build: make ring mempool driver mandatory
[dpdk.git] / lib / compressdev / rte_compressdev.c
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2017-2018 Intel Corporation
3  */
4
5 #include <string.h>
6 #include <stdio.h>
7 #include <inttypes.h>
8
9 #include <rte_string_fns.h>
10 #include <rte_malloc.h>
11 #include <rte_eal.h>
12 #include <rte_memzone.h>
13
14 #include "rte_compressdev.h"
15 #include "rte_compressdev_internal.h"
16 #include "rte_compressdev_pmd.h"
17
18 #define RTE_COMPRESSDEV_DETACHED  (0)
19 #define RTE_COMPRESSDEV_ATTACHED  (1)
20
21 static struct rte_compressdev rte_comp_devices[RTE_COMPRESS_MAX_DEVS];
22
23 static struct rte_compressdev_global compressdev_globals = {
24                 .devs                   = rte_comp_devices,
25                 .data                   = { NULL },
26                 .nb_devs                = 0,
27                 .max_devs               = RTE_COMPRESS_MAX_DEVS
28 };
29
30 const struct rte_compressdev_capabilities *
31 rte_compressdev_capability_get(uint8_t dev_id,
32                         enum rte_comp_algorithm algo)
33 {
34         const struct rte_compressdev_capabilities *capability;
35         struct rte_compressdev_info dev_info;
36         int i = 0;
37
38         if (dev_id >= compressdev_globals.nb_devs) {
39                 COMPRESSDEV_LOG(ERR, "Invalid dev_id=%d", dev_id);
40                 return NULL;
41         }
42         rte_compressdev_info_get(dev_id, &dev_info);
43
44         while ((capability = &dev_info.capabilities[i++])->algo !=
45                         RTE_COMP_ALGO_UNSPECIFIED){
46                 if (capability->algo == algo)
47                         return capability;
48         }
49
50         return NULL;
51 }
52
53 const char *
54 rte_compressdev_get_feature_name(uint64_t flag)
55 {
56         switch (flag) {
57         case RTE_COMPDEV_FF_HW_ACCELERATED:
58                 return "HW_ACCELERATED";
59         case RTE_COMPDEV_FF_CPU_SSE:
60                 return "CPU_SSE";
61         case RTE_COMPDEV_FF_CPU_AVX:
62                 return "CPU_AVX";
63         case RTE_COMPDEV_FF_CPU_AVX2:
64                 return "CPU_AVX2";
65         case RTE_COMPDEV_FF_CPU_AVX512:
66                 return "CPU_AVX512";
67         case RTE_COMPDEV_FF_CPU_NEON:
68                 return "CPU_NEON";
69         case RTE_COMPDEV_FF_OP_DONE_IN_DEQUEUE:
70                 return "OP_DONE_IN_DEQ";
71         default:
72                 return NULL;
73         }
74 }
75
76 static struct rte_compressdev *
77 rte_compressdev_get_dev(uint8_t dev_id)
78 {
79         return &compressdev_globals.devs[dev_id];
80 }
81
82 struct rte_compressdev *
83 rte_compressdev_pmd_get_named_dev(const char *name)
84 {
85         struct rte_compressdev *dev;
86         unsigned int i;
87
88         if (name == NULL)
89                 return NULL;
90
91         for (i = 0; i < compressdev_globals.max_devs; i++) {
92                 dev = &compressdev_globals.devs[i];
93
94                 if ((dev->attached == RTE_COMPRESSDEV_ATTACHED) &&
95                                 (strcmp(dev->data->name, name) == 0))
96                         return dev;
97         }
98
99         return NULL;
100 }
101
102 static unsigned int
103 rte_compressdev_is_valid_dev(uint8_t dev_id)
104 {
105         struct rte_compressdev *dev = NULL;
106
107         if (dev_id >= compressdev_globals.nb_devs)
108                 return 0;
109
110         dev = rte_compressdev_get_dev(dev_id);
111         if (dev->attached != RTE_COMPRESSDEV_ATTACHED)
112                 return 0;
113         else
114                 return 1;
115 }
116
117
118 int
119 rte_compressdev_get_dev_id(const char *name)
120 {
121         unsigned int i;
122
123         if (name == NULL)
124                 return -1;
125
126         for (i = 0; i < compressdev_globals.nb_devs; i++)
127                 if ((strcmp(compressdev_globals.devs[i].data->name, name)
128                                 == 0) &&
129                                 (compressdev_globals.devs[i].attached ==
130                                                 RTE_COMPRESSDEV_ATTACHED))
131                         return i;
132
133         return -1;
134 }
135
136 uint8_t
137 rte_compressdev_count(void)
138 {
139         return compressdev_globals.nb_devs;
140 }
141
142 uint8_t
143 rte_compressdev_devices_get(const char *driver_name, uint8_t *devices,
144         uint8_t nb_devices)
145 {
146         uint8_t i, count = 0;
147         struct rte_compressdev *devs = compressdev_globals.devs;
148         uint8_t max_devs = compressdev_globals.max_devs;
149
150         for (i = 0; i < max_devs && count < nb_devices; i++) {
151
152                 if (devs[i].attached == RTE_COMPRESSDEV_ATTACHED) {
153                         int cmp;
154
155                         cmp = strncmp(devs[i].device->driver->name,
156                                         driver_name,
157                                         strlen(driver_name));
158
159                         if (cmp == 0)
160                                 devices[count++] = devs[i].data->dev_id;
161                 }
162         }
163
164         return count;
165 }
166
167 int
168 rte_compressdev_socket_id(uint8_t dev_id)
169 {
170         struct rte_compressdev *dev;
171
172         if (!rte_compressdev_is_valid_dev(dev_id))
173                 return -1;
174
175         dev = rte_compressdev_get_dev(dev_id);
176
177         return dev->data->socket_id;
178 }
179
180 static inline int
181 rte_compressdev_data_alloc(uint8_t dev_id, struct rte_compressdev_data **data,
182                 int socket_id)
183 {
184         char mz_name[RTE_COMPRESSDEV_NAME_MAX_LEN];
185         const struct rte_memzone *mz;
186         int n;
187
188         /* generate memzone name */
189         n = snprintf(mz_name, sizeof(mz_name),
190                         "rte_compressdev_data_%u", dev_id);
191         if (n >= (int)sizeof(mz_name))
192                 return -EINVAL;
193
194         if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
195                 mz = rte_memzone_reserve(mz_name,
196                                 sizeof(struct rte_compressdev_data),
197                                 socket_id, 0);
198         } else
199                 mz = rte_memzone_lookup(mz_name);
200
201         if (mz == NULL)
202                 return -ENOMEM;
203
204         *data = mz->addr;
205         if (rte_eal_process_type() == RTE_PROC_PRIMARY)
206                 memset(*data, 0, sizeof(struct rte_compressdev_data));
207
208         return 0;
209 }
210
211 static uint8_t
212 rte_compressdev_find_free_device_index(void)
213 {
214         uint8_t dev_id;
215
216         for (dev_id = 0; dev_id < RTE_COMPRESS_MAX_DEVS; dev_id++) {
217                 if (rte_comp_devices[dev_id].attached ==
218                                 RTE_COMPRESSDEV_DETACHED)
219                         return dev_id;
220         }
221         return RTE_COMPRESS_MAX_DEVS;
222 }
223
224 struct rte_compressdev *
225 rte_compressdev_pmd_allocate(const char *name, int socket_id)
226 {
227         struct rte_compressdev *compressdev;
228         uint8_t dev_id;
229
230         if (rte_compressdev_pmd_get_named_dev(name) != NULL) {
231                 COMPRESSDEV_LOG(ERR,
232                         "comp device with name %s already allocated!", name);
233                 return NULL;
234         }
235
236         dev_id = rte_compressdev_find_free_device_index();
237         if (dev_id == RTE_COMPRESS_MAX_DEVS) {
238                 COMPRESSDEV_LOG(ERR, "Reached maximum number of comp devices");
239                 return NULL;
240         }
241         compressdev = rte_compressdev_get_dev(dev_id);
242
243         if (compressdev->data == NULL) {
244                 struct rte_compressdev_data *compressdev_data =
245                                 compressdev_globals.data[dev_id];
246
247                 int retval = rte_compressdev_data_alloc(dev_id,
248                                 &compressdev_data, socket_id);
249
250                 if (retval < 0 || compressdev_data == NULL)
251                         return NULL;
252
253                 compressdev->data = compressdev_data;
254
255                 strlcpy(compressdev->data->name, name,
256                         RTE_COMPRESSDEV_NAME_MAX_LEN);
257
258                 compressdev->data->dev_id = dev_id;
259                 compressdev->data->socket_id = socket_id;
260                 compressdev->data->dev_started = 0;
261
262                 compressdev->attached = RTE_COMPRESSDEV_ATTACHED;
263
264                 compressdev_globals.nb_devs++;
265         }
266
267         return compressdev;
268 }
269
270 int
271 rte_compressdev_pmd_release_device(struct rte_compressdev *compressdev)
272 {
273         int ret;
274
275         if (compressdev == NULL)
276                 return -EINVAL;
277
278         /* Close device only if device operations have been set */
279         if (compressdev->dev_ops) {
280                 ret = rte_compressdev_close(compressdev->data->dev_id);
281                 if (ret < 0)
282                         return ret;
283         }
284
285         compressdev->attached = RTE_COMPRESSDEV_DETACHED;
286         compressdev_globals.nb_devs--;
287         return 0;
288 }
289
290 uint16_t
291 rte_compressdev_queue_pair_count(uint8_t dev_id)
292 {
293         struct rte_compressdev *dev;
294
295         dev = &rte_comp_devices[dev_id];
296         return dev->data->nb_queue_pairs;
297 }
298
299 static int
300 rte_compressdev_queue_pairs_config(struct rte_compressdev *dev,
301                 uint16_t nb_qpairs, int socket_id)
302 {
303         struct rte_compressdev_info dev_info;
304         void **qp;
305         unsigned int i;
306
307         if ((dev == NULL) || (nb_qpairs < 1)) {
308                 COMPRESSDEV_LOG(ERR, "invalid param: dev %p, nb_queues %u",
309                                                         dev, nb_qpairs);
310                 return -EINVAL;
311         }
312
313         COMPRESSDEV_LOG(DEBUG, "Setup %d queues pairs on device %u",
314                         nb_qpairs, dev->data->dev_id);
315
316         memset(&dev_info, 0, sizeof(struct rte_compressdev_info));
317
318         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
319         (*dev->dev_ops->dev_infos_get)(dev, &dev_info);
320
321         if ((dev_info.max_nb_queue_pairs != 0) &&
322                         (nb_qpairs > dev_info.max_nb_queue_pairs)) {
323                 COMPRESSDEV_LOG(ERR, "Invalid num queue_pairs (%u) for dev %u",
324                                 nb_qpairs, dev->data->dev_id);
325                 return -EINVAL;
326         }
327
328         if (dev->data->queue_pairs == NULL) { /* first time configuration */
329                 dev->data->queue_pairs = rte_zmalloc_socket(
330                                 "compressdev->queue_pairs",
331                                 sizeof(dev->data->queue_pairs[0]) * nb_qpairs,
332                                 RTE_CACHE_LINE_SIZE, socket_id);
333
334                 if (dev->data->queue_pairs == NULL) {
335                         dev->data->nb_queue_pairs = 0;
336                         COMPRESSDEV_LOG(ERR,
337                         "failed to get memory for qp meta data, nb_queues %u",
338                                                         nb_qpairs);
339                         return -(ENOMEM);
340                 }
341         } else { /* re-configure */
342                 int ret;
343                 uint16_t old_nb_queues = dev->data->nb_queue_pairs;
344
345                 qp = dev->data->queue_pairs;
346
347                 RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_release,
348                                 -ENOTSUP);
349
350                 for (i = nb_qpairs; i < old_nb_queues; i++) {
351                         ret = (*dev->dev_ops->queue_pair_release)(dev, i);
352                         if (ret < 0)
353                                 return ret;
354                 }
355
356                 qp = rte_realloc(qp, sizeof(qp[0]) * nb_qpairs,
357                                 RTE_CACHE_LINE_SIZE);
358                 if (qp == NULL) {
359                         COMPRESSDEV_LOG(ERR,
360                         "failed to realloc qp meta data, nb_queues %u",
361                                                 nb_qpairs);
362                         return -(ENOMEM);
363                 }
364
365                 if (nb_qpairs > old_nb_queues) {
366                         uint16_t new_qs = nb_qpairs - old_nb_queues;
367
368                         memset(qp + old_nb_queues, 0,
369                                 sizeof(qp[0]) * new_qs);
370                 }
371
372                 dev->data->queue_pairs = qp;
373
374         }
375         dev->data->nb_queue_pairs = nb_qpairs;
376         return 0;
377 }
378
379 static int
380 rte_compressdev_queue_pairs_release(struct rte_compressdev *dev)
381 {
382         uint16_t num_qps, i;
383         int ret;
384
385         if (dev == NULL) {
386                 COMPRESSDEV_LOG(ERR, "invalid param: dev %p", dev);
387                 return -EINVAL;
388         }
389
390         num_qps = dev->data->nb_queue_pairs;
391
392         if (num_qps == 0)
393                 return 0;
394
395         COMPRESSDEV_LOG(DEBUG, "Free %d queues pairs on device %u",
396                         dev->data->nb_queue_pairs, dev->data->dev_id);
397
398         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_release,
399                                 -ENOTSUP);
400
401         for (i = 0; i < num_qps; i++) {
402                 ret = (*dev->dev_ops->queue_pair_release)(dev, i);
403                 if (ret < 0)
404                         return ret;
405         }
406
407         rte_free(dev->data->queue_pairs);
408         dev->data->queue_pairs = NULL;
409         dev->data->nb_queue_pairs = 0;
410
411         return 0;
412 }
413
414 int
415 rte_compressdev_configure(uint8_t dev_id, struct rte_compressdev_config *config)
416 {
417         struct rte_compressdev *dev;
418         int diag;
419
420         if (!rte_compressdev_is_valid_dev(dev_id)) {
421                 COMPRESSDEV_LOG(ERR, "Invalid dev_id=%" PRIu8, dev_id);
422                 return -EINVAL;
423         }
424
425         dev = &rte_comp_devices[dev_id];
426
427         if (dev->data->dev_started) {
428                 COMPRESSDEV_LOG(ERR,
429                     "device %d must be stopped to allow configuration", dev_id);
430                 return -EBUSY;
431         }
432
433         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
434
435         /* Setup new number of queue pairs and reconfigure device. */
436         diag = rte_compressdev_queue_pairs_config(dev, config->nb_queue_pairs,
437                         config->socket_id);
438         if (diag != 0) {
439                 COMPRESSDEV_LOG(ERR,
440                         "dev%d rte_comp_dev_queue_pairs_config = %d",
441                                 dev_id, diag);
442                 return diag;
443         }
444
445         return (*dev->dev_ops->dev_configure)(dev, config);
446 }
447
448 int
449 rte_compressdev_start(uint8_t dev_id)
450 {
451         struct rte_compressdev *dev;
452         int diag;
453
454         COMPRESSDEV_LOG(DEBUG, "Start dev_id=%" PRIu8, dev_id);
455
456         if (!rte_compressdev_is_valid_dev(dev_id)) {
457                 COMPRESSDEV_LOG(ERR, "Invalid dev_id=%" PRIu8, dev_id);
458                 return -EINVAL;
459         }
460
461         dev = &rte_comp_devices[dev_id];
462
463         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP);
464
465         if (dev->data->dev_started != 0) {
466                 COMPRESSDEV_LOG(ERR,
467                     "Device with dev_id=%" PRIu8 " already started", dev_id);
468                 return 0;
469         }
470
471         diag = (*dev->dev_ops->dev_start)(dev);
472         if (diag == 0)
473                 dev->data->dev_started = 1;
474         else
475                 return diag;
476
477         return 0;
478 }
479
480 void
481 rte_compressdev_stop(uint8_t dev_id)
482 {
483         struct rte_compressdev *dev;
484
485         if (!rte_compressdev_is_valid_dev(dev_id)) {
486                 COMPRESSDEV_LOG(ERR, "Invalid dev_id=%" PRIu8, dev_id);
487                 return;
488         }
489
490         dev = &rte_comp_devices[dev_id];
491
492         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop);
493
494         if (dev->data->dev_started == 0) {
495                 COMPRESSDEV_LOG(ERR,
496                     "Device with dev_id=%" PRIu8 " already stopped", dev_id);
497                 return;
498         }
499
500         (*dev->dev_ops->dev_stop)(dev);
501         dev->data->dev_started = 0;
502 }
503
504 int
505 rte_compressdev_close(uint8_t dev_id)
506 {
507         struct rte_compressdev *dev;
508         int retval;
509
510         if (!rte_compressdev_is_valid_dev(dev_id)) {
511                 COMPRESSDEV_LOG(ERR, "Invalid dev_id=%" PRIu8, dev_id);
512                 return -1;
513         }
514
515         dev = &rte_comp_devices[dev_id];
516
517         /* Device must be stopped before it can be closed */
518         if (dev->data->dev_started == 1) {
519                 COMPRESSDEV_LOG(ERR, "Device %u must be stopped before closing",
520                                 dev_id);
521                 return -EBUSY;
522         }
523
524         /* Free queue pairs memory */
525         retval = rte_compressdev_queue_pairs_release(dev);
526
527         if (retval < 0)
528                 return retval;
529
530         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP);
531         retval = (*dev->dev_ops->dev_close)(dev);
532
533         if (retval < 0)
534                 return retval;
535
536         return 0;
537 }
538
539 int
540 rte_compressdev_queue_pair_setup(uint8_t dev_id, uint16_t queue_pair_id,
541                 uint32_t max_inflight_ops, int socket_id)
542 {
543         struct rte_compressdev *dev;
544
545         if (!rte_compressdev_is_valid_dev(dev_id)) {
546                 COMPRESSDEV_LOG(ERR, "Invalid dev_id=%" PRIu8, dev_id);
547                 return -EINVAL;
548         }
549
550         dev = &rte_comp_devices[dev_id];
551         if (queue_pair_id >= dev->data->nb_queue_pairs) {
552                 COMPRESSDEV_LOG(ERR, "Invalid queue_pair_id=%d", queue_pair_id);
553                 return -EINVAL;
554         }
555
556         if (dev->data->dev_started) {
557                 COMPRESSDEV_LOG(ERR,
558                     "device %d must be stopped to allow configuration", dev_id);
559                 return -EBUSY;
560         }
561
562         if (max_inflight_ops == 0) {
563                 COMPRESSDEV_LOG(ERR,
564                         "Invalid maximum number of inflight operations");
565                 return -EINVAL;
566         }
567
568         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_setup, -ENOTSUP);
569
570         return (*dev->dev_ops->queue_pair_setup)(dev, queue_pair_id,
571                         max_inflight_ops, socket_id);
572 }
573
574 uint16_t
575 rte_compressdev_dequeue_burst(uint8_t dev_id, uint16_t qp_id,
576                 struct rte_comp_op **ops, uint16_t nb_ops)
577 {
578         struct rte_compressdev *dev = &rte_comp_devices[dev_id];
579
580         nb_ops = (*dev->dequeue_burst)
581                         (dev->data->queue_pairs[qp_id], ops, nb_ops);
582
583         return nb_ops;
584 }
585
586 uint16_t
587 rte_compressdev_enqueue_burst(uint8_t dev_id, uint16_t qp_id,
588                 struct rte_comp_op **ops, uint16_t nb_ops)
589 {
590         struct rte_compressdev *dev = &rte_comp_devices[dev_id];
591
592         return (*dev->enqueue_burst)(
593                         dev->data->queue_pairs[qp_id], ops, nb_ops);
594 }
595
596 int
597 rte_compressdev_stats_get(uint8_t dev_id, struct rte_compressdev_stats *stats)
598 {
599         struct rte_compressdev *dev;
600
601         if (!rte_compressdev_is_valid_dev(dev_id)) {
602                 COMPRESSDEV_LOG(ERR, "Invalid dev_id=%d", dev_id);
603                 return -ENODEV;
604         }
605
606         if (stats == NULL) {
607                 COMPRESSDEV_LOG(ERR, "Invalid stats ptr");
608                 return -EINVAL;
609         }
610
611         dev = &rte_comp_devices[dev_id];
612         memset(stats, 0, sizeof(*stats));
613
614         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
615         (*dev->dev_ops->stats_get)(dev, stats);
616         return 0;
617 }
618
619 void
620 rte_compressdev_stats_reset(uint8_t dev_id)
621 {
622         struct rte_compressdev *dev;
623
624         if (!rte_compressdev_is_valid_dev(dev_id)) {
625                 COMPRESSDEV_LOG(ERR, "Invalid dev_id=%" PRIu8, dev_id);
626                 return;
627         }
628
629         dev = &rte_comp_devices[dev_id];
630
631         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->stats_reset);
632         (*dev->dev_ops->stats_reset)(dev);
633 }
634
635
636 void
637 rte_compressdev_info_get(uint8_t dev_id, struct rte_compressdev_info *dev_info)
638 {
639         struct rte_compressdev *dev;
640
641         if (dev_id >= compressdev_globals.nb_devs) {
642                 COMPRESSDEV_LOG(ERR, "Invalid dev_id=%d", dev_id);
643                 return;
644         }
645
646         dev = &rte_comp_devices[dev_id];
647
648         memset(dev_info, 0, sizeof(struct rte_compressdev_info));
649
650         RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_infos_get);
651         (*dev->dev_ops->dev_infos_get)(dev, dev_info);
652
653         dev_info->driver_name = dev->device->driver->name;
654 }
655
656 int
657 rte_compressdev_private_xform_create(uint8_t dev_id,
658                 const struct rte_comp_xform *xform,
659                 void **priv_xform)
660 {
661         struct rte_compressdev *dev;
662         int ret;
663
664         dev = rte_compressdev_get_dev(dev_id);
665
666         if (xform == NULL || priv_xform == NULL || dev == NULL)
667                 return -EINVAL;
668
669         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->private_xform_create, -ENOTSUP);
670         ret = (*dev->dev_ops->private_xform_create)(dev, xform, priv_xform);
671         if (ret < 0) {
672                 COMPRESSDEV_LOG(ERR,
673                         "dev_id %d failed to create private_xform: err=%d",
674                         dev_id, ret);
675                 return ret;
676         };
677
678         return 0;
679 }
680
681 int
682 rte_compressdev_private_xform_free(uint8_t dev_id, void *priv_xform)
683 {
684         struct rte_compressdev *dev;
685         int ret;
686
687         dev = rte_compressdev_get_dev(dev_id);
688
689         if (dev == NULL || priv_xform == NULL)
690                 return -EINVAL;
691
692         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->private_xform_free, -ENOTSUP);
693         ret = dev->dev_ops->private_xform_free(dev, priv_xform);
694         if (ret < 0) {
695                 COMPRESSDEV_LOG(ERR,
696                         "dev_id %d failed to free private xform: err=%d",
697                         dev_id, ret);
698                 return ret;
699         };
700
701         return 0;
702 }
703
704 int
705 rte_compressdev_stream_create(uint8_t dev_id,
706                 const struct rte_comp_xform *xform,
707                 void **stream)
708 {
709         struct rte_compressdev *dev;
710         int ret;
711
712         dev = rte_compressdev_get_dev(dev_id);
713
714         if (xform == NULL || dev == NULL || stream == NULL)
715                 return -EINVAL;
716
717         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stream_create, -ENOTSUP);
718         ret = (*dev->dev_ops->stream_create)(dev, xform, stream);
719         if (ret < 0) {
720                 COMPRESSDEV_LOG(ERR,
721                         "dev_id %d failed to create stream: err=%d",
722                         dev_id, ret);
723                 return ret;
724         };
725
726         return 0;
727 }
728
729
730 int
731 rte_compressdev_stream_free(uint8_t dev_id, void *stream)
732 {
733         struct rte_compressdev *dev;
734         int ret;
735
736         dev = rte_compressdev_get_dev(dev_id);
737
738         if (dev == NULL || stream == NULL)
739                 return -EINVAL;
740
741         RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stream_free, -ENOTSUP);
742         ret = dev->dev_ops->stream_free(dev, stream);
743         if (ret < 0) {
744                 COMPRESSDEV_LOG(ERR,
745                         "dev_id %d failed to free stream: err=%d",
746                         dev_id, ret);
747                 return ret;
748         };
749
750         return 0;
751 }
752
753 const char *
754 rte_compressdev_name_get(uint8_t dev_id)
755 {
756         struct rte_compressdev *dev = rte_compressdev_get_dev(dev_id);
757
758         if (dev == NULL)
759                 return NULL;
760
761         return dev->data->name;
762 }
763
764 RTE_LOG_REGISTER_DEFAULT(compressdev_logtype, NOTICE);