drivers/net/mlx5/mlx5_glue.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright 2018 6WIND S.A.
   3  * Copyright 2018 Mellanox Technologies, Ltd
   4  */
   5
   6 #include <errno.h>
   7 #include <stdalign.h>
   8 #include <stddef.h>
   9 #include <stdint.h>
  10 #include <stdlib.h>
  11
  12 /*
  13  * Not needed by this file; included to work around the lack of off_t
  14  * definition for mlx5dv.h with unpatched rdma-core versions.
  15  */
  16 #include <sys/types.h>
  17
  18 /* Verbs headers do not support -pedantic. */
  19 #ifdef PEDANTIC
  20 #pragma GCC diagnostic ignored "-Wpedantic"
  21 #endif
  22 #include <infiniband/mlx5dv.h>
  23 #include <infiniband/verbs.h>
  24 #ifdef PEDANTIC
  25 #pragma GCC diagnostic error "-Wpedantic"
  26 #endif
  27
  28 #include <rte_config.h>
  29
  30 #include "mlx5_autoconf.h"
  31 #include "mlx5_glue.h"
  32
  33 static int
  34 mlx5_glue_fork_init(void)
  35 {
  36         return ibv_fork_init();
  37 }
  38
  39 static struct ibv_pd *
  40 mlx5_glue_alloc_pd(struct ibv_context *context)
  41 {
  42         return ibv_alloc_pd(context);
  43 }
  44
  45 static int
  46 mlx5_glue_dealloc_pd(struct ibv_pd *pd)
  47 {
  48         return ibv_dealloc_pd(pd);
  49 }
  50
  51 static struct ibv_device **
  52 mlx5_glue_get_device_list(int *num_devices)
  53 {
  54         return ibv_get_device_list(num_devices);
  55 }
  56
  57 static void
  58 mlx5_glue_free_device_list(struct ibv_device **list)
  59 {
  60         ibv_free_device_list(list);
  61 }
  62
  63 static struct ibv_context *
  64 mlx5_glue_open_device(struct ibv_device *device)
  65 {
  66         return ibv_open_device(device);
  67 }
  68
  69 static int
  70 mlx5_glue_close_device(struct ibv_context *context)
  71 {
  72         return ibv_close_device(context);
  73 }
  74
  75 static int
  76 mlx5_glue_query_device(struct ibv_context *context,
  77                        struct ibv_device_attr *device_attr)
  78 {
  79         return ibv_query_device(context, device_attr);
  80 }
  81
  82 static int
  83 mlx5_glue_query_device_ex(struct ibv_context *context,
  84                           const struct ibv_query_device_ex_input *input,
  85                           struct ibv_device_attr_ex *attr)
  86 {
  87         return ibv_query_device_ex(context, input, attr);
  88 }
  89
  90 static int
  91 mlx5_glue_query_rt_values_ex(struct ibv_context *context,
  92                           struct ibv_values_ex *values)
  93 {
  94         return ibv_query_rt_values_ex(context, values);
  95 }
  96
  97 static int
  98 mlx5_glue_query_port(struct ibv_context *context, uint8_t port_num,
  99                      struct ibv_port_attr *port_attr)
 100 {
 101         return ibv_query_port(context, port_num, port_attr);
 102 }
 103
 104 static struct ibv_comp_channel *
 105 mlx5_glue_create_comp_channel(struct ibv_context *context)
 106 {
 107         return ibv_create_comp_channel(context);
 108 }
 109
 110 static int
 111 mlx5_glue_destroy_comp_channel(struct ibv_comp_channel *channel)
 112 {
 113         return ibv_destroy_comp_channel(channel);
 114 }
 115
 116 static struct ibv_cq *
 117 mlx5_glue_create_cq(struct ibv_context *context, int cqe, void *cq_context,
 118                     struct ibv_comp_channel *channel, int comp_vector)
 119 {
 120         return ibv_create_cq(context, cqe, cq_context, channel, comp_vector);
 121 }
 122
 123 static int
 124 mlx5_glue_destroy_cq(struct ibv_cq *cq)
 125 {
 126         return ibv_destroy_cq(cq);
 127 }
 128
 129 static int
 130 mlx5_glue_get_cq_event(struct ibv_comp_channel *channel, struct ibv_cq **cq,
 131                        void **cq_context)
 132 {
 133         return ibv_get_cq_event(channel, cq, cq_context);
 134 }
 135
 136 static void
 137 mlx5_glue_ack_cq_events(struct ibv_cq *cq, unsigned int nevents)
 138 {
 139         ibv_ack_cq_events(cq, nevents);
 140 }
 141
 142 static struct ibv_rwq_ind_table *
 143 mlx5_glue_create_rwq_ind_table(struct ibv_context *context,
 144                                struct ibv_rwq_ind_table_init_attr *init_attr)
 145 {
 146         return ibv_create_rwq_ind_table(context, init_attr);
 147 }
 148
 149 static int
 150 mlx5_glue_destroy_rwq_ind_table(struct ibv_rwq_ind_table *rwq_ind_table)
 151 {
 152         return ibv_destroy_rwq_ind_table(rwq_ind_table);
 153 }
 154
 155 static struct ibv_wq *
 156 mlx5_glue_create_wq(struct ibv_context *context,
 157                     struct ibv_wq_init_attr *wq_init_attr)
 158 {
 159         return ibv_create_wq(context, wq_init_attr);
 160 }
 161
 162 static int
 163 mlx5_glue_destroy_wq(struct ibv_wq *wq)
 164 {
 165         return ibv_destroy_wq(wq);
 166 }
 167 static int
 168 mlx5_glue_modify_wq(struct ibv_wq *wq, struct ibv_wq_attr *wq_attr)
 169 {
 170         return ibv_modify_wq(wq, wq_attr);
 171 }
 172
 173 static struct ibv_flow *
 174 mlx5_glue_create_flow(struct ibv_qp *qp, struct ibv_flow_attr *flow)
 175 {
 176         return ibv_create_flow(qp, flow);
 177 }
 178
 179 static int
 180 mlx5_glue_destroy_flow(struct ibv_flow *flow_id)
 181 {
 182         return ibv_destroy_flow(flow_id);
 183 }
 184
 185 static int
 186 mlx5_glue_destroy_flow_action(void *action)
 187 {
 188 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
 189 #ifdef HAVE_MLX5DV_DR
 190         return mlx5dv_dr_action_destroy(action);
 191 #else
 192         struct mlx5dv_flow_action_attr *attr = action;
 193         int res = 0;
 194         switch (attr->type) {
 195         case MLX5DV_FLOW_ACTION_TAG:
 196                 break;
 197         default:
 198                 res = ibv_destroy_flow_action(attr->action);
 199                 break;
 200         }
 201         free(action);
 202         return res;
 203 #endif
 204 #else
 205         (void)action;
 206         return ENOTSUP;
 207 #endif
 208 }
 209
 210 static struct ibv_qp *
 211 mlx5_glue_create_qp(struct ibv_pd *pd, struct ibv_qp_init_attr *qp_init_attr)
 212 {
 213         return ibv_create_qp(pd, qp_init_attr);
 214 }
 215
 216 static struct ibv_qp *
 217 mlx5_glue_create_qp_ex(struct ibv_context *context,
 218                        struct ibv_qp_init_attr_ex *qp_init_attr_ex)
 219 {
 220         return ibv_create_qp_ex(context, qp_init_attr_ex);
 221 }
 222
 223 static int
 224 mlx5_glue_destroy_qp(struct ibv_qp *qp)
 225 {
 226         return ibv_destroy_qp(qp);
 227 }
 228
 229 static int
 230 mlx5_glue_modify_qp(struct ibv_qp *qp, struct ibv_qp_attr *attr, int attr_mask)
 231 {
 232         return ibv_modify_qp(qp, attr, attr_mask);
 233 }
 234
 235 static struct ibv_mr *
 236 mlx5_glue_reg_mr(struct ibv_pd *pd, void *addr, size_t length, int access)
 237 {
 238         return ibv_reg_mr(pd, addr, length, access);
 239 }
 240
 241 static int
 242 mlx5_glue_dereg_mr(struct ibv_mr *mr)
 243 {
 244         return ibv_dereg_mr(mr);
 245 }
 246
 247 static struct ibv_counter_set *
 248 mlx5_glue_create_counter_set(struct ibv_context *context,
 249                              struct ibv_counter_set_init_attr *init_attr)
 250 {
 251 #ifndef HAVE_IBV_DEVICE_COUNTERS_SET_V42
 252         (void)context;
 253         (void)init_attr;
 254         return NULL;
 255 #else
 256         return ibv_create_counter_set(context, init_attr);
 257 #endif
 258 }
 259
 260 static int
 261 mlx5_glue_destroy_counter_set(struct ibv_counter_set *cs)
 262 {
 263 #ifndef HAVE_IBV_DEVICE_COUNTERS_SET_V42
 264         (void)cs;
 265         return ENOTSUP;
 266 #else
 267         return ibv_destroy_counter_set(cs);
 268 #endif
 269 }
 270
 271 static int
 272 mlx5_glue_describe_counter_set(struct ibv_context *context,
 273                                uint16_t counter_set_id,
 274                                struct ibv_counter_set_description *cs_desc)
 275 {
 276 #ifndef HAVE_IBV_DEVICE_COUNTERS_SET_V42
 277         (void)context;
 278         (void)counter_set_id;
 279         (void)cs_desc;
 280         return ENOTSUP;
 281 #else
 282         return ibv_describe_counter_set(context, counter_set_id, cs_desc);
 283 #endif
 284 }
 285
 286 static int
 287 mlx5_glue_query_counter_set(struct ibv_query_counter_set_attr *query_attr,
 288                             struct ibv_counter_set_data *cs_data)
 289 {
 290 #ifndef HAVE_IBV_DEVICE_COUNTERS_SET_V42
 291         (void)query_attr;
 292         (void)cs_data;
 293         return ENOTSUP;
 294 #else
 295         return ibv_query_counter_set(query_attr, cs_data);
 296 #endif
 297 }
 298
 299 static struct ibv_counters *
 300 mlx5_glue_create_counters(struct ibv_context *context,
 301                           struct ibv_counters_init_attr *init_attr)
 302 {
 303 #ifndef HAVE_IBV_DEVICE_COUNTERS_SET_V45
 304         (void)context;
 305         (void)init_attr;
 306         errno = ENOTSUP;
 307         return NULL;
 308 #else
 309         return ibv_create_counters(context, init_attr);
 310 #endif
 311 }
 312
 313 static int
 314 mlx5_glue_destroy_counters(struct ibv_counters *counters)
 315 {
 316 #ifndef HAVE_IBV_DEVICE_COUNTERS_SET_V45
 317         (void)counters;
 318         return ENOTSUP;
 319 #else
 320         return ibv_destroy_counters(counters);
 321 #endif
 322 }
 323
 324 static int
 325 mlx5_glue_attach_counters(struct ibv_counters *counters,
 326                           struct ibv_counter_attach_attr *attr,
 327                           struct ibv_flow *flow)
 328 {
 329 #ifndef HAVE_IBV_DEVICE_COUNTERS_SET_V45
 330         (void)counters;
 331         (void)attr;
 332         (void)flow;
 333         return ENOTSUP;
 334 #else
 335         return ibv_attach_counters_point_flow(counters, attr, flow);
 336 #endif
 337 }
 338
 339 static int
 340 mlx5_glue_query_counters(struct ibv_counters *counters,
 341                          uint64_t *counters_value,
 342                          uint32_t ncounters,
 343                          uint32_t flags)
 344 {
 345 #ifndef HAVE_IBV_DEVICE_COUNTERS_SET_V45
 346         (void)counters;
 347         (void)counters_value;
 348         (void)ncounters;
 349         (void)flags;
 350         return ENOTSUP;
 351 #else
 352         return ibv_read_counters(counters, counters_value, ncounters, flags);
 353 #endif
 354 }
 355
 356 static void
 357 mlx5_glue_ack_async_event(struct ibv_async_event *event)
 358 {
 359         ibv_ack_async_event(event);
 360 }
 361
 362 static int
 363 mlx5_glue_get_async_event(struct ibv_context *context,
 364                           struct ibv_async_event *event)
 365 {
 366         return ibv_get_async_event(context, event);
 367 }
 368
 369 static const char *
 370 mlx5_glue_port_state_str(enum ibv_port_state port_state)
 371 {
 372         return ibv_port_state_str(port_state);
 373 }
 374
 375 static struct ibv_cq *
 376 mlx5_glue_cq_ex_to_cq(struct ibv_cq_ex *cq)
 377 {
 378         return ibv_cq_ex_to_cq(cq);
 379 }
 380
 381 static void *
 382 mlx5_glue_dr_create_flow_action_dest_flow_tbl(void *tbl)
 383 {
 384 #ifdef HAVE_MLX5DV_DR
 385         return mlx5dv_dr_action_create_dest_table(tbl);
 386 #else
 387         (void)tbl;
 388         errno = ENOTSUP;
 389         return NULL;
 390 #endif
 391 }
 392
 393 static void *
 394 mlx5_glue_dr_create_flow_action_dest_vport(void *domain, uint32_t vport)
 395 {
 396 #ifdef HAVE_MLX5DV_DR_ESWITCH
 397         return mlx5dv_dr_action_create_dest_vport(domain, vport);
 398 #else
 399         (void)domain;
 400         (void)vport;
 401         errno = ENOTSUP;
 402         return NULL;
 403 #endif
 404 }
 405
 406 static void *
 407 mlx5_glue_dr_create_flow_action_drop(void)
 408 {
 409 #ifdef HAVE_MLX5DV_DR_ESWITCH
 410         return mlx5dv_dr_action_create_drop();
 411 #else
 412         errno = ENOTSUP;
 413         return NULL;
 414 #endif
 415 }
 416
 417 static void *
 418 mlx5_glue_dr_create_flow_tbl(void *domain, uint32_t level)
 419 {
 420 #ifdef HAVE_MLX5DV_DR
 421         return mlx5dv_dr_table_create(domain, level);
 422 #else
 423         (void)domain;
 424         (void)level;
 425         errno = ENOTSUP;
 426         return NULL;
 427 #endif
 428 }
 429
 430 static int
 431 mlx5_glue_dr_destroy_flow_tbl(void *tbl)
 432 {
 433 #ifdef HAVE_MLX5DV_DR
 434         return mlx5dv_dr_table_destroy(tbl);
 435 #else
 436         (void)tbl;
 437         errno = ENOTSUP;
 438         return errno;
 439 #endif
 440 }
 441
 442 static void *
 443 mlx5_glue_dr_create_domain(struct ibv_context *ctx,
 444                            enum  mlx5dv_dr_domain_type domain)
 445 {
 446 #ifdef HAVE_MLX5DV_DR
 447         return mlx5dv_dr_domain_create(ctx, domain);
 448 #else
 449         (void)ctx;
 450         (void)domain;
 451         errno = ENOTSUP;
 452         return NULL;
 453 #endif
 454 }
 455
 456 static int
 457 mlx5_glue_dr_destroy_domain(void *domain)
 458 {
 459 #ifdef HAVE_MLX5DV_DR
 460         return mlx5dv_dr_domain_destroy(domain);
 461 #else
 462         (void)domain;
 463         errno = ENOTSUP;
 464         return errno;
 465 #endif
 466 }
 467
 468 static struct ibv_cq_ex *
 469 mlx5_glue_dv_create_cq(struct ibv_context *context,
 470                        struct ibv_cq_init_attr_ex *cq_attr,
 471                        struct mlx5dv_cq_init_attr *mlx5_cq_attr)
 472 {
 473         return mlx5dv_create_cq(context, cq_attr, mlx5_cq_attr);
 474 }
 475
 476 static struct ibv_wq *
 477 mlx5_glue_dv_create_wq(struct ibv_context *context,
 478                        struct ibv_wq_init_attr *wq_attr,
 479                        struct mlx5dv_wq_init_attr *mlx5_wq_attr)
 480 {
 481 #ifndef HAVE_IBV_DEVICE_STRIDING_RQ_SUPPORT
 482         (void)context;
 483         (void)wq_attr;
 484         (void)mlx5_wq_attr;
 485         errno = ENOTSUP;
 486         return NULL;
 487 #else
 488         return mlx5dv_create_wq(context, wq_attr, mlx5_wq_attr);
 489 #endif
 490 }
 491
 492 static int
 493 mlx5_glue_dv_query_device(struct ibv_context *ctx,
 494                           struct mlx5dv_context *attrs_out)
 495 {
 496         return mlx5dv_query_device(ctx, attrs_out);
 497 }
 498
 499 static int
 500 mlx5_glue_dv_set_context_attr(struct ibv_context *ibv_ctx,
 501                               enum mlx5dv_set_ctx_attr_type type, void *attr)
 502 {
 503         return mlx5dv_set_context_attr(ibv_ctx, type, attr);
 504 }
 505
 506 static int
 507 mlx5_glue_dv_init_obj(struct mlx5dv_obj *obj, uint64_t obj_type)
 508 {
 509         return mlx5dv_init_obj(obj, obj_type);
 510 }
 511
 512 static struct ibv_qp *
 513 mlx5_glue_dv_create_qp(struct ibv_context *context,
 514                        struct ibv_qp_init_attr_ex *qp_init_attr_ex,
 515                        struct mlx5dv_qp_init_attr *dv_qp_init_attr)
 516 {
 517 #ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
 518         return mlx5dv_create_qp(context, qp_init_attr_ex, dv_qp_init_attr);
 519 #else
 520         (void)context;
 521         (void)qp_init_attr_ex;
 522         (void)dv_qp_init_attr;
 523         errno = ENOTSUP;
 524         return NULL;
 525 #endif
 526 }
 527
 528 static void *
 529 mlx5_glue_dv_create_flow_matcher(struct ibv_context *context,
 530                                  struct mlx5dv_flow_matcher_attr *matcher_attr,
 531                                  void *tbl)
 532 {
 533 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
 534 #ifdef HAVE_MLX5DV_DR
 535         (void)context;
 536         return mlx5dv_dr_matcher_create(tbl, matcher_attr->priority,
 537                                         matcher_attr->match_criteria_enable,
 538                                         matcher_attr->match_mask);
 539 #else
 540         (void)tbl;
 541         return mlx5dv_create_flow_matcher(context, matcher_attr);
 542 #endif
 543 #else
 544         (void)context;
 545         (void)matcher_attr;
 546         (void)tbl;
 547         errno = ENOTSUP;
 548         return NULL;
 549 #endif
 550 }
 551
 552 static void *
 553 mlx5_glue_dv_create_flow(void *matcher,
 554                          void *match_value,
 555                          size_t num_actions,
 556                          void *actions[])
 557 {
 558 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
 559 #ifdef HAVE_MLX5DV_DR
 560         return mlx5dv_dr_rule_create(matcher, match_value, num_actions,
 561                                      (struct mlx5dv_dr_action **)actions);
 562 #else
 563         struct mlx5dv_flow_action_attr actions_attr[8];
 564
 565         if (num_actions > 8)
 566                 return NULL;
 567         for (size_t i = 0; i < num_actions; i++)
 568                 actions_attr[i] =
 569                         *((struct mlx5dv_flow_action_attr *)(actions[i]));
 570         return mlx5dv_create_flow(matcher, match_value,
 571                                   num_actions, actions_attr);
 572 #endif
 573 #else
 574         (void)matcher;
 575         (void)match_value;
 576         (void)num_actions;
 577         (void)actions;
 578         return NULL;
 579 #endif
 580 }
 581
 582 static void *
 583 mlx5_glue_dv_create_flow_action_counter(void *counter_obj, uint32_t offset)
 584 {
 585 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
 586 #ifdef HAVE_MLX5DV_DR
 587         return mlx5dv_dr_action_create_flow_counter(counter_obj, offset);
 588 #else
 589         struct mlx5dv_flow_action_attr *action;
 590
 591         (void)offset;
 592         action = malloc(sizeof(*action));
 593         if (!action)
 594                 return NULL;
 595         action->type = MLX5DV_FLOW_ACTION_COUNTERS_DEVX;
 596         action->obj = counter_obj;
 597         return action;
 598 #endif
 599 #else
 600         (void)counter_obj;
 601         (void)offset;
 602         errno = ENOTSUP;
 603         return NULL;
 604 #endif
 605 }
 606
 607 static void *
 608 mlx5_glue_dv_create_flow_action_dest_ibv_qp(void *qp)
 609 {
 610 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
 611 #ifdef HAVE_MLX5DV_DR
 612         return mlx5dv_dr_action_create_dest_ibv_qp(qp);
 613 #else
 614         struct mlx5dv_flow_action_attr *action;
 615
 616         action = malloc(sizeof(*action));
 617         if (!action)
 618                 return NULL;
 619         action->type = MLX5DV_FLOW_ACTION_DEST_IBV_QP;
 620         action->obj = qp;
 621         return action;
 622 #endif
 623 #else
 624         (void)qp;
 625         errno = ENOTSUP;
 626         return NULL;
 627 #endif
 628 }
 629
 630 static void *
 631 mlx5_glue_dv_create_flow_action_modify_header
 632                                         (struct ibv_context *ctx,
 633                                          enum mlx5dv_flow_table_type ft_type,
 634                                          void *domain, uint64_t flags,
 635                                          size_t actions_sz,
 636                                          uint64_t actions[])
 637 {
 638 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
 639 #ifdef HAVE_MLX5DV_DR
 640         (void)ctx;
 641         (void)ft_type;
 642         return mlx5dv_dr_action_create_modify_header(domain, flags, actions_sz,
 643                                                      (__be64 *)actions);
 644 #else
 645         struct mlx5dv_flow_action_attr *action;
 646
 647         (void)domain;
 648         (void)flags;
 649         action = malloc(sizeof(*action));
 650         if (!action)
 651                 return NULL;
 652         action->type = MLX5DV_FLOW_ACTION_IBV_FLOW_ACTION;
 653         action->action = mlx5dv_create_flow_action_modify_header
 654                 (ctx, actions_sz, actions, ft_type);
 655         return action;
 656 #endif
 657 #else
 658         (void)ctx;
 659         (void)ft_type;
 660         (void)domain;
 661         (void)flags;
 662         (void)actions_sz;
 663         (void)actions;
 664         errno = ENOTSUP;
 665         return NULL;
 666 #endif
 667 }
 668
 669 static void *
 670 mlx5_glue_dv_create_flow_action_packet_reformat
 671                 (struct ibv_context *ctx,
 672                  enum mlx5dv_flow_action_packet_reformat_type reformat_type,
 673                  enum mlx5dv_flow_table_type ft_type,
 674                  struct mlx5dv_dr_domain *domain,
 675                  uint32_t flags, size_t data_sz, void *data)
 676 {
 677 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
 678 #ifdef HAVE_MLX5DV_DR
 679         (void)ctx;
 680         (void)ft_type;
 681         return mlx5dv_dr_action_create_packet_reformat(domain, flags,
 682                                                        reformat_type, data_sz,
 683                                                        data);
 684 #else
 685         (void)domain;
 686         (void)flags;
 687         struct mlx5dv_flow_action_attr *action;
 688
 689         action = malloc(sizeof(*action));
 690         if (!action)
 691                 return NULL;
 692         action->type = MLX5DV_FLOW_ACTION_IBV_FLOW_ACTION;
 693         action->action = mlx5dv_create_flow_action_packet_reformat
 694                 (ctx, data_sz, data, reformat_type, ft_type);
 695         return action;
 696 #endif
 697 #else
 698         (void)ctx;
 699         (void)reformat_type;
 700         (void)ft_type;
 701         (void)domain;
 702         (void)flags;
 703         (void)data_sz;
 704         (void)data;
 705         errno = ENOTSUP;
 706         return NULL;
 707 #endif
 708 }
 709
 710 static void *
 711 mlx5_glue_dv_create_flow_action_tag(uint32_t tag)
 712 {
 713 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
 714 #ifdef HAVE_MLX5DV_DR
 715         return mlx5dv_dr_action_create_tag(tag);
 716 #else
 717         struct mlx5dv_flow_action_attr *action;
 718         action = malloc(sizeof(*action));
 719         if (!action)
 720                 return NULL;
 721         action->type = MLX5DV_FLOW_ACTION_TAG;
 722         action->tag_value = tag;
 723         return action;
 724 #endif
 725 #endif
 726         (void)tag;
 727         errno = ENOTSUP;
 728         return NULL;
 729 }
 730
 731 static int
 732 mlx5_glue_dv_destroy_flow(void *flow_id)
 733 {
 734 #ifdef HAVE_MLX5DV_DR
 735         return mlx5dv_dr_rule_destroy(flow_id);
 736 #else
 737         return ibv_destroy_flow(flow_id);
 738 #endif
 739 }
 740
 741 static int
 742 mlx5_glue_dv_destroy_flow_matcher(void *matcher)
 743 {
 744 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
 745 #ifdef HAVE_MLX5DV_DR
 746         return mlx5dv_dr_matcher_destroy(matcher);
 747 #else
 748         return mlx5dv_destroy_flow_matcher(matcher);
 749 #endif
 750 #else
 751         (void)matcher;
 752         errno = ENOTSUP;
 753         return errno;
 754 #endif
 755 }
 756
 757 static struct ibv_context *
 758 mlx5_glue_dv_open_device(struct ibv_device *device)
 759 {
 760 #ifdef HAVE_IBV_DEVX_OBJ
 761         return mlx5dv_open_device(device,
 762                                   &(struct mlx5dv_context_attr){
 763                                         .flags = MLX5DV_CONTEXT_FLAGS_DEVX,
 764                                   });
 765 #else
 766         (void)device;
 767         errno = ENOTSUP;
 768         return NULL;
 769 #endif
 770 }
 771
 772 static struct mlx5dv_devx_obj *
 773 mlx5_glue_devx_obj_create(struct ibv_context *ctx,
 774                           const void *in, size_t inlen,
 775                           void *out, size_t outlen)
 776 {
 777 #ifdef HAVE_IBV_DEVX_OBJ
 778         return mlx5dv_devx_obj_create(ctx, in, inlen, out, outlen);
 779 #else
 780         (void)ctx;
 781         (void)in;
 782         (void)inlen;
 783         (void)out;
 784         (void)outlen;
 785         errno = ENOTSUP;
 786         return NULL;
 787 #endif
 788 }
 789
 790 static int
 791 mlx5_glue_devx_obj_destroy(struct mlx5dv_devx_obj *obj)
 792 {
 793 #ifdef HAVE_IBV_DEVX_OBJ
 794         return mlx5dv_devx_obj_destroy(obj);
 795 #else
 796         (void)obj;
 797         return -ENOTSUP;
 798 #endif
 799 }
 800
 801 static int
 802 mlx5_glue_devx_obj_query(struct mlx5dv_devx_obj *obj,
 803                          const void *in, size_t inlen,
 804                          void *out, size_t outlen)
 805 {
 806 #ifdef HAVE_IBV_DEVX_OBJ
 807         return mlx5dv_devx_obj_query(obj, in, inlen, out, outlen);
 808 #else
 809         (void)obj;
 810         (void)in;
 811         (void)inlen;
 812         (void)out;
 813         (void)outlen;
 814         return -ENOTSUP;
 815 #endif
 816 }
 817
 818 static int
 819 mlx5_glue_devx_obj_modify(struct mlx5dv_devx_obj *obj,
 820                           const void *in, size_t inlen,
 821                           void *out, size_t outlen)
 822 {
 823 #ifdef HAVE_IBV_DEVX_OBJ
 824         return mlx5dv_devx_obj_modify(obj, in, inlen, out, outlen);
 825 #else
 826         (void)obj;
 827         (void)in;
 828         (void)inlen;
 829         (void)out;
 830         (void)outlen;
 831         return -ENOTSUP;
 832 #endif
 833 }
 834
 835 static int
 836 mlx5_glue_devx_general_cmd(struct ibv_context *ctx,
 837                            const void *in, size_t inlen,
 838                            void *out, size_t outlen)
 839 {
 840 #ifdef HAVE_IBV_DEVX_OBJ
 841         return mlx5dv_devx_general_cmd(ctx, in, inlen, out, outlen);
 842 #else
 843         (void)ctx;
 844         (void)in;
 845         (void)inlen;
 846         (void)out;
 847         (void)outlen;
 848         return -ENOTSUP;
 849 #endif
 850 }
 851
 852 static struct mlx5dv_devx_umem *
 853 mlx5_glue_devx_umem_reg(struct ibv_context *context, void *addr, size_t size,
 854                         uint32_t access)
 855 {
 856 #ifdef HAVE_IBV_DEVX_OBJ
 857         return mlx5dv_devx_umem_reg(context, addr, size, access);
 858 #else
 859         (void)context;
 860         (void)addr;
 861         (void)size;
 862         (void)access;
 863         errno = -ENOTSUP;
 864         return NULL;
 865 #endif
 866 }
 867
 868 static int
 869 mlx5_glue_devx_umem_dereg(struct mlx5dv_devx_umem *dv_devx_umem)
 870 {
 871 #ifdef HAVE_IBV_DEVX_OBJ
 872         return mlx5dv_devx_umem_dereg(dv_devx_umem);
 873 #else
 874         (void)dv_devx_umem;
 875         return -ENOTSUP;
 876 #endif
 877 }
 878
 879 alignas(RTE_CACHE_LINE_SIZE)
 880 const struct mlx5_glue *mlx5_glue = &(const struct mlx5_glue){
 881         .version = MLX5_GLUE_VERSION,
 882         .fork_init = mlx5_glue_fork_init,
 883         .alloc_pd = mlx5_glue_alloc_pd,
 884         .dealloc_pd = mlx5_glue_dealloc_pd,
 885         .get_device_list = mlx5_glue_get_device_list,
 886         .free_device_list = mlx5_glue_free_device_list,
 887         .open_device = mlx5_glue_open_device,
 888         .close_device = mlx5_glue_close_device,
 889         .query_device = mlx5_glue_query_device,
 890         .query_device_ex = mlx5_glue_query_device_ex,
 891         .query_rt_values_ex = mlx5_glue_query_rt_values_ex,
 892         .query_port = mlx5_glue_query_port,
 893         .create_comp_channel = mlx5_glue_create_comp_channel,
 894         .destroy_comp_channel = mlx5_glue_destroy_comp_channel,
 895         .create_cq = mlx5_glue_create_cq,
 896         .destroy_cq = mlx5_glue_destroy_cq,
 897         .get_cq_event = mlx5_glue_get_cq_event,
 898         .ack_cq_events = mlx5_glue_ack_cq_events,
 899         .create_rwq_ind_table = mlx5_glue_create_rwq_ind_table,
 900         .destroy_rwq_ind_table = mlx5_glue_destroy_rwq_ind_table,
 901         .create_wq = mlx5_glue_create_wq,
 902         .destroy_wq = mlx5_glue_destroy_wq,
 903         .modify_wq = mlx5_glue_modify_wq,
 904         .create_flow = mlx5_glue_create_flow,
 905         .destroy_flow = mlx5_glue_destroy_flow,
 906         .destroy_flow_action = mlx5_glue_destroy_flow_action,
 907         .create_qp = mlx5_glue_create_qp,
 908         .create_qp_ex = mlx5_glue_create_qp_ex,
 909         .destroy_qp = mlx5_glue_destroy_qp,
 910         .modify_qp = mlx5_glue_modify_qp,
 911         .reg_mr = mlx5_glue_reg_mr,
 912         .dereg_mr = mlx5_glue_dereg_mr,
 913         .create_counter_set = mlx5_glue_create_counter_set,
 914         .destroy_counter_set = mlx5_glue_destroy_counter_set,
 915         .describe_counter_set = mlx5_glue_describe_counter_set,
 916         .query_counter_set = mlx5_glue_query_counter_set,
 917         .create_counters = mlx5_glue_create_counters,
 918         .destroy_counters = mlx5_glue_destroy_counters,
 919         .attach_counters = mlx5_glue_attach_counters,
 920         .query_counters = mlx5_glue_query_counters,
 921         .ack_async_event = mlx5_glue_ack_async_event,
 922         .get_async_event = mlx5_glue_get_async_event,
 923         .port_state_str = mlx5_glue_port_state_str,
 924         .cq_ex_to_cq = mlx5_glue_cq_ex_to_cq,
 925         .dr_create_flow_action_dest_flow_tbl =
 926                 mlx5_glue_dr_create_flow_action_dest_flow_tbl,
 927         .dr_create_flow_action_dest_vport =
 928                 mlx5_glue_dr_create_flow_action_dest_vport,
 929         .dr_create_flow_action_drop =
 930                 mlx5_glue_dr_create_flow_action_drop,
 931         .dr_create_flow_tbl = mlx5_glue_dr_create_flow_tbl,
 932         .dr_destroy_flow_tbl = mlx5_glue_dr_destroy_flow_tbl,
 933         .dr_create_domain = mlx5_glue_dr_create_domain,
 934         .dr_destroy_domain = mlx5_glue_dr_destroy_domain,
 935         .dv_create_cq = mlx5_glue_dv_create_cq,
 936         .dv_create_wq = mlx5_glue_dv_create_wq,
 937         .dv_query_device = mlx5_glue_dv_query_device,
 938         .dv_set_context_attr = mlx5_glue_dv_set_context_attr,
 939         .dv_init_obj = mlx5_glue_dv_init_obj,
 940         .dv_create_qp = mlx5_glue_dv_create_qp,
 941         .dv_create_flow_matcher = mlx5_glue_dv_create_flow_matcher,
 942         .dv_create_flow = mlx5_glue_dv_create_flow,
 943         .dv_create_flow_action_counter =
 944                 mlx5_glue_dv_create_flow_action_counter,
 945         .dv_create_flow_action_dest_ibv_qp =
 946                 mlx5_glue_dv_create_flow_action_dest_ibv_qp,
 947         .dv_create_flow_action_modify_header =
 948                 mlx5_glue_dv_create_flow_action_modify_header,
 949         .dv_create_flow_action_packet_reformat =
 950                 mlx5_glue_dv_create_flow_action_packet_reformat,
 951         .dv_create_flow_action_tag =  mlx5_glue_dv_create_flow_action_tag,
 952         .dv_destroy_flow = mlx5_glue_dv_destroy_flow,
 953         .dv_destroy_flow_matcher = mlx5_glue_dv_destroy_flow_matcher,
 954         .dv_open_device = mlx5_glue_dv_open_device,
 955         .devx_obj_create = mlx5_glue_devx_obj_create,
 956         .devx_obj_destroy = mlx5_glue_devx_obj_destroy,
 957         .devx_obj_query = mlx5_glue_devx_obj_query,
 958         .devx_obj_modify = mlx5_glue_devx_obj_modify,
 959         .devx_general_cmd = mlx5_glue_devx_general_cmd,
 960         .devx_umem_reg = mlx5_glue_devx_umem_reg,
 961         .devx_umem_dereg = mlx5_glue_devx_umem_dereg,
 962 };