xref: /dpdk/drivers/common/mlx5/linux/mlx5_glue.c (revision cd346367f898d619edf53f13628d6e539dbcab40)
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  * Not needed by this file; included to work around the lack of off_t
13  * definition for mlx5dv.h with unpatched rdma-core versions.
14  */
15 #include <sys/types.h>
16 
17 #include "mlx5_glue.h"
18 
19 static int
20 mlx5_glue_fork_init(void)
21 {
22 	return ibv_fork_init();
23 }
24 
25 static struct ibv_pd *
26 mlx5_glue_alloc_pd(struct ibv_context *context)
27 {
28 	return ibv_alloc_pd(context);
29 }
30 
31 static int
32 mlx5_glue_dealloc_pd(struct ibv_pd *pd)
33 {
34 	return ibv_dealloc_pd(pd);
35 }
36 
37 static struct ibv_device **
38 mlx5_glue_get_device_list(int *num_devices)
39 {
40 	return ibv_get_device_list(num_devices);
41 }
42 
43 static void
44 mlx5_glue_free_device_list(struct ibv_device **list)
45 {
46 	ibv_free_device_list(list);
47 }
48 
49 static struct ibv_context *
50 mlx5_glue_open_device(struct ibv_device *device)
51 {
52 	return ibv_open_device(device);
53 }
54 
55 static int
56 mlx5_glue_close_device(struct ibv_context *context)
57 {
58 	return ibv_close_device(context);
59 }
60 
61 static int
62 mlx5_glue_query_device(struct ibv_context *context,
63 		       struct ibv_device_attr *device_attr)
64 {
65 	return ibv_query_device(context, device_attr);
66 }
67 
68 static int
69 mlx5_glue_query_device_ex(struct ibv_context *context,
70 			  const struct ibv_query_device_ex_input *input,
71 			  struct ibv_device_attr_ex *attr)
72 {
73 	return ibv_query_device_ex(context, input, attr);
74 }
75 
76 static int
77 mlx5_glue_query_rt_values_ex(struct ibv_context *context,
78 			  struct ibv_values_ex *values)
79 {
80 	return ibv_query_rt_values_ex(context, values);
81 }
82 
83 static int
84 mlx5_glue_query_port(struct ibv_context *context, uint8_t port_num,
85 		     struct ibv_port_attr *port_attr)
86 {
87 	return ibv_query_port(context, port_num, port_attr);
88 }
89 
90 static struct ibv_comp_channel *
91 mlx5_glue_create_comp_channel(struct ibv_context *context)
92 {
93 	return ibv_create_comp_channel(context);
94 }
95 
96 static int
97 mlx5_glue_destroy_comp_channel(struct ibv_comp_channel *channel)
98 {
99 	return ibv_destroy_comp_channel(channel);
100 }
101 
102 static struct ibv_cq *
103 mlx5_glue_create_cq(struct ibv_context *context, int cqe, void *cq_context,
104 		    struct ibv_comp_channel *channel, int comp_vector)
105 {
106 	return ibv_create_cq(context, cqe, cq_context, channel, comp_vector);
107 }
108 
109 static int
110 mlx5_glue_destroy_cq(struct ibv_cq *cq)
111 {
112 	return ibv_destroy_cq(cq);
113 }
114 
115 static int
116 mlx5_glue_get_cq_event(struct ibv_comp_channel *channel, struct ibv_cq **cq,
117 		       void **cq_context)
118 {
119 	return ibv_get_cq_event(channel, cq, cq_context);
120 }
121 
122 static void
123 mlx5_glue_ack_cq_events(struct ibv_cq *cq, unsigned int nevents)
124 {
125 	ibv_ack_cq_events(cq, nevents);
126 }
127 
128 static struct ibv_rwq_ind_table *
129 mlx5_glue_create_rwq_ind_table(struct ibv_context *context,
130 			       struct ibv_rwq_ind_table_init_attr *init_attr)
131 {
132 	return ibv_create_rwq_ind_table(context, init_attr);
133 }
134 
135 static int
136 mlx5_glue_destroy_rwq_ind_table(struct ibv_rwq_ind_table *rwq_ind_table)
137 {
138 	return ibv_destroy_rwq_ind_table(rwq_ind_table);
139 }
140 
141 static struct ibv_wq *
142 mlx5_glue_create_wq(struct ibv_context *context,
143 		    struct ibv_wq_init_attr *wq_init_attr)
144 {
145 	return ibv_create_wq(context, wq_init_attr);
146 }
147 
148 static int
149 mlx5_glue_destroy_wq(struct ibv_wq *wq)
150 {
151 	return ibv_destroy_wq(wq);
152 }
153 static int
154 mlx5_glue_modify_wq(struct ibv_wq *wq, struct ibv_wq_attr *wq_attr)
155 {
156 	return ibv_modify_wq(wq, wq_attr);
157 }
158 
159 static struct ibv_flow *
160 mlx5_glue_create_flow(struct ibv_qp *qp, struct ibv_flow_attr *flow)
161 {
162 	return ibv_create_flow(qp, flow);
163 }
164 
165 static int
166 mlx5_glue_destroy_flow(struct ibv_flow *flow_id)
167 {
168 	return ibv_destroy_flow(flow_id);
169 }
170 
171 static int
172 mlx5_glue_destroy_flow_action(void *action)
173 {
174 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
175 #ifdef HAVE_MLX5DV_DR
176 	return mlx5dv_dr_action_destroy(action);
177 #else
178 	struct mlx5dv_flow_action_attr *attr = action;
179 	int res = 0;
180 	switch (attr->type) {
181 	case MLX5DV_FLOW_ACTION_TAG:
182 		break;
183 	default:
184 		res = ibv_destroy_flow_action(attr->action);
185 		break;
186 	}
187 	free(action);
188 	return res;
189 #endif
190 #else
191 	(void)action;
192 	return -ENOTSUP;
193 #endif
194 }
195 
196 static struct ibv_qp *
197 mlx5_glue_create_qp(struct ibv_pd *pd, struct ibv_qp_init_attr *qp_init_attr)
198 {
199 	return ibv_create_qp(pd, qp_init_attr);
200 }
201 
202 static struct ibv_qp *
203 mlx5_glue_create_qp_ex(struct ibv_context *context,
204 		       struct ibv_qp_init_attr_ex *qp_init_attr_ex)
205 {
206 	return ibv_create_qp_ex(context, qp_init_attr_ex);
207 }
208 
209 static int
210 mlx5_glue_destroy_qp(struct ibv_qp *qp)
211 {
212 	return ibv_destroy_qp(qp);
213 }
214 
215 static int
216 mlx5_glue_modify_qp(struct ibv_qp *qp, struct ibv_qp_attr *attr, int attr_mask)
217 {
218 	return ibv_modify_qp(qp, attr, attr_mask);
219 }
220 
221 static struct ibv_mr *
222 mlx5_glue_reg_mr(struct ibv_pd *pd, void *addr, size_t length, int access)
223 {
224 	return ibv_reg_mr(pd, addr, length, access);
225 }
226 
227 static struct ibv_mr *
228 mlx5_glue_alloc_null_mr(struct ibv_pd *pd)
229 {
230 #ifdef HAVE_IBV_DEVX_OBJ
231 	return ibv_alloc_null_mr(pd);
232 #else
233 	(void)pd;
234 	errno = ENOTSUP;
235 	return NULL;
236 #endif
237 }
238 
239 static int
240 mlx5_glue_dereg_mr(struct ibv_mr *mr)
241 {
242 	return ibv_dereg_mr(mr);
243 }
244 
245 static struct ibv_counter_set *
246 mlx5_glue_create_counter_set(struct ibv_context *context,
247 			     struct ibv_counter_set_init_attr *init_attr)
248 {
249 #ifndef HAVE_IBV_DEVICE_COUNTERS_SET_V42
250 	(void)context;
251 	(void)init_attr;
252 	return NULL;
253 #else
254 	return ibv_create_counter_set(context, init_attr);
255 #endif
256 }
257 
258 static int
259 mlx5_glue_destroy_counter_set(struct ibv_counter_set *cs)
260 {
261 #ifndef HAVE_IBV_DEVICE_COUNTERS_SET_V42
262 	(void)cs;
263 	return -ENOTSUP;
264 #else
265 	return ibv_destroy_counter_set(cs);
266 #endif
267 }
268 
269 static int
270 mlx5_glue_describe_counter_set(struct ibv_context *context,
271 			       uint16_t counter_set_id,
272 			       struct ibv_counter_set_description *cs_desc)
273 {
274 #ifndef HAVE_IBV_DEVICE_COUNTERS_SET_V42
275 	(void)context;
276 	(void)counter_set_id;
277 	(void)cs_desc;
278 	return -ENOTSUP;
279 #else
280 	return ibv_describe_counter_set(context, counter_set_id, cs_desc);
281 #endif
282 }
283 
284 static int
285 mlx5_glue_query_counter_set(struct ibv_query_counter_set_attr *query_attr,
286 			    struct ibv_counter_set_data *cs_data)
287 {
288 #ifndef HAVE_IBV_DEVICE_COUNTERS_SET_V42
289 	(void)query_attr;
290 	(void)cs_data;
291 	return -ENOTSUP;
292 #else
293 	return ibv_query_counter_set(query_attr, cs_data);
294 #endif
295 }
296 
297 static struct ibv_counters *
298 mlx5_glue_create_counters(struct ibv_context *context,
299 			  struct ibv_counters_init_attr *init_attr)
300 {
301 #ifndef HAVE_IBV_DEVICE_COUNTERS_SET_V45
302 	(void)context;
303 	(void)init_attr;
304 	errno = ENOTSUP;
305 	return NULL;
306 #else
307 	return ibv_create_counters(context, init_attr);
308 #endif
309 }
310 
311 static int
312 mlx5_glue_destroy_counters(struct ibv_counters *counters)
313 {
314 #ifndef HAVE_IBV_DEVICE_COUNTERS_SET_V45
315 	(void)counters;
316 	return -ENOTSUP;
317 #else
318 	return ibv_destroy_counters(counters);
319 #endif
320 }
321 
322 static int
323 mlx5_glue_attach_counters(struct ibv_counters *counters,
324 			  struct ibv_counter_attach_attr *attr,
325 			  struct ibv_flow *flow)
326 {
327 #ifndef HAVE_IBV_DEVICE_COUNTERS_SET_V45
328 	(void)counters;
329 	(void)attr;
330 	(void)flow;
331 	return -ENOTSUP;
332 #else
333 	return ibv_attach_counters_point_flow(counters, attr, flow);
334 #endif
335 }
336 
337 static int
338 mlx5_glue_query_counters(struct ibv_counters *counters,
339 			 uint64_t *counters_value,
340 			 uint32_t ncounters,
341 			 uint32_t flags)
342 {
343 #ifndef HAVE_IBV_DEVICE_COUNTERS_SET_V45
344 	(void)counters;
345 	(void)counters_value;
346 	(void)ncounters;
347 	(void)flags;
348 	return -ENOTSUP;
349 #else
350 	return ibv_read_counters(counters, counters_value, ncounters, flags);
351 #endif
352 }
353 
354 static void
355 mlx5_glue_ack_async_event(struct ibv_async_event *event)
356 {
357 	ibv_ack_async_event(event);
358 }
359 
360 static int
361 mlx5_glue_get_async_event(struct ibv_context *context,
362 			  struct ibv_async_event *event)
363 {
364 	return ibv_get_async_event(context, event);
365 }
366 
367 static const char *
368 mlx5_glue_port_state_str(enum ibv_port_state port_state)
369 {
370 	return ibv_port_state_str(port_state);
371 }
372 
373 static struct ibv_cq *
374 mlx5_glue_cq_ex_to_cq(struct ibv_cq_ex *cq)
375 {
376 	return ibv_cq_ex_to_cq(cq);
377 }
378 
379 static void *
380 mlx5_glue_dr_create_flow_action_dest_flow_tbl(void *tbl)
381 {
382 #ifdef HAVE_MLX5DV_DR
383 	return mlx5dv_dr_action_create_dest_table(tbl);
384 #else
385 	(void)tbl;
386 	errno = ENOTSUP;
387 	return NULL;
388 #endif
389 }
390 
391 static void *
392 mlx5_glue_dr_create_flow_action_dest_port(void *domain, uint32_t port)
393 {
394 #ifdef HAVE_MLX5DV_DR_DEVX_PORT
395 	return mlx5dv_dr_action_create_dest_ib_port(domain, port);
396 #else
397 #ifdef HAVE_MLX5DV_DR_ESWITCH
398 	return mlx5dv_dr_action_create_dest_vport(domain, port);
399 #else
400 	(void)domain;
401 	(void)port;
402 	errno = ENOTSUP;
403 	return NULL;
404 #endif
405 #endif
406 }
407 
408 static void *
409 mlx5_glue_dr_create_flow_action_drop(void)
410 {
411 #ifdef HAVE_MLX5DV_DR_ESWITCH
412 	return mlx5dv_dr_action_create_drop();
413 #else
414 	errno = ENOTSUP;
415 	return NULL;
416 #endif
417 }
418 
419 static void *
420 mlx5_glue_dr_create_flow_action_push_vlan(struct mlx5dv_dr_domain *domain,
421 					  rte_be32_t vlan_tag)
422 {
423 #ifdef HAVE_MLX5DV_DR_VLAN
424 	return mlx5dv_dr_action_create_push_vlan(domain, vlan_tag);
425 #else
426 	(void)domain;
427 	(void)vlan_tag;
428 	errno = ENOTSUP;
429 	return NULL;
430 #endif
431 }
432 
433 static void *
434 mlx5_glue_dr_create_flow_action_pop_vlan(void)
435 {
436 #ifdef HAVE_MLX5DV_DR_VLAN
437 	return mlx5dv_dr_action_create_pop_vlan();
438 #else
439 	errno = ENOTSUP;
440 	return NULL;
441 #endif
442 }
443 
444 static void *
445 mlx5_glue_dr_create_flow_tbl(void *domain, uint32_t level)
446 {
447 #ifdef HAVE_MLX5DV_DR
448 	return mlx5dv_dr_table_create(domain, level);
449 #else
450 	(void)domain;
451 	(void)level;
452 	errno = ENOTSUP;
453 	return NULL;
454 #endif
455 }
456 
457 static int
458 mlx5_glue_dr_destroy_flow_tbl(void *tbl)
459 {
460 #ifdef HAVE_MLX5DV_DR
461 	return mlx5dv_dr_table_destroy(tbl);
462 #else
463 	(void)tbl;
464 	errno = ENOTSUP;
465 	return errno;
466 #endif
467 }
468 
469 static void *
470 mlx5_glue_dr_create_domain(struct ibv_context *ctx,
471 			   enum  mlx5dv_dr_domain_type domain)
472 {
473 #ifdef HAVE_MLX5DV_DR
474 	return mlx5dv_dr_domain_create(ctx, domain);
475 #else
476 	(void)ctx;
477 	(void)domain;
478 	errno = ENOTSUP;
479 	return NULL;
480 #endif
481 }
482 
483 static int
484 mlx5_glue_dr_destroy_domain(void *domain)
485 {
486 #ifdef HAVE_MLX5DV_DR
487 	return mlx5dv_dr_domain_destroy(domain);
488 #else
489 	(void)domain;
490 	errno = ENOTSUP;
491 	return errno;
492 #endif
493 }
494 
495 static struct ibv_cq_ex *
496 mlx5_glue_dv_create_cq(struct ibv_context *context,
497 		       struct ibv_cq_init_attr_ex *cq_attr,
498 		       struct mlx5dv_cq_init_attr *mlx5_cq_attr)
499 {
500 	return mlx5dv_create_cq(context, cq_attr, mlx5_cq_attr);
501 }
502 
503 static struct ibv_wq *
504 mlx5_glue_dv_create_wq(struct ibv_context *context,
505 		       struct ibv_wq_init_attr *wq_attr,
506 		       struct mlx5dv_wq_init_attr *mlx5_wq_attr)
507 {
508 #ifndef HAVE_IBV_DEVICE_STRIDING_RQ_SUPPORT
509 	(void)context;
510 	(void)wq_attr;
511 	(void)mlx5_wq_attr;
512 	errno = ENOTSUP;
513 	return NULL;
514 #else
515 	return mlx5dv_create_wq(context, wq_attr, mlx5_wq_attr);
516 #endif
517 }
518 
519 static int
520 mlx5_glue_dv_query_device(struct ibv_context *ctx,
521 			  struct mlx5dv_context *attrs_out)
522 {
523 	return mlx5dv_query_device(ctx, attrs_out);
524 }
525 
526 static int
527 mlx5_glue_dv_set_context_attr(struct ibv_context *ibv_ctx,
528 			      enum mlx5dv_set_ctx_attr_type type, void *attr)
529 {
530 	return mlx5dv_set_context_attr(ibv_ctx, type, attr);
531 }
532 
533 static int
534 mlx5_glue_dv_init_obj(struct mlx5dv_obj *obj, uint64_t obj_type)
535 {
536 	return mlx5dv_init_obj(obj, obj_type);
537 }
538 
539 static struct ibv_qp *
540 mlx5_glue_dv_create_qp(struct ibv_context *context,
541 		       struct ibv_qp_init_attr_ex *qp_init_attr_ex,
542 		       struct mlx5dv_qp_init_attr *dv_qp_init_attr)
543 {
544 #ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
545 	return mlx5dv_create_qp(context, qp_init_attr_ex, dv_qp_init_attr);
546 #else
547 	(void)context;
548 	(void)qp_init_attr_ex;
549 	(void)dv_qp_init_attr;
550 	errno = ENOTSUP;
551 	return NULL;
552 #endif
553 }
554 
555 static void *
556 mlx5_glue_dv_create_flow_matcher(struct ibv_context *context,
557 				 struct mlx5dv_flow_matcher_attr *matcher_attr,
558 				 void *tbl)
559 {
560 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
561 #ifdef HAVE_MLX5DV_DR
562 	(void)context;
563 	return mlx5dv_dr_matcher_create(tbl, matcher_attr->priority,
564 					matcher_attr->match_criteria_enable,
565 					matcher_attr->match_mask);
566 #else
567 	(void)tbl;
568 	return mlx5dv_create_flow_matcher(context, matcher_attr);
569 #endif
570 #else
571 	(void)context;
572 	(void)matcher_attr;
573 	(void)tbl;
574 	errno = ENOTSUP;
575 	return NULL;
576 #endif
577 }
578 
579 static void *
580 mlx5_glue_dv_create_flow(void *matcher,
581 			 void *match_value,
582 			 size_t num_actions,
583 			 void *actions[])
584 {
585 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
586 #ifdef HAVE_MLX5DV_DR
587 	return mlx5dv_dr_rule_create(matcher, match_value, num_actions,
588 				     (struct mlx5dv_dr_action **)actions);
589 #else
590 	size_t i;
591 	struct mlx5dv_flow_action_attr actions_attr[8];
592 
593 	if (num_actions > 8)
594 		return NULL;
595 	for (i = 0; i < num_actions; i++)
596 		actions_attr[i] =
597 			*((struct mlx5dv_flow_action_attr *)(actions[i]));
598 	return mlx5dv_create_flow(matcher, match_value,
599 				  num_actions, actions_attr);
600 #endif
601 #else
602 	(void)matcher;
603 	(void)match_value;
604 	(void)num_actions;
605 	(void)actions;
606 	return NULL;
607 #endif
608 }
609 
610 static void *
611 mlx5_glue_dv_create_flow_action_counter(void *counter_obj, uint32_t offset)
612 {
613 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
614 #ifdef HAVE_MLX5DV_DR
615 	return mlx5dv_dr_action_create_flow_counter(counter_obj, offset);
616 #else
617 	struct mlx5dv_flow_action_attr *action;
618 
619 	(void)offset;
620 	action = malloc(sizeof(*action));
621 	if (!action)
622 		return NULL;
623 	action->type = MLX5DV_FLOW_ACTION_COUNTERS_DEVX;
624 	action->obj = counter_obj;
625 	return action;
626 #endif
627 #else
628 	(void)counter_obj;
629 	(void)offset;
630 	errno = ENOTSUP;
631 	return NULL;
632 #endif
633 }
634 
635 static void *
636 mlx5_glue_dv_create_flow_action_dest_ibv_qp(void *qp)
637 {
638 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
639 #ifdef HAVE_MLX5DV_DR
640 	return mlx5dv_dr_action_create_dest_ibv_qp(qp);
641 #else
642 	struct mlx5dv_flow_action_attr *action;
643 
644 	action = malloc(sizeof(*action));
645 	if (!action)
646 		return NULL;
647 	action->type = MLX5DV_FLOW_ACTION_DEST_IBV_QP;
648 	action->obj = qp;
649 	return action;
650 #endif
651 #else
652 	(void)qp;
653 	errno = ENOTSUP;
654 	return NULL;
655 #endif
656 }
657 
658 static void *
659 mlx5_glue_dv_create_flow_action_dest_devx_tir(void *tir)
660 {
661 #ifdef HAVE_MLX5DV_DR_ACTION_DEST_DEVX_TIR
662 	return mlx5dv_dr_action_create_dest_devx_tir(tir);
663 #else
664 	(void)tir;
665 	errno = ENOTSUP;
666 	return NULL;
667 #endif
668 }
669 
670 static void *
671 mlx5_glue_dv_create_flow_action_modify_header
672 					(struct ibv_context *ctx,
673 					 enum mlx5dv_flow_table_type ft_type,
674 					 void *domain, uint64_t flags,
675 					 size_t actions_sz,
676 					 uint64_t actions[])
677 {
678 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
679 #ifdef HAVE_MLX5DV_DR
680 	(void)ctx;
681 	(void)ft_type;
682 	return mlx5dv_dr_action_create_modify_header(domain, flags, actions_sz,
683 						     (__be64 *)actions);
684 #else
685 	struct mlx5dv_flow_action_attr *action;
686 
687 	(void)domain;
688 	(void)flags;
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_modify_header
694 		(ctx, actions_sz, actions, ft_type);
695 	return action;
696 #endif
697 #else
698 	(void)ctx;
699 	(void)ft_type;
700 	(void)domain;
701 	(void)flags;
702 	(void)actions_sz;
703 	(void)actions;
704 	errno = ENOTSUP;
705 	return NULL;
706 #endif
707 }
708 
709 static void *
710 mlx5_glue_dv_create_flow_action_packet_reformat
711 		(struct ibv_context *ctx,
712 		 enum mlx5dv_flow_action_packet_reformat_type reformat_type,
713 		 enum mlx5dv_flow_table_type ft_type,
714 		 struct mlx5dv_dr_domain *domain,
715 		 uint32_t flags, size_t data_sz, void *data)
716 {
717 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
718 #ifdef HAVE_MLX5DV_DR
719 	(void)ctx;
720 	(void)ft_type;
721 	return mlx5dv_dr_action_create_packet_reformat(domain, flags,
722 						       reformat_type, data_sz,
723 						       data);
724 #else
725 	(void)domain;
726 	(void)flags;
727 	struct mlx5dv_flow_action_attr *action;
728 
729 	action = malloc(sizeof(*action));
730 	if (!action)
731 		return NULL;
732 	action->type = MLX5DV_FLOW_ACTION_IBV_FLOW_ACTION;
733 	action->action = mlx5dv_create_flow_action_packet_reformat
734 		(ctx, data_sz, data, reformat_type, ft_type);
735 	return action;
736 #endif
737 #else
738 	(void)ctx;
739 	(void)reformat_type;
740 	(void)ft_type;
741 	(void)domain;
742 	(void)flags;
743 	(void)data_sz;
744 	(void)data;
745 	errno = ENOTSUP;
746 	return NULL;
747 #endif
748 }
749 
750 static void *
751 mlx5_glue_dv_create_flow_action_tag(uint32_t tag)
752 {
753 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
754 #ifdef HAVE_MLX5DV_DR
755 	return mlx5dv_dr_action_create_tag(tag);
756 #else /* HAVE_MLX5DV_DR */
757 	struct mlx5dv_flow_action_attr *action;
758 	action = malloc(sizeof(*action));
759 	if (!action)
760 		return NULL;
761 	action->type = MLX5DV_FLOW_ACTION_TAG;
762 	action->tag_value = tag;
763 	return action;
764 #endif /* HAVE_MLX5DV_DR */
765 #else /* HAVE_IBV_FLOW_DV_SUPPORT */
766 	(void)tag;
767 	errno = ENOTSUP;
768 	return NULL;
769 #endif /* HAVE_IBV_FLOW_DV_SUPPORT */
770 }
771 
772 static void *
773 mlx5_glue_dv_create_flow_action_meter(struct mlx5dv_dr_flow_meter_attr *attr)
774 {
775 #if defined(HAVE_MLX5DV_DR) && defined(HAVE_MLX5_DR_CREATE_ACTION_FLOW_METER)
776 	return mlx5dv_dr_action_create_flow_meter(attr);
777 #else
778 	(void)attr;
779 	errno = ENOTSUP;
780 	return NULL;
781 #endif
782 }
783 
784 static int
785 mlx5_glue_dv_modify_flow_action_meter(void *action,
786 				      struct mlx5dv_dr_flow_meter_attr *attr,
787 				      uint64_t modify_bits)
788 {
789 #if defined(HAVE_MLX5DV_DR) && defined(HAVE_MLX5_DR_CREATE_ACTION_FLOW_METER)
790 	return mlx5dv_dr_action_modify_flow_meter(action, attr, modify_bits);
791 #else
792 	(void)action;
793 	(void)attr;
794 	(void)modify_bits;
795 	errno = ENOTSUP;
796 	return errno;
797 #endif
798 }
799 
800 static void *
801 mlx5_glue_dr_create_flow_action_default_miss(void)
802 {
803 #if defined(HAVE_MLX5DV_DR) && defined(HAVE_MLX5_DR_CREATE_ACTION_DEFAULT_MISS)
804 	return mlx5dv_dr_action_create_default_miss();
805 #else
806 	errno = ENOTSUP;
807 	return NULL;
808 #endif
809 }
810 
811 static int
812 mlx5_glue_dv_destroy_flow(void *flow_id)
813 {
814 #ifdef HAVE_MLX5DV_DR
815 	return mlx5dv_dr_rule_destroy(flow_id);
816 #else
817 	return ibv_destroy_flow(flow_id);
818 #endif
819 }
820 
821 static int
822 mlx5_glue_dv_destroy_flow_matcher(void *matcher)
823 {
824 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
825 #ifdef HAVE_MLX5DV_DR
826 	return mlx5dv_dr_matcher_destroy(matcher);
827 #else
828 	return mlx5dv_destroy_flow_matcher(matcher);
829 #endif
830 #else
831 	(void)matcher;
832 	errno = ENOTSUP;
833 	return errno;
834 #endif
835 }
836 
837 static struct ibv_context *
838 mlx5_glue_dv_open_device(struct ibv_device *device)
839 {
840 #ifdef HAVE_IBV_DEVX_OBJ
841 	return mlx5dv_open_device(device,
842 				  &(struct mlx5dv_context_attr){
843 					.flags = MLX5DV_CONTEXT_FLAGS_DEVX,
844 				  });
845 #else
846 	(void)device;
847 	errno = ENOTSUP;
848 	return NULL;
849 #endif
850 }
851 
852 static struct mlx5dv_devx_obj *
853 mlx5_glue_devx_obj_create(struct ibv_context *ctx,
854 			  const void *in, size_t inlen,
855 			  void *out, size_t outlen)
856 {
857 #ifdef HAVE_IBV_DEVX_OBJ
858 	return mlx5dv_devx_obj_create(ctx, in, inlen, out, outlen);
859 #else
860 	(void)ctx;
861 	(void)in;
862 	(void)inlen;
863 	(void)out;
864 	(void)outlen;
865 	errno = ENOTSUP;
866 	return NULL;
867 #endif
868 }
869 
870 static int
871 mlx5_glue_devx_obj_destroy(struct mlx5dv_devx_obj *obj)
872 {
873 #ifdef HAVE_IBV_DEVX_OBJ
874 	return mlx5dv_devx_obj_destroy(obj);
875 #else
876 	(void)obj;
877 	return -ENOTSUP;
878 #endif
879 }
880 
881 static int
882 mlx5_glue_devx_obj_query(struct mlx5dv_devx_obj *obj,
883 			 const void *in, size_t inlen,
884 			 void *out, size_t outlen)
885 {
886 #ifdef HAVE_IBV_DEVX_OBJ
887 	return mlx5dv_devx_obj_query(obj, in, inlen, out, outlen);
888 #else
889 	(void)obj;
890 	(void)in;
891 	(void)inlen;
892 	(void)out;
893 	(void)outlen;
894 	return -ENOTSUP;
895 #endif
896 }
897 
898 static int
899 mlx5_glue_devx_obj_modify(struct mlx5dv_devx_obj *obj,
900 			  const void *in, size_t inlen,
901 			  void *out, size_t outlen)
902 {
903 #ifdef HAVE_IBV_DEVX_OBJ
904 	return mlx5dv_devx_obj_modify(obj, in, inlen, out, outlen);
905 #else
906 	(void)obj;
907 	(void)in;
908 	(void)inlen;
909 	(void)out;
910 	(void)outlen;
911 	return -ENOTSUP;
912 #endif
913 }
914 
915 static int
916 mlx5_glue_devx_general_cmd(struct ibv_context *ctx,
917 			   const void *in, size_t inlen,
918 			   void *out, size_t outlen)
919 {
920 #ifdef HAVE_IBV_DEVX_OBJ
921 	return mlx5dv_devx_general_cmd(ctx, in, inlen, out, outlen);
922 #else
923 	(void)ctx;
924 	(void)in;
925 	(void)inlen;
926 	(void)out;
927 	(void)outlen;
928 	return -ENOTSUP;
929 #endif
930 }
931 
932 static struct mlx5dv_devx_cmd_comp *
933 mlx5_glue_devx_create_cmd_comp(struct ibv_context *ctx)
934 {
935 #ifdef HAVE_IBV_DEVX_ASYNC
936 	return mlx5dv_devx_create_cmd_comp(ctx);
937 #else
938 	(void)ctx;
939 	errno = -ENOTSUP;
940 	return NULL;
941 #endif
942 }
943 
944 static void
945 mlx5_glue_devx_destroy_cmd_comp(struct mlx5dv_devx_cmd_comp *cmd_comp)
946 {
947 #ifdef HAVE_IBV_DEVX_ASYNC
948 	mlx5dv_devx_destroy_cmd_comp(cmd_comp);
949 #else
950 	(void)cmd_comp;
951 	errno = -ENOTSUP;
952 #endif
953 }
954 
955 static int
956 mlx5_glue_devx_obj_query_async(struct mlx5dv_devx_obj *obj, const void *in,
957 			       size_t inlen, size_t outlen, uint64_t wr_id,
958 			       struct mlx5dv_devx_cmd_comp *cmd_comp)
959 {
960 #ifdef HAVE_IBV_DEVX_ASYNC
961 	return mlx5dv_devx_obj_query_async(obj, in, inlen, outlen, wr_id,
962 					   cmd_comp);
963 #else
964 	(void)obj;
965 	(void)in;
966 	(void)inlen;
967 	(void)outlen;
968 	(void)wr_id;
969 	(void)cmd_comp;
970 	return -ENOTSUP;
971 #endif
972 }
973 
974 static int
975 mlx5_glue_devx_get_async_cmd_comp(struct mlx5dv_devx_cmd_comp *cmd_comp,
976 				  struct mlx5dv_devx_async_cmd_hdr *cmd_resp,
977 				  size_t cmd_resp_len)
978 {
979 #ifdef HAVE_IBV_DEVX_ASYNC
980 	return mlx5dv_devx_get_async_cmd_comp(cmd_comp, cmd_resp,
981 					      cmd_resp_len);
982 #else
983 	(void)cmd_comp;
984 	(void)cmd_resp;
985 	(void)cmd_resp_len;
986 	return -ENOTSUP;
987 #endif
988 }
989 
990 static struct mlx5dv_devx_umem *
991 mlx5_glue_devx_umem_reg(struct ibv_context *context, void *addr, size_t size,
992 			uint32_t access)
993 {
994 #ifdef HAVE_IBV_DEVX_OBJ
995 	return mlx5dv_devx_umem_reg(context, addr, size, access);
996 #else
997 	(void)context;
998 	(void)addr;
999 	(void)size;
1000 	(void)access;
1001 	errno = -ENOTSUP;
1002 	return NULL;
1003 #endif
1004 }
1005 
1006 static int
1007 mlx5_glue_devx_umem_dereg(struct mlx5dv_devx_umem *dv_devx_umem)
1008 {
1009 #ifdef HAVE_IBV_DEVX_OBJ
1010 	return mlx5dv_devx_umem_dereg(dv_devx_umem);
1011 #else
1012 	(void)dv_devx_umem;
1013 	return -ENOTSUP;
1014 #endif
1015 }
1016 
1017 static int
1018 mlx5_glue_devx_qp_query(struct ibv_qp *qp,
1019 			const void *in, size_t inlen,
1020 			void *out, size_t outlen)
1021 {
1022 #ifdef HAVE_IBV_DEVX_QP
1023 	return mlx5dv_devx_qp_query(qp, in, inlen, out, outlen);
1024 #else
1025 	(void)qp;
1026 	(void)in;
1027 	(void)inlen;
1028 	(void)out;
1029 	(void)outlen;
1030 	errno = ENOTSUP;
1031 	return errno;
1032 #endif
1033 }
1034 
1035 static int
1036 mlx5_glue_devx_port_query(struct ibv_context *ctx,
1037 			  uint32_t port_num,
1038 			  struct mlx5dv_devx_port *mlx5_devx_port)
1039 {
1040 #ifdef HAVE_MLX5DV_DR_DEVX_PORT
1041 	return mlx5dv_query_devx_port(ctx, port_num, mlx5_devx_port);
1042 #else
1043 	(void)ctx;
1044 	(void)port_num;
1045 	(void)mlx5_devx_port;
1046 	errno = ENOTSUP;
1047 	return errno;
1048 #endif
1049 }
1050 
1051 static int
1052 mlx5_glue_dr_dump_domain(FILE *file, void *domain)
1053 {
1054 #ifdef HAVE_MLX5_DR_FLOW_DUMP
1055 	return mlx5dv_dump_dr_domain(file, domain);
1056 #else
1057 	RTE_SET_USED(file);
1058 	RTE_SET_USED(domain);
1059 	return -ENOTSUP;
1060 #endif
1061 }
1062 
1063 static int
1064 mlx5_glue_devx_query_eqn(struct ibv_context *ctx, uint32_t cpus,
1065 			 uint32_t *eqn)
1066 {
1067 #ifdef HAVE_IBV_DEVX_OBJ
1068 	return mlx5dv_devx_query_eqn(ctx, cpus, eqn);
1069 #else
1070 	(void)ctx;
1071 	(void)cpus;
1072 	(void)eqn;
1073 	return -ENOTSUP;
1074 #endif
1075 }
1076 
1077 static struct mlx5dv_devx_event_channel *
1078 mlx5_glue_devx_create_event_channel(struct ibv_context *ctx, int flags)
1079 {
1080 #ifdef HAVE_IBV_DEVX_EVENT
1081 	return mlx5dv_devx_create_event_channel(ctx, flags);
1082 #else
1083 	(void)ctx;
1084 	(void)flags;
1085 	errno = ENOTSUP;
1086 	return NULL;
1087 #endif
1088 }
1089 
1090 static void
1091 mlx5_glue_devx_destroy_event_channel(struct mlx5dv_devx_event_channel *eventc)
1092 {
1093 #ifdef HAVE_IBV_DEVX_EVENT
1094 	mlx5dv_devx_destroy_event_channel(eventc);
1095 #else
1096 	(void)eventc;
1097 #endif
1098 }
1099 
1100 static int
1101 mlx5_glue_devx_subscribe_devx_event(struct mlx5dv_devx_event_channel *eventc,
1102 				    struct mlx5dv_devx_obj *obj,
1103 				    uint16_t events_sz, uint16_t events_num[],
1104 				    uint64_t cookie)
1105 {
1106 #ifdef HAVE_IBV_DEVX_EVENT
1107 	return mlx5dv_devx_subscribe_devx_event(eventc, obj, events_sz,
1108 						events_num, cookie);
1109 #else
1110 	(void)eventc;
1111 	(void)obj;
1112 	(void)events_sz;
1113 	(void)events_num;
1114 	(void)cookie;
1115 	return -ENOTSUP;
1116 #endif
1117 }
1118 
1119 static int
1120 mlx5_glue_devx_subscribe_devx_event_fd(struct mlx5dv_devx_event_channel *eventc,
1121 				       int fd, struct mlx5dv_devx_obj *obj,
1122 				       uint16_t event_num)
1123 {
1124 #ifdef HAVE_IBV_DEVX_EVENT
1125 	return mlx5dv_devx_subscribe_devx_event_fd(eventc, fd, obj, event_num);
1126 #else
1127 	(void)eventc;
1128 	(void)fd;
1129 	(void)obj;
1130 	(void)event_num;
1131 	return -ENOTSUP;
1132 #endif
1133 }
1134 
1135 static ssize_t
1136 mlx5_glue_devx_get_event(struct mlx5dv_devx_event_channel *eventc,
1137 			 struct mlx5dv_devx_async_event_hdr *event_data,
1138 			 size_t event_resp_len)
1139 {
1140 #ifdef HAVE_IBV_DEVX_EVENT
1141 	return mlx5dv_devx_get_event(eventc, event_data, event_resp_len);
1142 #else
1143 	(void)eventc;
1144 	(void)event_data;
1145 	(void)event_resp_len;
1146 	errno = ENOTSUP;
1147 	return -1;
1148 #endif
1149 }
1150 
1151 static struct mlx5dv_devx_uar *
1152 mlx5_glue_devx_alloc_uar(struct ibv_context *context, uint32_t flags)
1153 {
1154 #ifdef HAVE_IBV_DEVX_OBJ
1155 	return mlx5dv_devx_alloc_uar(context, flags);
1156 #else
1157 	(void)context;
1158 	(void)flags;
1159 	errno = ENOTSUP;
1160 	return NULL;
1161 #endif
1162 }
1163 
1164 static void
1165 mlx5_glue_devx_free_uar(struct mlx5dv_devx_uar *devx_uar)
1166 {
1167 #ifdef HAVE_IBV_DEVX_OBJ
1168 	mlx5dv_devx_free_uar(devx_uar);
1169 #else
1170 	(void)devx_uar;
1171 #endif
1172 }
1173 
1174 static struct mlx5dv_var *
1175 mlx5_glue_dv_alloc_var(struct ibv_context *context, uint32_t flags)
1176 {
1177 #ifdef HAVE_IBV_VAR
1178 	return mlx5dv_alloc_var(context, flags);
1179 #else
1180 	(void)context;
1181 	(void)flags;
1182 	errno = ENOTSUP;
1183 	return NULL;
1184 #endif
1185 }
1186 
1187 static void
1188 mlx5_glue_dv_free_var(struct mlx5dv_var *var)
1189 {
1190 #ifdef HAVE_IBV_VAR
1191 	mlx5dv_free_var(var);
1192 #else
1193 	(void)var;
1194 	errno = ENOTSUP;
1195 #endif
1196 }
1197 
1198 
1199 static void
1200 mlx5_glue_dr_reclaim_domain_memory(void *domain, uint32_t enable)
1201 {
1202 #ifdef HAVE_MLX5DV_DR_MEM_RECLAIM
1203 	mlx5dv_dr_domain_set_reclaim_device_memory(domain, enable);
1204 #else
1205 	(void)(enable);
1206 	(void)(domain);
1207 #endif
1208 }
1209 
1210 __rte_cache_aligned
1211 const struct mlx5_glue *mlx5_glue = &(const struct mlx5_glue) {
1212 	.version = MLX5_GLUE_VERSION,
1213 	.fork_init = mlx5_glue_fork_init,
1214 	.alloc_pd = mlx5_glue_alloc_pd,
1215 	.dealloc_pd = mlx5_glue_dealloc_pd,
1216 	.get_device_list = mlx5_glue_get_device_list,
1217 	.free_device_list = mlx5_glue_free_device_list,
1218 	.open_device = mlx5_glue_open_device,
1219 	.close_device = mlx5_glue_close_device,
1220 	.query_device = mlx5_glue_query_device,
1221 	.query_device_ex = mlx5_glue_query_device_ex,
1222 	.query_rt_values_ex = mlx5_glue_query_rt_values_ex,
1223 	.query_port = mlx5_glue_query_port,
1224 	.create_comp_channel = mlx5_glue_create_comp_channel,
1225 	.destroy_comp_channel = mlx5_glue_destroy_comp_channel,
1226 	.create_cq = mlx5_glue_create_cq,
1227 	.destroy_cq = mlx5_glue_destroy_cq,
1228 	.get_cq_event = mlx5_glue_get_cq_event,
1229 	.ack_cq_events = mlx5_glue_ack_cq_events,
1230 	.create_rwq_ind_table = mlx5_glue_create_rwq_ind_table,
1231 	.destroy_rwq_ind_table = mlx5_glue_destroy_rwq_ind_table,
1232 	.create_wq = mlx5_glue_create_wq,
1233 	.destroy_wq = mlx5_glue_destroy_wq,
1234 	.modify_wq = mlx5_glue_modify_wq,
1235 	.create_flow = mlx5_glue_create_flow,
1236 	.destroy_flow = mlx5_glue_destroy_flow,
1237 	.destroy_flow_action = mlx5_glue_destroy_flow_action,
1238 	.create_qp = mlx5_glue_create_qp,
1239 	.create_qp_ex = mlx5_glue_create_qp_ex,
1240 	.destroy_qp = mlx5_glue_destroy_qp,
1241 	.modify_qp = mlx5_glue_modify_qp,
1242 	.reg_mr = mlx5_glue_reg_mr,
1243 	.alloc_null_mr = mlx5_glue_alloc_null_mr,
1244 	.dereg_mr = mlx5_glue_dereg_mr,
1245 	.create_counter_set = mlx5_glue_create_counter_set,
1246 	.destroy_counter_set = mlx5_glue_destroy_counter_set,
1247 	.describe_counter_set = mlx5_glue_describe_counter_set,
1248 	.query_counter_set = mlx5_glue_query_counter_set,
1249 	.create_counters = mlx5_glue_create_counters,
1250 	.destroy_counters = mlx5_glue_destroy_counters,
1251 	.attach_counters = mlx5_glue_attach_counters,
1252 	.query_counters = mlx5_glue_query_counters,
1253 	.ack_async_event = mlx5_glue_ack_async_event,
1254 	.get_async_event = mlx5_glue_get_async_event,
1255 	.port_state_str = mlx5_glue_port_state_str,
1256 	.cq_ex_to_cq = mlx5_glue_cq_ex_to_cq,
1257 	.dr_create_flow_action_dest_flow_tbl =
1258 		mlx5_glue_dr_create_flow_action_dest_flow_tbl,
1259 	.dr_create_flow_action_dest_port =
1260 		mlx5_glue_dr_create_flow_action_dest_port,
1261 	.dr_create_flow_action_drop =
1262 		mlx5_glue_dr_create_flow_action_drop,
1263 	.dr_create_flow_action_push_vlan =
1264 		mlx5_glue_dr_create_flow_action_push_vlan,
1265 	.dr_create_flow_action_pop_vlan =
1266 		mlx5_glue_dr_create_flow_action_pop_vlan,
1267 	.dr_create_flow_tbl = mlx5_glue_dr_create_flow_tbl,
1268 	.dr_destroy_flow_tbl = mlx5_glue_dr_destroy_flow_tbl,
1269 	.dr_create_domain = mlx5_glue_dr_create_domain,
1270 	.dr_destroy_domain = mlx5_glue_dr_destroy_domain,
1271 	.dv_create_cq = mlx5_glue_dv_create_cq,
1272 	.dv_create_wq = mlx5_glue_dv_create_wq,
1273 	.dv_query_device = mlx5_glue_dv_query_device,
1274 	.dv_set_context_attr = mlx5_glue_dv_set_context_attr,
1275 	.dv_init_obj = mlx5_glue_dv_init_obj,
1276 	.dv_create_qp = mlx5_glue_dv_create_qp,
1277 	.dv_create_flow_matcher = mlx5_glue_dv_create_flow_matcher,
1278 	.dv_create_flow = mlx5_glue_dv_create_flow,
1279 	.dv_create_flow_action_counter =
1280 		mlx5_glue_dv_create_flow_action_counter,
1281 	.dv_create_flow_action_dest_ibv_qp =
1282 		mlx5_glue_dv_create_flow_action_dest_ibv_qp,
1283 	.dv_create_flow_action_dest_devx_tir =
1284 		mlx5_glue_dv_create_flow_action_dest_devx_tir,
1285 	.dv_create_flow_action_modify_header =
1286 		mlx5_glue_dv_create_flow_action_modify_header,
1287 	.dv_create_flow_action_packet_reformat =
1288 		mlx5_glue_dv_create_flow_action_packet_reformat,
1289 	.dv_create_flow_action_tag =  mlx5_glue_dv_create_flow_action_tag,
1290 	.dv_create_flow_action_meter = mlx5_glue_dv_create_flow_action_meter,
1291 	.dv_modify_flow_action_meter = mlx5_glue_dv_modify_flow_action_meter,
1292 	.dr_create_flow_action_default_miss =
1293 		mlx5_glue_dr_create_flow_action_default_miss,
1294 	.dv_destroy_flow = mlx5_glue_dv_destroy_flow,
1295 	.dv_destroy_flow_matcher = mlx5_glue_dv_destroy_flow_matcher,
1296 	.dv_open_device = mlx5_glue_dv_open_device,
1297 	.devx_obj_create = mlx5_glue_devx_obj_create,
1298 	.devx_obj_destroy = mlx5_glue_devx_obj_destroy,
1299 	.devx_obj_query = mlx5_glue_devx_obj_query,
1300 	.devx_obj_modify = mlx5_glue_devx_obj_modify,
1301 	.devx_general_cmd = mlx5_glue_devx_general_cmd,
1302 	.devx_create_cmd_comp = mlx5_glue_devx_create_cmd_comp,
1303 	.devx_destroy_cmd_comp = mlx5_glue_devx_destroy_cmd_comp,
1304 	.devx_obj_query_async = mlx5_glue_devx_obj_query_async,
1305 	.devx_get_async_cmd_comp = mlx5_glue_devx_get_async_cmd_comp,
1306 	.devx_umem_reg = mlx5_glue_devx_umem_reg,
1307 	.devx_umem_dereg = mlx5_glue_devx_umem_dereg,
1308 	.devx_qp_query = mlx5_glue_devx_qp_query,
1309 	.devx_port_query = mlx5_glue_devx_port_query,
1310 	.dr_dump_domain = mlx5_glue_dr_dump_domain,
1311 	.dr_reclaim_domain_memory = mlx5_glue_dr_reclaim_domain_memory,
1312 	.devx_query_eqn = mlx5_glue_devx_query_eqn,
1313 	.devx_create_event_channel = mlx5_glue_devx_create_event_channel,
1314 	.devx_destroy_event_channel = mlx5_glue_devx_destroy_event_channel,
1315 	.devx_subscribe_devx_event = mlx5_glue_devx_subscribe_devx_event,
1316 	.devx_subscribe_devx_event_fd = mlx5_glue_devx_subscribe_devx_event_fd,
1317 	.devx_get_event = mlx5_glue_devx_get_event,
1318 	.devx_alloc_uar = mlx5_glue_devx_alloc_uar,
1319 	.devx_free_uar = mlx5_glue_devx_free_uar,
1320 	.dv_alloc_var = mlx5_glue_dv_alloc_var,
1321 	.dv_free_var = mlx5_glue_dv_free_var,
1322 };
1323