xref: /dpdk/drivers/common/mlx5/mlx5_devx_cmds.c (revision 8f6c2a1209c31b401d0a8fc74e4b98b1f2d599dc)
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 /* FW writes status value to the OUT buffer at offset 00H */
17 #define MLX5_FW_STATUS(o) MLX5_GET(general_obj_out_cmd_hdr, (o), status)
18 /* FW writes syndrome value to the OUT buffer at offset 04H */
19 #define MLX5_FW_SYNDROME(o) MLX5_GET(general_obj_out_cmd_hdr, (o), syndrome)
20 
21 #define MLX5_DEVX_ERR_RC(x) ((x) > 0 ? -(x) : ((x) < 0 ? (x) : -1))
22 
23 #define DEVX_DRV_LOG(level, out, reason, param, value)				\
24 do {										\
25 	/*									\
26 	 * Some (old) GCC compilers like 7.5.0 and aarch64 GCC 7.1-2017.08	\
27 	 * do not expand correctly when the macro invoked when the `param`	\
28 	 * is `NULL`.								\
29 	 * Use `local_param` to avoid direct `NULL` expansion.			\
30 	 */									\
31 	const char *local_param = (const char *)param; 				\
32 										\
33 	rte_errno = errno;							\
34 	if (!local_param) {							\
35 		DRV_LOG(level,							\
36 			"DevX %s failed errno=%d status=%#x syndrome=%#x",	\
37 			(reason), errno, MLX5_FW_STATUS((out)),			\
38 			MLX5_FW_SYNDROME((out)));				\
39 	} else {								\
40 		DRV_LOG(level,							\
41 			"DevX %s %s=%#X failed errno=%d status=%#x syndrome=%#x",\
42 			(reason), local_param, (value), errno,         		\
43 			MLX5_FW_STATUS((out)), MLX5_FW_SYNDROME((out)));	\
44 	}									\
45 } while (0)
46 
47 static void *
48 mlx5_devx_get_hca_cap(void *ctx, uint32_t *in, uint32_t *out,
49 		      int *err, uint32_t flags)
50 {
51 	const size_t size_in = MLX5_ST_SZ_DW(query_hca_cap_in) * sizeof(int);
52 	const size_t size_out = MLX5_ST_SZ_DW(query_hca_cap_out) * sizeof(int);
53 	int rc;
54 
55 	memset(in, 0, size_in);
56 	memset(out, 0, size_out);
57 	MLX5_SET(query_hca_cap_in, in, opcode, MLX5_CMD_OP_QUERY_HCA_CAP);
58 	MLX5_SET(query_hca_cap_in, in, op_mod, flags);
59 	rc = mlx5_glue->devx_general_cmd(ctx, in, size_in, out, size_out);
60 	if (rc || MLX5_FW_STATUS(out)) {
61 		DEVX_DRV_LOG(ERR, out, "HCA capabilities", "func", flags >> 1);
62 		if (err)
63 			*err = MLX5_DEVX_ERR_RC(rc);
64 		return NULL;
65 	}
66 	if (err)
67 		*err = 0;
68 	return MLX5_ADDR_OF(query_hca_cap_out, out, capability);
69 }
70 
71 /**
72  * Perform read access to the registers. Reads data from register
73  * and writes ones to the specified buffer.
74  *
75  * @param[in] ctx
76  *   Context returned from mlx5 open_device() glue function.
77  * @param[in] reg_id
78  *   Register identifier according to the PRM.
79  * @param[in] arg
80  *   Register access auxiliary parameter according to the PRM.
81  * @param[out] data
82  *   Pointer to the buffer to store read data.
83  * @param[in] dw_cnt
84  *   Buffer size in double words.
85  *
86  * @return
87  *   0 on success, a negative value otherwise.
88  */
89 int
90 mlx5_devx_cmd_register_read(void *ctx, uint16_t reg_id, uint32_t arg,
91 			    uint32_t *data, uint32_t dw_cnt)
92 {
93 	uint32_t in[MLX5_ST_SZ_DW(access_register_in)]   = {0};
94 	uint32_t out[MLX5_ST_SZ_DW(access_register_out) +
95 		     MLX5_ACCESS_REGISTER_DATA_DWORD_MAX] = {0};
96 	int rc;
97 
98 	MLX5_ASSERT(data && dw_cnt);
99 	MLX5_ASSERT(dw_cnt <= MLX5_ACCESS_REGISTER_DATA_DWORD_MAX);
100 	if (dw_cnt  > MLX5_ACCESS_REGISTER_DATA_DWORD_MAX) {
101 		DRV_LOG(ERR, "Not enough  buffer for register read data");
102 		return -1;
103 	}
104 	MLX5_SET(access_register_in, in, opcode,
105 		 MLX5_CMD_OP_ACCESS_REGISTER_USER);
106 	MLX5_SET(access_register_in, in, op_mod,
107 					MLX5_ACCESS_REGISTER_IN_OP_MOD_READ);
108 	MLX5_SET(access_register_in, in, register_id, reg_id);
109 	MLX5_SET(access_register_in, in, argument, arg);
110 	rc = mlx5_glue->devx_general_cmd(ctx, in, sizeof(in), out,
111 					 MLX5_ST_SZ_BYTES(access_register_out) +
112 					 sizeof(uint32_t) * dw_cnt);
113 	if (rc || MLX5_FW_STATUS(out)) {
114 		DEVX_DRV_LOG(DEBUG, out, "read access", "NIC register", reg_id);
115 		return MLX5_DEVX_ERR_RC(rc);
116 	}
117 	memcpy(data, &out[MLX5_ST_SZ_DW(access_register_out)],
118 	       dw_cnt * sizeof(uint32_t));
119 	return 0;
120 }
121 
122 /**
123  * Perform write access to the registers.
124  *
125  * @param[in] ctx
126  *   Context returned from mlx5 open_device() glue function.
127  * @param[in] reg_id
128  *   Register identifier according to the PRM.
129  * @param[in] arg
130  *   Register access auxiliary parameter according to the PRM.
131  * @param[out] data
132  *   Pointer to the buffer containing data to write.
133  * @param[in] dw_cnt
134  *   Buffer size in double words (32bit units).
135  *
136  * @return
137  *   0 on success, a negative value otherwise.
138  */
139 int
140 mlx5_devx_cmd_register_write(void *ctx, uint16_t reg_id, uint32_t arg,
141 			     uint32_t *data, uint32_t dw_cnt)
142 {
143 	uint32_t in[MLX5_ST_SZ_DW(access_register_in) +
144 		    MLX5_ACCESS_REGISTER_DATA_DWORD_MAX] = {0};
145 	uint32_t out[MLX5_ST_SZ_DW(access_register_out)] = {0};
146 	int rc;
147 	void *ptr;
148 
149 	MLX5_ASSERT(data && dw_cnt);
150 	MLX5_ASSERT(dw_cnt <= MLX5_ACCESS_REGISTER_DATA_DWORD_MAX);
151 	if (dw_cnt > MLX5_ACCESS_REGISTER_DATA_DWORD_MAX) {
152 		DRV_LOG(ERR, "Data to write exceeds max size");
153 		return -1;
154 	}
155 	MLX5_SET(access_register_in, in, opcode,
156 		 MLX5_CMD_OP_ACCESS_REGISTER_USER);
157 	MLX5_SET(access_register_in, in, op_mod,
158 		 MLX5_ACCESS_REGISTER_IN_OP_MOD_WRITE);
159 	MLX5_SET(access_register_in, in, register_id, reg_id);
160 	MLX5_SET(access_register_in, in, argument, arg);
161 	ptr = MLX5_ADDR_OF(access_register_in, in, register_data);
162 	memcpy(ptr, data, dw_cnt * sizeof(uint32_t));
163 	rc = mlx5_glue->devx_general_cmd(ctx, in, sizeof(in), out, sizeof(out));
164 	if (rc || MLX5_FW_STATUS(out)) {
165 		DEVX_DRV_LOG(ERR, out, "write access", "NIC register", reg_id);
166 		return MLX5_DEVX_ERR_RC(rc);
167 	}
168 	rc = mlx5_glue->devx_general_cmd(ctx, in,
169 					 MLX5_ST_SZ_BYTES(access_register_in) +
170 					 dw_cnt * sizeof(uint32_t),
171 					 out, sizeof(out));
172 	if (rc || MLX5_FW_STATUS(out)) {
173 		DEVX_DRV_LOG(ERR, out, "write access", "NIC register", reg_id);
174 		return MLX5_DEVX_ERR_RC(rc);
175 	}
176 	return 0;
177 }
178 
179 struct mlx5_devx_obj *
180 mlx5_devx_cmd_flow_counter_alloc_general(void *ctx,
181 		struct mlx5_devx_counter_attr *attr)
182 {
183 	struct mlx5_devx_obj *dcs = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*dcs),
184 						0, SOCKET_ID_ANY);
185 	uint32_t in[MLX5_ST_SZ_DW(alloc_flow_counter_in)]   = {0};
186 	uint32_t out[MLX5_ST_SZ_DW(alloc_flow_counter_out)] = {0};
187 
188 	if (!dcs) {
189 		rte_errno = ENOMEM;
190 		return NULL;
191 	}
192 	MLX5_SET(alloc_flow_counter_in, in, opcode,
193 		 MLX5_CMD_OP_ALLOC_FLOW_COUNTER);
194 	if (attr->bulk_log_max_alloc)
195 		MLX5_SET(alloc_flow_counter_in, in, flow_counter_bulk_log_size,
196 			 attr->flow_counter_bulk_log_size);
197 	else
198 		MLX5_SET(alloc_flow_counter_in, in, flow_counter_bulk,
199 			 attr->bulk_n_128);
200 	if (attr->pd_valid)
201 		MLX5_SET(alloc_flow_counter_in, in, pd, attr->pd);
202 	dcs->obj = mlx5_glue->devx_obj_create(ctx, in,
203 					      sizeof(in), out, sizeof(out));
204 	if (!dcs->obj) {
205 		DRV_LOG(ERR, "Can't allocate counters - error %d", errno);
206 		rte_errno = errno;
207 		mlx5_free(dcs);
208 		return NULL;
209 	}
210 	dcs->id = MLX5_GET(alloc_flow_counter_out, out, flow_counter_id);
211 	return dcs;
212 }
213 
214 /**
215  * Allocate flow counters via devx interface.
216  *
217  * @param[in] ctx
218  *   Context returned from mlx5 open_device() glue function.
219  * @param dcs
220  *   Pointer to counters properties structure to be filled by the routine.
221  * @param bulk_n_128
222  *   Bulk counter numbers in 128 counters units.
223  *
224  * @return
225  *   Pointer to counter object on success, a negative value otherwise and
226  *   rte_errno is set.
227  */
228 struct mlx5_devx_obj *
229 mlx5_devx_cmd_flow_counter_alloc(void *ctx, uint32_t bulk_n_128)
230 {
231 	struct mlx5_devx_obj *dcs = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*dcs),
232 						0, SOCKET_ID_ANY);
233 	uint32_t in[MLX5_ST_SZ_DW(alloc_flow_counter_in)]   = {0};
234 	uint32_t out[MLX5_ST_SZ_DW(alloc_flow_counter_out)] = {0};
235 
236 	if (!dcs) {
237 		rte_errno = ENOMEM;
238 		return NULL;
239 	}
240 	MLX5_SET(alloc_flow_counter_in, in, opcode,
241 		 MLX5_CMD_OP_ALLOC_FLOW_COUNTER);
242 	MLX5_SET(alloc_flow_counter_in, in, flow_counter_bulk, bulk_n_128);
243 	dcs->obj = mlx5_glue->devx_obj_create(ctx, in,
244 					      sizeof(in), out, sizeof(out));
245 	if (!dcs->obj) {
246 		DEVX_DRV_LOG(ERR, out, "allocate counters", NULL, 0);
247 		mlx5_free(dcs);
248 		return NULL;
249 	}
250 	dcs->id = MLX5_GET(alloc_flow_counter_out, out, flow_counter_id);
251 	return dcs;
252 }
253 
254 /**
255  * Query flow counters values.
256  *
257  * @param[in] dcs
258  *   devx object that was obtained from mlx5_devx_cmd_fc_alloc.
259  * @param[in] clear
260  *   Whether hardware should clear the counters after the query or not.
261  * @param[in] n_counters
262  *   0 in case of 1 counter to read, otherwise the counter number to read.
263  *  @param pkts
264  *   The number of packets that matched the flow.
265  *  @param bytes
266  *    The number of bytes that matched the flow.
267  *  @param mkey
268  *   The mkey key for batch query.
269  *  @param addr
270  *    The address in the mkey range for batch query.
271  *  @param cmd_comp
272  *   The completion object for asynchronous batch query.
273  *  @param async_id
274  *    The ID to be returned in the asynchronous batch query response.
275  *
276  * @return
277  *   0 on success, a negative value otherwise.
278  */
279 int
280 mlx5_devx_cmd_flow_counter_query(struct mlx5_devx_obj *dcs,
281 				 int clear, uint32_t n_counters,
282 				 uint64_t *pkts, uint64_t *bytes,
283 				 uint32_t mkey, void *addr,
284 				 void *cmd_comp,
285 				 uint64_t async_id)
286 {
287 	int out_len = MLX5_ST_SZ_BYTES(query_flow_counter_out) +
288 			MLX5_ST_SZ_BYTES(traffic_counter);
289 	uint32_t out[out_len];
290 	uint32_t in[MLX5_ST_SZ_DW(query_flow_counter_in)] = {0};
291 	void *stats;
292 	int rc;
293 
294 	MLX5_SET(query_flow_counter_in, in, opcode,
295 		 MLX5_CMD_OP_QUERY_FLOW_COUNTER);
296 	MLX5_SET(query_flow_counter_in, in, op_mod, 0);
297 	MLX5_SET(query_flow_counter_in, in, flow_counter_id, dcs->id);
298 	MLX5_SET(query_flow_counter_in, in, clear, !!clear);
299 
300 	if (n_counters) {
301 		MLX5_SET(query_flow_counter_in, in, num_of_counters,
302 			 n_counters);
303 		MLX5_SET(query_flow_counter_in, in, dump_to_memory, 1);
304 		MLX5_SET(query_flow_counter_in, in, mkey, mkey);
305 		MLX5_SET64(query_flow_counter_in, in, address,
306 			   (uint64_t)(uintptr_t)addr);
307 	}
308 	if (!cmd_comp)
309 		rc = mlx5_glue->devx_obj_query(dcs->obj, in, sizeof(in), out,
310 					       out_len);
311 	else
312 		rc = mlx5_glue->devx_obj_query_async(dcs->obj, in, sizeof(in),
313 						     out_len, async_id,
314 						     cmd_comp);
315 	if (rc) {
316 		DRV_LOG(ERR, "Failed to query devx counters with rc %d", rc);
317 		rte_errno = rc;
318 		return -rc;
319 	}
320 	if (!n_counters) {
321 		stats = MLX5_ADDR_OF(query_flow_counter_out,
322 				     out, flow_statistics);
323 		*pkts = MLX5_GET64(traffic_counter, stats, packets);
324 		*bytes = MLX5_GET64(traffic_counter, stats, octets);
325 	}
326 	return 0;
327 }
328 
329 /**
330  * Create a new mkey.
331  *
332  * @param[in] ctx
333  *   Context returned from mlx5 open_device() glue function.
334  * @param[in] attr
335  *   Attributes of the requested mkey.
336  *
337  * @return
338  *   Pointer to Devx mkey on success, a negative value otherwise and rte_errno
339  *   is set.
340  */
341 struct mlx5_devx_obj *
342 mlx5_devx_cmd_mkey_create(void *ctx,
343 			  struct mlx5_devx_mkey_attr *attr)
344 {
345 	struct mlx5_klm *klm_array = attr->klm_array;
346 	int klm_num = attr->klm_num;
347 	int in_size_dw = MLX5_ST_SZ_DW(create_mkey_in) +
348 		     (klm_num ? RTE_ALIGN(klm_num, 4) : 0) * MLX5_ST_SZ_DW(klm);
349 	uint32_t in[in_size_dw];
350 	uint32_t out[MLX5_ST_SZ_DW(create_mkey_out)] = {0};
351 	void *mkc;
352 	struct mlx5_devx_obj *mkey = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*mkey),
353 						 0, SOCKET_ID_ANY);
354 	size_t pgsize;
355 	uint32_t translation_size;
356 
357 	if (!mkey) {
358 		rte_errno = ENOMEM;
359 		return NULL;
360 	}
361 	memset(in, 0, in_size_dw * 4);
362 	pgsize = rte_mem_page_size();
363 	if (pgsize == (size_t)-1) {
364 		mlx5_free(mkey);
365 		DRV_LOG(ERR, "Failed to get page size");
366 		rte_errno = ENOMEM;
367 		return NULL;
368 	}
369 	MLX5_SET(create_mkey_in, in, opcode, MLX5_CMD_OP_CREATE_MKEY);
370 	mkc = MLX5_ADDR_OF(create_mkey_in, in, memory_key_mkey_entry);
371 	if (klm_num > 0) {
372 		int i;
373 		uint8_t *klm = (uint8_t *)MLX5_ADDR_OF(create_mkey_in, in,
374 						       klm_pas_mtt);
375 		translation_size = RTE_ALIGN(klm_num, 4);
376 		for (i = 0; i < klm_num; i++) {
377 			MLX5_SET(klm, klm, byte_count, klm_array[i].byte_count);
378 			MLX5_SET(klm, klm, mkey, klm_array[i].mkey);
379 			MLX5_SET64(klm, klm, address, klm_array[i].address);
380 			klm += MLX5_ST_SZ_BYTES(klm);
381 		}
382 		for (; i < (int)translation_size; i++) {
383 			MLX5_SET(klm, klm, mkey, 0x0);
384 			MLX5_SET64(klm, klm, address, 0x0);
385 			klm += MLX5_ST_SZ_BYTES(klm);
386 		}
387 		MLX5_SET(mkc, mkc, access_mode_1_0, attr->log_entity_size ?
388 			 MLX5_MKC_ACCESS_MODE_KLM_FBS :
389 			 MLX5_MKC_ACCESS_MODE_KLM);
390 		MLX5_SET(mkc, mkc, log_page_size, attr->log_entity_size);
391 	} else {
392 		translation_size = (RTE_ALIGN(attr->size, pgsize) * 8) / 16;
393 		MLX5_SET(mkc, mkc, access_mode_1_0, MLX5_MKC_ACCESS_MODE_MTT);
394 		MLX5_SET(mkc, mkc, log_page_size, rte_log2_u32(pgsize));
395 	}
396 	MLX5_SET(create_mkey_in, in, translations_octword_actual_size,
397 		 translation_size);
398 	MLX5_SET(create_mkey_in, in, mkey_umem_id, attr->umem_id);
399 	MLX5_SET(create_mkey_in, in, pg_access, attr->pg_access);
400 	MLX5_SET(mkc, mkc, lw, 0x1);
401 	MLX5_SET(mkc, mkc, lr, 0x1);
402 	if (attr->set_remote_rw) {
403 		MLX5_SET(mkc, mkc, rw, 0x1);
404 		MLX5_SET(mkc, mkc, rr, 0x1);
405 	}
406 	MLX5_SET(mkc, mkc, qpn, 0xffffff);
407 	MLX5_SET(mkc, mkc, pd, attr->pd);
408 	MLX5_SET(mkc, mkc, mkey_7_0, attr->umem_id & 0xFF);
409 	MLX5_SET(mkc, mkc, umr_en, attr->umr_en);
410 	MLX5_SET(mkc, mkc, translations_octword_size, translation_size);
411 	MLX5_SET(mkc, mkc, relaxed_ordering_write,
412 		 attr->relaxed_ordering_write);
413 	MLX5_SET(mkc, mkc, relaxed_ordering_read, attr->relaxed_ordering_read);
414 	MLX5_SET64(mkc, mkc, start_addr, attr->addr);
415 	MLX5_SET64(mkc, mkc, len, attr->size);
416 	MLX5_SET(mkc, mkc, crypto_en, attr->crypto_en);
417 	if (attr->crypto_en) {
418 		MLX5_SET(mkc, mkc, bsf_en, attr->crypto_en);
419 		MLX5_SET(mkc, mkc, bsf_octword_size, 4);
420 	}
421 	mkey->obj = mlx5_glue->devx_obj_create(ctx, in, in_size_dw * 4, out,
422 					       sizeof(out));
423 	if (!mkey->obj) {
424 		DEVX_DRV_LOG(ERR, out, klm_num ? "create indirect mkey"
425 					       : "create direct key", NULL, 0);
426 		mlx5_free(mkey);
427 		return NULL;
428 	}
429 	mkey->id = MLX5_GET(create_mkey_out, out, mkey_index);
430 	mkey->id = (mkey->id << 8) | (attr->umem_id & 0xFF);
431 	return mkey;
432 }
433 
434 /**
435  * Get status of devx command response.
436  * Mainly used for asynchronous commands.
437  *
438  * @param[in] out
439  *   The out response buffer.
440  *
441  * @return
442  *   0 on success, non-zero value otherwise.
443  */
444 int
445 mlx5_devx_get_out_command_status(void *out)
446 {
447 	int status;
448 
449 	if (!out)
450 		return -EINVAL;
451 	status = MLX5_GET(query_flow_counter_out, out, status);
452 	if (status) {
453 		int syndrome = MLX5_GET(query_flow_counter_out, out, syndrome);
454 
455 		DRV_LOG(ERR, "Bad DevX status %x, syndrome = %x", status,
456 			syndrome);
457 	}
458 	return status;
459 }
460 
461 /**
462  * Destroy any object allocated by a Devx API.
463  *
464  * @param[in] obj
465  *   Pointer to a general object.
466  *
467  * @return
468  *   0 on success, a negative value otherwise.
469  */
470 int
471 mlx5_devx_cmd_destroy(struct mlx5_devx_obj *obj)
472 {
473 	int ret;
474 
475 	if (!obj)
476 		return 0;
477 	ret =  mlx5_glue->devx_obj_destroy(obj->obj);
478 	mlx5_free(obj);
479 	return ret;
480 }
481 
482 /**
483  * Query NIC vport context.
484  * Fills minimal inline attribute.
485  *
486  * @param[in] ctx
487  *   ibv contexts returned from mlx5dv_open_device.
488  * @param[in] vport
489  *   vport index
490  * @param[out] attr
491  *   Attributes device values.
492  *
493  * @return
494  *   0 on success, a negative value otherwise.
495  */
496 static int
497 mlx5_devx_cmd_query_nic_vport_context(void *ctx,
498 				      unsigned int vport,
499 				      struct mlx5_hca_attr *attr)
500 {
501 	uint32_t in[MLX5_ST_SZ_DW(query_nic_vport_context_in)] = {0};
502 	uint32_t out[MLX5_ST_SZ_DW(query_nic_vport_context_out)] = {0};
503 	void *vctx;
504 	int rc;
505 
506 	/* Query NIC vport context to determine inline mode. */
507 	MLX5_SET(query_nic_vport_context_in, in, opcode,
508 		 MLX5_CMD_OP_QUERY_NIC_VPORT_CONTEXT);
509 	MLX5_SET(query_nic_vport_context_in, in, vport_number, vport);
510 	if (vport)
511 		MLX5_SET(query_nic_vport_context_in, in, other_vport, 1);
512 	rc = mlx5_glue->devx_general_cmd(ctx,
513 					 in, sizeof(in),
514 					 out, sizeof(out));
515 	if (rc || MLX5_FW_STATUS(out)) {
516 		DEVX_DRV_LOG(ERR, out, "query NIC vport context", NULL, 0);
517 		return MLX5_DEVX_ERR_RC(rc);
518 	}
519 	vctx = MLX5_ADDR_OF(query_nic_vport_context_out, out,
520 			    nic_vport_context);
521 	attr->vport_inline_mode = MLX5_GET(nic_vport_context, vctx,
522 					   min_wqe_inline_mode);
523 	return 0;
524 }
525 
526 /**
527  * Query NIC vDPA attributes.
528  *
529  * @param[in] ctx
530  *   Context returned from mlx5 open_device() glue function.
531  * @param[out] vdpa_attr
532  *   vDPA Attributes structure to fill.
533  */
534 static void
535 mlx5_devx_cmd_query_hca_vdpa_attr(void *ctx,
536 				  struct mlx5_hca_vdpa_attr *vdpa_attr)
537 {
538 	uint32_t in[MLX5_ST_SZ_DW(query_hca_cap_in)];
539 	uint32_t out[MLX5_ST_SZ_DW(query_hca_cap_out)];
540 	void *hcattr;
541 
542 	hcattr = mlx5_devx_get_hca_cap(ctx, in, out, NULL,
543 			MLX5_GET_HCA_CAP_OP_MOD_VDPA_EMULATION |
544 			MLX5_HCA_CAP_OPMOD_GET_CUR);
545 	if (!hcattr) {
546 		DRV_LOG(DEBUG, "Failed to query devx VDPA capabilities");
547 		vdpa_attr->valid = 0;
548 	} else {
549 		vdpa_attr->valid = 1;
550 		vdpa_attr->desc_tunnel_offload_type =
551 			MLX5_GET(virtio_emulation_cap, hcattr,
552 				 desc_tunnel_offload_type);
553 		vdpa_attr->eth_frame_offload_type =
554 			MLX5_GET(virtio_emulation_cap, hcattr,
555 				 eth_frame_offload_type);
556 		vdpa_attr->virtio_version_1_0 =
557 			MLX5_GET(virtio_emulation_cap, hcattr,
558 				 virtio_version_1_0);
559 		vdpa_attr->tso_ipv4 = MLX5_GET(virtio_emulation_cap, hcattr,
560 					       tso_ipv4);
561 		vdpa_attr->tso_ipv6 = MLX5_GET(virtio_emulation_cap, hcattr,
562 					       tso_ipv6);
563 		vdpa_attr->tx_csum = MLX5_GET(virtio_emulation_cap, hcattr,
564 					      tx_csum);
565 		vdpa_attr->rx_csum = MLX5_GET(virtio_emulation_cap, hcattr,
566 					      rx_csum);
567 		vdpa_attr->event_mode = MLX5_GET(virtio_emulation_cap, hcattr,
568 						 event_mode);
569 		vdpa_attr->virtio_queue_type =
570 			MLX5_GET(virtio_emulation_cap, hcattr,
571 				 virtio_queue_type);
572 		vdpa_attr->log_doorbell_stride =
573 			MLX5_GET(virtio_emulation_cap, hcattr,
574 				 log_doorbell_stride);
575 		vdpa_attr->vnet_modify_ext =
576 			MLX5_GET(virtio_emulation_cap, hcattr,
577 				 vnet_modify_ext);
578 		vdpa_attr->virtio_net_q_addr_modify =
579 			MLX5_GET(virtio_emulation_cap, hcattr,
580 				 virtio_net_q_addr_modify);
581 		vdpa_attr->virtio_q_index_modify =
582 			MLX5_GET(virtio_emulation_cap, hcattr,
583 				 virtio_q_index_modify);
584 		vdpa_attr->log_doorbell_bar_size =
585 			MLX5_GET(virtio_emulation_cap, hcattr,
586 				 log_doorbell_bar_size);
587 		vdpa_attr->doorbell_bar_offset =
588 			MLX5_GET64(virtio_emulation_cap, hcattr,
589 				   doorbell_bar_offset);
590 		vdpa_attr->max_num_virtio_queues =
591 			MLX5_GET(virtio_emulation_cap, hcattr,
592 				 max_num_virtio_queues);
593 		vdpa_attr->umems[0].a = MLX5_GET(virtio_emulation_cap, hcattr,
594 						 umem_1_buffer_param_a);
595 		vdpa_attr->umems[0].b = MLX5_GET(virtio_emulation_cap, hcattr,
596 						 umem_1_buffer_param_b);
597 		vdpa_attr->umems[1].a = MLX5_GET(virtio_emulation_cap, hcattr,
598 						 umem_2_buffer_param_a);
599 		vdpa_attr->umems[1].b = MLX5_GET(virtio_emulation_cap, hcattr,
600 						 umem_2_buffer_param_b);
601 		vdpa_attr->umems[2].a = MLX5_GET(virtio_emulation_cap, hcattr,
602 						 umem_3_buffer_param_a);
603 		vdpa_attr->umems[2].b = MLX5_GET(virtio_emulation_cap, hcattr,
604 						 umem_3_buffer_param_b);
605 	}
606 }
607 
608 /**
609  * Query match sample handle parameters.
610  *
611  * This command allows translating a field sample handle returned by either
612  * PARSE_GRAPH_FLOW_MATCH_SAMPLE or by GENEVE TLV OPTION object into values
613  * used for header modification or header matching/hashing.
614  *
615  * @param[in] ctx
616  *   Context used to create either GENEVE TLV option or FLEX PARSE GRAPH object.
617  * @param[in] sample_field_id
618  *   Field sample handle returned by either PARSE_GRAPH_FLOW_MATCH_SAMPLE
619  *   or by GENEVE TLV OPTION object.
620  * @param[out] attr
621  *   Pointer to match sample info attributes structure.
622  *
623  * @return
624  *   0 on success, a negative errno otherwise and rte_errno is set.
625  */
626 int
627 mlx5_devx_cmd_match_sample_info_query(void *ctx, uint32_t sample_field_id,
628 				      struct mlx5_devx_match_sample_info_query_attr *attr)
629 {
630 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
631 	uint32_t out[MLX5_ST_SZ_DW(query_match_sample_info_out)] = {0};
632 	uint32_t in[MLX5_ST_SZ_DW(query_match_sample_info_in)] = {0};
633 	int rc;
634 
635 	MLX5_SET(query_match_sample_info_in, in, opcode,
636 		 MLX5_CMD_OP_QUERY_MATCH_SAMPLE_INFO);
637 	MLX5_SET(query_match_sample_info_in, in, op_mod, 0);
638 	MLX5_SET(query_match_sample_info_in, in, sample_field_id,
639 		 sample_field_id);
640 	rc = mlx5_glue->devx_general_cmd(ctx, in, sizeof(in), out, sizeof(out));
641 	if (rc) {
642 		DRV_LOG(ERR, "Failed to query match sample info using DevX: %s",
643 			strerror(rc));
644 		rte_errno = rc;
645 		return -rc;
646 	}
647 	attr->modify_field_id = MLX5_GET(query_match_sample_info_out, out,
648 					 modify_field_id);
649 	attr->sample_dw_data = MLX5_GET(query_match_sample_info_out, out,
650 					field_format_select_dw);
651 	attr->sample_dw_ok_bit = MLX5_GET(query_match_sample_info_out, out,
652 					  ok_bit_format_select_dw);
653 	attr->sample_dw_ok_bit_offset = MLX5_GET(query_match_sample_info_out,
654 						 out, ok_bit_offset);
655 	return 0;
656 #else
657 	(void)ctx;
658 	(void)sample_field_id;
659 	(void)attr;
660 	return -ENOTSUP;
661 #endif
662 }
663 
664 int
665 mlx5_devx_cmd_query_parse_samples(struct mlx5_devx_obj *flex_obj,
666 				  uint32_t *ids,
667 				  uint32_t num, uint8_t *anchor)
668 {
669 	uint32_t in[MLX5_ST_SZ_DW(general_obj_in_cmd_hdr)] = {0};
670 	uint32_t out[MLX5_ST_SZ_DW(create_flex_parser_out)] = {0};
671 	void *hdr = MLX5_ADDR_OF(create_flex_parser_out, in, hdr);
672 	void *flex = MLX5_ADDR_OF(create_flex_parser_out, out, flex);
673 	void *sample = MLX5_ADDR_OF(parse_graph_flex, flex, sample_table);
674 	int ret;
675 	uint32_t idx = 0;
676 	uint32_t i;
677 
678 	if (num > MLX5_GRAPH_NODE_SAMPLE_NUM) {
679 		rte_errno = EINVAL;
680 		DRV_LOG(ERR, "Too many sample IDs to be fetched.");
681 		return -rte_errno;
682 	}
683 	MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
684 		 MLX5_CMD_OP_QUERY_GENERAL_OBJECT);
685 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
686 		 MLX5_GENERAL_OBJ_TYPE_FLEX_PARSE_GRAPH);
687 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_id, flex_obj->id);
688 	ret = mlx5_glue->devx_obj_query(flex_obj->obj, in, sizeof(in),
689 					out, sizeof(out));
690 	if (ret) {
691 		rte_errno = ret;
692 		DRV_LOG(ERR, "Failed to query sample IDs with object %p.",
693 			(void *)flex_obj);
694 		return -rte_errno;
695 	}
696 	if (anchor)
697 		*anchor = MLX5_GET(parse_graph_flex, flex, head_anchor_id);
698 	for (i = 0; i < MLX5_GRAPH_NODE_SAMPLE_NUM && idx < num; i++) {
699 		void *s_off = (void *)((char *)sample + i *
700 			      MLX5_ST_SZ_BYTES(parse_graph_flow_match_sample));
701 		uint32_t en;
702 
703 		en = MLX5_GET(parse_graph_flow_match_sample, s_off,
704 			      flow_match_sample_en);
705 		if (!en)
706 			continue;
707 		ids[idx++] = MLX5_GET(parse_graph_flow_match_sample, s_off,
708 				      flow_match_sample_field_id);
709 	}
710 	if (num != idx) {
711 		rte_errno = EINVAL;
712 		DRV_LOG(ERR, "Number of sample IDs are not as expected.");
713 		return -rte_errno;
714 	}
715 	return ret;
716 }
717 
718 struct mlx5_devx_obj *
719 mlx5_devx_cmd_create_flex_parser(void *ctx,
720 				 struct mlx5_devx_graph_node_attr *data)
721 {
722 	uint32_t in[MLX5_ST_SZ_DW(create_flex_parser_in)] = {0};
723 	uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0};
724 	void *hdr = MLX5_ADDR_OF(create_flex_parser_in, in, hdr);
725 	void *flex = MLX5_ADDR_OF(create_flex_parser_in, in, flex);
726 	void *sample = MLX5_ADDR_OF(parse_graph_flex, flex, sample_table);
727 	void *in_arc = MLX5_ADDR_OF(parse_graph_flex, flex, input_arc);
728 	void *out_arc = MLX5_ADDR_OF(parse_graph_flex, flex, output_arc);
729 	struct mlx5_devx_obj *parse_flex_obj = mlx5_malloc
730 		     (MLX5_MEM_ZERO, sizeof(*parse_flex_obj), 0, SOCKET_ID_ANY);
731 	uint32_t i;
732 
733 	if (!parse_flex_obj) {
734 		DRV_LOG(ERR, "Failed to allocate flex parser data.");
735 		rte_errno = ENOMEM;
736 		return NULL;
737 	}
738 	MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
739 		 MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
740 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
741 		 MLX5_GENERAL_OBJ_TYPE_FLEX_PARSE_GRAPH);
742 	MLX5_SET(parse_graph_flex, flex, header_length_mode,
743 		 data->header_length_mode);
744 	MLX5_SET64(parse_graph_flex, flex, modify_field_select,
745 		   data->modify_field_select);
746 	MLX5_SET(parse_graph_flex, flex, header_length_base_value,
747 		 data->header_length_base_value);
748 	MLX5_SET(parse_graph_flex, flex, header_length_field_offset,
749 		 data->header_length_field_offset);
750 	MLX5_SET(parse_graph_flex, flex, header_length_field_shift,
751 		 data->header_length_field_shift);
752 	MLX5_SET(parse_graph_flex, flex, next_header_field_offset,
753 		 data->next_header_field_offset);
754 	MLX5_SET(parse_graph_flex, flex, next_header_field_size,
755 		 data->next_header_field_size);
756 	MLX5_SET(parse_graph_flex, flex, header_length_field_mask,
757 		 data->header_length_field_mask);
758 	for (i = 0; i < MLX5_GRAPH_NODE_SAMPLE_NUM; i++) {
759 		struct mlx5_devx_match_sample_attr *s = &data->sample[i];
760 		void *s_off = (void *)((char *)sample + i *
761 			      MLX5_ST_SZ_BYTES(parse_graph_flow_match_sample));
762 
763 		if (!s->flow_match_sample_en)
764 			continue;
765 		MLX5_SET(parse_graph_flow_match_sample, s_off,
766 			 flow_match_sample_en, !!s->flow_match_sample_en);
767 		MLX5_SET(parse_graph_flow_match_sample, s_off,
768 			 flow_match_sample_field_offset,
769 			 s->flow_match_sample_field_offset);
770 		MLX5_SET(parse_graph_flow_match_sample, s_off,
771 			 flow_match_sample_offset_mode,
772 			 s->flow_match_sample_offset_mode);
773 		MLX5_SET(parse_graph_flow_match_sample, s_off,
774 			 flow_match_sample_field_offset_mask,
775 			 s->flow_match_sample_field_offset_mask);
776 		MLX5_SET(parse_graph_flow_match_sample, s_off,
777 			 flow_match_sample_field_offset_shift,
778 			 s->flow_match_sample_field_offset_shift);
779 		MLX5_SET(parse_graph_flow_match_sample, s_off,
780 			 flow_match_sample_field_base_offset,
781 			 s->flow_match_sample_field_base_offset);
782 		MLX5_SET(parse_graph_flow_match_sample, s_off,
783 			 flow_match_sample_tunnel_mode,
784 			 s->flow_match_sample_tunnel_mode);
785 	}
786 	for (i = 0; i < MLX5_GRAPH_NODE_ARC_NUM; i++) {
787 		struct mlx5_devx_graph_arc_attr *ia = &data->in[i];
788 		struct mlx5_devx_graph_arc_attr *oa = &data->out[i];
789 		void *in_off = (void *)((char *)in_arc + i *
790 			      MLX5_ST_SZ_BYTES(parse_graph_arc));
791 		void *out_off = (void *)((char *)out_arc + i *
792 			      MLX5_ST_SZ_BYTES(parse_graph_arc));
793 
794 		if (ia->arc_parse_graph_node != 0) {
795 			MLX5_SET(parse_graph_arc, in_off,
796 				 compare_condition_value,
797 				 ia->compare_condition_value);
798 			MLX5_SET(parse_graph_arc, in_off, start_inner_tunnel,
799 				 ia->start_inner_tunnel);
800 			MLX5_SET(parse_graph_arc, in_off, arc_parse_graph_node,
801 				 ia->arc_parse_graph_node);
802 			MLX5_SET(parse_graph_arc, in_off,
803 				 parse_graph_node_handle,
804 				 ia->parse_graph_node_handle);
805 		}
806 		if (oa->arc_parse_graph_node != 0) {
807 			MLX5_SET(parse_graph_arc, out_off,
808 				 compare_condition_value,
809 				 oa->compare_condition_value);
810 			MLX5_SET(parse_graph_arc, out_off, start_inner_tunnel,
811 				 oa->start_inner_tunnel);
812 			MLX5_SET(parse_graph_arc, out_off, arc_parse_graph_node,
813 				 oa->arc_parse_graph_node);
814 			MLX5_SET(parse_graph_arc, out_off,
815 				 parse_graph_node_handle,
816 				 oa->parse_graph_node_handle);
817 		}
818 	}
819 	parse_flex_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
820 							 out, sizeof(out));
821 	if (!parse_flex_obj->obj) {
822 		DEVX_DRV_LOG(ERR, out, "create FLEX PARSE GRAPH", NULL, 0);
823 		mlx5_free(parse_flex_obj);
824 		return NULL;
825 	}
826 	parse_flex_obj->id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
827 	return parse_flex_obj;
828 }
829 
830 static int
831 mlx5_devx_cmd_query_hca_parse_graph_node_cap
832 	(void *ctx, struct mlx5_hca_flex_attr *attr)
833 {
834 	uint32_t in[MLX5_ST_SZ_DW(query_hca_cap_in)];
835 	uint32_t out[MLX5_ST_SZ_DW(query_hca_cap_out)];
836 	void *hcattr;
837 	int rc;
838 
839 	hcattr = mlx5_devx_get_hca_cap(ctx, in, out, &rc,
840 			MLX5_GET_HCA_CAP_OP_MOD_PARSE_GRAPH_NODE_CAP |
841 			MLX5_HCA_CAP_OPMOD_GET_CUR);
842 	if (!hcattr)
843 		return rc;
844 	attr->node_in = MLX5_GET(parse_graph_node_cap, hcattr, node_in);
845 	attr->node_out = MLX5_GET(parse_graph_node_cap, hcattr, node_out);
846 	attr->header_length_mode = MLX5_GET(parse_graph_node_cap, hcattr,
847 					    header_length_mode);
848 	attr->sample_offset_mode = MLX5_GET(parse_graph_node_cap, hcattr,
849 					    sample_offset_mode);
850 	attr->max_num_arc_in = MLX5_GET(parse_graph_node_cap, hcattr,
851 					max_num_arc_in);
852 	attr->max_num_arc_out = MLX5_GET(parse_graph_node_cap, hcattr,
853 					 max_num_arc_out);
854 	attr->max_num_sample = MLX5_GET(parse_graph_node_cap, hcattr,
855 					max_num_sample);
856 	attr->parse_graph_anchor = MLX5_GET(parse_graph_node_cap, hcattr, parse_graph_anchor);
857 	attr->sample_tunnel_inner2 = MLX5_GET(parse_graph_node_cap, hcattr,
858 					      sample_tunnel_inner2);
859 	attr->zero_size_supported = MLX5_GET(parse_graph_node_cap, hcattr,
860 					     zero_size_supported);
861 	attr->sample_id_in_out = MLX5_GET(parse_graph_node_cap, hcattr,
862 					  sample_id_in_out);
863 	attr->max_base_header_length = MLX5_GET(parse_graph_node_cap, hcattr,
864 						max_base_header_length);
865 	attr->max_sample_base_offset = MLX5_GET(parse_graph_node_cap, hcattr,
866 						max_sample_base_offset);
867 	attr->max_next_header_offset = MLX5_GET(parse_graph_node_cap, hcattr,
868 						max_next_header_offset);
869 	attr->header_length_mask_width = MLX5_GET(parse_graph_node_cap, hcattr,
870 						  header_length_mask_width);
871 	/* Get the max supported samples from HCA CAP 2 */
872 	hcattr = mlx5_devx_get_hca_cap(ctx, in, out, &rc,
873 			MLX5_GET_HCA_CAP_OP_MOD_GENERAL_DEVICE_2 |
874 			MLX5_HCA_CAP_OPMOD_GET_CUR);
875 	if (!hcattr)
876 		return rc;
877 	attr->max_num_prog_sample =
878 		MLX5_GET(cmd_hca_cap_2, hcattr,	max_num_prog_sample_field);
879 	return 0;
880 }
881 
882 static int
883 mlx5_devx_query_pkt_integrity_match(void *hcattr)
884 {
885 	return MLX5_GET(flow_table_nic_cap, hcattr,
886 			ft_field_support_2_nic_receive.inner_l3_ok) &&
887 	       MLX5_GET(flow_table_nic_cap, hcattr,
888 			ft_field_support_2_nic_receive.inner_l4_ok) &&
889 	       MLX5_GET(flow_table_nic_cap, hcattr,
890 			ft_field_support_2_nic_receive.outer_l3_ok) &&
891 	       MLX5_GET(flow_table_nic_cap, hcattr,
892 			ft_field_support_2_nic_receive.outer_l4_ok) &&
893 	       MLX5_GET(flow_table_nic_cap, hcattr,
894 			ft_field_support_2_nic_receive
895 				.inner_ipv4_checksum_ok) &&
896 	       MLX5_GET(flow_table_nic_cap, hcattr,
897 			ft_field_support_2_nic_receive.inner_l4_checksum_ok) &&
898 	       MLX5_GET(flow_table_nic_cap, hcattr,
899 			ft_field_support_2_nic_receive
900 				.outer_ipv4_checksum_ok) &&
901 	       MLX5_GET(flow_table_nic_cap, hcattr,
902 			ft_field_support_2_nic_receive.outer_l4_checksum_ok);
903 }
904 
905 /**
906  * Query HCA attributes.
907  * Using those attributes we can check on run time if the device
908  * is having the required capabilities.
909  *
910  * @param[in] ctx
911  *   Context returned from mlx5 open_device() glue function.
912  * @param[out] attr
913  *   Attributes device values.
914  *
915  * @return
916  *   0 on success, a negative value otherwise.
917  */
918 int
919 mlx5_devx_cmd_query_hca_attr(void *ctx,
920 			     struct mlx5_hca_attr *attr)
921 {
922 	uint32_t in[MLX5_ST_SZ_DW(query_hca_cap_in)] = {0};
923 	uint32_t out[MLX5_ST_SZ_DW(query_hca_cap_out)] = {0};
924 	bool hca_cap_2_sup;
925 	uint64_t general_obj_types_supported = 0;
926 	void *hcattr;
927 	int rc, i;
928 
929 	hcattr = mlx5_devx_get_hca_cap(ctx, in, out, &rc,
930 			MLX5_GET_HCA_CAP_OP_MOD_GENERAL_DEVICE |
931 			MLX5_HCA_CAP_OPMOD_GET_CUR);
932 	if (!hcattr)
933 		return rc;
934 	hca_cap_2_sup = MLX5_GET(cmd_hca_cap, hcattr, hca_cap_2);
935 	attr->max_wqe_sz_sq = MLX5_GET(cmd_hca_cap, hcattr, max_wqe_sz_sq);
936 	attr->flow_counter_bulk_alloc_bitmap =
937 			MLX5_GET(cmd_hca_cap, hcattr, flow_counter_bulk_alloc);
938 	attr->flow_counters_dump = MLX5_GET(cmd_hca_cap, hcattr,
939 					    flow_counters_dump);
940 	attr->log_max_rmp = MLX5_GET(cmd_hca_cap, hcattr, log_max_rmp);
941 	attr->mem_rq_rmp = MLX5_GET(cmd_hca_cap, hcattr, mem_rq_rmp);
942 	attr->log_max_rqt_size = MLX5_GET(cmd_hca_cap, hcattr,
943 					  log_max_rqt_size);
944 	attr->eswitch_manager = MLX5_GET(cmd_hca_cap, hcattr, eswitch_manager);
945 	attr->hairpin = MLX5_GET(cmd_hca_cap, hcattr, hairpin);
946 	attr->log_max_hairpin_queues = MLX5_GET(cmd_hca_cap, hcattr,
947 						log_max_hairpin_queues);
948 	attr->log_max_hairpin_wq_data_sz = MLX5_GET(cmd_hca_cap, hcattr,
949 						    log_max_hairpin_wq_data_sz);
950 	attr->log_max_hairpin_num_packets = MLX5_GET
951 		(cmd_hca_cap, hcattr, log_min_hairpin_wq_data_sz);
952 	attr->vhca_id = MLX5_GET(cmd_hca_cap, hcattr, vhca_id);
953 	attr->relaxed_ordering_write = MLX5_GET(cmd_hca_cap, hcattr,
954 						relaxed_ordering_write);
955 	attr->relaxed_ordering_read = MLX5_GET(cmd_hca_cap, hcattr,
956 					       relaxed_ordering_read);
957 	attr->access_register_user = MLX5_GET(cmd_hca_cap, hcattr,
958 					      access_register_user);
959 	attr->eth_net_offloads = MLX5_GET(cmd_hca_cap, hcattr,
960 					  eth_net_offloads);
961 	attr->eth_virt = MLX5_GET(cmd_hca_cap, hcattr, eth_virt);
962 	attr->flex_parser_protocols = MLX5_GET(cmd_hca_cap, hcattr,
963 					       flex_parser_protocols);
964 	attr->max_geneve_tlv_options = MLX5_GET(cmd_hca_cap, hcattr,
965 			max_geneve_tlv_options);
966 	attr->max_geneve_tlv_option_data_len = MLX5_GET(cmd_hca_cap, hcattr,
967 			max_geneve_tlv_option_data_len);
968 	attr->qos.sup = MLX5_GET(cmd_hca_cap, hcattr, qos);
969 	attr->qos.flow_meter_aso_sup = !!(MLX5_GET64(cmd_hca_cap, hcattr,
970 					 general_obj_types) &
971 			      MLX5_GENERAL_OBJ_TYPES_CAP_FLOW_METER_ASO);
972 	attr->vdpa.valid = !!(MLX5_GET64(cmd_hca_cap, hcattr,
973 					 general_obj_types) &
974 			      MLX5_GENERAL_OBJ_TYPES_CAP_VIRTQ_NET_Q);
975 	attr->vdpa.queue_counters_valid = !!(MLX5_GET64(cmd_hca_cap, hcattr,
976 							general_obj_types) &
977 				  MLX5_GENERAL_OBJ_TYPES_CAP_VIRTIO_Q_COUNTERS);
978 	attr->parse_graph_flex_node = !!(MLX5_GET64(cmd_hca_cap, hcattr,
979 					 general_obj_types) &
980 			      MLX5_GENERAL_OBJ_TYPES_CAP_PARSE_GRAPH_FLEX_NODE);
981 	attr->wqe_index_ignore = MLX5_GET(cmd_hca_cap, hcattr,
982 					  wqe_index_ignore_cap);
983 	attr->cross_channel = MLX5_GET(cmd_hca_cap, hcattr, cd);
984 	attr->non_wire_sq = MLX5_GET(cmd_hca_cap, hcattr, non_wire_sq);
985 	attr->log_max_static_sq_wq = MLX5_GET(cmd_hca_cap, hcattr,
986 					      log_max_static_sq_wq);
987 	attr->num_lag_ports = MLX5_GET(cmd_hca_cap, hcattr, num_lag_ports);
988 	attr->dev_freq_khz = MLX5_GET(cmd_hca_cap, hcattr,
989 				      device_frequency_khz);
990 	attr->scatter_fcs_w_decap_disable =
991 		MLX5_GET(cmd_hca_cap, hcattr, scatter_fcs_w_decap_disable);
992 	attr->roce = MLX5_GET(cmd_hca_cap, hcattr, roce);
993 	attr->rq_ts_format = MLX5_GET(cmd_hca_cap, hcattr, rq_ts_format);
994 	attr->sq_ts_format = MLX5_GET(cmd_hca_cap, hcattr, sq_ts_format);
995 	attr->steering_format_version =
996 		MLX5_GET(cmd_hca_cap, hcattr, steering_format_version);
997 	attr->regexp_params = MLX5_GET(cmd_hca_cap, hcattr, regexp_params);
998 	attr->regexp_version = MLX5_GET(cmd_hca_cap, hcattr, regexp_version);
999 	attr->regexp_num_of_engines = MLX5_GET(cmd_hca_cap, hcattr,
1000 					       regexp_num_of_engines);
1001 	/* Read the general_obj_types bitmap and extract the relevant bits. */
1002 	general_obj_types_supported = MLX5_GET64(cmd_hca_cap, hcattr,
1003 						 general_obj_types);
1004 	attr->vdpa.valid = !!(general_obj_types_supported &
1005 			      MLX5_GENERAL_OBJ_TYPES_CAP_VIRTQ_NET_Q);
1006 	attr->vdpa.queue_counters_valid =
1007 			!!(general_obj_types_supported &
1008 			   MLX5_GENERAL_OBJ_TYPES_CAP_VIRTIO_Q_COUNTERS);
1009 	attr->parse_graph_flex_node =
1010 			!!(general_obj_types_supported &
1011 			   MLX5_GENERAL_OBJ_TYPES_CAP_PARSE_GRAPH_FLEX_NODE);
1012 	attr->flow_hit_aso = !!(general_obj_types_supported &
1013 				MLX5_GENERAL_OBJ_TYPES_CAP_FLOW_HIT_ASO);
1014 	attr->geneve_tlv_opt = !!(general_obj_types_supported &
1015 				  MLX5_GENERAL_OBJ_TYPES_CAP_GENEVE_TLV_OPT);
1016 	attr->dek = !!(general_obj_types_supported &
1017 		       MLX5_GENERAL_OBJ_TYPES_CAP_DEK);
1018 	attr->import_kek = !!(general_obj_types_supported &
1019 			      MLX5_GENERAL_OBJ_TYPES_CAP_IMPORT_KEK);
1020 	attr->credential = !!(general_obj_types_supported &
1021 			      MLX5_GENERAL_OBJ_TYPES_CAP_CREDENTIAL);
1022 	attr->crypto_login = !!(general_obj_types_supported &
1023 				MLX5_GENERAL_OBJ_TYPES_CAP_CRYPTO_LOGIN);
1024 	/* Add reading of other GENERAL_OBJ_TYPES_CAP bits above this line. */
1025 	attr->log_max_cq = MLX5_GET(cmd_hca_cap, hcattr, log_max_cq);
1026 	attr->log_max_qp = MLX5_GET(cmd_hca_cap, hcattr, log_max_qp);
1027 	attr->log_max_cq_sz = MLX5_GET(cmd_hca_cap, hcattr, log_max_cq_sz);
1028 	attr->log_max_qp_sz = MLX5_GET(cmd_hca_cap, hcattr, log_max_qp_sz);
1029 	attr->log_max_mrw_sz = MLX5_GET(cmd_hca_cap, hcattr, log_max_mrw_sz);
1030 	attr->log_max_pd = MLX5_GET(cmd_hca_cap, hcattr, log_max_pd);
1031 	attr->log_max_srq = MLX5_GET(cmd_hca_cap, hcattr, log_max_srq);
1032 	attr->log_max_srq_sz = MLX5_GET(cmd_hca_cap, hcattr, log_max_srq_sz);
1033 	attr->reg_c_preserve =
1034 		MLX5_GET(cmd_hca_cap, hcattr, reg_c_preserve);
1035 	attr->mmo_regex_qp_en = MLX5_GET(cmd_hca_cap, hcattr, regexp_mmo_qp);
1036 	attr->mmo_regex_sq_en = MLX5_GET(cmd_hca_cap, hcattr, regexp_mmo_sq);
1037 	attr->mmo_dma_sq_en = MLX5_GET(cmd_hca_cap, hcattr, dma_mmo_sq);
1038 	attr->mmo_compress_sq_en = MLX5_GET(cmd_hca_cap, hcattr,
1039 			compress_mmo_sq);
1040 	attr->mmo_decompress_sq_en = MLX5_GET(cmd_hca_cap, hcattr,
1041 			decompress_mmo_sq);
1042 	attr->mmo_dma_qp_en = MLX5_GET(cmd_hca_cap, hcattr, dma_mmo_qp);
1043 	attr->mmo_compress_qp_en = MLX5_GET(cmd_hca_cap, hcattr,
1044 			compress_mmo_qp);
1045 	attr->decomp_deflate_v1_en = MLX5_GET(cmd_hca_cap, hcattr,
1046 					      decompress_deflate_v1);
1047 	attr->decomp_deflate_v2_en = MLX5_GET(cmd_hca_cap, hcattr,
1048 					      decompress_deflate_v2);
1049 	attr->compress_min_block_size = MLX5_GET(cmd_hca_cap, hcattr,
1050 						 compress_min_block_size);
1051 	attr->log_max_mmo_dma = MLX5_GET(cmd_hca_cap, hcattr, log_dma_mmo_size);
1052 	attr->log_max_mmo_compress = MLX5_GET(cmd_hca_cap, hcattr,
1053 					      log_compress_mmo_size);
1054 	attr->log_max_mmo_decompress = MLX5_GET(cmd_hca_cap, hcattr,
1055 						log_decompress_mmo_size);
1056 	attr->decomp_lz4_data_only_en = MLX5_GET(cmd_hca_cap, hcattr,
1057 						 decompress_lz4_data_only_v2);
1058 	attr->decomp_lz4_no_checksum_en = MLX5_GET(cmd_hca_cap, hcattr,
1059 						 decompress_lz4_no_checksum_v2);
1060 	attr->decomp_lz4_checksum_en = MLX5_GET(cmd_hca_cap, hcattr,
1061 						decompress_lz4_checksum_v2);
1062 	attr->cqe_compression = MLX5_GET(cmd_hca_cap, hcattr, cqe_compression);
1063 	attr->mini_cqe_resp_flow_tag = MLX5_GET(cmd_hca_cap, hcattr,
1064 						mini_cqe_resp_flow_tag);
1065 	attr->cqe_compression_128 = MLX5_GET(cmd_hca_cap, hcattr,
1066 						cqe_compression_128);
1067 	attr->mini_cqe_resp_l3_l4_tag = MLX5_GET(cmd_hca_cap, hcattr,
1068 						 mini_cqe_resp_l3_l4_tag);
1069 	attr->enhanced_cqe_compression = MLX5_GET(cmd_hca_cap, hcattr,
1070 						 enhanced_cqe_compression);
1071 	attr->umr_indirect_mkey_disabled =
1072 		MLX5_GET(cmd_hca_cap, hcattr, umr_indirect_mkey_disabled);
1073 	attr->umr_modify_entity_size_disabled =
1074 		MLX5_GET(cmd_hca_cap, hcattr, umr_modify_entity_size_disabled);
1075 	attr->wait_on_time = MLX5_GET(cmd_hca_cap, hcattr, wait_on_time);
1076 	attr->crypto = MLX5_GET(cmd_hca_cap, hcattr, crypto);
1077 	attr->ct_offload = !!(MLX5_GET64(cmd_hca_cap, hcattr,
1078 					 general_obj_types) &
1079 			      MLX5_GENERAL_OBJ_TYPES_CAP_CONN_TRACK_OFFLOAD);
1080 	attr->rq_delay_drop = MLX5_GET(cmd_hca_cap, hcattr, rq_delay_drop);
1081 	attr->nic_flow_table = MLX5_GET(cmd_hca_cap, hcattr, nic_flow_table);
1082 	attr->striding_rq = MLX5_GET(cmd_hca_cap, hcattr, striding_rq);
1083 	attr->ext_stride_num_range =
1084 		MLX5_GET(cmd_hca_cap, hcattr, ext_stride_num_range);
1085 	attr->max_flow_counter_15_0 = MLX5_GET(cmd_hca_cap, hcattr,
1086 			max_flow_counter_15_0);
1087 	attr->max_flow_counter_31_16 = MLX5_GET(cmd_hca_cap, hcattr,
1088 			max_flow_counter_31_16);
1089 	attr->alloc_flow_counter_pd = MLX5_GET(cmd_hca_cap, hcattr,
1090 			alloc_flow_counter_pd);
1091 	attr->flow_counter_access_aso = MLX5_GET(cmd_hca_cap, hcattr,
1092 			flow_counter_access_aso);
1093 	attr->flow_access_aso_opc_mod = MLX5_GET(cmd_hca_cap, hcattr,
1094 			flow_access_aso_opc_mod);
1095 	attr->wqe_based_flow_table_sup = MLX5_GET(cmd_hca_cap, hcattr,
1096 			wqe_based_flow_table_update_cap);
1097 	/*
1098 	 * Flex item support needs max_num_prog_sample_field
1099 	 * from the Capabilities 2 table for PARSE_GRAPH_NODE
1100 	 */
1101 	if (attr->parse_graph_flex_node) {
1102 		rc = mlx5_devx_cmd_query_hca_parse_graph_node_cap
1103 			(ctx, &attr->flex);
1104 		if (rc)
1105 			return -1;
1106 		attr->flex.query_match_sample_info = MLX5_GET(cmd_hca_cap, hcattr,
1107 							      query_match_sample_info);
1108 	}
1109 	if (attr->crypto) {
1110 		attr->aes_xts = MLX5_GET(cmd_hca_cap, hcattr, aes_xts) ||
1111 		MLX5_GET(cmd_hca_cap, hcattr, aes_xts_multi_block_be_tweak) ||
1112 		MLX5_GET(cmd_hca_cap, hcattr, aes_xts_single_block_le_tweak);
1113 		hcattr = mlx5_devx_get_hca_cap(ctx, in, out, &rc,
1114 				MLX5_GET_HCA_CAP_OP_MOD_CRYPTO |
1115 				MLX5_HCA_CAP_OPMOD_GET_CUR);
1116 		if (!hcattr)
1117 			return -1;
1118 		attr->crypto_wrapped_import_method = !!(MLX5_GET(crypto_caps,
1119 						hcattr, wrapped_import_method)
1120 						& 1 << 2);
1121 		attr->crypto_mmo.crypto_mmo_qp = MLX5_GET(crypto_caps, hcattr, crypto_mmo_qp);
1122 		attr->crypto_mmo.gcm_256_encrypt =
1123 			MLX5_GET(crypto_caps, hcattr, crypto_aes_gcm_256_encrypt);
1124 		attr->crypto_mmo.gcm_128_encrypt =
1125 			MLX5_GET(crypto_caps, hcattr, crypto_aes_gcm_128_encrypt);
1126 		attr->crypto_mmo.gcm_256_decrypt =
1127 			MLX5_GET(crypto_caps, hcattr, crypto_aes_gcm_256_decrypt);
1128 		attr->crypto_mmo.gcm_128_decrypt =
1129 			MLX5_GET(crypto_caps, hcattr, crypto_aes_gcm_128_decrypt);
1130 		attr->crypto_mmo.gcm_auth_tag_128 =
1131 			MLX5_GET(crypto_caps, hcattr, gcm_auth_tag_128);
1132 		attr->crypto_mmo.gcm_auth_tag_96 =
1133 			MLX5_GET(crypto_caps, hcattr, gcm_auth_tag_96);
1134 		attr->crypto_mmo.log_crypto_mmo_max_size =
1135 			MLX5_GET(crypto_caps, hcattr, log_crypto_mmo_max_size);
1136 	}
1137 	if (hca_cap_2_sup) {
1138 		hcattr = mlx5_devx_get_hca_cap(ctx, in, out, &rc,
1139 				MLX5_GET_HCA_CAP_OP_MOD_GENERAL_DEVICE_2 |
1140 				MLX5_HCA_CAP_OPMOD_GET_CUR);
1141 		if (!hcattr) {
1142 			DRV_LOG(DEBUG,
1143 				"Failed to query DevX HCA capabilities 2.");
1144 			return rc;
1145 		}
1146 		attr->log_min_stride_wqe_sz = MLX5_GET(cmd_hca_cap_2, hcattr,
1147 						       log_min_stride_wqe_sz);
1148 		attr->hairpin_sq_wqe_bb_size = MLX5_GET(cmd_hca_cap_2, hcattr,
1149 							hairpin_sq_wqe_bb_size);
1150 		attr->hairpin_sq_wq_in_host_mem = MLX5_GET(cmd_hca_cap_2, hcattr,
1151 							   hairpin_sq_wq_in_host_mem);
1152 		attr->hairpin_data_buffer_locked = MLX5_GET(cmd_hca_cap_2, hcattr,
1153 							    hairpin_data_buffer_locked);
1154 		attr->flow_counter_bulk_log_max_alloc = MLX5_GET(cmd_hca_cap_2,
1155 				hcattr, flow_counter_bulk_log_max_alloc);
1156 		attr->flow_counter_bulk_log_granularity =
1157 			MLX5_GET(cmd_hca_cap_2, hcattr,
1158 				 flow_counter_bulk_log_granularity);
1159 		rc = MLX5_GET(cmd_hca_cap_2, hcattr,
1160 			      cross_vhca_object_to_object_supported);
1161 		attr->cross_vhca =
1162 			(rc & MLX5_CROSS_VHCA_OBJ_TO_OBJ_TYPE_STC_TO_TIR) &&
1163 			(rc & MLX5_CROSS_VHCA_OBJ_TO_OBJ_TYPE_STC_TO_FT) &&
1164 			(rc & MLX5_CROSS_VHCA_OBJ_TO_OBJ_TYPE_FT_TO_FT) &&
1165 			(rc & MLX5_CROSS_VHCA_OBJ_TO_OBJ_TYPE_FT_TO_RTC);
1166 		rc = MLX5_GET(cmd_hca_cap_2, hcattr,
1167 			      allowed_object_for_other_vhca_access);
1168 		attr->cross_vhca = attr->cross_vhca &&
1169 			(rc & MLX5_CROSS_VHCA_ALLOWED_OBJS_TIR) &&
1170 			(rc & MLX5_CROSS_VHCA_ALLOWED_OBJS_FT) &&
1171 			(rc & MLX5_CROSS_VHCA_ALLOWED_OBJS_RTC);
1172 	}
1173 	if (attr->log_min_stride_wqe_sz == 0)
1174 		attr->log_min_stride_wqe_sz = MLX5_MPRQ_LOG_MIN_STRIDE_WQE_SIZE;
1175 	if (attr->qos.sup) {
1176 		hcattr = mlx5_devx_get_hca_cap(ctx, in, out, &rc,
1177 				MLX5_GET_HCA_CAP_OP_MOD_QOS_CAP |
1178 				MLX5_HCA_CAP_OPMOD_GET_CUR);
1179 		if (!hcattr) {
1180 			DRV_LOG(DEBUG, "Failed to query devx QOS capabilities");
1181 			return rc;
1182 		}
1183 		attr->qos.flow_meter_old =
1184 				MLX5_GET(qos_cap, hcattr, flow_meter_old);
1185 		attr->qos.log_max_flow_meter =
1186 				MLX5_GET(qos_cap, hcattr, log_max_flow_meter);
1187 		attr->qos.flow_meter_reg_c_ids =
1188 				MLX5_GET(qos_cap, hcattr, flow_meter_reg_id);
1189 		attr->qos.flow_meter =
1190 				MLX5_GET(qos_cap, hcattr, flow_meter);
1191 		attr->qos.packet_pacing =
1192 				MLX5_GET(qos_cap, hcattr, packet_pacing);
1193 		attr->qos.wqe_rate_pp =
1194 				MLX5_GET(qos_cap, hcattr, wqe_rate_pp);
1195 		if (attr->qos.flow_meter_aso_sup) {
1196 			attr->qos.log_meter_aso_granularity =
1197 				MLX5_GET(qos_cap, hcattr,
1198 					log_meter_aso_granularity);
1199 			attr->qos.log_meter_aso_max_alloc =
1200 				MLX5_GET(qos_cap, hcattr,
1201 					log_meter_aso_max_alloc);
1202 			attr->qos.log_max_num_meter_aso =
1203 				MLX5_GET(qos_cap, hcattr,
1204 					log_max_num_meter_aso);
1205 		}
1206 	}
1207 	if (attr->vdpa.valid)
1208 		mlx5_devx_cmd_query_hca_vdpa_attr(ctx, &attr->vdpa);
1209 	if (!attr->eth_net_offloads)
1210 		return 0;
1211 	/* Query Flow Sampler Capability From FLow Table Properties Layout. */
1212 	hcattr = mlx5_devx_get_hca_cap(ctx, in, out, &rc,
1213 			MLX5_GET_HCA_CAP_OP_MOD_NIC_FLOW_TABLE |
1214 			MLX5_HCA_CAP_OPMOD_GET_CUR);
1215 	if (!hcattr) {
1216 		attr->log_max_ft_sampler_num = 0;
1217 		return rc;
1218 	}
1219 	attr->log_max_ft_sampler_num = MLX5_GET
1220 		(flow_table_nic_cap, hcattr,
1221 		 flow_table_properties_nic_receive.log_max_ft_sampler_num);
1222 	attr->flow.tunnel_header_0_1 = MLX5_GET
1223 		(flow_table_nic_cap, hcattr,
1224 		 ft_field_support_2_nic_receive.tunnel_header_0_1);
1225 	attr->flow.tunnel_header_2_3 = MLX5_GET
1226 		(flow_table_nic_cap, hcattr,
1227 		 ft_field_support_2_nic_receive.tunnel_header_2_3);
1228 	attr->modify_outer_ip_ecn = MLX5_GET
1229 		(flow_table_nic_cap, hcattr,
1230 		 ft_header_modify_nic_receive.outer_ip_ecn);
1231 	attr->set_reg_c = 0xff;
1232 	if (attr->nic_flow_table) {
1233 #define GET_RX_REG_X_BITS \
1234 		MLX5_GET(flow_table_nic_cap, hcattr, \
1235 			 ft_header_modify_nic_receive.metadata_reg_c_x)
1236 #define GET_TX_REG_X_BITS \
1237 		MLX5_GET(flow_table_nic_cap, hcattr, \
1238 			 ft_header_modify_nic_transmit.metadata_reg_c_x)
1239 
1240 		uint32_t tx_reg, rx_reg;
1241 
1242 		tx_reg = GET_TX_REG_X_BITS;
1243 		rx_reg = GET_RX_REG_X_BITS;
1244 		attr->set_reg_c &= (rx_reg & tx_reg);
1245 
1246 #undef GET_RX_REG_X_BITS
1247 #undef GET_TX_REG_X_BITS
1248 	}
1249 	attr->pkt_integrity_match = mlx5_devx_query_pkt_integrity_match(hcattr);
1250 	attr->inner_ipv4_ihl = MLX5_GET
1251 		(flow_table_nic_cap, hcattr,
1252 		 ft_field_support_2_nic_receive.inner_ipv4_ihl);
1253 	attr->outer_ipv4_ihl = MLX5_GET
1254 		(flow_table_nic_cap, hcattr,
1255 		 ft_field_support_2_nic_receive.outer_ipv4_ihl);
1256 	attr->lag_rx_port_affinity = MLX5_GET
1257 		(flow_table_nic_cap, hcattr,
1258 		 ft_field_support_2_nic_receive.lag_rx_port_affinity);
1259 	/* Query HCA offloads for Ethernet protocol. */
1260 	hcattr = mlx5_devx_get_hca_cap(ctx, in, out, &rc,
1261 			MLX5_GET_HCA_CAP_OP_MOD_ETHERNET_OFFLOAD_CAPS |
1262 			MLX5_HCA_CAP_OPMOD_GET_CUR);
1263 	if (!hcattr) {
1264 		attr->eth_net_offloads = 0;
1265 		return rc;
1266 	}
1267 	attr->wqe_vlan_insert = MLX5_GET(per_protocol_networking_offload_caps,
1268 					 hcattr, wqe_vlan_insert);
1269 	attr->csum_cap = MLX5_GET(per_protocol_networking_offload_caps,
1270 					 hcattr, csum_cap);
1271 	attr->vlan_cap = MLX5_GET(per_protocol_networking_offload_caps,
1272 					 hcattr, vlan_cap);
1273 	attr->lro_cap = MLX5_GET(per_protocol_networking_offload_caps, hcattr,
1274 				 lro_cap);
1275 	attr->max_lso_cap = MLX5_GET(per_protocol_networking_offload_caps,
1276 				 hcattr, max_lso_cap);
1277 	attr->scatter_fcs = MLX5_GET(per_protocol_networking_offload_caps,
1278 				 hcattr, scatter_fcs);
1279 	attr->tunnel_lro_gre = MLX5_GET(per_protocol_networking_offload_caps,
1280 					hcattr, tunnel_lro_gre);
1281 	attr->tunnel_lro_vxlan = MLX5_GET(per_protocol_networking_offload_caps,
1282 					  hcattr, tunnel_lro_vxlan);
1283 	attr->swp = MLX5_GET(per_protocol_networking_offload_caps,
1284 					  hcattr, swp);
1285 	attr->tunnel_stateless_gre =
1286 				MLX5_GET(per_protocol_networking_offload_caps,
1287 					  hcattr, tunnel_stateless_gre);
1288 	attr->tunnel_stateless_vxlan =
1289 				MLX5_GET(per_protocol_networking_offload_caps,
1290 					  hcattr, tunnel_stateless_vxlan);
1291 	attr->swp_csum = MLX5_GET(per_protocol_networking_offload_caps,
1292 					  hcattr, swp_csum);
1293 	attr->swp_lso = MLX5_GET(per_protocol_networking_offload_caps,
1294 					  hcattr, swp_lso);
1295 	attr->lro_max_msg_sz_mode = MLX5_GET
1296 					(per_protocol_networking_offload_caps,
1297 					 hcattr, lro_max_msg_sz_mode);
1298 	for (i = 0 ; i < MLX5_LRO_NUM_SUPP_PERIODS ; i++) {
1299 		attr->lro_timer_supported_periods[i] =
1300 			MLX5_GET(per_protocol_networking_offload_caps, hcattr,
1301 				 lro_timer_supported_periods[i]);
1302 	}
1303 	attr->lro_min_mss_size = MLX5_GET(per_protocol_networking_offload_caps,
1304 					  hcattr, lro_min_mss_size);
1305 	attr->tunnel_stateless_geneve_rx =
1306 			    MLX5_GET(per_protocol_networking_offload_caps,
1307 				     hcattr, tunnel_stateless_geneve_rx);
1308 	attr->geneve_max_opt_len =
1309 		    MLX5_GET(per_protocol_networking_offload_caps,
1310 			     hcattr, max_geneve_opt_len);
1311 	attr->wqe_inline_mode = MLX5_GET(per_protocol_networking_offload_caps,
1312 					 hcattr, wqe_inline_mode);
1313 	attr->tunnel_stateless_gtp = MLX5_GET
1314 					(per_protocol_networking_offload_caps,
1315 					 hcattr, tunnel_stateless_gtp);
1316 	attr->tunnel_stateless_vxlan_gpe_nsh = MLX5_GET
1317 					(per_protocol_networking_offload_caps,
1318 					 hcattr, tunnel_stateless_vxlan_gpe_nsh);
1319 	attr->rss_ind_tbl_cap = MLX5_GET
1320 					(per_protocol_networking_offload_caps,
1321 					 hcattr, rss_ind_tbl_cap);
1322 	attr->multi_pkt_send_wqe = MLX5_GET
1323 					(per_protocol_networking_offload_caps,
1324 					 hcattr, multi_pkt_send_wqe);
1325 	attr->enhanced_multi_pkt_send_wqe = MLX5_GET
1326 					(per_protocol_networking_offload_caps,
1327 					 hcattr, enhanced_multi_pkt_send_wqe);
1328 	if (attr->wqe_based_flow_table_sup) {
1329 		hcattr = mlx5_devx_get_hca_cap(ctx, in, out, &rc,
1330 				MLX5_GET_HCA_CAP_OP_MOD_WQE_BASED_FLOW_TABLE |
1331 				MLX5_HCA_CAP_OPMOD_GET_CUR);
1332 		if (!hcattr) {
1333 			DRV_LOG(DEBUG, "Failed to query WQE Based Flow table capabilities");
1334 			return rc;
1335 		}
1336 		attr->max_header_modify_pattern_length = MLX5_GET(wqe_based_flow_table_cap,
1337 								  hcattr,
1338 								  max_header_modify_pattern_length);
1339 	}
1340 	/* Query HCA attribute for ROCE. */
1341 	if (attr->roce) {
1342 		hcattr = mlx5_devx_get_hca_cap(ctx, in, out, &rc,
1343 				MLX5_GET_HCA_CAP_OP_MOD_ROCE |
1344 				MLX5_HCA_CAP_OPMOD_GET_CUR);
1345 		if (!hcattr) {
1346 			DRV_LOG(DEBUG,
1347 				"Failed to query devx HCA ROCE capabilities");
1348 			return rc;
1349 		}
1350 		attr->qp_ts_format = MLX5_GET(roce_caps, hcattr, qp_ts_format);
1351 	}
1352 	if (attr->eth_virt &&
1353 	    attr->wqe_inline_mode == MLX5_CAP_INLINE_MODE_VPORT_CONTEXT) {
1354 		rc = mlx5_devx_cmd_query_nic_vport_context(ctx, 0, attr);
1355 		if (rc) {
1356 			attr->eth_virt = 0;
1357 			goto error;
1358 		}
1359 	}
1360 	if (attr->eswitch_manager) {
1361 		hcattr = mlx5_devx_get_hca_cap(ctx, in, out, &rc,
1362 				MLX5_SET_HCA_CAP_OP_MOD_ESW |
1363 				MLX5_HCA_CAP_OPMOD_GET_CUR);
1364 		if (!hcattr)
1365 			return rc;
1366 		attr->esw_mgr_vport_id_valid =
1367 			MLX5_GET(esw_cap, hcattr,
1368 				 esw_manager_vport_number_valid);
1369 		attr->esw_mgr_vport_id =
1370 			MLX5_GET(esw_cap, hcattr, esw_manager_vport_number);
1371 	}
1372 	if (attr->eswitch_manager) {
1373 		uint32_t esw_reg;
1374 
1375 		hcattr = mlx5_devx_get_hca_cap(ctx, in, out, &rc,
1376 				MLX5_GET_HCA_CAP_OP_MOD_ESW_FLOW_TABLE |
1377 				MLX5_HCA_CAP_OPMOD_GET_CUR);
1378 		if (!hcattr)
1379 			return rc;
1380 		esw_reg = MLX5_GET(flow_table_esw_cap, hcattr,
1381 				   ft_header_modify_esw_fdb.metadata_reg_c_x);
1382 		attr->set_reg_c &= esw_reg;
1383 	}
1384 	return 0;
1385 error:
1386 	rc = (rc > 0) ? -rc : rc;
1387 	return rc;
1388 }
1389 
1390 /**
1391  * Query TIS transport domain from QP verbs object using DevX API.
1392  *
1393  * @param[in] qp
1394  *   Pointer to verbs QP returned by ibv_create_qp .
1395  * @param[in] tis_num
1396  *   TIS number of TIS to query.
1397  * @param[out] tis_td
1398  *   Pointer to TIS transport domain variable, to be set by the routine.
1399  *
1400  * @return
1401  *   0 on success, a negative value otherwise.
1402  */
1403 int
1404 mlx5_devx_cmd_qp_query_tis_td(void *qp, uint32_t tis_num,
1405 			      uint32_t *tis_td)
1406 {
1407 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
1408 	uint32_t in[MLX5_ST_SZ_DW(query_tis_in)] = {0};
1409 	uint32_t out[MLX5_ST_SZ_DW(query_tis_out)] = {0};
1410 	int rc;
1411 	void *tis_ctx;
1412 
1413 	MLX5_SET(query_tis_in, in, opcode, MLX5_CMD_OP_QUERY_TIS);
1414 	MLX5_SET(query_tis_in, in, tisn, tis_num);
1415 	rc = mlx5_glue->devx_qp_query(qp, in, sizeof(in), out, sizeof(out));
1416 	if (rc) {
1417 		DRV_LOG(ERR, "Failed to query QP using DevX");
1418 		return -rc;
1419 	};
1420 	tis_ctx = MLX5_ADDR_OF(query_tis_out, out, tis_context);
1421 	*tis_td = MLX5_GET(tisc, tis_ctx, transport_domain);
1422 	return 0;
1423 #else
1424 	(void)qp;
1425 	(void)tis_num;
1426 	(void)tis_td;
1427 	return -ENOTSUP;
1428 #endif
1429 }
1430 
1431 /**
1432  * Fill WQ data for DevX API command.
1433  * Utility function for use when creating DevX objects containing a WQ.
1434  *
1435  * @param[in] wq_ctx
1436  *   Pointer to WQ context to fill with data.
1437  * @param [in] wq_attr
1438  *   Pointer to WQ attributes structure to fill in WQ context.
1439  */
1440 static void
1441 devx_cmd_fill_wq_data(void *wq_ctx, struct mlx5_devx_wq_attr *wq_attr)
1442 {
1443 	MLX5_SET(wq, wq_ctx, wq_type, wq_attr->wq_type);
1444 	MLX5_SET(wq, wq_ctx, wq_signature, wq_attr->wq_signature);
1445 	MLX5_SET(wq, wq_ctx, end_padding_mode, wq_attr->end_padding_mode);
1446 	MLX5_SET(wq, wq_ctx, cd_slave, wq_attr->cd_slave);
1447 	MLX5_SET(wq, wq_ctx, hds_skip_first_sge, wq_attr->hds_skip_first_sge);
1448 	MLX5_SET(wq, wq_ctx, log2_hds_buf_size, wq_attr->log2_hds_buf_size);
1449 	MLX5_SET(wq, wq_ctx, page_offset, wq_attr->page_offset);
1450 	MLX5_SET(wq, wq_ctx, lwm, wq_attr->lwm);
1451 	MLX5_SET(wq, wq_ctx, pd, wq_attr->pd);
1452 	MLX5_SET(wq, wq_ctx, uar_page, wq_attr->uar_page);
1453 	MLX5_SET64(wq, wq_ctx, dbr_addr, wq_attr->dbr_addr);
1454 	MLX5_SET(wq, wq_ctx, hw_counter, wq_attr->hw_counter);
1455 	MLX5_SET(wq, wq_ctx, sw_counter, wq_attr->sw_counter);
1456 	MLX5_SET(wq, wq_ctx, log_wq_stride, wq_attr->log_wq_stride);
1457 	if (wq_attr->log_wq_pg_sz > MLX5_ADAPTER_PAGE_SHIFT)
1458 		MLX5_SET(wq, wq_ctx, log_wq_pg_sz,
1459 			 wq_attr->log_wq_pg_sz - MLX5_ADAPTER_PAGE_SHIFT);
1460 	MLX5_SET(wq, wq_ctx, log_wq_sz, wq_attr->log_wq_sz);
1461 	MLX5_SET(wq, wq_ctx, dbr_umem_valid, wq_attr->dbr_umem_valid);
1462 	MLX5_SET(wq, wq_ctx, wq_umem_valid, wq_attr->wq_umem_valid);
1463 	MLX5_SET(wq, wq_ctx, log_hairpin_num_packets,
1464 		 wq_attr->log_hairpin_num_packets);
1465 	MLX5_SET(wq, wq_ctx, log_hairpin_data_sz, wq_attr->log_hairpin_data_sz);
1466 	MLX5_SET(wq, wq_ctx, single_wqe_log_num_of_strides,
1467 		 wq_attr->single_wqe_log_num_of_strides);
1468 	MLX5_SET(wq, wq_ctx, two_byte_shift_en, wq_attr->two_byte_shift_en);
1469 	MLX5_SET(wq, wq_ctx, single_stride_log_num_of_bytes,
1470 		 wq_attr->single_stride_log_num_of_bytes);
1471 	MLX5_SET(wq, wq_ctx, dbr_umem_id, wq_attr->dbr_umem_id);
1472 	MLX5_SET(wq, wq_ctx, wq_umem_id, wq_attr->wq_umem_id);
1473 	MLX5_SET64(wq, wq_ctx, wq_umem_offset, wq_attr->wq_umem_offset);
1474 }
1475 
1476 /**
1477  * Create RQ using DevX API.
1478  *
1479  * @param[in] ctx
1480  *   Context returned from mlx5 open_device() glue function.
1481  * @param [in] rq_attr
1482  *   Pointer to create RQ attributes structure.
1483  * @param [in] socket
1484  *   CPU socket ID for allocations.
1485  *
1486  * @return
1487  *   The DevX object created, NULL otherwise and rte_errno is set.
1488  */
1489 struct mlx5_devx_obj *
1490 mlx5_devx_cmd_create_rq(void *ctx,
1491 			struct mlx5_devx_create_rq_attr *rq_attr,
1492 			int socket)
1493 {
1494 	uint32_t in[MLX5_ST_SZ_DW(create_rq_in)] = {0};
1495 	uint32_t out[MLX5_ST_SZ_DW(create_rq_out)] = {0};
1496 	void *rq_ctx, *wq_ctx;
1497 	struct mlx5_devx_wq_attr *wq_attr;
1498 	struct mlx5_devx_obj *rq = NULL;
1499 
1500 	rq = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*rq), 0, socket);
1501 	if (!rq) {
1502 		DRV_LOG(ERR, "Failed to allocate RQ data");
1503 		rte_errno = ENOMEM;
1504 		return NULL;
1505 	}
1506 	MLX5_SET(create_rq_in, in, opcode, MLX5_CMD_OP_CREATE_RQ);
1507 	rq_ctx = MLX5_ADDR_OF(create_rq_in, in, ctx);
1508 	MLX5_SET(rqc, rq_ctx, rlky, rq_attr->rlky);
1509 	MLX5_SET(rqc, rq_ctx, delay_drop_en, rq_attr->delay_drop_en);
1510 	MLX5_SET(rqc, rq_ctx, scatter_fcs, rq_attr->scatter_fcs);
1511 	MLX5_SET(rqc, rq_ctx, vsd, rq_attr->vsd);
1512 	MLX5_SET(rqc, rq_ctx, mem_rq_type, rq_attr->mem_rq_type);
1513 	MLX5_SET(rqc, rq_ctx, state, rq_attr->state);
1514 	MLX5_SET(rqc, rq_ctx, flush_in_error_en, rq_attr->flush_in_error_en);
1515 	MLX5_SET(rqc, rq_ctx, hairpin, rq_attr->hairpin);
1516 	MLX5_SET(rqc, rq_ctx, hairpin_data_buffer_type, rq_attr->hairpin_data_buffer_type);
1517 	MLX5_SET(rqc, rq_ctx, user_index, rq_attr->user_index);
1518 	MLX5_SET(rqc, rq_ctx, cqn, rq_attr->cqn);
1519 	MLX5_SET(rqc, rq_ctx, counter_set_id, rq_attr->counter_set_id);
1520 	MLX5_SET(rqc, rq_ctx, rmpn, rq_attr->rmpn);
1521 	MLX5_SET(sqc, rq_ctx, ts_format, rq_attr->ts_format);
1522 	wq_ctx = MLX5_ADDR_OF(rqc, rq_ctx, wq);
1523 	wq_attr = &rq_attr->wq_attr;
1524 	devx_cmd_fill_wq_data(wq_ctx, wq_attr);
1525 	rq->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
1526 						  out, sizeof(out));
1527 	if (!rq->obj) {
1528 		DEVX_DRV_LOG(ERR, out, "create RQ", NULL, 0);
1529 		mlx5_free(rq);
1530 		return NULL;
1531 	}
1532 	rq->id = MLX5_GET(create_rq_out, out, rqn);
1533 	return rq;
1534 }
1535 
1536 /**
1537  * Modify RQ using DevX API.
1538  *
1539  * @param[in] rq
1540  *   Pointer to RQ object structure.
1541  * @param [in] rq_attr
1542  *   Pointer to modify RQ attributes structure.
1543  *
1544  * @return
1545  *   0 on success, a negative errno value otherwise and rte_errno is set.
1546  */
1547 int
1548 mlx5_devx_cmd_modify_rq(struct mlx5_devx_obj *rq,
1549 			struct mlx5_devx_modify_rq_attr *rq_attr)
1550 {
1551 	uint32_t in[MLX5_ST_SZ_DW(modify_rq_in)] = {0};
1552 	uint32_t out[MLX5_ST_SZ_DW(modify_rq_out)] = {0};
1553 	void *rq_ctx, *wq_ctx;
1554 	int ret;
1555 
1556 	MLX5_SET(modify_rq_in, in, opcode, MLX5_CMD_OP_MODIFY_RQ);
1557 	MLX5_SET(modify_rq_in, in, rq_state, rq_attr->rq_state);
1558 	MLX5_SET(modify_rq_in, in, rqn, rq->id);
1559 	MLX5_SET64(modify_rq_in, in, modify_bitmask, rq_attr->modify_bitmask);
1560 	rq_ctx = MLX5_ADDR_OF(modify_rq_in, in, ctx);
1561 	MLX5_SET(rqc, rq_ctx, state, rq_attr->state);
1562 	if (rq_attr->modify_bitmask &
1563 			MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_SCATTER_FCS)
1564 		MLX5_SET(rqc, rq_ctx, scatter_fcs, rq_attr->scatter_fcs);
1565 	if (rq_attr->modify_bitmask & MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_VSD)
1566 		MLX5_SET(rqc, rq_ctx, vsd, rq_attr->vsd);
1567 	if (rq_attr->modify_bitmask &
1568 			MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_RQ_COUNTER_SET_ID)
1569 		MLX5_SET(rqc, rq_ctx, counter_set_id, rq_attr->counter_set_id);
1570 	MLX5_SET(rqc, rq_ctx, hairpin_peer_sq, rq_attr->hairpin_peer_sq);
1571 	MLX5_SET(rqc, rq_ctx, hairpin_peer_vhca, rq_attr->hairpin_peer_vhca);
1572 	if (rq_attr->modify_bitmask & MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_WQ_LWM) {
1573 		wq_ctx = MLX5_ADDR_OF(rqc, rq_ctx, wq);
1574 		MLX5_SET(wq, wq_ctx, lwm, rq_attr->lwm);
1575 	}
1576 	ret = mlx5_glue->devx_obj_modify(rq->obj, in, sizeof(in),
1577 					 out, sizeof(out));
1578 	if (ret) {
1579 		DRV_LOG(ERR, "Failed to modify RQ using DevX");
1580 		rte_errno = errno;
1581 		return -errno;
1582 	}
1583 	return ret;
1584 }
1585 
1586 /**
1587  * Create RMP using DevX API.
1588  *
1589  * @param[in] ctx
1590  *   Context returned from mlx5 open_device() glue function.
1591  * @param [in] rmp_attr
1592  *   Pointer to create RMP attributes structure.
1593  * @param [in] socket
1594  *   CPU socket ID for allocations.
1595  *
1596  * @return
1597  *   The DevX object created, NULL otherwise and rte_errno is set.
1598  */
1599 struct mlx5_devx_obj *
1600 mlx5_devx_cmd_create_rmp(void *ctx,
1601 			 struct mlx5_devx_create_rmp_attr *rmp_attr,
1602 			 int socket)
1603 {
1604 	uint32_t in[MLX5_ST_SZ_DW(create_rmp_in)] = {0};
1605 	uint32_t out[MLX5_ST_SZ_DW(create_rmp_out)] = {0};
1606 	void *rmp_ctx, *wq_ctx;
1607 	struct mlx5_devx_wq_attr *wq_attr;
1608 	struct mlx5_devx_obj *rmp = NULL;
1609 
1610 	rmp = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*rmp), 0, socket);
1611 	if (!rmp) {
1612 		DRV_LOG(ERR, "Failed to allocate RMP data");
1613 		rte_errno = ENOMEM;
1614 		return NULL;
1615 	}
1616 	MLX5_SET(create_rmp_in, in, opcode, MLX5_CMD_OP_CREATE_RMP);
1617 	rmp_ctx = MLX5_ADDR_OF(create_rmp_in, in, ctx);
1618 	MLX5_SET(rmpc, rmp_ctx, state, rmp_attr->state);
1619 	MLX5_SET(rmpc, rmp_ctx, basic_cyclic_rcv_wqe,
1620 		 rmp_attr->basic_cyclic_rcv_wqe);
1621 	wq_ctx = MLX5_ADDR_OF(rmpc, rmp_ctx, wq);
1622 	wq_attr = &rmp_attr->wq_attr;
1623 	devx_cmd_fill_wq_data(wq_ctx, wq_attr);
1624 	rmp->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in), out,
1625 					      sizeof(out));
1626 	if (!rmp->obj) {
1627 		DEVX_DRV_LOG(ERR, out, "create RMP", NULL, 0);
1628 		mlx5_free(rmp);
1629 		return NULL;
1630 	}
1631 	rmp->id = MLX5_GET(create_rmp_out, out, rmpn);
1632 	return rmp;
1633 }
1634 
1635 /*
1636  * Create TIR using DevX API.
1637  *
1638  * @param[in] ctx
1639  *  Context returned from mlx5 open_device() glue function.
1640  * @param [in] tir_attr
1641  *   Pointer to TIR attributes structure.
1642  *
1643  * @return
1644  *   The DevX object created, NULL otherwise and rte_errno is set.
1645  */
1646 struct mlx5_devx_obj *
1647 mlx5_devx_cmd_create_tir(void *ctx,
1648 			 struct mlx5_devx_tir_attr *tir_attr)
1649 {
1650 	uint32_t in[MLX5_ST_SZ_DW(create_tir_in)] = {0};
1651 	uint32_t out[MLX5_ST_SZ_DW(create_tir_out)] = {0};
1652 	void *tir_ctx, *outer, *inner, *rss_key;
1653 	struct mlx5_devx_obj *tir = NULL;
1654 
1655 	tir = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*tir), 0, SOCKET_ID_ANY);
1656 	if (!tir) {
1657 		DRV_LOG(ERR, "Failed to allocate TIR data");
1658 		rte_errno = ENOMEM;
1659 		return NULL;
1660 	}
1661 	MLX5_SET(create_tir_in, in, opcode, MLX5_CMD_OP_CREATE_TIR);
1662 	tir_ctx = MLX5_ADDR_OF(create_tir_in, in, ctx);
1663 	MLX5_SET(tirc, tir_ctx, disp_type, tir_attr->disp_type);
1664 	MLX5_SET(tirc, tir_ctx, lro_timeout_period_usecs,
1665 		 tir_attr->lro_timeout_period_usecs);
1666 	MLX5_SET(tirc, tir_ctx, lro_enable_mask, tir_attr->lro_enable_mask);
1667 	MLX5_SET(tirc, tir_ctx, lro_max_msg_sz, tir_attr->lro_max_msg_sz);
1668 	MLX5_SET(tirc, tir_ctx, inline_rqn, tir_attr->inline_rqn);
1669 	MLX5_SET(tirc, tir_ctx, rx_hash_symmetric, tir_attr->rx_hash_symmetric);
1670 	MLX5_SET(tirc, tir_ctx, tunneled_offload_en,
1671 		 tir_attr->tunneled_offload_en);
1672 	MLX5_SET(tirc, tir_ctx, indirect_table, tir_attr->indirect_table);
1673 	MLX5_SET(tirc, tir_ctx, rx_hash_fn, tir_attr->rx_hash_fn);
1674 	MLX5_SET(tirc, tir_ctx, self_lb_block, tir_attr->self_lb_block);
1675 	MLX5_SET(tirc, tir_ctx, transport_domain, tir_attr->transport_domain);
1676 	rss_key = MLX5_ADDR_OF(tirc, tir_ctx, rx_hash_toeplitz_key);
1677 	memcpy(rss_key, tir_attr->rx_hash_toeplitz_key, MLX5_RSS_HASH_KEY_LEN);
1678 	outer = MLX5_ADDR_OF(tirc, tir_ctx, rx_hash_field_selector_outer);
1679 	MLX5_SET(rx_hash_field_select, outer, l3_prot_type,
1680 		 tir_attr->rx_hash_field_selector_outer.l3_prot_type);
1681 	MLX5_SET(rx_hash_field_select, outer, l4_prot_type,
1682 		 tir_attr->rx_hash_field_selector_outer.l4_prot_type);
1683 	MLX5_SET(rx_hash_field_select, outer, selected_fields,
1684 		 tir_attr->rx_hash_field_selector_outer.selected_fields);
1685 	inner = MLX5_ADDR_OF(tirc, tir_ctx, rx_hash_field_selector_inner);
1686 	MLX5_SET(rx_hash_field_select, inner, l3_prot_type,
1687 		 tir_attr->rx_hash_field_selector_inner.l3_prot_type);
1688 	MLX5_SET(rx_hash_field_select, inner, l4_prot_type,
1689 		 tir_attr->rx_hash_field_selector_inner.l4_prot_type);
1690 	MLX5_SET(rx_hash_field_select, inner, selected_fields,
1691 		 tir_attr->rx_hash_field_selector_inner.selected_fields);
1692 	tir->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
1693 						   out, sizeof(out));
1694 	if (!tir->obj) {
1695 		DEVX_DRV_LOG(ERR, out, "create TIR", NULL, 0);
1696 		mlx5_free(tir);
1697 		return NULL;
1698 	}
1699 	tir->id = MLX5_GET(create_tir_out, out, tirn);
1700 	return tir;
1701 }
1702 
1703 /**
1704  * Modify TIR using DevX API.
1705  *
1706  * @param[in] tir
1707  *   Pointer to TIR DevX object structure.
1708  * @param [in] modify_tir_attr
1709  *   Pointer to TIR modification attributes structure.
1710  *
1711  * @return
1712  *   0 on success, a negative errno value otherwise and rte_errno is set.
1713  */
1714 int
1715 mlx5_devx_cmd_modify_tir(struct mlx5_devx_obj *tir,
1716 			 struct mlx5_devx_modify_tir_attr *modify_tir_attr)
1717 {
1718 	struct mlx5_devx_tir_attr *tir_attr = &modify_tir_attr->tir;
1719 	uint32_t in[MLX5_ST_SZ_DW(modify_tir_in)] = {0};
1720 	uint32_t out[MLX5_ST_SZ_DW(modify_tir_out)] = {0};
1721 	void *tir_ctx;
1722 	int ret;
1723 
1724 	MLX5_SET(modify_tir_in, in, opcode, MLX5_CMD_OP_MODIFY_TIR);
1725 	MLX5_SET(modify_tir_in, in, tirn, modify_tir_attr->tirn);
1726 	MLX5_SET64(modify_tir_in, in, modify_bitmask,
1727 		   modify_tir_attr->modify_bitmask);
1728 	tir_ctx = MLX5_ADDR_OF(modify_rq_in, in, ctx);
1729 	if (modify_tir_attr->modify_bitmask &
1730 			MLX5_MODIFY_TIR_IN_MODIFY_BITMASK_LRO) {
1731 		MLX5_SET(tirc, tir_ctx, lro_timeout_period_usecs,
1732 			 tir_attr->lro_timeout_period_usecs);
1733 		MLX5_SET(tirc, tir_ctx, lro_enable_mask,
1734 			 tir_attr->lro_enable_mask);
1735 		MLX5_SET(tirc, tir_ctx, lro_max_msg_sz,
1736 			 tir_attr->lro_max_msg_sz);
1737 	}
1738 	if (modify_tir_attr->modify_bitmask &
1739 			MLX5_MODIFY_TIR_IN_MODIFY_BITMASK_INDIRECT_TABLE)
1740 		MLX5_SET(tirc, tir_ctx, indirect_table,
1741 			 tir_attr->indirect_table);
1742 	if (modify_tir_attr->modify_bitmask &
1743 			MLX5_MODIFY_TIR_IN_MODIFY_BITMASK_HASH) {
1744 		int i;
1745 		void *outer, *inner;
1746 
1747 		MLX5_SET(tirc, tir_ctx, rx_hash_symmetric,
1748 			 tir_attr->rx_hash_symmetric);
1749 		MLX5_SET(tirc, tir_ctx, rx_hash_fn, tir_attr->rx_hash_fn);
1750 		for (i = 0; i < 10; i++) {
1751 			MLX5_SET(tirc, tir_ctx, rx_hash_toeplitz_key[i],
1752 				 tir_attr->rx_hash_toeplitz_key[i]);
1753 		}
1754 		outer = MLX5_ADDR_OF(tirc, tir_ctx,
1755 				     rx_hash_field_selector_outer);
1756 		MLX5_SET(rx_hash_field_select, outer, l3_prot_type,
1757 			 tir_attr->rx_hash_field_selector_outer.l3_prot_type);
1758 		MLX5_SET(rx_hash_field_select, outer, l4_prot_type,
1759 			 tir_attr->rx_hash_field_selector_outer.l4_prot_type);
1760 		MLX5_SET
1761 		(rx_hash_field_select, outer, selected_fields,
1762 		 tir_attr->rx_hash_field_selector_outer.selected_fields);
1763 		inner = MLX5_ADDR_OF(tirc, tir_ctx,
1764 				     rx_hash_field_selector_inner);
1765 		MLX5_SET(rx_hash_field_select, inner, l3_prot_type,
1766 			 tir_attr->rx_hash_field_selector_inner.l3_prot_type);
1767 		MLX5_SET(rx_hash_field_select, inner, l4_prot_type,
1768 			 tir_attr->rx_hash_field_selector_inner.l4_prot_type);
1769 		MLX5_SET
1770 		(rx_hash_field_select, inner, selected_fields,
1771 		 tir_attr->rx_hash_field_selector_inner.selected_fields);
1772 	}
1773 	if (modify_tir_attr->modify_bitmask &
1774 	    MLX5_MODIFY_TIR_IN_MODIFY_BITMASK_SELF_LB_EN) {
1775 		MLX5_SET(tirc, tir_ctx, self_lb_block, tir_attr->self_lb_block);
1776 	}
1777 	ret = mlx5_glue->devx_obj_modify(tir->obj, in, sizeof(in),
1778 					 out, sizeof(out));
1779 	if (ret) {
1780 		DRV_LOG(ERR, "Failed to modify TIR using DevX");
1781 		rte_errno = errno;
1782 		return -errno;
1783 	}
1784 	return ret;
1785 }
1786 
1787 /**
1788  * Create RQT using DevX API.
1789  *
1790  * @param[in] ctx
1791  *   Context returned from mlx5 open_device() glue function.
1792  * @param [in] rqt_attr
1793  *   Pointer to RQT attributes structure.
1794  *
1795  * @return
1796  *   The DevX object created, NULL otherwise and rte_errno is set.
1797  */
1798 struct mlx5_devx_obj *
1799 mlx5_devx_cmd_create_rqt(void *ctx,
1800 			 struct mlx5_devx_rqt_attr *rqt_attr)
1801 {
1802 	uint32_t *in = NULL;
1803 	uint32_t inlen = MLX5_ST_SZ_BYTES(create_rqt_in) +
1804 			 rqt_attr->rqt_actual_size * sizeof(uint32_t);
1805 	uint32_t out[MLX5_ST_SZ_DW(create_rqt_out)] = {0};
1806 	void *rqt_ctx;
1807 	struct mlx5_devx_obj *rqt = NULL;
1808 	int i;
1809 
1810 	in = mlx5_malloc(MLX5_MEM_ZERO, inlen, 0, SOCKET_ID_ANY);
1811 	if (!in) {
1812 		DRV_LOG(ERR, "Failed to allocate RQT IN data");
1813 		rte_errno = ENOMEM;
1814 		return NULL;
1815 	}
1816 	rqt = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*rqt), 0, SOCKET_ID_ANY);
1817 	if (!rqt) {
1818 		DRV_LOG(ERR, "Failed to allocate RQT data");
1819 		rte_errno = ENOMEM;
1820 		mlx5_free(in);
1821 		return NULL;
1822 	}
1823 	MLX5_SET(create_rqt_in, in, opcode, MLX5_CMD_OP_CREATE_RQT);
1824 	rqt_ctx = MLX5_ADDR_OF(create_rqt_in, in, rqt_context);
1825 	MLX5_SET(rqtc, rqt_ctx, list_q_type, rqt_attr->rq_type);
1826 	MLX5_SET(rqtc, rqt_ctx, rqt_max_size, rqt_attr->rqt_max_size);
1827 	MLX5_SET(rqtc, rqt_ctx, rqt_actual_size, rqt_attr->rqt_actual_size);
1828 	for (i = 0; i < rqt_attr->rqt_actual_size; i++)
1829 		MLX5_SET(rqtc, rqt_ctx, rq_num[i], rqt_attr->rq_list[i]);
1830 	rqt->obj = mlx5_glue->devx_obj_create(ctx, in, inlen, out, sizeof(out));
1831 	mlx5_free(in);
1832 	if (!rqt->obj) {
1833 		DEVX_DRV_LOG(ERR, out, "create RQT", NULL, 0);
1834 		mlx5_free(rqt);
1835 		return NULL;
1836 	}
1837 	rqt->id = MLX5_GET(create_rqt_out, out, rqtn);
1838 	return rqt;
1839 }
1840 
1841 /**
1842  * Modify RQT using DevX API.
1843  *
1844  * @param[in] rqt
1845  *   Pointer to RQT DevX object structure.
1846  * @param [in] rqt_attr
1847  *   Pointer to RQT attributes structure.
1848  *
1849  * @return
1850  *   0 on success, a negative errno value otherwise and rte_errno is set.
1851  */
1852 int
1853 mlx5_devx_cmd_modify_rqt(struct mlx5_devx_obj *rqt,
1854 			 struct mlx5_devx_rqt_attr *rqt_attr)
1855 {
1856 	uint32_t inlen = MLX5_ST_SZ_BYTES(modify_rqt_in) +
1857 			 rqt_attr->rqt_actual_size * sizeof(uint32_t);
1858 	uint32_t out[MLX5_ST_SZ_DW(modify_rqt_out)] = {0};
1859 	uint32_t *in = mlx5_malloc(MLX5_MEM_ZERO, inlen, 0, SOCKET_ID_ANY);
1860 	void *rqt_ctx;
1861 	int i;
1862 	int ret;
1863 
1864 	if (!in) {
1865 		DRV_LOG(ERR, "Failed to allocate RQT modify IN data.");
1866 		rte_errno = ENOMEM;
1867 		return -ENOMEM;
1868 	}
1869 	MLX5_SET(modify_rqt_in, in, opcode, MLX5_CMD_OP_MODIFY_RQT);
1870 	MLX5_SET(modify_rqt_in, in, rqtn, rqt->id);
1871 	MLX5_SET64(modify_rqt_in, in, modify_bitmask, 0x1);
1872 	rqt_ctx = MLX5_ADDR_OF(modify_rqt_in, in, rqt_context);
1873 	MLX5_SET(rqtc, rqt_ctx, list_q_type, rqt_attr->rq_type);
1874 	MLX5_SET(rqtc, rqt_ctx, rqt_max_size, rqt_attr->rqt_max_size);
1875 	MLX5_SET(rqtc, rqt_ctx, rqt_actual_size, rqt_attr->rqt_actual_size);
1876 	for (i = 0; i < rqt_attr->rqt_actual_size; i++)
1877 		MLX5_SET(rqtc, rqt_ctx, rq_num[i], rqt_attr->rq_list[i]);
1878 	ret = mlx5_glue->devx_obj_modify(rqt->obj, in, inlen, out, sizeof(out));
1879 	mlx5_free(in);
1880 	if (ret) {
1881 		DRV_LOG(ERR, "Failed to modify RQT using DevX.");
1882 		rte_errno = errno;
1883 		return -rte_errno;
1884 	}
1885 	return ret;
1886 }
1887 
1888 /**
1889  * Create SQ using DevX API.
1890  *
1891  * @param[in] ctx
1892  *   Context returned from mlx5 open_device() glue function.
1893  * @param [in] sq_attr
1894  *   Pointer to SQ attributes structure.
1895  * @param [in] socket
1896  *   CPU socket ID for allocations.
1897  *
1898  * @return
1899  *   The DevX object created, NULL otherwise and rte_errno is set.
1900  **/
1901 struct mlx5_devx_obj *
1902 mlx5_devx_cmd_create_sq(void *ctx,
1903 			struct mlx5_devx_create_sq_attr *sq_attr)
1904 {
1905 	uint32_t in[MLX5_ST_SZ_DW(create_sq_in)] = {0};
1906 	uint32_t out[MLX5_ST_SZ_DW(create_sq_out)] = {0};
1907 	void *sq_ctx;
1908 	void *wq_ctx;
1909 	struct mlx5_devx_wq_attr *wq_attr;
1910 	struct mlx5_devx_obj *sq = NULL;
1911 
1912 	sq = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*sq), 0, SOCKET_ID_ANY);
1913 	if (!sq) {
1914 		DRV_LOG(ERR, "Failed to allocate SQ data");
1915 		rte_errno = ENOMEM;
1916 		return NULL;
1917 	}
1918 	MLX5_SET(create_sq_in, in, opcode, MLX5_CMD_OP_CREATE_SQ);
1919 	sq_ctx = MLX5_ADDR_OF(create_sq_in, in, ctx);
1920 	MLX5_SET(sqc, sq_ctx, rlky, sq_attr->rlky);
1921 	MLX5_SET(sqc, sq_ctx, cd_master, sq_attr->cd_master);
1922 	MLX5_SET(sqc, sq_ctx, fre, sq_attr->fre);
1923 	MLX5_SET(sqc, sq_ctx, flush_in_error_en, sq_attr->flush_in_error_en);
1924 	MLX5_SET(sqc, sq_ctx, allow_multi_pkt_send_wqe,
1925 		 sq_attr->allow_multi_pkt_send_wqe);
1926 	MLX5_SET(sqc, sq_ctx, min_wqe_inline_mode,
1927 		 sq_attr->min_wqe_inline_mode);
1928 	MLX5_SET(sqc, sq_ctx, state, sq_attr->state);
1929 	MLX5_SET(sqc, sq_ctx, reg_umr, sq_attr->reg_umr);
1930 	MLX5_SET(sqc, sq_ctx, allow_swp, sq_attr->allow_swp);
1931 	MLX5_SET(sqc, sq_ctx, hairpin, sq_attr->hairpin);
1932 	MLX5_SET(sqc, sq_ctx, non_wire, sq_attr->non_wire);
1933 	MLX5_SET(sqc, sq_ctx, static_sq_wq, sq_attr->static_sq_wq);
1934 	MLX5_SET(sqc, sq_ctx, hairpin_wq_buffer_type, sq_attr->hairpin_wq_buffer_type);
1935 	MLX5_SET(sqc, sq_ctx, user_index, sq_attr->user_index);
1936 	MLX5_SET(sqc, sq_ctx, cqn, sq_attr->cqn);
1937 	MLX5_SET(sqc, sq_ctx, packet_pacing_rate_limit_index,
1938 		 sq_attr->packet_pacing_rate_limit_index);
1939 	MLX5_SET(sqc, sq_ctx, tis_lst_sz, sq_attr->tis_lst_sz);
1940 	MLX5_SET(sqc, sq_ctx, tis_num_0, sq_attr->tis_num);
1941 	MLX5_SET(sqc, sq_ctx, ts_format, sq_attr->ts_format);
1942 	wq_ctx = MLX5_ADDR_OF(sqc, sq_ctx, wq);
1943 	wq_attr = &sq_attr->wq_attr;
1944 	devx_cmd_fill_wq_data(wq_ctx, wq_attr);
1945 	sq->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
1946 					     out, sizeof(out));
1947 	if (!sq->obj) {
1948 		DEVX_DRV_LOG(ERR, out, "create SQ", NULL, 0);
1949 		mlx5_free(sq);
1950 		return NULL;
1951 	}
1952 	sq->id = MLX5_GET(create_sq_out, out, sqn);
1953 	return sq;
1954 }
1955 
1956 /**
1957  * Modify SQ using DevX API.
1958  *
1959  * @param[in] sq
1960  *   Pointer to SQ object structure.
1961  * @param [in] sq_attr
1962  *   Pointer to SQ attributes structure.
1963  *
1964  * @return
1965  *   0 on success, a negative errno value otherwise and rte_errno is set.
1966  */
1967 int
1968 mlx5_devx_cmd_modify_sq(struct mlx5_devx_obj *sq,
1969 			struct mlx5_devx_modify_sq_attr *sq_attr)
1970 {
1971 	uint32_t in[MLX5_ST_SZ_DW(modify_sq_in)] = {0};
1972 	uint32_t out[MLX5_ST_SZ_DW(modify_sq_out)] = {0};
1973 	void *sq_ctx;
1974 	int ret;
1975 
1976 	MLX5_SET(modify_sq_in, in, opcode, MLX5_CMD_OP_MODIFY_SQ);
1977 	MLX5_SET(modify_sq_in, in, sq_state, sq_attr->sq_state);
1978 	MLX5_SET(modify_sq_in, in, sqn, sq->id);
1979 	sq_ctx = MLX5_ADDR_OF(modify_sq_in, in, ctx);
1980 	MLX5_SET(sqc, sq_ctx, state, sq_attr->state);
1981 	MLX5_SET(sqc, sq_ctx, hairpin_peer_rq, sq_attr->hairpin_peer_rq);
1982 	MLX5_SET(sqc, sq_ctx, hairpin_peer_vhca, sq_attr->hairpin_peer_vhca);
1983 	ret = mlx5_glue->devx_obj_modify(sq->obj, in, sizeof(in),
1984 					 out, sizeof(out));
1985 	if (ret) {
1986 		DRV_LOG(ERR, "Failed to modify SQ using DevX");
1987 		rte_errno = errno;
1988 		return -rte_errno;
1989 	}
1990 	return ret;
1991 }
1992 
1993 /**
1994  * Create TIS using DevX API.
1995  *
1996  * @param[in] ctx
1997  *   Context returned from mlx5 open_device() glue function.
1998  * @param [in] tis_attr
1999  *   Pointer to TIS attributes structure.
2000  *
2001  * @return
2002  *   The DevX object created, NULL otherwise and rte_errno is set.
2003  */
2004 struct mlx5_devx_obj *
2005 mlx5_devx_cmd_create_tis(void *ctx,
2006 			 struct mlx5_devx_tis_attr *tis_attr)
2007 {
2008 	uint32_t in[MLX5_ST_SZ_DW(create_tis_in)] = {0};
2009 	uint32_t out[MLX5_ST_SZ_DW(create_tis_out)] = {0};
2010 	struct mlx5_devx_obj *tis = NULL;
2011 	void *tis_ctx;
2012 
2013 	tis = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*tis), 0, SOCKET_ID_ANY);
2014 	if (!tis) {
2015 		DRV_LOG(ERR, "Failed to allocate TIS object");
2016 		rte_errno = ENOMEM;
2017 		return NULL;
2018 	}
2019 	MLX5_SET(create_tis_in, in, opcode, MLX5_CMD_OP_CREATE_TIS);
2020 	tis_ctx = MLX5_ADDR_OF(create_tis_in, in, ctx);
2021 	MLX5_SET(tisc, tis_ctx, strict_lag_tx_port_affinity,
2022 		 tis_attr->strict_lag_tx_port_affinity);
2023 	MLX5_SET(tisc, tis_ctx, lag_tx_port_affinity,
2024 		 tis_attr->lag_tx_port_affinity);
2025 	MLX5_SET(tisc, tis_ctx, prio, tis_attr->prio);
2026 	MLX5_SET(tisc, tis_ctx, transport_domain,
2027 		 tis_attr->transport_domain);
2028 	tis->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
2029 					      out, sizeof(out));
2030 	if (!tis->obj) {
2031 		DEVX_DRV_LOG(ERR, out, "create TIS", NULL, 0);
2032 		mlx5_free(tis);
2033 		return NULL;
2034 	}
2035 	tis->id = MLX5_GET(create_tis_out, out, tisn);
2036 	return tis;
2037 }
2038 
2039 /**
2040  * Create transport domain using DevX API.
2041  *
2042  * @param[in] ctx
2043  *   Context returned from mlx5 open_device() glue function.
2044  * @return
2045  *   The DevX object created, NULL otherwise and rte_errno is set.
2046  */
2047 struct mlx5_devx_obj *
2048 mlx5_devx_cmd_create_td(void *ctx)
2049 {
2050 	uint32_t in[MLX5_ST_SZ_DW(alloc_transport_domain_in)] = {0};
2051 	uint32_t out[MLX5_ST_SZ_DW(alloc_transport_domain_out)] = {0};
2052 	struct mlx5_devx_obj *td = NULL;
2053 
2054 	td = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*td), 0, SOCKET_ID_ANY);
2055 	if (!td) {
2056 		DRV_LOG(ERR, "Failed to allocate TD object");
2057 		rte_errno = ENOMEM;
2058 		return NULL;
2059 	}
2060 	MLX5_SET(alloc_transport_domain_in, in, opcode,
2061 		 MLX5_CMD_OP_ALLOC_TRANSPORT_DOMAIN);
2062 	td->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
2063 					     out, sizeof(out));
2064 	if (!td->obj) {
2065 		DEVX_DRV_LOG(ERR, out, "create TIS", NULL, 0);
2066 		mlx5_free(td);
2067 		return NULL;
2068 	}
2069 	td->id = MLX5_GET(alloc_transport_domain_out, out,
2070 			   transport_domain);
2071 	return td;
2072 }
2073 
2074 /**
2075  * Dump all flows to file.
2076  *
2077  * @param[in] fdb_domain
2078  *   FDB domain.
2079  * @param[in] rx_domain
2080  *   RX domain.
2081  * @param[in] tx_domain
2082  *   TX domain.
2083  * @param[out] file
2084  *   Pointer to file stream.
2085  *
2086  * @return
2087  *   0 on success, a negative value otherwise.
2088  */
2089 int
2090 mlx5_devx_cmd_flow_dump(void *fdb_domain __rte_unused,
2091 			void *rx_domain __rte_unused,
2092 			void *tx_domain __rte_unused, FILE *file __rte_unused)
2093 {
2094 	int ret = 0;
2095 
2096 #ifdef HAVE_MLX5_DR_FLOW_DUMP
2097 	if (fdb_domain) {
2098 		ret = mlx5_glue->dr_dump_domain(file, fdb_domain);
2099 		if (ret)
2100 			return ret;
2101 	}
2102 	MLX5_ASSERT(rx_domain);
2103 	ret = mlx5_glue->dr_dump_domain(file, rx_domain);
2104 	if (ret)
2105 		return ret;
2106 	MLX5_ASSERT(tx_domain);
2107 	ret = mlx5_glue->dr_dump_domain(file, tx_domain);
2108 #else
2109 	ret = ENOTSUP;
2110 #endif
2111 	return -ret;
2112 }
2113 
2114 int
2115 mlx5_devx_cmd_flow_single_dump(void *rule_info __rte_unused,
2116 			FILE *file __rte_unused)
2117 {
2118 	int ret = 0;
2119 #ifdef HAVE_MLX5_DR_FLOW_DUMP_RULE
2120 	if (rule_info)
2121 		ret = mlx5_glue->dr_dump_rule(file, rule_info);
2122 #else
2123 	ret = ENOTSUP;
2124 #endif
2125 	return -ret;
2126 }
2127 
2128 /*
2129  * Create CQ using DevX API.
2130  *
2131  * @param[in] ctx
2132  *   Context returned from mlx5 open_device() glue function.
2133  * @param [in] attr
2134  *   Pointer to CQ attributes structure.
2135  *
2136  * @return
2137  *   The DevX object created, NULL otherwise and rte_errno is set.
2138  */
2139 struct mlx5_devx_obj *
2140 mlx5_devx_cmd_create_cq(void *ctx, struct mlx5_devx_cq_attr *attr)
2141 {
2142 	uint32_t in[MLX5_ST_SZ_DW(create_cq_in)] = {0};
2143 	uint32_t out[MLX5_ST_SZ_DW(create_cq_out)] = {0};
2144 	struct mlx5_devx_obj *cq_obj = mlx5_malloc(MLX5_MEM_ZERO,
2145 						   sizeof(*cq_obj),
2146 						   0, SOCKET_ID_ANY);
2147 	void *cqctx = MLX5_ADDR_OF(create_cq_in, in, cq_context);
2148 
2149 	if (!cq_obj) {
2150 		DRV_LOG(ERR, "Failed to allocate CQ object memory.");
2151 		rte_errno = ENOMEM;
2152 		return NULL;
2153 	}
2154 	MLX5_SET(create_cq_in, in, opcode, MLX5_CMD_OP_CREATE_CQ);
2155 	if (attr->db_umem_valid) {
2156 		MLX5_SET(cqc, cqctx, dbr_umem_valid, attr->db_umem_valid);
2157 		MLX5_SET(cqc, cqctx, dbr_umem_id, attr->db_umem_id);
2158 		MLX5_SET64(cqc, cqctx, dbr_addr, attr->db_umem_offset);
2159 	} else {
2160 		MLX5_SET64(cqc, cqctx, dbr_addr, attr->db_addr);
2161 	}
2162 	MLX5_SET(cqc, cqctx, cqe_sz, (RTE_CACHE_LINE_SIZE == 128) ?
2163 				     MLX5_CQE_SIZE_128B : MLX5_CQE_SIZE_64B);
2164 	MLX5_SET(cqc, cqctx, cc, attr->use_first_only);
2165 	MLX5_SET(cqc, cqctx, oi, attr->overrun_ignore);
2166 	MLX5_SET(cqc, cqctx, log_cq_size, attr->log_cq_size);
2167 	if (attr->log_page_size > MLX5_ADAPTER_PAGE_SHIFT)
2168 		MLX5_SET(cqc, cqctx, log_page_size,
2169 			 attr->log_page_size - MLX5_ADAPTER_PAGE_SHIFT);
2170 	MLX5_SET(cqc, cqctx, c_eqn, attr->eqn);
2171 	MLX5_SET(cqc, cqctx, uar_page, attr->uar_page_id);
2172 	MLX5_SET(cqc, cqctx, cqe_comp_en, !!attr->cqe_comp_en);
2173 	MLX5_SET(cqc, cqctx, cqe_comp_layout, !!attr->cqe_comp_layout);
2174 	MLX5_SET(cqc, cqctx, mini_cqe_res_format, attr->mini_cqe_res_format);
2175 	MLX5_SET(cqc, cqctx, mini_cqe_res_format_ext,
2176 		 attr->mini_cqe_res_format_ext);
2177 	if (attr->q_umem_valid) {
2178 		MLX5_SET(create_cq_in, in, cq_umem_valid, attr->q_umem_valid);
2179 		MLX5_SET(create_cq_in, in, cq_umem_id, attr->q_umem_id);
2180 		MLX5_SET64(create_cq_in, in, cq_umem_offset,
2181 			   attr->q_umem_offset);
2182 	}
2183 	cq_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in), out,
2184 						 sizeof(out));
2185 	if (!cq_obj->obj) {
2186 		DEVX_DRV_LOG(ERR, out, "create CQ", NULL, 0);
2187 		mlx5_free(cq_obj);
2188 		return NULL;
2189 	}
2190 	cq_obj->id = MLX5_GET(create_cq_out, out, cqn);
2191 	return cq_obj;
2192 }
2193 
2194 /**
2195  * Create VIRTQ using DevX API.
2196  *
2197  * @param[in] ctx
2198  *   Context returned from mlx5 open_device() glue function.
2199  * @param [in] attr
2200  *   Pointer to VIRTQ attributes structure.
2201  *
2202  * @return
2203  *   The DevX object created, NULL otherwise and rte_errno is set.
2204  */
2205 struct mlx5_devx_obj *
2206 mlx5_devx_cmd_create_virtq(void *ctx,
2207 			   struct mlx5_devx_virtq_attr *attr)
2208 {
2209 	uint32_t in[MLX5_ST_SZ_DW(create_virtq_in)] = {0};
2210 	uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0};
2211 	struct mlx5_devx_obj *virtq_obj = mlx5_malloc(MLX5_MEM_ZERO,
2212 						     sizeof(*virtq_obj),
2213 						     0, SOCKET_ID_ANY);
2214 	void *virtq = MLX5_ADDR_OF(create_virtq_in, in, virtq);
2215 	void *hdr = MLX5_ADDR_OF(create_virtq_in, in, hdr);
2216 	void *virtctx = MLX5_ADDR_OF(virtio_net_q, virtq, virtio_q_context);
2217 
2218 	if (!virtq_obj) {
2219 		DRV_LOG(ERR, "Failed to allocate virtq data.");
2220 		rte_errno = ENOMEM;
2221 		return NULL;
2222 	}
2223 	MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
2224 		 MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
2225 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
2226 		 MLX5_GENERAL_OBJ_TYPE_VIRTQ);
2227 	MLX5_SET16(virtio_net_q, virtq, hw_available_index,
2228 		   attr->hw_available_index);
2229 	MLX5_SET16(virtio_net_q, virtq, hw_used_index, attr->hw_used_index);
2230 	MLX5_SET16(virtio_net_q, virtq, tso_ipv4, attr->tso_ipv4);
2231 	MLX5_SET16(virtio_net_q, virtq, tso_ipv6, attr->tso_ipv6);
2232 	MLX5_SET16(virtio_net_q, virtq, tx_csum, attr->tx_csum);
2233 	MLX5_SET16(virtio_net_q, virtq, rx_csum, attr->rx_csum);
2234 	MLX5_SET16(virtio_q, virtctx, virtio_version_1_0,
2235 		   attr->virtio_version_1_0);
2236 	MLX5_SET16(virtio_q, virtctx, event_mode, attr->event_mode);
2237 	MLX5_SET(virtio_q, virtctx, event_qpn_or_msix, attr->qp_id);
2238 	MLX5_SET64(virtio_q, virtctx, desc_addr, attr->desc_addr);
2239 	MLX5_SET64(virtio_q, virtctx, used_addr, attr->used_addr);
2240 	MLX5_SET64(virtio_q, virtctx, available_addr, attr->available_addr);
2241 	MLX5_SET16(virtio_q, virtctx, queue_index, attr->queue_index);
2242 	MLX5_SET16(virtio_q, virtctx, queue_size, attr->q_size);
2243 	MLX5_SET(virtio_q, virtctx, virtio_q_mkey, attr->mkey);
2244 	MLX5_SET(virtio_q, virtctx, umem_1_id, attr->umems[0].id);
2245 	MLX5_SET(virtio_q, virtctx, umem_1_size, attr->umems[0].size);
2246 	MLX5_SET64(virtio_q, virtctx, umem_1_offset, attr->umems[0].offset);
2247 	MLX5_SET(virtio_q, virtctx, umem_2_id, attr->umems[1].id);
2248 	MLX5_SET(virtio_q, virtctx, umem_2_size, attr->umems[1].size);
2249 	MLX5_SET64(virtio_q, virtctx, umem_2_offset, attr->umems[1].offset);
2250 	MLX5_SET(virtio_q, virtctx, umem_3_id, attr->umems[2].id);
2251 	MLX5_SET(virtio_q, virtctx, umem_3_size, attr->umems[2].size);
2252 	MLX5_SET64(virtio_q, virtctx, umem_3_offset, attr->umems[2].offset);
2253 	MLX5_SET(virtio_q, virtctx, counter_set_id, attr->counters_obj_id);
2254 	MLX5_SET(virtio_q, virtctx, pd, attr->pd);
2255 	MLX5_SET(virtio_q, virtctx, queue_period_mode, attr->hw_latency_mode);
2256 	MLX5_SET(virtio_q, virtctx, queue_period_us, attr->hw_max_latency_us);
2257 	MLX5_SET(virtio_q, virtctx, queue_max_count, attr->hw_max_pending_comp);
2258 	MLX5_SET(virtio_net_q, virtq, tisn_or_qpn, attr->tis_id);
2259 	virtq_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in), out,
2260 						    sizeof(out));
2261 	if (!virtq_obj->obj) {
2262 		DEVX_DRV_LOG(ERR, out, "create VIRTQ", NULL, 0);
2263 		mlx5_free(virtq_obj);
2264 		return NULL;
2265 	}
2266 	virtq_obj->id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
2267 	return virtq_obj;
2268 }
2269 
2270 /**
2271  * Modify VIRTQ using DevX API.
2272  *
2273  * @param[in] virtq_obj
2274  *   Pointer to virtq object structure.
2275  * @param [in] attr
2276  *   Pointer to modify virtq attributes structure.
2277  *
2278  * @return
2279  *   0 on success, a negative errno value otherwise and rte_errno is set.
2280  */
2281 int
2282 mlx5_devx_cmd_modify_virtq(struct mlx5_devx_obj *virtq_obj,
2283 			   struct mlx5_devx_virtq_attr *attr)
2284 {
2285 	uint32_t in[MLX5_ST_SZ_DW(create_virtq_in)] = {0};
2286 	uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0};
2287 	void *virtq = MLX5_ADDR_OF(create_virtq_in, in, virtq);
2288 	void *hdr = MLX5_ADDR_OF(create_virtq_in, in, hdr);
2289 	void *virtctx = MLX5_ADDR_OF(virtio_net_q, virtq, virtio_q_context);
2290 	int ret;
2291 
2292 	MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
2293 		 MLX5_CMD_OP_MODIFY_GENERAL_OBJECT);
2294 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
2295 		 MLX5_GENERAL_OBJ_TYPE_VIRTQ);
2296 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_id, virtq_obj->id);
2297 	MLX5_SET64(virtio_net_q, virtq, modify_field_select,
2298 		attr->mod_fields_bitmap);
2299 	MLX5_SET16(virtio_q, virtctx, queue_index, attr->queue_index);
2300 	if (!attr->mod_fields_bitmap) {
2301 		DRV_LOG(ERR, "Failed to modify VIRTQ for no type set.");
2302 		rte_errno = EINVAL;
2303 		return -rte_errno;
2304 	}
2305 	if (attr->mod_fields_bitmap & MLX5_VIRTQ_MODIFY_TYPE_STATE)
2306 		MLX5_SET16(virtio_net_q, virtq, state, attr->state);
2307 	if (attr->mod_fields_bitmap &
2308 	    MLX5_VIRTQ_MODIFY_TYPE_DIRTY_BITMAP_PARAMS) {
2309 		MLX5_SET(virtio_net_q, virtq, dirty_bitmap_mkey,
2310 			 attr->dirty_bitmap_mkey);
2311 		MLX5_SET64(virtio_net_q, virtq, dirty_bitmap_addr,
2312 			 attr->dirty_bitmap_addr);
2313 		MLX5_SET(virtio_net_q, virtq, dirty_bitmap_size,
2314 			 attr->dirty_bitmap_size);
2315 	}
2316 	if (attr->mod_fields_bitmap &
2317 	    MLX5_VIRTQ_MODIFY_TYPE_DIRTY_BITMAP_DUMP_ENABLE)
2318 		MLX5_SET(virtio_net_q, virtq, dirty_bitmap_dump_enable,
2319 			 attr->dirty_bitmap_dump_enable);
2320 	if (attr->mod_fields_bitmap & MLX5_VIRTQ_MODIFY_TYPE_QUEUE_PERIOD) {
2321 		MLX5_SET(virtio_q, virtctx, queue_period_mode,
2322 			attr->hw_latency_mode);
2323 		MLX5_SET(virtio_q, virtctx, queue_period_us,
2324 			attr->hw_max_latency_us);
2325 		MLX5_SET(virtio_q, virtctx, queue_max_count,
2326 			attr->hw_max_pending_comp);
2327 	}
2328 	if (attr->mod_fields_bitmap & MLX5_VIRTQ_MODIFY_TYPE_ADDR) {
2329 		MLX5_SET64(virtio_q, virtctx, desc_addr, attr->desc_addr);
2330 		MLX5_SET64(virtio_q, virtctx, used_addr, attr->used_addr);
2331 		MLX5_SET64(virtio_q, virtctx, available_addr,
2332 			attr->available_addr);
2333 	}
2334 	if (attr->mod_fields_bitmap & MLX5_VIRTQ_MODIFY_TYPE_HW_AVAILABLE_INDEX)
2335 		MLX5_SET16(virtio_net_q, virtq, hw_available_index,
2336 		   attr->hw_available_index);
2337 	if (attr->mod_fields_bitmap & MLX5_VIRTQ_MODIFY_TYPE_HW_USED_INDEX)
2338 		MLX5_SET16(virtio_net_q, virtq, hw_used_index,
2339 			attr->hw_used_index);
2340 	if (attr->mod_fields_bitmap & MLX5_VIRTQ_MODIFY_TYPE_Q_TYPE)
2341 		MLX5_SET16(virtio_q, virtctx, virtio_q_type, attr->q_type);
2342 	if (attr->mod_fields_bitmap & MLX5_VIRTQ_MODIFY_TYPE_VERSION_1_0)
2343 		MLX5_SET16(virtio_q, virtctx, virtio_version_1_0,
2344 		   attr->virtio_version_1_0);
2345 	if (attr->mod_fields_bitmap & MLX5_VIRTQ_MODIFY_TYPE_Q_MKEY)
2346 		MLX5_SET(virtio_q, virtctx, virtio_q_mkey, attr->mkey);
2347 	if (attr->mod_fields_bitmap &
2348 		MLX5_VIRTQ_MODIFY_TYPE_QUEUE_FEATURE_BIT_MASK) {
2349 		MLX5_SET16(virtio_net_q, virtq, tso_ipv4, attr->tso_ipv4);
2350 		MLX5_SET16(virtio_net_q, virtq, tso_ipv6, attr->tso_ipv6);
2351 		MLX5_SET16(virtio_net_q, virtq, tx_csum, attr->tx_csum);
2352 		MLX5_SET16(virtio_net_q, virtq, rx_csum, attr->rx_csum);
2353 	}
2354 	if (attr->mod_fields_bitmap & MLX5_VIRTQ_MODIFY_TYPE_EVENT_MODE) {
2355 		MLX5_SET16(virtio_q, virtctx, event_mode, attr->event_mode);
2356 		MLX5_SET(virtio_q, virtctx, event_qpn_or_msix, attr->qp_id);
2357 	}
2358 	ret = mlx5_glue->devx_obj_modify(virtq_obj->obj, in, sizeof(in),
2359 					 out, sizeof(out));
2360 	if (ret) {
2361 		DRV_LOG(ERR, "Failed to modify VIRTQ using DevX.");
2362 		rte_errno = errno;
2363 		return -rte_errno;
2364 	}
2365 	return ret;
2366 }
2367 
2368 /**
2369  * Query VIRTQ using DevX API.
2370  *
2371  * @param[in] virtq_obj
2372  *   Pointer to virtq object structure.
2373  * @param [in/out] attr
2374  *   Pointer to virtq attributes structure.
2375  *
2376  * @return
2377  *   0 on success, a negative errno value otherwise and rte_errno is set.
2378  */
2379 int
2380 mlx5_devx_cmd_query_virtq(struct mlx5_devx_obj *virtq_obj,
2381 			   struct mlx5_devx_virtq_attr *attr)
2382 {
2383 	uint32_t in[MLX5_ST_SZ_DW(general_obj_in_cmd_hdr)] = {0};
2384 	uint32_t out[MLX5_ST_SZ_DW(query_virtq_out)] = {0};
2385 	void *hdr = MLX5_ADDR_OF(query_virtq_out, in, hdr);
2386 	void *virtq = MLX5_ADDR_OF(query_virtq_out, out, virtq);
2387 	int ret;
2388 
2389 	MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
2390 		 MLX5_CMD_OP_QUERY_GENERAL_OBJECT);
2391 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
2392 		 MLX5_GENERAL_OBJ_TYPE_VIRTQ);
2393 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_id, virtq_obj->id);
2394 	ret = mlx5_glue->devx_obj_query(virtq_obj->obj, in, sizeof(in),
2395 					 out, sizeof(out));
2396 	if (ret) {
2397 		DRV_LOG(ERR, "Failed to modify VIRTQ using DevX.");
2398 		rte_errno = errno;
2399 		return -errno;
2400 	}
2401 	attr->hw_available_index = MLX5_GET16(virtio_net_q, virtq,
2402 					      hw_available_index);
2403 	attr->hw_used_index = MLX5_GET16(virtio_net_q, virtq, hw_used_index);
2404 	attr->state = MLX5_GET16(virtio_net_q, virtq, state);
2405 	attr->error_type = MLX5_GET16(virtio_net_q, virtq,
2406 				      virtio_q_context.error_type);
2407 	return ret;
2408 }
2409 
2410 /**
2411  * Create QP using DevX API.
2412  *
2413  * @param[in] ctx
2414  *   Context returned from mlx5 open_device() glue function.
2415  * @param [in] attr
2416  *   Pointer to QP attributes structure.
2417  *
2418  * @return
2419  *   The DevX object created, NULL otherwise and rte_errno is set.
2420  */
2421 struct mlx5_devx_obj *
2422 mlx5_devx_cmd_create_qp(void *ctx,
2423 			struct mlx5_devx_qp_attr *attr)
2424 {
2425 	uint32_t in[MLX5_ST_SZ_DW(create_qp_in)] = {0};
2426 	uint32_t out[MLX5_ST_SZ_DW(create_qp_out)] = {0};
2427 	struct mlx5_devx_obj *qp_obj = mlx5_malloc(MLX5_MEM_ZERO,
2428 						   sizeof(*qp_obj),
2429 						   0, SOCKET_ID_ANY);
2430 	void *qpc = MLX5_ADDR_OF(create_qp_in, in, qpc);
2431 
2432 	if (!qp_obj) {
2433 		DRV_LOG(ERR, "Failed to allocate QP data.");
2434 		rte_errno = ENOMEM;
2435 		return NULL;
2436 	}
2437 	MLX5_SET(create_qp_in, in, opcode, MLX5_CMD_OP_CREATE_QP);
2438 	MLX5_SET(qpc, qpc, st, MLX5_QP_ST_RC);
2439 	MLX5_SET(qpc, qpc, pd, attr->pd);
2440 	MLX5_SET(qpc, qpc, ts_format, attr->ts_format);
2441 	MLX5_SET(qpc, qpc, user_index, attr->user_index);
2442 	if (attr->uar_index) {
2443 		if (attr->mmo) {
2444 			void *qpc_ext_and_pas_list = MLX5_ADDR_OF(create_qp_in,
2445 				in, qpc_extension_and_pas_list);
2446 			void *qpc_ext = MLX5_ADDR_OF(qpc_extension_and_pas_list,
2447 				qpc_ext_and_pas_list, qpc_data_extension);
2448 
2449 			MLX5_SET(create_qp_in, in, qpc_ext, 1);
2450 			MLX5_SET(qpc_extension, qpc_ext, mmo, 1);
2451 		}
2452 		MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED);
2453 		MLX5_SET(qpc, qpc, uar_page, attr->uar_index);
2454 		if (attr->log_page_size > MLX5_ADAPTER_PAGE_SHIFT)
2455 			MLX5_SET(qpc, qpc, log_page_size,
2456 				 attr->log_page_size - MLX5_ADAPTER_PAGE_SHIFT);
2457 		if (attr->num_of_send_wqbbs) {
2458 			MLX5_ASSERT(RTE_IS_POWER_OF_2(attr->num_of_send_wqbbs));
2459 			MLX5_SET(qpc, qpc, cqn_snd, attr->cqn);
2460 			MLX5_SET(qpc, qpc, log_sq_size,
2461 				 rte_log2_u32(attr->num_of_send_wqbbs));
2462 		} else {
2463 			MLX5_SET(qpc, qpc, no_sq, 1);
2464 		}
2465 		if (attr->num_of_receive_wqes) {
2466 			MLX5_ASSERT(RTE_IS_POWER_OF_2(
2467 					attr->num_of_receive_wqes));
2468 			MLX5_SET(qpc, qpc, cqn_rcv, attr->cqn);
2469 			MLX5_SET(qpc, qpc, log_rq_stride, attr->log_rq_stride -
2470 				 MLX5_LOG_RQ_STRIDE_SHIFT);
2471 			MLX5_SET(qpc, qpc, log_rq_size,
2472 				 rte_log2_u32(attr->num_of_receive_wqes));
2473 			MLX5_SET(qpc, qpc, rq_type, MLX5_NON_ZERO_RQ);
2474 		} else {
2475 			MLX5_SET(qpc, qpc, rq_type, MLX5_ZERO_LEN_RQ);
2476 		}
2477 		if (attr->dbr_umem_valid) {
2478 			MLX5_SET(qpc, qpc, dbr_umem_valid,
2479 				 attr->dbr_umem_valid);
2480 			MLX5_SET(qpc, qpc, dbr_umem_id, attr->dbr_umem_id);
2481 		}
2482 		if (attr->cd_master)
2483 			MLX5_SET(qpc, qpc, cd_master, attr->cd_master);
2484 		if (attr->cd_slave_send)
2485 			MLX5_SET(qpc, qpc, cd_slave_send, attr->cd_slave_send);
2486 		if (attr->cd_slave_recv)
2487 			MLX5_SET(qpc, qpc, cd_slave_receive, attr->cd_slave_recv);
2488 		MLX5_SET64(qpc, qpc, dbr_addr, attr->dbr_address);
2489 		MLX5_SET64(create_qp_in, in, wq_umem_offset,
2490 			   attr->wq_umem_offset);
2491 		MLX5_SET(create_qp_in, in, wq_umem_id, attr->wq_umem_id);
2492 		MLX5_SET(create_qp_in, in, wq_umem_valid, 1);
2493 	} else {
2494 		/* Special QP to be managed by FW - no SQ\RQ\CQ\UAR\DB rec. */
2495 		MLX5_SET(qpc, qpc, rq_type, MLX5_ZERO_LEN_RQ);
2496 		MLX5_SET(qpc, qpc, no_sq, 1);
2497 	}
2498 	qp_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in), out,
2499 						 sizeof(out));
2500 	if (!qp_obj->obj) {
2501 		DEVX_DRV_LOG(ERR, out, "create QP", NULL, 0);
2502 		mlx5_free(qp_obj);
2503 		return NULL;
2504 	}
2505 	qp_obj->id = MLX5_GET(create_qp_out, out, qpn);
2506 	return qp_obj;
2507 }
2508 
2509 /**
2510  * Modify QP using DevX API.
2511  * Currently supports only force loop-back QP.
2512  *
2513  * @param[in] qp
2514  *   Pointer to QP object structure.
2515  * @param [in] qp_st_mod_op
2516  *   The QP state modification operation.
2517  * @param [in] remote_qp_id
2518  *   The remote QP ID for MLX5_CMD_OP_INIT2RTR_QP operation.
2519  *
2520  * @return
2521  *   0 on success, a negative errno value otherwise and rte_errno is set.
2522  */
2523 int
2524 mlx5_devx_cmd_modify_qp_state(struct mlx5_devx_obj *qp, uint32_t qp_st_mod_op,
2525 			      uint32_t remote_qp_id)
2526 {
2527 	union {
2528 		uint32_t rst2init[MLX5_ST_SZ_DW(rst2init_qp_in)];
2529 		uint32_t init2rtr[MLX5_ST_SZ_DW(init2rtr_qp_in)];
2530 		uint32_t rtr2rts[MLX5_ST_SZ_DW(rtr2rts_qp_in)];
2531 		uint32_t qp2rst[MLX5_ST_SZ_DW(2rst_qp_in)];
2532 	} in;
2533 	union {
2534 		uint32_t rst2init[MLX5_ST_SZ_DW(rst2init_qp_out)];
2535 		uint32_t init2rtr[MLX5_ST_SZ_DW(init2rtr_qp_out)];
2536 		uint32_t rtr2rts[MLX5_ST_SZ_DW(rtr2rts_qp_out)];
2537 		uint32_t qp2rst[MLX5_ST_SZ_DW(2rst_qp_out)];
2538 	} out;
2539 	void *qpc;
2540 	int ret;
2541 	unsigned int inlen;
2542 	unsigned int outlen;
2543 
2544 	memset(&in, 0, sizeof(in));
2545 	memset(&out, 0, sizeof(out));
2546 	MLX5_SET(rst2init_qp_in, &in, opcode, qp_st_mod_op);
2547 	switch (qp_st_mod_op) {
2548 	case MLX5_CMD_OP_RST2INIT_QP:
2549 		MLX5_SET(rst2init_qp_in, &in, qpn, qp->id);
2550 		qpc = MLX5_ADDR_OF(rst2init_qp_in, &in, qpc);
2551 		MLX5_SET(qpc, qpc, primary_address_path.vhca_port_num, 1);
2552 		MLX5_SET(qpc, qpc, rre, 1);
2553 		MLX5_SET(qpc, qpc, rwe, 1);
2554 		MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED);
2555 		inlen = sizeof(in.rst2init);
2556 		outlen = sizeof(out.rst2init);
2557 		break;
2558 	case MLX5_CMD_OP_INIT2RTR_QP:
2559 		MLX5_SET(init2rtr_qp_in, &in, qpn, qp->id);
2560 		qpc = MLX5_ADDR_OF(init2rtr_qp_in, &in, qpc);
2561 		MLX5_SET(qpc, qpc, primary_address_path.fl, 1);
2562 		MLX5_SET(qpc, qpc, primary_address_path.vhca_port_num, 1);
2563 		MLX5_SET(qpc, qpc, mtu, 1);
2564 		MLX5_SET(qpc, qpc, log_msg_max, 30);
2565 		MLX5_SET(qpc, qpc, remote_qpn, remote_qp_id);
2566 		MLX5_SET(qpc, qpc, min_rnr_nak, 0);
2567 		inlen = sizeof(in.init2rtr);
2568 		outlen = sizeof(out.init2rtr);
2569 		break;
2570 	case MLX5_CMD_OP_RTR2RTS_QP:
2571 		qpc = MLX5_ADDR_OF(rtr2rts_qp_in, &in, qpc);
2572 		MLX5_SET(rtr2rts_qp_in, &in, qpn, qp->id);
2573 		MLX5_SET(qpc, qpc, primary_address_path.ack_timeout, 16);
2574 		MLX5_SET(qpc, qpc, log_ack_req_freq, 0);
2575 		MLX5_SET(qpc, qpc, retry_count, 7);
2576 		MLX5_SET(qpc, qpc, rnr_retry, 7);
2577 		inlen = sizeof(in.rtr2rts);
2578 		outlen = sizeof(out.rtr2rts);
2579 		break;
2580 	case MLX5_CMD_OP_QP_2RST:
2581 		MLX5_SET(2rst_qp_in, &in, qpn, qp->id);
2582 		inlen = sizeof(in.qp2rst);
2583 		outlen = sizeof(out.qp2rst);
2584 		break;
2585 	default:
2586 		DRV_LOG(ERR, "Invalid or unsupported QP modify op %u.",
2587 			qp_st_mod_op);
2588 		rte_errno = EINVAL;
2589 		return -rte_errno;
2590 	}
2591 	ret = mlx5_glue->devx_obj_modify(qp->obj, &in, inlen, &out, outlen);
2592 	if (ret) {
2593 		DRV_LOG(ERR, "Failed to modify QP using DevX.");
2594 		rte_errno = errno;
2595 		return -rte_errno;
2596 	}
2597 	return ret;
2598 }
2599 
2600 struct mlx5_devx_obj *
2601 mlx5_devx_cmd_create_virtio_q_counters(void *ctx)
2602 {
2603 	uint32_t in[MLX5_ST_SZ_DW(create_virtio_q_counters_in)] = {0};
2604 	uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0};
2605 	struct mlx5_devx_obj *couners_obj = mlx5_malloc(MLX5_MEM_ZERO,
2606 						       sizeof(*couners_obj), 0,
2607 						       SOCKET_ID_ANY);
2608 	void *hdr = MLX5_ADDR_OF(create_virtio_q_counters_in, in, hdr);
2609 
2610 	if (!couners_obj) {
2611 		DRV_LOG(ERR, "Failed to allocate virtio queue counters data.");
2612 		rte_errno = ENOMEM;
2613 		return NULL;
2614 	}
2615 	MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
2616 		 MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
2617 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
2618 		 MLX5_GENERAL_OBJ_TYPE_VIRTIO_Q_COUNTERS);
2619 	couners_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in), out,
2620 						      sizeof(out));
2621 	if (!couners_obj->obj) {
2622 		DEVX_DRV_LOG(ERR, out, "create virtio queue counters Obj", NULL,
2623 			     0);
2624 		mlx5_free(couners_obj);
2625 		return NULL;
2626 	}
2627 	couners_obj->id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
2628 	return couners_obj;
2629 }
2630 
2631 int
2632 mlx5_devx_cmd_query_virtio_q_counters(struct mlx5_devx_obj *couners_obj,
2633 				   struct mlx5_devx_virtio_q_couners_attr *attr)
2634 {
2635 	uint32_t in[MLX5_ST_SZ_DW(general_obj_in_cmd_hdr)] = {0};
2636 	uint32_t out[MLX5_ST_SZ_DW(query_virtio_q_counters_out)] = {0};
2637 	void *hdr = MLX5_ADDR_OF(query_virtio_q_counters_out, in, hdr);
2638 	void *virtio_q_counters = MLX5_ADDR_OF(query_virtio_q_counters_out, out,
2639 					       virtio_q_counters);
2640 	int ret;
2641 
2642 	MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
2643 		 MLX5_CMD_OP_QUERY_GENERAL_OBJECT);
2644 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
2645 		 MLX5_GENERAL_OBJ_TYPE_VIRTIO_Q_COUNTERS);
2646 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_id, couners_obj->id);
2647 	ret = mlx5_glue->devx_obj_query(couners_obj->obj, in, sizeof(in), out,
2648 					sizeof(out));
2649 	if (ret) {
2650 		DRV_LOG(ERR, "Failed to query virtio q counters using DevX.");
2651 		rte_errno = errno;
2652 		return -errno;
2653 	}
2654 	attr->received_desc = MLX5_GET64(virtio_q_counters, virtio_q_counters,
2655 					 received_desc);
2656 	attr->completed_desc = MLX5_GET64(virtio_q_counters, virtio_q_counters,
2657 					  completed_desc);
2658 	attr->error_cqes = MLX5_GET(virtio_q_counters, virtio_q_counters,
2659 				    error_cqes);
2660 	attr->bad_desc_errors = MLX5_GET(virtio_q_counters, virtio_q_counters,
2661 					 bad_desc_errors);
2662 	attr->exceed_max_chain = MLX5_GET(virtio_q_counters, virtio_q_counters,
2663 					  exceed_max_chain);
2664 	attr->invalid_buffer = MLX5_GET(virtio_q_counters, virtio_q_counters,
2665 					invalid_buffer);
2666 	return ret;
2667 }
2668 
2669 /**
2670  * Create general object of type FLOW_HIT_ASO using DevX API.
2671  *
2672  * @param[in] ctx
2673  *   Context returned from mlx5 open_device() glue function.
2674  * @param [in] pd
2675  *   PD value to associate the FLOW_HIT_ASO object with.
2676  *
2677  * @return
2678  *   The DevX object created, NULL otherwise and rte_errno is set.
2679  */
2680 struct mlx5_devx_obj *
2681 mlx5_devx_cmd_create_flow_hit_aso_obj(void *ctx, uint32_t pd)
2682 {
2683 	uint32_t in[MLX5_ST_SZ_DW(create_flow_hit_aso_in)] = {0};
2684 	uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0};
2685 	struct mlx5_devx_obj *flow_hit_aso_obj = NULL;
2686 	void *ptr = NULL;
2687 
2688 	flow_hit_aso_obj = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*flow_hit_aso_obj),
2689 				       0, SOCKET_ID_ANY);
2690 	if (!flow_hit_aso_obj) {
2691 		DRV_LOG(ERR, "Failed to allocate FLOW_HIT_ASO object data");
2692 		rte_errno = ENOMEM;
2693 		return NULL;
2694 	}
2695 	ptr = MLX5_ADDR_OF(create_flow_hit_aso_in, in, hdr);
2696 	MLX5_SET(general_obj_in_cmd_hdr, ptr, opcode,
2697 		 MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
2698 	MLX5_SET(general_obj_in_cmd_hdr, ptr, obj_type,
2699 		 MLX5_GENERAL_OBJ_TYPE_FLOW_HIT_ASO);
2700 	ptr = MLX5_ADDR_OF(create_flow_hit_aso_in, in, flow_hit_aso);
2701 	MLX5_SET(flow_hit_aso, ptr, access_pd, pd);
2702 	flow_hit_aso_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
2703 							   out, sizeof(out));
2704 	if (!flow_hit_aso_obj->obj) {
2705 		DEVX_DRV_LOG(ERR, out, "create FLOW_HIT_ASO", NULL, 0);
2706 		mlx5_free(flow_hit_aso_obj);
2707 		return NULL;
2708 	}
2709 	flow_hit_aso_obj->id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
2710 	return flow_hit_aso_obj;
2711 }
2712 
2713 /*
2714  * Create PD using DevX API.
2715  *
2716  * @param[in] ctx
2717  *   Context returned from mlx5 open_device() glue function.
2718  *
2719  * @return
2720  *   The DevX object created, NULL otherwise and rte_errno is set.
2721  */
2722 struct mlx5_devx_obj *
2723 mlx5_devx_cmd_alloc_pd(void *ctx)
2724 {
2725 	struct mlx5_devx_obj *ppd =
2726 		mlx5_malloc(MLX5_MEM_ZERO, sizeof(*ppd), 0, SOCKET_ID_ANY);
2727 	u32 in[MLX5_ST_SZ_DW(alloc_pd_in)] = {0};
2728 	u32 out[MLX5_ST_SZ_DW(alloc_pd_out)] = {0};
2729 
2730 	if (!ppd) {
2731 		DRV_LOG(ERR, "Failed to allocate PD data.");
2732 		rte_errno = ENOMEM;
2733 		return NULL;
2734 	}
2735 	MLX5_SET(alloc_pd_in, in, opcode, MLX5_CMD_OP_ALLOC_PD);
2736 	ppd->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
2737 				out, sizeof(out));
2738 	if (!ppd->obj) {
2739 		mlx5_free(ppd);
2740 		DRV_LOG(ERR, "Failed to allocate PD Obj using DevX.");
2741 		rte_errno = errno;
2742 		return NULL;
2743 	}
2744 	ppd->id = MLX5_GET(alloc_pd_out, out, pd);
2745 	return ppd;
2746 }
2747 
2748 /**
2749  * Create general object of type FLOW_METER_ASO using DevX API.
2750  *
2751  * @param[in] ctx
2752  *   Context returned from mlx5 open_device() glue function.
2753  * @param [in] pd
2754  *   PD value to associate the FLOW_METER_ASO object with.
2755  * @param [in] log_obj_size
2756  *   log_obj_size define to allocate number of 2 * meters
2757  *   in one FLOW_METER_ASO object.
2758  *
2759  * @return
2760  *   The DevX object created, NULL otherwise and rte_errno is set.
2761  */
2762 struct mlx5_devx_obj *
2763 mlx5_devx_cmd_create_flow_meter_aso_obj(void *ctx, uint32_t pd,
2764 						uint32_t log_obj_size)
2765 {
2766 	uint32_t in[MLX5_ST_SZ_DW(create_flow_meter_aso_in)] = {0};
2767 	uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)];
2768 	struct mlx5_devx_obj *flow_meter_aso_obj;
2769 	void *ptr;
2770 
2771 	flow_meter_aso_obj = mlx5_malloc(MLX5_MEM_ZERO,
2772 						sizeof(*flow_meter_aso_obj),
2773 						0, SOCKET_ID_ANY);
2774 	if (!flow_meter_aso_obj) {
2775 		DRV_LOG(ERR, "Failed to allocate FLOW_METER_ASO object data");
2776 		rte_errno = ENOMEM;
2777 		return NULL;
2778 	}
2779 	ptr = MLX5_ADDR_OF(create_flow_meter_aso_in, in, hdr);
2780 	MLX5_SET(general_obj_in_cmd_hdr, ptr, opcode,
2781 		MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
2782 	MLX5_SET(general_obj_in_cmd_hdr, ptr, obj_type,
2783 		MLX5_GENERAL_OBJ_TYPE_FLOW_METER_ASO);
2784 	MLX5_SET(general_obj_in_cmd_hdr, ptr, log_obj_range,
2785 		log_obj_size);
2786 	ptr = MLX5_ADDR_OF(create_flow_meter_aso_in, in, flow_meter_aso);
2787 	MLX5_SET(flow_meter_aso, ptr, access_pd, pd);
2788 	flow_meter_aso_obj->obj = mlx5_glue->devx_obj_create(
2789 							ctx, in, sizeof(in),
2790 							out, sizeof(out));
2791 	if (!flow_meter_aso_obj->obj) {
2792 		DEVX_DRV_LOG(ERR, out, "create FLOW_METTER_ASO", NULL, 0);
2793 		mlx5_free(flow_meter_aso_obj);
2794 		return NULL;
2795 	}
2796 	flow_meter_aso_obj->id = MLX5_GET(general_obj_out_cmd_hdr,
2797 								out, obj_id);
2798 	return flow_meter_aso_obj;
2799 }
2800 
2801 /*
2802  * Create general object of type CONN_TRACK_OFFLOAD using DevX API.
2803  *
2804  * @param[in] ctx
2805  *   Context returned from mlx5 open_device() glue function.
2806  * @param [in] pd
2807  *   PD value to associate the CONN_TRACK_OFFLOAD ASO object with.
2808  * @param [in] log_obj_size
2809  *   log_obj_size to allocate its power of 2 * objects
2810  *   in one CONN_TRACK_OFFLOAD bulk allocation.
2811  *
2812  * @return
2813  *   The DevX object created, NULL otherwise and rte_errno is set.
2814  */
2815 struct mlx5_devx_obj *
2816 mlx5_devx_cmd_create_conn_track_offload_obj(void *ctx, uint32_t pd,
2817 					    uint32_t log_obj_size)
2818 {
2819 	uint32_t in[MLX5_ST_SZ_DW(create_conn_track_aso_in)] = {0};
2820 	uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)];
2821 	struct mlx5_devx_obj *ct_aso_obj;
2822 	void *ptr;
2823 
2824 	ct_aso_obj = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*ct_aso_obj),
2825 				 0, SOCKET_ID_ANY);
2826 	if (!ct_aso_obj) {
2827 		DRV_LOG(ERR, "Failed to allocate CONN_TRACK_OFFLOAD object.");
2828 		rte_errno = ENOMEM;
2829 		return NULL;
2830 	}
2831 	ptr = MLX5_ADDR_OF(create_conn_track_aso_in, in, hdr);
2832 	MLX5_SET(general_obj_in_cmd_hdr, ptr, opcode,
2833 		 MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
2834 	MLX5_SET(general_obj_in_cmd_hdr, ptr, obj_type,
2835 		 MLX5_GENERAL_OBJ_TYPE_CONN_TRACK_OFFLOAD);
2836 	MLX5_SET(general_obj_in_cmd_hdr, ptr, log_obj_range, log_obj_size);
2837 	ptr = MLX5_ADDR_OF(create_conn_track_aso_in, in, conn_track_offload);
2838 	MLX5_SET(conn_track_offload, ptr, conn_track_aso_access_pd, pd);
2839 	ct_aso_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
2840 						     out, sizeof(out));
2841 	if (!ct_aso_obj->obj) {
2842 		DEVX_DRV_LOG(ERR, out, "create CONN_TRACK_OFFLOAD", NULL, 0);
2843 		mlx5_free(ct_aso_obj);
2844 		return NULL;
2845 	}
2846 	ct_aso_obj->id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
2847 	return ct_aso_obj;
2848 }
2849 
2850 /**
2851  * Create general object of type GENEVE TLV option using DevX API.
2852  *
2853  * @param[in] ctx
2854  *   Context returned from mlx5 open_device() glue function.
2855  * @param [in] class
2856  *   TLV option variable value of class
2857  * @param [in] type
2858  *   TLV option variable value of type
2859  * @param [in] len
2860  *   TLV option variable value of len
2861  *
2862  * @return
2863  *   The DevX object created, NULL otherwise and rte_errno is set.
2864  */
2865 struct mlx5_devx_obj *
2866 mlx5_devx_cmd_create_geneve_tlv_option(void *ctx,
2867 		uint16_t class, uint8_t type, uint8_t len)
2868 {
2869 	uint32_t in[MLX5_ST_SZ_DW(create_geneve_tlv_option_in)] = {0};
2870 	uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0};
2871 	struct mlx5_devx_obj *geneve_tlv_opt_obj = mlx5_malloc(MLX5_MEM_ZERO,
2872 						   sizeof(*geneve_tlv_opt_obj),
2873 						   0, SOCKET_ID_ANY);
2874 
2875 	if (!geneve_tlv_opt_obj) {
2876 		DRV_LOG(ERR, "Failed to allocate geneve tlv option object.");
2877 		rte_errno = ENOMEM;
2878 		return NULL;
2879 	}
2880 	void *hdr = MLX5_ADDR_OF(create_geneve_tlv_option_in, in, hdr);
2881 	void *opt = MLX5_ADDR_OF(create_geneve_tlv_option_in, in,
2882 			geneve_tlv_opt);
2883 	MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
2884 			MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
2885 	MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
2886 		 MLX5_GENERAL_OBJ_TYPE_GENEVE_TLV_OPT);
2887 	MLX5_SET(geneve_tlv_option, opt, option_class,
2888 			rte_be_to_cpu_16(class));
2889 	MLX5_SET(geneve_tlv_option, opt, option_type, type);
2890 	MLX5_SET(geneve_tlv_option, opt, option_data_length, len);
2891 	geneve_tlv_opt_obj->obj = mlx5_glue->devx_obj_create(ctx, in,
2892 					sizeof(in), out, sizeof(out));
2893 	if (!geneve_tlv_opt_obj->obj) {
2894 		DEVX_DRV_LOG(ERR, out, "create GENEVE TLV", NULL, 0);
2895 		mlx5_free(geneve_tlv_opt_obj);
2896 		return NULL;
2897 	}
2898 	geneve_tlv_opt_obj->id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
2899 	return geneve_tlv_opt_obj;
2900 }
2901 
2902 int
2903 mlx5_devx_cmd_wq_query(void *wq, uint32_t *counter_set_id)
2904 {
2905 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
2906 	uint32_t in[MLX5_ST_SZ_DW(query_rq_in)] = {0};
2907 	uint32_t out[MLX5_ST_SZ_DW(query_rq_out)] = {0};
2908 	int rc;
2909 	void *rq_ctx;
2910 
2911 	MLX5_SET(query_rq_in, in, opcode, MLX5_CMD_OP_QUERY_RQ);
2912 	MLX5_SET(query_rq_in, in, rqn, ((struct ibv_wq *)wq)->wq_num);
2913 	rc = mlx5_glue->devx_wq_query(wq, in, sizeof(in), out, sizeof(out));
2914 	if (rc) {
2915 		rte_errno = errno;
2916 		DRV_LOG(ERR, "Failed to query WQ counter set ID using DevX - "
2917 			"rc = %d, errno = %d.", rc, errno);
2918 		return -rc;
2919 	};
2920 	rq_ctx = MLX5_ADDR_OF(query_rq_out, out, rq_context);
2921 	*counter_set_id = MLX5_GET(rqc, rq_ctx, counter_set_id);
2922 	return 0;
2923 #else
2924 	(void)wq;
2925 	(void)counter_set_id;
2926 	return -ENOTSUP;
2927 #endif
2928 }
2929 
2930 /*
2931  * Allocate queue counters via devx interface.
2932  *
2933  * @param[in] ctx
2934  *   Context returned from mlx5 open_device() glue function.
2935  *
2936  * @return
2937  *   Pointer to counter object on success, a NULL value otherwise and
2938  *   rte_errno is set.
2939  */
2940 struct mlx5_devx_obj *
2941 mlx5_devx_cmd_queue_counter_alloc(void *ctx)
2942 {
2943 	struct mlx5_devx_obj *dcs = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*dcs), 0,
2944 						SOCKET_ID_ANY);
2945 	uint32_t in[MLX5_ST_SZ_DW(alloc_q_counter_in)]   = {0};
2946 	uint32_t out[MLX5_ST_SZ_DW(alloc_q_counter_out)] = {0};
2947 
2948 	if (!dcs) {
2949 		rte_errno = ENOMEM;
2950 		return NULL;
2951 	}
2952 	MLX5_SET(alloc_q_counter_in, in, opcode, MLX5_CMD_OP_ALLOC_Q_COUNTER);
2953 	dcs->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in), out,
2954 					      sizeof(out));
2955 	if (!dcs->obj) {
2956 		DEVX_DRV_LOG(DEBUG, out, "create q counter set", NULL, 0);
2957 		mlx5_free(dcs);
2958 		return NULL;
2959 	}
2960 	dcs->id = MLX5_GET(alloc_q_counter_out, out, counter_set_id);
2961 	return dcs;
2962 }
2963 
2964 /**
2965  * Query queue counters values.
2966  *
2967  * @param[in] dcs
2968  *   devx object of the queue counter set.
2969  * @param[in] clear
2970  *   Whether hardware should clear the counters after the query or not.
2971  *  @param[out] out_of_buffers
2972  *   Number of dropped occurred due to lack of WQE for the associated QPs/RQs.
2973  *
2974  * @return
2975  *   0 on success, a negative value otherwise.
2976  */
2977 int
2978 mlx5_devx_cmd_queue_counter_query(struct mlx5_devx_obj *dcs, int clear,
2979 				  uint32_t *out_of_buffers)
2980 {
2981 	uint32_t out[MLX5_ST_SZ_BYTES(query_q_counter_out)] = {0};
2982 	uint32_t in[MLX5_ST_SZ_DW(query_q_counter_in)] = {0};
2983 	int rc;
2984 
2985 	MLX5_SET(query_q_counter_in, in, opcode,
2986 		 MLX5_CMD_OP_QUERY_Q_COUNTER);
2987 	MLX5_SET(query_q_counter_in, in, op_mod, 0);
2988 	MLX5_SET(query_q_counter_in, in, counter_set_id, dcs->id);
2989 	MLX5_SET(query_q_counter_in, in, clear, !!clear);
2990 	rc = mlx5_glue->devx_obj_query(dcs->obj, in, sizeof(in), out,
2991 				       sizeof(out));
2992 	if (rc) {
2993 		DRV_LOG(ERR, "Failed to query devx q counter set - rc %d", rc);
2994 		rte_errno = rc;
2995 		return -rc;
2996 	}
2997 	*out_of_buffers = MLX5_GET(query_q_counter_out, out, out_of_buffer);
2998 	return 0;
2999 }
3000 
3001 /**
3002  * Create general object of type DEK using DevX API.
3003  *
3004  * @param[in] ctx
3005  *   Context returned from mlx5 open_device() glue function.
3006  * @param [in] attr
3007  *   Pointer to DEK attributes structure.
3008  *
3009  * @return
3010  *   The DevX object created, NULL otherwise and rte_errno is set.
3011  */
3012 struct mlx5_devx_obj *
3013 mlx5_devx_cmd_create_dek_obj(void *ctx, struct mlx5_devx_dek_attr *attr)
3014 {
3015 	uint32_t in[MLX5_ST_SZ_DW(create_dek_in)] = {0};
3016 	uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0};
3017 	struct mlx5_devx_obj *dek_obj = NULL;
3018 	void *ptr = NULL, *key_addr = NULL;
3019 
3020 	dek_obj = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*dek_obj),
3021 			      0, SOCKET_ID_ANY);
3022 	if (dek_obj == NULL) {
3023 		DRV_LOG(ERR, "Failed to allocate DEK object data");
3024 		rte_errno = ENOMEM;
3025 		return NULL;
3026 	}
3027 	ptr = MLX5_ADDR_OF(create_dek_in, in, hdr);
3028 	MLX5_SET(general_obj_in_cmd_hdr, ptr, opcode,
3029 		 MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
3030 	MLX5_SET(general_obj_in_cmd_hdr, ptr, obj_type,
3031 		 MLX5_GENERAL_OBJ_TYPE_DEK);
3032 	ptr = MLX5_ADDR_OF(create_dek_in, in, dek);
3033 	MLX5_SET(dek, ptr, key_size, attr->key_size);
3034 	MLX5_SET(dek, ptr, has_keytag, attr->has_keytag);
3035 	MLX5_SET(dek, ptr, key_purpose, attr->key_purpose);
3036 	MLX5_SET(dek, ptr, pd, attr->pd);
3037 	MLX5_SET64(dek, ptr, opaque, attr->opaque);
3038 	key_addr = MLX5_ADDR_OF(dek, ptr, key);
3039 	memcpy(key_addr, (void *)(attr->key), MLX5_CRYPTO_KEY_MAX_SIZE);
3040 	dek_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
3041 						  out, sizeof(out));
3042 	if (dek_obj->obj == NULL) {
3043 		DEVX_DRV_LOG(ERR, out, "create DEK", NULL, 0);
3044 		mlx5_free(dek_obj);
3045 		return NULL;
3046 	}
3047 	dek_obj->id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
3048 	return dek_obj;
3049 }
3050 
3051 /**
3052  * Create general object of type IMPORT_KEK using DevX API.
3053  *
3054  * @param[in] ctx
3055  *   Context returned from mlx5 open_device() glue function.
3056  * @param [in] attr
3057  *   Pointer to IMPORT_KEK attributes structure.
3058  *
3059  * @return
3060  *   The DevX object created, NULL otherwise and rte_errno is set.
3061  */
3062 struct mlx5_devx_obj *
3063 mlx5_devx_cmd_create_import_kek_obj(void *ctx,
3064 				    struct mlx5_devx_import_kek_attr *attr)
3065 {
3066 	uint32_t in[MLX5_ST_SZ_DW(create_import_kek_in)] = {0};
3067 	uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0};
3068 	struct mlx5_devx_obj *import_kek_obj = NULL;
3069 	void *ptr = NULL, *key_addr = NULL;
3070 
3071 	import_kek_obj = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*import_kek_obj),
3072 				     0, SOCKET_ID_ANY);
3073 	if (import_kek_obj == NULL) {
3074 		DRV_LOG(ERR, "Failed to allocate IMPORT_KEK object data");
3075 		rte_errno = ENOMEM;
3076 		return NULL;
3077 	}
3078 	ptr = MLX5_ADDR_OF(create_import_kek_in, in, hdr);
3079 	MLX5_SET(general_obj_in_cmd_hdr, ptr, opcode,
3080 		 MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
3081 	MLX5_SET(general_obj_in_cmd_hdr, ptr, obj_type,
3082 		 MLX5_GENERAL_OBJ_TYPE_IMPORT_KEK);
3083 	ptr = MLX5_ADDR_OF(create_import_kek_in, in, import_kek);
3084 	MLX5_SET(import_kek, ptr, key_size, attr->key_size);
3085 	key_addr = MLX5_ADDR_OF(import_kek, ptr, key);
3086 	memcpy(key_addr, (void *)(attr->key), MLX5_CRYPTO_KEY_MAX_SIZE);
3087 	import_kek_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
3088 							 out, sizeof(out));
3089 	if (import_kek_obj->obj == NULL) {
3090 		DEVX_DRV_LOG(ERR, out, "create IMPORT_KEK", NULL, 0);
3091 		mlx5_free(import_kek_obj);
3092 		return NULL;
3093 	}
3094 	import_kek_obj->id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
3095 	return import_kek_obj;
3096 }
3097 
3098 /**
3099  * Create general object of type CREDENTIAL using DevX API.
3100  *
3101  * @param[in] ctx
3102  *   Context returned from mlx5 open_device() glue function.
3103  * @param [in] attr
3104  *   Pointer to CREDENTIAL attributes structure.
3105  *
3106  * @return
3107  *   The DevX object created, NULL otherwise and rte_errno is set.
3108  */
3109 struct mlx5_devx_obj *
3110 mlx5_devx_cmd_create_credential_obj(void *ctx,
3111 				    struct mlx5_devx_credential_attr *attr)
3112 {
3113 	uint32_t in[MLX5_ST_SZ_DW(create_credential_in)] = {0};
3114 	uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0};
3115 	struct mlx5_devx_obj *credential_obj = NULL;
3116 	void *ptr = NULL, *credential_addr = NULL;
3117 
3118 	credential_obj = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*credential_obj),
3119 				     0, SOCKET_ID_ANY);
3120 	if (credential_obj == NULL) {
3121 		DRV_LOG(ERR, "Failed to allocate CREDENTIAL object data");
3122 		rte_errno = ENOMEM;
3123 		return NULL;
3124 	}
3125 	ptr = MLX5_ADDR_OF(create_credential_in, in, hdr);
3126 	MLX5_SET(general_obj_in_cmd_hdr, ptr, opcode,
3127 		 MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
3128 	MLX5_SET(general_obj_in_cmd_hdr, ptr, obj_type,
3129 		 MLX5_GENERAL_OBJ_TYPE_CREDENTIAL);
3130 	ptr = MLX5_ADDR_OF(create_credential_in, in, credential);
3131 	MLX5_SET(credential, ptr, credential_role, attr->credential_role);
3132 	credential_addr = MLX5_ADDR_OF(credential, ptr, credential);
3133 	memcpy(credential_addr, (void *)(attr->credential),
3134 	       MLX5_CRYPTO_CREDENTIAL_SIZE);
3135 	credential_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
3136 							 out, sizeof(out));
3137 	if (credential_obj->obj == NULL) {
3138 		DEVX_DRV_LOG(ERR, out, "create CREDENTIAL", NULL, 0);
3139 		mlx5_free(credential_obj);
3140 		return NULL;
3141 	}
3142 	credential_obj->id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
3143 	return credential_obj;
3144 }
3145 
3146 /**
3147  * Create general object of type CRYPTO_LOGIN using DevX API.
3148  *
3149  * @param[in] ctx
3150  *   Context returned from mlx5 open_device() glue function.
3151  * @param [in] attr
3152  *   Pointer to CRYPTO_LOGIN attributes structure.
3153  *
3154  * @return
3155  *   The DevX object created, NULL otherwise and rte_errno is set.
3156  */
3157 struct mlx5_devx_obj *
3158 mlx5_devx_cmd_create_crypto_login_obj(void *ctx,
3159 				      struct mlx5_devx_crypto_login_attr *attr)
3160 {
3161 	uint32_t in[MLX5_ST_SZ_DW(create_crypto_login_in)] = {0};
3162 	uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0};
3163 	struct mlx5_devx_obj *crypto_login_obj = NULL;
3164 	void *ptr = NULL, *credential_addr = NULL;
3165 
3166 	crypto_login_obj = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*crypto_login_obj),
3167 				       0, SOCKET_ID_ANY);
3168 	if (crypto_login_obj == NULL) {
3169 		DRV_LOG(ERR, "Failed to allocate CRYPTO_LOGIN object data");
3170 		rte_errno = ENOMEM;
3171 		return NULL;
3172 	}
3173 	ptr = MLX5_ADDR_OF(create_crypto_login_in, in, hdr);
3174 	MLX5_SET(general_obj_in_cmd_hdr, ptr, opcode,
3175 		 MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
3176 	MLX5_SET(general_obj_in_cmd_hdr, ptr, obj_type,
3177 		 MLX5_GENERAL_OBJ_TYPE_CRYPTO_LOGIN);
3178 	ptr = MLX5_ADDR_OF(create_crypto_login_in, in, crypto_login);
3179 	MLX5_SET(crypto_login, ptr, credential_pointer,
3180 		 attr->credential_pointer);
3181 	MLX5_SET(crypto_login, ptr, session_import_kek_ptr,
3182 		 attr->session_import_kek_ptr);
3183 	credential_addr = MLX5_ADDR_OF(crypto_login, ptr, credential);
3184 	memcpy(credential_addr, (void *)(attr->credential),
3185 	       MLX5_CRYPTO_CREDENTIAL_SIZE);
3186 	crypto_login_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
3187 							   out, sizeof(out));
3188 	if (crypto_login_obj->obj == NULL) {
3189 		DEVX_DRV_LOG(ERR, out, "create CRYPTO_LOGIN", NULL, 0);
3190 		mlx5_free(crypto_login_obj);
3191 		return NULL;
3192 	}
3193 	crypto_login_obj->id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
3194 	return crypto_login_obj;
3195 }
3196 
3197 /**
3198  * Query LAG context.
3199  *
3200  * @param[in] ctx
3201  *   Pointer to ibv_context, returned from mlx5dv_open_device.
3202  * @param[out] lag_ctx
3203  *   Pointer to struct mlx5_devx_lag_context, to be set by the routine.
3204  *
3205  * @return
3206  *   0 on success, a negative value otherwise.
3207  */
3208 int
3209 mlx5_devx_cmd_query_lag(void *ctx,
3210 			struct mlx5_devx_lag_context *lag_ctx)
3211 {
3212 	uint32_t in[MLX5_ST_SZ_DW(query_lag_in)] = {0};
3213 	uint32_t out[MLX5_ST_SZ_DW(query_lag_out)] = {0};
3214 	void *lctx;
3215 	int rc;
3216 
3217 	MLX5_SET(query_lag_in, in, opcode, MLX5_CMD_OP_QUERY_LAG);
3218 	rc = mlx5_glue->devx_general_cmd(ctx, in, sizeof(in), out, sizeof(out));
3219 	if (rc)
3220 		goto error;
3221 	lctx = MLX5_ADDR_OF(query_lag_out, out, context);
3222 	lag_ctx->fdb_selection_mode = MLX5_GET(lag_context, lctx,
3223 					       fdb_selection_mode);
3224 	lag_ctx->port_select_mode = MLX5_GET(lag_context, lctx,
3225 					       port_select_mode);
3226 	lag_ctx->lag_state = MLX5_GET(lag_context, lctx, lag_state);
3227 	lag_ctx->tx_remap_affinity_2 = MLX5_GET(lag_context, lctx,
3228 						tx_remap_affinity_2);
3229 	lag_ctx->tx_remap_affinity_1 = MLX5_GET(lag_context, lctx,
3230 						tx_remap_affinity_1);
3231 	return 0;
3232 error:
3233 	rc = (rc > 0) ? -rc : rc;
3234 	return rc;
3235 }
3236