xref: /dpdk/drivers/common/mlx5/mlx5_devx_cmds.c (revision 6956a48cabbb5c98098aaf0116c255209b8f4e87)
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_DW(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, translations_octword_size, translation_size);
270 	MLX5_SET(mkc, mkc, relaxed_ordering_write,
271 		attr->relaxed_ordering_write);
272 	MLX5_SET(mkc, mkc, relaxed_ordering_read,
273 		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\n",
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",
378 			status, syndrome);
379 		return -1;
380 	}
381 	vctx = MLX5_ADDR_OF(query_nic_vport_context_out, out,
382 			    nic_vport_context);
383 	attr->vport_inline_mode = MLX5_GET(nic_vport_context, vctx,
384 					   min_wqe_inline_mode);
385 	return 0;
386 error:
387 	rc = (rc > 0) ? -rc : rc;
388 	return rc;
389 }
390 
391 /**
392  * Query NIC vDPA attributes.
393  *
394  * @param[in] ctx
395  *   Context returned from mlx5 open_device() glue function.
396  * @param[out] vdpa_attr
397  *   vDPA Attributes structure to fill.
398  */
399 static void
400 mlx5_devx_cmd_query_hca_vdpa_attr(void *ctx,
401 				  struct mlx5_hca_vdpa_attr *vdpa_attr)
402 {
403 	uint32_t in[MLX5_ST_SZ_DW(query_hca_cap_in)] = {0};
404 	uint32_t out[MLX5_ST_SZ_DW(query_hca_cap_out)] = {0};
405 	void *hcattr = MLX5_ADDR_OF(query_hca_cap_out, out, capability);
406 	int status, syndrome, rc;
407 
408 	MLX5_SET(query_hca_cap_in, in, opcode, MLX5_CMD_OP_QUERY_HCA_CAP);
409 	MLX5_SET(query_hca_cap_in, in, op_mod,
410 		 MLX5_GET_HCA_CAP_OP_MOD_VDPA_EMULATION |
411 		 MLX5_HCA_CAP_OPMOD_GET_CUR);
412 	rc = mlx5_glue->devx_general_cmd(ctx, in, sizeof(in), out, sizeof(out));
413 	status = MLX5_GET(query_hca_cap_out, out, status);
414 	syndrome = MLX5_GET(query_hca_cap_out, out, syndrome);
415 	if (rc || status) {
416 		RTE_LOG(DEBUG, PMD, "Failed to query devx VDPA capabilities,"
417 			" status %x, syndrome = %x", status, syndrome);
418 		vdpa_attr->valid = 0;
419 	} else {
420 		vdpa_attr->valid = 1;
421 		vdpa_attr->desc_tunnel_offload_type =
422 			MLX5_GET(virtio_emulation_cap, hcattr,
423 				 desc_tunnel_offload_type);
424 		vdpa_attr->eth_frame_offload_type =
425 			MLX5_GET(virtio_emulation_cap, hcattr,
426 				 eth_frame_offload_type);
427 		vdpa_attr->virtio_version_1_0 =
428 			MLX5_GET(virtio_emulation_cap, hcattr,
429 				 virtio_version_1_0);
430 		vdpa_attr->tso_ipv4 = MLX5_GET(virtio_emulation_cap, hcattr,
431 					       tso_ipv4);
432 		vdpa_attr->tso_ipv6 = MLX5_GET(virtio_emulation_cap, hcattr,
433 					       tso_ipv6);
434 		vdpa_attr->tx_csum = MLX5_GET(virtio_emulation_cap, hcattr,
435 					      tx_csum);
436 		vdpa_attr->rx_csum = MLX5_GET(virtio_emulation_cap, hcattr,
437 					      rx_csum);
438 		vdpa_attr->event_mode = MLX5_GET(virtio_emulation_cap, hcattr,
439 						 event_mode);
440 		vdpa_attr->virtio_queue_type =
441 			MLX5_GET(virtio_emulation_cap, hcattr,
442 				 virtio_queue_type);
443 		vdpa_attr->log_doorbell_stride =
444 			MLX5_GET(virtio_emulation_cap, hcattr,
445 				 log_doorbell_stride);
446 		vdpa_attr->log_doorbell_bar_size =
447 			MLX5_GET(virtio_emulation_cap, hcattr,
448 				 log_doorbell_bar_size);
449 		vdpa_attr->doorbell_bar_offset =
450 			MLX5_GET64(virtio_emulation_cap, hcattr,
451 				   doorbell_bar_offset);
452 		vdpa_attr->max_num_virtio_queues =
453 			MLX5_GET(virtio_emulation_cap, hcattr,
454 				 max_num_virtio_queues);
455 		vdpa_attr->umems[0].a = MLX5_GET(virtio_emulation_cap, hcattr,
456 						 umem_1_buffer_param_a);
457 		vdpa_attr->umems[0].b = MLX5_GET(virtio_emulation_cap, hcattr,
458 						 umem_1_buffer_param_b);
459 		vdpa_attr->umems[1].a = MLX5_GET(virtio_emulation_cap, hcattr,
460 						 umem_2_buffer_param_a);
461 		vdpa_attr->umems[1].b = MLX5_GET(virtio_emulation_cap, hcattr,
462 						 umem_2_buffer_param_b);
463 		vdpa_attr->umems[2].a = MLX5_GET(virtio_emulation_cap, hcattr,
464 						 umem_3_buffer_param_a);
465 		vdpa_attr->umems[2].b = MLX5_GET(virtio_emulation_cap, hcattr,
466 						 umem_3_buffer_param_b);
467 	}
468 }
469 
470 int
471 mlx5_devx_cmd_query_parse_samples(struct mlx5_devx_obj *flex_obj,
472 				  uint32_t ids[], uint32_t num)
473 {
474 	uint32_t in[MLX5_ST_SZ_DW(general_obj_in_cmd_hdr)] = {0};
475 	uint32_t out[MLX5_ST_SZ_DW(create_flex_parser_out)] = {0};
476 	void *hdr = MLX5_ADDR_OF(create_flex_parser_out, in, hdr);
477 	void *flex = MLX5_ADDR_OF(create_flex_parser_out, out, flex);
478 	void *sample = MLX5_ADDR_OF(parse_graph_flex, flex, sample_table);
479 	int ret;
480 	uint32_t idx = 0;
481 	uint32_t i;
482 
483 	if (num > MLX5_GRAPH_NODE_SAMPLE_NUM) {
484 		rte_errno = EINVAL;
485 		DRV_LOG(ERR, "Too many sample IDs to be fetched.");
486 		return -rte_errno;
487 	}
488 	MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
489 		 MLX5_CMD_OP_QUERY_GENERAL_OBJECT);
490 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
491 		 MLX5_GENERAL_OBJ_TYPE_FLEX_PARSE_GRAPH);
492 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_id, flex_obj->id);
493 	ret = mlx5_glue->devx_obj_query(flex_obj->obj, in, sizeof(in),
494 					out, sizeof(out));
495 	if (ret) {
496 		rte_errno = ret;
497 		DRV_LOG(ERR, "Failed to query sample IDs with object %p.",
498 			(void *)flex_obj);
499 		return -rte_errno;
500 	}
501 	for (i = 0; i < MLX5_GRAPH_NODE_SAMPLE_NUM; i++) {
502 		void *s_off = (void *)((char *)sample + i *
503 			      MLX5_ST_SZ_BYTES(parse_graph_flow_match_sample));
504 		uint32_t en;
505 
506 		en = MLX5_GET(parse_graph_flow_match_sample, s_off,
507 			      flow_match_sample_en);
508 		if (!en)
509 			continue;
510 		ids[idx++] = MLX5_GET(parse_graph_flow_match_sample, s_off,
511 				  flow_match_sample_field_id);
512 	}
513 	if (num != idx) {
514 		rte_errno = EINVAL;
515 		DRV_LOG(ERR, "Number of sample IDs are not as expected.");
516 		return -rte_errno;
517 	}
518 	return ret;
519 }
520 
521 
522 struct mlx5_devx_obj *
523 mlx5_devx_cmd_create_flex_parser(void *ctx,
524 			      struct mlx5_devx_graph_node_attr *data)
525 {
526 	uint32_t in[MLX5_ST_SZ_DW(create_flex_parser_in)] = {0};
527 	uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0};
528 	void *hdr = MLX5_ADDR_OF(create_flex_parser_in, in, hdr);
529 	void *flex = MLX5_ADDR_OF(create_flex_parser_in, in, flex);
530 	void *sample = MLX5_ADDR_OF(parse_graph_flex, flex, sample_table);
531 	void *in_arc = MLX5_ADDR_OF(parse_graph_flex, flex, input_arc);
532 	void *out_arc = MLX5_ADDR_OF(parse_graph_flex, flex, output_arc);
533 	struct mlx5_devx_obj *parse_flex_obj = mlx5_malloc
534 		     (MLX5_MEM_ZERO, sizeof(*parse_flex_obj), 0, SOCKET_ID_ANY);
535 	uint32_t i;
536 
537 	if (!parse_flex_obj) {
538 		DRV_LOG(ERR, "Failed to allocate flex parser data.");
539 		rte_errno = ENOMEM;
540 		return NULL;
541 	}
542 	MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
543 		 MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
544 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
545 		 MLX5_GENERAL_OBJ_TYPE_FLEX_PARSE_GRAPH);
546 	MLX5_SET(parse_graph_flex, flex, header_length_mode,
547 		 data->header_length_mode);
548 	MLX5_SET(parse_graph_flex, flex, header_length_base_value,
549 		 data->header_length_base_value);
550 	MLX5_SET(parse_graph_flex, flex, header_length_field_offset,
551 		 data->header_length_field_offset);
552 	MLX5_SET(parse_graph_flex, flex, header_length_field_shift,
553 		 data->header_length_field_shift);
554 	MLX5_SET(parse_graph_flex, flex, header_length_field_mask,
555 		 data->header_length_field_mask);
556 	for (i = 0; i < MLX5_GRAPH_NODE_SAMPLE_NUM; i++) {
557 		struct mlx5_devx_match_sample_attr *s = &data->sample[i];
558 		void *s_off = (void *)((char *)sample + i *
559 			      MLX5_ST_SZ_BYTES(parse_graph_flow_match_sample));
560 
561 		if (!s->flow_match_sample_en)
562 			continue;
563 		MLX5_SET(parse_graph_flow_match_sample, s_off,
564 			 flow_match_sample_en, !!s->flow_match_sample_en);
565 		MLX5_SET(parse_graph_flow_match_sample, s_off,
566 			 flow_match_sample_field_offset,
567 			 s->flow_match_sample_field_offset);
568 		MLX5_SET(parse_graph_flow_match_sample, s_off,
569 			 flow_match_sample_offset_mode,
570 			 s->flow_match_sample_offset_mode);
571 		MLX5_SET(parse_graph_flow_match_sample, s_off,
572 			 flow_match_sample_field_offset_mask,
573 			 s->flow_match_sample_field_offset_mask);
574 		MLX5_SET(parse_graph_flow_match_sample, s_off,
575 			 flow_match_sample_field_offset_shift,
576 			 s->flow_match_sample_field_offset_shift);
577 		MLX5_SET(parse_graph_flow_match_sample, s_off,
578 			 flow_match_sample_field_base_offset,
579 			 s->flow_match_sample_field_base_offset);
580 		MLX5_SET(parse_graph_flow_match_sample, s_off,
581 			 flow_match_sample_tunnel_mode,
582 			 s->flow_match_sample_tunnel_mode);
583 	}
584 	for (i = 0; i < MLX5_GRAPH_NODE_ARC_NUM; i++) {
585 		struct mlx5_devx_graph_arc_attr *ia = &data->in[i];
586 		struct mlx5_devx_graph_arc_attr *oa = &data->out[i];
587 		void *in_off = (void *)((char *)in_arc + i *
588 			      MLX5_ST_SZ_BYTES(parse_graph_arc));
589 		void *out_off = (void *)((char *)out_arc + i *
590 			      MLX5_ST_SZ_BYTES(parse_graph_arc));
591 
592 		if (ia->arc_parse_graph_node != 0) {
593 			MLX5_SET(parse_graph_arc, in_off,
594 				 compare_condition_value,
595 				 ia->compare_condition_value);
596 			MLX5_SET(parse_graph_arc, in_off, start_inner_tunnel,
597 				 ia->start_inner_tunnel);
598 			MLX5_SET(parse_graph_arc, in_off, arc_parse_graph_node,
599 				 ia->arc_parse_graph_node);
600 			MLX5_SET(parse_graph_arc, in_off,
601 				 parse_graph_node_handle,
602 				 ia->parse_graph_node_handle);
603 		}
604 		if (oa->arc_parse_graph_node != 0) {
605 			MLX5_SET(parse_graph_arc, out_off,
606 				 compare_condition_value,
607 				 oa->compare_condition_value);
608 			MLX5_SET(parse_graph_arc, out_off, start_inner_tunnel,
609 				 oa->start_inner_tunnel);
610 			MLX5_SET(parse_graph_arc, out_off, arc_parse_graph_node,
611 				 oa->arc_parse_graph_node);
612 			MLX5_SET(parse_graph_arc, out_off,
613 				 parse_graph_node_handle,
614 				 oa->parse_graph_node_handle);
615 		}
616 	}
617 	parse_flex_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
618 							 out, sizeof(out));
619 	if (!parse_flex_obj->obj) {
620 		rte_errno = errno;
621 		DRV_LOG(ERR, "Failed to create FLEX PARSE GRAPH object "
622 			"by using DevX.");
623 		mlx5_free(parse_flex_obj);
624 		return NULL;
625 	}
626 	parse_flex_obj->id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
627 	return parse_flex_obj;
628 }
629 
630 /**
631  * Query HCA attributes.
632  * Using those attributes we can check on run time if the device
633  * is having the required capabilities.
634  *
635  * @param[in] ctx
636  *   Context returned from mlx5 open_device() glue function.
637  * @param[out] attr
638  *   Attributes device values.
639  *
640  * @return
641  *   0 on success, a negative value otherwise.
642  */
643 int
644 mlx5_devx_cmd_query_hca_attr(void *ctx,
645 			     struct mlx5_hca_attr *attr)
646 {
647 	uint32_t in[MLX5_ST_SZ_DW(query_hca_cap_in)] = {0};
648 	uint32_t out[MLX5_ST_SZ_DW(query_hca_cap_out)] = {0};
649 	void *hcattr;
650 	int status, syndrome, rc, i;
651 
652 	MLX5_SET(query_hca_cap_in, in, opcode, MLX5_CMD_OP_QUERY_HCA_CAP);
653 	MLX5_SET(query_hca_cap_in, in, op_mod,
654 		 MLX5_GET_HCA_CAP_OP_MOD_GENERAL_DEVICE |
655 		 MLX5_HCA_CAP_OPMOD_GET_CUR);
656 
657 	rc = mlx5_glue->devx_general_cmd(ctx,
658 					 in, sizeof(in), out, sizeof(out));
659 	if (rc)
660 		goto error;
661 	status = MLX5_GET(query_hca_cap_out, out, status);
662 	syndrome = MLX5_GET(query_hca_cap_out, out, syndrome);
663 	if (status) {
664 		DRV_LOG(DEBUG, "Failed to query devx HCA capabilities, "
665 			"status %x, syndrome = %x",
666 			status, syndrome);
667 		return -1;
668 	}
669 	hcattr = MLX5_ADDR_OF(query_hca_cap_out, out, capability);
670 	attr->flow_counter_bulk_alloc_bitmap =
671 			MLX5_GET(cmd_hca_cap, hcattr, flow_counter_bulk_alloc);
672 	attr->flow_counters_dump = MLX5_GET(cmd_hca_cap, hcattr,
673 					    flow_counters_dump);
674 	attr->log_max_rqt_size = MLX5_GET(cmd_hca_cap, hcattr,
675 					  log_max_rqt_size);
676 	attr->eswitch_manager = MLX5_GET(cmd_hca_cap, hcattr, eswitch_manager);
677 	attr->hairpin = MLX5_GET(cmd_hca_cap, hcattr, hairpin);
678 	attr->log_max_hairpin_queues = MLX5_GET(cmd_hca_cap, hcattr,
679 						log_max_hairpin_queues);
680 	attr->log_max_hairpin_wq_data_sz = MLX5_GET(cmd_hca_cap, hcattr,
681 						    log_max_hairpin_wq_data_sz);
682 	attr->log_max_hairpin_num_packets = MLX5_GET
683 		(cmd_hca_cap, hcattr, log_min_hairpin_wq_data_sz);
684 	attr->vhca_id = MLX5_GET(cmd_hca_cap, hcattr, vhca_id);
685 	attr->relaxed_ordering_write = MLX5_GET(cmd_hca_cap, hcattr,
686 			relaxed_ordering_write);
687 	attr->relaxed_ordering_read = MLX5_GET(cmd_hca_cap, hcattr,
688 			relaxed_ordering_read);
689 	attr->access_register_user = MLX5_GET(cmd_hca_cap, hcattr,
690 			access_register_user);
691 	attr->eth_net_offloads = MLX5_GET(cmd_hca_cap, hcattr,
692 					  eth_net_offloads);
693 	attr->eth_virt = MLX5_GET(cmd_hca_cap, hcattr, eth_virt);
694 	attr->flex_parser_protocols = MLX5_GET(cmd_hca_cap, hcattr,
695 					       flex_parser_protocols);
696 	attr->qos.sup = MLX5_GET(cmd_hca_cap, hcattr, qos);
697 	attr->vdpa.valid = !!(MLX5_GET64(cmd_hca_cap, hcattr,
698 					 general_obj_types) &
699 			      MLX5_GENERAL_OBJ_TYPES_CAP_VIRTQ_NET_Q);
700 	attr->vdpa.queue_counters_valid = !!(MLX5_GET64(cmd_hca_cap, hcattr,
701 							general_obj_types) &
702 				  MLX5_GENERAL_OBJ_TYPES_CAP_VIRTIO_Q_COUNTERS);
703 	attr->parse_graph_flex_node = !!(MLX5_GET64(cmd_hca_cap, hcattr,
704 					 general_obj_types) &
705 			      MLX5_GENERAL_OBJ_TYPES_CAP_PARSE_GRAPH_FLEX_NODE);
706 	attr->wqe_index_ignore = MLX5_GET(cmd_hca_cap, hcattr,
707 					  wqe_index_ignore_cap);
708 	attr->cross_channel = MLX5_GET(cmd_hca_cap, hcattr, cd);
709 	attr->non_wire_sq = MLX5_GET(cmd_hca_cap, hcattr, non_wire_sq);
710 	attr->log_max_static_sq_wq = MLX5_GET(cmd_hca_cap, hcattr,
711 					      log_max_static_sq_wq);
712 	attr->num_lag_ports = MLX5_GET(cmd_hca_cap, hcattr, num_lag_ports);
713 	attr->dev_freq_khz = MLX5_GET(cmd_hca_cap, hcattr,
714 				      device_frequency_khz);
715 	attr->scatter_fcs_w_decap_disable =
716 		MLX5_GET(cmd_hca_cap, hcattr, scatter_fcs_w_decap_disable);
717 	attr->regex = MLX5_GET(cmd_hca_cap, hcattr, regexp);
718 	attr->regexp_num_of_engines = MLX5_GET(cmd_hca_cap, hcattr,
719 					       regexp_num_of_engines);
720 	attr->flow_hit_aso = !!(MLX5_GET64(cmd_hca_cap, hcattr,
721 					   general_obj_types) &
722 				MLX5_GENERAL_OBJ_TYPES_CAP_FLOW_HIT_ASO);
723 	attr->log_max_cq = MLX5_GET(cmd_hca_cap, hcattr, log_max_cq);
724 	attr->log_max_qp = MLX5_GET(cmd_hca_cap, hcattr, log_max_qp);
725 	attr->log_max_cq_sz = MLX5_GET(cmd_hca_cap, hcattr, log_max_cq_sz);
726 	attr->log_max_qp_sz = MLX5_GET(cmd_hca_cap, hcattr, log_max_qp_sz);
727 	attr->log_max_mrw_sz = MLX5_GET(cmd_hca_cap, hcattr, log_max_mrw_sz);
728 	attr->log_max_pd = MLX5_GET(cmd_hca_cap, hcattr, log_max_pd);
729 	attr->log_max_srq = MLX5_GET(cmd_hca_cap, hcattr, log_max_srq);
730 	attr->log_max_srq_sz = MLX5_GET(cmd_hca_cap, hcattr, log_max_srq_sz);
731 	if (attr->qos.sup) {
732 		MLX5_SET(query_hca_cap_in, in, op_mod,
733 			 MLX5_GET_HCA_CAP_OP_MOD_QOS_CAP |
734 			 MLX5_HCA_CAP_OPMOD_GET_CUR);
735 		rc = mlx5_glue->devx_general_cmd(ctx, in, sizeof(in),
736 						 out, sizeof(out));
737 		if (rc)
738 			goto error;
739 		if (status) {
740 			DRV_LOG(DEBUG, "Failed to query devx QOS capabilities,"
741 				" status %x, syndrome = %x",
742 				status, syndrome);
743 			return -1;
744 		}
745 		hcattr = MLX5_ADDR_OF(query_hca_cap_out, out, capability);
746 		attr->qos.srtcm_sup =
747 				MLX5_GET(qos_cap, hcattr, flow_meter_srtcm);
748 		attr->qos.log_max_flow_meter =
749 				MLX5_GET(qos_cap, hcattr, log_max_flow_meter);
750 		attr->qos.flow_meter_reg_c_ids =
751 				MLX5_GET(qos_cap, hcattr, flow_meter_reg_id);
752 		attr->qos.flow_meter_reg_share =
753 				MLX5_GET(qos_cap, hcattr, flow_meter_reg_share);
754 		attr->qos.packet_pacing =
755 				MLX5_GET(qos_cap, hcattr, packet_pacing);
756 		attr->qos.wqe_rate_pp =
757 				MLX5_GET(qos_cap, hcattr, wqe_rate_pp);
758 	}
759 	if (attr->vdpa.valid)
760 		mlx5_devx_cmd_query_hca_vdpa_attr(ctx, &attr->vdpa);
761 	if (!attr->eth_net_offloads)
762 		return 0;
763 
764 	/* Query Flow Sampler Capability From FLow Table Properties Layout. */
765 	memset(in, 0, sizeof(in));
766 	memset(out, 0, sizeof(out));
767 	MLX5_SET(query_hca_cap_in, in, opcode, MLX5_CMD_OP_QUERY_HCA_CAP);
768 	MLX5_SET(query_hca_cap_in, in, op_mod,
769 		 MLX5_GET_HCA_CAP_OP_MOD_NIC_FLOW_TABLE |
770 		 MLX5_HCA_CAP_OPMOD_GET_CUR);
771 
772 	rc = mlx5_glue->devx_general_cmd(ctx,
773 					 in, sizeof(in),
774 					 out, sizeof(out));
775 	if (rc)
776 		goto error;
777 	status = MLX5_GET(query_hca_cap_out, out, status);
778 	syndrome = MLX5_GET(query_hca_cap_out, out, syndrome);
779 	if (status) {
780 		DRV_LOG(DEBUG, "Failed to query devx HCA capabilities, "
781 			"status %x, syndrome = %x",
782 			status, syndrome);
783 		attr->log_max_ft_sampler_num = 0;
784 		return -1;
785 	}
786 	hcattr = MLX5_ADDR_OF(query_hca_cap_out, out, capability);
787 	attr->log_max_ft_sampler_num =
788 			MLX5_GET(flow_table_nic_cap,
789 			hcattr, flow_table_properties.log_max_ft_sampler_num);
790 
791 	/* Query HCA offloads for Ethernet protocol. */
792 	memset(in, 0, sizeof(in));
793 	memset(out, 0, sizeof(out));
794 	MLX5_SET(query_hca_cap_in, in, opcode, MLX5_CMD_OP_QUERY_HCA_CAP);
795 	MLX5_SET(query_hca_cap_in, in, op_mod,
796 		 MLX5_GET_HCA_CAP_OP_MOD_ETHERNET_OFFLOAD_CAPS |
797 		 MLX5_HCA_CAP_OPMOD_GET_CUR);
798 
799 	rc = mlx5_glue->devx_general_cmd(ctx,
800 					 in, sizeof(in),
801 					 out, sizeof(out));
802 	if (rc) {
803 		attr->eth_net_offloads = 0;
804 		goto error;
805 	}
806 	status = MLX5_GET(query_hca_cap_out, out, status);
807 	syndrome = MLX5_GET(query_hca_cap_out, out, syndrome);
808 	if (status) {
809 		DRV_LOG(DEBUG, "Failed to query devx HCA capabilities, "
810 			"status %x, syndrome = %x",
811 			status, syndrome);
812 		attr->eth_net_offloads = 0;
813 		return -1;
814 	}
815 	hcattr = MLX5_ADDR_OF(query_hca_cap_out, out, capability);
816 	attr->wqe_vlan_insert = MLX5_GET(per_protocol_networking_offload_caps,
817 					 hcattr, wqe_vlan_insert);
818 	attr->lro_cap = MLX5_GET(per_protocol_networking_offload_caps, hcattr,
819 				 lro_cap);
820 	attr->tunnel_lro_gre = MLX5_GET(per_protocol_networking_offload_caps,
821 					hcattr, tunnel_lro_gre);
822 	attr->tunnel_lro_vxlan = MLX5_GET(per_protocol_networking_offload_caps,
823 					  hcattr, tunnel_lro_vxlan);
824 	attr->lro_max_msg_sz_mode = MLX5_GET
825 					(per_protocol_networking_offload_caps,
826 					 hcattr, lro_max_msg_sz_mode);
827 	for (i = 0 ; i < MLX5_LRO_NUM_SUPP_PERIODS ; i++) {
828 		attr->lro_timer_supported_periods[i] =
829 			MLX5_GET(per_protocol_networking_offload_caps, hcattr,
830 				 lro_timer_supported_periods[i]);
831 	}
832 	attr->lro_min_mss_size = MLX5_GET(per_protocol_networking_offload_caps,
833 					  hcattr, lro_min_mss_size);
834 	attr->tunnel_stateless_geneve_rx =
835 			    MLX5_GET(per_protocol_networking_offload_caps,
836 				     hcattr, tunnel_stateless_geneve_rx);
837 	attr->geneve_max_opt_len =
838 		    MLX5_GET(per_protocol_networking_offload_caps,
839 			     hcattr, max_geneve_opt_len);
840 	attr->wqe_inline_mode = MLX5_GET(per_protocol_networking_offload_caps,
841 					 hcattr, wqe_inline_mode);
842 	attr->tunnel_stateless_gtp = MLX5_GET
843 					(per_protocol_networking_offload_caps,
844 					 hcattr, tunnel_stateless_gtp);
845 	attr->rss_ind_tbl_cap = MLX5_GET
846 					(per_protocol_networking_offload_caps,
847 					 hcattr, rss_ind_tbl_cap);
848 	if (attr->wqe_inline_mode != MLX5_CAP_INLINE_MODE_VPORT_CONTEXT)
849 		return 0;
850 	if (attr->eth_virt) {
851 		rc = mlx5_devx_cmd_query_nic_vport_context(ctx, 0, attr);
852 		if (rc) {
853 			attr->eth_virt = 0;
854 			goto error;
855 		}
856 	}
857 	return 0;
858 error:
859 	rc = (rc > 0) ? -rc : rc;
860 	return rc;
861 }
862 
863 /**
864  * Query TIS transport domain from QP verbs object using DevX API.
865  *
866  * @param[in] qp
867  *   Pointer to verbs QP returned by ibv_create_qp .
868  * @param[in] tis_num
869  *   TIS number of TIS to query.
870  * @param[out] tis_td
871  *   Pointer to TIS transport domain variable, to be set by the routine.
872  *
873  * @return
874  *   0 on success, a negative value otherwise.
875  */
876 int
877 mlx5_devx_cmd_qp_query_tis_td(void *qp, uint32_t tis_num,
878 			      uint32_t *tis_td)
879 {
880 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
881 	uint32_t in[MLX5_ST_SZ_DW(query_tis_in)] = {0};
882 	uint32_t out[MLX5_ST_SZ_DW(query_tis_out)] = {0};
883 	int rc;
884 	void *tis_ctx;
885 
886 	MLX5_SET(query_tis_in, in, opcode, MLX5_CMD_OP_QUERY_TIS);
887 	MLX5_SET(query_tis_in, in, tisn, tis_num);
888 	rc = mlx5_glue->devx_qp_query(qp, in, sizeof(in), out, sizeof(out));
889 	if (rc) {
890 		DRV_LOG(ERR, "Failed to query QP using DevX");
891 		return -rc;
892 	};
893 	tis_ctx = MLX5_ADDR_OF(query_tis_out, out, tis_context);
894 	*tis_td = MLX5_GET(tisc, tis_ctx, transport_domain);
895 	return 0;
896 #else
897 	(void)qp;
898 	(void)tis_num;
899 	(void)tis_td;
900 	return -ENOTSUP;
901 #endif
902 }
903 
904 /**
905  * Fill WQ data for DevX API command.
906  * Utility function for use when creating DevX objects containing a WQ.
907  *
908  * @param[in] wq_ctx
909  *   Pointer to WQ context to fill with data.
910  * @param [in] wq_attr
911  *   Pointer to WQ attributes structure to fill in WQ context.
912  */
913 static void
914 devx_cmd_fill_wq_data(void *wq_ctx, struct mlx5_devx_wq_attr *wq_attr)
915 {
916 	MLX5_SET(wq, wq_ctx, wq_type, wq_attr->wq_type);
917 	MLX5_SET(wq, wq_ctx, wq_signature, wq_attr->wq_signature);
918 	MLX5_SET(wq, wq_ctx, end_padding_mode, wq_attr->end_padding_mode);
919 	MLX5_SET(wq, wq_ctx, cd_slave, wq_attr->cd_slave);
920 	MLX5_SET(wq, wq_ctx, hds_skip_first_sge, wq_attr->hds_skip_first_sge);
921 	MLX5_SET(wq, wq_ctx, log2_hds_buf_size, wq_attr->log2_hds_buf_size);
922 	MLX5_SET(wq, wq_ctx, page_offset, wq_attr->page_offset);
923 	MLX5_SET(wq, wq_ctx, lwm, wq_attr->lwm);
924 	MLX5_SET(wq, wq_ctx, pd, wq_attr->pd);
925 	MLX5_SET(wq, wq_ctx, uar_page, wq_attr->uar_page);
926 	MLX5_SET64(wq, wq_ctx, dbr_addr, wq_attr->dbr_addr);
927 	MLX5_SET(wq, wq_ctx, hw_counter, wq_attr->hw_counter);
928 	MLX5_SET(wq, wq_ctx, sw_counter, wq_attr->sw_counter);
929 	MLX5_SET(wq, wq_ctx, log_wq_stride, wq_attr->log_wq_stride);
930 	MLX5_SET(wq, wq_ctx, log_wq_pg_sz, wq_attr->log_wq_pg_sz);
931 	MLX5_SET(wq, wq_ctx, log_wq_sz, wq_attr->log_wq_sz);
932 	MLX5_SET(wq, wq_ctx, dbr_umem_valid, wq_attr->dbr_umem_valid);
933 	MLX5_SET(wq, wq_ctx, wq_umem_valid, wq_attr->wq_umem_valid);
934 	MLX5_SET(wq, wq_ctx, log_hairpin_num_packets,
935 		 wq_attr->log_hairpin_num_packets);
936 	MLX5_SET(wq, wq_ctx, log_hairpin_data_sz, wq_attr->log_hairpin_data_sz);
937 	MLX5_SET(wq, wq_ctx, single_wqe_log_num_of_strides,
938 		 wq_attr->single_wqe_log_num_of_strides);
939 	MLX5_SET(wq, wq_ctx, two_byte_shift_en, wq_attr->two_byte_shift_en);
940 	MLX5_SET(wq, wq_ctx, single_stride_log_num_of_bytes,
941 		 wq_attr->single_stride_log_num_of_bytes);
942 	MLX5_SET(wq, wq_ctx, dbr_umem_id, wq_attr->dbr_umem_id);
943 	MLX5_SET(wq, wq_ctx, wq_umem_id, wq_attr->wq_umem_id);
944 	MLX5_SET64(wq, wq_ctx, wq_umem_offset, wq_attr->wq_umem_offset);
945 }
946 
947 /**
948  * Create RQ using DevX API.
949  *
950  * @param[in] ctx
951  *   Context returned from mlx5 open_device() glue function.
952  * @param [in] rq_attr
953  *   Pointer to create RQ attributes structure.
954  * @param [in] socket
955  *   CPU socket ID for allocations.
956  *
957  * @return
958  *   The DevX object created, NULL otherwise and rte_errno is set.
959  */
960 struct mlx5_devx_obj *
961 mlx5_devx_cmd_create_rq(void *ctx,
962 			struct mlx5_devx_create_rq_attr *rq_attr,
963 			int socket)
964 {
965 	uint32_t in[MLX5_ST_SZ_DW(create_rq_in)] = {0};
966 	uint32_t out[MLX5_ST_SZ_DW(create_rq_out)] = {0};
967 	void *rq_ctx, *wq_ctx;
968 	struct mlx5_devx_wq_attr *wq_attr;
969 	struct mlx5_devx_obj *rq = NULL;
970 
971 	rq = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*rq), 0, socket);
972 	if (!rq) {
973 		DRV_LOG(ERR, "Failed to allocate RQ data");
974 		rte_errno = ENOMEM;
975 		return NULL;
976 	}
977 	MLX5_SET(create_rq_in, in, opcode, MLX5_CMD_OP_CREATE_RQ);
978 	rq_ctx = MLX5_ADDR_OF(create_rq_in, in, ctx);
979 	MLX5_SET(rqc, rq_ctx, rlky, rq_attr->rlky);
980 	MLX5_SET(rqc, rq_ctx, delay_drop_en, rq_attr->delay_drop_en);
981 	MLX5_SET(rqc, rq_ctx, scatter_fcs, rq_attr->scatter_fcs);
982 	MLX5_SET(rqc, rq_ctx, vsd, rq_attr->vsd);
983 	MLX5_SET(rqc, rq_ctx, mem_rq_type, rq_attr->mem_rq_type);
984 	MLX5_SET(rqc, rq_ctx, state, rq_attr->state);
985 	MLX5_SET(rqc, rq_ctx, flush_in_error_en, rq_attr->flush_in_error_en);
986 	MLX5_SET(rqc, rq_ctx, hairpin, rq_attr->hairpin);
987 	MLX5_SET(rqc, rq_ctx, user_index, rq_attr->user_index);
988 	MLX5_SET(rqc, rq_ctx, cqn, rq_attr->cqn);
989 	MLX5_SET(rqc, rq_ctx, counter_set_id, rq_attr->counter_set_id);
990 	MLX5_SET(rqc, rq_ctx, rmpn, rq_attr->rmpn);
991 	wq_ctx = MLX5_ADDR_OF(rqc, rq_ctx, wq);
992 	wq_attr = &rq_attr->wq_attr;
993 	devx_cmd_fill_wq_data(wq_ctx, wq_attr);
994 	rq->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
995 						  out, sizeof(out));
996 	if (!rq->obj) {
997 		DRV_LOG(ERR, "Failed to create RQ using DevX");
998 		rte_errno = errno;
999 		mlx5_free(rq);
1000 		return NULL;
1001 	}
1002 	rq->id = MLX5_GET(create_rq_out, out, rqn);
1003 	return rq;
1004 }
1005 
1006 /**
1007  * Modify RQ using DevX API.
1008  *
1009  * @param[in] rq
1010  *   Pointer to RQ object structure.
1011  * @param [in] rq_attr
1012  *   Pointer to modify RQ attributes structure.
1013  *
1014  * @return
1015  *   0 on success, a negative errno value otherwise and rte_errno is set.
1016  */
1017 int
1018 mlx5_devx_cmd_modify_rq(struct mlx5_devx_obj *rq,
1019 			struct mlx5_devx_modify_rq_attr *rq_attr)
1020 {
1021 	uint32_t in[MLX5_ST_SZ_DW(modify_rq_in)] = {0};
1022 	uint32_t out[MLX5_ST_SZ_DW(modify_rq_out)] = {0};
1023 	void *rq_ctx, *wq_ctx;
1024 	int ret;
1025 
1026 	MLX5_SET(modify_rq_in, in, opcode, MLX5_CMD_OP_MODIFY_RQ);
1027 	MLX5_SET(modify_rq_in, in, rq_state, rq_attr->rq_state);
1028 	MLX5_SET(modify_rq_in, in, rqn, rq->id);
1029 	MLX5_SET64(modify_rq_in, in, modify_bitmask, rq_attr->modify_bitmask);
1030 	rq_ctx = MLX5_ADDR_OF(modify_rq_in, in, ctx);
1031 	MLX5_SET(rqc, rq_ctx, state, rq_attr->state);
1032 	if (rq_attr->modify_bitmask &
1033 			MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_SCATTER_FCS)
1034 		MLX5_SET(rqc, rq_ctx, scatter_fcs, rq_attr->scatter_fcs);
1035 	if (rq_attr->modify_bitmask & MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_VSD)
1036 		MLX5_SET(rqc, rq_ctx, vsd, rq_attr->vsd);
1037 	if (rq_attr->modify_bitmask &
1038 			MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_RQ_COUNTER_SET_ID)
1039 		MLX5_SET(rqc, rq_ctx, counter_set_id, rq_attr->counter_set_id);
1040 	MLX5_SET(rqc, rq_ctx, hairpin_peer_sq, rq_attr->hairpin_peer_sq);
1041 	MLX5_SET(rqc, rq_ctx, hairpin_peer_vhca, rq_attr->hairpin_peer_vhca);
1042 	if (rq_attr->modify_bitmask & MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_WQ_LWM) {
1043 		wq_ctx = MLX5_ADDR_OF(rqc, rq_ctx, wq);
1044 		MLX5_SET(wq, wq_ctx, lwm, rq_attr->lwm);
1045 	}
1046 	ret = mlx5_glue->devx_obj_modify(rq->obj, in, sizeof(in),
1047 					 out, sizeof(out));
1048 	if (ret) {
1049 		DRV_LOG(ERR, "Failed to modify RQ using DevX");
1050 		rte_errno = errno;
1051 		return -errno;
1052 	}
1053 	return ret;
1054 }
1055 
1056 /**
1057  * Create TIR using DevX API.
1058  *
1059  * @param[in] ctx
1060  *  Context returned from mlx5 open_device() glue function.
1061  * @param [in] tir_attr
1062  *   Pointer to TIR attributes structure.
1063  *
1064  * @return
1065  *   The DevX object created, NULL otherwise and rte_errno is set.
1066  */
1067 struct mlx5_devx_obj *
1068 mlx5_devx_cmd_create_tir(void *ctx,
1069 			 struct mlx5_devx_tir_attr *tir_attr)
1070 {
1071 	uint32_t in[MLX5_ST_SZ_DW(create_tir_in)] = {0};
1072 	uint32_t out[MLX5_ST_SZ_DW(create_tir_out)] = {0};
1073 	void *tir_ctx, *outer, *inner, *rss_key;
1074 	struct mlx5_devx_obj *tir = NULL;
1075 
1076 	tir = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*tir), 0, SOCKET_ID_ANY);
1077 	if (!tir) {
1078 		DRV_LOG(ERR, "Failed to allocate TIR data");
1079 		rte_errno = ENOMEM;
1080 		return NULL;
1081 	}
1082 	MLX5_SET(create_tir_in, in, opcode, MLX5_CMD_OP_CREATE_TIR);
1083 	tir_ctx = MLX5_ADDR_OF(create_tir_in, in, ctx);
1084 	MLX5_SET(tirc, tir_ctx, disp_type, tir_attr->disp_type);
1085 	MLX5_SET(tirc, tir_ctx, lro_timeout_period_usecs,
1086 		 tir_attr->lro_timeout_period_usecs);
1087 	MLX5_SET(tirc, tir_ctx, lro_enable_mask, tir_attr->lro_enable_mask);
1088 	MLX5_SET(tirc, tir_ctx, lro_max_msg_sz, tir_attr->lro_max_msg_sz);
1089 	MLX5_SET(tirc, tir_ctx, inline_rqn, tir_attr->inline_rqn);
1090 	MLX5_SET(tirc, tir_ctx, rx_hash_symmetric, tir_attr->rx_hash_symmetric);
1091 	MLX5_SET(tirc, tir_ctx, tunneled_offload_en,
1092 		 tir_attr->tunneled_offload_en);
1093 	MLX5_SET(tirc, tir_ctx, indirect_table, tir_attr->indirect_table);
1094 	MLX5_SET(tirc, tir_ctx, rx_hash_fn, tir_attr->rx_hash_fn);
1095 	MLX5_SET(tirc, tir_ctx, self_lb_block, tir_attr->self_lb_block);
1096 	MLX5_SET(tirc, tir_ctx, transport_domain, tir_attr->transport_domain);
1097 	rss_key = MLX5_ADDR_OF(tirc, tir_ctx, rx_hash_toeplitz_key);
1098 	memcpy(rss_key, tir_attr->rx_hash_toeplitz_key, MLX5_RSS_HASH_KEY_LEN);
1099 	outer = MLX5_ADDR_OF(tirc, tir_ctx, rx_hash_field_selector_outer);
1100 	MLX5_SET(rx_hash_field_select, outer, l3_prot_type,
1101 		 tir_attr->rx_hash_field_selector_outer.l3_prot_type);
1102 	MLX5_SET(rx_hash_field_select, outer, l4_prot_type,
1103 		 tir_attr->rx_hash_field_selector_outer.l4_prot_type);
1104 	MLX5_SET(rx_hash_field_select, outer, selected_fields,
1105 		 tir_attr->rx_hash_field_selector_outer.selected_fields);
1106 	inner = MLX5_ADDR_OF(tirc, tir_ctx, rx_hash_field_selector_inner);
1107 	MLX5_SET(rx_hash_field_select, inner, l3_prot_type,
1108 		 tir_attr->rx_hash_field_selector_inner.l3_prot_type);
1109 	MLX5_SET(rx_hash_field_select, inner, l4_prot_type,
1110 		 tir_attr->rx_hash_field_selector_inner.l4_prot_type);
1111 	MLX5_SET(rx_hash_field_select, inner, selected_fields,
1112 		 tir_attr->rx_hash_field_selector_inner.selected_fields);
1113 	tir->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
1114 						   out, sizeof(out));
1115 	if (!tir->obj) {
1116 		DRV_LOG(ERR, "Failed to create TIR using DevX");
1117 		rte_errno = errno;
1118 		mlx5_free(tir);
1119 		return NULL;
1120 	}
1121 	tir->id = MLX5_GET(create_tir_out, out, tirn);
1122 	return tir;
1123 }
1124 
1125 /**
1126  * Modify TIR using DevX API.
1127  *
1128  * @param[in] tir
1129  *   Pointer to TIR DevX object structure.
1130  * @param [in] modify_tir_attr
1131  *   Pointer to TIR modification attributes structure.
1132  *
1133  * @return
1134  *   0 on success, a negative errno value otherwise and rte_errno is set.
1135  */
1136 int
1137 mlx5_devx_cmd_modify_tir(struct mlx5_devx_obj *tir,
1138 			 struct mlx5_devx_modify_tir_attr *modify_tir_attr)
1139 {
1140 	struct mlx5_devx_tir_attr *tir_attr = &modify_tir_attr->tir;
1141 	uint32_t in[MLX5_ST_SZ_DW(modify_tir_in)] = {0};
1142 	uint32_t out[MLX5_ST_SZ_DW(modify_tir_out)] = {0};
1143 	void *tir_ctx;
1144 	int ret;
1145 
1146 	MLX5_SET(modify_tir_in, in, opcode, MLX5_CMD_OP_MODIFY_TIR);
1147 	MLX5_SET(modify_tir_in, in, tirn, modify_tir_attr->tirn);
1148 	MLX5_SET64(modify_tir_in, in, modify_bitmask,
1149 		   modify_tir_attr->modify_bitmask);
1150 	tir_ctx = MLX5_ADDR_OF(modify_rq_in, in, ctx);
1151 	if (modify_tir_attr->modify_bitmask &
1152 			MLX5_MODIFY_TIR_IN_MODIFY_BITMASK_LRO) {
1153 		MLX5_SET(tirc, tir_ctx, lro_timeout_period_usecs,
1154 			 tir_attr->lro_timeout_period_usecs);
1155 		MLX5_SET(tirc, tir_ctx, lro_enable_mask,
1156 			 tir_attr->lro_enable_mask);
1157 		MLX5_SET(tirc, tir_ctx, lro_max_msg_sz,
1158 			 tir_attr->lro_max_msg_sz);
1159 	}
1160 	if (modify_tir_attr->modify_bitmask &
1161 			MLX5_MODIFY_TIR_IN_MODIFY_BITMASK_INDIRECT_TABLE)
1162 		MLX5_SET(tirc, tir_ctx, indirect_table,
1163 			 tir_attr->indirect_table);
1164 	if (modify_tir_attr->modify_bitmask &
1165 			MLX5_MODIFY_TIR_IN_MODIFY_BITMASK_HASH) {
1166 		int i;
1167 		void *outer, *inner;
1168 
1169 		MLX5_SET(tirc, tir_ctx, rx_hash_symmetric,
1170 			 tir_attr->rx_hash_symmetric);
1171 		MLX5_SET(tirc, tir_ctx, rx_hash_fn, tir_attr->rx_hash_fn);
1172 		for (i = 0; i < 10; i++) {
1173 			MLX5_SET(tirc, tir_ctx, rx_hash_toeplitz_key[i],
1174 				 tir_attr->rx_hash_toeplitz_key[i]);
1175 		}
1176 		outer = MLX5_ADDR_OF(tirc, tir_ctx,
1177 				     rx_hash_field_selector_outer);
1178 		MLX5_SET(rx_hash_field_select, outer, l3_prot_type,
1179 			 tir_attr->rx_hash_field_selector_outer.l3_prot_type);
1180 		MLX5_SET(rx_hash_field_select, outer, l4_prot_type,
1181 			 tir_attr->rx_hash_field_selector_outer.l4_prot_type);
1182 		MLX5_SET
1183 		(rx_hash_field_select, outer, selected_fields,
1184 		 tir_attr->rx_hash_field_selector_outer.selected_fields);
1185 		inner = MLX5_ADDR_OF(tirc, tir_ctx,
1186 				     rx_hash_field_selector_inner);
1187 		MLX5_SET(rx_hash_field_select, inner, l3_prot_type,
1188 			 tir_attr->rx_hash_field_selector_inner.l3_prot_type);
1189 		MLX5_SET(rx_hash_field_select, inner, l4_prot_type,
1190 			 tir_attr->rx_hash_field_selector_inner.l4_prot_type);
1191 		MLX5_SET
1192 		(rx_hash_field_select, inner, selected_fields,
1193 		 tir_attr->rx_hash_field_selector_inner.selected_fields);
1194 	}
1195 	if (modify_tir_attr->modify_bitmask &
1196 	    MLX5_MODIFY_TIR_IN_MODIFY_BITMASK_SELF_LB_EN) {
1197 		MLX5_SET(tirc, tir_ctx, self_lb_block, tir_attr->self_lb_block);
1198 	}
1199 	ret = mlx5_glue->devx_obj_modify(tir->obj, in, sizeof(in),
1200 					 out, sizeof(out));
1201 	if (ret) {
1202 		DRV_LOG(ERR, "Failed to modify TIR using DevX");
1203 		rte_errno = errno;
1204 		return -errno;
1205 	}
1206 	return ret;
1207 }
1208 
1209 /**
1210  * Create RQT using DevX API.
1211  *
1212  * @param[in] ctx
1213  *   Context returned from mlx5 open_device() glue function.
1214  * @param [in] rqt_attr
1215  *   Pointer to RQT attributes structure.
1216  *
1217  * @return
1218  *   The DevX object created, NULL otherwise and rte_errno is set.
1219  */
1220 struct mlx5_devx_obj *
1221 mlx5_devx_cmd_create_rqt(void *ctx,
1222 			 struct mlx5_devx_rqt_attr *rqt_attr)
1223 {
1224 	uint32_t *in = NULL;
1225 	uint32_t inlen = MLX5_ST_SZ_BYTES(create_rqt_in) +
1226 			 rqt_attr->rqt_actual_size * sizeof(uint32_t);
1227 	uint32_t out[MLX5_ST_SZ_DW(create_rqt_out)] = {0};
1228 	void *rqt_ctx;
1229 	struct mlx5_devx_obj *rqt = NULL;
1230 	int i;
1231 
1232 	in = mlx5_malloc(MLX5_MEM_ZERO, inlen, 0, SOCKET_ID_ANY);
1233 	if (!in) {
1234 		DRV_LOG(ERR, "Failed to allocate RQT IN data");
1235 		rte_errno = ENOMEM;
1236 		return NULL;
1237 	}
1238 	rqt = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*rqt), 0, SOCKET_ID_ANY);
1239 	if (!rqt) {
1240 		DRV_LOG(ERR, "Failed to allocate RQT data");
1241 		rte_errno = ENOMEM;
1242 		mlx5_free(in);
1243 		return NULL;
1244 	}
1245 	MLX5_SET(create_rqt_in, in, opcode, MLX5_CMD_OP_CREATE_RQT);
1246 	rqt_ctx = MLX5_ADDR_OF(create_rqt_in, in, rqt_context);
1247 	MLX5_SET(rqtc, rqt_ctx, list_q_type, rqt_attr->rq_type);
1248 	MLX5_SET(rqtc, rqt_ctx, rqt_max_size, rqt_attr->rqt_max_size);
1249 	MLX5_SET(rqtc, rqt_ctx, rqt_actual_size, rqt_attr->rqt_actual_size);
1250 	for (i = 0; i < rqt_attr->rqt_actual_size; i++)
1251 		MLX5_SET(rqtc, rqt_ctx, rq_num[i], rqt_attr->rq_list[i]);
1252 	rqt->obj = mlx5_glue->devx_obj_create(ctx, in, inlen, out, sizeof(out));
1253 	mlx5_free(in);
1254 	if (!rqt->obj) {
1255 		DRV_LOG(ERR, "Failed to create RQT using DevX");
1256 		rte_errno = errno;
1257 		mlx5_free(rqt);
1258 		return NULL;
1259 	}
1260 	rqt->id = MLX5_GET(create_rqt_out, out, rqtn);
1261 	return rqt;
1262 }
1263 
1264 /**
1265  * Modify RQT using DevX API.
1266  *
1267  * @param[in] rqt
1268  *   Pointer to RQT DevX object structure.
1269  * @param [in] rqt_attr
1270  *   Pointer to RQT attributes structure.
1271  *
1272  * @return
1273  *   0 on success, a negative errno value otherwise and rte_errno is set.
1274  */
1275 int
1276 mlx5_devx_cmd_modify_rqt(struct mlx5_devx_obj *rqt,
1277 			 struct mlx5_devx_rqt_attr *rqt_attr)
1278 {
1279 	uint32_t inlen = MLX5_ST_SZ_BYTES(modify_rqt_in) +
1280 			 rqt_attr->rqt_actual_size * sizeof(uint32_t);
1281 	uint32_t out[MLX5_ST_SZ_DW(modify_rqt_out)] = {0};
1282 	uint32_t *in = mlx5_malloc(MLX5_MEM_ZERO, inlen, 0, SOCKET_ID_ANY);
1283 	void *rqt_ctx;
1284 	int i;
1285 	int ret;
1286 
1287 	if (!in) {
1288 		DRV_LOG(ERR, "Failed to allocate RQT modify IN data.");
1289 		rte_errno = ENOMEM;
1290 		return -ENOMEM;
1291 	}
1292 	MLX5_SET(modify_rqt_in, in, opcode, MLX5_CMD_OP_MODIFY_RQT);
1293 	MLX5_SET(modify_rqt_in, in, rqtn, rqt->id);
1294 	MLX5_SET64(modify_rqt_in, in, modify_bitmask, 0x1);
1295 	rqt_ctx = MLX5_ADDR_OF(modify_rqt_in, in, rqt_context);
1296 	MLX5_SET(rqtc, rqt_ctx, list_q_type, rqt_attr->rq_type);
1297 	MLX5_SET(rqtc, rqt_ctx, rqt_max_size, rqt_attr->rqt_max_size);
1298 	MLX5_SET(rqtc, rqt_ctx, rqt_actual_size, rqt_attr->rqt_actual_size);
1299 	for (i = 0; i < rqt_attr->rqt_actual_size; i++)
1300 		MLX5_SET(rqtc, rqt_ctx, rq_num[i], rqt_attr->rq_list[i]);
1301 	ret = mlx5_glue->devx_obj_modify(rqt->obj, in, inlen, out, sizeof(out));
1302 	mlx5_free(in);
1303 	if (ret) {
1304 		DRV_LOG(ERR, "Failed to modify RQT using DevX.");
1305 		rte_errno = errno;
1306 		return -rte_errno;
1307 	}
1308 	return ret;
1309 }
1310 
1311 /**
1312  * Create SQ using DevX API.
1313  *
1314  * @param[in] ctx
1315  *   Context returned from mlx5 open_device() glue function.
1316  * @param [in] sq_attr
1317  *   Pointer to SQ attributes structure.
1318  * @param [in] socket
1319  *   CPU socket ID for allocations.
1320  *
1321  * @return
1322  *   The DevX object created, NULL otherwise and rte_errno is set.
1323  **/
1324 struct mlx5_devx_obj *
1325 mlx5_devx_cmd_create_sq(void *ctx,
1326 			struct mlx5_devx_create_sq_attr *sq_attr)
1327 {
1328 	uint32_t in[MLX5_ST_SZ_DW(create_sq_in)] = {0};
1329 	uint32_t out[MLX5_ST_SZ_DW(create_sq_out)] = {0};
1330 	void *sq_ctx;
1331 	void *wq_ctx;
1332 	struct mlx5_devx_wq_attr *wq_attr;
1333 	struct mlx5_devx_obj *sq = NULL;
1334 
1335 	sq = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*sq), 0, SOCKET_ID_ANY);
1336 	if (!sq) {
1337 		DRV_LOG(ERR, "Failed to allocate SQ data");
1338 		rte_errno = ENOMEM;
1339 		return NULL;
1340 	}
1341 	MLX5_SET(create_sq_in, in, opcode, MLX5_CMD_OP_CREATE_SQ);
1342 	sq_ctx = MLX5_ADDR_OF(create_sq_in, in, ctx);
1343 	MLX5_SET(sqc, sq_ctx, rlky, sq_attr->rlky);
1344 	MLX5_SET(sqc, sq_ctx, cd_master, sq_attr->cd_master);
1345 	MLX5_SET(sqc, sq_ctx, fre, sq_attr->fre);
1346 	MLX5_SET(sqc, sq_ctx, flush_in_error_en, sq_attr->flush_in_error_en);
1347 	MLX5_SET(sqc, sq_ctx, allow_multi_pkt_send_wqe,
1348 		 sq_attr->allow_multi_pkt_send_wqe);
1349 	MLX5_SET(sqc, sq_ctx, min_wqe_inline_mode,
1350 		 sq_attr->min_wqe_inline_mode);
1351 	MLX5_SET(sqc, sq_ctx, state, sq_attr->state);
1352 	MLX5_SET(sqc, sq_ctx, reg_umr, sq_attr->reg_umr);
1353 	MLX5_SET(sqc, sq_ctx, allow_swp, sq_attr->allow_swp);
1354 	MLX5_SET(sqc, sq_ctx, hairpin, sq_attr->hairpin);
1355 	MLX5_SET(sqc, sq_ctx, non_wire, sq_attr->non_wire);
1356 	MLX5_SET(sqc, sq_ctx, static_sq_wq, sq_attr->static_sq_wq);
1357 	MLX5_SET(sqc, sq_ctx, user_index, sq_attr->user_index);
1358 	MLX5_SET(sqc, sq_ctx, cqn, sq_attr->cqn);
1359 	MLX5_SET(sqc, sq_ctx, packet_pacing_rate_limit_index,
1360 		 sq_attr->packet_pacing_rate_limit_index);
1361 	MLX5_SET(sqc, sq_ctx, tis_lst_sz, sq_attr->tis_lst_sz);
1362 	MLX5_SET(sqc, sq_ctx, tis_num_0, sq_attr->tis_num);
1363 	wq_ctx = MLX5_ADDR_OF(sqc, sq_ctx, wq);
1364 	wq_attr = &sq_attr->wq_attr;
1365 	devx_cmd_fill_wq_data(wq_ctx, wq_attr);
1366 	sq->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
1367 					     out, sizeof(out));
1368 	if (!sq->obj) {
1369 		DRV_LOG(ERR, "Failed to create SQ using DevX");
1370 		rte_errno = errno;
1371 		mlx5_free(sq);
1372 		return NULL;
1373 	}
1374 	sq->id = MLX5_GET(create_sq_out, out, sqn);
1375 	return sq;
1376 }
1377 
1378 /**
1379  * Modify SQ using DevX API.
1380  *
1381  * @param[in] sq
1382  *   Pointer to SQ object structure.
1383  * @param [in] sq_attr
1384  *   Pointer to SQ attributes structure.
1385  *
1386  * @return
1387  *   0 on success, a negative errno value otherwise and rte_errno is set.
1388  */
1389 int
1390 mlx5_devx_cmd_modify_sq(struct mlx5_devx_obj *sq,
1391 			struct mlx5_devx_modify_sq_attr *sq_attr)
1392 {
1393 	uint32_t in[MLX5_ST_SZ_DW(modify_sq_in)] = {0};
1394 	uint32_t out[MLX5_ST_SZ_DW(modify_sq_out)] = {0};
1395 	void *sq_ctx;
1396 	int ret;
1397 
1398 	MLX5_SET(modify_sq_in, in, opcode, MLX5_CMD_OP_MODIFY_SQ);
1399 	MLX5_SET(modify_sq_in, in, sq_state, sq_attr->sq_state);
1400 	MLX5_SET(modify_sq_in, in, sqn, sq->id);
1401 	sq_ctx = MLX5_ADDR_OF(modify_sq_in, in, ctx);
1402 	MLX5_SET(sqc, sq_ctx, state, sq_attr->state);
1403 	MLX5_SET(sqc, sq_ctx, hairpin_peer_rq, sq_attr->hairpin_peer_rq);
1404 	MLX5_SET(sqc, sq_ctx, hairpin_peer_vhca, sq_attr->hairpin_peer_vhca);
1405 	ret = mlx5_glue->devx_obj_modify(sq->obj, in, sizeof(in),
1406 					 out, sizeof(out));
1407 	if (ret) {
1408 		DRV_LOG(ERR, "Failed to modify SQ using DevX");
1409 		rte_errno = errno;
1410 		return -rte_errno;
1411 	}
1412 	return ret;
1413 }
1414 
1415 /**
1416  * Create TIS using DevX API.
1417  *
1418  * @param[in] ctx
1419  *   Context returned from mlx5 open_device() glue function.
1420  * @param [in] tis_attr
1421  *   Pointer to TIS attributes structure.
1422  *
1423  * @return
1424  *   The DevX object created, NULL otherwise and rte_errno is set.
1425  */
1426 struct mlx5_devx_obj *
1427 mlx5_devx_cmd_create_tis(void *ctx,
1428 			 struct mlx5_devx_tis_attr *tis_attr)
1429 {
1430 	uint32_t in[MLX5_ST_SZ_DW(create_tis_in)] = {0};
1431 	uint32_t out[MLX5_ST_SZ_DW(create_tis_out)] = {0};
1432 	struct mlx5_devx_obj *tis = NULL;
1433 	void *tis_ctx;
1434 
1435 	tis = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*tis), 0, SOCKET_ID_ANY);
1436 	if (!tis) {
1437 		DRV_LOG(ERR, "Failed to allocate TIS object");
1438 		rte_errno = ENOMEM;
1439 		return NULL;
1440 	}
1441 	MLX5_SET(create_tis_in, in, opcode, MLX5_CMD_OP_CREATE_TIS);
1442 	tis_ctx = MLX5_ADDR_OF(create_tis_in, in, ctx);
1443 	MLX5_SET(tisc, tis_ctx, strict_lag_tx_port_affinity,
1444 		 tis_attr->strict_lag_tx_port_affinity);
1445 	MLX5_SET(tisc, tis_ctx, lag_tx_port_affinity,
1446 		 tis_attr->lag_tx_port_affinity);
1447 	MLX5_SET(tisc, tis_ctx, prio, tis_attr->prio);
1448 	MLX5_SET(tisc, tis_ctx, transport_domain,
1449 		 tis_attr->transport_domain);
1450 	tis->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
1451 					      out, sizeof(out));
1452 	if (!tis->obj) {
1453 		DRV_LOG(ERR, "Failed to create TIS using DevX");
1454 		rte_errno = errno;
1455 		mlx5_free(tis);
1456 		return NULL;
1457 	}
1458 	tis->id = MLX5_GET(create_tis_out, out, tisn);
1459 	return tis;
1460 }
1461 
1462 /**
1463  * Create transport domain using DevX API.
1464  *
1465  * @param[in] ctx
1466  *   Context returned from mlx5 open_device() glue function.
1467  * @return
1468  *   The DevX object created, NULL otherwise and rte_errno is set.
1469  */
1470 struct mlx5_devx_obj *
1471 mlx5_devx_cmd_create_td(void *ctx)
1472 {
1473 	uint32_t in[MLX5_ST_SZ_DW(alloc_transport_domain_in)] = {0};
1474 	uint32_t out[MLX5_ST_SZ_DW(alloc_transport_domain_out)] = {0};
1475 	struct mlx5_devx_obj *td = NULL;
1476 
1477 	td = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*td), 0, SOCKET_ID_ANY);
1478 	if (!td) {
1479 		DRV_LOG(ERR, "Failed to allocate TD object");
1480 		rte_errno = ENOMEM;
1481 		return NULL;
1482 	}
1483 	MLX5_SET(alloc_transport_domain_in, in, opcode,
1484 		 MLX5_CMD_OP_ALLOC_TRANSPORT_DOMAIN);
1485 	td->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
1486 					     out, sizeof(out));
1487 	if (!td->obj) {
1488 		DRV_LOG(ERR, "Failed to create TIS using DevX");
1489 		rte_errno = errno;
1490 		mlx5_free(td);
1491 		return NULL;
1492 	}
1493 	td->id = MLX5_GET(alloc_transport_domain_out, out,
1494 			   transport_domain);
1495 	return td;
1496 }
1497 
1498 /**
1499  * Dump all flows to file.
1500  *
1501  * @param[in] fdb_domain
1502  *   FDB domain.
1503  * @param[in] rx_domain
1504  *   RX domain.
1505  * @param[in] tx_domain
1506  *   TX domain.
1507  * @param[out] file
1508  *   Pointer to file stream.
1509  *
1510  * @return
1511  *   0 on success, a nagative value otherwise.
1512  */
1513 int
1514 mlx5_devx_cmd_flow_dump(void *fdb_domain __rte_unused,
1515 			void *rx_domain __rte_unused,
1516 			void *tx_domain __rte_unused, FILE *file __rte_unused)
1517 {
1518 	int ret = 0;
1519 
1520 #ifdef HAVE_MLX5_DR_FLOW_DUMP
1521 	if (fdb_domain) {
1522 		ret = mlx5_glue->dr_dump_domain(file, fdb_domain);
1523 		if (ret)
1524 			return ret;
1525 	}
1526 	MLX5_ASSERT(rx_domain);
1527 	ret = mlx5_glue->dr_dump_domain(file, rx_domain);
1528 	if (ret)
1529 		return ret;
1530 	MLX5_ASSERT(tx_domain);
1531 	ret = mlx5_glue->dr_dump_domain(file, tx_domain);
1532 #else
1533 	ret = ENOTSUP;
1534 #endif
1535 	return -ret;
1536 }
1537 
1538 /*
1539  * Create CQ using DevX API.
1540  *
1541  * @param[in] ctx
1542  *   Context returned from mlx5 open_device() glue function.
1543  * @param [in] attr
1544  *   Pointer to CQ attributes structure.
1545  *
1546  * @return
1547  *   The DevX object created, NULL otherwise and rte_errno is set.
1548  */
1549 struct mlx5_devx_obj *
1550 mlx5_devx_cmd_create_cq(void *ctx, struct mlx5_devx_cq_attr *attr)
1551 {
1552 	uint32_t in[MLX5_ST_SZ_DW(create_cq_in)] = {0};
1553 	uint32_t out[MLX5_ST_SZ_DW(create_cq_out)] = {0};
1554 	struct mlx5_devx_obj *cq_obj = mlx5_malloc(MLX5_MEM_ZERO,
1555 						   sizeof(*cq_obj),
1556 						   0, SOCKET_ID_ANY);
1557 	void *cqctx = MLX5_ADDR_OF(create_cq_in, in, cq_context);
1558 
1559 	if (!cq_obj) {
1560 		DRV_LOG(ERR, "Failed to allocate CQ object memory.");
1561 		rte_errno = ENOMEM;
1562 		return NULL;
1563 	}
1564 	MLX5_SET(create_cq_in, in, opcode, MLX5_CMD_OP_CREATE_CQ);
1565 	if (attr->db_umem_valid) {
1566 		MLX5_SET(cqc, cqctx, dbr_umem_valid, attr->db_umem_valid);
1567 		MLX5_SET(cqc, cqctx, dbr_umem_id, attr->db_umem_id);
1568 		MLX5_SET64(cqc, cqctx, dbr_addr, attr->db_umem_offset);
1569 	} else {
1570 		MLX5_SET64(cqc, cqctx, dbr_addr, attr->db_addr);
1571 	}
1572 	MLX5_SET(cqc, cqctx, cqe_sz, attr->cqe_size);
1573 	MLX5_SET(cqc, cqctx, cc, attr->use_first_only);
1574 	MLX5_SET(cqc, cqctx, oi, attr->overrun_ignore);
1575 	MLX5_SET(cqc, cqctx, log_cq_size, attr->log_cq_size);
1576 	MLX5_SET(cqc, cqctx, log_page_size, attr->log_page_size -
1577 		 MLX5_ADAPTER_PAGE_SHIFT);
1578 	MLX5_SET(cqc, cqctx, c_eqn, attr->eqn);
1579 	MLX5_SET(cqc, cqctx, uar_page, attr->uar_page_id);
1580 	MLX5_SET(cqc, cqctx, cqe_comp_en, !!attr->cqe_comp_en);
1581 	MLX5_SET(cqc, cqctx, mini_cqe_res_format,
1582 		 attr->mini_cqe_res_format);
1583 	MLX5_SET(cqc, cqctx, mini_cqe_res_format_ext,
1584 		 attr->mini_cqe_res_format_ext);
1585 	MLX5_SET(cqc, cqctx, cqe_sz, attr->cqe_size);
1586 	if (attr->q_umem_valid) {
1587 		MLX5_SET(create_cq_in, in, cq_umem_valid, attr->q_umem_valid);
1588 		MLX5_SET(create_cq_in, in, cq_umem_id, attr->q_umem_id);
1589 		MLX5_SET64(create_cq_in, in, cq_umem_offset,
1590 			   attr->q_umem_offset);
1591 	}
1592 	cq_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in), out,
1593 						 sizeof(out));
1594 	if (!cq_obj->obj) {
1595 		rte_errno = errno;
1596 		DRV_LOG(ERR, "Failed to create CQ using DevX errno=%d.", errno);
1597 		mlx5_free(cq_obj);
1598 		return NULL;
1599 	}
1600 	cq_obj->id = MLX5_GET(create_cq_out, out, cqn);
1601 	return cq_obj;
1602 }
1603 
1604 /**
1605  * Create VIRTQ using DevX API.
1606  *
1607  * @param[in] ctx
1608  *   Context returned from mlx5 open_device() glue function.
1609  * @param [in] attr
1610  *   Pointer to VIRTQ attributes structure.
1611  *
1612  * @return
1613  *   The DevX object created, NULL otherwise and rte_errno is set.
1614  */
1615 struct mlx5_devx_obj *
1616 mlx5_devx_cmd_create_virtq(void *ctx,
1617 			   struct mlx5_devx_virtq_attr *attr)
1618 {
1619 	uint32_t in[MLX5_ST_SZ_DW(create_virtq_in)] = {0};
1620 	uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0};
1621 	struct mlx5_devx_obj *virtq_obj = mlx5_malloc(MLX5_MEM_ZERO,
1622 						     sizeof(*virtq_obj),
1623 						     0, SOCKET_ID_ANY);
1624 	void *virtq = MLX5_ADDR_OF(create_virtq_in, in, virtq);
1625 	void *hdr = MLX5_ADDR_OF(create_virtq_in, in, hdr);
1626 	void *virtctx = MLX5_ADDR_OF(virtio_net_q, virtq, virtio_q_context);
1627 
1628 	if (!virtq_obj) {
1629 		DRV_LOG(ERR, "Failed to allocate virtq data.");
1630 		rte_errno = ENOMEM;
1631 		return NULL;
1632 	}
1633 	MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
1634 		 MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
1635 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
1636 		 MLX5_GENERAL_OBJ_TYPE_VIRTQ);
1637 	MLX5_SET16(virtio_net_q, virtq, hw_available_index,
1638 		   attr->hw_available_index);
1639 	MLX5_SET16(virtio_net_q, virtq, hw_used_index, attr->hw_used_index);
1640 	MLX5_SET16(virtio_net_q, virtq, tso_ipv4, attr->tso_ipv4);
1641 	MLX5_SET16(virtio_net_q, virtq, tso_ipv6, attr->tso_ipv6);
1642 	MLX5_SET16(virtio_net_q, virtq, tx_csum, attr->tx_csum);
1643 	MLX5_SET16(virtio_net_q, virtq, rx_csum, attr->rx_csum);
1644 	MLX5_SET16(virtio_q, virtctx, virtio_version_1_0,
1645 		   attr->virtio_version_1_0);
1646 	MLX5_SET16(virtio_q, virtctx, event_mode, attr->event_mode);
1647 	MLX5_SET(virtio_q, virtctx, event_qpn_or_msix, attr->qp_id);
1648 	MLX5_SET64(virtio_q, virtctx, desc_addr, attr->desc_addr);
1649 	MLX5_SET64(virtio_q, virtctx, used_addr, attr->used_addr);
1650 	MLX5_SET64(virtio_q, virtctx, available_addr, attr->available_addr);
1651 	MLX5_SET16(virtio_q, virtctx, queue_index, attr->queue_index);
1652 	MLX5_SET16(virtio_q, virtctx, queue_size, attr->q_size);
1653 	MLX5_SET(virtio_q, virtctx, virtio_q_mkey, attr->mkey);
1654 	MLX5_SET(virtio_q, virtctx, umem_1_id, attr->umems[0].id);
1655 	MLX5_SET(virtio_q, virtctx, umem_1_size, attr->umems[0].size);
1656 	MLX5_SET64(virtio_q, virtctx, umem_1_offset, attr->umems[0].offset);
1657 	MLX5_SET(virtio_q, virtctx, umem_2_id, attr->umems[1].id);
1658 	MLX5_SET(virtio_q, virtctx, umem_2_size, attr->umems[1].size);
1659 	MLX5_SET64(virtio_q, virtctx, umem_2_offset, attr->umems[1].offset);
1660 	MLX5_SET(virtio_q, virtctx, umem_3_id, attr->umems[2].id);
1661 	MLX5_SET(virtio_q, virtctx, umem_3_size, attr->umems[2].size);
1662 	MLX5_SET64(virtio_q, virtctx, umem_3_offset, attr->umems[2].offset);
1663 	MLX5_SET(virtio_q, virtctx, counter_set_id, attr->counters_obj_id);
1664 	MLX5_SET(virtio_q, virtctx, pd, attr->pd);
1665 	MLX5_SET(virtio_net_q, virtq, tisn_or_qpn, attr->tis_id);
1666 	virtq_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in), out,
1667 						    sizeof(out));
1668 	if (!virtq_obj->obj) {
1669 		rte_errno = errno;
1670 		DRV_LOG(ERR, "Failed to create VIRTQ Obj using DevX.");
1671 		mlx5_free(virtq_obj);
1672 		return NULL;
1673 	}
1674 	virtq_obj->id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
1675 	return virtq_obj;
1676 }
1677 
1678 /**
1679  * Modify VIRTQ using DevX API.
1680  *
1681  * @param[in] virtq_obj
1682  *   Pointer to virtq object structure.
1683  * @param [in] attr
1684  *   Pointer to modify virtq attributes structure.
1685  *
1686  * @return
1687  *   0 on success, a negative errno value otherwise and rte_errno is set.
1688  */
1689 int
1690 mlx5_devx_cmd_modify_virtq(struct mlx5_devx_obj *virtq_obj,
1691 			   struct mlx5_devx_virtq_attr *attr)
1692 {
1693 	uint32_t in[MLX5_ST_SZ_DW(create_virtq_in)] = {0};
1694 	uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0};
1695 	void *virtq = MLX5_ADDR_OF(create_virtq_in, in, virtq);
1696 	void *hdr = MLX5_ADDR_OF(create_virtq_in, in, hdr);
1697 	void *virtctx = MLX5_ADDR_OF(virtio_net_q, virtq, virtio_q_context);
1698 	int ret;
1699 
1700 	MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
1701 		 MLX5_CMD_OP_MODIFY_GENERAL_OBJECT);
1702 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
1703 		 MLX5_GENERAL_OBJ_TYPE_VIRTQ);
1704 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_id, virtq_obj->id);
1705 	MLX5_SET64(virtio_net_q, virtq, modify_field_select, attr->type);
1706 	MLX5_SET16(virtio_q, virtctx, queue_index, attr->queue_index);
1707 	switch (attr->type) {
1708 	case MLX5_VIRTQ_MODIFY_TYPE_STATE:
1709 		MLX5_SET16(virtio_net_q, virtq, state, attr->state);
1710 		break;
1711 	case MLX5_VIRTQ_MODIFY_TYPE_DIRTY_BITMAP_PARAMS:
1712 		MLX5_SET(virtio_net_q, virtq, dirty_bitmap_mkey,
1713 			 attr->dirty_bitmap_mkey);
1714 		MLX5_SET64(virtio_net_q, virtq, dirty_bitmap_addr,
1715 			 attr->dirty_bitmap_addr);
1716 		MLX5_SET(virtio_net_q, virtq, dirty_bitmap_size,
1717 			 attr->dirty_bitmap_size);
1718 		break;
1719 	case MLX5_VIRTQ_MODIFY_TYPE_DIRTY_BITMAP_DUMP_ENABLE:
1720 		MLX5_SET(virtio_net_q, virtq, dirty_bitmap_dump_enable,
1721 			 attr->dirty_bitmap_dump_enable);
1722 		break;
1723 	default:
1724 		rte_errno = EINVAL;
1725 		return -rte_errno;
1726 	}
1727 	ret = mlx5_glue->devx_obj_modify(virtq_obj->obj, in, sizeof(in),
1728 					 out, sizeof(out));
1729 	if (ret) {
1730 		DRV_LOG(ERR, "Failed to modify VIRTQ using DevX.");
1731 		rte_errno = errno;
1732 		return -rte_errno;
1733 	}
1734 	return ret;
1735 }
1736 
1737 /**
1738  * Query VIRTQ using DevX API.
1739  *
1740  * @param[in] virtq_obj
1741  *   Pointer to virtq object structure.
1742  * @param [in/out] attr
1743  *   Pointer to virtq attributes structure.
1744  *
1745  * @return
1746  *   0 on success, a negative errno value otherwise and rte_errno is set.
1747  */
1748 int
1749 mlx5_devx_cmd_query_virtq(struct mlx5_devx_obj *virtq_obj,
1750 			   struct mlx5_devx_virtq_attr *attr)
1751 {
1752 	uint32_t in[MLX5_ST_SZ_DW(general_obj_in_cmd_hdr)] = {0};
1753 	uint32_t out[MLX5_ST_SZ_DW(query_virtq_out)] = {0};
1754 	void *hdr = MLX5_ADDR_OF(query_virtq_out, in, hdr);
1755 	void *virtq = MLX5_ADDR_OF(query_virtq_out, out, virtq);
1756 	int ret;
1757 
1758 	MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
1759 		 MLX5_CMD_OP_QUERY_GENERAL_OBJECT);
1760 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
1761 		 MLX5_GENERAL_OBJ_TYPE_VIRTQ);
1762 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_id, virtq_obj->id);
1763 	ret = mlx5_glue->devx_obj_query(virtq_obj->obj, in, sizeof(in),
1764 					 out, sizeof(out));
1765 	if (ret) {
1766 		DRV_LOG(ERR, "Failed to modify VIRTQ using DevX.");
1767 		rte_errno = errno;
1768 		return -errno;
1769 	}
1770 	attr->hw_available_index = MLX5_GET16(virtio_net_q, virtq,
1771 					      hw_available_index);
1772 	attr->hw_used_index = MLX5_GET16(virtio_net_q, virtq, hw_used_index);
1773 	attr->state = MLX5_GET16(virtio_net_q, virtq, state);
1774 	attr->error_type = MLX5_GET16(virtio_net_q, virtq,
1775 				      virtio_q_context.error_type);
1776 	return ret;
1777 }
1778 
1779 /**
1780  * Create QP using DevX API.
1781  *
1782  * @param[in] ctx
1783  *   Context returned from mlx5 open_device() glue function.
1784  * @param [in] attr
1785  *   Pointer to QP attributes structure.
1786  *
1787  * @return
1788  *   The DevX object created, NULL otherwise and rte_errno is set.
1789  */
1790 struct mlx5_devx_obj *
1791 mlx5_devx_cmd_create_qp(void *ctx,
1792 			struct mlx5_devx_qp_attr *attr)
1793 {
1794 	uint32_t in[MLX5_ST_SZ_DW(create_qp_in)] = {0};
1795 	uint32_t out[MLX5_ST_SZ_DW(create_qp_out)] = {0};
1796 	struct mlx5_devx_obj *qp_obj = mlx5_malloc(MLX5_MEM_ZERO,
1797 						   sizeof(*qp_obj),
1798 						   0, SOCKET_ID_ANY);
1799 	void *qpc = MLX5_ADDR_OF(create_qp_in, in, qpc);
1800 
1801 	if (!qp_obj) {
1802 		DRV_LOG(ERR, "Failed to allocate QP data.");
1803 		rte_errno = ENOMEM;
1804 		return NULL;
1805 	}
1806 	MLX5_SET(create_qp_in, in, opcode, MLX5_CMD_OP_CREATE_QP);
1807 	MLX5_SET(qpc, qpc, st, MLX5_QP_ST_RC);
1808 	MLX5_SET(qpc, qpc, pd, attr->pd);
1809 	if (attr->uar_index) {
1810 		MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED);
1811 		MLX5_SET(qpc, qpc, uar_page, attr->uar_index);
1812 		MLX5_SET(qpc, qpc, log_page_size, attr->log_page_size -
1813 			 MLX5_ADAPTER_PAGE_SHIFT);
1814 		if (attr->sq_size) {
1815 			MLX5_ASSERT(RTE_IS_POWER_OF_2(attr->sq_size));
1816 			MLX5_SET(qpc, qpc, cqn_snd, attr->cqn);
1817 			MLX5_SET(qpc, qpc, log_sq_size,
1818 				 rte_log2_u32(attr->sq_size));
1819 		} else {
1820 			MLX5_SET(qpc, qpc, no_sq, 1);
1821 		}
1822 		if (attr->rq_size) {
1823 			MLX5_ASSERT(RTE_IS_POWER_OF_2(attr->rq_size));
1824 			MLX5_SET(qpc, qpc, cqn_rcv, attr->cqn);
1825 			MLX5_SET(qpc, qpc, log_rq_stride, attr->log_rq_stride -
1826 				 MLX5_LOG_RQ_STRIDE_SHIFT);
1827 			MLX5_SET(qpc, qpc, log_rq_size,
1828 				 rte_log2_u32(attr->rq_size));
1829 			MLX5_SET(qpc, qpc, rq_type, MLX5_NON_ZERO_RQ);
1830 		} else {
1831 			MLX5_SET(qpc, qpc, rq_type, MLX5_ZERO_LEN_RQ);
1832 		}
1833 		if (attr->dbr_umem_valid) {
1834 			MLX5_SET(qpc, qpc, dbr_umem_valid,
1835 				 attr->dbr_umem_valid);
1836 			MLX5_SET(qpc, qpc, dbr_umem_id, attr->dbr_umem_id);
1837 		}
1838 		MLX5_SET64(qpc, qpc, dbr_addr, attr->dbr_address);
1839 		MLX5_SET64(create_qp_in, in, wq_umem_offset,
1840 			   attr->wq_umem_offset);
1841 		MLX5_SET(create_qp_in, in, wq_umem_id, attr->wq_umem_id);
1842 		MLX5_SET(create_qp_in, in, wq_umem_valid, 1);
1843 	} else {
1844 		/* Special QP to be managed by FW - no SQ\RQ\CQ\UAR\DB rec. */
1845 		MLX5_SET(qpc, qpc, rq_type, MLX5_ZERO_LEN_RQ);
1846 		MLX5_SET(qpc, qpc, no_sq, 1);
1847 	}
1848 	qp_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in), out,
1849 						 sizeof(out));
1850 	if (!qp_obj->obj) {
1851 		rte_errno = errno;
1852 		DRV_LOG(ERR, "Failed to create QP Obj using DevX.");
1853 		mlx5_free(qp_obj);
1854 		return NULL;
1855 	}
1856 	qp_obj->id = MLX5_GET(create_qp_out, out, qpn);
1857 	return qp_obj;
1858 }
1859 
1860 /**
1861  * Modify QP using DevX API.
1862  * Currently supports only force loop-back QP.
1863  *
1864  * @param[in] qp
1865  *   Pointer to QP object structure.
1866  * @param [in] qp_st_mod_op
1867  *   The QP state modification operation.
1868  * @param [in] remote_qp_id
1869  *   The remote QP ID for MLX5_CMD_OP_INIT2RTR_QP operation.
1870  *
1871  * @return
1872  *   0 on success, a negative errno value otherwise and rte_errno is set.
1873  */
1874 int
1875 mlx5_devx_cmd_modify_qp_state(struct mlx5_devx_obj *qp, uint32_t qp_st_mod_op,
1876 			      uint32_t remote_qp_id)
1877 {
1878 	union {
1879 		uint32_t rst2init[MLX5_ST_SZ_DW(rst2init_qp_in)];
1880 		uint32_t init2rtr[MLX5_ST_SZ_DW(init2rtr_qp_in)];
1881 		uint32_t rtr2rts[MLX5_ST_SZ_DW(rtr2rts_qp_in)];
1882 	} in;
1883 	union {
1884 		uint32_t rst2init[MLX5_ST_SZ_DW(rst2init_qp_out)];
1885 		uint32_t init2rtr[MLX5_ST_SZ_DW(init2rtr_qp_out)];
1886 		uint32_t rtr2rts[MLX5_ST_SZ_DW(rtr2rts_qp_out)];
1887 	} out;
1888 	void *qpc;
1889 	int ret;
1890 	unsigned int inlen;
1891 	unsigned int outlen;
1892 
1893 	memset(&in, 0, sizeof(in));
1894 	memset(&out, 0, sizeof(out));
1895 	MLX5_SET(rst2init_qp_in, &in, opcode, qp_st_mod_op);
1896 	switch (qp_st_mod_op) {
1897 	case MLX5_CMD_OP_RST2INIT_QP:
1898 		MLX5_SET(rst2init_qp_in, &in, qpn, qp->id);
1899 		qpc = MLX5_ADDR_OF(rst2init_qp_in, &in, qpc);
1900 		MLX5_SET(qpc, qpc, primary_address_path.vhca_port_num, 1);
1901 		MLX5_SET(qpc, qpc, rre, 1);
1902 		MLX5_SET(qpc, qpc, rwe, 1);
1903 		MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED);
1904 		inlen = sizeof(in.rst2init);
1905 		outlen = sizeof(out.rst2init);
1906 		break;
1907 	case MLX5_CMD_OP_INIT2RTR_QP:
1908 		MLX5_SET(init2rtr_qp_in, &in, qpn, qp->id);
1909 		qpc = MLX5_ADDR_OF(init2rtr_qp_in, &in, qpc);
1910 		MLX5_SET(qpc, qpc, primary_address_path.fl, 1);
1911 		MLX5_SET(qpc, qpc, primary_address_path.vhca_port_num, 1);
1912 		MLX5_SET(qpc, qpc, mtu, 1);
1913 		MLX5_SET(qpc, qpc, log_msg_max, 30);
1914 		MLX5_SET(qpc, qpc, remote_qpn, remote_qp_id);
1915 		MLX5_SET(qpc, qpc, min_rnr_nak, 0);
1916 		inlen = sizeof(in.init2rtr);
1917 		outlen = sizeof(out.init2rtr);
1918 		break;
1919 	case MLX5_CMD_OP_RTR2RTS_QP:
1920 		qpc = MLX5_ADDR_OF(rtr2rts_qp_in, &in, qpc);
1921 		MLX5_SET(rtr2rts_qp_in, &in, qpn, qp->id);
1922 		MLX5_SET(qpc, qpc, primary_address_path.ack_timeout, 14);
1923 		MLX5_SET(qpc, qpc, log_ack_req_freq, 0);
1924 		MLX5_SET(qpc, qpc, retry_count, 7);
1925 		MLX5_SET(qpc, qpc, rnr_retry, 7);
1926 		inlen = sizeof(in.rtr2rts);
1927 		outlen = sizeof(out.rtr2rts);
1928 		break;
1929 	default:
1930 		DRV_LOG(ERR, "Invalid or unsupported QP modify op %u.",
1931 			qp_st_mod_op);
1932 		rte_errno = EINVAL;
1933 		return -rte_errno;
1934 	}
1935 	ret = mlx5_glue->devx_obj_modify(qp->obj, &in, inlen, &out, outlen);
1936 	if (ret) {
1937 		DRV_LOG(ERR, "Failed to modify QP using DevX.");
1938 		rte_errno = errno;
1939 		return -rte_errno;
1940 	}
1941 	return ret;
1942 }
1943 
1944 struct mlx5_devx_obj *
1945 mlx5_devx_cmd_create_virtio_q_counters(void *ctx)
1946 {
1947 	uint32_t in[MLX5_ST_SZ_DW(create_virtio_q_counters_in)] = {0};
1948 	uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0};
1949 	struct mlx5_devx_obj *couners_obj = mlx5_malloc(MLX5_MEM_ZERO,
1950 						       sizeof(*couners_obj), 0,
1951 						       SOCKET_ID_ANY);
1952 	void *hdr = MLX5_ADDR_OF(create_virtio_q_counters_in, in, hdr);
1953 
1954 	if (!couners_obj) {
1955 		DRV_LOG(ERR, "Failed to allocate virtio queue counters data.");
1956 		rte_errno = ENOMEM;
1957 		return NULL;
1958 	}
1959 	MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
1960 		 MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
1961 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
1962 		 MLX5_GENERAL_OBJ_TYPE_VIRTIO_Q_COUNTERS);
1963 	couners_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in), out,
1964 						      sizeof(out));
1965 	if (!couners_obj->obj) {
1966 		rte_errno = errno;
1967 		DRV_LOG(ERR, "Failed to create virtio queue counters Obj using"
1968 			" DevX.");
1969 		mlx5_free(couners_obj);
1970 		return NULL;
1971 	}
1972 	couners_obj->id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
1973 	return couners_obj;
1974 }
1975 
1976 int
1977 mlx5_devx_cmd_query_virtio_q_counters(struct mlx5_devx_obj *couners_obj,
1978 				   struct mlx5_devx_virtio_q_couners_attr *attr)
1979 {
1980 	uint32_t in[MLX5_ST_SZ_DW(general_obj_in_cmd_hdr)] = {0};
1981 	uint32_t out[MLX5_ST_SZ_DW(query_virtio_q_counters_out)] = {0};
1982 	void *hdr = MLX5_ADDR_OF(query_virtio_q_counters_out, in, hdr);
1983 	void *virtio_q_counters = MLX5_ADDR_OF(query_virtio_q_counters_out, out,
1984 					       virtio_q_counters);
1985 	int ret;
1986 
1987 	MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
1988 		 MLX5_CMD_OP_QUERY_GENERAL_OBJECT);
1989 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
1990 		 MLX5_GENERAL_OBJ_TYPE_VIRTIO_Q_COUNTERS);
1991 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_id, couners_obj->id);
1992 	ret = mlx5_glue->devx_obj_query(couners_obj->obj, in, sizeof(in), out,
1993 					sizeof(out));
1994 	if (ret) {
1995 		DRV_LOG(ERR, "Failed to query virtio q counters using DevX.");
1996 		rte_errno = errno;
1997 		return -errno;
1998 	}
1999 	attr->received_desc = MLX5_GET64(virtio_q_counters, virtio_q_counters,
2000 					 received_desc);
2001 	attr->completed_desc = MLX5_GET64(virtio_q_counters, virtio_q_counters,
2002 					  completed_desc);
2003 	attr->error_cqes = MLX5_GET(virtio_q_counters, virtio_q_counters,
2004 				    error_cqes);
2005 	attr->bad_desc_errors = MLX5_GET(virtio_q_counters, virtio_q_counters,
2006 					 bad_desc_errors);
2007 	attr->exceed_max_chain = MLX5_GET(virtio_q_counters, virtio_q_counters,
2008 					  exceed_max_chain);
2009 	attr->invalid_buffer = MLX5_GET(virtio_q_counters, virtio_q_counters,
2010 					invalid_buffer);
2011 	return ret;
2012 }
2013 
2014 /**
2015  * Create general object of type FLOW_HIT_ASO using DevX API.
2016  *
2017  * @param[in] ctx
2018  *   Context returned from mlx5 open_device() glue function.
2019  * @param [in] pd
2020  *   PD value to associate the FLOW_HIT_ASO object with.
2021  *
2022  * @return
2023  *   The DevX object created, NULL otherwise and rte_errno is set.
2024  */
2025 struct mlx5_devx_obj *
2026 mlx5_devx_cmd_create_flow_hit_aso_obj(void *ctx, uint32_t pd)
2027 {
2028 	uint32_t in[MLX5_ST_SZ_DW(create_flow_hit_aso_in)] = {0};
2029 	uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0};
2030 	struct mlx5_devx_obj *flow_hit_aso_obj = NULL;
2031 	void *ptr = NULL;
2032 
2033 	flow_hit_aso_obj = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*flow_hit_aso_obj),
2034 				       0, SOCKET_ID_ANY);
2035 	if (!flow_hit_aso_obj) {
2036 		DRV_LOG(ERR, "Failed to allocate FLOW_HIT_ASO object data");
2037 		rte_errno = ENOMEM;
2038 		return NULL;
2039 	}
2040 	ptr = MLX5_ADDR_OF(create_flow_hit_aso_in, in, hdr);
2041 	MLX5_SET(general_obj_in_cmd_hdr, ptr, opcode,
2042 		 MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
2043 	MLX5_SET(general_obj_in_cmd_hdr, ptr, obj_type,
2044 		 MLX5_GENERAL_OBJ_TYPE_FLOW_HIT_ASO);
2045 	ptr = MLX5_ADDR_OF(create_flow_hit_aso_in, in, flow_hit_aso);
2046 	MLX5_SET(flow_hit_aso, ptr, access_pd, pd);
2047 	flow_hit_aso_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
2048 							   out, sizeof(out));
2049 	if (!flow_hit_aso_obj->obj) {
2050 		rte_errno = errno;
2051 		DRV_LOG(ERR, "Failed to create FLOW_HIT_ASO obj using DevX.");
2052 		mlx5_free(flow_hit_aso_obj);
2053 		return NULL;
2054 	}
2055 	flow_hit_aso_obj->id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
2056 	return flow_hit_aso_obj;
2057 }
2058 
2059 /*
2060  * Create PD using DevX API.
2061  *
2062  * @param[in] ctx
2063  *   Context returned from mlx5 open_device() glue function.
2064  *
2065  * @return
2066  *   The DevX object created, NULL otherwise and rte_errno is set.
2067  */
2068 struct mlx5_devx_obj *
2069 mlx5_devx_cmd_alloc_pd(void *ctx)
2070 {
2071 	struct mlx5_devx_obj *ppd =
2072 		mlx5_malloc(MLX5_MEM_ZERO, sizeof(*ppd), 0, SOCKET_ID_ANY);
2073 	u32 in[MLX5_ST_SZ_DW(alloc_pd_in)] = {0};
2074 	u32 out[MLX5_ST_SZ_DW(alloc_pd_out)] = {0};
2075 
2076 	if (!ppd) {
2077 		DRV_LOG(ERR, "Failed to allocate PD data.");
2078 		rte_errno = ENOMEM;
2079 		return NULL;
2080 	}
2081 	MLX5_SET(alloc_pd_in, in, opcode, MLX5_CMD_OP_ALLOC_PD);
2082 	ppd->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
2083 				out, sizeof(out));
2084 	if (!ppd->obj) {
2085 		mlx5_free(ppd);
2086 		DRV_LOG(ERR, "Failed to allocate PD Obj using DevX.");
2087 		rte_errno = errno;
2088 		return NULL;
2089 	}
2090 	ppd->id = MLX5_GET(alloc_pd_out, out, pd);
2091 	return ppd;
2092 }
2093