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6#include <linux/gfp.h>
7#include <linux/mlx5/qp.h>
8#include <linux/mlx5/driver.h>
9#include "mlx5_ib.h"
10#include "qp.h"
11
12static int mlx5_core_drain_dct(struct mlx5_ib_dev *dev,
13 struct mlx5_core_dct *dct);
14
15static struct mlx5_core_rsc_common *
16mlx5_get_rsc(struct mlx5_qp_table *table, u32 rsn)
17{
18 struct mlx5_core_rsc_common *common;
19 unsigned long flags;
20
21 spin_lock_irqsave(&table->lock, flags);
22
23 common = radix_tree_lookup(&table->tree, rsn);
24 if (common)
25 refcount_inc(&common->refcount);
26
27 spin_unlock_irqrestore(&table->lock, flags);
28
29 return common;
30}
31
32void mlx5_core_put_rsc(struct mlx5_core_rsc_common *common)
33{
34 if (refcount_dec_and_test(&common->refcount))
35 complete(&common->free);
36}
37
38static u64 qp_allowed_event_types(void)
39{
40 u64 mask;
41
42 mask = BIT(MLX5_EVENT_TYPE_PATH_MIG) |
43 BIT(MLX5_EVENT_TYPE_COMM_EST) |
44 BIT(MLX5_EVENT_TYPE_SQ_DRAINED) |
45 BIT(MLX5_EVENT_TYPE_SRQ_LAST_WQE) |
46 BIT(MLX5_EVENT_TYPE_WQ_CATAS_ERROR) |
47 BIT(MLX5_EVENT_TYPE_PATH_MIG_FAILED) |
48 BIT(MLX5_EVENT_TYPE_WQ_INVAL_REQ_ERROR) |
49 BIT(MLX5_EVENT_TYPE_WQ_ACCESS_ERROR);
50
51 return mask;
52}
53
54static u64 rq_allowed_event_types(void)
55{
56 u64 mask;
57
58 mask = BIT(MLX5_EVENT_TYPE_SRQ_LAST_WQE) |
59 BIT(MLX5_EVENT_TYPE_WQ_CATAS_ERROR);
60
61 return mask;
62}
63
64static u64 sq_allowed_event_types(void)
65{
66 return BIT(MLX5_EVENT_TYPE_WQ_CATAS_ERROR);
67}
68
69static u64 dct_allowed_event_types(void)
70{
71 return BIT(MLX5_EVENT_TYPE_DCT_DRAINED);
72}
73
74static bool is_event_type_allowed(int rsc_type, int event_type)
75{
76 switch (rsc_type) {
77 case MLX5_EVENT_QUEUE_TYPE_QP:
78 return BIT(event_type) & qp_allowed_event_types();
79 case MLX5_EVENT_QUEUE_TYPE_RQ:
80 return BIT(event_type) & rq_allowed_event_types();
81 case MLX5_EVENT_QUEUE_TYPE_SQ:
82 return BIT(event_type) & sq_allowed_event_types();
83 case MLX5_EVENT_QUEUE_TYPE_DCT:
84 return BIT(event_type) & dct_allowed_event_types();
85 default:
86 WARN(1, "Event arrived for unknown resource type");
87 return false;
88 }
89}
90
91static int rsc_event_notifier(struct notifier_block *nb,
92 unsigned long type, void *data)
93{
94 struct mlx5_core_rsc_common *common;
95 struct mlx5_qp_table *table;
96 struct mlx5_core_dct *dct;
97 u8 event_type = (u8)type;
98 struct mlx5_core_qp *qp;
99 struct mlx5_eqe *eqe;
100 u32 rsn;
101
102 switch (event_type) {
103 case MLX5_EVENT_TYPE_DCT_DRAINED:
104 eqe = data;
105 rsn = be32_to_cpu(eqe->data.dct.dctn) & 0xffffff;
106 rsn |= (MLX5_RES_DCT << MLX5_USER_INDEX_LEN);
107 break;
108 case MLX5_EVENT_TYPE_PATH_MIG:
109 case MLX5_EVENT_TYPE_COMM_EST:
110 case MLX5_EVENT_TYPE_SQ_DRAINED:
111 case MLX5_EVENT_TYPE_SRQ_LAST_WQE:
112 case MLX5_EVENT_TYPE_WQ_CATAS_ERROR:
113 case MLX5_EVENT_TYPE_PATH_MIG_FAILED:
114 case MLX5_EVENT_TYPE_WQ_INVAL_REQ_ERROR:
115 case MLX5_EVENT_TYPE_WQ_ACCESS_ERROR:
116 eqe = data;
117 rsn = be32_to_cpu(eqe->data.qp_srq.qp_srq_n) & 0xffffff;
118 rsn |= (eqe->data.qp_srq.type << MLX5_USER_INDEX_LEN);
119 break;
120 default:
121 return NOTIFY_DONE;
122 }
123
124 table = container_of(nb, struct mlx5_qp_table, nb);
125 common = mlx5_get_rsc(table, rsn);
126 if (!common)
127 return NOTIFY_OK;
128
129 if (!is_event_type_allowed((rsn >> MLX5_USER_INDEX_LEN), event_type))
130 goto out;
131
132 switch (common->res) {
133 case MLX5_RES_QP:
134 case MLX5_RES_RQ:
135 case MLX5_RES_SQ:
136 qp = (struct mlx5_core_qp *)common;
137 qp->event(qp, event_type);
138 break;
139 case MLX5_RES_DCT:
140 dct = (struct mlx5_core_dct *)common;
141 if (event_type == MLX5_EVENT_TYPE_DCT_DRAINED)
142 complete(&dct->drained);
143 break;
144 default:
145 break;
146 }
147out:
148 mlx5_core_put_rsc(common);
149
150 return NOTIFY_OK;
151}
152
153static int create_resource_common(struct mlx5_ib_dev *dev,
154 struct mlx5_core_qp *qp, int rsc_type)
155{
156 struct mlx5_qp_table *table = &dev->qp_table;
157 int err;
158
159 qp->common.res = rsc_type;
160 spin_lock_irq(&table->lock);
161 err = radix_tree_insert(&table->tree,
162 qp->qpn | (rsc_type << MLX5_USER_INDEX_LEN),
163 qp);
164 spin_unlock_irq(&table->lock);
165 if (err)
166 return err;
167
168 refcount_set(&qp->common.refcount, 1);
169 init_completion(&qp->common.free);
170 qp->pid = current->pid;
171
172 return 0;
173}
174
175static void destroy_resource_common(struct mlx5_ib_dev *dev,
176 struct mlx5_core_qp *qp)
177{
178 struct mlx5_qp_table *table = &dev->qp_table;
179 unsigned long flags;
180
181 spin_lock_irqsave(&table->lock, flags);
182 radix_tree_delete(&table->tree,
183 qp->qpn | (qp->common.res << MLX5_USER_INDEX_LEN));
184 spin_unlock_irqrestore(&table->lock, flags);
185 mlx5_core_put_rsc((struct mlx5_core_rsc_common *)qp);
186 wait_for_completion(&qp->common.free);
187}
188
189static int _mlx5_core_destroy_dct(struct mlx5_ib_dev *dev,
190 struct mlx5_core_dct *dct, bool need_cleanup)
191{
192 u32 in[MLX5_ST_SZ_DW(destroy_dct_in)] = {};
193 struct mlx5_core_qp *qp = &dct->mqp;
194 int err;
195
196 err = mlx5_core_drain_dct(dev, dct);
197 if (err) {
198 if (dev->mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR)
199 goto destroy;
200
201 return err;
202 }
203 wait_for_completion(&dct->drained);
204destroy:
205 if (need_cleanup)
206 destroy_resource_common(dev, &dct->mqp);
207 MLX5_SET(destroy_dct_in, in, opcode, MLX5_CMD_OP_DESTROY_DCT);
208 MLX5_SET(destroy_dct_in, in, dctn, qp->qpn);
209 MLX5_SET(destroy_dct_in, in, uid, qp->uid);
210 err = mlx5_cmd_exec_in(dev->mdev, destroy_dct, in);
211 return err;
212}
213
214int mlx5_core_create_dct(struct mlx5_ib_dev *dev, struct mlx5_core_dct *dct,
215 u32 *in, int inlen, u32 *out, int outlen)
216{
217 struct mlx5_core_qp *qp = &dct->mqp;
218 int err;
219
220 init_completion(&dct->drained);
221 MLX5_SET(create_dct_in, in, opcode, MLX5_CMD_OP_CREATE_DCT);
222
223 err = mlx5_cmd_exec(dev->mdev, in, inlen, out, outlen);
224 if (err)
225 return err;
226
227 qp->qpn = MLX5_GET(create_dct_out, out, dctn);
228 qp->uid = MLX5_GET(create_dct_in, in, uid);
229 err = create_resource_common(dev, qp, MLX5_RES_DCT);
230 if (err)
231 goto err_cmd;
232
233 return 0;
234err_cmd:
235 _mlx5_core_destroy_dct(dev, dct, false);
236 return err;
237}
238
239int mlx5_qpc_create_qp(struct mlx5_ib_dev *dev, struct mlx5_core_qp *qp,
240 u32 *in, int inlen, u32 *out)
241{
242 u32 din[MLX5_ST_SZ_DW(destroy_qp_in)] = {};
243 int err;
244
245 MLX5_SET(create_qp_in, in, opcode, MLX5_CMD_OP_CREATE_QP);
246
247 err = mlx5_cmd_exec(dev->mdev, in, inlen, out,
248 MLX5_ST_SZ_BYTES(create_qp_out));
249 if (err)
250 return err;
251
252 qp->uid = MLX5_GET(create_qp_in, in, uid);
253 qp->qpn = MLX5_GET(create_qp_out, out, qpn);
254
255 err = create_resource_common(dev, qp, MLX5_RES_QP);
256 if (err)
257 goto err_cmd;
258
259 mlx5_debug_qp_add(dev->mdev, qp);
260
261 return 0;
262
263err_cmd:
264 MLX5_SET(destroy_qp_in, din, opcode, MLX5_CMD_OP_DESTROY_QP);
265 MLX5_SET(destroy_qp_in, din, qpn, qp->qpn);
266 MLX5_SET(destroy_qp_in, din, uid, qp->uid);
267 mlx5_cmd_exec_in(dev->mdev, destroy_qp, din);
268 return err;
269}
270
271static int mlx5_core_drain_dct(struct mlx5_ib_dev *dev,
272 struct mlx5_core_dct *dct)
273{
274 u32 in[MLX5_ST_SZ_DW(drain_dct_in)] = {};
275 struct mlx5_core_qp *qp = &dct->mqp;
276
277 MLX5_SET(drain_dct_in, in, opcode, MLX5_CMD_OP_DRAIN_DCT);
278 MLX5_SET(drain_dct_in, in, dctn, qp->qpn);
279 MLX5_SET(drain_dct_in, in, uid, qp->uid);
280 return mlx5_cmd_exec_in(dev->mdev, drain_dct, in);
281}
282
283int mlx5_core_destroy_dct(struct mlx5_ib_dev *dev,
284 struct mlx5_core_dct *dct)
285{
286 return _mlx5_core_destroy_dct(dev, dct, true);
287}
288
289int mlx5_core_destroy_qp(struct mlx5_ib_dev *dev, struct mlx5_core_qp *qp)
290{
291 u32 in[MLX5_ST_SZ_DW(destroy_qp_in)] = {};
292
293 mlx5_debug_qp_remove(dev->mdev, qp);
294
295 destroy_resource_common(dev, qp);
296
297 MLX5_SET(destroy_qp_in, in, opcode, MLX5_CMD_OP_DESTROY_QP);
298 MLX5_SET(destroy_qp_in, in, qpn, qp->qpn);
299 MLX5_SET(destroy_qp_in, in, uid, qp->uid);
300 mlx5_cmd_exec_in(dev->mdev, destroy_qp, in);
301 return 0;
302}
303
304int mlx5_core_set_delay_drop(struct mlx5_ib_dev *dev,
305 u32 timeout_usec)
306{
307 u32 in[MLX5_ST_SZ_DW(set_delay_drop_params_in)] = {};
308
309 MLX5_SET(set_delay_drop_params_in, in, opcode,
310 MLX5_CMD_OP_SET_DELAY_DROP_PARAMS);
311 MLX5_SET(set_delay_drop_params_in, in, delay_drop_timeout,
312 timeout_usec / 100);
313 return mlx5_cmd_exec_in(dev->mdev, set_delay_drop_params, in);
314}
315
316struct mbox_info {
317 u32 *in;
318 u32 *out;
319 int inlen;
320 int outlen;
321};
322
323static int mbox_alloc(struct mbox_info *mbox, int inlen, int outlen)
324{
325 mbox->inlen = inlen;
326 mbox->outlen = outlen;
327 mbox->in = kzalloc(mbox->inlen, GFP_KERNEL);
328 mbox->out = kzalloc(mbox->outlen, GFP_KERNEL);
329 if (!mbox->in || !mbox->out) {
330 kfree(mbox->in);
331 kfree(mbox->out);
332 return -ENOMEM;
333 }
334
335 return 0;
336}
337
338static void mbox_free(struct mbox_info *mbox)
339{
340 kfree(mbox->in);
341 kfree(mbox->out);
342}
343
344static int get_ece_from_mbox(void *out, u16 opcode)
345{
346 int ece = 0;
347
348 switch (opcode) {
349 case MLX5_CMD_OP_INIT2INIT_QP:
350 ece = MLX5_GET(init2init_qp_out, out, ece);
351 break;
352 case MLX5_CMD_OP_INIT2RTR_QP:
353 ece = MLX5_GET(init2rtr_qp_out, out, ece);
354 break;
355 case MLX5_CMD_OP_RTR2RTS_QP:
356 ece = MLX5_GET(rtr2rts_qp_out, out, ece);
357 break;
358 case MLX5_CMD_OP_RTS2RTS_QP:
359 ece = MLX5_GET(rts2rts_qp_out, out, ece);
360 break;
361 case MLX5_CMD_OP_RST2INIT_QP:
362 ece = MLX5_GET(rst2init_qp_out, out, ece);
363 break;
364 default:
365 break;
366 }
367
368 return ece;
369}
370
371static int modify_qp_mbox_alloc(struct mlx5_core_dev *dev, u16 opcode, int qpn,
372 u32 opt_param_mask, void *qpc,
373 struct mbox_info *mbox, u16 uid, u32 ece)
374{
375 mbox->out = NULL;
376 mbox->in = NULL;
377
378#define MBOX_ALLOC(mbox, typ) \
379 mbox_alloc(mbox, MLX5_ST_SZ_BYTES(typ##_in), MLX5_ST_SZ_BYTES(typ##_out))
380
381#define MOD_QP_IN_SET(typ, in, _opcode, _qpn, _uid) \
382 do { \
383 MLX5_SET(typ##_in, in, opcode, _opcode); \
384 MLX5_SET(typ##_in, in, qpn, _qpn); \
385 MLX5_SET(typ##_in, in, uid, _uid); \
386 } while (0)
387
388#define MOD_QP_IN_SET_QPC(typ, in, _opcode, _qpn, _opt_p, _qpc, _uid) \
389 do { \
390 MOD_QP_IN_SET(typ, in, _opcode, _qpn, _uid); \
391 MLX5_SET(typ##_in, in, opt_param_mask, _opt_p); \
392 memcpy(MLX5_ADDR_OF(typ##_in, in, qpc), _qpc, \
393 MLX5_ST_SZ_BYTES(qpc)); \
394 } while (0)
395
396 switch (opcode) {
397
398 case MLX5_CMD_OP_2RST_QP:
399 if (MBOX_ALLOC(mbox, qp_2rst))
400 return -ENOMEM;
401 MOD_QP_IN_SET(qp_2rst, mbox->in, opcode, qpn, uid);
402 break;
403 case MLX5_CMD_OP_2ERR_QP:
404 if (MBOX_ALLOC(mbox, qp_2err))
405 return -ENOMEM;
406 MOD_QP_IN_SET(qp_2err, mbox->in, opcode, qpn, uid);
407 break;
408
409
410 case MLX5_CMD_OP_RST2INIT_QP:
411 if (MBOX_ALLOC(mbox, rst2init_qp))
412 return -ENOMEM;
413 MOD_QP_IN_SET_QPC(rst2init_qp, mbox->in, opcode, qpn,
414 opt_param_mask, qpc, uid);
415 MLX5_SET(rst2init_qp_in, mbox->in, ece, ece);
416 break;
417 case MLX5_CMD_OP_INIT2RTR_QP:
418 if (MBOX_ALLOC(mbox, init2rtr_qp))
419 return -ENOMEM;
420 MOD_QP_IN_SET_QPC(init2rtr_qp, mbox->in, opcode, qpn,
421 opt_param_mask, qpc, uid);
422 MLX5_SET(init2rtr_qp_in, mbox->in, ece, ece);
423 break;
424 case MLX5_CMD_OP_RTR2RTS_QP:
425 if (MBOX_ALLOC(mbox, rtr2rts_qp))
426 return -ENOMEM;
427 MOD_QP_IN_SET_QPC(rtr2rts_qp, mbox->in, opcode, qpn,
428 opt_param_mask, qpc, uid);
429 MLX5_SET(rtr2rts_qp_in, mbox->in, ece, ece);
430 break;
431 case MLX5_CMD_OP_RTS2RTS_QP:
432 if (MBOX_ALLOC(mbox, rts2rts_qp))
433 return -ENOMEM;
434 MOD_QP_IN_SET_QPC(rts2rts_qp, mbox->in, opcode, qpn,
435 opt_param_mask, qpc, uid);
436 MLX5_SET(rts2rts_qp_in, mbox->in, ece, ece);
437 break;
438 case MLX5_CMD_OP_SQERR2RTS_QP:
439 if (MBOX_ALLOC(mbox, sqerr2rts_qp))
440 return -ENOMEM;
441 MOD_QP_IN_SET_QPC(sqerr2rts_qp, mbox->in, opcode, qpn,
442 opt_param_mask, qpc, uid);
443 break;
444 case MLX5_CMD_OP_SQD_RTS_QP:
445 if (MBOX_ALLOC(mbox, sqd2rts_qp))
446 return -ENOMEM;
447 MOD_QP_IN_SET_QPC(sqd2rts_qp, mbox->in, opcode, qpn,
448 opt_param_mask, qpc, uid);
449 break;
450 case MLX5_CMD_OP_INIT2INIT_QP:
451 if (MBOX_ALLOC(mbox, init2init_qp))
452 return -ENOMEM;
453 MOD_QP_IN_SET_QPC(init2init_qp, mbox->in, opcode, qpn,
454 opt_param_mask, qpc, uid);
455 MLX5_SET(init2init_qp_in, mbox->in, ece, ece);
456 break;
457 default:
458 return -EINVAL;
459 }
460 return 0;
461}
462
463int mlx5_core_qp_modify(struct mlx5_ib_dev *dev, u16 opcode, u32 opt_param_mask,
464 void *qpc, struct mlx5_core_qp *qp, u32 *ece)
465{
466 struct mbox_info mbox;
467 int err;
468
469 err = modify_qp_mbox_alloc(dev->mdev, opcode, qp->qpn, opt_param_mask,
470 qpc, &mbox, qp->uid, (ece) ? *ece : 0);
471 if (err)
472 return err;
473
474 err = mlx5_cmd_exec(dev->mdev, mbox.in, mbox.inlen, mbox.out,
475 mbox.outlen);
476
477 if (ece)
478 *ece = get_ece_from_mbox(mbox.out, opcode);
479
480 mbox_free(&mbox);
481 return err;
482}
483
484int mlx5_init_qp_table(struct mlx5_ib_dev *dev)
485{
486 struct mlx5_qp_table *table = &dev->qp_table;
487
488 spin_lock_init(&table->lock);
489 INIT_RADIX_TREE(&table->tree, GFP_ATOMIC);
490 mlx5_qp_debugfs_init(dev->mdev);
491
492 table->nb.notifier_call = rsc_event_notifier;
493 mlx5_notifier_register(dev->mdev, &table->nb);
494
495 return 0;
496}
497
498void mlx5_cleanup_qp_table(struct mlx5_ib_dev *dev)
499{
500 struct mlx5_qp_table *table = &dev->qp_table;
501
502 mlx5_notifier_unregister(dev->mdev, &table->nb);
503 mlx5_qp_debugfs_cleanup(dev->mdev);
504}
505
506int mlx5_core_qp_query(struct mlx5_ib_dev *dev, struct mlx5_core_qp *qp,
507 u32 *out, int outlen)
508{
509 u32 in[MLX5_ST_SZ_DW(query_qp_in)] = {};
510
511 MLX5_SET(query_qp_in, in, opcode, MLX5_CMD_OP_QUERY_QP);
512 MLX5_SET(query_qp_in, in, qpn, qp->qpn);
513 return mlx5_cmd_exec(dev->mdev, in, sizeof(in), out, outlen);
514}
515
516int mlx5_core_dct_query(struct mlx5_ib_dev *dev, struct mlx5_core_dct *dct,
517 u32 *out, int outlen)
518{
519 u32 in[MLX5_ST_SZ_DW(query_dct_in)] = {};
520 struct mlx5_core_qp *qp = &dct->mqp;
521
522 MLX5_SET(query_dct_in, in, opcode, MLX5_CMD_OP_QUERY_DCT);
523 MLX5_SET(query_dct_in, in, dctn, qp->qpn);
524
525 return mlx5_cmd_exec(dev->mdev, (void *)&in, sizeof(in), (void *)out,
526 outlen);
527}
528
529int mlx5_core_xrcd_alloc(struct mlx5_ib_dev *dev, u32 *xrcdn)
530{
531 u32 out[MLX5_ST_SZ_DW(alloc_xrcd_out)] = {};
532 u32 in[MLX5_ST_SZ_DW(alloc_xrcd_in)] = {};
533 int err;
534
535 MLX5_SET(alloc_xrcd_in, in, opcode, MLX5_CMD_OP_ALLOC_XRCD);
536 err = mlx5_cmd_exec_inout(dev->mdev, alloc_xrcd, in, out);
537 if (!err)
538 *xrcdn = MLX5_GET(alloc_xrcd_out, out, xrcd);
539 return err;
540}
541
542int mlx5_core_xrcd_dealloc(struct mlx5_ib_dev *dev, u32 xrcdn)
543{
544 u32 in[MLX5_ST_SZ_DW(dealloc_xrcd_in)] = {};
545
546 MLX5_SET(dealloc_xrcd_in, in, opcode, MLX5_CMD_OP_DEALLOC_XRCD);
547 MLX5_SET(dealloc_xrcd_in, in, xrcd, xrcdn);
548 return mlx5_cmd_exec_in(dev->mdev, dealloc_xrcd, in);
549}
550
551static void destroy_rq_tracked(struct mlx5_ib_dev *dev, u32 rqn, u16 uid)
552{
553 u32 in[MLX5_ST_SZ_DW(destroy_rq_in)] = {};
554
555 MLX5_SET(destroy_rq_in, in, opcode, MLX5_CMD_OP_DESTROY_RQ);
556 MLX5_SET(destroy_rq_in, in, rqn, rqn);
557 MLX5_SET(destroy_rq_in, in, uid, uid);
558 mlx5_cmd_exec_in(dev->mdev, destroy_rq, in);
559}
560
561int mlx5_core_create_rq_tracked(struct mlx5_ib_dev *dev, u32 *in, int inlen,
562 struct mlx5_core_qp *rq)
563{
564 int err;
565 u32 rqn;
566
567 err = mlx5_core_create_rq(dev->mdev, in, inlen, &rqn);
568 if (err)
569 return err;
570
571 rq->uid = MLX5_GET(create_rq_in, in, uid);
572 rq->qpn = rqn;
573 err = create_resource_common(dev, rq, MLX5_RES_RQ);
574 if (err)
575 goto err_destroy_rq;
576
577 return 0;
578
579err_destroy_rq:
580 destroy_rq_tracked(dev, rq->qpn, rq->uid);
581
582 return err;
583}
584
585int mlx5_core_destroy_rq_tracked(struct mlx5_ib_dev *dev,
586 struct mlx5_core_qp *rq)
587{
588 destroy_resource_common(dev, rq);
589 destroy_rq_tracked(dev, rq->qpn, rq->uid);
590 return 0;
591}
592
593static void destroy_sq_tracked(struct mlx5_ib_dev *dev, u32 sqn, u16 uid)
594{
595 u32 in[MLX5_ST_SZ_DW(destroy_sq_in)] = {};
596
597 MLX5_SET(destroy_sq_in, in, opcode, MLX5_CMD_OP_DESTROY_SQ);
598 MLX5_SET(destroy_sq_in, in, sqn, sqn);
599 MLX5_SET(destroy_sq_in, in, uid, uid);
600 mlx5_cmd_exec_in(dev->mdev, destroy_sq, in);
601}
602
603int mlx5_core_create_sq_tracked(struct mlx5_ib_dev *dev, u32 *in, int inlen,
604 struct mlx5_core_qp *sq)
605{
606 u32 out[MLX5_ST_SZ_DW(create_sq_out)] = {};
607 int err;
608
609 MLX5_SET(create_sq_in, in, opcode, MLX5_CMD_OP_CREATE_SQ);
610 err = mlx5_cmd_exec(dev->mdev, in, inlen, out, sizeof(out));
611 if (err)
612 return err;
613
614 sq->qpn = MLX5_GET(create_sq_out, out, sqn);
615 sq->uid = MLX5_GET(create_sq_in, in, uid);
616 err = create_resource_common(dev, sq, MLX5_RES_SQ);
617 if (err)
618 goto err_destroy_sq;
619
620 return 0;
621
622err_destroy_sq:
623 destroy_sq_tracked(dev, sq->qpn, sq->uid);
624
625 return err;
626}
627
628void mlx5_core_destroy_sq_tracked(struct mlx5_ib_dev *dev,
629 struct mlx5_core_qp *sq)
630{
631 destroy_resource_common(dev, sq);
632 destroy_sq_tracked(dev, sq->qpn, sq->uid);
633}
634
635struct mlx5_core_rsc_common *mlx5_core_res_hold(struct mlx5_ib_dev *dev,
636 int res_num,
637 enum mlx5_res_type res_type)
638{
639 u32 rsn = res_num | (res_type << MLX5_USER_INDEX_LEN);
640 struct mlx5_qp_table *table = &dev->qp_table;
641
642 return mlx5_get_rsc(table, rsn);
643}
644
645void mlx5_core_res_put(struct mlx5_core_rsc_common *res)
646{
647 mlx5_core_put_rsc(res);
648}
649
