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