xref: /dpdk/drivers/common/mlx5/mlx5_devx_cmds.c (revision c062f572)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright 2018 Mellanox Technologies, Ltd
3  */
4 
5 #include <unistd.h>
6 
7 #include <rte_errno.h>
8 #include <rte_malloc.h>
9 #include <rte_eal_paging.h>
10 
11 #include "mlx5_prm.h"
12 #include "mlx5_devx_cmds.h"
13 #include "mlx5_common_log.h"
14 #include "mlx5_malloc.h"
15 
16 static void *
17 mlx5_devx_get_hca_cap(void *ctx, uint32_t *in, uint32_t *out,
18 		      int *err, uint32_t flags)
19 {
20 	const size_t size_in = MLX5_ST_SZ_DW(query_hca_cap_in) * sizeof(int);
21 	const size_t size_out = MLX5_ST_SZ_DW(query_hca_cap_out) * sizeof(int);
22 	int status, syndrome, rc;
23 
24 	if (err)
25 		*err = 0;
26 	memset(in, 0, size_in);
27 	memset(out, 0, size_out);
28 	MLX5_SET(query_hca_cap_in, in, opcode, MLX5_CMD_OP_QUERY_HCA_CAP);
29 	MLX5_SET(query_hca_cap_in, in, op_mod, flags);
30 	rc = mlx5_glue->devx_general_cmd(ctx, in, size_in, out, size_out);
31 	if (rc) {
32 		DRV_LOG(ERR,
33 			"Failed to query devx HCA capabilities func %#02x",
34 			flags >> 1);
35 		if (err)
36 			*err = rc > 0 ? -rc : rc;
37 		return NULL;
38 	}
39 	status = MLX5_GET(query_hca_cap_out, out, status);
40 	syndrome = MLX5_GET(query_hca_cap_out, out, syndrome);
41 	if (status) {
42 		DRV_LOG(ERR,
43 			"Failed to query devx HCA capabilities func %#02x status %x, syndrome = %x",
44 			flags >> 1, status, syndrome);
45 		if (err)
46 			*err = -1;
47 		return NULL;
48 	}
49 	return MLX5_ADDR_OF(query_hca_cap_out, out, capability);
50 }
51 
52 /**
53  * Perform read access to the registers. Reads data from register
54  * and writes ones to the specified buffer.
55  *
56  * @param[in] ctx
57  *   Context returned from mlx5 open_device() glue function.
58  * @param[in] reg_id
59  *   Register identifier according to the PRM.
60  * @param[in] arg
61  *   Register access auxiliary parameter according to the PRM.
62  * @param[out] data
63  *   Pointer to the buffer to store read data.
64  * @param[in] dw_cnt
65  *   Buffer size in double words.
66  *
67  * @return
68  *   0 on success, a negative value otherwise.
69  */
70 int
71 mlx5_devx_cmd_register_read(void *ctx, uint16_t reg_id, uint32_t arg,
72 			    uint32_t *data, uint32_t dw_cnt)
73 {
74 	uint32_t in[MLX5_ST_SZ_DW(access_register_in)]   = {0};
75 	uint32_t out[MLX5_ST_SZ_DW(access_register_out) +
76 		     MLX5_ACCESS_REGISTER_DATA_DWORD_MAX] = {0};
77 	int status, rc;
78 
79 	MLX5_ASSERT(data && dw_cnt);
80 	MLX5_ASSERT(dw_cnt <= MLX5_ACCESS_REGISTER_DATA_DWORD_MAX);
81 	if (dw_cnt  > MLX5_ACCESS_REGISTER_DATA_DWORD_MAX) {
82 		DRV_LOG(ERR, "Not enough  buffer for register read data");
83 		return -1;
84 	}
85 	MLX5_SET(access_register_in, in, opcode,
86 		 MLX5_CMD_OP_ACCESS_REGISTER_USER);
87 	MLX5_SET(access_register_in, in, op_mod,
88 					MLX5_ACCESS_REGISTER_IN_OP_MOD_READ);
89 	MLX5_SET(access_register_in, in, register_id, reg_id);
90 	MLX5_SET(access_register_in, in, argument, arg);
91 	rc = mlx5_glue->devx_general_cmd(ctx, in, sizeof(in), out,
92 					 MLX5_ST_SZ_BYTES(access_register_out) +
93 					 sizeof(uint32_t) * dw_cnt);
94 	if (rc)
95 		goto error;
96 	status = MLX5_GET(access_register_out, out, status);
97 	if (status) {
98 		int syndrome = MLX5_GET(access_register_out, out, syndrome);
99 
100 		DRV_LOG(DEBUG, "Failed to read access NIC register 0x%X, "
101 			       "status %x, syndrome = %x",
102 			       reg_id, status, syndrome);
103 		return -1;
104 	}
105 	memcpy(data, &out[MLX5_ST_SZ_DW(access_register_out)],
106 	       dw_cnt * sizeof(uint32_t));
107 	return 0;
108 error:
109 	rc = (rc > 0) ? -rc : rc;
110 	return rc;
111 }
112 
113 /**
114  * Perform write access to the registers.
115  *
116  * @param[in] ctx
117  *   Context returned from mlx5 open_device() glue function.
118  * @param[in] reg_id
119  *   Register identifier according to the PRM.
120  * @param[in] arg
121  *   Register access auxiliary parameter according to the PRM.
122  * @param[out] data
123  *   Pointer to the buffer containing data to write.
124  * @param[in] dw_cnt
125  *   Buffer size in double words (32bit units).
126  *
127  * @return
128  *   0 on success, a negative value otherwise.
129  */
130 int
131 mlx5_devx_cmd_register_write(void *ctx, uint16_t reg_id, uint32_t arg,
132 			     uint32_t *data, uint32_t dw_cnt)
133 {
134 	uint32_t in[MLX5_ST_SZ_DW(access_register_in) +
135 		    MLX5_ACCESS_REGISTER_DATA_DWORD_MAX] = {0};
136 	uint32_t out[MLX5_ST_SZ_DW(access_register_out)] = {0};
137 	int status, rc;
138 	void *ptr;
139 
140 	MLX5_ASSERT(data && dw_cnt);
141 	MLX5_ASSERT(dw_cnt <= MLX5_ACCESS_REGISTER_DATA_DWORD_MAX);
142 	if (dw_cnt > MLX5_ACCESS_REGISTER_DATA_DWORD_MAX) {
143 		DRV_LOG(ERR, "Data to write exceeds max size");
144 		return -1;
145 	}
146 	MLX5_SET(access_register_in, in, opcode,
147 		 MLX5_CMD_OP_ACCESS_REGISTER_USER);
148 	MLX5_SET(access_register_in, in, op_mod,
149 		 MLX5_ACCESS_REGISTER_IN_OP_MOD_WRITE);
150 	MLX5_SET(access_register_in, in, register_id, reg_id);
151 	MLX5_SET(access_register_in, in, argument, arg);
152 	ptr = MLX5_ADDR_OF(access_register_in, in, register_data);
153 	memcpy(ptr, data, dw_cnt * sizeof(uint32_t));
154 	rc = mlx5_glue->devx_general_cmd(ctx, in, sizeof(in), out, sizeof(out));
155 
156 	rc = mlx5_glue->devx_general_cmd(ctx, in,
157 					 MLX5_ST_SZ_BYTES(access_register_in) +
158 					 dw_cnt * sizeof(uint32_t),
159 					 out, sizeof(out));
160 	if (rc)
161 		goto error;
162 	status = MLX5_GET(access_register_out, out, status);
163 	if (status) {
164 		int syndrome = MLX5_GET(access_register_out, out, syndrome);
165 
166 		DRV_LOG(DEBUG, "Failed to write access NIC register 0x%X, "
167 			       "status %x, syndrome = %x",
168 			       reg_id, status, syndrome);
169 		return -1;
170 	}
171 	return 0;
172 error:
173 	rc = (rc > 0) ? -rc : rc;
174 	return rc;
175 }
176 
177 /**
178  * Allocate flow counters via devx interface.
179  *
180  * @param[in] ctx
181  *   Context returned from mlx5 open_device() glue function.
182  * @param dcs
183  *   Pointer to counters properties structure to be filled by the routine.
184  * @param bulk_n_128
185  *   Bulk counter numbers in 128 counters units.
186  *
187  * @return
188  *   Pointer to counter object on success, a negative value otherwise and
189  *   rte_errno is set.
190  */
191 struct mlx5_devx_obj *
192 mlx5_devx_cmd_flow_counter_alloc(void *ctx, uint32_t bulk_n_128)
193 {
194 	struct mlx5_devx_obj *dcs = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*dcs),
195 						0, SOCKET_ID_ANY);
196 	uint32_t in[MLX5_ST_SZ_DW(alloc_flow_counter_in)]   = {0};
197 	uint32_t out[MLX5_ST_SZ_DW(alloc_flow_counter_out)] = {0};
198 
199 	if (!dcs) {
200 		rte_errno = ENOMEM;
201 		return NULL;
202 	}
203 	MLX5_SET(alloc_flow_counter_in, in, opcode,
204 		 MLX5_CMD_OP_ALLOC_FLOW_COUNTER);
205 	MLX5_SET(alloc_flow_counter_in, in, flow_counter_bulk, bulk_n_128);
206 	dcs->obj = mlx5_glue->devx_obj_create(ctx, in,
207 					      sizeof(in), out, sizeof(out));
208 	if (!dcs->obj) {
209 		DRV_LOG(ERR, "Can't allocate counters - error %d", errno);
210 		rte_errno = errno;
211 		mlx5_free(dcs);
212 		return NULL;
213 	}
214 	dcs->id = MLX5_GET(alloc_flow_counter_out, out, flow_counter_id);
215 	return dcs;
216 }
217 
218 /**
219  * Query flow counters values.
220  *
221  * @param[in] dcs
222  *   devx object that was obtained from mlx5_devx_cmd_fc_alloc.
223  * @param[in] clear
224  *   Whether hardware should clear the counters after the query or not.
225  * @param[in] n_counters
226  *   0 in case of 1 counter to read, otherwise the counter number to read.
227  *  @param pkts
228  *   The number of packets that matched the flow.
229  *  @param bytes
230  *    The number of bytes that matched the flow.
231  *  @param mkey
232  *   The mkey key for batch query.
233  *  @param addr
234  *    The address in the mkey range for batch query.
235  *  @param cmd_comp
236  *   The completion object for asynchronous batch query.
237  *  @param async_id
238  *    The ID to be returned in the asynchronous batch query response.
239  *
240  * @return
241  *   0 on success, a negative value otherwise.
242  */
243 int
244 mlx5_devx_cmd_flow_counter_query(struct mlx5_devx_obj *dcs,
245 				 int clear, uint32_t n_counters,
246 				 uint64_t *pkts, uint64_t *bytes,
247 				 uint32_t mkey, void *addr,
248 				 void *cmd_comp,
249 				 uint64_t async_id)
250 {
251 	int out_len = MLX5_ST_SZ_BYTES(query_flow_counter_out) +
252 			MLX5_ST_SZ_BYTES(traffic_counter);
253 	uint32_t out[out_len];
254 	uint32_t in[MLX5_ST_SZ_DW(query_flow_counter_in)] = {0};
255 	void *stats;
256 	int rc;
257 
258 	MLX5_SET(query_flow_counter_in, in, opcode,
259 		 MLX5_CMD_OP_QUERY_FLOW_COUNTER);
260 	MLX5_SET(query_flow_counter_in, in, op_mod, 0);
261 	MLX5_SET(query_flow_counter_in, in, flow_counter_id, dcs->id);
262 	MLX5_SET(query_flow_counter_in, in, clear, !!clear);
263 
264 	if (n_counters) {
265 		MLX5_SET(query_flow_counter_in, in, num_of_counters,
266 			 n_counters);
267 		MLX5_SET(query_flow_counter_in, in, dump_to_memory, 1);
268 		MLX5_SET(query_flow_counter_in, in, mkey, mkey);
269 		MLX5_SET64(query_flow_counter_in, in, address,
270 			   (uint64_t)(uintptr_t)addr);
271 	}
272 	if (!cmd_comp)
273 		rc = mlx5_glue->devx_obj_query(dcs->obj, in, sizeof(in), out,
274 					       out_len);
275 	else
276 		rc = mlx5_glue->devx_obj_query_async(dcs->obj, in, sizeof(in),
277 						     out_len, async_id,
278 						     cmd_comp);
279 	if (rc) {
280 		DRV_LOG(ERR, "Failed to query devx counters with rc %d", rc);
281 		rte_errno = rc;
282 		return -rc;
283 	}
284 	if (!n_counters) {
285 		stats = MLX5_ADDR_OF(query_flow_counter_out,
286 				     out, flow_statistics);
287 		*pkts = MLX5_GET64(traffic_counter, stats, packets);
288 		*bytes = MLX5_GET64(traffic_counter, stats, octets);
289 	}
290 	return 0;
291 }
292 
293 /**
294  * Create a new mkey.
295  *
296  * @param[in] ctx
297  *   Context returned from mlx5 open_device() glue function.
298  * @param[in] attr
299  *   Attributes of the requested mkey.
300  *
301  * @return
302  *   Pointer to Devx mkey on success, a negative value otherwise and rte_errno
303  *   is set.
304  */
305 struct mlx5_devx_obj *
306 mlx5_devx_cmd_mkey_create(void *ctx,
307 			  struct mlx5_devx_mkey_attr *attr)
308 {
309 	struct mlx5_klm *klm_array = attr->klm_array;
310 	int klm_num = attr->klm_num;
311 	int in_size_dw = MLX5_ST_SZ_DW(create_mkey_in) +
312 		     (klm_num ? RTE_ALIGN(klm_num, 4) : 0) * MLX5_ST_SZ_DW(klm);
313 	uint32_t in[in_size_dw];
314 	uint32_t out[MLX5_ST_SZ_DW(create_mkey_out)] = {0};
315 	void *mkc;
316 	struct mlx5_devx_obj *mkey = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*mkey),
317 						 0, SOCKET_ID_ANY);
318 	size_t pgsize;
319 	uint32_t translation_size;
320 
321 	if (!mkey) {
322 		rte_errno = ENOMEM;
323 		return NULL;
324 	}
325 	memset(in, 0, in_size_dw * 4);
326 	pgsize = rte_mem_page_size();
327 	if (pgsize == (size_t)-1) {
328 		mlx5_free(mkey);
329 		DRV_LOG(ERR, "Failed to get page size");
330 		rte_errno = ENOMEM;
331 		return NULL;
332 	}
333 	MLX5_SET(create_mkey_in, in, opcode, MLX5_CMD_OP_CREATE_MKEY);
334 	mkc = MLX5_ADDR_OF(create_mkey_in, in, memory_key_mkey_entry);
335 	if (klm_num > 0) {
336 		int i;
337 		uint8_t *klm = (uint8_t *)MLX5_ADDR_OF(create_mkey_in, in,
338 						       klm_pas_mtt);
339 		translation_size = RTE_ALIGN(klm_num, 4);
340 		for (i = 0; i < klm_num; i++) {
341 			MLX5_SET(klm, klm, byte_count, klm_array[i].byte_count);
342 			MLX5_SET(klm, klm, mkey, klm_array[i].mkey);
343 			MLX5_SET64(klm, klm, address, klm_array[i].address);
344 			klm += MLX5_ST_SZ_BYTES(klm);
345 		}
346 		for (; i < (int)translation_size; i++) {
347 			MLX5_SET(klm, klm, mkey, 0x0);
348 			MLX5_SET64(klm, klm, address, 0x0);
349 			klm += MLX5_ST_SZ_BYTES(klm);
350 		}
351 		MLX5_SET(mkc, mkc, access_mode_1_0, attr->log_entity_size ?
352 			 MLX5_MKC_ACCESS_MODE_KLM_FBS :
353 			 MLX5_MKC_ACCESS_MODE_KLM);
354 		MLX5_SET(mkc, mkc, log_page_size, attr->log_entity_size);
355 	} else {
356 		translation_size = (RTE_ALIGN(attr->size, pgsize) * 8) / 16;
357 		MLX5_SET(mkc, mkc, access_mode_1_0, MLX5_MKC_ACCESS_MODE_MTT);
358 		MLX5_SET(mkc, mkc, log_page_size, rte_log2_u32(pgsize));
359 	}
360 	MLX5_SET(create_mkey_in, in, translations_octword_actual_size,
361 		 translation_size);
362 	MLX5_SET(create_mkey_in, in, mkey_umem_id, attr->umem_id);
363 	MLX5_SET(create_mkey_in, in, pg_access, attr->pg_access);
364 	MLX5_SET(mkc, mkc, lw, 0x1);
365 	MLX5_SET(mkc, mkc, lr, 0x1);
366 	if (attr->set_remote_rw) {
367 		MLX5_SET(mkc, mkc, rw, 0x1);
368 		MLX5_SET(mkc, mkc, rr, 0x1);
369 	}
370 	MLX5_SET(mkc, mkc, qpn, 0xffffff);
371 	MLX5_SET(mkc, mkc, pd, attr->pd);
372 	MLX5_SET(mkc, mkc, mkey_7_0, attr->umem_id & 0xFF);
373 	MLX5_SET(mkc, mkc, umr_en, attr->umr_en);
374 	MLX5_SET(mkc, mkc, translations_octword_size, translation_size);
375 	MLX5_SET(mkc, mkc, relaxed_ordering_write,
376 		 attr->relaxed_ordering_write);
377 	MLX5_SET(mkc, mkc, relaxed_ordering_read, attr->relaxed_ordering_read);
378 	MLX5_SET64(mkc, mkc, start_addr, attr->addr);
379 	MLX5_SET64(mkc, mkc, len, attr->size);
380 	MLX5_SET(mkc, mkc, crypto_en, attr->crypto_en);
381 	if (attr->crypto_en) {
382 		MLX5_SET(mkc, mkc, bsf_en, attr->crypto_en);
383 		MLX5_SET(mkc, mkc, bsf_octword_size, 4);
384 	}
385 	mkey->obj = mlx5_glue->devx_obj_create(ctx, in, in_size_dw * 4, out,
386 					       sizeof(out));
387 	if (!mkey->obj) {
388 		DRV_LOG(ERR, "Can't create %sdirect mkey - error %d",
389 			klm_num ? "an in" : "a ", errno);
390 		rte_errno = errno;
391 		mlx5_free(mkey);
392 		return NULL;
393 	}
394 	mkey->id = MLX5_GET(create_mkey_out, out, mkey_index);
395 	mkey->id = (mkey->id << 8) | (attr->umem_id & 0xFF);
396 	return mkey;
397 }
398 
399 /**
400  * Get status of devx command response.
401  * Mainly used for asynchronous commands.
402  *
403  * @param[in] out
404  *   The out response buffer.
405  *
406  * @return
407  *   0 on success, non-zero value otherwise.
408  */
409 int
410 mlx5_devx_get_out_command_status(void *out)
411 {
412 	int status;
413 
414 	if (!out)
415 		return -EINVAL;
416 	status = MLX5_GET(query_flow_counter_out, out, status);
417 	if (status) {
418 		int syndrome = MLX5_GET(query_flow_counter_out, out, syndrome);
419 
420 		DRV_LOG(ERR, "Bad DevX status %x, syndrome = %x", status,
421 			syndrome);
422 	}
423 	return status;
424 }
425 
426 /**
427  * Destroy any object allocated by a Devx API.
428  *
429  * @param[in] obj
430  *   Pointer to a general object.
431  *
432  * @return
433  *   0 on success, a negative value otherwise.
434  */
435 int
436 mlx5_devx_cmd_destroy(struct mlx5_devx_obj *obj)
437 {
438 	int ret;
439 
440 	if (!obj)
441 		return 0;
442 	ret =  mlx5_glue->devx_obj_destroy(obj->obj);
443 	mlx5_free(obj);
444 	return ret;
445 }
446 
447 /**
448  * Query NIC vport context.
449  * Fills minimal inline attribute.
450  *
451  * @param[in] ctx
452  *   ibv contexts returned from mlx5dv_open_device.
453  * @param[in] vport
454  *   vport index
455  * @param[out] attr
456  *   Attributes device values.
457  *
458  * @return
459  *   0 on success, a negative value otherwise.
460  */
461 static int
462 mlx5_devx_cmd_query_nic_vport_context(void *ctx,
463 				      unsigned int vport,
464 				      struct mlx5_hca_attr *attr)
465 {
466 	uint32_t in[MLX5_ST_SZ_DW(query_nic_vport_context_in)] = {0};
467 	uint32_t out[MLX5_ST_SZ_DW(query_nic_vport_context_out)] = {0};
468 	void *vctx;
469 	int status, syndrome, rc;
470 
471 	/* Query NIC vport context to determine inline mode. */
472 	MLX5_SET(query_nic_vport_context_in, in, opcode,
473 		 MLX5_CMD_OP_QUERY_NIC_VPORT_CONTEXT);
474 	MLX5_SET(query_nic_vport_context_in, in, vport_number, vport);
475 	if (vport)
476 		MLX5_SET(query_nic_vport_context_in, in, other_vport, 1);
477 	rc = mlx5_glue->devx_general_cmd(ctx,
478 					 in, sizeof(in),
479 					 out, sizeof(out));
480 	if (rc)
481 		goto error;
482 	status = MLX5_GET(query_nic_vport_context_out, out, status);
483 	syndrome = MLX5_GET(query_nic_vport_context_out, out, syndrome);
484 	if (status) {
485 		DRV_LOG(DEBUG, "Failed to query NIC vport context, "
486 			"status %x, syndrome = %x", status, syndrome);
487 		return -1;
488 	}
489 	vctx = MLX5_ADDR_OF(query_nic_vport_context_out, out,
490 			    nic_vport_context);
491 	attr->vport_inline_mode = MLX5_GET(nic_vport_context, vctx,
492 					   min_wqe_inline_mode);
493 	return 0;
494 error:
495 	rc = (rc > 0) ? -rc : rc;
496 	return rc;
497 }
498 
499 /**
500  * Query NIC vDPA attributes.
501  *
502  * @param[in] ctx
503  *   Context returned from mlx5 open_device() glue function.
504  * @param[out] vdpa_attr
505  *   vDPA Attributes structure to fill.
506  */
507 static void
508 mlx5_devx_cmd_query_hca_vdpa_attr(void *ctx,
509 				  struct mlx5_hca_vdpa_attr *vdpa_attr)
510 {
511 	uint32_t in[MLX5_ST_SZ_DW(query_hca_cap_in)];
512 	uint32_t out[MLX5_ST_SZ_DW(query_hca_cap_out)];
513 	void *hcattr;
514 
515 	hcattr = mlx5_devx_get_hca_cap(ctx, in, out, NULL,
516 			MLX5_GET_HCA_CAP_OP_MOD_VDPA_EMULATION |
517 			MLX5_HCA_CAP_OPMOD_GET_CUR);
518 	if (!hcattr) {
519 		RTE_LOG(DEBUG, PMD, "Failed to query devx VDPA capabilities");
520 		vdpa_attr->valid = 0;
521 	} else {
522 		vdpa_attr->valid = 1;
523 		vdpa_attr->desc_tunnel_offload_type =
524 			MLX5_GET(virtio_emulation_cap, hcattr,
525 				 desc_tunnel_offload_type);
526 		vdpa_attr->eth_frame_offload_type =
527 			MLX5_GET(virtio_emulation_cap, hcattr,
528 				 eth_frame_offload_type);
529 		vdpa_attr->virtio_version_1_0 =
530 			MLX5_GET(virtio_emulation_cap, hcattr,
531 				 virtio_version_1_0);
532 		vdpa_attr->tso_ipv4 = MLX5_GET(virtio_emulation_cap, hcattr,
533 					       tso_ipv4);
534 		vdpa_attr->tso_ipv6 = MLX5_GET(virtio_emulation_cap, hcattr,
535 					       tso_ipv6);
536 		vdpa_attr->tx_csum = MLX5_GET(virtio_emulation_cap, hcattr,
537 					      tx_csum);
538 		vdpa_attr->rx_csum = MLX5_GET(virtio_emulation_cap, hcattr,
539 					      rx_csum);
540 		vdpa_attr->event_mode = MLX5_GET(virtio_emulation_cap, hcattr,
541 						 event_mode);
542 		vdpa_attr->virtio_queue_type =
543 			MLX5_GET(virtio_emulation_cap, hcattr,
544 				 virtio_queue_type);
545 		vdpa_attr->log_doorbell_stride =
546 			MLX5_GET(virtio_emulation_cap, hcattr,
547 				 log_doorbell_stride);
548 		vdpa_attr->log_doorbell_bar_size =
549 			MLX5_GET(virtio_emulation_cap, hcattr,
550 				 log_doorbell_bar_size);
551 		vdpa_attr->doorbell_bar_offset =
552 			MLX5_GET64(virtio_emulation_cap, hcattr,
553 				   doorbell_bar_offset);
554 		vdpa_attr->max_num_virtio_queues =
555 			MLX5_GET(virtio_emulation_cap, hcattr,
556 				 max_num_virtio_queues);
557 		vdpa_attr->umems[0].a = MLX5_GET(virtio_emulation_cap, hcattr,
558 						 umem_1_buffer_param_a);
559 		vdpa_attr->umems[0].b = MLX5_GET(virtio_emulation_cap, hcattr,
560 						 umem_1_buffer_param_b);
561 		vdpa_attr->umems[1].a = MLX5_GET(virtio_emulation_cap, hcattr,
562 						 umem_2_buffer_param_a);
563 		vdpa_attr->umems[1].b = MLX5_GET(virtio_emulation_cap, hcattr,
564 						 umem_2_buffer_param_b);
565 		vdpa_attr->umems[2].a = MLX5_GET(virtio_emulation_cap, hcattr,
566 						 umem_3_buffer_param_a);
567 		vdpa_attr->umems[2].b = MLX5_GET(virtio_emulation_cap, hcattr,
568 						 umem_3_buffer_param_b);
569 	}
570 }
571 
572 int
573 mlx5_devx_cmd_query_parse_samples(struct mlx5_devx_obj *flex_obj,
574 				  uint32_t ids[], uint32_t num)
575 {
576 	uint32_t in[MLX5_ST_SZ_DW(general_obj_in_cmd_hdr)] = {0};
577 	uint32_t out[MLX5_ST_SZ_DW(create_flex_parser_out)] = {0};
578 	void *hdr = MLX5_ADDR_OF(create_flex_parser_out, in, hdr);
579 	void *flex = MLX5_ADDR_OF(create_flex_parser_out, out, flex);
580 	void *sample = MLX5_ADDR_OF(parse_graph_flex, flex, sample_table);
581 	int ret;
582 	uint32_t idx = 0;
583 	uint32_t i;
584 
585 	if (num > MLX5_GRAPH_NODE_SAMPLE_NUM) {
586 		rte_errno = EINVAL;
587 		DRV_LOG(ERR, "Too many sample IDs to be fetched.");
588 		return -rte_errno;
589 	}
590 	MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
591 		 MLX5_CMD_OP_QUERY_GENERAL_OBJECT);
592 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
593 		 MLX5_GENERAL_OBJ_TYPE_FLEX_PARSE_GRAPH);
594 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_id, flex_obj->id);
595 	ret = mlx5_glue->devx_obj_query(flex_obj->obj, in, sizeof(in),
596 					out, sizeof(out));
597 	if (ret) {
598 		rte_errno = ret;
599 		DRV_LOG(ERR, "Failed to query sample IDs with object %p.",
600 			(void *)flex_obj);
601 		return -rte_errno;
602 	}
603 	for (i = 0; i < MLX5_GRAPH_NODE_SAMPLE_NUM; i++) {
604 		void *s_off = (void *)((char *)sample + i *
605 			      MLX5_ST_SZ_BYTES(parse_graph_flow_match_sample));
606 		uint32_t en;
607 
608 		en = MLX5_GET(parse_graph_flow_match_sample, s_off,
609 			      flow_match_sample_en);
610 		if (!en)
611 			continue;
612 		ids[idx++] = MLX5_GET(parse_graph_flow_match_sample, s_off,
613 				  flow_match_sample_field_id);
614 	}
615 	if (num != idx) {
616 		rte_errno = EINVAL;
617 		DRV_LOG(ERR, "Number of sample IDs are not as expected.");
618 		return -rte_errno;
619 	}
620 	return ret;
621 }
622 
623 struct mlx5_devx_obj *
624 mlx5_devx_cmd_create_flex_parser(void *ctx,
625 				 struct mlx5_devx_graph_node_attr *data)
626 {
627 	uint32_t in[MLX5_ST_SZ_DW(create_flex_parser_in)] = {0};
628 	uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0};
629 	void *hdr = MLX5_ADDR_OF(create_flex_parser_in, in, hdr);
630 	void *flex = MLX5_ADDR_OF(create_flex_parser_in, in, flex);
631 	void *sample = MLX5_ADDR_OF(parse_graph_flex, flex, sample_table);
632 	void *in_arc = MLX5_ADDR_OF(parse_graph_flex, flex, input_arc);
633 	void *out_arc = MLX5_ADDR_OF(parse_graph_flex, flex, output_arc);
634 	struct mlx5_devx_obj *parse_flex_obj = mlx5_malloc
635 		     (MLX5_MEM_ZERO, sizeof(*parse_flex_obj), 0, SOCKET_ID_ANY);
636 	uint32_t i;
637 
638 	if (!parse_flex_obj) {
639 		DRV_LOG(ERR, "Failed to allocate flex parser data.");
640 		rte_errno = ENOMEM;
641 		return NULL;
642 	}
643 	MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
644 		 MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
645 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
646 		 MLX5_GENERAL_OBJ_TYPE_FLEX_PARSE_GRAPH);
647 	MLX5_SET(parse_graph_flex, flex, header_length_mode,
648 		 data->header_length_mode);
649 	MLX5_SET64(parse_graph_flex, flex, modify_field_select,
650 		   data->modify_field_select);
651 	MLX5_SET(parse_graph_flex, flex, header_length_base_value,
652 		 data->header_length_base_value);
653 	MLX5_SET(parse_graph_flex, flex, header_length_field_offset,
654 		 data->header_length_field_offset);
655 	MLX5_SET(parse_graph_flex, flex, header_length_field_shift,
656 		 data->header_length_field_shift);
657 	MLX5_SET(parse_graph_flex, flex, next_header_field_offset,
658 		 data->next_header_field_offset);
659 	MLX5_SET(parse_graph_flex, flex, next_header_field_size,
660 		 data->next_header_field_size);
661 	MLX5_SET(parse_graph_flex, flex, header_length_field_mask,
662 		 data->header_length_field_mask);
663 	for (i = 0; i < MLX5_GRAPH_NODE_SAMPLE_NUM; i++) {
664 		struct mlx5_devx_match_sample_attr *s = &data->sample[i];
665 		void *s_off = (void *)((char *)sample + i *
666 			      MLX5_ST_SZ_BYTES(parse_graph_flow_match_sample));
667 
668 		if (!s->flow_match_sample_en)
669 			continue;
670 		MLX5_SET(parse_graph_flow_match_sample, s_off,
671 			 flow_match_sample_en, !!s->flow_match_sample_en);
672 		MLX5_SET(parse_graph_flow_match_sample, s_off,
673 			 flow_match_sample_field_offset,
674 			 s->flow_match_sample_field_offset);
675 		MLX5_SET(parse_graph_flow_match_sample, s_off,
676 			 flow_match_sample_offset_mode,
677 			 s->flow_match_sample_offset_mode);
678 		MLX5_SET(parse_graph_flow_match_sample, s_off,
679 			 flow_match_sample_field_offset_mask,
680 			 s->flow_match_sample_field_offset_mask);
681 		MLX5_SET(parse_graph_flow_match_sample, s_off,
682 			 flow_match_sample_field_offset_shift,
683 			 s->flow_match_sample_field_offset_shift);
684 		MLX5_SET(parse_graph_flow_match_sample, s_off,
685 			 flow_match_sample_field_base_offset,
686 			 s->flow_match_sample_field_base_offset);
687 		MLX5_SET(parse_graph_flow_match_sample, s_off,
688 			 flow_match_sample_tunnel_mode,
689 			 s->flow_match_sample_tunnel_mode);
690 	}
691 	for (i = 0; i < MLX5_GRAPH_NODE_ARC_NUM; i++) {
692 		struct mlx5_devx_graph_arc_attr *ia = &data->in[i];
693 		struct mlx5_devx_graph_arc_attr *oa = &data->out[i];
694 		void *in_off = (void *)((char *)in_arc + i *
695 			      MLX5_ST_SZ_BYTES(parse_graph_arc));
696 		void *out_off = (void *)((char *)out_arc + i *
697 			      MLX5_ST_SZ_BYTES(parse_graph_arc));
698 
699 		if (ia->arc_parse_graph_node != 0) {
700 			MLX5_SET(parse_graph_arc, in_off,
701 				 compare_condition_value,
702 				 ia->compare_condition_value);
703 			MLX5_SET(parse_graph_arc, in_off, start_inner_tunnel,
704 				 ia->start_inner_tunnel);
705 			MLX5_SET(parse_graph_arc, in_off, arc_parse_graph_node,
706 				 ia->arc_parse_graph_node);
707 			MLX5_SET(parse_graph_arc, in_off,
708 				 parse_graph_node_handle,
709 				 ia->parse_graph_node_handle);
710 		}
711 		if (oa->arc_parse_graph_node != 0) {
712 			MLX5_SET(parse_graph_arc, out_off,
713 				 compare_condition_value,
714 				 oa->compare_condition_value);
715 			MLX5_SET(parse_graph_arc, out_off, start_inner_tunnel,
716 				 oa->start_inner_tunnel);
717 			MLX5_SET(parse_graph_arc, out_off, arc_parse_graph_node,
718 				 oa->arc_parse_graph_node);
719 			MLX5_SET(parse_graph_arc, out_off,
720 				 parse_graph_node_handle,
721 				 oa->parse_graph_node_handle);
722 		}
723 	}
724 	parse_flex_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
725 							 out, sizeof(out));
726 	if (!parse_flex_obj->obj) {
727 		rte_errno = errno;
728 		DRV_LOG(ERR, "Failed to create FLEX PARSE GRAPH object "
729 			"by using DevX.");
730 		mlx5_free(parse_flex_obj);
731 		return NULL;
732 	}
733 	parse_flex_obj->id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
734 	return parse_flex_obj;
735 }
736 
737 static int
738 mlx5_devx_cmd_query_hca_parse_graph_node_cap
739 	(void *ctx, struct mlx5_hca_flex_attr *attr)
740 {
741 	uint32_t in[MLX5_ST_SZ_DW(query_hca_cap_in)];
742 	uint32_t out[MLX5_ST_SZ_DW(query_hca_cap_out)];
743 	void *hcattr;
744 	int rc;
745 
746 	hcattr = mlx5_devx_get_hca_cap(ctx, in, out, &rc,
747 			MLX5_GET_HCA_CAP_OP_MOD_PARSE_GRAPH_NODE_CAP |
748 			MLX5_HCA_CAP_OPMOD_GET_CUR);
749 	if (!hcattr)
750 		return rc;
751 	attr->node_in = MLX5_GET(parse_graph_node_cap, hcattr, node_in);
752 	attr->node_out = MLX5_GET(parse_graph_node_cap, hcattr, node_out);
753 	attr->header_length_mode = MLX5_GET(parse_graph_node_cap, hcattr,
754 					    header_length_mode);
755 	attr->sample_offset_mode = MLX5_GET(parse_graph_node_cap, hcattr,
756 					    sample_offset_mode);
757 	attr->max_num_arc_in = MLX5_GET(parse_graph_node_cap, hcattr,
758 					max_num_arc_in);
759 	attr->max_num_arc_out = MLX5_GET(parse_graph_node_cap, hcattr,
760 					 max_num_arc_out);
761 	attr->max_num_sample = MLX5_GET(parse_graph_node_cap, hcattr,
762 					max_num_sample);
763 	attr->sample_id_in_out = MLX5_GET(parse_graph_node_cap, hcattr,
764 					  sample_id_in_out);
765 	attr->max_base_header_length = MLX5_GET(parse_graph_node_cap, hcattr,
766 						max_base_header_length);
767 	attr->max_sample_base_offset = MLX5_GET(parse_graph_node_cap, hcattr,
768 						max_sample_base_offset);
769 	attr->max_next_header_offset = MLX5_GET(parse_graph_node_cap, hcattr,
770 						max_next_header_offset);
771 	attr->header_length_mask_width = MLX5_GET(parse_graph_node_cap, hcattr,
772 						  header_length_mask_width);
773 	/* Get the max supported samples from HCA CAP 2 */
774 	hcattr = mlx5_devx_get_hca_cap(ctx, in, out, &rc,
775 			MLX5_GET_HCA_CAP_OP_MOD_GENERAL_DEVICE_2 |
776 			MLX5_HCA_CAP_OPMOD_GET_CUR);
777 	if (!hcattr)
778 		return rc;
779 	attr->max_num_prog_sample =
780 		MLX5_GET(cmd_hca_cap_2, hcattr,	max_num_prog_sample_field);
781 	return 0;
782 }
783 
784 static int
785 mlx5_devx_query_pkt_integrity_match(void *hcattr)
786 {
787 	return MLX5_GET(flow_table_nic_cap, hcattr,
788 			ft_field_support_2_nic_receive.inner_l3_ok) &&
789 	       MLX5_GET(flow_table_nic_cap, hcattr,
790 			ft_field_support_2_nic_receive.inner_l4_ok) &&
791 	       MLX5_GET(flow_table_nic_cap, hcattr,
792 			ft_field_support_2_nic_receive.outer_l3_ok) &&
793 	       MLX5_GET(flow_table_nic_cap, hcattr,
794 			ft_field_support_2_nic_receive.outer_l4_ok) &&
795 	       MLX5_GET(flow_table_nic_cap, hcattr,
796 			ft_field_support_2_nic_receive
797 				.inner_ipv4_checksum_ok) &&
798 	       MLX5_GET(flow_table_nic_cap, hcattr,
799 			ft_field_support_2_nic_receive.inner_l4_checksum_ok) &&
800 	       MLX5_GET(flow_table_nic_cap, hcattr,
801 			ft_field_support_2_nic_receive
802 				.outer_ipv4_checksum_ok) &&
803 	       MLX5_GET(flow_table_nic_cap, hcattr,
804 			ft_field_support_2_nic_receive.outer_l4_checksum_ok);
805 }
806 
807 /**
808  * Query HCA attributes.
809  * Using those attributes we can check on run time if the device
810  * is having the required capabilities.
811  *
812  * @param[in] ctx
813  *   Context returned from mlx5 open_device() glue function.
814  * @param[out] attr
815  *   Attributes device values.
816  *
817  * @return
818  *   0 on success, a negative value otherwise.
819  */
820 int
821 mlx5_devx_cmd_query_hca_attr(void *ctx,
822 			     struct mlx5_hca_attr *attr)
823 {
824 	uint32_t in[MLX5_ST_SZ_DW(query_hca_cap_in)] = {0};
825 	uint32_t out[MLX5_ST_SZ_DW(query_hca_cap_out)] = {0};
826 	bool hca_cap_2_sup;
827 	uint64_t general_obj_types_supported = 0;
828 	void *hcattr;
829 	int rc, i;
830 
831 	hcattr = mlx5_devx_get_hca_cap(ctx, in, out, &rc,
832 			MLX5_GET_HCA_CAP_OP_MOD_GENERAL_DEVICE |
833 			MLX5_HCA_CAP_OPMOD_GET_CUR);
834 	if (!hcattr)
835 		return rc;
836 	hca_cap_2_sup = MLX5_GET(cmd_hca_cap, hcattr, hca_cap_2);
837 	attr->max_wqe_sz_sq = MLX5_GET(cmd_hca_cap, hcattr, max_wqe_sz_sq);
838 	attr->flow_counter_bulk_alloc_bitmap =
839 			MLX5_GET(cmd_hca_cap, hcattr, flow_counter_bulk_alloc);
840 	attr->flow_counters_dump = MLX5_GET(cmd_hca_cap, hcattr,
841 					    flow_counters_dump);
842 	attr->log_max_rmp = MLX5_GET(cmd_hca_cap, hcattr, log_max_rmp);
843 	attr->mem_rq_rmp = MLX5_GET(cmd_hca_cap, hcattr, mem_rq_rmp);
844 	attr->log_max_rqt_size = MLX5_GET(cmd_hca_cap, hcattr,
845 					  log_max_rqt_size);
846 	attr->eswitch_manager = MLX5_GET(cmd_hca_cap, hcattr, eswitch_manager);
847 	attr->hairpin = MLX5_GET(cmd_hca_cap, hcattr, hairpin);
848 	attr->log_max_hairpin_queues = MLX5_GET(cmd_hca_cap, hcattr,
849 						log_max_hairpin_queues);
850 	attr->log_max_hairpin_wq_data_sz = MLX5_GET(cmd_hca_cap, hcattr,
851 						    log_max_hairpin_wq_data_sz);
852 	attr->log_max_hairpin_num_packets = MLX5_GET
853 		(cmd_hca_cap, hcattr, log_min_hairpin_wq_data_sz);
854 	attr->vhca_id = MLX5_GET(cmd_hca_cap, hcattr, vhca_id);
855 	attr->relaxed_ordering_write = MLX5_GET(cmd_hca_cap, hcattr,
856 						relaxed_ordering_write);
857 	attr->relaxed_ordering_read = MLX5_GET(cmd_hca_cap, hcattr,
858 					       relaxed_ordering_read);
859 	attr->access_register_user = MLX5_GET(cmd_hca_cap, hcattr,
860 					      access_register_user);
861 	attr->eth_net_offloads = MLX5_GET(cmd_hca_cap, hcattr,
862 					  eth_net_offloads);
863 	attr->eth_virt = MLX5_GET(cmd_hca_cap, hcattr, eth_virt);
864 	attr->flex_parser_protocols = MLX5_GET(cmd_hca_cap, hcattr,
865 					       flex_parser_protocols);
866 	attr->max_geneve_tlv_options = MLX5_GET(cmd_hca_cap, hcattr,
867 			max_geneve_tlv_options);
868 	attr->max_geneve_tlv_option_data_len = MLX5_GET(cmd_hca_cap, hcattr,
869 			max_geneve_tlv_option_data_len);
870 	attr->qos.sup = MLX5_GET(cmd_hca_cap, hcattr, qos);
871 	attr->qos.flow_meter_aso_sup = !!(MLX5_GET64(cmd_hca_cap, hcattr,
872 					 general_obj_types) &
873 			      MLX5_GENERAL_OBJ_TYPES_CAP_FLOW_METER_ASO);
874 	attr->vdpa.valid = !!(MLX5_GET64(cmd_hca_cap, hcattr,
875 					 general_obj_types) &
876 			      MLX5_GENERAL_OBJ_TYPES_CAP_VIRTQ_NET_Q);
877 	attr->vdpa.queue_counters_valid = !!(MLX5_GET64(cmd_hca_cap, hcattr,
878 							general_obj_types) &
879 				  MLX5_GENERAL_OBJ_TYPES_CAP_VIRTIO_Q_COUNTERS);
880 	attr->parse_graph_flex_node = !!(MLX5_GET64(cmd_hca_cap, hcattr,
881 					 general_obj_types) &
882 			      MLX5_GENERAL_OBJ_TYPES_CAP_PARSE_GRAPH_FLEX_NODE);
883 	attr->wqe_index_ignore = MLX5_GET(cmd_hca_cap, hcattr,
884 					  wqe_index_ignore_cap);
885 	attr->cross_channel = MLX5_GET(cmd_hca_cap, hcattr, cd);
886 	attr->non_wire_sq = MLX5_GET(cmd_hca_cap, hcattr, non_wire_sq);
887 	attr->log_max_static_sq_wq = MLX5_GET(cmd_hca_cap, hcattr,
888 					      log_max_static_sq_wq);
889 	attr->num_lag_ports = MLX5_GET(cmd_hca_cap, hcattr, num_lag_ports);
890 	attr->dev_freq_khz = MLX5_GET(cmd_hca_cap, hcattr,
891 				      device_frequency_khz);
892 	attr->scatter_fcs_w_decap_disable =
893 		MLX5_GET(cmd_hca_cap, hcattr, scatter_fcs_w_decap_disable);
894 	attr->roce = MLX5_GET(cmd_hca_cap, hcattr, roce);
895 	attr->rq_ts_format = MLX5_GET(cmd_hca_cap, hcattr, rq_ts_format);
896 	attr->sq_ts_format = MLX5_GET(cmd_hca_cap, hcattr, sq_ts_format);
897 	attr->steering_format_version =
898 		MLX5_GET(cmd_hca_cap, hcattr, steering_format_version);
899 	attr->regexp_params = MLX5_GET(cmd_hca_cap, hcattr, regexp_params);
900 	attr->regexp_version = MLX5_GET(cmd_hca_cap, hcattr, regexp_version);
901 	attr->regexp_num_of_engines = MLX5_GET(cmd_hca_cap, hcattr,
902 					       regexp_num_of_engines);
903 	/* Read the general_obj_types bitmap and extract the relevant bits. */
904 	general_obj_types_supported = MLX5_GET64(cmd_hca_cap, hcattr,
905 						 general_obj_types);
906 	attr->vdpa.valid = !!(general_obj_types_supported &
907 			      MLX5_GENERAL_OBJ_TYPES_CAP_VIRTQ_NET_Q);
908 	attr->vdpa.queue_counters_valid =
909 			!!(general_obj_types_supported &
910 			   MLX5_GENERAL_OBJ_TYPES_CAP_VIRTIO_Q_COUNTERS);
911 	attr->parse_graph_flex_node =
912 			!!(general_obj_types_supported &
913 			   MLX5_GENERAL_OBJ_TYPES_CAP_PARSE_GRAPH_FLEX_NODE);
914 	attr->flow_hit_aso = !!(general_obj_types_supported &
915 				MLX5_GENERAL_OBJ_TYPES_CAP_FLOW_HIT_ASO);
916 	attr->geneve_tlv_opt = !!(general_obj_types_supported &
917 				  MLX5_GENERAL_OBJ_TYPES_CAP_GENEVE_TLV_OPT);
918 	attr->dek = !!(general_obj_types_supported &
919 		       MLX5_GENERAL_OBJ_TYPES_CAP_DEK);
920 	attr->import_kek = !!(general_obj_types_supported &
921 			      MLX5_GENERAL_OBJ_TYPES_CAP_IMPORT_KEK);
922 	attr->credential = !!(general_obj_types_supported &
923 			      MLX5_GENERAL_OBJ_TYPES_CAP_CREDENTIAL);
924 	attr->crypto_login = !!(general_obj_types_supported &
925 				MLX5_GENERAL_OBJ_TYPES_CAP_CRYPTO_LOGIN);
926 	/* Add reading of other GENERAL_OBJ_TYPES_CAP bits above this line. */
927 	attr->log_max_cq = MLX5_GET(cmd_hca_cap, hcattr, log_max_cq);
928 	attr->log_max_qp = MLX5_GET(cmd_hca_cap, hcattr, log_max_qp);
929 	attr->log_max_cq_sz = MLX5_GET(cmd_hca_cap, hcattr, log_max_cq_sz);
930 	attr->log_max_qp_sz = MLX5_GET(cmd_hca_cap, hcattr, log_max_qp_sz);
931 	attr->log_max_mrw_sz = MLX5_GET(cmd_hca_cap, hcattr, log_max_mrw_sz);
932 	attr->log_max_pd = MLX5_GET(cmd_hca_cap, hcattr, log_max_pd);
933 	attr->log_max_srq = MLX5_GET(cmd_hca_cap, hcattr, log_max_srq);
934 	attr->log_max_srq_sz = MLX5_GET(cmd_hca_cap, hcattr, log_max_srq_sz);
935 	attr->reg_c_preserve =
936 		MLX5_GET(cmd_hca_cap, hcattr, reg_c_preserve);
937 	attr->mmo_regex_qp_en = MLX5_GET(cmd_hca_cap, hcattr, regexp_mmo_qp);
938 	attr->mmo_regex_sq_en = MLX5_GET(cmd_hca_cap, hcattr, regexp_mmo_sq);
939 	attr->mmo_dma_sq_en = MLX5_GET(cmd_hca_cap, hcattr, dma_mmo_sq);
940 	attr->mmo_compress_sq_en = MLX5_GET(cmd_hca_cap, hcattr,
941 			compress_mmo_sq);
942 	attr->mmo_decompress_sq_en = MLX5_GET(cmd_hca_cap, hcattr,
943 			decompress_mmo_sq);
944 	attr->mmo_dma_qp_en = MLX5_GET(cmd_hca_cap, hcattr, dma_mmo_qp);
945 	attr->mmo_compress_qp_en = MLX5_GET(cmd_hca_cap, hcattr,
946 			compress_mmo_qp);
947 	attr->mmo_decompress_qp_en = MLX5_GET(cmd_hca_cap, hcattr,
948 			decompress_mmo_qp);
949 	attr->compress_min_block_size = MLX5_GET(cmd_hca_cap, hcattr,
950 						 compress_min_block_size);
951 	attr->log_max_mmo_dma = MLX5_GET(cmd_hca_cap, hcattr, log_dma_mmo_size);
952 	attr->log_max_mmo_compress = MLX5_GET(cmd_hca_cap, hcattr,
953 					      log_compress_mmo_size);
954 	attr->log_max_mmo_decompress = MLX5_GET(cmd_hca_cap, hcattr,
955 						log_decompress_mmo_size);
956 	attr->cqe_compression = MLX5_GET(cmd_hca_cap, hcattr, cqe_compression);
957 	attr->mini_cqe_resp_flow_tag = MLX5_GET(cmd_hca_cap, hcattr,
958 						mini_cqe_resp_flow_tag);
959 	attr->mini_cqe_resp_l3_l4_tag = MLX5_GET(cmd_hca_cap, hcattr,
960 						 mini_cqe_resp_l3_l4_tag);
961 	attr->umr_indirect_mkey_disabled =
962 		MLX5_GET(cmd_hca_cap, hcattr, umr_indirect_mkey_disabled);
963 	attr->umr_modify_entity_size_disabled =
964 		MLX5_GET(cmd_hca_cap, hcattr, umr_modify_entity_size_disabled);
965 	attr->wait_on_time = MLX5_GET(cmd_hca_cap, hcattr, wait_on_time);
966 	attr->crypto = MLX5_GET(cmd_hca_cap, hcattr, crypto);
967 	if (attr->crypto)
968 		attr->aes_xts = MLX5_GET(cmd_hca_cap, hcattr, aes_xts);
969 	attr->ct_offload = !!(MLX5_GET64(cmd_hca_cap, hcattr,
970 					 general_obj_types) &
971 			      MLX5_GENERAL_OBJ_TYPES_CAP_CONN_TRACK_OFFLOAD);
972 	attr->rq_delay_drop = MLX5_GET(cmd_hca_cap, hcattr, rq_delay_drop);
973 	if (hca_cap_2_sup) {
974 		hcattr = mlx5_devx_get_hca_cap(ctx, in, out, &rc,
975 				MLX5_GET_HCA_CAP_OP_MOD_GENERAL_DEVICE_2 |
976 				MLX5_HCA_CAP_OPMOD_GET_CUR);
977 		if (!hcattr) {
978 			DRV_LOG(DEBUG,
979 				"Failed to query DevX HCA capabilities 2.");
980 			return rc;
981 		}
982 		attr->log_min_stride_wqe_sz = MLX5_GET(cmd_hca_cap_2, hcattr,
983 						       log_min_stride_wqe_sz);
984 	}
985 	if (attr->log_min_stride_wqe_sz == 0)
986 		attr->log_min_stride_wqe_sz = MLX5_MPRQ_LOG_MIN_STRIDE_WQE_SIZE;
987 	if (attr->qos.sup) {
988 		hcattr = mlx5_devx_get_hca_cap(ctx, in, out, &rc,
989 				MLX5_GET_HCA_CAP_OP_MOD_QOS_CAP |
990 				MLX5_HCA_CAP_OPMOD_GET_CUR);
991 		if (!hcattr) {
992 			DRV_LOG(DEBUG, "Failed to query devx QOS capabilities");
993 			return rc;
994 		}
995 		attr->qos.flow_meter_old =
996 				MLX5_GET(qos_cap, hcattr, flow_meter_old);
997 		attr->qos.log_max_flow_meter =
998 				MLX5_GET(qos_cap, hcattr, log_max_flow_meter);
999 		attr->qos.flow_meter_reg_c_ids =
1000 				MLX5_GET(qos_cap, hcattr, flow_meter_reg_id);
1001 		attr->qos.flow_meter =
1002 				MLX5_GET(qos_cap, hcattr, flow_meter);
1003 		attr->qos.packet_pacing =
1004 				MLX5_GET(qos_cap, hcattr, packet_pacing);
1005 		attr->qos.wqe_rate_pp =
1006 				MLX5_GET(qos_cap, hcattr, wqe_rate_pp);
1007 		if (attr->qos.flow_meter_aso_sup) {
1008 			attr->qos.log_meter_aso_granularity =
1009 				MLX5_GET(qos_cap, hcattr,
1010 					log_meter_aso_granularity);
1011 			attr->qos.log_meter_aso_max_alloc =
1012 				MLX5_GET(qos_cap, hcattr,
1013 					log_meter_aso_max_alloc);
1014 			attr->qos.log_max_num_meter_aso =
1015 				MLX5_GET(qos_cap, hcattr,
1016 					log_max_num_meter_aso);
1017 		}
1018 	}
1019 	/*
1020 	 * Flex item support needs max_num_prog_sample_field
1021 	 * from the Capabilities 2 table for PARSE_GRAPH_NODE
1022 	 */
1023 	if (attr->parse_graph_flex_node) {
1024 		rc = mlx5_devx_cmd_query_hca_parse_graph_node_cap
1025 			(ctx, &attr->flex);
1026 		if (rc)
1027 			return -1;
1028 	}
1029 	if (attr->vdpa.valid)
1030 		mlx5_devx_cmd_query_hca_vdpa_attr(ctx, &attr->vdpa);
1031 	if (!attr->eth_net_offloads)
1032 		return 0;
1033 	/* Query Flow Sampler Capability From FLow Table Properties Layout. */
1034 	hcattr = mlx5_devx_get_hca_cap(ctx, in, out, &rc,
1035 			MLX5_GET_HCA_CAP_OP_MOD_NIC_FLOW_TABLE |
1036 			MLX5_HCA_CAP_OPMOD_GET_CUR);
1037 	if (!hcattr) {
1038 		attr->log_max_ft_sampler_num = 0;
1039 		return rc;
1040 	}
1041 	attr->log_max_ft_sampler_num = MLX5_GET
1042 		(flow_table_nic_cap, hcattr,
1043 		 flow_table_properties_nic_receive.log_max_ft_sampler_num);
1044 	attr->flow.tunnel_header_0_1 = MLX5_GET
1045 		(flow_table_nic_cap, hcattr,
1046 		 ft_field_support_2_nic_receive.tunnel_header_0_1);
1047 	attr->pkt_integrity_match = mlx5_devx_query_pkt_integrity_match(hcattr);
1048 	attr->inner_ipv4_ihl = MLX5_GET
1049 		(flow_table_nic_cap, hcattr,
1050 		 ft_field_support_2_nic_receive.inner_ipv4_ihl);
1051 	attr->outer_ipv4_ihl = MLX5_GET
1052 		(flow_table_nic_cap, hcattr,
1053 		 ft_field_support_2_nic_receive.outer_ipv4_ihl);
1054 	/* Query HCA offloads for Ethernet protocol. */
1055 	hcattr = mlx5_devx_get_hca_cap(ctx, in, out, &rc,
1056 			MLX5_GET_HCA_CAP_OP_MOD_ETHERNET_OFFLOAD_CAPS |
1057 			MLX5_HCA_CAP_OPMOD_GET_CUR);
1058 	if (!hcattr) {
1059 		attr->eth_net_offloads = 0;
1060 		return rc;
1061 	}
1062 	attr->wqe_vlan_insert = MLX5_GET(per_protocol_networking_offload_caps,
1063 					 hcattr, wqe_vlan_insert);
1064 	attr->csum_cap = MLX5_GET(per_protocol_networking_offload_caps,
1065 					 hcattr, csum_cap);
1066 	attr->vlan_cap = MLX5_GET(per_protocol_networking_offload_caps,
1067 					 hcattr, vlan_cap);
1068 	attr->lro_cap = MLX5_GET(per_protocol_networking_offload_caps, hcattr,
1069 				 lro_cap);
1070 	attr->max_lso_cap = MLX5_GET(per_protocol_networking_offload_caps,
1071 				 hcattr, max_lso_cap);
1072 	attr->scatter_fcs = MLX5_GET(per_protocol_networking_offload_caps,
1073 				 hcattr, scatter_fcs);
1074 	attr->tunnel_lro_gre = MLX5_GET(per_protocol_networking_offload_caps,
1075 					hcattr, tunnel_lro_gre);
1076 	attr->tunnel_lro_vxlan = MLX5_GET(per_protocol_networking_offload_caps,
1077 					  hcattr, tunnel_lro_vxlan);
1078 	attr->swp = MLX5_GET(per_protocol_networking_offload_caps,
1079 					  hcattr, swp);
1080 	attr->tunnel_stateless_gre =
1081 				MLX5_GET(per_protocol_networking_offload_caps,
1082 					  hcattr, tunnel_stateless_gre);
1083 	attr->tunnel_stateless_vxlan =
1084 				MLX5_GET(per_protocol_networking_offload_caps,
1085 					  hcattr, tunnel_stateless_vxlan);
1086 	attr->swp_csum = MLX5_GET(per_protocol_networking_offload_caps,
1087 					  hcattr, swp_csum);
1088 	attr->swp_lso = MLX5_GET(per_protocol_networking_offload_caps,
1089 					  hcattr, swp_lso);
1090 	attr->lro_max_msg_sz_mode = MLX5_GET
1091 					(per_protocol_networking_offload_caps,
1092 					 hcattr, lro_max_msg_sz_mode);
1093 	for (i = 0 ; i < MLX5_LRO_NUM_SUPP_PERIODS ; i++) {
1094 		attr->lro_timer_supported_periods[i] =
1095 			MLX5_GET(per_protocol_networking_offload_caps, hcattr,
1096 				 lro_timer_supported_periods[i]);
1097 	}
1098 	attr->lro_min_mss_size = MLX5_GET(per_protocol_networking_offload_caps,
1099 					  hcattr, lro_min_mss_size);
1100 	attr->tunnel_stateless_geneve_rx =
1101 			    MLX5_GET(per_protocol_networking_offload_caps,
1102 				     hcattr, tunnel_stateless_geneve_rx);
1103 	attr->geneve_max_opt_len =
1104 		    MLX5_GET(per_protocol_networking_offload_caps,
1105 			     hcattr, max_geneve_opt_len);
1106 	attr->wqe_inline_mode = MLX5_GET(per_protocol_networking_offload_caps,
1107 					 hcattr, wqe_inline_mode);
1108 	attr->tunnel_stateless_gtp = MLX5_GET
1109 					(per_protocol_networking_offload_caps,
1110 					 hcattr, tunnel_stateless_gtp);
1111 	attr->rss_ind_tbl_cap = MLX5_GET
1112 					(per_protocol_networking_offload_caps,
1113 					 hcattr, rss_ind_tbl_cap);
1114 	/* Query HCA attribute for ROCE. */
1115 	if (attr->roce) {
1116 		hcattr = mlx5_devx_get_hca_cap(ctx, in, out, &rc,
1117 				MLX5_GET_HCA_CAP_OP_MOD_ROCE |
1118 				MLX5_HCA_CAP_OPMOD_GET_CUR);
1119 		if (!hcattr) {
1120 			DRV_LOG(DEBUG,
1121 				"Failed to query devx HCA ROCE capabilities");
1122 			return rc;
1123 		}
1124 		attr->qp_ts_format = MLX5_GET(roce_caps, hcattr, qp_ts_format);
1125 	}
1126 	if (attr->eth_virt &&
1127 	    attr->wqe_inline_mode == MLX5_CAP_INLINE_MODE_VPORT_CONTEXT) {
1128 		rc = mlx5_devx_cmd_query_nic_vport_context(ctx, 0, attr);
1129 		if (rc) {
1130 			attr->eth_virt = 0;
1131 			goto error;
1132 		}
1133 	}
1134 	if (attr->eswitch_manager) {
1135 		hcattr = mlx5_devx_get_hca_cap(ctx, in, out, &rc,
1136 				MLX5_SET_HCA_CAP_OP_MOD_ESW |
1137 				MLX5_HCA_CAP_OPMOD_GET_CUR);
1138 		if (!hcattr)
1139 			return rc;
1140 		attr->esw_mgr_vport_id_valid =
1141 			MLX5_GET(esw_cap, hcattr,
1142 				 esw_manager_vport_number_valid);
1143 		attr->esw_mgr_vport_id =
1144 			MLX5_GET(esw_cap, hcattr, esw_manager_vport_number);
1145 	}
1146 	return 0;
1147 error:
1148 	rc = (rc > 0) ? -rc : rc;
1149 	return rc;
1150 }
1151 
1152 /**
1153  * Query TIS transport domain from QP verbs object using DevX API.
1154  *
1155  * @param[in] qp
1156  *   Pointer to verbs QP returned by ibv_create_qp .
1157  * @param[in] tis_num
1158  *   TIS number of TIS to query.
1159  * @param[out] tis_td
1160  *   Pointer to TIS transport domain variable, to be set by the routine.
1161  *
1162  * @return
1163  *   0 on success, a negative value otherwise.
1164  */
1165 int
1166 mlx5_devx_cmd_qp_query_tis_td(void *qp, uint32_t tis_num,
1167 			      uint32_t *tis_td)
1168 {
1169 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
1170 	uint32_t in[MLX5_ST_SZ_DW(query_tis_in)] = {0};
1171 	uint32_t out[MLX5_ST_SZ_DW(query_tis_out)] = {0};
1172 	int rc;
1173 	void *tis_ctx;
1174 
1175 	MLX5_SET(query_tis_in, in, opcode, MLX5_CMD_OP_QUERY_TIS);
1176 	MLX5_SET(query_tis_in, in, tisn, tis_num);
1177 	rc = mlx5_glue->devx_qp_query(qp, in, sizeof(in), out, sizeof(out));
1178 	if (rc) {
1179 		DRV_LOG(ERR, "Failed to query QP using DevX");
1180 		return -rc;
1181 	};
1182 	tis_ctx = MLX5_ADDR_OF(query_tis_out, out, tis_context);
1183 	*tis_td = MLX5_GET(tisc, tis_ctx, transport_domain);
1184 	return 0;
1185 #else
1186 	(void)qp;
1187 	(void)tis_num;
1188 	(void)tis_td;
1189 	return -ENOTSUP;
1190 #endif
1191 }
1192 
1193 /**
1194  * Fill WQ data for DevX API command.
1195  * Utility function for use when creating DevX objects containing a WQ.
1196  *
1197  * @param[in] wq_ctx
1198  *   Pointer to WQ context to fill with data.
1199  * @param [in] wq_attr
1200  *   Pointer to WQ attributes structure to fill in WQ context.
1201  */
1202 static void
1203 devx_cmd_fill_wq_data(void *wq_ctx, struct mlx5_devx_wq_attr *wq_attr)
1204 {
1205 	MLX5_SET(wq, wq_ctx, wq_type, wq_attr->wq_type);
1206 	MLX5_SET(wq, wq_ctx, wq_signature, wq_attr->wq_signature);
1207 	MLX5_SET(wq, wq_ctx, end_padding_mode, wq_attr->end_padding_mode);
1208 	MLX5_SET(wq, wq_ctx, cd_slave, wq_attr->cd_slave);
1209 	MLX5_SET(wq, wq_ctx, hds_skip_first_sge, wq_attr->hds_skip_first_sge);
1210 	MLX5_SET(wq, wq_ctx, log2_hds_buf_size, wq_attr->log2_hds_buf_size);
1211 	MLX5_SET(wq, wq_ctx, page_offset, wq_attr->page_offset);
1212 	MLX5_SET(wq, wq_ctx, lwm, wq_attr->lwm);
1213 	MLX5_SET(wq, wq_ctx, pd, wq_attr->pd);
1214 	MLX5_SET(wq, wq_ctx, uar_page, wq_attr->uar_page);
1215 	MLX5_SET64(wq, wq_ctx, dbr_addr, wq_attr->dbr_addr);
1216 	MLX5_SET(wq, wq_ctx, hw_counter, wq_attr->hw_counter);
1217 	MLX5_SET(wq, wq_ctx, sw_counter, wq_attr->sw_counter);
1218 	MLX5_SET(wq, wq_ctx, log_wq_stride, wq_attr->log_wq_stride);
1219 	if (wq_attr->log_wq_pg_sz > MLX5_ADAPTER_PAGE_SHIFT)
1220 		MLX5_SET(wq, wq_ctx, log_wq_pg_sz,
1221 			 wq_attr->log_wq_pg_sz - MLX5_ADAPTER_PAGE_SHIFT);
1222 	MLX5_SET(wq, wq_ctx, log_wq_sz, wq_attr->log_wq_sz);
1223 	MLX5_SET(wq, wq_ctx, dbr_umem_valid, wq_attr->dbr_umem_valid);
1224 	MLX5_SET(wq, wq_ctx, wq_umem_valid, wq_attr->wq_umem_valid);
1225 	MLX5_SET(wq, wq_ctx, log_hairpin_num_packets,
1226 		 wq_attr->log_hairpin_num_packets);
1227 	MLX5_SET(wq, wq_ctx, log_hairpin_data_sz, wq_attr->log_hairpin_data_sz);
1228 	MLX5_SET(wq, wq_ctx, single_wqe_log_num_of_strides,
1229 		 wq_attr->single_wqe_log_num_of_strides);
1230 	MLX5_SET(wq, wq_ctx, two_byte_shift_en, wq_attr->two_byte_shift_en);
1231 	MLX5_SET(wq, wq_ctx, single_stride_log_num_of_bytes,
1232 		 wq_attr->single_stride_log_num_of_bytes);
1233 	MLX5_SET(wq, wq_ctx, dbr_umem_id, wq_attr->dbr_umem_id);
1234 	MLX5_SET(wq, wq_ctx, wq_umem_id, wq_attr->wq_umem_id);
1235 	MLX5_SET64(wq, wq_ctx, wq_umem_offset, wq_attr->wq_umem_offset);
1236 }
1237 
1238 /**
1239  * Create RQ using DevX API.
1240  *
1241  * @param[in] ctx
1242  *   Context returned from mlx5 open_device() glue function.
1243  * @param [in] rq_attr
1244  *   Pointer to create RQ attributes structure.
1245  * @param [in] socket
1246  *   CPU socket ID for allocations.
1247  *
1248  * @return
1249  *   The DevX object created, NULL otherwise and rte_errno is set.
1250  */
1251 struct mlx5_devx_obj *
1252 mlx5_devx_cmd_create_rq(void *ctx,
1253 			struct mlx5_devx_create_rq_attr *rq_attr,
1254 			int socket)
1255 {
1256 	uint32_t in[MLX5_ST_SZ_DW(create_rq_in)] = {0};
1257 	uint32_t out[MLX5_ST_SZ_DW(create_rq_out)] = {0};
1258 	void *rq_ctx, *wq_ctx;
1259 	struct mlx5_devx_wq_attr *wq_attr;
1260 	struct mlx5_devx_obj *rq = NULL;
1261 
1262 	rq = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*rq), 0, socket);
1263 	if (!rq) {
1264 		DRV_LOG(ERR, "Failed to allocate RQ data");
1265 		rte_errno = ENOMEM;
1266 		return NULL;
1267 	}
1268 	MLX5_SET(create_rq_in, in, opcode, MLX5_CMD_OP_CREATE_RQ);
1269 	rq_ctx = MLX5_ADDR_OF(create_rq_in, in, ctx);
1270 	MLX5_SET(rqc, rq_ctx, rlky, rq_attr->rlky);
1271 	MLX5_SET(rqc, rq_ctx, delay_drop_en, rq_attr->delay_drop_en);
1272 	MLX5_SET(rqc, rq_ctx, scatter_fcs, rq_attr->scatter_fcs);
1273 	MLX5_SET(rqc, rq_ctx, vsd, rq_attr->vsd);
1274 	MLX5_SET(rqc, rq_ctx, mem_rq_type, rq_attr->mem_rq_type);
1275 	MLX5_SET(rqc, rq_ctx, state, rq_attr->state);
1276 	MLX5_SET(rqc, rq_ctx, flush_in_error_en, rq_attr->flush_in_error_en);
1277 	MLX5_SET(rqc, rq_ctx, hairpin, rq_attr->hairpin);
1278 	MLX5_SET(rqc, rq_ctx, user_index, rq_attr->user_index);
1279 	MLX5_SET(rqc, rq_ctx, cqn, rq_attr->cqn);
1280 	MLX5_SET(rqc, rq_ctx, counter_set_id, rq_attr->counter_set_id);
1281 	MLX5_SET(rqc, rq_ctx, rmpn, rq_attr->rmpn);
1282 	MLX5_SET(sqc, rq_ctx, ts_format, rq_attr->ts_format);
1283 	wq_ctx = MLX5_ADDR_OF(rqc, rq_ctx, wq);
1284 	wq_attr = &rq_attr->wq_attr;
1285 	devx_cmd_fill_wq_data(wq_ctx, wq_attr);
1286 	rq->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
1287 						  out, sizeof(out));
1288 	if (!rq->obj) {
1289 		DRV_LOG(ERR, "Failed to create RQ using DevX");
1290 		rte_errno = errno;
1291 		mlx5_free(rq);
1292 		return NULL;
1293 	}
1294 	rq->id = MLX5_GET(create_rq_out, out, rqn);
1295 	return rq;
1296 }
1297 
1298 /**
1299  * Modify RQ using DevX API.
1300  *
1301  * @param[in] rq
1302  *   Pointer to RQ object structure.
1303  * @param [in] rq_attr
1304  *   Pointer to modify RQ attributes structure.
1305  *
1306  * @return
1307  *   0 on success, a negative errno value otherwise and rte_errno is set.
1308  */
1309 int
1310 mlx5_devx_cmd_modify_rq(struct mlx5_devx_obj *rq,
1311 			struct mlx5_devx_modify_rq_attr *rq_attr)
1312 {
1313 	uint32_t in[MLX5_ST_SZ_DW(modify_rq_in)] = {0};
1314 	uint32_t out[MLX5_ST_SZ_DW(modify_rq_out)] = {0};
1315 	void *rq_ctx, *wq_ctx;
1316 	int ret;
1317 
1318 	MLX5_SET(modify_rq_in, in, opcode, MLX5_CMD_OP_MODIFY_RQ);
1319 	MLX5_SET(modify_rq_in, in, rq_state, rq_attr->rq_state);
1320 	MLX5_SET(modify_rq_in, in, rqn, rq->id);
1321 	MLX5_SET64(modify_rq_in, in, modify_bitmask, rq_attr->modify_bitmask);
1322 	rq_ctx = MLX5_ADDR_OF(modify_rq_in, in, ctx);
1323 	MLX5_SET(rqc, rq_ctx, state, rq_attr->state);
1324 	if (rq_attr->modify_bitmask &
1325 			MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_SCATTER_FCS)
1326 		MLX5_SET(rqc, rq_ctx, scatter_fcs, rq_attr->scatter_fcs);
1327 	if (rq_attr->modify_bitmask & MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_VSD)
1328 		MLX5_SET(rqc, rq_ctx, vsd, rq_attr->vsd);
1329 	if (rq_attr->modify_bitmask &
1330 			MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_RQ_COUNTER_SET_ID)
1331 		MLX5_SET(rqc, rq_ctx, counter_set_id, rq_attr->counter_set_id);
1332 	MLX5_SET(rqc, rq_ctx, hairpin_peer_sq, rq_attr->hairpin_peer_sq);
1333 	MLX5_SET(rqc, rq_ctx, hairpin_peer_vhca, rq_attr->hairpin_peer_vhca);
1334 	if (rq_attr->modify_bitmask & MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_WQ_LWM) {
1335 		wq_ctx = MLX5_ADDR_OF(rqc, rq_ctx, wq);
1336 		MLX5_SET(wq, wq_ctx, lwm, rq_attr->lwm);
1337 	}
1338 	ret = mlx5_glue->devx_obj_modify(rq->obj, in, sizeof(in),
1339 					 out, sizeof(out));
1340 	if (ret) {
1341 		DRV_LOG(ERR, "Failed to modify RQ using DevX");
1342 		rte_errno = errno;
1343 		return -errno;
1344 	}
1345 	return ret;
1346 }
1347 
1348 /**
1349  * Create RMP using DevX API.
1350  *
1351  * @param[in] ctx
1352  *   Context returned from mlx5 open_device() glue function.
1353  * @param [in] rmp_attr
1354  *   Pointer to create RMP attributes structure.
1355  * @param [in] socket
1356  *   CPU socket ID for allocations.
1357  *
1358  * @return
1359  *   The DevX object created, NULL otherwise and rte_errno is set.
1360  */
1361 struct mlx5_devx_obj *
1362 mlx5_devx_cmd_create_rmp(void *ctx,
1363 			 struct mlx5_devx_create_rmp_attr *rmp_attr,
1364 			 int socket)
1365 {
1366 	uint32_t in[MLX5_ST_SZ_DW(create_rmp_in)] = {0};
1367 	uint32_t out[MLX5_ST_SZ_DW(create_rmp_out)] = {0};
1368 	void *rmp_ctx, *wq_ctx;
1369 	struct mlx5_devx_wq_attr *wq_attr;
1370 	struct mlx5_devx_obj *rmp = NULL;
1371 
1372 	rmp = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*rmp), 0, socket);
1373 	if (!rmp) {
1374 		DRV_LOG(ERR, "Failed to allocate RMP data");
1375 		rte_errno = ENOMEM;
1376 		return NULL;
1377 	}
1378 	MLX5_SET(create_rmp_in, in, opcode, MLX5_CMD_OP_CREATE_RMP);
1379 	rmp_ctx = MLX5_ADDR_OF(create_rmp_in, in, ctx);
1380 	MLX5_SET(rmpc, rmp_ctx, state, rmp_attr->state);
1381 	MLX5_SET(rmpc, rmp_ctx, basic_cyclic_rcv_wqe,
1382 		 rmp_attr->basic_cyclic_rcv_wqe);
1383 	wq_ctx = MLX5_ADDR_OF(rmpc, rmp_ctx, wq);
1384 	wq_attr = &rmp_attr->wq_attr;
1385 	devx_cmd_fill_wq_data(wq_ctx, wq_attr);
1386 	rmp->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in), out,
1387 					      sizeof(out));
1388 	if (!rmp->obj) {
1389 		DRV_LOG(ERR, "Failed to create RMP using DevX");
1390 		rte_errno = errno;
1391 		mlx5_free(rmp);
1392 		return NULL;
1393 	}
1394 	rmp->id = MLX5_GET(create_rmp_out, out, rmpn);
1395 	return rmp;
1396 }
1397 
1398 /*
1399  * Create TIR using DevX API.
1400  *
1401  * @param[in] ctx
1402  *  Context returned from mlx5 open_device() glue function.
1403  * @param [in] tir_attr
1404  *   Pointer to TIR attributes structure.
1405  *
1406  * @return
1407  *   The DevX object created, NULL otherwise and rte_errno is set.
1408  */
1409 struct mlx5_devx_obj *
1410 mlx5_devx_cmd_create_tir(void *ctx,
1411 			 struct mlx5_devx_tir_attr *tir_attr)
1412 {
1413 	uint32_t in[MLX5_ST_SZ_DW(create_tir_in)] = {0};
1414 	uint32_t out[MLX5_ST_SZ_DW(create_tir_out)] = {0};
1415 	void *tir_ctx, *outer, *inner, *rss_key;
1416 	struct mlx5_devx_obj *tir = NULL;
1417 
1418 	tir = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*tir), 0, SOCKET_ID_ANY);
1419 	if (!tir) {
1420 		DRV_LOG(ERR, "Failed to allocate TIR data");
1421 		rte_errno = ENOMEM;
1422 		return NULL;
1423 	}
1424 	MLX5_SET(create_tir_in, in, opcode, MLX5_CMD_OP_CREATE_TIR);
1425 	tir_ctx = MLX5_ADDR_OF(create_tir_in, in, ctx);
1426 	MLX5_SET(tirc, tir_ctx, disp_type, tir_attr->disp_type);
1427 	MLX5_SET(tirc, tir_ctx, lro_timeout_period_usecs,
1428 		 tir_attr->lro_timeout_period_usecs);
1429 	MLX5_SET(tirc, tir_ctx, lro_enable_mask, tir_attr->lro_enable_mask);
1430 	MLX5_SET(tirc, tir_ctx, lro_max_msg_sz, tir_attr->lro_max_msg_sz);
1431 	MLX5_SET(tirc, tir_ctx, inline_rqn, tir_attr->inline_rqn);
1432 	MLX5_SET(tirc, tir_ctx, rx_hash_symmetric, tir_attr->rx_hash_symmetric);
1433 	MLX5_SET(tirc, tir_ctx, tunneled_offload_en,
1434 		 tir_attr->tunneled_offload_en);
1435 	MLX5_SET(tirc, tir_ctx, indirect_table, tir_attr->indirect_table);
1436 	MLX5_SET(tirc, tir_ctx, rx_hash_fn, tir_attr->rx_hash_fn);
1437 	MLX5_SET(tirc, tir_ctx, self_lb_block, tir_attr->self_lb_block);
1438 	MLX5_SET(tirc, tir_ctx, transport_domain, tir_attr->transport_domain);
1439 	rss_key = MLX5_ADDR_OF(tirc, tir_ctx, rx_hash_toeplitz_key);
1440 	memcpy(rss_key, tir_attr->rx_hash_toeplitz_key, MLX5_RSS_HASH_KEY_LEN);
1441 	outer = MLX5_ADDR_OF(tirc, tir_ctx, rx_hash_field_selector_outer);
1442 	MLX5_SET(rx_hash_field_select, outer, l3_prot_type,
1443 		 tir_attr->rx_hash_field_selector_outer.l3_prot_type);
1444 	MLX5_SET(rx_hash_field_select, outer, l4_prot_type,
1445 		 tir_attr->rx_hash_field_selector_outer.l4_prot_type);
1446 	MLX5_SET(rx_hash_field_select, outer, selected_fields,
1447 		 tir_attr->rx_hash_field_selector_outer.selected_fields);
1448 	inner = MLX5_ADDR_OF(tirc, tir_ctx, rx_hash_field_selector_inner);
1449 	MLX5_SET(rx_hash_field_select, inner, l3_prot_type,
1450 		 tir_attr->rx_hash_field_selector_inner.l3_prot_type);
1451 	MLX5_SET(rx_hash_field_select, inner, l4_prot_type,
1452 		 tir_attr->rx_hash_field_selector_inner.l4_prot_type);
1453 	MLX5_SET(rx_hash_field_select, inner, selected_fields,
1454 		 tir_attr->rx_hash_field_selector_inner.selected_fields);
1455 	tir->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
1456 						   out, sizeof(out));
1457 	if (!tir->obj) {
1458 		DRV_LOG(ERR, "Failed to create TIR using DevX");
1459 		rte_errno = errno;
1460 		mlx5_free(tir);
1461 		return NULL;
1462 	}
1463 	tir->id = MLX5_GET(create_tir_out, out, tirn);
1464 	return tir;
1465 }
1466 
1467 /**
1468  * Modify TIR using DevX API.
1469  *
1470  * @param[in] tir
1471  *   Pointer to TIR DevX object structure.
1472  * @param [in] modify_tir_attr
1473  *   Pointer to TIR modification attributes structure.
1474  *
1475  * @return
1476  *   0 on success, a negative errno value otherwise and rte_errno is set.
1477  */
1478 int
1479 mlx5_devx_cmd_modify_tir(struct mlx5_devx_obj *tir,
1480 			 struct mlx5_devx_modify_tir_attr *modify_tir_attr)
1481 {
1482 	struct mlx5_devx_tir_attr *tir_attr = &modify_tir_attr->tir;
1483 	uint32_t in[MLX5_ST_SZ_DW(modify_tir_in)] = {0};
1484 	uint32_t out[MLX5_ST_SZ_DW(modify_tir_out)] = {0};
1485 	void *tir_ctx;
1486 	int ret;
1487 
1488 	MLX5_SET(modify_tir_in, in, opcode, MLX5_CMD_OP_MODIFY_TIR);
1489 	MLX5_SET(modify_tir_in, in, tirn, modify_tir_attr->tirn);
1490 	MLX5_SET64(modify_tir_in, in, modify_bitmask,
1491 		   modify_tir_attr->modify_bitmask);
1492 	tir_ctx = MLX5_ADDR_OF(modify_rq_in, in, ctx);
1493 	if (modify_tir_attr->modify_bitmask &
1494 			MLX5_MODIFY_TIR_IN_MODIFY_BITMASK_LRO) {
1495 		MLX5_SET(tirc, tir_ctx, lro_timeout_period_usecs,
1496 			 tir_attr->lro_timeout_period_usecs);
1497 		MLX5_SET(tirc, tir_ctx, lro_enable_mask,
1498 			 tir_attr->lro_enable_mask);
1499 		MLX5_SET(tirc, tir_ctx, lro_max_msg_sz,
1500 			 tir_attr->lro_max_msg_sz);
1501 	}
1502 	if (modify_tir_attr->modify_bitmask &
1503 			MLX5_MODIFY_TIR_IN_MODIFY_BITMASK_INDIRECT_TABLE)
1504 		MLX5_SET(tirc, tir_ctx, indirect_table,
1505 			 tir_attr->indirect_table);
1506 	if (modify_tir_attr->modify_bitmask &
1507 			MLX5_MODIFY_TIR_IN_MODIFY_BITMASK_HASH) {
1508 		int i;
1509 		void *outer, *inner;
1510 
1511 		MLX5_SET(tirc, tir_ctx, rx_hash_symmetric,
1512 			 tir_attr->rx_hash_symmetric);
1513 		MLX5_SET(tirc, tir_ctx, rx_hash_fn, tir_attr->rx_hash_fn);
1514 		for (i = 0; i < 10; i++) {
1515 			MLX5_SET(tirc, tir_ctx, rx_hash_toeplitz_key[i],
1516 				 tir_attr->rx_hash_toeplitz_key[i]);
1517 		}
1518 		outer = MLX5_ADDR_OF(tirc, tir_ctx,
1519 				     rx_hash_field_selector_outer);
1520 		MLX5_SET(rx_hash_field_select, outer, l3_prot_type,
1521 			 tir_attr->rx_hash_field_selector_outer.l3_prot_type);
1522 		MLX5_SET(rx_hash_field_select, outer, l4_prot_type,
1523 			 tir_attr->rx_hash_field_selector_outer.l4_prot_type);
1524 		MLX5_SET
1525 		(rx_hash_field_select, outer, selected_fields,
1526 		 tir_attr->rx_hash_field_selector_outer.selected_fields);
1527 		inner = MLX5_ADDR_OF(tirc, tir_ctx,
1528 				     rx_hash_field_selector_inner);
1529 		MLX5_SET(rx_hash_field_select, inner, l3_prot_type,
1530 			 tir_attr->rx_hash_field_selector_inner.l3_prot_type);
1531 		MLX5_SET(rx_hash_field_select, inner, l4_prot_type,
1532 			 tir_attr->rx_hash_field_selector_inner.l4_prot_type);
1533 		MLX5_SET
1534 		(rx_hash_field_select, inner, selected_fields,
1535 		 tir_attr->rx_hash_field_selector_inner.selected_fields);
1536 	}
1537 	if (modify_tir_attr->modify_bitmask &
1538 	    MLX5_MODIFY_TIR_IN_MODIFY_BITMASK_SELF_LB_EN) {
1539 		MLX5_SET(tirc, tir_ctx, self_lb_block, tir_attr->self_lb_block);
1540 	}
1541 	ret = mlx5_glue->devx_obj_modify(tir->obj, in, sizeof(in),
1542 					 out, sizeof(out));
1543 	if (ret) {
1544 		DRV_LOG(ERR, "Failed to modify TIR using DevX");
1545 		rte_errno = errno;
1546 		return -errno;
1547 	}
1548 	return ret;
1549 }
1550 
1551 /**
1552  * Create RQT using DevX API.
1553  *
1554  * @param[in] ctx
1555  *   Context returned from mlx5 open_device() glue function.
1556  * @param [in] rqt_attr
1557  *   Pointer to RQT attributes structure.
1558  *
1559  * @return
1560  *   The DevX object created, NULL otherwise and rte_errno is set.
1561  */
1562 struct mlx5_devx_obj *
1563 mlx5_devx_cmd_create_rqt(void *ctx,
1564 			 struct mlx5_devx_rqt_attr *rqt_attr)
1565 {
1566 	uint32_t *in = NULL;
1567 	uint32_t inlen = MLX5_ST_SZ_BYTES(create_rqt_in) +
1568 			 rqt_attr->rqt_actual_size * sizeof(uint32_t);
1569 	uint32_t out[MLX5_ST_SZ_DW(create_rqt_out)] = {0};
1570 	void *rqt_ctx;
1571 	struct mlx5_devx_obj *rqt = NULL;
1572 	int i;
1573 
1574 	in = mlx5_malloc(MLX5_MEM_ZERO, inlen, 0, SOCKET_ID_ANY);
1575 	if (!in) {
1576 		DRV_LOG(ERR, "Failed to allocate RQT IN data");
1577 		rte_errno = ENOMEM;
1578 		return NULL;
1579 	}
1580 	rqt = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*rqt), 0, SOCKET_ID_ANY);
1581 	if (!rqt) {
1582 		DRV_LOG(ERR, "Failed to allocate RQT data");
1583 		rte_errno = ENOMEM;
1584 		mlx5_free(in);
1585 		return NULL;
1586 	}
1587 	MLX5_SET(create_rqt_in, in, opcode, MLX5_CMD_OP_CREATE_RQT);
1588 	rqt_ctx = MLX5_ADDR_OF(create_rqt_in, in, rqt_context);
1589 	MLX5_SET(rqtc, rqt_ctx, list_q_type, rqt_attr->rq_type);
1590 	MLX5_SET(rqtc, rqt_ctx, rqt_max_size, rqt_attr->rqt_max_size);
1591 	MLX5_SET(rqtc, rqt_ctx, rqt_actual_size, rqt_attr->rqt_actual_size);
1592 	for (i = 0; i < rqt_attr->rqt_actual_size; i++)
1593 		MLX5_SET(rqtc, rqt_ctx, rq_num[i], rqt_attr->rq_list[i]);
1594 	rqt->obj = mlx5_glue->devx_obj_create(ctx, in, inlen, out, sizeof(out));
1595 	mlx5_free(in);
1596 	if (!rqt->obj) {
1597 		DRV_LOG(ERR, "Failed to create RQT using DevX");
1598 		rte_errno = errno;
1599 		mlx5_free(rqt);
1600 		return NULL;
1601 	}
1602 	rqt->id = MLX5_GET(create_rqt_out, out, rqtn);
1603 	return rqt;
1604 }
1605 
1606 /**
1607  * Modify RQT using DevX API.
1608  *
1609  * @param[in] rqt
1610  *   Pointer to RQT DevX object structure.
1611  * @param [in] rqt_attr
1612  *   Pointer to RQT attributes structure.
1613  *
1614  * @return
1615  *   0 on success, a negative errno value otherwise and rte_errno is set.
1616  */
1617 int
1618 mlx5_devx_cmd_modify_rqt(struct mlx5_devx_obj *rqt,
1619 			 struct mlx5_devx_rqt_attr *rqt_attr)
1620 {
1621 	uint32_t inlen = MLX5_ST_SZ_BYTES(modify_rqt_in) +
1622 			 rqt_attr->rqt_actual_size * sizeof(uint32_t);
1623 	uint32_t out[MLX5_ST_SZ_DW(modify_rqt_out)] = {0};
1624 	uint32_t *in = mlx5_malloc(MLX5_MEM_ZERO, inlen, 0, SOCKET_ID_ANY);
1625 	void *rqt_ctx;
1626 	int i;
1627 	int ret;
1628 
1629 	if (!in) {
1630 		DRV_LOG(ERR, "Failed to allocate RQT modify IN data.");
1631 		rte_errno = ENOMEM;
1632 		return -ENOMEM;
1633 	}
1634 	MLX5_SET(modify_rqt_in, in, opcode, MLX5_CMD_OP_MODIFY_RQT);
1635 	MLX5_SET(modify_rqt_in, in, rqtn, rqt->id);
1636 	MLX5_SET64(modify_rqt_in, in, modify_bitmask, 0x1);
1637 	rqt_ctx = MLX5_ADDR_OF(modify_rqt_in, in, rqt_context);
1638 	MLX5_SET(rqtc, rqt_ctx, list_q_type, rqt_attr->rq_type);
1639 	MLX5_SET(rqtc, rqt_ctx, rqt_max_size, rqt_attr->rqt_max_size);
1640 	MLX5_SET(rqtc, rqt_ctx, rqt_actual_size, rqt_attr->rqt_actual_size);
1641 	for (i = 0; i < rqt_attr->rqt_actual_size; i++)
1642 		MLX5_SET(rqtc, rqt_ctx, rq_num[i], rqt_attr->rq_list[i]);
1643 	ret = mlx5_glue->devx_obj_modify(rqt->obj, in, inlen, out, sizeof(out));
1644 	mlx5_free(in);
1645 	if (ret) {
1646 		DRV_LOG(ERR, "Failed to modify RQT using DevX.");
1647 		rte_errno = errno;
1648 		return -rte_errno;
1649 	}
1650 	return ret;
1651 }
1652 
1653 /**
1654  * Create SQ using DevX API.
1655  *
1656  * @param[in] ctx
1657  *   Context returned from mlx5 open_device() glue function.
1658  * @param [in] sq_attr
1659  *   Pointer to SQ attributes structure.
1660  * @param [in] socket
1661  *   CPU socket ID for allocations.
1662  *
1663  * @return
1664  *   The DevX object created, NULL otherwise and rte_errno is set.
1665  **/
1666 struct mlx5_devx_obj *
1667 mlx5_devx_cmd_create_sq(void *ctx,
1668 			struct mlx5_devx_create_sq_attr *sq_attr)
1669 {
1670 	uint32_t in[MLX5_ST_SZ_DW(create_sq_in)] = {0};
1671 	uint32_t out[MLX5_ST_SZ_DW(create_sq_out)] = {0};
1672 	void *sq_ctx;
1673 	void *wq_ctx;
1674 	struct mlx5_devx_wq_attr *wq_attr;
1675 	struct mlx5_devx_obj *sq = NULL;
1676 
1677 	sq = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*sq), 0, SOCKET_ID_ANY);
1678 	if (!sq) {
1679 		DRV_LOG(ERR, "Failed to allocate SQ data");
1680 		rte_errno = ENOMEM;
1681 		return NULL;
1682 	}
1683 	MLX5_SET(create_sq_in, in, opcode, MLX5_CMD_OP_CREATE_SQ);
1684 	sq_ctx = MLX5_ADDR_OF(create_sq_in, in, ctx);
1685 	MLX5_SET(sqc, sq_ctx, rlky, sq_attr->rlky);
1686 	MLX5_SET(sqc, sq_ctx, cd_master, sq_attr->cd_master);
1687 	MLX5_SET(sqc, sq_ctx, fre, sq_attr->fre);
1688 	MLX5_SET(sqc, sq_ctx, flush_in_error_en, sq_attr->flush_in_error_en);
1689 	MLX5_SET(sqc, sq_ctx, allow_multi_pkt_send_wqe,
1690 		 sq_attr->allow_multi_pkt_send_wqe);
1691 	MLX5_SET(sqc, sq_ctx, min_wqe_inline_mode,
1692 		 sq_attr->min_wqe_inline_mode);
1693 	MLX5_SET(sqc, sq_ctx, state, sq_attr->state);
1694 	MLX5_SET(sqc, sq_ctx, reg_umr, sq_attr->reg_umr);
1695 	MLX5_SET(sqc, sq_ctx, allow_swp, sq_attr->allow_swp);
1696 	MLX5_SET(sqc, sq_ctx, hairpin, sq_attr->hairpin);
1697 	MLX5_SET(sqc, sq_ctx, non_wire, sq_attr->non_wire);
1698 	MLX5_SET(sqc, sq_ctx, static_sq_wq, sq_attr->static_sq_wq);
1699 	MLX5_SET(sqc, sq_ctx, user_index, sq_attr->user_index);
1700 	MLX5_SET(sqc, sq_ctx, cqn, sq_attr->cqn);
1701 	MLX5_SET(sqc, sq_ctx, packet_pacing_rate_limit_index,
1702 		 sq_attr->packet_pacing_rate_limit_index);
1703 	MLX5_SET(sqc, sq_ctx, tis_lst_sz, sq_attr->tis_lst_sz);
1704 	MLX5_SET(sqc, sq_ctx, tis_num_0, sq_attr->tis_num);
1705 	MLX5_SET(sqc, sq_ctx, ts_format, sq_attr->ts_format);
1706 	wq_ctx = MLX5_ADDR_OF(sqc, sq_ctx, wq);
1707 	wq_attr = &sq_attr->wq_attr;
1708 	devx_cmd_fill_wq_data(wq_ctx, wq_attr);
1709 	sq->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
1710 					     out, sizeof(out));
1711 	if (!sq->obj) {
1712 		DRV_LOG(ERR, "Failed to create SQ using DevX");
1713 		rte_errno = errno;
1714 		mlx5_free(sq);
1715 		return NULL;
1716 	}
1717 	sq->id = MLX5_GET(create_sq_out, out, sqn);
1718 	return sq;
1719 }
1720 
1721 /**
1722  * Modify SQ using DevX API.
1723  *
1724  * @param[in] sq
1725  *   Pointer to SQ object structure.
1726  * @param [in] sq_attr
1727  *   Pointer to SQ attributes structure.
1728  *
1729  * @return
1730  *   0 on success, a negative errno value otherwise and rte_errno is set.
1731  */
1732 int
1733 mlx5_devx_cmd_modify_sq(struct mlx5_devx_obj *sq,
1734 			struct mlx5_devx_modify_sq_attr *sq_attr)
1735 {
1736 	uint32_t in[MLX5_ST_SZ_DW(modify_sq_in)] = {0};
1737 	uint32_t out[MLX5_ST_SZ_DW(modify_sq_out)] = {0};
1738 	void *sq_ctx;
1739 	int ret;
1740 
1741 	MLX5_SET(modify_sq_in, in, opcode, MLX5_CMD_OP_MODIFY_SQ);
1742 	MLX5_SET(modify_sq_in, in, sq_state, sq_attr->sq_state);
1743 	MLX5_SET(modify_sq_in, in, sqn, sq->id);
1744 	sq_ctx = MLX5_ADDR_OF(modify_sq_in, in, ctx);
1745 	MLX5_SET(sqc, sq_ctx, state, sq_attr->state);
1746 	MLX5_SET(sqc, sq_ctx, hairpin_peer_rq, sq_attr->hairpin_peer_rq);
1747 	MLX5_SET(sqc, sq_ctx, hairpin_peer_vhca, sq_attr->hairpin_peer_vhca);
1748 	ret = mlx5_glue->devx_obj_modify(sq->obj, in, sizeof(in),
1749 					 out, sizeof(out));
1750 	if (ret) {
1751 		DRV_LOG(ERR, "Failed to modify SQ using DevX");
1752 		rte_errno = errno;
1753 		return -rte_errno;
1754 	}
1755 	return ret;
1756 }
1757 
1758 /**
1759  * Create TIS using DevX API.
1760  *
1761  * @param[in] ctx
1762  *   Context returned from mlx5 open_device() glue function.
1763  * @param [in] tis_attr
1764  *   Pointer to TIS attributes structure.
1765  *
1766  * @return
1767  *   The DevX object created, NULL otherwise and rte_errno is set.
1768  */
1769 struct mlx5_devx_obj *
1770 mlx5_devx_cmd_create_tis(void *ctx,
1771 			 struct mlx5_devx_tis_attr *tis_attr)
1772 {
1773 	uint32_t in[MLX5_ST_SZ_DW(create_tis_in)] = {0};
1774 	uint32_t out[MLX5_ST_SZ_DW(create_tis_out)] = {0};
1775 	struct mlx5_devx_obj *tis = NULL;
1776 	void *tis_ctx;
1777 
1778 	tis = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*tis), 0, SOCKET_ID_ANY);
1779 	if (!tis) {
1780 		DRV_LOG(ERR, "Failed to allocate TIS object");
1781 		rte_errno = ENOMEM;
1782 		return NULL;
1783 	}
1784 	MLX5_SET(create_tis_in, in, opcode, MLX5_CMD_OP_CREATE_TIS);
1785 	tis_ctx = MLX5_ADDR_OF(create_tis_in, in, ctx);
1786 	MLX5_SET(tisc, tis_ctx, strict_lag_tx_port_affinity,
1787 		 tis_attr->strict_lag_tx_port_affinity);
1788 	MLX5_SET(tisc, tis_ctx, lag_tx_port_affinity,
1789 		 tis_attr->lag_tx_port_affinity);
1790 	MLX5_SET(tisc, tis_ctx, prio, tis_attr->prio);
1791 	MLX5_SET(tisc, tis_ctx, transport_domain,
1792 		 tis_attr->transport_domain);
1793 	tis->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
1794 					      out, sizeof(out));
1795 	if (!tis->obj) {
1796 		DRV_LOG(ERR, "Failed to create TIS using DevX");
1797 		rte_errno = errno;
1798 		mlx5_free(tis);
1799 		return NULL;
1800 	}
1801 	tis->id = MLX5_GET(create_tis_out, out, tisn);
1802 	return tis;
1803 }
1804 
1805 /**
1806  * Create transport domain using DevX API.
1807  *
1808  * @param[in] ctx
1809  *   Context returned from mlx5 open_device() glue function.
1810  * @return
1811  *   The DevX object created, NULL otherwise and rte_errno is set.
1812  */
1813 struct mlx5_devx_obj *
1814 mlx5_devx_cmd_create_td(void *ctx)
1815 {
1816 	uint32_t in[MLX5_ST_SZ_DW(alloc_transport_domain_in)] = {0};
1817 	uint32_t out[MLX5_ST_SZ_DW(alloc_transport_domain_out)] = {0};
1818 	struct mlx5_devx_obj *td = NULL;
1819 
1820 	td = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*td), 0, SOCKET_ID_ANY);
1821 	if (!td) {
1822 		DRV_LOG(ERR, "Failed to allocate TD object");
1823 		rte_errno = ENOMEM;
1824 		return NULL;
1825 	}
1826 	MLX5_SET(alloc_transport_domain_in, in, opcode,
1827 		 MLX5_CMD_OP_ALLOC_TRANSPORT_DOMAIN);
1828 	td->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
1829 					     out, sizeof(out));
1830 	if (!td->obj) {
1831 		DRV_LOG(ERR, "Failed to create TIS using DevX");
1832 		rte_errno = errno;
1833 		mlx5_free(td);
1834 		return NULL;
1835 	}
1836 	td->id = MLX5_GET(alloc_transport_domain_out, out,
1837 			   transport_domain);
1838 	return td;
1839 }
1840 
1841 /**
1842  * Dump all flows to file.
1843  *
1844  * @param[in] fdb_domain
1845  *   FDB domain.
1846  * @param[in] rx_domain
1847  *   RX domain.
1848  * @param[in] tx_domain
1849  *   TX domain.
1850  * @param[out] file
1851  *   Pointer to file stream.
1852  *
1853  * @return
1854  *   0 on success, a negative value otherwise.
1855  */
1856 int
1857 mlx5_devx_cmd_flow_dump(void *fdb_domain __rte_unused,
1858 			void *rx_domain __rte_unused,
1859 			void *tx_domain __rte_unused, FILE *file __rte_unused)
1860 {
1861 	int ret = 0;
1862 
1863 #ifdef HAVE_MLX5_DR_FLOW_DUMP
1864 	if (fdb_domain) {
1865 		ret = mlx5_glue->dr_dump_domain(file, fdb_domain);
1866 		if (ret)
1867 			return ret;
1868 	}
1869 	MLX5_ASSERT(rx_domain);
1870 	ret = mlx5_glue->dr_dump_domain(file, rx_domain);
1871 	if (ret)
1872 		return ret;
1873 	MLX5_ASSERT(tx_domain);
1874 	ret = mlx5_glue->dr_dump_domain(file, tx_domain);
1875 #else
1876 	ret = ENOTSUP;
1877 #endif
1878 	return -ret;
1879 }
1880 
1881 int
1882 mlx5_devx_cmd_flow_single_dump(void *rule_info __rte_unused,
1883 			FILE *file __rte_unused)
1884 {
1885 	int ret = 0;
1886 #ifdef HAVE_MLX5_DR_FLOW_DUMP_RULE
1887 	if (rule_info)
1888 		ret = mlx5_glue->dr_dump_rule(file, rule_info);
1889 #else
1890 	ret = ENOTSUP;
1891 #endif
1892 	return -ret;
1893 }
1894 
1895 /*
1896  * Create CQ using DevX API.
1897  *
1898  * @param[in] ctx
1899  *   Context returned from mlx5 open_device() glue function.
1900  * @param [in] attr
1901  *   Pointer to CQ attributes structure.
1902  *
1903  * @return
1904  *   The DevX object created, NULL otherwise and rte_errno is set.
1905  */
1906 struct mlx5_devx_obj *
1907 mlx5_devx_cmd_create_cq(void *ctx, struct mlx5_devx_cq_attr *attr)
1908 {
1909 	uint32_t in[MLX5_ST_SZ_DW(create_cq_in)] = {0};
1910 	uint32_t out[MLX5_ST_SZ_DW(create_cq_out)] = {0};
1911 	struct mlx5_devx_obj *cq_obj = mlx5_malloc(MLX5_MEM_ZERO,
1912 						   sizeof(*cq_obj),
1913 						   0, SOCKET_ID_ANY);
1914 	void *cqctx = MLX5_ADDR_OF(create_cq_in, in, cq_context);
1915 
1916 	if (!cq_obj) {
1917 		DRV_LOG(ERR, "Failed to allocate CQ object memory.");
1918 		rte_errno = ENOMEM;
1919 		return NULL;
1920 	}
1921 	MLX5_SET(create_cq_in, in, opcode, MLX5_CMD_OP_CREATE_CQ);
1922 	if (attr->db_umem_valid) {
1923 		MLX5_SET(cqc, cqctx, dbr_umem_valid, attr->db_umem_valid);
1924 		MLX5_SET(cqc, cqctx, dbr_umem_id, attr->db_umem_id);
1925 		MLX5_SET64(cqc, cqctx, dbr_addr, attr->db_umem_offset);
1926 	} else {
1927 		MLX5_SET64(cqc, cqctx, dbr_addr, attr->db_addr);
1928 	}
1929 	MLX5_SET(cqc, cqctx, cqe_sz, (RTE_CACHE_LINE_SIZE == 128) ?
1930 				     MLX5_CQE_SIZE_128B : MLX5_CQE_SIZE_64B);
1931 	MLX5_SET(cqc, cqctx, cc, attr->use_first_only);
1932 	MLX5_SET(cqc, cqctx, oi, attr->overrun_ignore);
1933 	MLX5_SET(cqc, cqctx, log_cq_size, attr->log_cq_size);
1934 	if (attr->log_page_size > MLX5_ADAPTER_PAGE_SHIFT)
1935 		MLX5_SET(cqc, cqctx, log_page_size,
1936 			 attr->log_page_size - MLX5_ADAPTER_PAGE_SHIFT);
1937 	MLX5_SET(cqc, cqctx, c_eqn, attr->eqn);
1938 	MLX5_SET(cqc, cqctx, uar_page, attr->uar_page_id);
1939 	MLX5_SET(cqc, cqctx, cqe_comp_en, !!attr->cqe_comp_en);
1940 	MLX5_SET(cqc, cqctx, mini_cqe_res_format, attr->mini_cqe_res_format);
1941 	MLX5_SET(cqc, cqctx, mini_cqe_res_format_ext,
1942 		 attr->mini_cqe_res_format_ext);
1943 	if (attr->q_umem_valid) {
1944 		MLX5_SET(create_cq_in, in, cq_umem_valid, attr->q_umem_valid);
1945 		MLX5_SET(create_cq_in, in, cq_umem_id, attr->q_umem_id);
1946 		MLX5_SET64(create_cq_in, in, cq_umem_offset,
1947 			   attr->q_umem_offset);
1948 	}
1949 	cq_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in), out,
1950 						 sizeof(out));
1951 	if (!cq_obj->obj) {
1952 		rte_errno = errno;
1953 		DRV_LOG(ERR, "Failed to create CQ using DevX errno=%d.", errno);
1954 		mlx5_free(cq_obj);
1955 		return NULL;
1956 	}
1957 	cq_obj->id = MLX5_GET(create_cq_out, out, cqn);
1958 	return cq_obj;
1959 }
1960 
1961 /**
1962  * Create VIRTQ using DevX API.
1963  *
1964  * @param[in] ctx
1965  *   Context returned from mlx5 open_device() glue function.
1966  * @param [in] attr
1967  *   Pointer to VIRTQ attributes structure.
1968  *
1969  * @return
1970  *   The DevX object created, NULL otherwise and rte_errno is set.
1971  */
1972 struct mlx5_devx_obj *
1973 mlx5_devx_cmd_create_virtq(void *ctx,
1974 			   struct mlx5_devx_virtq_attr *attr)
1975 {
1976 	uint32_t in[MLX5_ST_SZ_DW(create_virtq_in)] = {0};
1977 	uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0};
1978 	struct mlx5_devx_obj *virtq_obj = mlx5_malloc(MLX5_MEM_ZERO,
1979 						     sizeof(*virtq_obj),
1980 						     0, SOCKET_ID_ANY);
1981 	void *virtq = MLX5_ADDR_OF(create_virtq_in, in, virtq);
1982 	void *hdr = MLX5_ADDR_OF(create_virtq_in, in, hdr);
1983 	void *virtctx = MLX5_ADDR_OF(virtio_net_q, virtq, virtio_q_context);
1984 
1985 	if (!virtq_obj) {
1986 		DRV_LOG(ERR, "Failed to allocate virtq data.");
1987 		rte_errno = ENOMEM;
1988 		return NULL;
1989 	}
1990 	MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
1991 		 MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
1992 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
1993 		 MLX5_GENERAL_OBJ_TYPE_VIRTQ);
1994 	MLX5_SET16(virtio_net_q, virtq, hw_available_index,
1995 		   attr->hw_available_index);
1996 	MLX5_SET16(virtio_net_q, virtq, hw_used_index, attr->hw_used_index);
1997 	MLX5_SET16(virtio_net_q, virtq, tso_ipv4, attr->tso_ipv4);
1998 	MLX5_SET16(virtio_net_q, virtq, tso_ipv6, attr->tso_ipv6);
1999 	MLX5_SET16(virtio_net_q, virtq, tx_csum, attr->tx_csum);
2000 	MLX5_SET16(virtio_net_q, virtq, rx_csum, attr->rx_csum);
2001 	MLX5_SET16(virtio_q, virtctx, virtio_version_1_0,
2002 		   attr->virtio_version_1_0);
2003 	MLX5_SET16(virtio_q, virtctx, event_mode, attr->event_mode);
2004 	MLX5_SET(virtio_q, virtctx, event_qpn_or_msix, attr->qp_id);
2005 	MLX5_SET64(virtio_q, virtctx, desc_addr, attr->desc_addr);
2006 	MLX5_SET64(virtio_q, virtctx, used_addr, attr->used_addr);
2007 	MLX5_SET64(virtio_q, virtctx, available_addr, attr->available_addr);
2008 	MLX5_SET16(virtio_q, virtctx, queue_index, attr->queue_index);
2009 	MLX5_SET16(virtio_q, virtctx, queue_size, attr->q_size);
2010 	MLX5_SET(virtio_q, virtctx, virtio_q_mkey, attr->mkey);
2011 	MLX5_SET(virtio_q, virtctx, umem_1_id, attr->umems[0].id);
2012 	MLX5_SET(virtio_q, virtctx, umem_1_size, attr->umems[0].size);
2013 	MLX5_SET64(virtio_q, virtctx, umem_1_offset, attr->umems[0].offset);
2014 	MLX5_SET(virtio_q, virtctx, umem_2_id, attr->umems[1].id);
2015 	MLX5_SET(virtio_q, virtctx, umem_2_size, attr->umems[1].size);
2016 	MLX5_SET64(virtio_q, virtctx, umem_2_offset, attr->umems[1].offset);
2017 	MLX5_SET(virtio_q, virtctx, umem_3_id, attr->umems[2].id);
2018 	MLX5_SET(virtio_q, virtctx, umem_3_size, attr->umems[2].size);
2019 	MLX5_SET64(virtio_q, virtctx, umem_3_offset, attr->umems[2].offset);
2020 	MLX5_SET(virtio_q, virtctx, counter_set_id, attr->counters_obj_id);
2021 	MLX5_SET(virtio_q, virtctx, pd, attr->pd);
2022 	MLX5_SET(virtio_q, virtctx, queue_period_mode, attr->hw_latency_mode);
2023 	MLX5_SET(virtio_q, virtctx, queue_period_us, attr->hw_max_latency_us);
2024 	MLX5_SET(virtio_q, virtctx, queue_max_count, attr->hw_max_pending_comp);
2025 	MLX5_SET(virtio_net_q, virtq, tisn_or_qpn, attr->tis_id);
2026 	virtq_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in), out,
2027 						    sizeof(out));
2028 	if (!virtq_obj->obj) {
2029 		rte_errno = errno;
2030 		DRV_LOG(ERR, "Failed to create VIRTQ Obj using DevX.");
2031 		mlx5_free(virtq_obj);
2032 		return NULL;
2033 	}
2034 	virtq_obj->id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
2035 	return virtq_obj;
2036 }
2037 
2038 /**
2039  * Modify VIRTQ using DevX API.
2040  *
2041  * @param[in] virtq_obj
2042  *   Pointer to virtq object structure.
2043  * @param [in] attr
2044  *   Pointer to modify virtq attributes structure.
2045  *
2046  * @return
2047  *   0 on success, a negative errno value otherwise and rte_errno is set.
2048  */
2049 int
2050 mlx5_devx_cmd_modify_virtq(struct mlx5_devx_obj *virtq_obj,
2051 			   struct mlx5_devx_virtq_attr *attr)
2052 {
2053 	uint32_t in[MLX5_ST_SZ_DW(create_virtq_in)] = {0};
2054 	uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0};
2055 	void *virtq = MLX5_ADDR_OF(create_virtq_in, in, virtq);
2056 	void *hdr = MLX5_ADDR_OF(create_virtq_in, in, hdr);
2057 	void *virtctx = MLX5_ADDR_OF(virtio_net_q, virtq, virtio_q_context);
2058 	int ret;
2059 
2060 	MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
2061 		 MLX5_CMD_OP_MODIFY_GENERAL_OBJECT);
2062 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
2063 		 MLX5_GENERAL_OBJ_TYPE_VIRTQ);
2064 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_id, virtq_obj->id);
2065 	MLX5_SET64(virtio_net_q, virtq, modify_field_select, attr->type);
2066 	MLX5_SET16(virtio_q, virtctx, queue_index, attr->queue_index);
2067 	switch (attr->type) {
2068 	case MLX5_VIRTQ_MODIFY_TYPE_STATE:
2069 		MLX5_SET16(virtio_net_q, virtq, state, attr->state);
2070 		break;
2071 	case MLX5_VIRTQ_MODIFY_TYPE_DIRTY_BITMAP_PARAMS:
2072 		MLX5_SET(virtio_net_q, virtq, dirty_bitmap_mkey,
2073 			 attr->dirty_bitmap_mkey);
2074 		MLX5_SET64(virtio_net_q, virtq, dirty_bitmap_addr,
2075 			 attr->dirty_bitmap_addr);
2076 		MLX5_SET(virtio_net_q, virtq, dirty_bitmap_size,
2077 			 attr->dirty_bitmap_size);
2078 		break;
2079 	case MLX5_VIRTQ_MODIFY_TYPE_DIRTY_BITMAP_DUMP_ENABLE:
2080 		MLX5_SET(virtio_net_q, virtq, dirty_bitmap_dump_enable,
2081 			 attr->dirty_bitmap_dump_enable);
2082 		break;
2083 	default:
2084 		rte_errno = EINVAL;
2085 		return -rte_errno;
2086 	}
2087 	ret = mlx5_glue->devx_obj_modify(virtq_obj->obj, in, sizeof(in),
2088 					 out, sizeof(out));
2089 	if (ret) {
2090 		DRV_LOG(ERR, "Failed to modify VIRTQ using DevX.");
2091 		rte_errno = errno;
2092 		return -rte_errno;
2093 	}
2094 	return ret;
2095 }
2096 
2097 /**
2098  * Query VIRTQ using DevX API.
2099  *
2100  * @param[in] virtq_obj
2101  *   Pointer to virtq object structure.
2102  * @param [in/out] attr
2103  *   Pointer to virtq attributes structure.
2104  *
2105  * @return
2106  *   0 on success, a negative errno value otherwise and rte_errno is set.
2107  */
2108 int
2109 mlx5_devx_cmd_query_virtq(struct mlx5_devx_obj *virtq_obj,
2110 			   struct mlx5_devx_virtq_attr *attr)
2111 {
2112 	uint32_t in[MLX5_ST_SZ_DW(general_obj_in_cmd_hdr)] = {0};
2113 	uint32_t out[MLX5_ST_SZ_DW(query_virtq_out)] = {0};
2114 	void *hdr = MLX5_ADDR_OF(query_virtq_out, in, hdr);
2115 	void *virtq = MLX5_ADDR_OF(query_virtq_out, out, virtq);
2116 	int ret;
2117 
2118 	MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
2119 		 MLX5_CMD_OP_QUERY_GENERAL_OBJECT);
2120 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
2121 		 MLX5_GENERAL_OBJ_TYPE_VIRTQ);
2122 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_id, virtq_obj->id);
2123 	ret = mlx5_glue->devx_obj_query(virtq_obj->obj, in, sizeof(in),
2124 					 out, sizeof(out));
2125 	if (ret) {
2126 		DRV_LOG(ERR, "Failed to modify VIRTQ using DevX.");
2127 		rte_errno = errno;
2128 		return -errno;
2129 	}
2130 	attr->hw_available_index = MLX5_GET16(virtio_net_q, virtq,
2131 					      hw_available_index);
2132 	attr->hw_used_index = MLX5_GET16(virtio_net_q, virtq, hw_used_index);
2133 	attr->state = MLX5_GET16(virtio_net_q, virtq, state);
2134 	attr->error_type = MLX5_GET16(virtio_net_q, virtq,
2135 				      virtio_q_context.error_type);
2136 	return ret;
2137 }
2138 
2139 /**
2140  * Create QP using DevX API.
2141  *
2142  * @param[in] ctx
2143  *   Context returned from mlx5 open_device() glue function.
2144  * @param [in] attr
2145  *   Pointer to QP attributes structure.
2146  *
2147  * @return
2148  *   The DevX object created, NULL otherwise and rte_errno is set.
2149  */
2150 struct mlx5_devx_obj *
2151 mlx5_devx_cmd_create_qp(void *ctx,
2152 			struct mlx5_devx_qp_attr *attr)
2153 {
2154 	uint32_t in[MLX5_ST_SZ_DW(create_qp_in)] = {0};
2155 	uint32_t out[MLX5_ST_SZ_DW(create_qp_out)] = {0};
2156 	struct mlx5_devx_obj *qp_obj = mlx5_malloc(MLX5_MEM_ZERO,
2157 						   sizeof(*qp_obj),
2158 						   0, SOCKET_ID_ANY);
2159 	void *qpc = MLX5_ADDR_OF(create_qp_in, in, qpc);
2160 
2161 	if (!qp_obj) {
2162 		DRV_LOG(ERR, "Failed to allocate QP data.");
2163 		rte_errno = ENOMEM;
2164 		return NULL;
2165 	}
2166 	MLX5_SET(create_qp_in, in, opcode, MLX5_CMD_OP_CREATE_QP);
2167 	MLX5_SET(qpc, qpc, st, MLX5_QP_ST_RC);
2168 	MLX5_SET(qpc, qpc, pd, attr->pd);
2169 	MLX5_SET(qpc, qpc, ts_format, attr->ts_format);
2170 	MLX5_SET(qpc, qpc, user_index, attr->user_index);
2171 	if (attr->uar_index) {
2172 		if (attr->mmo) {
2173 			void *qpc_ext_and_pas_list = MLX5_ADDR_OF(create_qp_in,
2174 				in, qpc_extension_and_pas_list);
2175 			void *qpc_ext = MLX5_ADDR_OF(qpc_extension_and_pas_list,
2176 				qpc_ext_and_pas_list, qpc_data_extension);
2177 
2178 			MLX5_SET(create_qp_in, in, qpc_ext, 1);
2179 			MLX5_SET(qpc_extension, qpc_ext, mmo, 1);
2180 		}
2181 		MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED);
2182 		MLX5_SET(qpc, qpc, uar_page, attr->uar_index);
2183 		if (attr->log_page_size > MLX5_ADAPTER_PAGE_SHIFT)
2184 			MLX5_SET(qpc, qpc, log_page_size,
2185 				 attr->log_page_size - MLX5_ADAPTER_PAGE_SHIFT);
2186 		if (attr->num_of_send_wqbbs) {
2187 			MLX5_ASSERT(RTE_IS_POWER_OF_2(attr->num_of_send_wqbbs));
2188 			MLX5_SET(qpc, qpc, cqn_snd, attr->cqn);
2189 			MLX5_SET(qpc, qpc, log_sq_size,
2190 				 rte_log2_u32(attr->num_of_send_wqbbs));
2191 		} else {
2192 			MLX5_SET(qpc, qpc, no_sq, 1);
2193 		}
2194 		if (attr->num_of_receive_wqes) {
2195 			MLX5_ASSERT(RTE_IS_POWER_OF_2(
2196 					attr->num_of_receive_wqes));
2197 			MLX5_SET(qpc, qpc, cqn_rcv, attr->cqn);
2198 			MLX5_SET(qpc, qpc, log_rq_stride, attr->log_rq_stride -
2199 				 MLX5_LOG_RQ_STRIDE_SHIFT);
2200 			MLX5_SET(qpc, qpc, log_rq_size,
2201 				 rte_log2_u32(attr->num_of_receive_wqes));
2202 			MLX5_SET(qpc, qpc, rq_type, MLX5_NON_ZERO_RQ);
2203 		} else {
2204 			MLX5_SET(qpc, qpc, rq_type, MLX5_ZERO_LEN_RQ);
2205 		}
2206 		if (attr->dbr_umem_valid) {
2207 			MLX5_SET(qpc, qpc, dbr_umem_valid,
2208 				 attr->dbr_umem_valid);
2209 			MLX5_SET(qpc, qpc, dbr_umem_id, attr->dbr_umem_id);
2210 		}
2211 		MLX5_SET64(qpc, qpc, dbr_addr, attr->dbr_address);
2212 		MLX5_SET64(create_qp_in, in, wq_umem_offset,
2213 			   attr->wq_umem_offset);
2214 		MLX5_SET(create_qp_in, in, wq_umem_id, attr->wq_umem_id);
2215 		MLX5_SET(create_qp_in, in, wq_umem_valid, 1);
2216 	} else {
2217 		/* Special QP to be managed by FW - no SQ\RQ\CQ\UAR\DB rec. */
2218 		MLX5_SET(qpc, qpc, rq_type, MLX5_ZERO_LEN_RQ);
2219 		MLX5_SET(qpc, qpc, no_sq, 1);
2220 	}
2221 	qp_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in), out,
2222 						 sizeof(out));
2223 	if (!qp_obj->obj) {
2224 		rte_errno = errno;
2225 		DRV_LOG(ERR, "Failed to create QP Obj using DevX.");
2226 		mlx5_free(qp_obj);
2227 		return NULL;
2228 	}
2229 	qp_obj->id = MLX5_GET(create_qp_out, out, qpn);
2230 	return qp_obj;
2231 }
2232 
2233 /**
2234  * Modify QP using DevX API.
2235  * Currently supports only force loop-back QP.
2236  *
2237  * @param[in] qp
2238  *   Pointer to QP object structure.
2239  * @param [in] qp_st_mod_op
2240  *   The QP state modification operation.
2241  * @param [in] remote_qp_id
2242  *   The remote QP ID for MLX5_CMD_OP_INIT2RTR_QP operation.
2243  *
2244  * @return
2245  *   0 on success, a negative errno value otherwise and rte_errno is set.
2246  */
2247 int
2248 mlx5_devx_cmd_modify_qp_state(struct mlx5_devx_obj *qp, uint32_t qp_st_mod_op,
2249 			      uint32_t remote_qp_id)
2250 {
2251 	union {
2252 		uint32_t rst2init[MLX5_ST_SZ_DW(rst2init_qp_in)];
2253 		uint32_t init2rtr[MLX5_ST_SZ_DW(init2rtr_qp_in)];
2254 		uint32_t rtr2rts[MLX5_ST_SZ_DW(rtr2rts_qp_in)];
2255 	} in;
2256 	union {
2257 		uint32_t rst2init[MLX5_ST_SZ_DW(rst2init_qp_out)];
2258 		uint32_t init2rtr[MLX5_ST_SZ_DW(init2rtr_qp_out)];
2259 		uint32_t rtr2rts[MLX5_ST_SZ_DW(rtr2rts_qp_out)];
2260 	} out;
2261 	void *qpc;
2262 	int ret;
2263 	unsigned int inlen;
2264 	unsigned int outlen;
2265 
2266 	memset(&in, 0, sizeof(in));
2267 	memset(&out, 0, sizeof(out));
2268 	MLX5_SET(rst2init_qp_in, &in, opcode, qp_st_mod_op);
2269 	switch (qp_st_mod_op) {
2270 	case MLX5_CMD_OP_RST2INIT_QP:
2271 		MLX5_SET(rst2init_qp_in, &in, qpn, qp->id);
2272 		qpc = MLX5_ADDR_OF(rst2init_qp_in, &in, qpc);
2273 		MLX5_SET(qpc, qpc, primary_address_path.vhca_port_num, 1);
2274 		MLX5_SET(qpc, qpc, rre, 1);
2275 		MLX5_SET(qpc, qpc, rwe, 1);
2276 		MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED);
2277 		inlen = sizeof(in.rst2init);
2278 		outlen = sizeof(out.rst2init);
2279 		break;
2280 	case MLX5_CMD_OP_INIT2RTR_QP:
2281 		MLX5_SET(init2rtr_qp_in, &in, qpn, qp->id);
2282 		qpc = MLX5_ADDR_OF(init2rtr_qp_in, &in, qpc);
2283 		MLX5_SET(qpc, qpc, primary_address_path.fl, 1);
2284 		MLX5_SET(qpc, qpc, primary_address_path.vhca_port_num, 1);
2285 		MLX5_SET(qpc, qpc, mtu, 1);
2286 		MLX5_SET(qpc, qpc, log_msg_max, 30);
2287 		MLX5_SET(qpc, qpc, remote_qpn, remote_qp_id);
2288 		MLX5_SET(qpc, qpc, min_rnr_nak, 0);
2289 		inlen = sizeof(in.init2rtr);
2290 		outlen = sizeof(out.init2rtr);
2291 		break;
2292 	case MLX5_CMD_OP_RTR2RTS_QP:
2293 		qpc = MLX5_ADDR_OF(rtr2rts_qp_in, &in, qpc);
2294 		MLX5_SET(rtr2rts_qp_in, &in, qpn, qp->id);
2295 		MLX5_SET(qpc, qpc, primary_address_path.ack_timeout, 16);
2296 		MLX5_SET(qpc, qpc, log_ack_req_freq, 0);
2297 		MLX5_SET(qpc, qpc, retry_count, 7);
2298 		MLX5_SET(qpc, qpc, rnr_retry, 7);
2299 		inlen = sizeof(in.rtr2rts);
2300 		outlen = sizeof(out.rtr2rts);
2301 		break;
2302 	default:
2303 		DRV_LOG(ERR, "Invalid or unsupported QP modify op %u.",
2304 			qp_st_mod_op);
2305 		rte_errno = EINVAL;
2306 		return -rte_errno;
2307 	}
2308 	ret = mlx5_glue->devx_obj_modify(qp->obj, &in, inlen, &out, outlen);
2309 	if (ret) {
2310 		DRV_LOG(ERR, "Failed to modify QP using DevX.");
2311 		rte_errno = errno;
2312 		return -rte_errno;
2313 	}
2314 	return ret;
2315 }
2316 
2317 struct mlx5_devx_obj *
2318 mlx5_devx_cmd_create_virtio_q_counters(void *ctx)
2319 {
2320 	uint32_t in[MLX5_ST_SZ_DW(create_virtio_q_counters_in)] = {0};
2321 	uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0};
2322 	struct mlx5_devx_obj *couners_obj = mlx5_malloc(MLX5_MEM_ZERO,
2323 						       sizeof(*couners_obj), 0,
2324 						       SOCKET_ID_ANY);
2325 	void *hdr = MLX5_ADDR_OF(create_virtio_q_counters_in, in, hdr);
2326 
2327 	if (!couners_obj) {
2328 		DRV_LOG(ERR, "Failed to allocate virtio queue counters data.");
2329 		rte_errno = ENOMEM;
2330 		return NULL;
2331 	}
2332 	MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
2333 		 MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
2334 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
2335 		 MLX5_GENERAL_OBJ_TYPE_VIRTIO_Q_COUNTERS);
2336 	couners_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in), out,
2337 						      sizeof(out));
2338 	if (!couners_obj->obj) {
2339 		rte_errno = errno;
2340 		DRV_LOG(ERR, "Failed to create virtio queue counters Obj using"
2341 			" DevX.");
2342 		mlx5_free(couners_obj);
2343 		return NULL;
2344 	}
2345 	couners_obj->id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
2346 	return couners_obj;
2347 }
2348 
2349 int
2350 mlx5_devx_cmd_query_virtio_q_counters(struct mlx5_devx_obj *couners_obj,
2351 				   struct mlx5_devx_virtio_q_couners_attr *attr)
2352 {
2353 	uint32_t in[MLX5_ST_SZ_DW(general_obj_in_cmd_hdr)] = {0};
2354 	uint32_t out[MLX5_ST_SZ_DW(query_virtio_q_counters_out)] = {0};
2355 	void *hdr = MLX5_ADDR_OF(query_virtio_q_counters_out, in, hdr);
2356 	void *virtio_q_counters = MLX5_ADDR_OF(query_virtio_q_counters_out, out,
2357 					       virtio_q_counters);
2358 	int ret;
2359 
2360 	MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
2361 		 MLX5_CMD_OP_QUERY_GENERAL_OBJECT);
2362 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
2363 		 MLX5_GENERAL_OBJ_TYPE_VIRTIO_Q_COUNTERS);
2364 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_id, couners_obj->id);
2365 	ret = mlx5_glue->devx_obj_query(couners_obj->obj, in, sizeof(in), out,
2366 					sizeof(out));
2367 	if (ret) {
2368 		DRV_LOG(ERR, "Failed to query virtio q counters using DevX.");
2369 		rte_errno = errno;
2370 		return -errno;
2371 	}
2372 	attr->received_desc = MLX5_GET64(virtio_q_counters, virtio_q_counters,
2373 					 received_desc);
2374 	attr->completed_desc = MLX5_GET64(virtio_q_counters, virtio_q_counters,
2375 					  completed_desc);
2376 	attr->error_cqes = MLX5_GET(virtio_q_counters, virtio_q_counters,
2377 				    error_cqes);
2378 	attr->bad_desc_errors = MLX5_GET(virtio_q_counters, virtio_q_counters,
2379 					 bad_desc_errors);
2380 	attr->exceed_max_chain = MLX5_GET(virtio_q_counters, virtio_q_counters,
2381 					  exceed_max_chain);
2382 	attr->invalid_buffer = MLX5_GET(virtio_q_counters, virtio_q_counters,
2383 					invalid_buffer);
2384 	return ret;
2385 }
2386 
2387 /**
2388  * Create general object of type FLOW_HIT_ASO using DevX API.
2389  *
2390  * @param[in] ctx
2391  *   Context returned from mlx5 open_device() glue function.
2392  * @param [in] pd
2393  *   PD value to associate the FLOW_HIT_ASO object with.
2394  *
2395  * @return
2396  *   The DevX object created, NULL otherwise and rte_errno is set.
2397  */
2398 struct mlx5_devx_obj *
2399 mlx5_devx_cmd_create_flow_hit_aso_obj(void *ctx, uint32_t pd)
2400 {
2401 	uint32_t in[MLX5_ST_SZ_DW(create_flow_hit_aso_in)] = {0};
2402 	uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0};
2403 	struct mlx5_devx_obj *flow_hit_aso_obj = NULL;
2404 	void *ptr = NULL;
2405 
2406 	flow_hit_aso_obj = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*flow_hit_aso_obj),
2407 				       0, SOCKET_ID_ANY);
2408 	if (!flow_hit_aso_obj) {
2409 		DRV_LOG(ERR, "Failed to allocate FLOW_HIT_ASO object data");
2410 		rte_errno = ENOMEM;
2411 		return NULL;
2412 	}
2413 	ptr = MLX5_ADDR_OF(create_flow_hit_aso_in, in, hdr);
2414 	MLX5_SET(general_obj_in_cmd_hdr, ptr, opcode,
2415 		 MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
2416 	MLX5_SET(general_obj_in_cmd_hdr, ptr, obj_type,
2417 		 MLX5_GENERAL_OBJ_TYPE_FLOW_HIT_ASO);
2418 	ptr = MLX5_ADDR_OF(create_flow_hit_aso_in, in, flow_hit_aso);
2419 	MLX5_SET(flow_hit_aso, ptr, access_pd, pd);
2420 	flow_hit_aso_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
2421 							   out, sizeof(out));
2422 	if (!flow_hit_aso_obj->obj) {
2423 		rte_errno = errno;
2424 		DRV_LOG(ERR, "Failed to create FLOW_HIT_ASO obj using DevX.");
2425 		mlx5_free(flow_hit_aso_obj);
2426 		return NULL;
2427 	}
2428 	flow_hit_aso_obj->id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
2429 	return flow_hit_aso_obj;
2430 }
2431 
2432 /*
2433  * Create PD using DevX API.
2434  *
2435  * @param[in] ctx
2436  *   Context returned from mlx5 open_device() glue function.
2437  *
2438  * @return
2439  *   The DevX object created, NULL otherwise and rte_errno is set.
2440  */
2441 struct mlx5_devx_obj *
2442 mlx5_devx_cmd_alloc_pd(void *ctx)
2443 {
2444 	struct mlx5_devx_obj *ppd =
2445 		mlx5_malloc(MLX5_MEM_ZERO, sizeof(*ppd), 0, SOCKET_ID_ANY);
2446 	u32 in[MLX5_ST_SZ_DW(alloc_pd_in)] = {0};
2447 	u32 out[MLX5_ST_SZ_DW(alloc_pd_out)] = {0};
2448 
2449 	if (!ppd) {
2450 		DRV_LOG(ERR, "Failed to allocate PD data.");
2451 		rte_errno = ENOMEM;
2452 		return NULL;
2453 	}
2454 	MLX5_SET(alloc_pd_in, in, opcode, MLX5_CMD_OP_ALLOC_PD);
2455 	ppd->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
2456 				out, sizeof(out));
2457 	if (!ppd->obj) {
2458 		mlx5_free(ppd);
2459 		DRV_LOG(ERR, "Failed to allocate PD Obj using DevX.");
2460 		rte_errno = errno;
2461 		return NULL;
2462 	}
2463 	ppd->id = MLX5_GET(alloc_pd_out, out, pd);
2464 	return ppd;
2465 }
2466 
2467 /**
2468  * Create general object of type FLOW_METER_ASO using DevX API.
2469  *
2470  * @param[in] ctx
2471  *   Context returned from mlx5 open_device() glue function.
2472  * @param [in] pd
2473  *   PD value to associate the FLOW_METER_ASO object with.
2474  * @param [in] log_obj_size
2475  *   log_obj_size define to allocate number of 2 * meters
2476  *   in one FLOW_METER_ASO object.
2477  *
2478  * @return
2479  *   The DevX object created, NULL otherwise and rte_errno is set.
2480  */
2481 struct mlx5_devx_obj *
2482 mlx5_devx_cmd_create_flow_meter_aso_obj(void *ctx, uint32_t pd,
2483 						uint32_t log_obj_size)
2484 {
2485 	uint32_t in[MLX5_ST_SZ_DW(create_flow_meter_aso_in)] = {0};
2486 	uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)];
2487 	struct mlx5_devx_obj *flow_meter_aso_obj;
2488 	void *ptr;
2489 
2490 	flow_meter_aso_obj = mlx5_malloc(MLX5_MEM_ZERO,
2491 						sizeof(*flow_meter_aso_obj),
2492 						0, SOCKET_ID_ANY);
2493 	if (!flow_meter_aso_obj) {
2494 		DRV_LOG(ERR, "Failed to allocate FLOW_METER_ASO object data");
2495 		rte_errno = ENOMEM;
2496 		return NULL;
2497 	}
2498 	ptr = MLX5_ADDR_OF(create_flow_meter_aso_in, in, hdr);
2499 	MLX5_SET(general_obj_in_cmd_hdr, ptr, opcode,
2500 		MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
2501 	MLX5_SET(general_obj_in_cmd_hdr, ptr, obj_type,
2502 		MLX5_GENERAL_OBJ_TYPE_FLOW_METER_ASO);
2503 	MLX5_SET(general_obj_in_cmd_hdr, ptr, log_obj_range,
2504 		log_obj_size);
2505 	ptr = MLX5_ADDR_OF(create_flow_meter_aso_in, in, flow_meter_aso);
2506 	MLX5_SET(flow_meter_aso, ptr, access_pd, pd);
2507 	flow_meter_aso_obj->obj = mlx5_glue->devx_obj_create(
2508 							ctx, in, sizeof(in),
2509 							out, sizeof(out));
2510 	if (!flow_meter_aso_obj->obj) {
2511 		rte_errno = errno;
2512 		DRV_LOG(ERR, "Failed to create FLOW_METER_ASO obj using DevX.");
2513 		mlx5_free(flow_meter_aso_obj);
2514 		return NULL;
2515 	}
2516 	flow_meter_aso_obj->id = MLX5_GET(general_obj_out_cmd_hdr,
2517 								out, obj_id);
2518 	return flow_meter_aso_obj;
2519 }
2520 
2521 /*
2522  * Create general object of type CONN_TRACK_OFFLOAD using DevX API.
2523  *
2524  * @param[in] ctx
2525  *   Context returned from mlx5 open_device() glue function.
2526  * @param [in] pd
2527  *   PD value to associate the CONN_TRACK_OFFLOAD ASO object with.
2528  * @param [in] log_obj_size
2529  *   log_obj_size to allocate its power of 2 * objects
2530  *   in one CONN_TRACK_OFFLOAD bulk allocation.
2531  *
2532  * @return
2533  *   The DevX object created, NULL otherwise and rte_errno is set.
2534  */
2535 struct mlx5_devx_obj *
2536 mlx5_devx_cmd_create_conn_track_offload_obj(void *ctx, uint32_t pd,
2537 					    uint32_t log_obj_size)
2538 {
2539 	uint32_t in[MLX5_ST_SZ_DW(create_conn_track_aso_in)] = {0};
2540 	uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)];
2541 	struct mlx5_devx_obj *ct_aso_obj;
2542 	void *ptr;
2543 
2544 	ct_aso_obj = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*ct_aso_obj),
2545 				 0, SOCKET_ID_ANY);
2546 	if (!ct_aso_obj) {
2547 		DRV_LOG(ERR, "Failed to allocate CONN_TRACK_OFFLOAD object.");
2548 		rte_errno = ENOMEM;
2549 		return NULL;
2550 	}
2551 	ptr = MLX5_ADDR_OF(create_conn_track_aso_in, in, hdr);
2552 	MLX5_SET(general_obj_in_cmd_hdr, ptr, opcode,
2553 		 MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
2554 	MLX5_SET(general_obj_in_cmd_hdr, ptr, obj_type,
2555 		 MLX5_GENERAL_OBJ_TYPE_CONN_TRACK_OFFLOAD);
2556 	MLX5_SET(general_obj_in_cmd_hdr, ptr, log_obj_range, log_obj_size);
2557 	ptr = MLX5_ADDR_OF(create_conn_track_aso_in, in, conn_track_offload);
2558 	MLX5_SET(conn_track_offload, ptr, conn_track_aso_access_pd, pd);
2559 	ct_aso_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
2560 						     out, sizeof(out));
2561 	if (!ct_aso_obj->obj) {
2562 		rte_errno = errno;
2563 		DRV_LOG(ERR, "Failed to create CONN_TRACK_OFFLOAD obj by using DevX.");
2564 		mlx5_free(ct_aso_obj);
2565 		return NULL;
2566 	}
2567 	ct_aso_obj->id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
2568 	return ct_aso_obj;
2569 }
2570 
2571 /**
2572  * Create general object of type GENEVE TLV option using DevX API.
2573  *
2574  * @param[in] ctx
2575  *   Context returned from mlx5 open_device() glue function.
2576  * @param [in] class
2577  *   TLV option variable value of class
2578  * @param [in] type
2579  *   TLV option variable value of type
2580  * @param [in] len
2581  *   TLV option variable value of len
2582  *
2583  * @return
2584  *   The DevX object created, NULL otherwise and rte_errno is set.
2585  */
2586 struct mlx5_devx_obj *
2587 mlx5_devx_cmd_create_geneve_tlv_option(void *ctx,
2588 		uint16_t class, uint8_t type, uint8_t len)
2589 {
2590 	uint32_t in[MLX5_ST_SZ_DW(create_geneve_tlv_option_in)] = {0};
2591 	uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0};
2592 	struct mlx5_devx_obj *geneve_tlv_opt_obj = mlx5_malloc(MLX5_MEM_ZERO,
2593 						   sizeof(*geneve_tlv_opt_obj),
2594 						   0, SOCKET_ID_ANY);
2595 
2596 	if (!geneve_tlv_opt_obj) {
2597 		DRV_LOG(ERR, "Failed to allocate geneve tlv option object.");
2598 		rte_errno = ENOMEM;
2599 		return NULL;
2600 	}
2601 	void *hdr = MLX5_ADDR_OF(create_geneve_tlv_option_in, in, hdr);
2602 	void *opt = MLX5_ADDR_OF(create_geneve_tlv_option_in, in,
2603 			geneve_tlv_opt);
2604 	MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
2605 			MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
2606 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
2607 		 MLX5_GENERAL_OBJ_TYPE_GENEVE_TLV_OPT);
2608 	MLX5_SET(geneve_tlv_option, opt, option_class,
2609 			rte_be_to_cpu_16(class));
2610 	MLX5_SET(geneve_tlv_option, opt, option_type, type);
2611 	MLX5_SET(geneve_tlv_option, opt, option_data_length, len);
2612 	geneve_tlv_opt_obj->obj = mlx5_glue->devx_obj_create(ctx, in,
2613 					sizeof(in), out, sizeof(out));
2614 	if (!geneve_tlv_opt_obj->obj) {
2615 		rte_errno = errno;
2616 		DRV_LOG(ERR, "Failed to create Geneve tlv option "
2617 				"Obj using DevX.");
2618 		mlx5_free(geneve_tlv_opt_obj);
2619 		return NULL;
2620 	}
2621 	geneve_tlv_opt_obj->id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
2622 	return geneve_tlv_opt_obj;
2623 }
2624 
2625 int
2626 mlx5_devx_cmd_wq_query(void *wq, uint32_t *counter_set_id)
2627 {
2628 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
2629 	uint32_t in[MLX5_ST_SZ_DW(query_rq_in)] = {0};
2630 	uint32_t out[MLX5_ST_SZ_DW(query_rq_out)] = {0};
2631 	int rc;
2632 	void *rq_ctx;
2633 
2634 	MLX5_SET(query_rq_in, in, opcode, MLX5_CMD_OP_QUERY_RQ);
2635 	MLX5_SET(query_rq_in, in, rqn, ((struct ibv_wq *)wq)->wq_num);
2636 	rc = mlx5_glue->devx_wq_query(wq, in, sizeof(in), out, sizeof(out));
2637 	if (rc) {
2638 		rte_errno = errno;
2639 		DRV_LOG(ERR, "Failed to query WQ counter set ID using DevX - "
2640 			"rc = %d, errno = %d.", rc, errno);
2641 		return -rc;
2642 	};
2643 	rq_ctx = MLX5_ADDR_OF(query_rq_out, out, rq_context);
2644 	*counter_set_id = MLX5_GET(rqc, rq_ctx, counter_set_id);
2645 	return 0;
2646 #else
2647 	(void)wq;
2648 	(void)counter_set_id;
2649 	return -ENOTSUP;
2650 #endif
2651 }
2652 
2653 /*
2654  * Allocate queue counters via devx interface.
2655  *
2656  * @param[in] ctx
2657  *   Context returned from mlx5 open_device() glue function.
2658  *
2659  * @return
2660  *   Pointer to counter object on success, a NULL value otherwise and
2661  *   rte_errno is set.
2662  */
2663 struct mlx5_devx_obj *
2664 mlx5_devx_cmd_queue_counter_alloc(void *ctx)
2665 {
2666 	struct mlx5_devx_obj *dcs = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*dcs), 0,
2667 						SOCKET_ID_ANY);
2668 	uint32_t in[MLX5_ST_SZ_DW(alloc_q_counter_in)]   = {0};
2669 	uint32_t out[MLX5_ST_SZ_DW(alloc_q_counter_out)] = {0};
2670 
2671 	if (!dcs) {
2672 		rte_errno = ENOMEM;
2673 		return NULL;
2674 	}
2675 	MLX5_SET(alloc_q_counter_in, in, opcode, MLX5_CMD_OP_ALLOC_Q_COUNTER);
2676 	dcs->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in), out,
2677 					      sizeof(out));
2678 	if (!dcs->obj) {
2679 		DRV_LOG(DEBUG, "Can't allocate q counter set by DevX - error "
2680 			"%d.", errno);
2681 		rte_errno = errno;
2682 		mlx5_free(dcs);
2683 		return NULL;
2684 	}
2685 	dcs->id = MLX5_GET(alloc_q_counter_out, out, counter_set_id);
2686 	return dcs;
2687 }
2688 
2689 /**
2690  * Query queue counters values.
2691  *
2692  * @param[in] dcs
2693  *   devx object of the queue counter set.
2694  * @param[in] clear
2695  *   Whether hardware should clear the counters after the query or not.
2696  *  @param[out] out_of_buffers
2697  *   Number of dropped occurred due to lack of WQE for the associated QPs/RQs.
2698  *
2699  * @return
2700  *   0 on success, a negative value otherwise.
2701  */
2702 int
2703 mlx5_devx_cmd_queue_counter_query(struct mlx5_devx_obj *dcs, int clear,
2704 				  uint32_t *out_of_buffers)
2705 {
2706 	uint32_t out[MLX5_ST_SZ_BYTES(query_q_counter_out)] = {0};
2707 	uint32_t in[MLX5_ST_SZ_DW(query_q_counter_in)] = {0};
2708 	int rc;
2709 
2710 	MLX5_SET(query_q_counter_in, in, opcode,
2711 		 MLX5_CMD_OP_QUERY_Q_COUNTER);
2712 	MLX5_SET(query_q_counter_in, in, op_mod, 0);
2713 	MLX5_SET(query_q_counter_in, in, counter_set_id, dcs->id);
2714 	MLX5_SET(query_q_counter_in, in, clear, !!clear);
2715 	rc = mlx5_glue->devx_obj_query(dcs->obj, in, sizeof(in), out,
2716 				       sizeof(out));
2717 	if (rc) {
2718 		DRV_LOG(ERR, "Failed to query devx q counter set - rc %d", rc);
2719 		rte_errno = rc;
2720 		return -rc;
2721 	}
2722 	*out_of_buffers = MLX5_GET(query_q_counter_out, out, out_of_buffer);
2723 	return 0;
2724 }
2725 
2726 /**
2727  * Create general object of type DEK using DevX API.
2728  *
2729  * @param[in] ctx
2730  *   Context returned from mlx5 open_device() glue function.
2731  * @param [in] attr
2732  *   Pointer to DEK attributes structure.
2733  *
2734  * @return
2735  *   The DevX object created, NULL otherwise and rte_errno is set.
2736  */
2737 struct mlx5_devx_obj *
2738 mlx5_devx_cmd_create_dek_obj(void *ctx, struct mlx5_devx_dek_attr *attr)
2739 {
2740 	uint32_t in[MLX5_ST_SZ_DW(create_dek_in)] = {0};
2741 	uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0};
2742 	struct mlx5_devx_obj *dek_obj = NULL;
2743 	void *ptr = NULL, *key_addr = NULL;
2744 
2745 	dek_obj = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*dek_obj),
2746 			      0, SOCKET_ID_ANY);
2747 	if (dek_obj == NULL) {
2748 		DRV_LOG(ERR, "Failed to allocate DEK object data");
2749 		rte_errno = ENOMEM;
2750 		return NULL;
2751 	}
2752 	ptr = MLX5_ADDR_OF(create_dek_in, in, hdr);
2753 	MLX5_SET(general_obj_in_cmd_hdr, ptr, opcode,
2754 		 MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
2755 	MLX5_SET(general_obj_in_cmd_hdr, ptr, obj_type,
2756 		 MLX5_GENERAL_OBJ_TYPE_DEK);
2757 	ptr = MLX5_ADDR_OF(create_dek_in, in, dek);
2758 	MLX5_SET(dek, ptr, key_size, attr->key_size);
2759 	MLX5_SET(dek, ptr, has_keytag, attr->has_keytag);
2760 	MLX5_SET(dek, ptr, key_purpose, attr->key_purpose);
2761 	MLX5_SET(dek, ptr, pd, attr->pd);
2762 	MLX5_SET64(dek, ptr, opaque, attr->opaque);
2763 	key_addr = MLX5_ADDR_OF(dek, ptr, key);
2764 	memcpy(key_addr, (void *)(attr->key), MLX5_CRYPTO_KEY_MAX_SIZE);
2765 	dek_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
2766 						  out, sizeof(out));
2767 	if (dek_obj->obj == NULL) {
2768 		rte_errno = errno;
2769 		DRV_LOG(ERR, "Failed to create DEK obj using DevX.");
2770 		mlx5_free(dek_obj);
2771 		return NULL;
2772 	}
2773 	dek_obj->id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
2774 	return dek_obj;
2775 }
2776 
2777 /**
2778  * Create general object of type IMPORT_KEK using DevX API.
2779  *
2780  * @param[in] ctx
2781  *   Context returned from mlx5 open_device() glue function.
2782  * @param [in] attr
2783  *   Pointer to IMPORT_KEK attributes structure.
2784  *
2785  * @return
2786  *   The DevX object created, NULL otherwise and rte_errno is set.
2787  */
2788 struct mlx5_devx_obj *
2789 mlx5_devx_cmd_create_import_kek_obj(void *ctx,
2790 				    struct mlx5_devx_import_kek_attr *attr)
2791 {
2792 	uint32_t in[MLX5_ST_SZ_DW(create_import_kek_in)] = {0};
2793 	uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0};
2794 	struct mlx5_devx_obj *import_kek_obj = NULL;
2795 	void *ptr = NULL, *key_addr = NULL;
2796 
2797 	import_kek_obj = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*import_kek_obj),
2798 				     0, SOCKET_ID_ANY);
2799 	if (import_kek_obj == NULL) {
2800 		DRV_LOG(ERR, "Failed to allocate IMPORT_KEK object data");
2801 		rte_errno = ENOMEM;
2802 		return NULL;
2803 	}
2804 	ptr = MLX5_ADDR_OF(create_import_kek_in, in, hdr);
2805 	MLX5_SET(general_obj_in_cmd_hdr, ptr, opcode,
2806 		 MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
2807 	MLX5_SET(general_obj_in_cmd_hdr, ptr, obj_type,
2808 		 MLX5_GENERAL_OBJ_TYPE_IMPORT_KEK);
2809 	ptr = MLX5_ADDR_OF(create_import_kek_in, in, import_kek);
2810 	MLX5_SET(import_kek, ptr, key_size, attr->key_size);
2811 	key_addr = MLX5_ADDR_OF(import_kek, ptr, key);
2812 	memcpy(key_addr, (void *)(attr->key), MLX5_CRYPTO_KEY_MAX_SIZE);
2813 	import_kek_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
2814 							 out, sizeof(out));
2815 	if (import_kek_obj->obj == NULL) {
2816 		rte_errno = errno;
2817 		DRV_LOG(ERR, "Failed to create IMPORT_KEK object using DevX.");
2818 		mlx5_free(import_kek_obj);
2819 		return NULL;
2820 	}
2821 	import_kek_obj->id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
2822 	return import_kek_obj;
2823 }
2824 
2825 /**
2826  * Create general object of type CREDENTIAL using DevX API.
2827  *
2828  * @param[in] ctx
2829  *   Context returned from mlx5 open_device() glue function.
2830  * @param [in] attr
2831  *   Pointer to CREDENTIAL attributes structure.
2832  *
2833  * @return
2834  *   The DevX object created, NULL otherwise and rte_errno is set.
2835  */
2836 struct mlx5_devx_obj *
2837 mlx5_devx_cmd_create_credential_obj(void *ctx,
2838 				    struct mlx5_devx_credential_attr *attr)
2839 {
2840 	uint32_t in[MLX5_ST_SZ_DW(create_credential_in)] = {0};
2841 	uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0};
2842 	struct mlx5_devx_obj *credential_obj = NULL;
2843 	void *ptr = NULL, *credential_addr = NULL;
2844 
2845 	credential_obj = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*credential_obj),
2846 				     0, SOCKET_ID_ANY);
2847 	if (credential_obj == NULL) {
2848 		DRV_LOG(ERR, "Failed to allocate CREDENTIAL object data");
2849 		rte_errno = ENOMEM;
2850 		return NULL;
2851 	}
2852 	ptr = MLX5_ADDR_OF(create_credential_in, in, hdr);
2853 	MLX5_SET(general_obj_in_cmd_hdr, ptr, opcode,
2854 		 MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
2855 	MLX5_SET(general_obj_in_cmd_hdr, ptr, obj_type,
2856 		 MLX5_GENERAL_OBJ_TYPE_CREDENTIAL);
2857 	ptr = MLX5_ADDR_OF(create_credential_in, in, credential);
2858 	MLX5_SET(credential, ptr, credential_role, attr->credential_role);
2859 	credential_addr = MLX5_ADDR_OF(credential, ptr, credential);
2860 	memcpy(credential_addr, (void *)(attr->credential),
2861 	       MLX5_CRYPTO_CREDENTIAL_SIZE);
2862 	credential_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
2863 							 out, sizeof(out));
2864 	if (credential_obj->obj == NULL) {
2865 		rte_errno = errno;
2866 		DRV_LOG(ERR, "Failed to create CREDENTIAL object using DevX.");
2867 		mlx5_free(credential_obj);
2868 		return NULL;
2869 	}
2870 	credential_obj->id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
2871 	return credential_obj;
2872 }
2873 
2874 /**
2875  * Create general object of type CRYPTO_LOGIN using DevX API.
2876  *
2877  * @param[in] ctx
2878  *   Context returned from mlx5 open_device() glue function.
2879  * @param [in] attr
2880  *   Pointer to CRYPTO_LOGIN attributes structure.
2881  *
2882  * @return
2883  *   The DevX object created, NULL otherwise and rte_errno is set.
2884  */
2885 struct mlx5_devx_obj *
2886 mlx5_devx_cmd_create_crypto_login_obj(void *ctx,
2887 				      struct mlx5_devx_crypto_login_attr *attr)
2888 {
2889 	uint32_t in[MLX5_ST_SZ_DW(create_crypto_login_in)] = {0};
2890 	uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0};
2891 	struct mlx5_devx_obj *crypto_login_obj = NULL;
2892 	void *ptr = NULL, *credential_addr = NULL;
2893 
2894 	crypto_login_obj = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*crypto_login_obj),
2895 				       0, SOCKET_ID_ANY);
2896 	if (crypto_login_obj == NULL) {
2897 		DRV_LOG(ERR, "Failed to allocate CRYPTO_LOGIN object data");
2898 		rte_errno = ENOMEM;
2899 		return NULL;
2900 	}
2901 	ptr = MLX5_ADDR_OF(create_crypto_login_in, in, hdr);
2902 	MLX5_SET(general_obj_in_cmd_hdr, ptr, opcode,
2903 		 MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
2904 	MLX5_SET(general_obj_in_cmd_hdr, ptr, obj_type,
2905 		 MLX5_GENERAL_OBJ_TYPE_CRYPTO_LOGIN);
2906 	ptr = MLX5_ADDR_OF(create_crypto_login_in, in, crypto_login);
2907 	MLX5_SET(crypto_login, ptr, credential_pointer,
2908 		 attr->credential_pointer);
2909 	MLX5_SET(crypto_login, ptr, session_import_kek_ptr,
2910 		 attr->session_import_kek_ptr);
2911 	credential_addr = MLX5_ADDR_OF(crypto_login, ptr, credential);
2912 	memcpy(credential_addr, (void *)(attr->credential),
2913 	       MLX5_CRYPTO_CREDENTIAL_SIZE);
2914 	crypto_login_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
2915 							   out, sizeof(out));
2916 	if (crypto_login_obj->obj == NULL) {
2917 		rte_errno = errno;
2918 		DRV_LOG(ERR, "Failed to create CRYPTO_LOGIN obj using DevX.");
2919 		mlx5_free(crypto_login_obj);
2920 		return NULL;
2921 	}
2922 	crypto_login_obj->id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
2923 	return crypto_login_obj;
2924 }
2925 
2926 /**
2927  * Query LAG context.
2928  *
2929  * @param[in] ctx
2930  *   Pointer to ibv_context, returned from mlx5dv_open_device.
2931  * @param[out] lag_ctx
2932  *   Pointer to struct mlx5_devx_lag_context, to be set by the routine.
2933  *
2934  * @return
2935  *   0 on success, a negative value otherwise.
2936  */
2937 int
2938 mlx5_devx_cmd_query_lag(void *ctx,
2939 			struct mlx5_devx_lag_context *lag_ctx)
2940 {
2941 	uint32_t in[MLX5_ST_SZ_DW(query_lag_in)] = {0};
2942 	uint32_t out[MLX5_ST_SZ_DW(query_lag_out)] = {0};
2943 	void *lctx;
2944 	int rc;
2945 
2946 	MLX5_SET(query_lag_in, in, opcode, MLX5_CMD_OP_QUERY_LAG);
2947 	rc = mlx5_glue->devx_general_cmd(ctx, in, sizeof(in), out, sizeof(out));
2948 	if (rc)
2949 		goto error;
2950 	lctx = MLX5_ADDR_OF(query_lag_out, out, context);
2951 	lag_ctx->fdb_selection_mode = MLX5_GET(lag_context, lctx,
2952 					       fdb_selection_mode);
2953 	lag_ctx->port_select_mode = MLX5_GET(lag_context, lctx,
2954 					       port_select_mode);
2955 	lag_ctx->lag_state = MLX5_GET(lag_context, lctx, lag_state);
2956 	lag_ctx->tx_remap_affinity_2 = MLX5_GET(lag_context, lctx,
2957 						tx_remap_affinity_2);
2958 	lag_ctx->tx_remap_affinity_1 = MLX5_GET(lag_context, lctx,
2959 						tx_remap_affinity_1);
2960 	return 0;
2961 error:
2962 	rc = (rc > 0) ? -rc : rc;
2963 	return rc;
2964 }
2965