX5_SET16(virtio_net_q, virtq, tso_ipv4, attr->tso_ipv4);
1704 	MLX5_SET16(virtio_net_q, virtq, tso_ipv6, attr->tso_ipv6);
1705 	MLX5_SET16(virtio_net_q, virtq, tx_csum, attr->tx_csum);
1706 	MLX5_SET16(virtio_net_q, virtq, rx_csum, attr->rx_csum);
1707 	MLX5_SET16(virtio_q, virtctx, virtio_version_1_0,
1708 		   attr->virtio_version_1_0);
1709 	MLX5_SET16(virtio_q, virtctx, event_mode, attr->event_mode);
1710 	MLX5_SET(virtio_q, virtctx, event_qpn_or_msix, attr->qp_id);
1711 	MLX5_SET64(virtio_q, virtctx, desc_addr, attr->desc_addr);
1712 	MLX5_SET64(virtio_q, virtctx, used_addr, attr->used_addr);
1713 	MLX5_SET64(virtio_q, virtctx, available_addr, attr->available_addr);
1714 	MLX5_SET16(virtio_q, virtctx, queue_index, attr->queue_index);
1715 	MLX5_SET16(virtio_q, virtctx, queue_size, attr->q_size);
1716 	MLX5_SET(virtio_q, virtctx, virtio_q_mkey, attr->mkey);
1717 	MLX5_SET(virtio_q, virtctx, umem_1_id, attr->umems[0].id);
1718 	MLX5_SET(virtio_q, virtctx, umem_1_size, attr->umems[0].size);
1719 	MLX5_SET64(virtio_q, virtctx, umem_1_offset, attr->umems[0].offset);
1720 	MLX5_SET(virtio_q, virtctx, umem_2_id, attr->umems[1].id);
1721 	MLX5_SET(virtio_q, virtctx, umem_2_size, attr->umems[1].size);
1722 	MLX5_SET64(virtio_q, virtctx, umem_2_offset, attr->umems[1].offset);
1723 	MLX5_SET(virtio_q, virtctx, umem_3_id, attr->umems[2].id);
1724 	MLX5_SET(virtio_q, virtctx, umem_3_size, attr->umems[2].size);
1725 	MLX5_SET64(virtio_q, virtctx, umem_3_offset, attr->umems[2].offset);
1726 	MLX5_SET(virtio_q, virtctx, counter_set_id, attr->counters_obj_id);
1727 	MLX5_SET(virtio_q, virtctx, pd, attr->pd);
1728 	MLX5_SET(virtio_q, virtctx, queue_period_mode, attr->hw_latency_mode);
1729 	MLX5_SET(virtio_q, virtctx, queue_period_us, attr->hw_max_latency_us);
1730 	MLX5_SET(virtio_q, virtctx, queue_max_count, attr->hw_max_pending_comp);
1731 	MLX5_SET(virtio_net_q, virtq, tisn_or_qpn, attr->tis_id);
1732 	virtq_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in), out,
1733 						    sizeof(out));
1734 	if (!virtq_obj->obj) {
1735 		rte_errno = errno;
1736 		DRV_LOG(ERR, "Failed to create VIRTQ Obj using DevX.");
1737 		mlx5_free(virtq_obj);
1738 		return NULL;
1739 	}
1740 	virtq_obj->id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
1741 	return virtq_obj;
1742 }
1743 
1744 /**
1745  * Modify VIRTQ using DevX API.
1746  *
1747  * @param[in] virtq_obj
1748  *   Pointer to virtq object structure.
1749  * @param [in] attr
1750  *   Pointer to modify virtq attributes structure.
1751  *
1752  * @return
1753  *   0 on success, a negative errno value otherwise and rte_errno is set.
1754  */
1755 int
1756 mlx5_devx_cmd_modify_virtq(struct mlx5_devx_obj *virtq_obj,
1757 			   struct mlx5_devx_virtq_attr *attr)
1758 {
1759 	uint32_t in[MLX5_ST_SZ_DW(create_virtq_in)] = {0};
1760 	uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0};
1761 	void *virtq = MLX5_ADDR_OF(create_virtq_in, in, virtq);
1762 	void *hdr = MLX5_ADDR_OF(create_virtq_in, in, hdr);
1763 	void *virtctx = MLX5_ADDR_OF(virtio_net_q, virtq, virtio_q_context);
1764 	int ret;
1765 
1766 	MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
1767 		 MLX5_CMD_OP_MODIFY_GENERAL_OBJECT);
1768 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
1769 		 MLX5_GENERAL_OBJ_TYPE_VIRTQ);
1770 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_id, virtq_obj->id);
1771 	MLX5_SET64(virtio_net_q, virtq, modify_field_select, attr->type);
1772 	MLX5_SET16(virtio_q, virtctx, queue_index, attr->queue_index);
1773 	switch (attr->type) {
1774 	case MLX5_VIRTQ_MODIFY_TYPE_STATE:
1775 		MLX5_SET16(virtio_net_q, virtq, state, attr->state);
1776 		break;
1777 	case MLX5_VIRTQ_MODIFY_TYPE_DIRTY_BITMAP_PARAMS:
1778 		MLX5_SET(virtio_net_q, virtq, dirty_bitmap_mkey,
1779 			 attr->dirty_bitmap_mkey);
1780 		MLX5_SET64(virtio_net_q, virtq, dirty_bitmap_addr,
1781 			 attr->dirty_bitmap_addr);
1782 		MLX5_SET(virtio_net_q, virtq, dirty_bitmap_size,
1783 			 attr->dirty_bitmap_size);
1784 		break;
1785 	case MLX5_VIRTQ_MODIFY_TYPE_DIRTY_BITMAP_DUMP_ENABLE:
1786 		MLX5_SET(virtio_net_q, virtq, dirty_bitmap_dump_enable,
1787 			 attr->dirty_bitmap_dump_enable);
1788 		break;
1789 	default:
1790 		rte_errno = EINVAL;
1791 		return -rte_errno;
1792 	}
1793 	ret = mlx5_glue->devx_obj_modify(virtq_obj->obj, in, sizeof(in),
1794 					 out, sizeof(out));
1795 	if (ret) {
1796 		DRV_LOG(ERR, "Failed to modify VIRTQ using DevX.");
1797 		rte_errno = errno;
1798 		return -rte_errno;
1799 	}
1800 	return ret;
1801 }
1802 
1803 /**
1804  * Query VIRTQ using DevX API.
1805  *
1806  * @param[in] virtq_obj
1807  *   Pointer to virtq object structure.
1808  * @param [in/out] attr
1809  *   Pointer to virtq attributes structure.
1810  *
1811  * @return
1812  *   0 on success, a negative errno value otherwise and rte_errno is set.
1813  */
1814 int
1815 mlx5_devx_cmd_query_virtq(struct mlx5_devx_obj *virtq_obj,
1816 			   struct mlx5_devx_virtq_attr *attr)
1817 {
1818 	uint32_t in[MLX5_ST_SZ_DW(general_obj_in_cmd_hdr)] = {0};
1819 	uint32_t out[MLX5_ST_SZ_DW(query_virtq_out)] = {0};
1820 	void *hdr = MLX5_ADDR_OF(query_virtq_out, in, hdr);
1821 	void *virtq = MLX5_ADDR_OF(query_virtq_out, out, virtq);
1822 	int ret;
1823 
1824 	MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
1825 		 MLX5_CMD_OP_QUERY_GENERAL_OBJECT);
1826 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
1827 		 MLX5_GENERAL_OBJ_TYPE_VIRTQ);
1828 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_id, virtq_obj->id);
1829 	ret = mlx5_glue->devx_obj_query(virtq_obj->obj, in, sizeof(in),
1830 					 out, sizeof(out));
1831 	if (ret) {
1832 		DRV_LOG(ERR, "Failed to modify VIRTQ using DevX.");
1833 		rte_errno = errno;
1834 		return -errno;
1835 	}
1836 	attr->hw_available_index = MLX5_GET16(virtio_net_q, virtq,
1837 					      hw_available_index);
1838 	attr->hw_used_index = MLX5_GET16(virtio_net_q, virtq, hw_used_index);
1839 	attr->state = MLX5_GET16(virtio_net_q, virtq, state);
1840 	attr->error_type = MLX5_GET16(virtio_net_q, virtq,
1841 				      virtio_q_context.error_type);
1842 	return ret;
1843 }
1844 
1845 /**
1846  * Create QP using DevX API.
1847  *
1848  * @param[in] ctx
1849  *   Context returned from mlx5 open_device() glue function.
1850  * @param [in] attr
1851  *   Pointer to QP attributes structure.
1852  *
1853  * @return
1854  *   The DevX object created, NULL otherwise and rte_errno is set.
1855  */
1856 struct mlx5_devx_obj *
1857 mlx5_devx_cmd_create_qp(void *ctx,
1858 			struct mlx5_devx_qp_attr *attr)
1859 {
1860 	uint32_t in[MLX5_ST_SZ_DW(create_qp_in)] = {0};
1861 	uint32_t out[MLX5_ST_SZ_DW(create_qp_out)] = {0};
1862 	struct mlx5_devx_obj *qp_obj = mlx5_malloc(MLX5_MEM_ZERO,
1863 						   sizeof(*qp_obj),
1864 						   0, SOCKET_ID_ANY);
1865 	void *qpc = MLX5_ADDR_OF(create_qp_in, in, qpc);
1866 
1867 	if (!qp_obj) {
1868 		DRV_LOG(ERR, "Failed to allocate QP data.");
1869 		rte_errno = ENOMEM;
1870 		return NULL;
1871 	}
1872 	MLX5_SET(create_qp_in, in, opcode, MLX5_CMD_OP_CREATE_QP);
1873 	MLX5_SET(qpc, qpc, st, MLX5_QP_ST_RC);
1874 	MLX5_SET(qpc, qpc, pd, attr->pd);
1875 	MLX5_SET(qpc, qpc, ts_format, attr->ts_format);
1876 	if (attr->uar_index) {
1877 		MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED);
1878 		MLX5_SET(qpc, qpc, uar_page, attr->uar_index);
1879 		if (attr->log_page_size > MLX5_ADAPTER_PAGE_SHIFT)
1880 			MLX5_SET(qpc, qpc, log_page_size,
1881 				 attr->log_page_size - MLX5_ADAPTER_PAGE_SHIFT);
1882 		if (attr->sq_size) {
1883 			MLX5_ASSERT(RTE_IS_POWER_OF_2(attr->sq_size));
1884 			MLX5_SET(qpc, qpc, cqn_snd, attr->cqn);
1885 			MLX5_SET(qpc, qpc, log_sq_size,
1886 				 rte_log2_u32(attr->sq_size));
1887 		} else {
1888 			MLX5_SET(qpc, qpc, no_sq, 1);
1889 		}
1890 		if (attr->rq_size) {
1891 			MLX5_ASSERT(RTE_IS_POWER_OF_2(attr->rq_size));
1892 			MLX5_SET(qpc, qpc, cqn_rcv, attr->cqn);
1893 			MLX5_SET(qpc, qpc, log_rq_stride, attr->log_rq_stride -
1894 				 MLX5_LOG_RQ_STRIDE_SHIFT);
1895 			MLX5_SET(qpc, qpc, log_rq_size,
1896 				 rte_log2_u32(attr->rq_size));
1897 			MLX5_SET(qpc, qpc, rq_type, MLX5_NON_ZERO_RQ);
1898 		} else {
1899 			MLX5_SET(qpc, qpc, rq_type, MLX5_ZERO_LEN_RQ);
1900 		}
1901 		if (attr->dbr_umem_valid) {
1902 			MLX5_SET(qpc, qpc, dbr_umem_valid,
1903 				 attr->dbr_umem_valid);
1904 			MLX5_SET(qpc, qpc, dbr_umem_id, attr->dbr_umem_id);
1905 		}
1906 		MLX5_SET64(qpc, qpc, dbr_addr, attr->dbr_address);
1907 		MLX5_SET64(create_qp_in, in, wq_umem_offset,
1908 			   attr->wq_umem_offset);
1909 		MLX5_SET(create_qp_in, in, wq_umem_id, attr->wq_umem_id);
1910 		MLX5_SET(create_qp_in, in, wq_umem_valid, 1);
1911 	} else {
1912 		/* Special QP to be managed by FW - no SQ\RQ\CQ\UAR\DB rec. */
1913 		MLX5_SET(qpc, qpc, rq_type, MLX5_ZERO_LEN_RQ);
1914 		MLX5_SET(qpc, qpc, no_sq, 1);
1915 	}
1916 	qp_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in), out,
1917 						 sizeof(out));
1918 	if (!qp_obj->obj) {
1919 		rte_errno = errno;
1920 		DRV_LOG(ERR, "Failed to create QP Obj using DevX.");
1921 		mlx5_free(qp_obj);
1922 		return NULL;
1923 	}
1924 	qp_obj->id = MLX5_GET(create_qp_out, out, qpn);
1925 	return qp_obj;
1926 }
1927 
1928 /**
1929  * Modify QP using DevX API.
1930  * Currently supports only force loop-back QP.
1931  *
1932  * @param[in] qp
1933  *   Pointer to QP object structure.
1934  * @param [in] qp_st_mod_op
1935  *   The QP state modification operation.
1936  * @param [in] remote_qp_id
1937  *   The remote QP ID for MLX5_CMD_OP_INIT2RTR_QP operation.
1938  *
1939  * @return
1940  *   0 on success, a negative errno value otherwise and rte_errno is set.
1941  */
1942 int
1943 mlx5_devx_cmd_modify_qp_state(struct mlx5_devx_obj *qp, uint32_t qp_st_mod_op,
1944 			      uint32_t remote_qp_id)
1945 {
1946 	union {
1947 		uint32_t rst2init[MLX5_ST_SZ_DW(rst2init_qp_in)];
1948 		uint32_t init2rtr[MLX5_ST_SZ_DW(init2rtr_qp_in)];
1949 		uint32_t rtr2rts[MLX5_ST_SZ_DW(rtr2rts_qp_in)];
1950 	} in;
1951 	union {
1952 		uint32_t rst2init[MLX5_ST_SZ_DW(rst2init_qp_out)];
1953 		uint32_t init2rtr[MLX5_ST_SZ_DW(init2rtr_qp_out)];
1954 		uint32_t rtr2rts[MLX5_ST_SZ_DW(rtr2rts_qp_out)];
1955 	} out;
1956 	void *qpc;
1957 	int ret;
1958 	unsigned int inlen;
1959 	unsigned int outlen;
1960 
1961 	memset(&in, 0, sizeof(in));
1962 	memset(&out, 0, sizeof(out));
1963 	MLX5_SET(rst2init_qp_in, &in, opcode, qp_st_mod_op);
1964 	switch (qp_st_mod_op) {
1965 	case MLX5_CMD_OP_RST2INIT_QP:
1966 		MLX5_SET(rst2init_qp_in, &in, qpn, qp->id);
1967 		qpc = MLX5_ADDR_OF(rst2init_qp_in, &in, qpc);
1968 		MLX5_SET(qpc, qpc, primary_address_path.vhca_port_num, 1);
1969 		MLX5_SET(qpc, qpc, rre, 1);
1970 		MLX5_SET(qpc, qpc, rwe, 1);
1971 		MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED);
1972 		inlen = sizeof(in.rst2init);
1973 		outlen = sizeof(out.rst2init);
1974 		break;
1975 	case MLX5_CMD_OP_INIT2RTR_QP:
1976 		MLX5_SET(init2rtr_qp_in, &in, qpn, qp->id);
1977 		qpc = MLX5_ADDR_OF(init2rtr_qp_in, &in, qpc);
1978 		MLX5_SET(qpc, qpc, primary_address_path.fl, 1);
1979 		MLX5_SET(qpc, qpc, primary_address_path.vhca_port_num, 1);
1980 		MLX5_SET(qpc, qpc, mtu, 1);
1981 		MLX5_SET(qpc, qpc, log_msg_max, 30);
1982 		MLX5_SET(qpc, qpc, remote_qpn, remote_qp_id);
1983 		MLX5_SET(qpc, qpc, min_rnr_nak, 0);
1984 		inlen = sizeof(in.init2rtr);
1985 		outlen = sizeof(out.init2rtr);
1986 		break;
1987 	case MLX5_CMD_OP_RTR2RTS_QP:
1988 		qpc = MLX5_ADDR_OF(rtr2rts_qp_in, &in, qpc);
1989 		MLX5_SET(rtr2rts_qp_in, &in, qpn, qp->id);
1990 		MLX5_SET(qpc, qpc, primary_address_path.ack_timeout, 14);
1991 		MLX5_SET(qpc, qpc, log_ack_req_freq, 0);
1992 		MLX5_SET(qpc, qpc, retry_count, 7);
1993 		MLX5_SET(qpc, qpc, rnr_retry, 7);
1994 		inlen = sizeof(in.rtr2rts);
1995 		outlen = sizeof(out.rtr2rts);
1996 		break;
1997 	default:
1998 		DRV_LOG(ERR, "Invalid or unsupported QP modify op %u.",
1999 			qp_st_mod_op);
2000 		rte_errno = EINVAL;
2001 		return -rte_errno;
2002 	}
2003 	ret = mlx5_glue->devx_obj_modify(qp->obj, &in, inlen, &out, outlen);
2004 	if (ret) {
2005 		DRV_LOG(ERR, "Failed to modify QP using DevX.");
2006 		rte_errno = errno;
2007 		return -rte_errno;
2008 	}
2009 	return ret;
2010 }
2011 
2012 struct mlx5_devx_obj *
2013 mlx5_devx_cmd_create_virtio_q_counters(void *ctx)
2014 {
2015 	uint32_t in[MLX5_ST_SZ_DW(create_virtio_q_counters_in)] = {0};
2016 	uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0};
2017 	struct mlx5_devx_obj *couners_obj = mlx5_malloc(MLX5_MEM_ZERO,
2018 						       sizeof(*couners_obj), 0,
2019 						       SOCKET_ID_ANY);
2020 	void *hdr = MLX5_ADDR_OF(create_virtio_q_counters_in, in, hdr);
2021 
2022 	if (!couners_obj) {
2023 		DRV_LOG(ERR, "Failed to allocate virtio queue counters data.");
2024 		rte_errno = ENOMEM;
2025 		return NULL;
2026 	}
2027 	MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
2028 		 MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
2029 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
2030 		 MLX5_GENERAL_OBJ_TYPE_VIRTIO_Q_COUNTERS);
2031 	couners_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in), out,
2032 						      sizeof(out));
2033 	if (!couners_obj->obj) {
2034 		rte_errno = errno;
2035 		DRV_LOG(ERR, "Failed to create virtio queue counters Obj using"
2036 			" DevX.");
2037 		mlx5_free(couners_obj);
2038 		return NULL;
2039 	}
2040 	couners_obj->id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
2041 	return couners_obj;
2042 }
2043 
2044 int
2045 mlx5_devx_cmd_query_virtio_q_counters(struct mlx5_devx_obj *couners_obj,
2046 				   struct mlx5_devx_virtio_q_couners_attr *attr)
2047 {
2048 	uint32_t in[MLX5_ST_SZ_DW(general_obj_in_cmd_hdr)] = {0};
2049 	uint32_t out[MLX5_ST_SZ_DW(query_virtio_q_counters_out)] = {0};
2050 	void *hdr = MLX5_ADDR_OF(query_virtio_q_counters_out, in, hdr);
2051 	void *virtio_q_counters = MLX5_ADDR_OF(query_virtio_q_counters_out, out,
2052 					       virtio_q_counters);
2053 	int ret;
2054 
2055 	MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
2056 		 MLX5_CMD_OP_QUERY_GENERAL_OBJECT);
2057 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
2058 		 MLX5_GENERAL_OBJ_TYPE_VIRTIO_Q_COUNTERS);
2059 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_id, couners_obj->id);
2060 	ret = mlx5_glue->devx_obj_query(couners_obj->obj, in, sizeof(in), out,
2061 					sizeof(out));
2062 	if (ret) {
2063 		DRV_LOG(ERR, "Failed to query virtio q counters using DevX.");
2064 		rte_errno = errno;
2065 		return -errno;
2066 	}
2067 	attr->received_desc = MLX5_GET64(virtio_q_counters, virtio_q_counters,
2068 					 received_desc);
2069 	attr->completed_desc = MLX5_GET64(virtio_q_counters, virtio_q_counters,
2070 					  completed_desc);
2071 	attr->error_cqes = MLX5_GET(virtio_q_counters, virtio_q_counters,
2072 				    error_cqes);
2073 	attr->bad_desc_errors = MLX5_GET(virtio_q_counters, virtio_q_counters,
2074 					 bad_desc_errors);
2075 	attr->exceed_max_chain = MLX5_GET(virtio_q_counters, virtio_q_counters,
2076 					  exceed_max_chain);
2077 	attr->invalid_buffer = MLX5_GET(virtio_q_counters, virtio_q_counters,
2078 					invalid_buffer);
2079 	return ret;
2080 }
2081 
2082 /**
2083  * Create general object of type FLOW_HIT_ASO using DevX API.
2084  *
2085  * @param[in] ctx
2086  *   Context returned from mlx5 open_device() glue function.
2087  * @param [in] pd
2088  *   PD value to associate the FLOW_HIT_ASO object with.
2089  *
2090  * @return
2091  *   The DevX object created, NULL otherwise and rte_errno is set.
2092  */
2093 struct mlx5_devx_obj *
2094 mlx5_devx_cmd_create_flow_hit_aso_obj(void *ctx, uint32_t pd)
2095 {
2096 	uint32_t in[MLX5_ST_SZ_DW(create_flow_hit_aso_in)] = {0};
2097 	uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0};
2098 	struct mlx5_devx_obj *flow_hit_aso_obj = NULL;
2099 	void *ptr = NULL;
2100 
2101 	flow_hit_aso_obj = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*flow_hit_aso_obj),
2102 				       0, SOCKET_ID_ANY);
2103 	if (!flow_hit_aso_obj) {
2104 		DRV_LOG(ERR, "Failed to allocate FLOW_HIT_ASO object data");
2105 		rte_errno = ENOMEM;
2106 		return NULL;
2107 	}
2108 	ptr = MLX5_ADDR_OF(create_flow_hit_aso_in, in, hdr);
2109 	MLX5_SET(general_obj_in_cmd_hdr, ptr, opcode,
2110 		 MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
2111 	MLX5_SET(general_obj_in_cmd_hdr, ptr, obj_type,
2112 		 MLX5_GENERAL_OBJ_TYPE_FLOW_HIT_ASO);
2113 	ptr = MLX5_ADDR_OF(create_flow_hit_aso_in, in, flow_hit_aso);
2114 	MLX5_SET(flow_hit_aso, ptr, access_pd, pd);
2115 	flow_hit_aso_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
2116 							   out, sizeof(out));
2117 	if (!flow_hit_aso_obj->obj) {
2118 		rte_errno = errno;
2119 		DRV_LOG(ERR, "Failed to create FLOW_HIT_ASO obj using DevX.");
2120 		mlx5_free(flow_hit_aso_obj);
2121 		return NULL;
2122 	}
2123 	flow_hit_aso_obj->id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
2124 	return flow_hit_aso_obj;
2125 }
2126 
2127 /*
2128  * Create PD using DevX API.
2129  *
2130  * @param[in] ctx
2131  *   Context returned from mlx5 open_device() glue function.
2132  *
2133  * @return
2134  *   The DevX object created, NULL otherwise and rte_errno is set.
2135  */
2136 struct mlx5_devx_obj *
2137 mlx5_devx_cmd_alloc_pd(void *ctx)
2138 {
2139 	struct mlx5_devx_obj *ppd =
2140 		mlx5_malloc(MLX5_MEM_ZERO, sizeof(*ppd), 0, SOCKET_ID_ANY);
2141 	u32 in[MLX5_ST_SZ_DW(alloc_pd_in)] = {0};
2142 	u32 out[MLX5_ST_SZ_DW(alloc_pd_out)] = {0};
2143 
2144 	if (!ppd) {
2145 		DRV_LOG(ERR, "Failed to allocate PD data.");
2146 		rte_errno = ENOMEM;
2147 		return NULL;
2148 	}
2149 	MLX5_SET(alloc_pd_in, in, opcode, MLX5_CMD_OP_ALLOC_PD);
2150 	ppd->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
2151 				out, sizeof(out));
2152 	if (!ppd->obj) {
2153 		mlx5_free(ppd);
2154 		DRV_LOG(ERR, "Failed to allocate PD Obj using DevX.");
2155 		rte_errno = errno;
2156 		return NULL;
2157 	}
2158 	ppd->id = MLX5_GET(alloc_pd_out, out, pd);
2159 	return ppd;
2160 }
2161 
2162 /**
2163  * Create general object of type GENEVE TLV option using DevX API.
2164  *
2165  * @param[in] ctx
2166  *   Context returned from mlx5 open_device() glue function.
2167  * @param [in] class
2168  *   TLV option variable value of class
2169  * @param [in] type
2170  *   TLV option variable value of type
2171  * @param [in] len
2172  *   TLV option variable value of len
2173  *
2174  * @return
2175  *   The DevX object created, NULL otherwise and rte_errno is set.
2176  */
2177 struct mlx5_devx_obj *
2178 mlx5_devx_cmd_create_geneve_tlv_option(void *ctx,
2179 		uint16_t class, uint8_t type, uint8_t len)
2180 {
2181 	uint32_t in[MLX5_ST_SZ_DW(create_geneve_tlv_option_in)] = {0};
2182 	uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0};
2183 	struct mlx5_devx_obj *geneve_tlv_opt_obj = mlx5_malloc(MLX5_MEM_ZERO,
2184 						   sizeof(*geneve_tlv_opt_obj),
2185 						   0, SOCKET_ID_ANY);
2186 
2187 	if (!geneve_tlv_opt_obj) {
2188 		DRV_LOG(ERR, "Failed to allocate geneve tlv option object.");
2189 		rte_errno = ENOMEM;
2190 		return NULL;
2191 	}
2192 	void *hdr = MLX5_ADDR_OF(create_geneve_tlv_option_in, in, hdr);
2193 	void *opt = MLX5_ADDR_OF(create_geneve_tlv_option_in, in,
2194 			geneve_tlv_opt);
2195 	MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
2196 			MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
2197 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
2198 			MLX5_OBJ_TYPE_GENEVE_TLV_OPT);
2199 	MLX5_SET(geneve_tlv_option, opt, option_class,
2200 			rte_be_to_cpu_16(class));
2201 	MLX5_SET(geneve_tlv_option, opt, option_type, type);
2202 	MLX5_SET(geneve_tlv_option, opt, option_data_length, len);
2203 	geneve_tlv_opt_obj->obj = mlx5_glue->devx_obj_create(ctx, in,
2204 					sizeof(in), out, sizeof(out));
2205 	if (!geneve_tlv_opt_obj->obj) {
2206 		rte_errno = errno;
2207 		DRV_LOG(ERR, "Failed to create Geneve tlv option "
2208 				"Obj using DevX.");
2209 		mlx5_free(geneve_tlv_opt_obj);
2210 		return NULL;
2211 	}
2212 	geneve_tlv_opt_obj->id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
2213 	return geneve_tlv_opt_obj;
2214 }
2215 
2216 int
2217 mlx5_devx_cmd_wq_query(void *wq, uint32_t *counter_set_id)
2218 {
2219 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
2220 	uint32_t in[MLX5_ST_SZ_DW(query_rq_in)] = {0};
2221 	uint32_t out[MLX5_ST_SZ_DW(query_rq_out)] = {0};
2222 	int rc;
2223 	void *rq_ctx;
2224 
2225 	MLX5_SET(query_rq_in, in, opcode, MLX5_CMD_OP_QUERY_RQ);
2226 	MLX5_SET(query_rq_in, in, rqn, ((struct ibv_wq *)wq)->wq_num);
2227 	rc = mlx5_glue->devx_wq_query(wq, in, sizeof(in), out, sizeof(out));
2228 	if (rc) {
2229 		rte_errno = errno;
2230 		DRV_LOG(ERR, "Failed to query WQ counter set ID using DevX - "
2231 			"rc = %d, errno = %d.", rc, errno);
2232 		return -rc;
2233 	};
2234 	rq_ctx = MLX5_ADDR_OF(query_rq_out, out, rq_context);
2235 	*counter_set_id = MLX5_GET(rqc, rq_ctx, counter_set_id);
2236 	return 0;
2237 #else
2238 	(void)wq;
2239 	(void)counter_set_id;
2240 	return -ENOTSUP;
2241 #endif
2242 }
2243 
2244 /*
2245  * Allocate queue counters via devx interface.
2246  *
2247  * @param[in] ctx
2248  *   Context returned from mlx5 open_device() glue function.
2249  *
2250  * @return
2251  *   Pointer to counter object on success, a NULL value otherwise and
2252  *   rte_errno is set.
2253  */
2254 struct mlx5_devx_obj *
2255 mlx5_devx_cmd_queue_counter_alloc(void *ctx)
2256 {
2257 	struct mlx5_devx_obj *dcs = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*dcs), 0,
2258 						SOCKET_ID_ANY);
2259 	uint32_t in[MLX5_ST_SZ_DW(alloc_q_counter_in)]   = {0};
2260 	uint32_t out[MLX5_ST_SZ_DW(alloc_q_counter_out)] = {0};
2261 
2262 	if (!dcs) {
2263 		rte_errno = ENOMEM;
2264 		return NULL;
2265 	}
2266 	MLX5_SET(alloc_q_counter_in, in, opcode, MLX5_CMD_OP_ALLOC_Q_COUNTER);
2267 	dcs->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in), out,
2268 					      sizeof(out));
2269 	if (!dcs->obj) {
2270 		DRV_LOG(DEBUG, "Can't allocate q counter set by DevX - error "
2271 			"%d.", errno);
2272 		rte_errno = errno;
2273 		mlx5_free(dcs);
2274 		return NULL;
2275 	}
2276 	dcs->id = MLX5_GET(alloc_q_counter_out, out, counter_set_id);
2277 	return dcs;
2278 }
2279 
2280 /**
2281  * Query queue counters values.
2282  *
2283  * @param[in] dcs
2284  *   devx object of the queue counter set.
2285  * @param[in] clear
2286  *   Whether hardware should clear the counters after the query or not.
2287  *  @param[out] out_of_buffers
2288  *   Number of dropped occurred due to lack of WQE for the associated QPs/RQs.
2289  *
2290  * @return
2291  *   0 on success, a negative value otherwise.
2292  */
2293 int
2294 mlx5_devx_cmd_queue_counter_query(struct mlx5_devx_obj *dcs, int clear,
2295 				  uint32_t *out_of_buffers)
2296 {
2297 	uint32_t out[MLX5_ST_SZ_BYTES(query_q_counter_out)] = {0};
2298 	uint32_t in[MLX5_ST_SZ_DW(query_q_counter_in)] = {0};
2299 	int rc;
2300 
2301 	MLX5_SET(query_q_counter_in, in, opcode,
2302 		 MLX5_CMD_OP_QUERY_Q_COUNTER);
2303 	MLX5_SET(query_q_counter_in, in, op_mod, 0);
2304 	MLX5_SET(query_q_counter_in, in, counter_set_id, dcs->id);
2305 	MLX5_SET(query_q_counter_in, in, clear, !!clear);
2306 	rc = mlx5_glue->devx_obj_query(dcs->obj, in, sizeof(in), out,
2307 				       sizeof(out));
2308 	if (rc) {
2309 		DRV_LOG(ERR, "Failed to query devx q counter set - rc %d", rc);
2310 		rte_errno = rc;
2311 		return -rc;
2312 	}
2313 	*out_of_buffers = MLX5_GET(query_q_counter_out, out, out_of_buffer);
2314 	return 0;
2315 }
2316