common/mlx5: add read ASO flow meter HCA capability
[dpdk.git] / drivers / common / mlx5 / mlx5_devx_cmds.c
1 // SPDX-License-Identifier: BSD-3-Clause
2 /* Copyright 2018 Mellanox Technologies, Ltd */
3
4 #include <unistd.h>
5
6 #include <rte_errno.h>
7 #include <rte_malloc.h>
8 #include <rte_eal_paging.h>
9
10 #include "mlx5_prm.h"
11 #include "mlx5_devx_cmds.h"
12 #include "mlx5_common_utils.h"
13 #include "mlx5_malloc.h"
14
15
16 /**
17  * Perform read access to the registers. Reads data from register
18  * and writes ones to the specified buffer.
19  *
20  * @param[in] ctx
21  *   Context returned from mlx5 open_device() glue function.
22  * @param[in] reg_id
23  *   Register identifier according to the PRM.
24  * @param[in] arg
25  *   Register access auxiliary parameter according to the PRM.
26  * @param[out] data
27  *   Pointer to the buffer to store read data.
28  * @param[in] dw_cnt
29  *   Buffer size in double words.
30  *
31  * @return
32  *   0 on success, a negative value otherwise.
33  */
34 int
35 mlx5_devx_cmd_register_read(void *ctx, uint16_t reg_id, uint32_t arg,
36                             uint32_t *data, uint32_t dw_cnt)
37 {
38         uint32_t in[MLX5_ST_SZ_DW(access_register_in)]   = {0};
39         uint32_t out[MLX5_ST_SZ_DW(access_register_out) +
40                      MLX5_ACCESS_REGISTER_DATA_DWORD_MAX] = {0};
41         int status, rc;
42
43         MLX5_ASSERT(data && dw_cnt);
44         MLX5_ASSERT(dw_cnt <= MLX5_ACCESS_REGISTER_DATA_DWORD_MAX);
45         if (dw_cnt  > MLX5_ACCESS_REGISTER_DATA_DWORD_MAX) {
46                 DRV_LOG(ERR, "Not enough  buffer for register read data");
47                 return -1;
48         }
49         MLX5_SET(access_register_in, in, opcode,
50                  MLX5_CMD_OP_ACCESS_REGISTER_USER);
51         MLX5_SET(access_register_in, in, op_mod,
52                                         MLX5_ACCESS_REGISTER_IN_OP_MOD_READ);
53         MLX5_SET(access_register_in, in, register_id, reg_id);
54         MLX5_SET(access_register_in, in, argument, arg);
55         rc = mlx5_glue->devx_general_cmd(ctx, in, sizeof(in), out,
56                                          MLX5_ST_SZ_BYTES(access_register_out) +
57                                          sizeof(uint32_t) * dw_cnt);
58         if (rc)
59                 goto error;
60         status = MLX5_GET(access_register_out, out, status);
61         if (status) {
62                 int syndrome = MLX5_GET(access_register_out, out, syndrome);
63
64                 DRV_LOG(DEBUG, "Failed to access NIC register 0x%X, "
65                                "status %x, syndrome = %x",
66                                reg_id, status, syndrome);
67                 return -1;
68         }
69         memcpy(data, &out[MLX5_ST_SZ_DW(access_register_out)],
70                dw_cnt * sizeof(uint32_t));
71         return 0;
72 error:
73         rc = (rc > 0) ? -rc : rc;
74         return rc;
75 }
76
77 /**
78  * Allocate flow counters via devx interface.
79  *
80  * @param[in] ctx
81  *   Context returned from mlx5 open_device() glue function.
82  * @param dcs
83  *   Pointer to counters properties structure to be filled by the routine.
84  * @param bulk_n_128
85  *   Bulk counter numbers in 128 counters units.
86  *
87  * @return
88  *   Pointer to counter object on success, a negative value otherwise and
89  *   rte_errno is set.
90  */
91 struct mlx5_devx_obj *
92 mlx5_devx_cmd_flow_counter_alloc(void *ctx, uint32_t bulk_n_128)
93 {
94         struct mlx5_devx_obj *dcs = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*dcs),
95                                                 0, SOCKET_ID_ANY);
96         uint32_t in[MLX5_ST_SZ_DW(alloc_flow_counter_in)]   = {0};
97         uint32_t out[MLX5_ST_SZ_DW(alloc_flow_counter_out)] = {0};
98
99         if (!dcs) {
100                 rte_errno = ENOMEM;
101                 return NULL;
102         }
103         MLX5_SET(alloc_flow_counter_in, in, opcode,
104                  MLX5_CMD_OP_ALLOC_FLOW_COUNTER);
105         MLX5_SET(alloc_flow_counter_in, in, flow_counter_bulk, bulk_n_128);
106         dcs->obj = mlx5_glue->devx_obj_create(ctx, in,
107                                               sizeof(in), out, sizeof(out));
108         if (!dcs->obj) {
109                 DRV_LOG(ERR, "Can't allocate counters - error %d", errno);
110                 rte_errno = errno;
111                 mlx5_free(dcs);
112                 return NULL;
113         }
114         dcs->id = MLX5_GET(alloc_flow_counter_out, out, flow_counter_id);
115         return dcs;
116 }
117
118 /**
119  * Query flow counters values.
120  *
121  * @param[in] dcs
122  *   devx object that was obtained from mlx5_devx_cmd_fc_alloc.
123  * @param[in] clear
124  *   Whether hardware should clear the counters after the query or not.
125  * @param[in] n_counters
126  *   0 in case of 1 counter to read, otherwise the counter number to read.
127  *  @param pkts
128  *   The number of packets that matched the flow.
129  *  @param bytes
130  *    The number of bytes that matched the flow.
131  *  @param mkey
132  *   The mkey key for batch query.
133  *  @param addr
134  *    The address in the mkey range for batch query.
135  *  @param cmd_comp
136  *   The completion object for asynchronous batch query.
137  *  @param async_id
138  *    The ID to be returned in the asynchronous batch query response.
139  *
140  * @return
141  *   0 on success, a negative value otherwise.
142  */
143 int
144 mlx5_devx_cmd_flow_counter_query(struct mlx5_devx_obj *dcs,
145                                  int clear, uint32_t n_counters,
146                                  uint64_t *pkts, uint64_t *bytes,
147                                  uint32_t mkey, void *addr,
148                                  void *cmd_comp,
149                                  uint64_t async_id)
150 {
151         int out_len = MLX5_ST_SZ_BYTES(query_flow_counter_out) +
152                         MLX5_ST_SZ_BYTES(traffic_counter);
153         uint32_t out[out_len];
154         uint32_t in[MLX5_ST_SZ_DW(query_flow_counter_in)] = {0};
155         void *stats;
156         int rc;
157
158         MLX5_SET(query_flow_counter_in, in, opcode,
159                  MLX5_CMD_OP_QUERY_FLOW_COUNTER);
160         MLX5_SET(query_flow_counter_in, in, op_mod, 0);
161         MLX5_SET(query_flow_counter_in, in, flow_counter_id, dcs->id);
162         MLX5_SET(query_flow_counter_in, in, clear, !!clear);
163
164         if (n_counters) {
165                 MLX5_SET(query_flow_counter_in, in, num_of_counters,
166                          n_counters);
167                 MLX5_SET(query_flow_counter_in, in, dump_to_memory, 1);
168                 MLX5_SET(query_flow_counter_in, in, mkey, mkey);
169                 MLX5_SET64(query_flow_counter_in, in, address,
170                            (uint64_t)(uintptr_t)addr);
171         }
172         if (!cmd_comp)
173                 rc = mlx5_glue->devx_obj_query(dcs->obj, in, sizeof(in), out,
174                                                out_len);
175         else
176                 rc = mlx5_glue->devx_obj_query_async(dcs->obj, in, sizeof(in),
177                                                      out_len, async_id,
178                                                      cmd_comp);
179         if (rc) {
180                 DRV_LOG(ERR, "Failed to query devx counters with rc %d", rc);
181                 rte_errno = rc;
182                 return -rc;
183         }
184         if (!n_counters) {
185                 stats = MLX5_ADDR_OF(query_flow_counter_out,
186                                      out, flow_statistics);
187                 *pkts = MLX5_GET64(traffic_counter, stats, packets);
188                 *bytes = MLX5_GET64(traffic_counter, stats, octets);
189         }
190         return 0;
191 }
192
193 /**
194  * Create a new mkey.
195  *
196  * @param[in] ctx
197  *   Context returned from mlx5 open_device() glue function.
198  * @param[in] attr
199  *   Attributes of the requested mkey.
200  *
201  * @return
202  *   Pointer to Devx mkey on success, a negative value otherwise and rte_errno
203  *   is set.
204  */
205 struct mlx5_devx_obj *
206 mlx5_devx_cmd_mkey_create(void *ctx,
207                           struct mlx5_devx_mkey_attr *attr)
208 {
209         struct mlx5_klm *klm_array = attr->klm_array;
210         int klm_num = attr->klm_num;
211         int in_size_dw = MLX5_ST_SZ_DW(create_mkey_in) +
212                      (klm_num ? RTE_ALIGN(klm_num, 4) : 0) * MLX5_ST_SZ_DW(klm);
213         uint32_t in[in_size_dw];
214         uint32_t out[MLX5_ST_SZ_DW(create_mkey_out)] = {0};
215         void *mkc;
216         struct mlx5_devx_obj *mkey = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*mkey),
217                                                  0, SOCKET_ID_ANY);
218         size_t pgsize;
219         uint32_t translation_size;
220
221         if (!mkey) {
222                 rte_errno = ENOMEM;
223                 return NULL;
224         }
225         memset(in, 0, in_size_dw * 4);
226         pgsize = rte_mem_page_size();
227         if (pgsize == (size_t)-1) {
228                 mlx5_free(mkey);
229                 DRV_LOG(ERR, "Failed to get page size");
230                 rte_errno = ENOMEM;
231                 return NULL;
232         }
233         MLX5_SET(create_mkey_in, in, opcode, MLX5_CMD_OP_CREATE_MKEY);
234         mkc = MLX5_ADDR_OF(create_mkey_in, in, memory_key_mkey_entry);
235         if (klm_num > 0) {
236                 int i;
237                 uint8_t *klm = (uint8_t *)MLX5_ADDR_OF(create_mkey_in, in,
238                                                        klm_pas_mtt);
239                 translation_size = RTE_ALIGN(klm_num, 4);
240                 for (i = 0; i < klm_num; i++) {
241                         MLX5_SET(klm, klm, byte_count, klm_array[i].byte_count);
242                         MLX5_SET(klm, klm, mkey, klm_array[i].mkey);
243                         MLX5_SET64(klm, klm, address, klm_array[i].address);
244                         klm += MLX5_ST_SZ_BYTES(klm);
245                 }
246                 for (; i < (int)translation_size; i++) {
247                         MLX5_SET(klm, klm, mkey, 0x0);
248                         MLX5_SET64(klm, klm, address, 0x0);
249                         klm += MLX5_ST_SZ_BYTES(klm);
250                 }
251                 MLX5_SET(mkc, mkc, access_mode_1_0, attr->log_entity_size ?
252                          MLX5_MKC_ACCESS_MODE_KLM_FBS :
253                          MLX5_MKC_ACCESS_MODE_KLM);
254                 MLX5_SET(mkc, mkc, log_page_size, attr->log_entity_size);
255         } else {
256                 translation_size = (RTE_ALIGN(attr->size, pgsize) * 8) / 16;
257                 MLX5_SET(mkc, mkc, access_mode_1_0, MLX5_MKC_ACCESS_MODE_MTT);
258                 MLX5_SET(mkc, mkc, log_page_size, rte_log2_u32(pgsize));
259         }
260         MLX5_SET(create_mkey_in, in, translations_octword_actual_size,
261                  translation_size);
262         MLX5_SET(create_mkey_in, in, mkey_umem_id, attr->umem_id);
263         MLX5_SET(create_mkey_in, in, pg_access, attr->pg_access);
264         MLX5_SET(mkc, mkc, lw, 0x1);
265         MLX5_SET(mkc, mkc, lr, 0x1);
266         MLX5_SET(mkc, mkc, qpn, 0xffffff);
267         MLX5_SET(mkc, mkc, pd, attr->pd);
268         MLX5_SET(mkc, mkc, mkey_7_0, attr->umem_id & 0xFF);
269         MLX5_SET(mkc, mkc, umr_en, attr->umr_en);
270         MLX5_SET(mkc, mkc, translations_octword_size, translation_size);
271         MLX5_SET(mkc, mkc, relaxed_ordering_write,
272                  attr->relaxed_ordering_write);
273         MLX5_SET(mkc, mkc, relaxed_ordering_read, attr->relaxed_ordering_read);
274         MLX5_SET64(mkc, mkc, start_addr, attr->addr);
275         MLX5_SET64(mkc, mkc, len, attr->size);
276         mkey->obj = mlx5_glue->devx_obj_create(ctx, in, in_size_dw * 4, out,
277                                                sizeof(out));
278         if (!mkey->obj) {
279                 DRV_LOG(ERR, "Can't create %sdirect mkey - error %d",
280                         klm_num ? "an in" : "a ", errno);
281                 rte_errno = errno;
282                 mlx5_free(mkey);
283                 return NULL;
284         }
285         mkey->id = MLX5_GET(create_mkey_out, out, mkey_index);
286         mkey->id = (mkey->id << 8) | (attr->umem_id & 0xFF);
287         return mkey;
288 }
289
290 /**
291  * Get status of devx command response.
292  * Mainly used for asynchronous commands.
293  *
294  * @param[in] out
295  *   The out response buffer.
296  *
297  * @return
298  *   0 on success, non-zero value otherwise.
299  */
300 int
301 mlx5_devx_get_out_command_status(void *out)
302 {
303         int status;
304
305         if (!out)
306                 return -EINVAL;
307         status = MLX5_GET(query_flow_counter_out, out, status);
308         if (status) {
309                 int syndrome = MLX5_GET(query_flow_counter_out, out, syndrome);
310
311                 DRV_LOG(ERR, "Bad DevX status %x, syndrome = %x", status,
312                         syndrome);
313         }
314         return status;
315 }
316
317 /**
318  * Destroy any object allocated by a Devx API.
319  *
320  * @param[in] obj
321  *   Pointer to a general object.
322  *
323  * @return
324  *   0 on success, a negative value otherwise.
325  */
326 int
327 mlx5_devx_cmd_destroy(struct mlx5_devx_obj *obj)
328 {
329         int ret;
330
331         if (!obj)
332                 return 0;
333         ret =  mlx5_glue->devx_obj_destroy(obj->obj);
334         mlx5_free(obj);
335         return ret;
336 }
337
338 /**
339  * Query NIC vport context.
340  * Fills minimal inline attribute.
341  *
342  * @param[in] ctx
343  *   ibv contexts returned from mlx5dv_open_device.
344  * @param[in] vport
345  *   vport index
346  * @param[out] attr
347  *   Attributes device values.
348  *
349  * @return
350  *   0 on success, a negative value otherwise.
351  */
352 static int
353 mlx5_devx_cmd_query_nic_vport_context(void *ctx,
354                                       unsigned int vport,
355                                       struct mlx5_hca_attr *attr)
356 {
357         uint32_t in[MLX5_ST_SZ_DW(query_nic_vport_context_in)] = {0};
358         uint32_t out[MLX5_ST_SZ_DW(query_nic_vport_context_out)] = {0};
359         void *vctx;
360         int status, syndrome, rc;
361
362         /* Query NIC vport context to determine inline mode. */
363         MLX5_SET(query_nic_vport_context_in, in, opcode,
364                  MLX5_CMD_OP_QUERY_NIC_VPORT_CONTEXT);
365         MLX5_SET(query_nic_vport_context_in, in, vport_number, vport);
366         if (vport)
367                 MLX5_SET(query_nic_vport_context_in, in, other_vport, 1);
368         rc = mlx5_glue->devx_general_cmd(ctx,
369                                          in, sizeof(in),
370                                          out, sizeof(out));
371         if (rc)
372                 goto error;
373         status = MLX5_GET(query_nic_vport_context_out, out, status);
374         syndrome = MLX5_GET(query_nic_vport_context_out, out, syndrome);
375         if (status) {
376                 DRV_LOG(DEBUG, "Failed to query NIC vport context, "
377                         "status %x, syndrome = %x", status, syndrome);
378                 return -1;
379         }
380         vctx = MLX5_ADDR_OF(query_nic_vport_context_out, out,
381                             nic_vport_context);
382         attr->vport_inline_mode = MLX5_GET(nic_vport_context, vctx,
383                                            min_wqe_inline_mode);
384         return 0;
385 error:
386         rc = (rc > 0) ? -rc : rc;
387         return rc;
388 }
389
390 /**
391  * Query NIC vDPA attributes.
392  *
393  * @param[in] ctx
394  *   Context returned from mlx5 open_device() glue function.
395  * @param[out] vdpa_attr
396  *   vDPA Attributes structure to fill.
397  */
398 static void
399 mlx5_devx_cmd_query_hca_vdpa_attr(void *ctx,
400                                   struct mlx5_hca_vdpa_attr *vdpa_attr)
401 {
402         uint32_t in[MLX5_ST_SZ_DW(query_hca_cap_in)] = {0};
403         uint32_t out[MLX5_ST_SZ_DW(query_hca_cap_out)] = {0};
404         void *hcattr = MLX5_ADDR_OF(query_hca_cap_out, out, capability);
405         int status, syndrome, rc;
406
407         MLX5_SET(query_hca_cap_in, in, opcode, MLX5_CMD_OP_QUERY_HCA_CAP);
408         MLX5_SET(query_hca_cap_in, in, op_mod,
409                  MLX5_GET_HCA_CAP_OP_MOD_VDPA_EMULATION |
410                  MLX5_HCA_CAP_OPMOD_GET_CUR);
411         rc = mlx5_glue->devx_general_cmd(ctx, in, sizeof(in), out, sizeof(out));
412         status = MLX5_GET(query_hca_cap_out, out, status);
413         syndrome = MLX5_GET(query_hca_cap_out, out, syndrome);
414         if (rc || status) {
415                 RTE_LOG(DEBUG, PMD, "Failed to query devx VDPA capabilities,"
416                         " status %x, syndrome = %x", status, syndrome);
417                 vdpa_attr->valid = 0;
418         } else {
419                 vdpa_attr->valid = 1;
420                 vdpa_attr->desc_tunnel_offload_type =
421                         MLX5_GET(virtio_emulation_cap, hcattr,
422                                  desc_tunnel_offload_type);
423                 vdpa_attr->eth_frame_offload_type =
424                         MLX5_GET(virtio_emulation_cap, hcattr,
425                                  eth_frame_offload_type);
426                 vdpa_attr->virtio_version_1_0 =
427                         MLX5_GET(virtio_emulation_cap, hcattr,
428                                  virtio_version_1_0);
429                 vdpa_attr->tso_ipv4 = MLX5_GET(virtio_emulation_cap, hcattr,
430                                                tso_ipv4);
431                 vdpa_attr->tso_ipv6 = MLX5_GET(virtio_emulation_cap, hcattr,
432                                                tso_ipv6);
433                 vdpa_attr->tx_csum = MLX5_GET(virtio_emulation_cap, hcattr,
434                                               tx_csum);
435                 vdpa_attr->rx_csum = MLX5_GET(virtio_emulation_cap, hcattr,
436                                               rx_csum);
437                 vdpa_attr->event_mode = MLX5_GET(virtio_emulation_cap, hcattr,
438                                                  event_mode);
439                 vdpa_attr->virtio_queue_type =
440                         MLX5_GET(virtio_emulation_cap, hcattr,
441                                  virtio_queue_type);
442                 vdpa_attr->log_doorbell_stride =
443                         MLX5_GET(virtio_emulation_cap, hcattr,
444                                  log_doorbell_stride);
445                 vdpa_attr->log_doorbell_bar_size =
446                         MLX5_GET(virtio_emulation_cap, hcattr,
447                                  log_doorbell_bar_size);
448                 vdpa_attr->doorbell_bar_offset =
449                         MLX5_GET64(virtio_emulation_cap, hcattr,
450                                    doorbell_bar_offset);
451                 vdpa_attr->max_num_virtio_queues =
452                         MLX5_GET(virtio_emulation_cap, hcattr,
453                                  max_num_virtio_queues);
454                 vdpa_attr->umems[0].a = MLX5_GET(virtio_emulation_cap, hcattr,
455                                                  umem_1_buffer_param_a);
456                 vdpa_attr->umems[0].b = MLX5_GET(virtio_emulation_cap, hcattr,
457                                                  umem_1_buffer_param_b);
458                 vdpa_attr->umems[1].a = MLX5_GET(virtio_emulation_cap, hcattr,
459                                                  umem_2_buffer_param_a);
460                 vdpa_attr->umems[1].b = MLX5_GET(virtio_emulation_cap, hcattr,
461                                                  umem_2_buffer_param_b);
462                 vdpa_attr->umems[2].a = MLX5_GET(virtio_emulation_cap, hcattr,
463                                                  umem_3_buffer_param_a);
464                 vdpa_attr->umems[2].b = MLX5_GET(virtio_emulation_cap, hcattr,
465                                                  umem_3_buffer_param_b);
466         }
467 }
468
469 int
470 mlx5_devx_cmd_query_parse_samples(struct mlx5_devx_obj *flex_obj,
471                                   uint32_t ids[], uint32_t num)
472 {
473         uint32_t in[MLX5_ST_SZ_DW(general_obj_in_cmd_hdr)] = {0};
474         uint32_t out[MLX5_ST_SZ_DW(create_flex_parser_out)] = {0};
475         void *hdr = MLX5_ADDR_OF(create_flex_parser_out, in, hdr);
476         void *flex = MLX5_ADDR_OF(create_flex_parser_out, out, flex);
477         void *sample = MLX5_ADDR_OF(parse_graph_flex, flex, sample_table);
478         int ret;
479         uint32_t idx = 0;
480         uint32_t i;
481
482         if (num > MLX5_GRAPH_NODE_SAMPLE_NUM) {
483                 rte_errno = EINVAL;
484                 DRV_LOG(ERR, "Too many sample IDs to be fetched.");
485                 return -rte_errno;
486         }
487         MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
488                  MLX5_CMD_OP_QUERY_GENERAL_OBJECT);
489         MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
490                  MLX5_GENERAL_OBJ_TYPE_FLEX_PARSE_GRAPH);
491         MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_id, flex_obj->id);
492         ret = mlx5_glue->devx_obj_query(flex_obj->obj, in, sizeof(in),
493                                         out, sizeof(out));
494         if (ret) {
495                 rte_errno = ret;
496                 DRV_LOG(ERR, "Failed to query sample IDs with object %p.",
497                         (void *)flex_obj);
498                 return -rte_errno;
499         }
500         for (i = 0; i < MLX5_GRAPH_NODE_SAMPLE_NUM; i++) {
501                 void *s_off = (void *)((char *)sample + i *
502                               MLX5_ST_SZ_BYTES(parse_graph_flow_match_sample));
503                 uint32_t en;
504
505                 en = MLX5_GET(parse_graph_flow_match_sample, s_off,
506                               flow_match_sample_en);
507                 if (!en)
508                         continue;
509                 ids[idx++] = MLX5_GET(parse_graph_flow_match_sample, s_off,
510                                   flow_match_sample_field_id);
511         }
512         if (num != idx) {
513                 rte_errno = EINVAL;
514                 DRV_LOG(ERR, "Number of sample IDs are not as expected.");
515                 return -rte_errno;
516         }
517         return ret;
518 }
519
520
521 struct mlx5_devx_obj *
522 mlx5_devx_cmd_create_flex_parser(void *ctx,
523                               struct mlx5_devx_graph_node_attr *data)
524 {
525         uint32_t in[MLX5_ST_SZ_DW(create_flex_parser_in)] = {0};
526         uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0};
527         void *hdr = MLX5_ADDR_OF(create_flex_parser_in, in, hdr);
528         void *flex = MLX5_ADDR_OF(create_flex_parser_in, in, flex);
529         void *sample = MLX5_ADDR_OF(parse_graph_flex, flex, sample_table);
530         void *in_arc = MLX5_ADDR_OF(parse_graph_flex, flex, input_arc);
531         void *out_arc = MLX5_ADDR_OF(parse_graph_flex, flex, output_arc);
532         struct mlx5_devx_obj *parse_flex_obj = mlx5_malloc
533                      (MLX5_MEM_ZERO, sizeof(*parse_flex_obj), 0, SOCKET_ID_ANY);
534         uint32_t i;
535
536         if (!parse_flex_obj) {
537                 DRV_LOG(ERR, "Failed to allocate flex parser data.");
538                 rte_errno = ENOMEM;
539                 return NULL;
540         }
541         MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
542                  MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
543         MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
544                  MLX5_GENERAL_OBJ_TYPE_FLEX_PARSE_GRAPH);
545         MLX5_SET(parse_graph_flex, flex, header_length_mode,
546                  data->header_length_mode);
547         MLX5_SET(parse_graph_flex, flex, header_length_base_value,
548                  data->header_length_base_value);
549         MLX5_SET(parse_graph_flex, flex, header_length_field_offset,
550                  data->header_length_field_offset);
551         MLX5_SET(parse_graph_flex, flex, header_length_field_shift,
552                  data->header_length_field_shift);
553         MLX5_SET(parse_graph_flex, flex, header_length_field_mask,
554                  data->header_length_field_mask);
555         for (i = 0; i < MLX5_GRAPH_NODE_SAMPLE_NUM; i++) {
556                 struct mlx5_devx_match_sample_attr *s = &data->sample[i];
557                 void *s_off = (void *)((char *)sample + i *
558                               MLX5_ST_SZ_BYTES(parse_graph_flow_match_sample));
559
560                 if (!s->flow_match_sample_en)
561                         continue;
562                 MLX5_SET(parse_graph_flow_match_sample, s_off,
563                          flow_match_sample_en, !!s->flow_match_sample_en);
564                 MLX5_SET(parse_graph_flow_match_sample, s_off,
565                          flow_match_sample_field_offset,
566                          s->flow_match_sample_field_offset);
567                 MLX5_SET(parse_graph_flow_match_sample, s_off,
568                          flow_match_sample_offset_mode,
569                          s->flow_match_sample_offset_mode);
570                 MLX5_SET(parse_graph_flow_match_sample, s_off,
571                          flow_match_sample_field_offset_mask,
572                          s->flow_match_sample_field_offset_mask);
573                 MLX5_SET(parse_graph_flow_match_sample, s_off,
574                          flow_match_sample_field_offset_shift,
575                          s->flow_match_sample_field_offset_shift);
576                 MLX5_SET(parse_graph_flow_match_sample, s_off,
577                          flow_match_sample_field_base_offset,
578                          s->flow_match_sample_field_base_offset);
579                 MLX5_SET(parse_graph_flow_match_sample, s_off,
580                          flow_match_sample_tunnel_mode,
581                          s->flow_match_sample_tunnel_mode);
582         }
583         for (i = 0; i < MLX5_GRAPH_NODE_ARC_NUM; i++) {
584                 struct mlx5_devx_graph_arc_attr *ia = &data->in[i];
585                 struct mlx5_devx_graph_arc_attr *oa = &data->out[i];
586                 void *in_off = (void *)((char *)in_arc + i *
587                               MLX5_ST_SZ_BYTES(parse_graph_arc));
588                 void *out_off = (void *)((char *)out_arc + i *
589                               MLX5_ST_SZ_BYTES(parse_graph_arc));
590
591                 if (ia->arc_parse_graph_node != 0) {
592                         MLX5_SET(parse_graph_arc, in_off,
593                                  compare_condition_value,
594                                  ia->compare_condition_value);
595                         MLX5_SET(parse_graph_arc, in_off, start_inner_tunnel,
596                                  ia->start_inner_tunnel);
597                         MLX5_SET(parse_graph_arc, in_off, arc_parse_graph_node,
598                                  ia->arc_parse_graph_node);
599                         MLX5_SET(parse_graph_arc, in_off,
600                                  parse_graph_node_handle,
601                                  ia->parse_graph_node_handle);
602                 }
603                 if (oa->arc_parse_graph_node != 0) {
604                         MLX5_SET(parse_graph_arc, out_off,
605                                  compare_condition_value,
606                                  oa->compare_condition_value);
607                         MLX5_SET(parse_graph_arc, out_off, start_inner_tunnel,
608                                  oa->start_inner_tunnel);
609                         MLX5_SET(parse_graph_arc, out_off, arc_parse_graph_node,
610                                  oa->arc_parse_graph_node);
611                         MLX5_SET(parse_graph_arc, out_off,
612                                  parse_graph_node_handle,
613                                  oa->parse_graph_node_handle);
614                 }
615         }
616         parse_flex_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
617                                                          out, sizeof(out));
618         if (!parse_flex_obj->obj) {
619                 rte_errno = errno;
620                 DRV_LOG(ERR, "Failed to create FLEX PARSE GRAPH object "
621                         "by using DevX.");
622                 mlx5_free(parse_flex_obj);
623                 return NULL;
624         }
625         parse_flex_obj->id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
626         return parse_flex_obj;
627 }
628
629 /**
630  * Query HCA attributes.
631  * Using those attributes we can check on run time if the device
632  * is having the required capabilities.
633  *
634  * @param[in] ctx
635  *   Context returned from mlx5 open_device() glue function.
636  * @param[out] attr
637  *   Attributes device values.
638  *
639  * @return
640  *   0 on success, a negative value otherwise.
641  */
642 int
643 mlx5_devx_cmd_query_hca_attr(void *ctx,
644                              struct mlx5_hca_attr *attr)
645 {
646         uint32_t in[MLX5_ST_SZ_DW(query_hca_cap_in)] = {0};
647         uint32_t out[MLX5_ST_SZ_DW(query_hca_cap_out)] = {0};
648         void *hcattr;
649         int status, syndrome, rc, i;
650
651         MLX5_SET(query_hca_cap_in, in, opcode, MLX5_CMD_OP_QUERY_HCA_CAP);
652         MLX5_SET(query_hca_cap_in, in, op_mod,
653                  MLX5_GET_HCA_CAP_OP_MOD_GENERAL_DEVICE |
654                  MLX5_HCA_CAP_OPMOD_GET_CUR);
655
656         rc = mlx5_glue->devx_general_cmd(ctx,
657                                          in, sizeof(in), out, sizeof(out));
658         if (rc)
659                 goto error;
660         status = MLX5_GET(query_hca_cap_out, out, status);
661         syndrome = MLX5_GET(query_hca_cap_out, out, syndrome);
662         if (status) {
663                 DRV_LOG(DEBUG, "Failed to query devx HCA capabilities, "
664                         "status %x, syndrome = %x", status, syndrome);
665                 return -1;
666         }
667         hcattr = MLX5_ADDR_OF(query_hca_cap_out, out, capability);
668         attr->flow_counter_bulk_alloc_bitmap =
669                         MLX5_GET(cmd_hca_cap, hcattr, flow_counter_bulk_alloc);
670         attr->flow_counters_dump = MLX5_GET(cmd_hca_cap, hcattr,
671                                             flow_counters_dump);
672         attr->log_max_rqt_size = MLX5_GET(cmd_hca_cap, hcattr,
673                                           log_max_rqt_size);
674         attr->eswitch_manager = MLX5_GET(cmd_hca_cap, hcattr, eswitch_manager);
675         attr->hairpin = MLX5_GET(cmd_hca_cap, hcattr, hairpin);
676         attr->log_max_hairpin_queues = MLX5_GET(cmd_hca_cap, hcattr,
677                                                 log_max_hairpin_queues);
678         attr->log_max_hairpin_wq_data_sz = MLX5_GET(cmd_hca_cap, hcattr,
679                                                     log_max_hairpin_wq_data_sz);
680         attr->log_max_hairpin_num_packets = MLX5_GET
681                 (cmd_hca_cap, hcattr, log_min_hairpin_wq_data_sz);
682         attr->vhca_id = MLX5_GET(cmd_hca_cap, hcattr, vhca_id);
683         attr->relaxed_ordering_write = MLX5_GET(cmd_hca_cap, hcattr,
684                                                 relaxed_ordering_write);
685         attr->relaxed_ordering_read = MLX5_GET(cmd_hca_cap, hcattr,
686                                                relaxed_ordering_read);
687         attr->access_register_user = MLX5_GET(cmd_hca_cap, hcattr,
688                                               access_register_user);
689         attr->eth_net_offloads = MLX5_GET(cmd_hca_cap, hcattr,
690                                           eth_net_offloads);
691         attr->eth_virt = MLX5_GET(cmd_hca_cap, hcattr, eth_virt);
692         attr->flex_parser_protocols = MLX5_GET(cmd_hca_cap, hcattr,
693                                                flex_parser_protocols);
694         attr->max_geneve_tlv_options = MLX5_GET(cmd_hca_cap, hcattr,
695                         max_geneve_tlv_options);
696         attr->max_geneve_tlv_option_data_len = MLX5_GET(cmd_hca_cap, hcattr,
697                         max_geneve_tlv_option_data_len);
698         attr->qos.sup = MLX5_GET(cmd_hca_cap, hcattr, qos);
699         attr->qos.flow_meter_aso_sup = !!(MLX5_GET64(cmd_hca_cap, hcattr,
700                                          general_obj_types) &
701                               MLX5_GENERAL_OBJ_TYPES_CAP_FLOW_METER_ASO);
702         attr->vdpa.valid = !!(MLX5_GET64(cmd_hca_cap, hcattr,
703                                          general_obj_types) &
704                               MLX5_GENERAL_OBJ_TYPES_CAP_VIRTQ_NET_Q);
705         attr->vdpa.queue_counters_valid = !!(MLX5_GET64(cmd_hca_cap, hcattr,
706                                                         general_obj_types) &
707                                   MLX5_GENERAL_OBJ_TYPES_CAP_VIRTIO_Q_COUNTERS);
708         attr->parse_graph_flex_node = !!(MLX5_GET64(cmd_hca_cap, hcattr,
709                                          general_obj_types) &
710                               MLX5_GENERAL_OBJ_TYPES_CAP_PARSE_GRAPH_FLEX_NODE);
711         attr->wqe_index_ignore = MLX5_GET(cmd_hca_cap, hcattr,
712                                           wqe_index_ignore_cap);
713         attr->cross_channel = MLX5_GET(cmd_hca_cap, hcattr, cd);
714         attr->non_wire_sq = MLX5_GET(cmd_hca_cap, hcattr, non_wire_sq);
715         attr->log_max_static_sq_wq = MLX5_GET(cmd_hca_cap, hcattr,
716                                               log_max_static_sq_wq);
717         attr->num_lag_ports = MLX5_GET(cmd_hca_cap, hcattr, num_lag_ports);
718         attr->dev_freq_khz = MLX5_GET(cmd_hca_cap, hcattr,
719                                       device_frequency_khz);
720         attr->scatter_fcs_w_decap_disable =
721                 MLX5_GET(cmd_hca_cap, hcattr, scatter_fcs_w_decap_disable);
722         attr->roce = MLX5_GET(cmd_hca_cap, hcattr, roce);
723         attr->rq_ts_format = MLX5_GET(cmd_hca_cap, hcattr, rq_ts_format);
724         attr->sq_ts_format = MLX5_GET(cmd_hca_cap, hcattr, sq_ts_format);
725         attr->regex = MLX5_GET(cmd_hca_cap, hcattr, regexp);
726         attr->regexp_num_of_engines = MLX5_GET(cmd_hca_cap, hcattr,
727                                                regexp_num_of_engines);
728         attr->flow_hit_aso = !!(MLX5_GET64(cmd_hca_cap, hcattr,
729                                            general_obj_types) &
730                                 MLX5_GENERAL_OBJ_TYPES_CAP_FLOW_HIT_ASO);
731         attr->geneve_tlv_opt = !!(MLX5_GET64(cmd_hca_cap, hcattr,
732                                            general_obj_types) &
733                                 MLX5_GENERAL_OBJ_TYPES_CAP_GENEVE_TLV_OPT);
734         attr->log_max_cq = MLX5_GET(cmd_hca_cap, hcattr, log_max_cq);
735         attr->log_max_qp = MLX5_GET(cmd_hca_cap, hcattr, log_max_qp);
736         attr->log_max_cq_sz = MLX5_GET(cmd_hca_cap, hcattr, log_max_cq_sz);
737         attr->log_max_qp_sz = MLX5_GET(cmd_hca_cap, hcattr, log_max_qp_sz);
738         attr->log_max_mrw_sz = MLX5_GET(cmd_hca_cap, hcattr, log_max_mrw_sz);
739         attr->log_max_pd = MLX5_GET(cmd_hca_cap, hcattr, log_max_pd);
740         attr->log_max_srq = MLX5_GET(cmd_hca_cap, hcattr, log_max_srq);
741         attr->log_max_srq_sz = MLX5_GET(cmd_hca_cap, hcattr, log_max_srq_sz);
742         attr->reg_c_preserve =
743                 MLX5_GET(cmd_hca_cap, hcattr, reg_c_preserve);
744         attr->mmo_dma_en = MLX5_GET(cmd_hca_cap, hcattr, dma_mmo);
745         attr->mmo_compress_en = MLX5_GET(cmd_hca_cap, hcattr, compress);
746         attr->mmo_decompress_en = MLX5_GET(cmd_hca_cap, hcattr, decompress);
747         attr->compress_min_block_size = MLX5_GET(cmd_hca_cap, hcattr,
748                                                  compress_min_block_size);
749         attr->log_max_mmo_dma = MLX5_GET(cmd_hca_cap, hcattr, log_dma_mmo_size);
750         attr->log_max_mmo_compress = MLX5_GET(cmd_hca_cap, hcattr,
751                                               log_compress_mmo_size);
752         attr->log_max_mmo_decompress = MLX5_GET(cmd_hca_cap, hcattr,
753                                                 log_decompress_mmo_size);
754         attr->cqe_compression = MLX5_GET(cmd_hca_cap, hcattr, cqe_compression);
755         attr->mini_cqe_resp_flow_tag = MLX5_GET(cmd_hca_cap, hcattr,
756                                                 mini_cqe_resp_flow_tag);
757         attr->mini_cqe_resp_l3_l4_tag = MLX5_GET(cmd_hca_cap, hcattr,
758                                                  mini_cqe_resp_l3_l4_tag);
759         attr->umr_indirect_mkey_disabled =
760                 MLX5_GET(cmd_hca_cap, hcattr, umr_indirect_mkey_disabled);
761         attr->umr_modify_entity_size_disabled =
762                 MLX5_GET(cmd_hca_cap, hcattr, umr_modify_entity_size_disabled);
763         if (attr->qos.sup) {
764                 MLX5_SET(query_hca_cap_in, in, op_mod,
765                          MLX5_GET_HCA_CAP_OP_MOD_QOS_CAP |
766                          MLX5_HCA_CAP_OPMOD_GET_CUR);
767                 rc = mlx5_glue->devx_general_cmd(ctx, in, sizeof(in),
768                                                  out, sizeof(out));
769                 if (rc)
770                         goto error;
771                 if (status) {
772                         DRV_LOG(DEBUG, "Failed to query devx QOS capabilities,"
773                                 " status %x, syndrome = %x", status, syndrome);
774                         return -1;
775                 }
776                 hcattr = MLX5_ADDR_OF(query_hca_cap_out, out, capability);
777                 attr->qos.flow_meter_old =
778                                 MLX5_GET(qos_cap, hcattr, flow_meter_old);
779                 attr->qos.log_max_flow_meter =
780                                 MLX5_GET(qos_cap, hcattr, log_max_flow_meter);
781                 attr->qos.flow_meter_reg_c_ids =
782                                 MLX5_GET(qos_cap, hcattr, flow_meter_reg_id);
783                 attr->qos.flow_meter =
784                                 MLX5_GET(qos_cap, hcattr, flow_meter);
785                 attr->qos.packet_pacing =
786                                 MLX5_GET(qos_cap, hcattr, packet_pacing);
787                 attr->qos.wqe_rate_pp =
788                                 MLX5_GET(qos_cap, hcattr, wqe_rate_pp);
789                 if (attr->qos.flow_meter_aso_sup) {
790                         attr->qos.log_meter_aso_granularity =
791                                 MLX5_GET(qos_cap, hcattr,
792                                         log_meter_aso_granularity);
793                         attr->qos.log_meter_aso_max_alloc =
794                                 MLX5_GET(qos_cap, hcattr,
795                                         log_meter_aso_max_alloc);
796                         attr->qos.log_max_num_meter_aso =
797                                 MLX5_GET(qos_cap, hcattr,
798                                         log_max_num_meter_aso);
799                 }
800         }
801         if (attr->vdpa.valid)
802                 mlx5_devx_cmd_query_hca_vdpa_attr(ctx, &attr->vdpa);
803         if (!attr->eth_net_offloads)
804                 return 0;
805
806         /* Query Flow Sampler Capability From FLow Table Properties Layout. */
807         memset(in, 0, sizeof(in));
808         memset(out, 0, sizeof(out));
809         MLX5_SET(query_hca_cap_in, in, opcode, MLX5_CMD_OP_QUERY_HCA_CAP);
810         MLX5_SET(query_hca_cap_in, in, op_mod,
811                  MLX5_GET_HCA_CAP_OP_MOD_NIC_FLOW_TABLE |
812                  MLX5_HCA_CAP_OPMOD_GET_CUR);
813
814         rc = mlx5_glue->devx_general_cmd(ctx, in, sizeof(in), out, sizeof(out));
815         if (rc)
816                 goto error;
817         status = MLX5_GET(query_hca_cap_out, out, status);
818         syndrome = MLX5_GET(query_hca_cap_out, out, syndrome);
819         if (status) {
820                 DRV_LOG(DEBUG, "Failed to query devx HCA capabilities, "
821                         "status %x, syndrome = %x", status, syndrome);
822                 attr->log_max_ft_sampler_num = 0;
823                 return -1;
824         }
825         hcattr = MLX5_ADDR_OF(query_hca_cap_out, out, capability);
826         attr->log_max_ft_sampler_num =
827                         MLX5_GET(flow_table_nic_cap,
828                         hcattr, flow_table_properties.log_max_ft_sampler_num);
829
830         /* Query HCA offloads for Ethernet protocol. */
831         memset(in, 0, sizeof(in));
832         memset(out, 0, sizeof(out));
833         MLX5_SET(query_hca_cap_in, in, opcode, MLX5_CMD_OP_QUERY_HCA_CAP);
834         MLX5_SET(query_hca_cap_in, in, op_mod,
835                  MLX5_GET_HCA_CAP_OP_MOD_ETHERNET_OFFLOAD_CAPS |
836                  MLX5_HCA_CAP_OPMOD_GET_CUR);
837
838         rc = mlx5_glue->devx_general_cmd(ctx, in, sizeof(in), out, sizeof(out));
839         if (rc) {
840                 attr->eth_net_offloads = 0;
841                 goto error;
842         }
843         status = MLX5_GET(query_hca_cap_out, out, status);
844         syndrome = MLX5_GET(query_hca_cap_out, out, syndrome);
845         if (status) {
846                 DRV_LOG(DEBUG, "Failed to query devx HCA capabilities, "
847                         "status %x, syndrome = %x", status, syndrome);
848                 attr->eth_net_offloads = 0;
849                 return -1;
850         }
851         hcattr = MLX5_ADDR_OF(query_hca_cap_out, out, capability);
852         attr->wqe_vlan_insert = MLX5_GET(per_protocol_networking_offload_caps,
853                                          hcattr, wqe_vlan_insert);
854         attr->lro_cap = MLX5_GET(per_protocol_networking_offload_caps, hcattr,
855                                  lro_cap);
856         attr->tunnel_lro_gre = MLX5_GET(per_protocol_networking_offload_caps,
857                                         hcattr, tunnel_lro_gre);
858         attr->tunnel_lro_vxlan = MLX5_GET(per_protocol_networking_offload_caps,
859                                           hcattr, tunnel_lro_vxlan);
860         attr->lro_max_msg_sz_mode = MLX5_GET
861                                         (per_protocol_networking_offload_caps,
862                                          hcattr, lro_max_msg_sz_mode);
863         for (i = 0 ; i < MLX5_LRO_NUM_SUPP_PERIODS ; i++) {
864                 attr->lro_timer_supported_periods[i] =
865                         MLX5_GET(per_protocol_networking_offload_caps, hcattr,
866                                  lro_timer_supported_periods[i]);
867         }
868         attr->lro_min_mss_size = MLX5_GET(per_protocol_networking_offload_caps,
869                                           hcattr, lro_min_mss_size);
870         attr->tunnel_stateless_geneve_rx =
871                             MLX5_GET(per_protocol_networking_offload_caps,
872                                      hcattr, tunnel_stateless_geneve_rx);
873         attr->geneve_max_opt_len =
874                     MLX5_GET(per_protocol_networking_offload_caps,
875                              hcattr, max_geneve_opt_len);
876         attr->wqe_inline_mode = MLX5_GET(per_protocol_networking_offload_caps,
877                                          hcattr, wqe_inline_mode);
878         attr->tunnel_stateless_gtp = MLX5_GET
879                                         (per_protocol_networking_offload_caps,
880                                          hcattr, tunnel_stateless_gtp);
881         attr->rss_ind_tbl_cap = MLX5_GET
882                                         (per_protocol_networking_offload_caps,
883                                          hcattr, rss_ind_tbl_cap);
884         /* Query HCA attribute for ROCE. */
885         if (attr->roce) {
886                 memset(in, 0, sizeof(in));
887                 memset(out, 0, sizeof(out));
888                 MLX5_SET(query_hca_cap_in, in, opcode,
889                          MLX5_CMD_OP_QUERY_HCA_CAP);
890                 MLX5_SET(query_hca_cap_in, in, op_mod,
891                          MLX5_GET_HCA_CAP_OP_MOD_ROCE |
892                          MLX5_HCA_CAP_OPMOD_GET_CUR);
893                 rc = mlx5_glue->devx_general_cmd(ctx, in, sizeof(in),
894                                                  out, sizeof(out));
895                 if (rc)
896                         goto error;
897                 status = MLX5_GET(query_hca_cap_out, out, status);
898                 syndrome = MLX5_GET(query_hca_cap_out, out, syndrome);
899                 if (status) {
900                         DRV_LOG(DEBUG,
901                                 "Failed to query devx HCA ROCE capabilities, "
902                                 "status %x, syndrome = %x", status, syndrome);
903                         return -1;
904                 }
905                 hcattr = MLX5_ADDR_OF(query_hca_cap_out, out, capability);
906                 attr->qp_ts_format = MLX5_GET(roce_caps, hcattr, qp_ts_format);
907         }
908         if (attr->eth_virt &&
909             attr->wqe_inline_mode == MLX5_CAP_INLINE_MODE_VPORT_CONTEXT) {
910                 rc = mlx5_devx_cmd_query_nic_vport_context(ctx, 0, attr);
911                 if (rc) {
912                         attr->eth_virt = 0;
913                         goto error;
914                 }
915         }
916         return 0;
917 error:
918         rc = (rc > 0) ? -rc : rc;
919         return rc;
920 }
921
922 /**
923  * Query TIS transport domain from QP verbs object using DevX API.
924  *
925  * @param[in] qp
926  *   Pointer to verbs QP returned by ibv_create_qp .
927  * @param[in] tis_num
928  *   TIS number of TIS to query.
929  * @param[out] tis_td
930  *   Pointer to TIS transport domain variable, to be set by the routine.
931  *
932  * @return
933  *   0 on success, a negative value otherwise.
934  */
935 int
936 mlx5_devx_cmd_qp_query_tis_td(void *qp, uint32_t tis_num,
937                               uint32_t *tis_td)
938 {
939 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
940         uint32_t in[MLX5_ST_SZ_DW(query_tis_in)] = {0};
941         uint32_t out[MLX5_ST_SZ_DW(query_tis_out)] = {0};
942         int rc;
943         void *tis_ctx;
944
945         MLX5_SET(query_tis_in, in, opcode, MLX5_CMD_OP_QUERY_TIS);
946         MLX5_SET(query_tis_in, in, tisn, tis_num);
947         rc = mlx5_glue->devx_qp_query(qp, in, sizeof(in), out, sizeof(out));
948         if (rc) {
949                 DRV_LOG(ERR, "Failed to query QP using DevX");
950                 return -rc;
951         };
952         tis_ctx = MLX5_ADDR_OF(query_tis_out, out, tis_context);
953         *tis_td = MLX5_GET(tisc, tis_ctx, transport_domain);
954         return 0;
955 #else
956         (void)qp;
957         (void)tis_num;
958         (void)tis_td;
959         return -ENOTSUP;
960 #endif
961 }
962
963 /**
964  * Fill WQ data for DevX API command.
965  * Utility function for use when creating DevX objects containing a WQ.
966  *
967  * @param[in] wq_ctx
968  *   Pointer to WQ context to fill with data.
969  * @param [in] wq_attr
970  *   Pointer to WQ attributes structure to fill in WQ context.
971  */
972 static void
973 devx_cmd_fill_wq_data(void *wq_ctx, struct mlx5_devx_wq_attr *wq_attr)
974 {
975         MLX5_SET(wq, wq_ctx, wq_type, wq_attr->wq_type);
976         MLX5_SET(wq, wq_ctx, wq_signature, wq_attr->wq_signature);
977         MLX5_SET(wq, wq_ctx, end_padding_mode, wq_attr->end_padding_mode);
978         MLX5_SET(wq, wq_ctx, cd_slave, wq_attr->cd_slave);
979         MLX5_SET(wq, wq_ctx, hds_skip_first_sge, wq_attr->hds_skip_first_sge);
980         MLX5_SET(wq, wq_ctx, log2_hds_buf_size, wq_attr->log2_hds_buf_size);
981         MLX5_SET(wq, wq_ctx, page_offset, wq_attr->page_offset);
982         MLX5_SET(wq, wq_ctx, lwm, wq_attr->lwm);
983         MLX5_SET(wq, wq_ctx, pd, wq_attr->pd);
984         MLX5_SET(wq, wq_ctx, uar_page, wq_attr->uar_page);
985         MLX5_SET64(wq, wq_ctx, dbr_addr, wq_attr->dbr_addr);
986         MLX5_SET(wq, wq_ctx, hw_counter, wq_attr->hw_counter);
987         MLX5_SET(wq, wq_ctx, sw_counter, wq_attr->sw_counter);
988         MLX5_SET(wq, wq_ctx, log_wq_stride, wq_attr->log_wq_stride);
989         if (wq_attr->log_wq_pg_sz > MLX5_ADAPTER_PAGE_SHIFT)
990                 MLX5_SET(wq, wq_ctx, log_wq_pg_sz,
991                          wq_attr->log_wq_pg_sz - MLX5_ADAPTER_PAGE_SHIFT);
992         MLX5_SET(wq, wq_ctx, log_wq_sz, wq_attr->log_wq_sz);
993         MLX5_SET(wq, wq_ctx, dbr_umem_valid, wq_attr->dbr_umem_valid);
994         MLX5_SET(wq, wq_ctx, wq_umem_valid, wq_attr->wq_umem_valid);
995         MLX5_SET(wq, wq_ctx, log_hairpin_num_packets,
996                  wq_attr->log_hairpin_num_packets);
997         MLX5_SET(wq, wq_ctx, log_hairpin_data_sz, wq_attr->log_hairpin_data_sz);
998         MLX5_SET(wq, wq_ctx, single_wqe_log_num_of_strides,
999                  wq_attr->single_wqe_log_num_of_strides);
1000         MLX5_SET(wq, wq_ctx, two_byte_shift_en, wq_attr->two_byte_shift_en);
1001         MLX5_SET(wq, wq_ctx, single_stride_log_num_of_bytes,
1002                  wq_attr->single_stride_log_num_of_bytes);
1003         MLX5_SET(wq, wq_ctx, dbr_umem_id, wq_attr->dbr_umem_id);
1004         MLX5_SET(wq, wq_ctx, wq_umem_id, wq_attr->wq_umem_id);
1005         MLX5_SET64(wq, wq_ctx, wq_umem_offset, wq_attr->wq_umem_offset);
1006 }
1007
1008 /**
1009  * Create RQ using DevX API.
1010  *
1011  * @param[in] ctx
1012  *   Context returned from mlx5 open_device() glue function.
1013  * @param [in] rq_attr
1014  *   Pointer to create RQ attributes structure.
1015  * @param [in] socket
1016  *   CPU socket ID for allocations.
1017  *
1018  * @return
1019  *   The DevX object created, NULL otherwise and rte_errno is set.
1020  */
1021 struct mlx5_devx_obj *
1022 mlx5_devx_cmd_create_rq(void *ctx,
1023                         struct mlx5_devx_create_rq_attr *rq_attr,
1024                         int socket)
1025 {
1026         uint32_t in[MLX5_ST_SZ_DW(create_rq_in)] = {0};
1027         uint32_t out[MLX5_ST_SZ_DW(create_rq_out)] = {0};
1028         void *rq_ctx, *wq_ctx;
1029         struct mlx5_devx_wq_attr *wq_attr;
1030         struct mlx5_devx_obj *rq = NULL;
1031
1032         rq = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*rq), 0, socket);
1033         if (!rq) {
1034                 DRV_LOG(ERR, "Failed to allocate RQ data");
1035                 rte_errno = ENOMEM;
1036                 return NULL;
1037         }
1038         MLX5_SET(create_rq_in, in, opcode, MLX5_CMD_OP_CREATE_RQ);
1039         rq_ctx = MLX5_ADDR_OF(create_rq_in, in, ctx);
1040         MLX5_SET(rqc, rq_ctx, rlky, rq_attr->rlky);
1041         MLX5_SET(rqc, rq_ctx, delay_drop_en, rq_attr->delay_drop_en);
1042         MLX5_SET(rqc, rq_ctx, scatter_fcs, rq_attr->scatter_fcs);
1043         MLX5_SET(rqc, rq_ctx, vsd, rq_attr->vsd);
1044         MLX5_SET(rqc, rq_ctx, mem_rq_type, rq_attr->mem_rq_type);
1045         MLX5_SET(rqc, rq_ctx, state, rq_attr->state);
1046         MLX5_SET(rqc, rq_ctx, flush_in_error_en, rq_attr->flush_in_error_en);
1047         MLX5_SET(rqc, rq_ctx, hairpin, rq_attr->hairpin);
1048         MLX5_SET(rqc, rq_ctx, user_index, rq_attr->user_index);
1049         MLX5_SET(rqc, rq_ctx, cqn, rq_attr->cqn);
1050         MLX5_SET(rqc, rq_ctx, counter_set_id, rq_attr->counter_set_id);
1051         MLX5_SET(rqc, rq_ctx, rmpn, rq_attr->rmpn);
1052         MLX5_SET(sqc, rq_ctx, ts_format, rq_attr->ts_format);
1053         wq_ctx = MLX5_ADDR_OF(rqc, rq_ctx, wq);
1054         wq_attr = &rq_attr->wq_attr;
1055         devx_cmd_fill_wq_data(wq_ctx, wq_attr);
1056         rq->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
1057                                                   out, sizeof(out));
1058         if (!rq->obj) {
1059                 DRV_LOG(ERR, "Failed to create RQ using DevX");
1060                 rte_errno = errno;
1061                 mlx5_free(rq);
1062                 return NULL;
1063         }
1064         rq->id = MLX5_GET(create_rq_out, out, rqn);
1065         return rq;
1066 }
1067
1068 /**
1069  * Modify RQ using DevX API.
1070  *
1071  * @param[in] rq
1072  *   Pointer to RQ object structure.
1073  * @param [in] rq_attr
1074  *   Pointer to modify RQ attributes structure.
1075  *
1076  * @return
1077  *   0 on success, a negative errno value otherwise and rte_errno is set.
1078  */
1079 int
1080 mlx5_devx_cmd_modify_rq(struct mlx5_devx_obj *rq,
1081                         struct mlx5_devx_modify_rq_attr *rq_attr)
1082 {
1083         uint32_t in[MLX5_ST_SZ_DW(modify_rq_in)] = {0};
1084         uint32_t out[MLX5_ST_SZ_DW(modify_rq_out)] = {0};
1085         void *rq_ctx, *wq_ctx;
1086         int ret;
1087
1088         MLX5_SET(modify_rq_in, in, opcode, MLX5_CMD_OP_MODIFY_RQ);
1089         MLX5_SET(modify_rq_in, in, rq_state, rq_attr->rq_state);
1090         MLX5_SET(modify_rq_in, in, rqn, rq->id);
1091         MLX5_SET64(modify_rq_in, in, modify_bitmask, rq_attr->modify_bitmask);
1092         rq_ctx = MLX5_ADDR_OF(modify_rq_in, in, ctx);
1093         MLX5_SET(rqc, rq_ctx, state, rq_attr->state);
1094         if (rq_attr->modify_bitmask &
1095                         MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_SCATTER_FCS)
1096                 MLX5_SET(rqc, rq_ctx, scatter_fcs, rq_attr->scatter_fcs);
1097         if (rq_attr->modify_bitmask & MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_VSD)
1098                 MLX5_SET(rqc, rq_ctx, vsd, rq_attr->vsd);
1099         if (rq_attr->modify_bitmask &
1100                         MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_RQ_COUNTER_SET_ID)
1101                 MLX5_SET(rqc, rq_ctx, counter_set_id, rq_attr->counter_set_id);
1102         MLX5_SET(rqc, rq_ctx, hairpin_peer_sq, rq_attr->hairpin_peer_sq);
1103         MLX5_SET(rqc, rq_ctx, hairpin_peer_vhca, rq_attr->hairpin_peer_vhca);
1104         if (rq_attr->modify_bitmask & MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_WQ_LWM) {
1105                 wq_ctx = MLX5_ADDR_OF(rqc, rq_ctx, wq);
1106                 MLX5_SET(wq, wq_ctx, lwm, rq_attr->lwm);
1107         }
1108         ret = mlx5_glue->devx_obj_modify(rq->obj, in, sizeof(in),
1109                                          out, sizeof(out));
1110         if (ret) {
1111                 DRV_LOG(ERR, "Failed to modify RQ using DevX");
1112                 rte_errno = errno;
1113                 return -errno;
1114         }
1115         return ret;
1116 }
1117
1118 /**
1119  * Create TIR using DevX API.
1120  *
1121  * @param[in] ctx
1122  *  Context returned from mlx5 open_device() glue function.
1123  * @param [in] tir_attr
1124  *   Pointer to TIR attributes structure.
1125  *
1126  * @return
1127  *   The DevX object created, NULL otherwise and rte_errno is set.
1128  */
1129 struct mlx5_devx_obj *
1130 mlx5_devx_cmd_create_tir(void *ctx,
1131                          struct mlx5_devx_tir_attr *tir_attr)
1132 {
1133         uint32_t in[MLX5_ST_SZ_DW(create_tir_in)] = {0};
1134         uint32_t out[MLX5_ST_SZ_DW(create_tir_out)] = {0};
1135         void *tir_ctx, *outer, *inner, *rss_key;
1136         struct mlx5_devx_obj *tir = NULL;
1137
1138         tir = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*tir), 0, SOCKET_ID_ANY);
1139         if (!tir) {
1140                 DRV_LOG(ERR, "Failed to allocate TIR data");
1141                 rte_errno = ENOMEM;
1142                 return NULL;
1143         }
1144         MLX5_SET(create_tir_in, in, opcode, MLX5_CMD_OP_CREATE_TIR);
1145         tir_ctx = MLX5_ADDR_OF(create_tir_in, in, ctx);
1146         MLX5_SET(tirc, tir_ctx, disp_type, tir_attr->disp_type);
1147         MLX5_SET(tirc, tir_ctx, lro_timeout_period_usecs,
1148                  tir_attr->lro_timeout_period_usecs);
1149         MLX5_SET(tirc, tir_ctx, lro_enable_mask, tir_attr->lro_enable_mask);
1150         MLX5_SET(tirc, tir_ctx, lro_max_msg_sz, tir_attr->lro_max_msg_sz);
1151         MLX5_SET(tirc, tir_ctx, inline_rqn, tir_attr->inline_rqn);
1152         MLX5_SET(tirc, tir_ctx, rx_hash_symmetric, tir_attr->rx_hash_symmetric);
1153         MLX5_SET(tirc, tir_ctx, tunneled_offload_en,
1154                  tir_attr->tunneled_offload_en);
1155         MLX5_SET(tirc, tir_ctx, indirect_table, tir_attr->indirect_table);
1156         MLX5_SET(tirc, tir_ctx, rx_hash_fn, tir_attr->rx_hash_fn);
1157         MLX5_SET(tirc, tir_ctx, self_lb_block, tir_attr->self_lb_block);
1158         MLX5_SET(tirc, tir_ctx, transport_domain, tir_attr->transport_domain);
1159         rss_key = MLX5_ADDR_OF(tirc, tir_ctx, rx_hash_toeplitz_key);
1160         memcpy(rss_key, tir_attr->rx_hash_toeplitz_key, MLX5_RSS_HASH_KEY_LEN);
1161         outer = MLX5_ADDR_OF(tirc, tir_ctx, rx_hash_field_selector_outer);
1162         MLX5_SET(rx_hash_field_select, outer, l3_prot_type,
1163                  tir_attr->rx_hash_field_selector_outer.l3_prot_type);
1164         MLX5_SET(rx_hash_field_select, outer, l4_prot_type,
1165                  tir_attr->rx_hash_field_selector_outer.l4_prot_type);
1166         MLX5_SET(rx_hash_field_select, outer, selected_fields,
1167                  tir_attr->rx_hash_field_selector_outer.selected_fields);
1168         inner = MLX5_ADDR_OF(tirc, tir_ctx, rx_hash_field_selector_inner);
1169         MLX5_SET(rx_hash_field_select, inner, l3_prot_type,
1170                  tir_attr->rx_hash_field_selector_inner.l3_prot_type);
1171         MLX5_SET(rx_hash_field_select, inner, l4_prot_type,
1172                  tir_attr->rx_hash_field_selector_inner.l4_prot_type);
1173         MLX5_SET(rx_hash_field_select, inner, selected_fields,
1174                  tir_attr->rx_hash_field_selector_inner.selected_fields);
1175         tir->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
1176                                                    out, sizeof(out));
1177         if (!tir->obj) {
1178                 DRV_LOG(ERR, "Failed to create TIR using DevX");
1179                 rte_errno = errno;
1180                 mlx5_free(tir);
1181                 return NULL;
1182         }
1183         tir->id = MLX5_GET(create_tir_out, out, tirn);
1184         return tir;
1185 }
1186
1187 /**
1188  * Modify TIR using DevX API.
1189  *
1190  * @param[in] tir
1191  *   Pointer to TIR DevX object structure.
1192  * @param [in] modify_tir_attr
1193  *   Pointer to TIR modification attributes structure.
1194  *
1195  * @return
1196  *   0 on success, a negative errno value otherwise and rte_errno is set.
1197  */
1198 int
1199 mlx5_devx_cmd_modify_tir(struct mlx5_devx_obj *tir,
1200                          struct mlx5_devx_modify_tir_attr *modify_tir_attr)
1201 {
1202         struct mlx5_devx_tir_attr *tir_attr = &modify_tir_attr->tir;
1203         uint32_t in[MLX5_ST_SZ_DW(modify_tir_in)] = {0};
1204         uint32_t out[MLX5_ST_SZ_DW(modify_tir_out)] = {0};
1205         void *tir_ctx;
1206         int ret;
1207
1208         MLX5_SET(modify_tir_in, in, opcode, MLX5_CMD_OP_MODIFY_TIR);
1209         MLX5_SET(modify_tir_in, in, tirn, modify_tir_attr->tirn);
1210         MLX5_SET64(modify_tir_in, in, modify_bitmask,
1211                    modify_tir_attr->modify_bitmask);
1212         tir_ctx = MLX5_ADDR_OF(modify_rq_in, in, ctx);
1213         if (modify_tir_attr->modify_bitmask &
1214                         MLX5_MODIFY_TIR_IN_MODIFY_BITMASK_LRO) {
1215                 MLX5_SET(tirc, tir_ctx, lro_timeout_period_usecs,
1216                          tir_attr->lro_timeout_period_usecs);
1217                 MLX5_SET(tirc, tir_ctx, lro_enable_mask,
1218                          tir_attr->lro_enable_mask);
1219                 MLX5_SET(tirc, tir_ctx, lro_max_msg_sz,
1220                          tir_attr->lro_max_msg_sz);
1221         }
1222         if (modify_tir_attr->modify_bitmask &
1223                         MLX5_MODIFY_TIR_IN_MODIFY_BITMASK_INDIRECT_TABLE)
1224                 MLX5_SET(tirc, tir_ctx, indirect_table,
1225                          tir_attr->indirect_table);
1226         if (modify_tir_attr->modify_bitmask &
1227                         MLX5_MODIFY_TIR_IN_MODIFY_BITMASK_HASH) {
1228                 int i;
1229                 void *outer, *inner;
1230
1231                 MLX5_SET(tirc, tir_ctx, rx_hash_symmetric,
1232                          tir_attr->rx_hash_symmetric);
1233                 MLX5_SET(tirc, tir_ctx, rx_hash_fn, tir_attr->rx_hash_fn);
1234                 for (i = 0; i < 10; i++) {
1235                         MLX5_SET(tirc, tir_ctx, rx_hash_toeplitz_key[i],
1236                                  tir_attr->rx_hash_toeplitz_key[i]);
1237                 }
1238                 outer = MLX5_ADDR_OF(tirc, tir_ctx,
1239                                      rx_hash_field_selector_outer);
1240                 MLX5_SET(rx_hash_field_select, outer, l3_prot_type,
1241                          tir_attr->rx_hash_field_selector_outer.l3_prot_type);
1242                 MLX5_SET(rx_hash_field_select, outer, l4_prot_type,
1243                          tir_attr->rx_hash_field_selector_outer.l4_prot_type);
1244                 MLX5_SET
1245                 (rx_hash_field_select, outer, selected_fields,
1246                  tir_attr->rx_hash_field_selector_outer.selected_fields);
1247                 inner = MLX5_ADDR_OF(tirc, tir_ctx,
1248                                      rx_hash_field_selector_inner);
1249                 MLX5_SET(rx_hash_field_select, inner, l3_prot_type,
1250                          tir_attr->rx_hash_field_selector_inner.l3_prot_type);
1251                 MLX5_SET(rx_hash_field_select, inner, l4_prot_type,
1252                          tir_attr->rx_hash_field_selector_inner.l4_prot_type);
1253                 MLX5_SET
1254                 (rx_hash_field_select, inner, selected_fields,
1255                  tir_attr->rx_hash_field_selector_inner.selected_fields);
1256         }
1257         if (modify_tir_attr->modify_bitmask &
1258             MLX5_MODIFY_TIR_IN_MODIFY_BITMASK_SELF_LB_EN) {
1259                 MLX5_SET(tirc, tir_ctx, self_lb_block, tir_attr->self_lb_block);
1260         }
1261         ret = mlx5_glue->devx_obj_modify(tir->obj, in, sizeof(in),
1262                                          out, sizeof(out));
1263         if (ret) {
1264                 DRV_LOG(ERR, "Failed to modify TIR using DevX");
1265                 rte_errno = errno;
1266                 return -errno;
1267         }
1268         return ret;
1269 }
1270
1271 /**
1272  * Create RQT using DevX API.
1273  *
1274  * @param[in] ctx
1275  *   Context returned from mlx5 open_device() glue function.
1276  * @param [in] rqt_attr
1277  *   Pointer to RQT attributes structure.
1278  *
1279  * @return
1280  *   The DevX object created, NULL otherwise and rte_errno is set.
1281  */
1282 struct mlx5_devx_obj *
1283 mlx5_devx_cmd_create_rqt(void *ctx,
1284                          struct mlx5_devx_rqt_attr *rqt_attr)
1285 {
1286         uint32_t *in = NULL;
1287         uint32_t inlen = MLX5_ST_SZ_BYTES(create_rqt_in) +
1288                          rqt_attr->rqt_actual_size * sizeof(uint32_t);
1289         uint32_t out[MLX5_ST_SZ_DW(create_rqt_out)] = {0};
1290         void *rqt_ctx;
1291         struct mlx5_devx_obj *rqt = NULL;
1292         int i;
1293
1294         in = mlx5_malloc(MLX5_MEM_ZERO, inlen, 0, SOCKET_ID_ANY);
1295         if (!in) {
1296                 DRV_LOG(ERR, "Failed to allocate RQT IN data");
1297                 rte_errno = ENOMEM;
1298                 return NULL;
1299         }
1300         rqt = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*rqt), 0, SOCKET_ID_ANY);
1301         if (!rqt) {
1302                 DRV_LOG(ERR, "Failed to allocate RQT data");
1303                 rte_errno = ENOMEM;
1304                 mlx5_free(in);
1305                 return NULL;
1306         }
1307         MLX5_SET(create_rqt_in, in, opcode, MLX5_CMD_OP_CREATE_RQT);
1308         rqt_ctx = MLX5_ADDR_OF(create_rqt_in, in, rqt_context);
1309         MLX5_SET(rqtc, rqt_ctx, list_q_type, rqt_attr->rq_type);
1310         MLX5_SET(rqtc, rqt_ctx, rqt_max_size, rqt_attr->rqt_max_size);
1311         MLX5_SET(rqtc, rqt_ctx, rqt_actual_size, rqt_attr->rqt_actual_size);
1312         for (i = 0; i < rqt_attr->rqt_actual_size; i++)
1313                 MLX5_SET(rqtc, rqt_ctx, rq_num[i], rqt_attr->rq_list[i]);
1314         rqt->obj = mlx5_glue->devx_obj_create(ctx, in, inlen, out, sizeof(out));
1315         mlx5_free(in);
1316         if (!rqt->obj) {
1317                 DRV_LOG(ERR, "Failed to create RQT using DevX");
1318                 rte_errno = errno;
1319                 mlx5_free(rqt);
1320                 return NULL;
1321         }
1322         rqt->id = MLX5_GET(create_rqt_out, out, rqtn);
1323         return rqt;
1324 }
1325
1326 /**
1327  * Modify RQT using DevX API.
1328  *
1329  * @param[in] rqt
1330  *   Pointer to RQT DevX object structure.
1331  * @param [in] rqt_attr
1332  *   Pointer to RQT attributes structure.
1333  *
1334  * @return
1335  *   0 on success, a negative errno value otherwise and rte_errno is set.
1336  */
1337 int
1338 mlx5_devx_cmd_modify_rqt(struct mlx5_devx_obj *rqt,
1339                          struct mlx5_devx_rqt_attr *rqt_attr)
1340 {
1341         uint32_t inlen = MLX5_ST_SZ_BYTES(modify_rqt_in) +
1342                          rqt_attr->rqt_actual_size * sizeof(uint32_t);
1343         uint32_t out[MLX5_ST_SZ_DW(modify_rqt_out)] = {0};
1344         uint32_t *in = mlx5_malloc(MLX5_MEM_ZERO, inlen, 0, SOCKET_ID_ANY);
1345         void *rqt_ctx;
1346         int i;
1347         int ret;
1348
1349         if (!in) {
1350                 DRV_LOG(ERR, "Failed to allocate RQT modify IN data.");
1351                 rte_errno = ENOMEM;
1352                 return -ENOMEM;
1353         }
1354         MLX5_SET(modify_rqt_in, in, opcode, MLX5_CMD_OP_MODIFY_RQT);
1355         MLX5_SET(modify_rqt_in, in, rqtn, rqt->id);
1356         MLX5_SET64(modify_rqt_in, in, modify_bitmask, 0x1);
1357         rqt_ctx = MLX5_ADDR_OF(modify_rqt_in, in, rqt_context);
1358         MLX5_SET(rqtc, rqt_ctx, list_q_type, rqt_attr->rq_type);
1359         MLX5_SET(rqtc, rqt_ctx, rqt_max_size, rqt_attr->rqt_max_size);
1360         MLX5_SET(rqtc, rqt_ctx, rqt_actual_size, rqt_attr->rqt_actual_size);
1361         for (i = 0; i < rqt_attr->rqt_actual_size; i++)
1362                 MLX5_SET(rqtc, rqt_ctx, rq_num[i], rqt_attr->rq_list[i]);
1363         ret = mlx5_glue->devx_obj_modify(rqt->obj, in, inlen, out, sizeof(out));
1364         mlx5_free(in);
1365         if (ret) {
1366                 DRV_LOG(ERR, "Failed to modify RQT using DevX.");
1367                 rte_errno = errno;
1368                 return -rte_errno;
1369         }
1370         return ret;
1371 }
1372
1373 /**
1374  * Create SQ using DevX API.
1375  *
1376  * @param[in] ctx
1377  *   Context returned from mlx5 open_device() glue function.
1378  * @param [in] sq_attr
1379  *   Pointer to SQ attributes structure.
1380  * @param [in] socket
1381  *   CPU socket ID for allocations.
1382  *
1383  * @return
1384  *   The DevX object created, NULL otherwise and rte_errno is set.
1385  **/
1386 struct mlx5_devx_obj *
1387 mlx5_devx_cmd_create_sq(void *ctx,
1388                         struct mlx5_devx_create_sq_attr *sq_attr)
1389 {
1390         uint32_t in[MLX5_ST_SZ_DW(create_sq_in)] = {0};
1391         uint32_t out[MLX5_ST_SZ_DW(create_sq_out)] = {0};
1392         void *sq_ctx;
1393         void *wq_ctx;
1394         struct mlx5_devx_wq_attr *wq_attr;
1395         struct mlx5_devx_obj *sq = NULL;
1396
1397         sq = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*sq), 0, SOCKET_ID_ANY);
1398         if (!sq) {
1399                 DRV_LOG(ERR, "Failed to allocate SQ data");
1400                 rte_errno = ENOMEM;
1401                 return NULL;
1402         }
1403         MLX5_SET(create_sq_in, in, opcode, MLX5_CMD_OP_CREATE_SQ);
1404         sq_ctx = MLX5_ADDR_OF(create_sq_in, in, ctx);
1405         MLX5_SET(sqc, sq_ctx, rlky, sq_attr->rlky);
1406         MLX5_SET(sqc, sq_ctx, cd_master, sq_attr->cd_master);
1407         MLX5_SET(sqc, sq_ctx, fre, sq_attr->fre);
1408         MLX5_SET(sqc, sq_ctx, flush_in_error_en, sq_attr->flush_in_error_en);
1409         MLX5_SET(sqc, sq_ctx, allow_multi_pkt_send_wqe,
1410                  sq_attr->allow_multi_pkt_send_wqe);
1411         MLX5_SET(sqc, sq_ctx, min_wqe_inline_mode,
1412                  sq_attr->min_wqe_inline_mode);
1413         MLX5_SET(sqc, sq_ctx, state, sq_attr->state);
1414         MLX5_SET(sqc, sq_ctx, reg_umr, sq_attr->reg_umr);
1415         MLX5_SET(sqc, sq_ctx, allow_swp, sq_attr->allow_swp);
1416         MLX5_SET(sqc, sq_ctx, hairpin, sq_attr->hairpin);
1417         MLX5_SET(sqc, sq_ctx, non_wire, sq_attr->non_wire);
1418         MLX5_SET(sqc, sq_ctx, static_sq_wq, sq_attr->static_sq_wq);
1419         MLX5_SET(sqc, sq_ctx, user_index, sq_attr->user_index);
1420         MLX5_SET(sqc, sq_ctx, cqn, sq_attr->cqn);
1421         MLX5_SET(sqc, sq_ctx, packet_pacing_rate_limit_index,
1422                  sq_attr->packet_pacing_rate_limit_index);
1423         MLX5_SET(sqc, sq_ctx, tis_lst_sz, sq_attr->tis_lst_sz);
1424         MLX5_SET(sqc, sq_ctx, tis_num_0, sq_attr->tis_num);
1425         MLX5_SET(sqc, sq_ctx, ts_format, sq_attr->ts_format);
1426         wq_ctx = MLX5_ADDR_OF(sqc, sq_ctx, wq);
1427         wq_attr = &sq_attr->wq_attr;
1428         devx_cmd_fill_wq_data(wq_ctx, wq_attr);
1429         sq->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
1430                                              out, sizeof(out));
1431         if (!sq->obj) {
1432                 DRV_LOG(ERR, "Failed to create SQ using DevX");
1433                 rte_errno = errno;
1434                 mlx5_free(sq);
1435                 return NULL;
1436         }
1437         sq->id = MLX5_GET(create_sq_out, out, sqn);
1438         return sq;
1439 }
1440
1441 /**
1442  * Modify SQ using DevX API.
1443  *
1444  * @param[in] sq
1445  *   Pointer to SQ object structure.
1446  * @param [in] sq_attr
1447  *   Pointer to SQ attributes structure.
1448  *
1449  * @return
1450  *   0 on success, a negative errno value otherwise and rte_errno is set.
1451  */
1452 int
1453 mlx5_devx_cmd_modify_sq(struct mlx5_devx_obj *sq,
1454                         struct mlx5_devx_modify_sq_attr *sq_attr)
1455 {
1456         uint32_t in[MLX5_ST_SZ_DW(modify_sq_in)] = {0};
1457         uint32_t out[MLX5_ST_SZ_DW(modify_sq_out)] = {0};
1458         void *sq_ctx;
1459         int ret;
1460
1461         MLX5_SET(modify_sq_in, in, opcode, MLX5_CMD_OP_MODIFY_SQ);
1462         MLX5_SET(modify_sq_in, in, sq_state, sq_attr->sq_state);
1463         MLX5_SET(modify_sq_in, in, sqn, sq->id);
1464         sq_ctx = MLX5_ADDR_OF(modify_sq_in, in, ctx);
1465         MLX5_SET(sqc, sq_ctx, state, sq_attr->state);
1466         MLX5_SET(sqc, sq_ctx, hairpin_peer_rq, sq_attr->hairpin_peer_rq);
1467         MLX5_SET(sqc, sq_ctx, hairpin_peer_vhca, sq_attr->hairpin_peer_vhca);
1468         ret = mlx5_glue->devx_obj_modify(sq->obj, in, sizeof(in),
1469                                          out, sizeof(out));
1470         if (ret) {
1471                 DRV_LOG(ERR, "Failed to modify SQ using DevX");
1472                 rte_errno = errno;
1473                 return -rte_errno;
1474         }
1475         return ret;
1476 }
1477
1478 /**
1479  * Create TIS using DevX API.
1480  *
1481  * @param[in] ctx
1482  *   Context returned from mlx5 open_device() glue function.
1483  * @param [in] tis_attr
1484  *   Pointer to TIS attributes structure.
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_tis(void *ctx,
1491                          struct mlx5_devx_tis_attr *tis_attr)
1492 {
1493         uint32_t in[MLX5_ST_SZ_DW(create_tis_in)] = {0};
1494         uint32_t out[MLX5_ST_SZ_DW(create_tis_out)] = {0};
1495         struct mlx5_devx_obj *tis = NULL;
1496         void *tis_ctx;
1497
1498         tis = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*tis), 0, SOCKET_ID_ANY);
1499         if (!tis) {
1500                 DRV_LOG(ERR, "Failed to allocate TIS object");
1501                 rte_errno = ENOMEM;
1502                 return NULL;
1503         }
1504         MLX5_SET(create_tis_in, in, opcode, MLX5_CMD_OP_CREATE_TIS);
1505         tis_ctx = MLX5_ADDR_OF(create_tis_in, in, ctx);
1506         MLX5_SET(tisc, tis_ctx, strict_lag_tx_port_affinity,
1507                  tis_attr->strict_lag_tx_port_affinity);
1508         MLX5_SET(tisc, tis_ctx, lag_tx_port_affinity,
1509                  tis_attr->lag_tx_port_affinity);
1510         MLX5_SET(tisc, tis_ctx, prio, tis_attr->prio);
1511         MLX5_SET(tisc, tis_ctx, transport_domain,
1512                  tis_attr->transport_domain);
1513         tis->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
1514                                               out, sizeof(out));
1515         if (!tis->obj) {
1516                 DRV_LOG(ERR, "Failed to create TIS using DevX");
1517                 rte_errno = errno;
1518                 mlx5_free(tis);
1519                 return NULL;
1520         }
1521         tis->id = MLX5_GET(create_tis_out, out, tisn);
1522         return tis;
1523 }
1524
1525 /**
1526  * Create transport domain using DevX API.
1527  *
1528  * @param[in] ctx
1529  *   Context returned from mlx5 open_device() glue function.
1530  * @return
1531  *   The DevX object created, NULL otherwise and rte_errno is set.
1532  */
1533 struct mlx5_devx_obj *
1534 mlx5_devx_cmd_create_td(void *ctx)
1535 {
1536         uint32_t in[MLX5_ST_SZ_DW(alloc_transport_domain_in)] = {0};
1537         uint32_t out[MLX5_ST_SZ_DW(alloc_transport_domain_out)] = {0};
1538         struct mlx5_devx_obj *td = NULL;
1539
1540         td = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*td), 0, SOCKET_ID_ANY);
1541         if (!td) {
1542                 DRV_LOG(ERR, "Failed to allocate TD object");
1543                 rte_errno = ENOMEM;
1544                 return NULL;
1545         }
1546         MLX5_SET(alloc_transport_domain_in, in, opcode,
1547                  MLX5_CMD_OP_ALLOC_TRANSPORT_DOMAIN);
1548         td->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
1549                                              out, sizeof(out));
1550         if (!td->obj) {
1551                 DRV_LOG(ERR, "Failed to create TIS using DevX");
1552                 rte_errno = errno;
1553                 mlx5_free(td);
1554                 return NULL;
1555         }
1556         td->id = MLX5_GET(alloc_transport_domain_out, out,
1557                            transport_domain);
1558         return td;
1559 }
1560
1561 /**
1562  * Dump all flows to file.
1563  *
1564  * @param[in] fdb_domain
1565  *   FDB domain.
1566  * @param[in] rx_domain
1567  *   RX domain.
1568  * @param[in] tx_domain
1569  *   TX domain.
1570  * @param[out] file
1571  *   Pointer to file stream.
1572  *
1573  * @return
1574  *   0 on success, a nagative value otherwise.
1575  */
1576 int
1577 mlx5_devx_cmd_flow_dump(void *fdb_domain __rte_unused,
1578                         void *rx_domain __rte_unused,
1579                         void *tx_domain __rte_unused, FILE *file __rte_unused)
1580 {
1581         int ret = 0;
1582
1583 #ifdef HAVE_MLX5_DR_FLOW_DUMP
1584         if (fdb_domain) {
1585                 ret = mlx5_glue->dr_dump_domain(file, fdb_domain);
1586                 if (ret)
1587                         return ret;
1588         }
1589         MLX5_ASSERT(rx_domain);
1590         ret = mlx5_glue->dr_dump_domain(file, rx_domain);
1591         if (ret)
1592                 return ret;
1593         MLX5_ASSERT(tx_domain);
1594         ret = mlx5_glue->dr_dump_domain(file, tx_domain);
1595 #else
1596         ret = ENOTSUP;
1597 #endif
1598         return -ret;
1599 }
1600
1601 int
1602 mlx5_devx_cmd_flow_single_dump(void *rule_info __rte_unused,
1603                         FILE *file __rte_unused)
1604 {
1605         int ret = 0;
1606 #ifdef HAVE_MLX5_DR_FLOW_DUMP_RULE
1607         if (rule_info)
1608                 ret = mlx5_glue->dr_dump_rule(file, rule_info);
1609 #else
1610         ret = ENOTSUP;
1611 #endif
1612         return -ret;
1613 }
1614
1615 /*
1616  * Create CQ using DevX API.
1617  *
1618  * @param[in] ctx
1619  *   Context returned from mlx5 open_device() glue function.
1620  * @param [in] attr
1621  *   Pointer to CQ attributes structure.
1622  *
1623  * @return
1624  *   The DevX object created, NULL otherwise and rte_errno is set.
1625  */
1626 struct mlx5_devx_obj *
1627 mlx5_devx_cmd_create_cq(void *ctx, struct mlx5_devx_cq_attr *attr)
1628 {
1629         uint32_t in[MLX5_ST_SZ_DW(create_cq_in)] = {0};
1630         uint32_t out[MLX5_ST_SZ_DW(create_cq_out)] = {0};
1631         struct mlx5_devx_obj *cq_obj = mlx5_malloc(MLX5_MEM_ZERO,
1632                                                    sizeof(*cq_obj),
1633                                                    0, SOCKET_ID_ANY);
1634         void *cqctx = MLX5_ADDR_OF(create_cq_in, in, cq_context);
1635
1636         if (!cq_obj) {
1637                 DRV_LOG(ERR, "Failed to allocate CQ object memory.");
1638                 rte_errno = ENOMEM;
1639                 return NULL;
1640         }
1641         MLX5_SET(create_cq_in, in, opcode, MLX5_CMD_OP_CREATE_CQ);
1642         if (attr->db_umem_valid) {
1643                 MLX5_SET(cqc, cqctx, dbr_umem_valid, attr->db_umem_valid);
1644                 MLX5_SET(cqc, cqctx, dbr_umem_id, attr->db_umem_id);
1645                 MLX5_SET64(cqc, cqctx, dbr_addr, attr->db_umem_offset);
1646         } else {
1647                 MLX5_SET64(cqc, cqctx, dbr_addr, attr->db_addr);
1648         }
1649         MLX5_SET(cqc, cqctx, cqe_sz, (RTE_CACHE_LINE_SIZE == 128) ?
1650                                      MLX5_CQE_SIZE_128B : MLX5_CQE_SIZE_64B);
1651         MLX5_SET(cqc, cqctx, cc, attr->use_first_only);
1652         MLX5_SET(cqc, cqctx, oi, attr->overrun_ignore);
1653         MLX5_SET(cqc, cqctx, log_cq_size, attr->log_cq_size);
1654         if (attr->log_page_size > MLX5_ADAPTER_PAGE_SHIFT)
1655                 MLX5_SET(cqc, cqctx, log_page_size,
1656                          attr->log_page_size - MLX5_ADAPTER_PAGE_SHIFT);
1657         MLX5_SET(cqc, cqctx, c_eqn, attr->eqn);
1658         MLX5_SET(cqc, cqctx, uar_page, attr->uar_page_id);
1659         MLX5_SET(cqc, cqctx, cqe_comp_en, !!attr->cqe_comp_en);
1660         MLX5_SET(cqc, cqctx, mini_cqe_res_format, attr->mini_cqe_res_format);
1661         MLX5_SET(cqc, cqctx, mini_cqe_res_format_ext,
1662                  attr->mini_cqe_res_format_ext);
1663         if (attr->q_umem_valid) {
1664                 MLX5_SET(create_cq_in, in, cq_umem_valid, attr->q_umem_valid);
1665                 MLX5_SET(create_cq_in, in, cq_umem_id, attr->q_umem_id);
1666                 MLX5_SET64(create_cq_in, in, cq_umem_offset,
1667                            attr->q_umem_offset);
1668         }
1669         cq_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in), out,
1670                                                  sizeof(out));
1671         if (!cq_obj->obj) {
1672                 rte_errno = errno;
1673                 DRV_LOG(ERR, "Failed to create CQ using DevX errno=%d.", errno);
1674                 mlx5_free(cq_obj);
1675                 return NULL;
1676         }
1677         cq_obj->id = MLX5_GET(create_cq_out, out, cqn);
1678         return cq_obj;
1679 }
1680
1681 /**
1682  * Create VIRTQ using DevX API.
1683  *
1684  * @param[in] ctx
1685  *   Context returned from mlx5 open_device() glue function.
1686  * @param [in] attr
1687  *   Pointer to VIRTQ attributes structure.
1688  *
1689  * @return
1690  *   The DevX object created, NULL otherwise and rte_errno is set.
1691  */
1692 struct mlx5_devx_obj *
1693 mlx5_devx_cmd_create_virtq(void *ctx,
1694                            struct mlx5_devx_virtq_attr *attr)
1695 {
1696         uint32_t in[MLX5_ST_SZ_DW(create_virtq_in)] = {0};
1697         uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0};
1698         struct mlx5_devx_obj *virtq_obj = mlx5_malloc(MLX5_MEM_ZERO,
1699                                                      sizeof(*virtq_obj),
1700                                                      0, SOCKET_ID_ANY);
1701         void *virtq = MLX5_ADDR_OF(create_virtq_in, in, virtq);
1702         void *hdr = MLX5_ADDR_OF(create_virtq_in, in, hdr);
1703         void *virtctx = MLX5_ADDR_OF(virtio_net_q, virtq, virtio_q_context);
1704
1705         if (!virtq_obj) {
1706                 DRV_LOG(ERR, "Failed to allocate virtq data.");
1707                 rte_errno = ENOMEM;
1708                 return NULL;
1709         }
1710         MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
1711                  MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
1712         MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
1713                  MLX5_GENERAL_OBJ_TYPE_VIRTQ);
1714         MLX5_SET16(virtio_net_q, virtq, hw_available_index,
1715                    attr->hw_available_index);
1716         MLX5_SET16(virtio_net_q, virtq, hw_used_index, attr->hw_used_index);
1717         MLX5_SET16(virtio_net_q, virtq, tso_ipv4, attr->tso_ipv4);
1718         MLX5_SET16(virtio_net_q, virtq, tso_ipv6, attr->tso_ipv6);
1719         MLX5_SET16(virtio_net_q, virtq, tx_csum, attr->tx_csum);
1720         MLX5_SET16(virtio_net_q, virtq, rx_csum, attr->rx_csum);
1721         MLX5_SET16(virtio_q, virtctx, virtio_version_1_0,
1722                    attr->virtio_version_1_0);
1723         MLX5_SET16(virtio_q, virtctx, event_mode, attr->event_mode);
1724         MLX5_SET(virtio_q, virtctx, event_qpn_or_msix, attr->qp_id);
1725         MLX5_SET64(virtio_q, virtctx, desc_addr, attr->desc_addr);
1726         MLX5_SET64(virtio_q, virtctx, used_addr, attr->used_addr);
1727         MLX5_SET64(virtio_q, virtctx, available_addr, attr->available_addr);
1728         MLX5_SET16(virtio_q, virtctx, queue_index, attr->queue_index);
1729         MLX5_SET16(virtio_q, virtctx, queue_size, attr->q_size);
1730         MLX5_SET(virtio_q, virtctx, virtio_q_mkey, attr->mkey);
1731         MLX5_SET(virtio_q, virtctx, umem_1_id, attr->umems[0].id);
1732         MLX5_SET(virtio_q, virtctx, umem_1_size, attr->umems[0].size);
1733         MLX5_SET64(virtio_q, virtctx, umem_1_offset, attr->umems[0].offset);
1734         MLX5_SET(virtio_q, virtctx, umem_2_id, attr->umems[1].id);
1735         MLX5_SET(virtio_q, virtctx, umem_2_size, attr->umems[1].size);
1736         MLX5_SET64(virtio_q, virtctx, umem_2_offset, attr->umems[1].offset);
1737         MLX5_SET(virtio_q, virtctx, umem_3_id, attr->umems[2].id);
1738         MLX5_SET(virtio_q, virtctx, umem_3_size, attr->umems[2].size);
1739         MLX5_SET64(virtio_q, virtctx, umem_3_offset, attr->umems[2].offset);
1740         MLX5_SET(virtio_q, virtctx, counter_set_id, attr->counters_obj_id);
1741         MLX5_SET(virtio_q, virtctx, pd, attr->pd);
1742         MLX5_SET(virtio_q, virtctx, queue_period_mode, attr->hw_latency_mode);
1743         MLX5_SET(virtio_q, virtctx, queue_period_us, attr->hw_max_latency_us);
1744         MLX5_SET(virtio_q, virtctx, queue_max_count, attr->hw_max_pending_comp);
1745         MLX5_SET(virtio_net_q, virtq, tisn_or_qpn, attr->tis_id);
1746         virtq_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in), out,
1747                                                     sizeof(out));
1748         if (!virtq_obj->obj) {
1749                 rte_errno = errno;
1750                 DRV_LOG(ERR, "Failed to create VIRTQ Obj using DevX.");
1751                 mlx5_free(virtq_obj);
1752                 return NULL;
1753         }
1754         virtq_obj->id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
1755         return virtq_obj;
1756 }
1757
1758 /**
1759  * Modify VIRTQ using DevX API.
1760  *
1761  * @param[in] virtq_obj
1762  *   Pointer to virtq object structure.
1763  * @param [in] attr
1764  *   Pointer to modify virtq attributes structure.
1765  *
1766  * @return
1767  *   0 on success, a negative errno value otherwise and rte_errno is set.
1768  */
1769 int
1770 mlx5_devx_cmd_modify_virtq(struct mlx5_devx_obj *virtq_obj,
1771                            struct mlx5_devx_virtq_attr *attr)
1772 {
1773         uint32_t in[MLX5_ST_SZ_DW(create_virtq_in)] = {0};
1774         uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0};
1775         void *virtq = MLX5_ADDR_OF(create_virtq_in, in, virtq);
1776         void *hdr = MLX5_ADDR_OF(create_virtq_in, in, hdr);
1777         void *virtctx = MLX5_ADDR_OF(virtio_net_q, virtq, virtio_q_context);
1778         int ret;
1779
1780         MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
1781                  MLX5_CMD_OP_MODIFY_GENERAL_OBJECT);
1782         MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
1783                  MLX5_GENERAL_OBJ_TYPE_VIRTQ);
1784         MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_id, virtq_obj->id);
1785         MLX5_SET64(virtio_net_q, virtq, modify_field_select, attr->type);
1786         MLX5_SET16(virtio_q, virtctx, queue_index, attr->queue_index);
1787         switch (attr->type) {
1788         case MLX5_VIRTQ_MODIFY_TYPE_STATE:
1789                 MLX5_SET16(virtio_net_q, virtq, state, attr->state);
1790                 break;
1791         case MLX5_VIRTQ_MODIFY_TYPE_DIRTY_BITMAP_PARAMS:
1792                 MLX5_SET(virtio_net_q, virtq, dirty_bitmap_mkey,
1793                          attr->dirty_bitmap_mkey);
1794                 MLX5_SET64(virtio_net_q, virtq, dirty_bitmap_addr,
1795                          attr->dirty_bitmap_addr);
1796                 MLX5_SET(virtio_net_q, virtq, dirty_bitmap_size,
1797                          attr->dirty_bitmap_size);
1798                 break;
1799         case MLX5_VIRTQ_MODIFY_TYPE_DIRTY_BITMAP_DUMP_ENABLE:
1800                 MLX5_SET(virtio_net_q, virtq, dirty_bitmap_dump_enable,
1801                          attr->dirty_bitmap_dump_enable);
1802                 break;
1803         default:
1804                 rte_errno = EINVAL;
1805                 return -rte_errno;
1806         }
1807         ret = mlx5_glue->devx_obj_modify(virtq_obj->obj, in, sizeof(in),
1808                                          out, sizeof(out));
1809         if (ret) {
1810                 DRV_LOG(ERR, "Failed to modify VIRTQ using DevX.");
1811                 rte_errno = errno;
1812                 return -rte_errno;
1813         }
1814         return ret;
1815 }
1816
1817 /**
1818  * Query VIRTQ using DevX API.
1819  *
1820  * @param[in] virtq_obj
1821  *   Pointer to virtq object structure.
1822  * @param [in/out] attr
1823  *   Pointer to virtq attributes structure.
1824  *
1825  * @return
1826  *   0 on success, a negative errno value otherwise and rte_errno is set.
1827  */
1828 int
1829 mlx5_devx_cmd_query_virtq(struct mlx5_devx_obj *virtq_obj,
1830                            struct mlx5_devx_virtq_attr *attr)
1831 {
1832         uint32_t in[MLX5_ST_SZ_DW(general_obj_in_cmd_hdr)] = {0};
1833         uint32_t out[MLX5_ST_SZ_DW(query_virtq_out)] = {0};
1834         void *hdr = MLX5_ADDR_OF(query_virtq_out, in, hdr);
1835         void *virtq = MLX5_ADDR_OF(query_virtq_out, out, virtq);
1836         int ret;
1837
1838         MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
1839                  MLX5_CMD_OP_QUERY_GENERAL_OBJECT);
1840         MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
1841                  MLX5_GENERAL_OBJ_TYPE_VIRTQ);
1842         MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_id, virtq_obj->id);
1843         ret = mlx5_glue->devx_obj_query(virtq_obj->obj, in, sizeof(in),
1844                                          out, sizeof(out));
1845         if (ret) {
1846                 DRV_LOG(ERR, "Failed to modify VIRTQ using DevX.");
1847                 rte_errno = errno;
1848                 return -errno;
1849         }
1850         attr->hw_available_index = MLX5_GET16(virtio_net_q, virtq,
1851                                               hw_available_index);
1852         attr->hw_used_index = MLX5_GET16(virtio_net_q, virtq, hw_used_index);
1853         attr->state = MLX5_GET16(virtio_net_q, virtq, state);
1854         attr->error_type = MLX5_GET16(virtio_net_q, virtq,
1855                                       virtio_q_context.error_type);
1856         return ret;
1857 }
1858
1859 /**
1860  * Create QP using DevX API.
1861  *
1862  * @param[in] ctx
1863  *   Context returned from mlx5 open_device() glue function.
1864  * @param [in] attr
1865  *   Pointer to QP attributes structure.
1866  *
1867  * @return
1868  *   The DevX object created, NULL otherwise and rte_errno is set.
1869  */
1870 struct mlx5_devx_obj *
1871 mlx5_devx_cmd_create_qp(void *ctx,
1872                         struct mlx5_devx_qp_attr *attr)
1873 {
1874         uint32_t in[MLX5_ST_SZ_DW(create_qp_in)] = {0};
1875         uint32_t out[MLX5_ST_SZ_DW(create_qp_out)] = {0};
1876         struct mlx5_devx_obj *qp_obj = mlx5_malloc(MLX5_MEM_ZERO,
1877                                                    sizeof(*qp_obj),
1878                                                    0, SOCKET_ID_ANY);
1879         void *qpc = MLX5_ADDR_OF(create_qp_in, in, qpc);
1880
1881         if (!qp_obj) {
1882                 DRV_LOG(ERR, "Failed to allocate QP data.");
1883                 rte_errno = ENOMEM;
1884                 return NULL;
1885         }
1886         MLX5_SET(create_qp_in, in, opcode, MLX5_CMD_OP_CREATE_QP);
1887         MLX5_SET(qpc, qpc, st, MLX5_QP_ST_RC);
1888         MLX5_SET(qpc, qpc, pd, attr->pd);
1889         MLX5_SET(qpc, qpc, ts_format, attr->ts_format);
1890         if (attr->uar_index) {
1891                 MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED);
1892                 MLX5_SET(qpc, qpc, uar_page, attr->uar_index);
1893                 if (attr->log_page_size > MLX5_ADAPTER_PAGE_SHIFT)
1894                         MLX5_SET(qpc, qpc, log_page_size,
1895                                  attr->log_page_size - MLX5_ADAPTER_PAGE_SHIFT);
1896                 if (attr->sq_size) {
1897                         MLX5_ASSERT(RTE_IS_POWER_OF_2(attr->sq_size));
1898                         MLX5_SET(qpc, qpc, cqn_snd, attr->cqn);
1899                         MLX5_SET(qpc, qpc, log_sq_size,
1900                                  rte_log2_u32(attr->sq_size));
1901                 } else {
1902                         MLX5_SET(qpc, qpc, no_sq, 1);
1903                 }
1904                 if (attr->rq_size) {
1905                         MLX5_ASSERT(RTE_IS_POWER_OF_2(attr->rq_size));
1906                         MLX5_SET(qpc, qpc, cqn_rcv, attr->cqn);
1907                         MLX5_SET(qpc, qpc, log_rq_stride, attr->log_rq_stride -
1908                                  MLX5_LOG_RQ_STRIDE_SHIFT);
1909                         MLX5_SET(qpc, qpc, log_rq_size,
1910                                  rte_log2_u32(attr->rq_size));
1911                         MLX5_SET(qpc, qpc, rq_type, MLX5_NON_ZERO_RQ);
1912                 } else {
1913                         MLX5_SET(qpc, qpc, rq_type, MLX5_ZERO_LEN_RQ);
1914                 }
1915                 if (attr->dbr_umem_valid) {
1916                         MLX5_SET(qpc, qpc, dbr_umem_valid,
1917                                  attr->dbr_umem_valid);
1918                         MLX5_SET(qpc, qpc, dbr_umem_id, attr->dbr_umem_id);
1919                 }
1920                 MLX5_SET64(qpc, qpc, dbr_addr, attr->dbr_address);
1921                 MLX5_SET64(create_qp_in, in, wq_umem_offset,
1922                            attr->wq_umem_offset);
1923                 MLX5_SET(create_qp_in, in, wq_umem_id, attr->wq_umem_id);
1924                 MLX5_SET(create_qp_in, in, wq_umem_valid, 1);
1925         } else {
1926                 /* Special QP to be managed by FW - no SQ\RQ\CQ\UAR\DB rec. */
1927                 MLX5_SET(qpc, qpc, rq_type, MLX5_ZERO_LEN_RQ);
1928                 MLX5_SET(qpc, qpc, no_sq, 1);
1929         }
1930         qp_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in), out,
1931                                                  sizeof(out));
1932         if (!qp_obj->obj) {
1933                 rte_errno = errno;
1934                 DRV_LOG(ERR, "Failed to create QP Obj using DevX.");
1935                 mlx5_free(qp_obj);
1936                 return NULL;
1937         }
1938         qp_obj->id = MLX5_GET(create_qp_out, out, qpn);
1939         return qp_obj;
1940 }
1941
1942 /**
1943  * Modify QP using DevX API.
1944  * Currently supports only force loop-back QP.
1945  *
1946  * @param[in] qp
1947  *   Pointer to QP object structure.
1948  * @param [in] qp_st_mod_op
1949  *   The QP state modification operation.
1950  * @param [in] remote_qp_id
1951  *   The remote QP ID for MLX5_CMD_OP_INIT2RTR_QP operation.
1952  *
1953  * @return
1954  *   0 on success, a negative errno value otherwise and rte_errno is set.
1955  */
1956 int
1957 mlx5_devx_cmd_modify_qp_state(struct mlx5_devx_obj *qp, uint32_t qp_st_mod_op,
1958                               uint32_t remote_qp_id)
1959 {
1960         union {
1961                 uint32_t rst2init[MLX5_ST_SZ_DW(rst2init_qp_in)];
1962                 uint32_t init2rtr[MLX5_ST_SZ_DW(init2rtr_qp_in)];
1963                 uint32_t rtr2rts[MLX5_ST_SZ_DW(rtr2rts_qp_in)];
1964         } in;
1965         union {
1966                 uint32_t rst2init[MLX5_ST_SZ_DW(rst2init_qp_out)];
1967                 uint32_t init2rtr[MLX5_ST_SZ_DW(init2rtr_qp_out)];
1968                 uint32_t rtr2rts[MLX5_ST_SZ_DW(rtr2rts_qp_out)];
1969         } out;
1970         void *qpc;
1971         int ret;
1972         unsigned int inlen;
1973         unsigned int outlen;
1974
1975         memset(&in, 0, sizeof(in));
1976         memset(&out, 0, sizeof(out));
1977         MLX5_SET(rst2init_qp_in, &in, opcode, qp_st_mod_op);
1978         switch (qp_st_mod_op) {
1979         case MLX5_CMD_OP_RST2INIT_QP:
1980                 MLX5_SET(rst2init_qp_in, &in, qpn, qp->id);
1981                 qpc = MLX5_ADDR_OF(rst2init_qp_in, &in, qpc);
1982                 MLX5_SET(qpc, qpc, primary_address_path.vhca_port_num, 1);
1983                 MLX5_SET(qpc, qpc, rre, 1);
1984                 MLX5_SET(qpc, qpc, rwe, 1);
1985                 MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED);
1986                 inlen = sizeof(in.rst2init);
1987                 outlen = sizeof(out.rst2init);
1988                 break;
1989         case MLX5_CMD_OP_INIT2RTR_QP:
1990                 MLX5_SET(init2rtr_qp_in, &in, qpn, qp->id);
1991                 qpc = MLX5_ADDR_OF(init2rtr_qp_in, &in, qpc);
1992                 MLX5_SET(qpc, qpc, primary_address_path.fl, 1);
1993                 MLX5_SET(qpc, qpc, primary_address_path.vhca_port_num, 1);
1994                 MLX5_SET(qpc, qpc, mtu, 1);
1995                 MLX5_SET(qpc, qpc, log_msg_max, 30);
1996                 MLX5_SET(qpc, qpc, remote_qpn, remote_qp_id);
1997                 MLX5_SET(qpc, qpc, min_rnr_nak, 0);
1998                 inlen = sizeof(in.init2rtr);
1999                 outlen = sizeof(out.init2rtr);
2000                 break;
2001         case MLX5_CMD_OP_RTR2RTS_QP:
2002                 qpc = MLX5_ADDR_OF(rtr2rts_qp_in, &in, qpc);
2003                 MLX5_SET(rtr2rts_qp_in, &in, qpn, qp->id);
2004                 MLX5_SET(qpc, qpc, primary_address_path.ack_timeout, 14);
2005                 MLX5_SET(qpc, qpc, log_ack_req_freq, 0);
2006                 MLX5_SET(qpc, qpc, retry_count, 7);
2007                 MLX5_SET(qpc, qpc, rnr_retry, 7);
2008                 inlen = sizeof(in.rtr2rts);
2009                 outlen = sizeof(out.rtr2rts);
2010                 break;
2011         default:
2012                 DRV_LOG(ERR, "Invalid or unsupported QP modify op %u.",
2013                         qp_st_mod_op);
2014                 rte_errno = EINVAL;
2015                 return -rte_errno;
2016         }
2017         ret = mlx5_glue->devx_obj_modify(qp->obj, &in, inlen, &out, outlen);
2018         if (ret) {
2019                 DRV_LOG(ERR, "Failed to modify QP using DevX.");
2020                 rte_errno = errno;
2021                 return -rte_errno;
2022         }
2023         return ret;
2024 }
2025
2026 struct mlx5_devx_obj *
2027 mlx5_devx_cmd_create_virtio_q_counters(void *ctx)
2028 {
2029         uint32_t in[MLX5_ST_SZ_DW(create_virtio_q_counters_in)] = {0};
2030         uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0};
2031         struct mlx5_devx_obj *couners_obj = mlx5_malloc(MLX5_MEM_ZERO,
2032                                                        sizeof(*couners_obj), 0,
2033                                                        SOCKET_ID_ANY);
2034         void *hdr = MLX5_ADDR_OF(create_virtio_q_counters_in, in, hdr);
2035
2036         if (!couners_obj) {
2037                 DRV_LOG(ERR, "Failed to allocate virtio queue counters data.");
2038                 rte_errno = ENOMEM;
2039                 return NULL;
2040         }
2041         MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
2042                  MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
2043         MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
2044                  MLX5_GENERAL_OBJ_TYPE_VIRTIO_Q_COUNTERS);
2045         couners_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in), out,
2046                                                       sizeof(out));
2047         if (!couners_obj->obj) {
2048                 rte_errno = errno;
2049                 DRV_LOG(ERR, "Failed to create virtio queue counters Obj using"
2050                         " DevX.");
2051                 mlx5_free(couners_obj);
2052                 return NULL;
2053         }
2054         couners_obj->id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
2055         return couners_obj;
2056 }
2057
2058 int
2059 mlx5_devx_cmd_query_virtio_q_counters(struct mlx5_devx_obj *couners_obj,
2060                                    struct mlx5_devx_virtio_q_couners_attr *attr)
2061 {
2062         uint32_t in[MLX5_ST_SZ_DW(general_obj_in_cmd_hdr)] = {0};
2063         uint32_t out[MLX5_ST_SZ_DW(query_virtio_q_counters_out)] = {0};
2064         void *hdr = MLX5_ADDR_OF(query_virtio_q_counters_out, in, hdr);
2065         void *virtio_q_counters = MLX5_ADDR_OF(query_virtio_q_counters_out, out,
2066                                                virtio_q_counters);
2067         int ret;
2068
2069         MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
2070                  MLX5_CMD_OP_QUERY_GENERAL_OBJECT);
2071         MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
2072                  MLX5_GENERAL_OBJ_TYPE_VIRTIO_Q_COUNTERS);
2073         MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_id, couners_obj->id);
2074         ret = mlx5_glue->devx_obj_query(couners_obj->obj, in, sizeof(in), out,
2075                                         sizeof(out));
2076         if (ret) {
2077                 DRV_LOG(ERR, "Failed to query virtio q counters using DevX.");
2078                 rte_errno = errno;
2079                 return -errno;
2080         }
2081         attr->received_desc = MLX5_GET64(virtio_q_counters, virtio_q_counters,
2082                                          received_desc);
2083         attr->completed_desc = MLX5_GET64(virtio_q_counters, virtio_q_counters,
2084                                           completed_desc);
2085         attr->error_cqes = MLX5_GET(virtio_q_counters, virtio_q_counters,
2086                                     error_cqes);
2087         attr->bad_desc_errors = MLX5_GET(virtio_q_counters, virtio_q_counters,
2088                                          bad_desc_errors);
2089         attr->exceed_max_chain = MLX5_GET(virtio_q_counters, virtio_q_counters,
2090                                           exceed_max_chain);
2091         attr->invalid_buffer = MLX5_GET(virtio_q_counters, virtio_q_counters,
2092                                         invalid_buffer);
2093         return ret;
2094 }
2095
2096 /**
2097  * Create general object of type FLOW_HIT_ASO using DevX API.
2098  *
2099  * @param[in] ctx
2100  *   Context returned from mlx5 open_device() glue function.
2101  * @param [in] pd
2102  *   PD value to associate the FLOW_HIT_ASO object with.
2103  *
2104  * @return
2105  *   The DevX object created, NULL otherwise and rte_errno is set.
2106  */
2107 struct mlx5_devx_obj *
2108 mlx5_devx_cmd_create_flow_hit_aso_obj(void *ctx, uint32_t pd)
2109 {
2110         uint32_t in[MLX5_ST_SZ_DW(create_flow_hit_aso_in)] = {0};
2111         uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0};
2112         struct mlx5_devx_obj *flow_hit_aso_obj = NULL;
2113         void *ptr = NULL;
2114
2115         flow_hit_aso_obj = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*flow_hit_aso_obj),
2116                                        0, SOCKET_ID_ANY);
2117         if (!flow_hit_aso_obj) {
2118                 DRV_LOG(ERR, "Failed to allocate FLOW_HIT_ASO object data");
2119                 rte_errno = ENOMEM;
2120                 return NULL;
2121         }
2122         ptr = MLX5_ADDR_OF(create_flow_hit_aso_in, in, hdr);
2123         MLX5_SET(general_obj_in_cmd_hdr, ptr, opcode,
2124                  MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
2125         MLX5_SET(general_obj_in_cmd_hdr, ptr, obj_type,
2126                  MLX5_GENERAL_OBJ_TYPE_FLOW_HIT_ASO);
2127         ptr = MLX5_ADDR_OF(create_flow_hit_aso_in, in, flow_hit_aso);
2128         MLX5_SET(flow_hit_aso, ptr, access_pd, pd);
2129         flow_hit_aso_obj->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
2130                                                            out, sizeof(out));
2131         if (!flow_hit_aso_obj->obj) {
2132                 rte_errno = errno;
2133                 DRV_LOG(ERR, "Failed to create FLOW_HIT_ASO obj using DevX.");
2134                 mlx5_free(flow_hit_aso_obj);
2135                 return NULL;
2136         }
2137         flow_hit_aso_obj->id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
2138         return flow_hit_aso_obj;
2139 }
2140
2141 /*
2142  * Create PD using DevX API.
2143  *
2144  * @param[in] ctx
2145  *   Context returned from mlx5 open_device() glue function.
2146  *
2147  * @return
2148  *   The DevX object created, NULL otherwise and rte_errno is set.
2149  */
2150 struct mlx5_devx_obj *
2151 mlx5_devx_cmd_alloc_pd(void *ctx)
2152 {
2153         struct mlx5_devx_obj *ppd =
2154                 mlx5_malloc(MLX5_MEM_ZERO, sizeof(*ppd), 0, SOCKET_ID_ANY);
2155         u32 in[MLX5_ST_SZ_DW(alloc_pd_in)] = {0};
2156         u32 out[MLX5_ST_SZ_DW(alloc_pd_out)] = {0};
2157
2158         if (!ppd) {
2159                 DRV_LOG(ERR, "Failed to allocate PD data.");
2160                 rte_errno = ENOMEM;
2161                 return NULL;
2162         }
2163         MLX5_SET(alloc_pd_in, in, opcode, MLX5_CMD_OP_ALLOC_PD);
2164         ppd->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in),
2165                                 out, sizeof(out));
2166         if (!ppd->obj) {
2167                 mlx5_free(ppd);
2168                 DRV_LOG(ERR, "Failed to allocate PD Obj using DevX.");
2169                 rte_errno = errno;
2170                 return NULL;
2171         }
2172         ppd->id = MLX5_GET(alloc_pd_out, out, pd);
2173         return ppd;
2174 }
2175
2176 /**
2177  * Create general object of type GENEVE TLV option using DevX API.
2178  *
2179  * @param[in] ctx
2180  *   Context returned from mlx5 open_device() glue function.
2181  * @param [in] class
2182  *   TLV option variable value of class
2183  * @param [in] type
2184  *   TLV option variable value of type
2185  * @param [in] len
2186  *   TLV option variable value of len
2187  *
2188  * @return
2189  *   The DevX object created, NULL otherwise and rte_errno is set.
2190  */
2191 struct mlx5_devx_obj *
2192 mlx5_devx_cmd_create_geneve_tlv_option(void *ctx,
2193                 uint16_t class, uint8_t type, uint8_t len)
2194 {
2195         uint32_t in[MLX5_ST_SZ_DW(create_geneve_tlv_option_in)] = {0};
2196         uint32_t out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0};
2197         struct mlx5_devx_obj *geneve_tlv_opt_obj = mlx5_malloc(MLX5_MEM_ZERO,
2198                                                    sizeof(*geneve_tlv_opt_obj),
2199                                                    0, SOCKET_ID_ANY);
2200
2201         if (!geneve_tlv_opt_obj) {
2202                 DRV_LOG(ERR, "Failed to allocate geneve tlv option object.");
2203                 rte_errno = ENOMEM;
2204                 return NULL;
2205         }
2206         void *hdr = MLX5_ADDR_OF(create_geneve_tlv_option_in, in, hdr);
2207         void *opt = MLX5_ADDR_OF(create_geneve_tlv_option_in, in,
2208                         geneve_tlv_opt);
2209         MLX5_SET(general_obj_in_cmd_hdr, hdr, opcode,
2210                         MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
2211         MLX5_SET(general_obj_in_cmd_hdr, hdr, obj_type,
2212                         MLX5_OBJ_TYPE_GENEVE_TLV_OPT);
2213         MLX5_SET(geneve_tlv_option, opt, option_class,
2214                         rte_be_to_cpu_16(class));
2215         MLX5_SET(geneve_tlv_option, opt, option_type, type);
2216         MLX5_SET(geneve_tlv_option, opt, option_data_length, len);
2217         geneve_tlv_opt_obj->obj = mlx5_glue->devx_obj_create(ctx, in,
2218                                         sizeof(in), out, sizeof(out));
2219         if (!geneve_tlv_opt_obj->obj) {
2220                 rte_errno = errno;
2221                 DRV_LOG(ERR, "Failed to create Geneve tlv option "
2222                                 "Obj using DevX.");
2223                 mlx5_free(geneve_tlv_opt_obj);
2224                 return NULL;
2225         }
2226         geneve_tlv_opt_obj->id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id);
2227         return geneve_tlv_opt_obj;
2228 }
2229
2230 int
2231 mlx5_devx_cmd_wq_query(void *wq, uint32_t *counter_set_id)
2232 {
2233 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
2234         uint32_t in[MLX5_ST_SZ_DW(query_rq_in)] = {0};
2235         uint32_t out[MLX5_ST_SZ_DW(query_rq_out)] = {0};
2236         int rc;
2237         void *rq_ctx;
2238
2239         MLX5_SET(query_rq_in, in, opcode, MLX5_CMD_OP_QUERY_RQ);
2240         MLX5_SET(query_rq_in, in, rqn, ((struct ibv_wq *)wq)->wq_num);
2241         rc = mlx5_glue->devx_wq_query(wq, in, sizeof(in), out, sizeof(out));
2242         if (rc) {
2243                 rte_errno = errno;
2244                 DRV_LOG(ERR, "Failed to query WQ counter set ID using DevX - "
2245                         "rc = %d, errno = %d.", rc, errno);
2246                 return -rc;
2247         };
2248         rq_ctx = MLX5_ADDR_OF(query_rq_out, out, rq_context);
2249         *counter_set_id = MLX5_GET(rqc, rq_ctx, counter_set_id);
2250         return 0;
2251 #else
2252         (void)wq;
2253         (void)counter_set_id;
2254         return -ENOTSUP;
2255 #endif
2256 }
2257
2258 /*
2259  * Allocate queue counters via devx interface.
2260  *
2261  * @param[in] ctx
2262  *   Context returned from mlx5 open_device() glue function.
2263  *
2264  * @return
2265  *   Pointer to counter object on success, a NULL value otherwise and
2266  *   rte_errno is set.
2267  */
2268 struct mlx5_devx_obj *
2269 mlx5_devx_cmd_queue_counter_alloc(void *ctx)
2270 {
2271         struct mlx5_devx_obj *dcs = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*dcs), 0,
2272                                                 SOCKET_ID_ANY);
2273         uint32_t in[MLX5_ST_SZ_DW(alloc_q_counter_in)]   = {0};
2274         uint32_t out[MLX5_ST_SZ_DW(alloc_q_counter_out)] = {0};
2275
2276         if (!dcs) {
2277                 rte_errno = ENOMEM;
2278                 return NULL;
2279         }
2280         MLX5_SET(alloc_q_counter_in, in, opcode, MLX5_CMD_OP_ALLOC_Q_COUNTER);
2281         dcs->obj = mlx5_glue->devx_obj_create(ctx, in, sizeof(in), out,
2282                                               sizeof(out));
2283         if (!dcs->obj) {
2284                 DRV_LOG(DEBUG, "Can't allocate q counter set by DevX - error "
2285                         "%d.", errno);
2286                 rte_errno = errno;
2287                 mlx5_free(dcs);
2288                 return NULL;
2289         }
2290         dcs->id = MLX5_GET(alloc_q_counter_out, out, counter_set_id);
2291         return dcs;
2292 }
2293
2294 /**
2295  * Query queue counters values.
2296  *
2297  * @param[in] dcs
2298  *   devx object of the queue counter set.
2299  * @param[in] clear
2300  *   Whether hardware should clear the counters after the query or not.
2301  *  @param[out] out_of_buffers
2302  *   Number of dropped occurred due to lack of WQE for the associated QPs/RQs.
2303  *
2304  * @return
2305  *   0 on success, a negative value otherwise.
2306  */
2307 int
2308 mlx5_devx_cmd_queue_counter_query(struct mlx5_devx_obj *dcs, int clear,
2309                                   uint32_t *out_of_buffers)
2310 {
2311         uint32_t out[MLX5_ST_SZ_BYTES(query_q_counter_out)] = {0};
2312         uint32_t in[MLX5_ST_SZ_DW(query_q_counter_in)] = {0};
2313         int rc;
2314
2315         MLX5_SET(query_q_counter_in, in, opcode,
2316                  MLX5_CMD_OP_QUERY_Q_COUNTER);
2317         MLX5_SET(query_q_counter_in, in, op_mod, 0);
2318         MLX5_SET(query_q_counter_in, in, counter_set_id, dcs->id);
2319         MLX5_SET(query_q_counter_in, in, clear, !!clear);
2320         rc = mlx5_glue->devx_obj_query(dcs->obj, in, sizeof(in), out,
2321                                        sizeof(out));
2322         if (rc) {
2323                 DRV_LOG(ERR, "Failed to query devx q counter set - rc %d", rc);
2324                 rte_errno = rc;
2325                 return -rc;
2326         }
2327         *out_of_buffers = MLX5_GET(query_q_counter_out, out, out_of_buffer);
2328         return 0;
2329 }