xref: /spdk/test/unit/lib/bdev/vbdev_lvol.c/vbdev_lvol_ut.c (revision 8fb123553a690dca615baec02990aa0dc2c655d0)
1 /*-
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32  */
33 
34 #include "spdk_cunit.h"
35 #include "spdk/string.h"
36 
37 #include "bdev/lvol/vbdev_lvol.c"
38 
39 #define SPDK_BS_PAGE_SIZE 0x1000
40 
41 int g_lvolerrno;
42 int g_lvserrno;
43 int g_cluster_size;
44 int g_registered_bdevs;
45 int g_num_lvols = 0;
46 struct spdk_lvol_store *g_lvs = NULL;
47 struct spdk_lvol *g_lvol = NULL;
48 struct lvol_store_bdev *g_lvs_bdev = NULL;
49 struct spdk_bdev *g_base_bdev = NULL;
50 struct spdk_bdev_io *g_io = NULL;
51 struct spdk_io_channel *g_ch = NULL;
52 struct lvol_task *g_task = NULL;
53 
54 static struct spdk_bdev g_bdev = {};
55 static struct spdk_lvol_store *g_lvol_store = NULL;
56 bool lvol_store_initialize_fail = false;
57 bool lvol_store_initialize_cb_fail = false;
58 bool lvol_already_opened = false;
59 bool g_examine_done = false;
60 bool g_bdev_alias_already_exists = false;
61 bool g_lvs_with_name_already_exists = false;
62 bool g_lvol_deletable = true;
63 
64 int
65 spdk_bdev_alias_add(struct spdk_bdev *bdev, const char *alias)
66 {
67 	struct spdk_bdev_alias *tmp;
68 
69 	CU_ASSERT(alias != NULL);
70 	CU_ASSERT(bdev != NULL);
71 	if (g_bdev_alias_already_exists) {
72 		return -EEXIST;
73 	}
74 
75 	tmp = calloc(1, sizeof(*tmp));
76 	SPDK_CU_ASSERT_FATAL(tmp != NULL);
77 
78 	tmp->alias = strdup(alias);
79 	SPDK_CU_ASSERT_FATAL(tmp->alias != NULL);
80 
81 	TAILQ_INSERT_TAIL(&bdev->aliases, tmp, tailq);
82 
83 	return 0;
84 }
85 
86 int
87 spdk_bdev_alias_del(struct spdk_bdev *bdev, const char *alias)
88 {
89 	struct spdk_bdev_alias *tmp;
90 
91 	CU_ASSERT(alias != NULL);
92 	CU_ASSERT(bdev != NULL);
93 
94 	TAILQ_FOREACH(tmp, &bdev->aliases, tailq) {
95 		if (strncmp(alias, tmp->alias, SPDK_LVOL_NAME_MAX) == 0) {
96 			TAILQ_REMOVE(&bdev->aliases, tmp, tailq);
97 			free(tmp->alias);
98 			free(tmp);
99 			return 0;
100 		}
101 	}
102 
103 	return -ENOENT;
104 }
105 
106 void
107 spdk_bdev_alias_del_all(struct spdk_bdev *bdev)
108 {
109 	struct spdk_bdev_alias *p, *tmp;
110 
111 	TAILQ_FOREACH_SAFE(p, &bdev->aliases, tailq, tmp) {
112 		TAILQ_REMOVE(&bdev->aliases, p, tailq);
113 		free(p->alias);
114 		free(p);
115 	}
116 }
117 
118 void
119 spdk_bdev_destruct_done(struct spdk_bdev *bdev, int bdeverrno)
120 {
121 }
122 
123 void
124 spdk_lvs_rename(struct spdk_lvol_store *lvs, const char *new_name,
125 		spdk_lvs_op_complete cb_fn, void *cb_arg)
126 {
127 	if (g_lvs_with_name_already_exists) {
128 		g_lvolerrno = -EEXIST;
129 	} else {
130 		snprintf(lvs->name, sizeof(lvs->name), "%s", new_name);
131 		g_lvolerrno = 0;
132 	}
133 
134 	cb_fn(cb_arg, g_lvolerrno);
135 }
136 
137 void
138 spdk_lvol_rename(struct spdk_lvol *lvol, const char *new_name,
139 		 spdk_lvol_op_complete cb_fn, void *cb_arg)
140 {
141 	struct spdk_lvol *tmp;
142 
143 	if (strncmp(lvol->name, new_name, SPDK_LVOL_NAME_MAX) == 0) {
144 		cb_fn(cb_arg, 0);
145 		return;
146 	}
147 
148 	TAILQ_FOREACH(tmp, &lvol->lvol_store->lvols, link) {
149 		if (strncmp(tmp->name, new_name, SPDK_LVOL_NAME_MAX) == 0) {
150 			SPDK_ERRLOG("Lvol %s already exists in lvol store %s\n", new_name, lvol->lvol_store->name);
151 			cb_fn(cb_arg, -EEXIST);
152 			return;
153 		}
154 	}
155 
156 	snprintf(lvol->name, sizeof(lvol->name), "%s", new_name);
157 
158 	cb_fn(cb_arg, g_lvolerrno);
159 }
160 
161 void
162 spdk_lvol_open(struct spdk_lvol *lvol, spdk_lvol_op_with_handle_complete cb_fn, void *cb_arg)
163 {
164 	cb_fn(cb_arg, lvol, g_lvolerrno);
165 }
166 
167 uint64_t
168 spdk_blob_get_num_clusters(struct spdk_blob *b)
169 {
170 	return 0;
171 }
172 
173 int
174 spdk_blob_get_clones(struct spdk_blob_store *bs, spdk_blob_id blobid, spdk_blob_id *ids,
175 		     size_t *count)
176 {
177 	*count = 0;
178 	return 0;
179 }
180 
181 spdk_blob_id
182 spdk_blob_get_parent_snapshot(struct spdk_blob_store *bs, spdk_blob_id blobid)
183 {
184 	return 0;
185 }
186 
187 bool g_blob_is_read_only = false;
188 
189 bool
190 spdk_blob_is_read_only(struct spdk_blob *blob)
191 {
192 	return g_blob_is_read_only;
193 }
194 
195 bool
196 spdk_blob_is_snapshot(struct spdk_blob *blob)
197 {
198 	return false;
199 }
200 
201 bool
202 spdk_blob_is_clone(struct spdk_blob *blob)
203 {
204 	return false;
205 }
206 
207 bool
208 spdk_blob_is_thin_provisioned(struct spdk_blob *blob)
209 {
210 	return false;
211 }
212 
213 static struct spdk_lvol *_lvol_create(struct spdk_lvol_store *lvs);
214 
215 void
216 spdk_lvs_load(struct spdk_bs_dev *dev,
217 	      spdk_lvs_op_with_handle_complete cb_fn, void *cb_arg)
218 {
219 	struct spdk_lvol_store *lvs = NULL;
220 	int i;
221 	int lvserrno = g_lvserrno;
222 
223 	if (lvserrno != 0) {
224 		/* On error blobstore destroys bs_dev itself,
225 		 * by puttin back io channels.
226 		 * This operation is asynchronous, and completed
227 		 * after calling the callback for lvol. */
228 		cb_fn(cb_arg, g_lvol_store, lvserrno);
229 		dev->destroy(dev);
230 		return;
231 	}
232 
233 	lvs = calloc(1, sizeof(*lvs));
234 	SPDK_CU_ASSERT_FATAL(lvs != NULL);
235 	TAILQ_INIT(&lvs->lvols);
236 	TAILQ_INIT(&lvs->pending_lvols);
237 	spdk_uuid_generate(&lvs->uuid);
238 	lvs->bs_dev = dev;
239 	for (i = 0; i < g_num_lvols; i++) {
240 		_lvol_create(lvs);
241 	}
242 
243 	cb_fn(cb_arg, lvs, lvserrno);
244 }
245 
246 int
247 spdk_bs_bdev_claim(struct spdk_bs_dev *bs_dev, struct spdk_bdev_module *module)
248 {
249 	if (lvol_already_opened == true) {
250 		return -1;
251 	}
252 
253 	lvol_already_opened = true;
254 
255 	return 0;
256 }
257 
258 void
259 spdk_bdev_unregister(struct spdk_bdev *vbdev, spdk_bdev_unregister_cb cb_fn, void *cb_arg)
260 {
261 	int rc;
262 
263 	SPDK_CU_ASSERT_FATAL(vbdev != NULL);
264 	rc = vbdev->fn_table->destruct(vbdev->ctxt);
265 
266 	SPDK_CU_ASSERT_FATAL(cb_fn != NULL);
267 	cb_fn(cb_arg, rc);
268 }
269 
270 void
271 spdk_bdev_module_finish_done(void)
272 {
273 	return;
274 }
275 
276 uint64_t
277 spdk_bs_get_page_size(struct spdk_blob_store *bs)
278 {
279 	return SPDK_BS_PAGE_SIZE;
280 }
281 
282 uint64_t
283 spdk_bs_get_io_unit_size(struct spdk_blob_store *bs)
284 {
285 	return SPDK_BS_PAGE_SIZE;
286 }
287 
288 static void
289 bdev_blob_destroy(struct spdk_bs_dev *bs_dev)
290 {
291 	CU_ASSERT(bs_dev != NULL);
292 	free(bs_dev);
293 	lvol_already_opened = false;
294 }
295 
296 struct spdk_bs_dev *
297 spdk_bdev_create_bs_dev(struct spdk_bdev *bdev, spdk_bdev_remove_cb_t remove_cb, void *remove_ctx)
298 {
299 	struct spdk_bs_dev *bs_dev;
300 
301 	if (lvol_already_opened == true || bdev == NULL) {
302 		return NULL;
303 	}
304 
305 	bs_dev = calloc(1, sizeof(*bs_dev));
306 	SPDK_CU_ASSERT_FATAL(bs_dev != NULL);
307 	bs_dev->destroy = bdev_blob_destroy;
308 
309 	return bs_dev;
310 }
311 
312 void
313 spdk_lvs_opts_init(struct spdk_lvs_opts *opts)
314 {
315 }
316 
317 int
318 spdk_lvs_init(struct spdk_bs_dev *bs_dev, struct spdk_lvs_opts *o,
319 	      spdk_lvs_op_with_handle_complete cb_fn, void *cb_arg)
320 {
321 	struct spdk_lvol_store *lvs;
322 	int error = 0;
323 
324 	if (lvol_store_initialize_fail) {
325 		return -1;
326 	}
327 
328 	if (lvol_store_initialize_cb_fail) {
329 		bs_dev->destroy(bs_dev);
330 		lvs = NULL;
331 		error = -1;
332 	} else {
333 		lvs = calloc(1, sizeof(*lvs));
334 		SPDK_CU_ASSERT_FATAL(lvs != NULL);
335 		TAILQ_INIT(&lvs->lvols);
336 		TAILQ_INIT(&lvs->pending_lvols);
337 		spdk_uuid_generate(&lvs->uuid);
338 		snprintf(lvs->name, sizeof(lvs->name), "%s", o->name);
339 		lvs->bs_dev = bs_dev;
340 		error = 0;
341 	}
342 	cb_fn(cb_arg, lvs, error);
343 
344 	return 0;
345 }
346 
347 int
348 spdk_lvs_unload(struct spdk_lvol_store *lvs, spdk_lvs_op_complete cb_fn, void *cb_arg)
349 {
350 	struct spdk_lvol *lvol, *tmp;
351 
352 	TAILQ_FOREACH_SAFE(lvol, &lvs->lvols, link, tmp) {
353 		TAILQ_REMOVE(&lvs->lvols, lvol, link);
354 		free(lvol->unique_id);
355 		free(lvol);
356 	}
357 	g_lvol_store = NULL;
358 
359 	lvs->bs_dev->destroy(lvs->bs_dev);
360 	free(lvs);
361 
362 	if (cb_fn != NULL) {
363 		cb_fn(cb_arg, 0);
364 	}
365 
366 	return 0;
367 }
368 
369 int
370 spdk_lvs_destroy(struct spdk_lvol_store *lvs, spdk_lvs_op_complete cb_fn,
371 		 void *cb_arg)
372 {
373 	struct spdk_lvol *lvol, *tmp;
374 	char *alias;
375 
376 	TAILQ_FOREACH_SAFE(lvol, &lvs->lvols, link, tmp) {
377 		TAILQ_REMOVE(&lvs->lvols, lvol, link);
378 
379 		alias = spdk_sprintf_alloc("%s/%s", lvs->name, lvol->name);
380 		if (alias == NULL) {
381 			SPDK_ERRLOG("Cannot alloc memory for alias\n");
382 			return -1;
383 		}
384 		spdk_bdev_alias_del(lvol->bdev, alias);
385 
386 		free(alias);
387 		free(lvol->unique_id);
388 		free(lvol);
389 	}
390 	g_lvol_store = NULL;
391 
392 	lvs->bs_dev->destroy(lvs->bs_dev);
393 	free(lvs);
394 
395 	if (cb_fn != NULL) {
396 		cb_fn(cb_arg, 0);
397 	}
398 
399 	return 0;
400 }
401 
402 void
403 spdk_lvol_resize(struct spdk_lvol *lvol, size_t sz,  spdk_lvol_op_complete cb_fn, void *cb_arg)
404 {
405 	cb_fn(cb_arg, 0);
406 }
407 
408 int
409 spdk_bdev_notify_blockcnt_change(struct spdk_bdev *bdev, uint64_t size)
410 {
411 	bdev->blockcnt = size;
412 	return 0;
413 }
414 
415 uint64_t
416 spdk_bs_get_cluster_size(struct spdk_blob_store *bs)
417 {
418 	return g_cluster_size;
419 }
420 
421 struct spdk_bdev *
422 spdk_bdev_get_by_name(const char *bdev_name)
423 {
424 	if (!strcmp(g_base_bdev->name, bdev_name)) {
425 		return g_base_bdev;
426 	}
427 
428 	return NULL;
429 }
430 
431 void
432 spdk_lvol_close(struct spdk_lvol *lvol, spdk_lvol_op_complete cb_fn, void *cb_arg)
433 {
434 	lvol->ref_count--;
435 
436 	SPDK_CU_ASSERT_FATAL(cb_fn != NULL);
437 	cb_fn(cb_arg, 0);
438 }
439 
440 bool
441 spdk_lvol_deletable(struct spdk_lvol *lvol)
442 {
443 	return g_lvol_deletable;
444 }
445 
446 void
447 spdk_lvol_destroy(struct spdk_lvol *lvol, spdk_lvol_op_complete cb_fn, void *cb_arg)
448 {
449 	if (lvol->ref_count != 0) {
450 		cb_fn(cb_arg, -ENODEV);
451 	}
452 
453 	TAILQ_REMOVE(&lvol->lvol_store->lvols, lvol, link);
454 
455 	SPDK_CU_ASSERT_FATAL(cb_fn != NULL);
456 	cb_fn(cb_arg, 0);
457 
458 	g_lvol = NULL;
459 	free(lvol->unique_id);
460 	free(lvol);
461 }
462 
463 void
464 spdk_bdev_io_complete(struct spdk_bdev_io *bdev_io, enum spdk_bdev_io_status status)
465 {
466 }
467 
468 struct spdk_io_channel *spdk_lvol_get_io_channel(struct spdk_lvol *lvol)
469 {
470 	CU_ASSERT(lvol == g_lvol);
471 	return g_ch;
472 }
473 
474 void
475 spdk_bdev_io_get_buf(struct spdk_bdev_io *bdev_io, spdk_bdev_io_get_buf_cb cb, uint64_t len)
476 {
477 	CU_ASSERT(cb == lvol_read);
478 }
479 
480 void
481 spdk_blob_io_read(struct spdk_blob *blob, struct spdk_io_channel *channel,
482 		  void *payload, uint64_t offset, uint64_t length,
483 		  spdk_blob_op_complete cb_fn, void *cb_arg)
484 {
485 }
486 
487 void
488 spdk_blob_io_write(struct spdk_blob *blob, struct spdk_io_channel *channel,
489 		   void *payload, uint64_t offset, uint64_t length,
490 		   spdk_blob_op_complete cb_fn, void *cb_arg)
491 {
492 }
493 
494 void
495 spdk_blob_io_unmap(struct spdk_blob *blob, struct spdk_io_channel *channel,
496 		   uint64_t offset, uint64_t length, spdk_blob_op_complete cb_fn, void *cb_arg)
497 {
498 	CU_ASSERT(blob == NULL);
499 	CU_ASSERT(channel == g_ch);
500 	CU_ASSERT(offset == g_io->u.bdev.offset_blocks);
501 	CU_ASSERT(length == g_io->u.bdev.num_blocks);
502 }
503 
504 void
505 spdk_blob_io_write_zeroes(struct spdk_blob *blob, struct spdk_io_channel *channel,
506 			  uint64_t offset, uint64_t length, spdk_blob_op_complete cb_fn, void *cb_arg)
507 {
508 	CU_ASSERT(blob == NULL);
509 	CU_ASSERT(channel == g_ch);
510 	CU_ASSERT(offset == g_io->u.bdev.offset_blocks);
511 	CU_ASSERT(length == g_io->u.bdev.num_blocks);
512 }
513 
514 void
515 spdk_blob_io_writev(struct spdk_blob *blob, struct spdk_io_channel *channel,
516 		    struct iovec *iov, int iovcnt, uint64_t offset, uint64_t length,
517 		    spdk_blob_op_complete cb_fn, void *cb_arg)
518 {
519 	CU_ASSERT(blob == NULL);
520 	CU_ASSERT(channel == g_ch);
521 	CU_ASSERT(offset == g_io->u.bdev.offset_blocks);
522 	CU_ASSERT(length == g_io->u.bdev.num_blocks);
523 }
524 
525 void
526 spdk_blob_io_readv(struct spdk_blob *blob, struct spdk_io_channel *channel,
527 		   struct iovec *iov, int iovcnt, uint64_t offset, uint64_t length,
528 		   spdk_blob_op_complete cb_fn, void *cb_arg)
529 {
530 	CU_ASSERT(blob == NULL);
531 	CU_ASSERT(channel == g_ch);
532 	CU_ASSERT(offset == g_io->u.bdev.offset_blocks);
533 	CU_ASSERT(length == g_io->u.bdev.num_blocks);
534 }
535 
536 void
537 spdk_bdev_module_list_add(struct spdk_bdev_module *bdev_module)
538 {
539 }
540 
541 int
542 spdk_json_write_name(struct spdk_json_write_ctx *w, const char *name)
543 {
544 	return 0;
545 }
546 
547 int
548 spdk_json_write_array_begin(struct spdk_json_write_ctx *w)
549 {
550 	return 0;
551 }
552 
553 int
554 spdk_json_write_array_end(struct spdk_json_write_ctx *w)
555 {
556 	return 0;
557 }
558 
559 int
560 spdk_json_write_string(struct spdk_json_write_ctx *w, const char *val)
561 {
562 	return 0;
563 }
564 
565 int
566 spdk_json_write_bool(struct spdk_json_write_ctx *w, bool val)
567 {
568 	return 0;
569 }
570 
571 int
572 spdk_json_write_object_begin(struct spdk_json_write_ctx *w)
573 {
574 	return 0;
575 }
576 
577 int
578 spdk_json_write_object_end(struct spdk_json_write_ctx *w)
579 {
580 	return 0;
581 }
582 
583 const char *
584 spdk_bdev_get_name(const struct spdk_bdev *bdev)
585 {
586 	return "test";
587 }
588 
589 int
590 spdk_vbdev_register(struct spdk_bdev *vbdev, struct spdk_bdev **base_bdevs, int base_bdev_count)
591 {
592 	TAILQ_INIT(&vbdev->aliases);
593 
594 	g_registered_bdevs++;
595 	return 0;
596 }
597 
598 void
599 spdk_bdev_module_examine_done(struct spdk_bdev_module *module)
600 {
601 	SPDK_CU_ASSERT_FATAL(g_examine_done != true);
602 	g_examine_done = true;
603 }
604 
605 static struct spdk_lvol *
606 _lvol_create(struct spdk_lvol_store *lvs)
607 {
608 	struct spdk_lvol *lvol = calloc(1, sizeof(*lvol));
609 
610 	SPDK_CU_ASSERT_FATAL(lvol != NULL);
611 
612 	lvol->lvol_store = lvs;
613 	lvol->ref_count++;
614 	lvol->unique_id = spdk_sprintf_alloc("%s", "UNIT_TEST_UUID");
615 	SPDK_CU_ASSERT_FATAL(lvol->unique_id != NULL);
616 
617 	TAILQ_INSERT_TAIL(&lvol->lvol_store->lvols, lvol, link);
618 
619 	return lvol;
620 }
621 
622 int
623 spdk_lvol_create(struct spdk_lvol_store *lvs, const char *name, size_t sz,
624 		 bool thin_provision, spdk_lvol_op_with_handle_complete cb_fn, void *cb_arg)
625 {
626 	struct spdk_lvol *lvol;
627 
628 	lvol = _lvol_create(lvs);
629 	snprintf(lvol->name, sizeof(lvol->name), "%s", name);
630 	cb_fn(cb_arg, lvol, 0);
631 
632 	return 0;
633 }
634 
635 void
636 spdk_lvol_create_snapshot(struct spdk_lvol *lvol, const char *snapshot_name,
637 			  spdk_lvol_op_with_handle_complete cb_fn, void *cb_arg)
638 {
639 	struct spdk_lvol *snap;
640 
641 	snap = _lvol_create(lvol->lvol_store);
642 	snprintf(snap->name, sizeof(snap->name), "%s", snapshot_name);
643 	cb_fn(cb_arg, snap, 0);
644 }
645 
646 void
647 spdk_lvol_create_clone(struct spdk_lvol *lvol, const char *clone_name,
648 		       spdk_lvol_op_with_handle_complete cb_fn, void *cb_arg)
649 {
650 	struct spdk_lvol *clone;
651 
652 	clone = _lvol_create(lvol->lvol_store);
653 	snprintf(clone->name, sizeof(clone->name), "%s", clone_name);
654 	cb_fn(cb_arg, clone, 0);
655 }
656 
657 static void
658 lvol_store_op_complete(void *cb_arg, int lvserrno)
659 {
660 	g_lvserrno = lvserrno;
661 	return;
662 }
663 
664 static void
665 lvol_store_op_with_handle_complete(void *cb_arg, struct spdk_lvol_store *lvs, int lvserrno)
666 {
667 	g_lvserrno = lvserrno;
668 	g_lvol_store = lvs;
669 	return;
670 }
671 
672 static void
673 vbdev_lvol_create_complete(void *cb_arg, struct spdk_lvol *lvol, int lvolerrno)
674 {
675 	g_lvolerrno = lvolerrno;
676 	g_lvol = lvol;
677 }
678 
679 static void
680 vbdev_lvol_resize_complete(void *cb_arg, int lvolerrno)
681 {
682 	g_lvolerrno = lvolerrno;
683 }
684 
685 static void
686 vbdev_lvol_rename_complete(void *cb_arg, int lvolerrno)
687 {
688 	g_lvolerrno = lvolerrno;
689 }
690 
691 static void
692 ut_lvs_destroy(void)
693 {
694 	int rc = 0;
695 	int sz = 10;
696 	struct spdk_lvol_store *lvs;
697 
698 	/* Lvol store is successfully created */
699 	rc = vbdev_lvs_create(&g_bdev, "lvs", 0, lvol_store_op_with_handle_complete, NULL);
700 	CU_ASSERT(rc == 0);
701 	CU_ASSERT(g_lvserrno == 0);
702 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
703 	CU_ASSERT(g_lvol_store->bs_dev != NULL);
704 
705 	lvs = g_lvol_store;
706 	g_lvol_store = NULL;
707 
708 	spdk_uuid_generate(&lvs->uuid);
709 
710 	/* Successfully create lvol, which should be unloaded with lvs later */
711 	g_lvolerrno = -1;
712 	rc = vbdev_lvol_create(lvs, "lvol", sz, false, vbdev_lvol_create_complete, NULL);
713 	CU_ASSERT(rc == 0);
714 	CU_ASSERT(g_lvolerrno == 0);
715 	SPDK_CU_ASSERT_FATAL(g_lvol != NULL);
716 
717 	/* Unload lvol store */
718 	vbdev_lvs_destruct(lvs, lvol_store_op_complete, NULL);
719 	CU_ASSERT(g_lvserrno == 0);
720 	CU_ASSERT(g_lvol_store == NULL);
721 }
722 
723 static void
724 ut_lvol_init(void)
725 {
726 	struct spdk_lvol_store *lvs;
727 	int sz = 10;
728 	int rc;
729 
730 	/* Lvol store is successfully created */
731 	rc = vbdev_lvs_create(&g_bdev, "lvs", 0, lvol_store_op_with_handle_complete, NULL);
732 	CU_ASSERT(rc == 0);
733 	CU_ASSERT(g_lvserrno == 0);
734 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
735 	CU_ASSERT(g_lvol_store->bs_dev != NULL);
736 	lvs = g_lvol_store;
737 
738 	/* Successful lvol create */
739 	g_lvolerrno = -1;
740 	rc = vbdev_lvol_create(lvs, "lvol", sz, false, vbdev_lvol_create_complete, NULL);
741 	SPDK_CU_ASSERT_FATAL(rc == 0);
742 	CU_ASSERT(g_lvol != NULL);
743 	CU_ASSERT(g_lvolerrno == 0);
744 
745 	/* Successful lvol destroy */
746 	vbdev_lvol_destroy(g_lvol, lvol_store_op_complete, NULL);
747 	CU_ASSERT(g_lvol == NULL);
748 
749 	/* Destroy lvol store */
750 	vbdev_lvs_destruct(lvs, lvol_store_op_complete, NULL);
751 	CU_ASSERT(g_lvserrno == 0);
752 	CU_ASSERT(g_lvol_store == NULL);
753 }
754 
755 static void
756 ut_lvol_snapshot(void)
757 {
758 	struct spdk_lvol_store *lvs;
759 	int sz = 10;
760 	int rc;
761 	struct spdk_lvol *lvol = NULL;
762 
763 	/* Lvol store is successfully created */
764 	rc = vbdev_lvs_create(&g_bdev, "lvs", 0, lvol_store_op_with_handle_complete, NULL);
765 	CU_ASSERT(rc == 0);
766 	CU_ASSERT(g_lvserrno == 0);
767 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
768 	CU_ASSERT(g_lvol_store->bs_dev != NULL);
769 	lvs = g_lvol_store;
770 
771 	/* Successful lvol create */
772 	g_lvolerrno = -1;
773 	rc = vbdev_lvol_create(lvs, "lvol", sz, false, vbdev_lvol_create_complete, NULL);
774 	SPDK_CU_ASSERT_FATAL(rc == 0);
775 	SPDK_CU_ASSERT_FATAL(g_lvol != NULL);
776 	CU_ASSERT(g_lvolerrno == 0);
777 
778 	lvol = g_lvol;
779 
780 	/* Successful snap create */
781 	vbdev_lvol_create_snapshot(lvol, "snap", vbdev_lvol_create_complete, NULL);
782 	SPDK_CU_ASSERT_FATAL(rc == 0);
783 	CU_ASSERT(g_lvol != NULL);
784 	CU_ASSERT(g_lvolerrno == 0);
785 
786 	/* Successful lvol destroy */
787 	vbdev_lvol_destroy(g_lvol, lvol_store_op_complete, NULL);
788 	CU_ASSERT(g_lvol == NULL);
789 
790 	/* Successful snap destroy */
791 	g_lvol = lvol;
792 	vbdev_lvol_destroy(g_lvol, lvol_store_op_complete, NULL);
793 	CU_ASSERT(g_lvol == NULL);
794 
795 	/* Destroy lvol store */
796 	vbdev_lvs_destruct(lvs, lvol_store_op_complete, NULL);
797 	CU_ASSERT(g_lvserrno == 0);
798 	CU_ASSERT(g_lvol_store == NULL);
799 }
800 
801 static void
802 ut_lvol_clone(void)
803 {
804 	struct spdk_lvol_store *lvs;
805 	int sz = 10;
806 	int rc;
807 	struct spdk_lvol *lvol = NULL;
808 	struct spdk_lvol *snap = NULL;
809 	struct spdk_lvol *clone = NULL;
810 
811 	/* Lvol store is successfully created */
812 	rc = vbdev_lvs_create(&g_bdev, "lvs", 0, lvol_store_op_with_handle_complete, NULL);
813 	CU_ASSERT(rc == 0);
814 	CU_ASSERT(g_lvserrno == 0);
815 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
816 	CU_ASSERT(g_lvol_store->bs_dev != NULL);
817 	lvs = g_lvol_store;
818 
819 	/* Successful lvol create */
820 	g_lvolerrno = -1;
821 	rc = vbdev_lvol_create(lvs, "lvol", sz, false, vbdev_lvol_create_complete, NULL);
822 	SPDK_CU_ASSERT_FATAL(rc == 0);
823 	SPDK_CU_ASSERT_FATAL(g_lvol != NULL);
824 	CU_ASSERT(g_lvolerrno == 0);
825 
826 	lvol = g_lvol;
827 
828 	/* Successful snap create */
829 	vbdev_lvol_create_snapshot(lvol, "snap", vbdev_lvol_create_complete, NULL);
830 	SPDK_CU_ASSERT_FATAL(rc == 0);
831 	SPDK_CU_ASSERT_FATAL(g_lvol != NULL);
832 	CU_ASSERT(g_lvolerrno == 0);
833 
834 	snap = g_lvol;
835 
836 	/* Successful clone create */
837 	vbdev_lvol_create_clone(snap, "clone", vbdev_lvol_create_complete, NULL);
838 
839 	SPDK_CU_ASSERT_FATAL(rc == 0);
840 	SPDK_CU_ASSERT_FATAL(g_lvol != NULL);
841 	CU_ASSERT(g_lvolerrno == 0);
842 
843 	clone = g_lvol;
844 
845 	/* Successful lvol destroy */
846 	g_lvol = lvol;
847 	vbdev_lvol_destroy(g_lvol, lvol_store_op_complete, NULL);
848 	CU_ASSERT(g_lvol == NULL);
849 
850 	/* Successful clone destroy */
851 	g_lvol = clone;
852 	vbdev_lvol_destroy(g_lvol, lvol_store_op_complete, NULL);
853 	CU_ASSERT(g_lvol == NULL);
854 
855 	/* Successful lvol destroy */
856 	g_lvol = snap;
857 	vbdev_lvol_destroy(g_lvol, lvol_store_op_complete, NULL);
858 	CU_ASSERT(g_lvol == NULL);
859 
860 	/* Destroy lvol store */
861 	vbdev_lvs_destruct(lvs, lvol_store_op_complete, NULL);
862 	CU_ASSERT(g_lvserrno == 0);
863 	CU_ASSERT(g_lvol_store == NULL);
864 }
865 
866 static void
867 ut_lvol_hotremove(void)
868 {
869 	int rc = 0;
870 
871 	lvol_store_initialize_fail = false;
872 	lvol_store_initialize_cb_fail = false;
873 	lvol_already_opened = false;
874 
875 	/* Lvol store is successfully created */
876 	rc = vbdev_lvs_create(&g_bdev, "lvs", 0, lvol_store_op_with_handle_complete, NULL);
877 	CU_ASSERT(rc == 0);
878 	CU_ASSERT(g_lvserrno == 0);
879 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
880 	CU_ASSERT(g_lvol_store->bs_dev != NULL);
881 
882 	/* Hot remove callback with NULL - stability check */
883 	vbdev_lvs_hotremove_cb(NULL);
884 
885 	/* Hot remove lvs on bdev removal */
886 	vbdev_lvs_hotremove_cb(&g_bdev);
887 
888 	CU_ASSERT(g_lvol_store == NULL);
889 	CU_ASSERT(TAILQ_EMPTY(&g_spdk_lvol_pairs));
890 
891 }
892 
893 static void
894 ut_lvs_examine_check(bool success)
895 {
896 	struct lvol_store_bdev *lvs_bdev;
897 
898 	/* Examine was finished regardless of result */
899 	CU_ASSERT(g_examine_done == true);
900 	g_examine_done = false;
901 
902 	if (success) {
903 		SPDK_CU_ASSERT_FATAL(!TAILQ_EMPTY(&g_spdk_lvol_pairs));
904 		lvs_bdev = TAILQ_FIRST(&g_spdk_lvol_pairs);
905 		SPDK_CU_ASSERT_FATAL(lvs_bdev != NULL);
906 		g_lvol_store = lvs_bdev->lvs;
907 		SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
908 		CU_ASSERT(g_lvol_store->bs_dev != NULL);
909 	} else {
910 		SPDK_CU_ASSERT_FATAL(TAILQ_EMPTY(&g_spdk_lvol_pairs));
911 		g_lvol_store = NULL;
912 	}
913 }
914 
915 static void
916 ut_lvol_examine(void)
917 {
918 	/* Examine unsuccessfully - bdev already opened */
919 	g_lvserrno = -1;
920 	lvol_already_opened = true;
921 	vbdev_lvs_examine(&g_bdev);
922 	ut_lvs_examine_check(false);
923 
924 	/* Examine unsuccessfully - fail on lvol store */
925 	g_lvserrno = -1;
926 	lvol_already_opened = false;
927 	vbdev_lvs_examine(&g_bdev);
928 	ut_lvs_examine_check(false);
929 
930 	/* Examine successfully
931 	 * - one lvol fails to load
932 	 * - lvs is loaded with no lvols present */
933 	g_lvserrno = 0;
934 	g_lvolerrno = -1;
935 	g_num_lvols = 1;
936 	lvol_already_opened = false;
937 	g_registered_bdevs = 0;
938 	vbdev_lvs_examine(&g_bdev);
939 	ut_lvs_examine_check(true);
940 	CU_ASSERT(g_registered_bdevs == 0);
941 	CU_ASSERT(TAILQ_EMPTY(&g_lvol_store->lvols));
942 	vbdev_lvs_destruct(g_lvol_store, lvol_store_op_complete, NULL);
943 	CU_ASSERT(g_lvserrno == 0);
944 	CU_ASSERT(g_lvol_store == NULL);
945 
946 	/* Examine successfully */
947 	g_lvserrno = 0;
948 	g_lvolerrno = 0;
949 	g_registered_bdevs = 0;
950 	lvol_already_opened = false;
951 	vbdev_lvs_examine(&g_bdev);
952 	ut_lvs_examine_check(true);
953 	CU_ASSERT(g_registered_bdevs != 0);
954 	SPDK_CU_ASSERT_FATAL(!TAILQ_EMPTY(&g_lvol_store->lvols));
955 	vbdev_lvs_destruct(g_lvol_store, lvol_store_op_complete, NULL);
956 	CU_ASSERT(g_lvserrno == 0);
957 }
958 
959 static void
960 ut_lvol_rename(void)
961 {
962 	struct spdk_lvol_store *lvs;
963 	struct spdk_lvol *lvol;
964 	struct spdk_lvol *lvol2;
965 	int sz = 10;
966 	int rc;
967 
968 	/* Lvol store is successfully created */
969 	rc = vbdev_lvs_create(&g_bdev, "lvs", 0, lvol_store_op_with_handle_complete, NULL);
970 	CU_ASSERT(rc == 0);
971 	CU_ASSERT(g_lvserrno == 0);
972 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
973 	CU_ASSERT(g_lvol_store->bs_dev != NULL);
974 	lvs = g_lvol_store;
975 
976 	/* Successful lvols create */
977 	g_lvolerrno = -1;
978 	rc = vbdev_lvol_create(lvs, "lvol", sz, false, vbdev_lvol_create_complete, NULL);
979 	SPDK_CU_ASSERT_FATAL(rc == 0);
980 	CU_ASSERT(g_lvol != NULL);
981 	CU_ASSERT(g_lvolerrno == 0);
982 	lvol = g_lvol;
983 
984 	g_lvolerrno = -1;
985 	rc = vbdev_lvol_create(lvs, "lvol2", sz, false, vbdev_lvol_create_complete, NULL);
986 	SPDK_CU_ASSERT_FATAL(rc == 0);
987 	CU_ASSERT(g_lvol != NULL);
988 	CU_ASSERT(g_lvolerrno == 0);
989 	lvol2 = g_lvol;
990 
991 	/* Successful rename lvol */
992 	vbdev_lvol_rename(lvol, "new_lvol_name", vbdev_lvol_rename_complete, NULL);
993 	SPDK_CU_ASSERT_FATAL(g_lvolerrno == 0);
994 	CU_ASSERT_STRING_EQUAL(lvol->name, "new_lvol_name");
995 
996 	/* Renaming lvol with name already existing */
997 	g_bdev_alias_already_exists = true;
998 	vbdev_lvol_rename(lvol2, "new_lvol_name", vbdev_lvol_rename_complete, NULL);
999 	g_bdev_alias_already_exists = false;
1000 	SPDK_CU_ASSERT_FATAL(g_lvolerrno != 0);
1001 	CU_ASSERT_STRING_NOT_EQUAL(lvol2->name, "new_lvol_name");
1002 
1003 	/* Renaming lvol with it's own name */
1004 	vbdev_lvol_rename(lvol, "new_lvol_name", vbdev_lvol_rename_complete, NULL);
1005 	SPDK_CU_ASSERT_FATAL(g_lvolerrno == 0);
1006 	CU_ASSERT_STRING_EQUAL(lvol->name, "new_lvol_name");
1007 
1008 	/* Successful lvols destroy */
1009 	vbdev_lvol_destroy(lvol, lvol_store_op_complete, NULL);
1010 	CU_ASSERT(g_lvol == NULL);
1011 
1012 	vbdev_lvol_destroy(lvol2, lvol_store_op_complete, NULL);
1013 	CU_ASSERT(g_lvol == NULL);
1014 
1015 	/* Destroy lvol store */
1016 	vbdev_lvs_destruct(lvs, lvol_store_op_complete, NULL);
1017 	CU_ASSERT(g_lvserrno == 0);
1018 	CU_ASSERT(g_lvol_store == NULL);
1019 }
1020 
1021 static void
1022 ut_lvol_destroy(void)
1023 {
1024 	struct spdk_lvol_store *lvs;
1025 	struct spdk_lvol *lvol;
1026 	struct spdk_lvol *lvol2;
1027 	int sz = 10;
1028 	int rc;
1029 
1030 	/* Lvol store is successfully created */
1031 	rc = vbdev_lvs_create(&g_bdev, "lvs", 0, lvol_store_op_with_handle_complete, NULL);
1032 	CU_ASSERT(rc == 0);
1033 	CU_ASSERT(g_lvserrno == 0);
1034 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
1035 	CU_ASSERT(g_lvol_store->bs_dev != NULL);
1036 	lvs = g_lvol_store;
1037 
1038 	/* Successful lvols create */
1039 	g_lvolerrno = -1;
1040 	rc = vbdev_lvol_create(lvs, "lvol", sz, false, vbdev_lvol_create_complete, NULL);
1041 	SPDK_CU_ASSERT_FATAL(rc == 0);
1042 	CU_ASSERT(g_lvol != NULL);
1043 	CU_ASSERT(g_lvolerrno == 0);
1044 	lvol = g_lvol;
1045 
1046 	g_lvolerrno = -1;
1047 	rc = vbdev_lvol_create(lvs, "lvol2", sz, false, vbdev_lvol_create_complete, NULL);
1048 	SPDK_CU_ASSERT_FATAL(rc == 0);
1049 	CU_ASSERT(g_lvol != NULL);
1050 	CU_ASSERT(g_lvolerrno == 0);
1051 	lvol2 = g_lvol;
1052 
1053 	/* Unsuccessful lvols destroy */
1054 	g_lvol_deletable = false;
1055 	vbdev_lvol_destroy(lvol, lvol_store_op_complete, NULL);
1056 	CU_ASSERT(g_lvol != NULL);
1057 	CU_ASSERT(g_lvserrno == -EPERM);
1058 
1059 	g_lvol_deletable = true;
1060 	/* Successful lvols destroy */
1061 	vbdev_lvol_destroy(lvol, lvol_store_op_complete, NULL);
1062 	CU_ASSERT(g_lvol == NULL);
1063 	CU_ASSERT(g_lvolerrno == 0);
1064 
1065 	/* Hot remove lvol bdev */
1066 	vbdev_lvol_unregister(lvol2);
1067 
1068 	/* Unload lvol store */
1069 	vbdev_lvs_unload(lvs, lvol_store_op_complete, NULL);
1070 	CU_ASSERT(g_lvserrno == 0);
1071 	CU_ASSERT(g_lvol_store == NULL);
1072 }
1073 
1074 static void
1075 ut_lvol_resize(void)
1076 {
1077 	struct spdk_lvol_store *lvs;
1078 	struct spdk_lvol *lvol;
1079 	int sz = 10;
1080 	int rc = 0;
1081 
1082 	/* Lvol store is successfully created */
1083 	rc = vbdev_lvs_create(&g_bdev, "lvs", 0, lvol_store_op_with_handle_complete, NULL);
1084 	CU_ASSERT(rc == 0);
1085 	CU_ASSERT(g_lvserrno == 0);
1086 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
1087 	CU_ASSERT(g_lvol_store->bs_dev != NULL);
1088 	lvs = g_lvol_store;
1089 
1090 	/* Successful lvol create */
1091 	g_lvolerrno = -1;
1092 	rc = vbdev_lvol_create(lvs, "lvol", sz, false, vbdev_lvol_create_complete, NULL);
1093 	CU_ASSERT(rc == 0);
1094 	CU_ASSERT(g_lvolerrno == 0);
1095 	SPDK_CU_ASSERT_FATAL(g_lvol != NULL);
1096 	lvol = g_lvol;
1097 
1098 	/* Successful lvol resize */
1099 	g_lvolerrno = -1;
1100 	vbdev_lvol_resize(lvol, 20, vbdev_lvol_resize_complete, NULL);
1101 	CU_ASSERT(g_lvolerrno == 0);
1102 	CU_ASSERT(lvol->bdev->blockcnt == 20 * g_cluster_size / lvol->bdev->blocklen);
1103 
1104 	/* Resize with NULL lvol */
1105 	vbdev_lvol_resize(NULL, 20, vbdev_lvol_resize_complete, NULL);
1106 	CU_ASSERT(g_lvolerrno != 0);
1107 
1108 	/* Successful lvol destroy */
1109 	vbdev_lvol_destroy(lvol, lvol_store_op_complete, NULL);
1110 	CU_ASSERT(g_lvol == NULL);
1111 
1112 	/* Destroy lvol store */
1113 	vbdev_lvs_destruct(lvs, lvol_store_op_complete, NULL);
1114 	CU_ASSERT(g_lvserrno == 0);
1115 	CU_ASSERT(g_lvol_store == NULL);
1116 }
1117 
1118 static void
1119 ut_lvs_unload(void)
1120 {
1121 	int rc = 0;
1122 	int sz = 10;
1123 	struct spdk_lvol_store *lvs;
1124 
1125 	/* Lvol store is successfully created */
1126 	rc = vbdev_lvs_create(&g_bdev, "lvs", 0, lvol_store_op_with_handle_complete, NULL);
1127 	CU_ASSERT(rc == 0);
1128 	CU_ASSERT(g_lvserrno == 0);
1129 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
1130 	CU_ASSERT(g_lvol_store->bs_dev != NULL);
1131 
1132 	lvs = g_lvol_store;
1133 	g_lvol_store = NULL;
1134 
1135 	spdk_uuid_generate(&lvs->uuid);
1136 
1137 	/* Successfully create lvol, which should be destroyed with lvs later */
1138 	g_lvolerrno = -1;
1139 	rc = vbdev_lvol_create(lvs, "lvol", sz, false, vbdev_lvol_create_complete, NULL);
1140 	CU_ASSERT(rc == 0);
1141 	CU_ASSERT(g_lvolerrno == 0);
1142 	SPDK_CU_ASSERT_FATAL(g_lvol != NULL);
1143 
1144 	/* Unload lvol store */
1145 	vbdev_lvs_unload(lvs, lvol_store_op_complete, NULL);
1146 	CU_ASSERT(g_lvserrno == 0);
1147 	CU_ASSERT(g_lvol_store == NULL);
1148 	CU_ASSERT(g_lvol != NULL);
1149 }
1150 
1151 static void
1152 ut_lvs_init(void)
1153 {
1154 	int rc = 0;
1155 	struct spdk_lvol_store *lvs;
1156 
1157 	/* spdk_lvs_init() fails */
1158 	lvol_store_initialize_fail = true;
1159 
1160 	rc = vbdev_lvs_create(&g_bdev, "lvs", 0, lvol_store_op_with_handle_complete, NULL);
1161 	CU_ASSERT(rc != 0);
1162 	CU_ASSERT(g_lvserrno == 0);
1163 	CU_ASSERT(g_lvol_store == NULL);
1164 
1165 	lvol_store_initialize_fail = false;
1166 
1167 	/* spdk_lvs_init_cb() fails */
1168 	lvol_store_initialize_cb_fail = true;
1169 
1170 	rc = vbdev_lvs_create(&g_bdev, "lvs", 0, lvol_store_op_with_handle_complete, NULL);
1171 	CU_ASSERT(rc == 0);
1172 	CU_ASSERT(g_lvserrno != 0);
1173 	CU_ASSERT(g_lvol_store == NULL);
1174 
1175 	lvol_store_initialize_cb_fail = false;
1176 
1177 	/* Lvol store is successfully created */
1178 	rc = vbdev_lvs_create(&g_bdev, "lvs", 0, lvol_store_op_with_handle_complete, NULL);
1179 	CU_ASSERT(rc == 0);
1180 	CU_ASSERT(g_lvserrno == 0);
1181 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
1182 	CU_ASSERT(g_lvol_store->bs_dev != NULL);
1183 
1184 	lvs = g_lvol_store;
1185 	g_lvol_store = NULL;
1186 
1187 	/* Bdev with lvol store already claimed */
1188 	rc = vbdev_lvs_create(&g_bdev, "lvs", 0, lvol_store_op_with_handle_complete, NULL);
1189 	CU_ASSERT(rc != 0);
1190 	CU_ASSERT(g_lvserrno == 0);
1191 	CU_ASSERT(g_lvol_store == NULL);
1192 
1193 	/* Destruct lvol store */
1194 	vbdev_lvs_destruct(lvs, lvol_store_op_complete, NULL);
1195 	CU_ASSERT(g_lvserrno == 0);
1196 	CU_ASSERT(g_lvol_store == NULL);
1197 }
1198 
1199 static void
1200 ut_vbdev_lvol_get_io_channel(void)
1201 {
1202 	struct spdk_io_channel *ch;
1203 
1204 	g_lvol = calloc(1, sizeof(struct spdk_lvol));
1205 	SPDK_CU_ASSERT_FATAL(g_lvol != NULL);
1206 
1207 	ch = vbdev_lvol_get_io_channel(g_lvol);
1208 	CU_ASSERT(ch == g_ch);
1209 
1210 	free(g_lvol);
1211 }
1212 
1213 static void
1214 ut_vbdev_lvol_io_type_supported(void)
1215 {
1216 	struct spdk_lvol *lvol;
1217 	bool ret;
1218 
1219 	lvol = calloc(1, sizeof(struct spdk_lvol));
1220 	SPDK_CU_ASSERT_FATAL(lvol != NULL);
1221 
1222 	g_blob_is_read_only = false;
1223 
1224 	/* Supported types */
1225 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_READ);
1226 	CU_ASSERT(ret == true);
1227 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_WRITE);
1228 	CU_ASSERT(ret == true);
1229 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_RESET);
1230 	CU_ASSERT(ret == true);
1231 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_UNMAP);
1232 	CU_ASSERT(ret == true);
1233 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_WRITE_ZEROES);
1234 	CU_ASSERT(ret == true);
1235 
1236 	/* Unsupported types */
1237 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_FLUSH);
1238 	CU_ASSERT(ret == false);
1239 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_NVME_ADMIN);
1240 	CU_ASSERT(ret == false);
1241 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_NVME_IO);
1242 	CU_ASSERT(ret == false);
1243 
1244 	g_blob_is_read_only = true;
1245 
1246 	/* Supported types */
1247 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_READ);
1248 	CU_ASSERT(ret == true);
1249 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_RESET);
1250 	CU_ASSERT(ret == true);
1251 
1252 	/* Unsupported types */
1253 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_WRITE);
1254 	CU_ASSERT(ret == false);
1255 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_UNMAP);
1256 	CU_ASSERT(ret == false);
1257 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_WRITE_ZEROES);
1258 	CU_ASSERT(ret == false);
1259 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_FLUSH);
1260 	CU_ASSERT(ret == false);
1261 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_NVME_ADMIN);
1262 	CU_ASSERT(ret == false);
1263 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_NVME_IO);
1264 	CU_ASSERT(ret == false);
1265 
1266 	free(lvol);
1267 }
1268 
1269 static void
1270 ut_lvol_read_write(void)
1271 {
1272 	g_io = calloc(1, sizeof(struct spdk_bdev_io) + sizeof(struct lvol_task));
1273 	SPDK_CU_ASSERT_FATAL(g_io != NULL);
1274 	g_base_bdev = calloc(1, sizeof(struct spdk_bdev));
1275 	SPDK_CU_ASSERT_FATAL(g_base_bdev != NULL);
1276 	g_lvol = calloc(1, sizeof(struct spdk_lvol));
1277 	SPDK_CU_ASSERT_FATAL(g_lvol != NULL);
1278 
1279 	g_task = (struct lvol_task *)g_io->driver_ctx;
1280 	g_io->bdev = g_base_bdev;
1281 	g_io->bdev->ctxt = g_lvol;
1282 	g_io->u.bdev.offset_blocks = 20;
1283 	g_io->u.bdev.num_blocks = 20;
1284 
1285 	lvol_read(g_ch, g_io);
1286 	CU_ASSERT(g_task->status == SPDK_BDEV_IO_STATUS_SUCCESS);
1287 
1288 	lvol_write(g_lvol, g_ch, g_io);
1289 	CU_ASSERT(g_task->status == SPDK_BDEV_IO_STATUS_SUCCESS);
1290 
1291 	free(g_io);
1292 	free(g_base_bdev);
1293 	free(g_lvol);
1294 }
1295 
1296 static void
1297 ut_vbdev_lvol_submit_request(void)
1298 {
1299 	struct spdk_lvol request_lvol = {};
1300 	g_io = calloc(1, sizeof(struct spdk_bdev_io) + sizeof(struct lvol_task));
1301 	SPDK_CU_ASSERT_FATAL(g_io != NULL);
1302 	g_base_bdev = calloc(1, sizeof(struct spdk_bdev));
1303 	SPDK_CU_ASSERT_FATAL(g_base_bdev != NULL);
1304 	g_task = (struct lvol_task *)g_io->driver_ctx;
1305 	g_io->bdev = g_base_bdev;
1306 
1307 	g_io->type = SPDK_BDEV_IO_TYPE_READ;
1308 	g_base_bdev->ctxt = &request_lvol;
1309 	vbdev_lvol_submit_request(g_ch, g_io);
1310 
1311 	free(g_io);
1312 	free(g_base_bdev);
1313 }
1314 
1315 static void
1316 ut_lvs_rename(void)
1317 {
1318 	int rc = 0;
1319 	int sz = 10;
1320 	struct spdk_lvol_store *lvs;
1321 
1322 	/* Lvol store is successfully created */
1323 	rc = vbdev_lvs_create(&g_bdev, "old_lvs_name", 0, lvol_store_op_with_handle_complete, NULL);
1324 	CU_ASSERT(rc == 0);
1325 	CU_ASSERT(g_lvserrno == 0);
1326 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
1327 	CU_ASSERT(g_lvol_store->bs_dev != NULL);
1328 
1329 	lvs = g_lvol_store;
1330 	g_lvol_store = NULL;
1331 
1332 	g_base_bdev = calloc(1, sizeof(*g_base_bdev));
1333 	SPDK_CU_ASSERT_FATAL(g_base_bdev != NULL);
1334 
1335 	/* Successfully create lvol, which should be destroyed with lvs later */
1336 	g_lvolerrno = -1;
1337 	rc = vbdev_lvol_create(lvs, "lvol", sz, false, vbdev_lvol_create_complete, NULL);
1338 	CU_ASSERT(rc == 0);
1339 	CU_ASSERT(g_lvolerrno == 0);
1340 	SPDK_CU_ASSERT_FATAL(g_lvol != NULL);
1341 
1342 	/* Trying to rename lvs with lvols created */
1343 	vbdev_lvs_rename(lvs, "new_lvs_name", lvol_store_op_complete, NULL);
1344 	CU_ASSERT(g_lvserrno == 0);
1345 	CU_ASSERT_STRING_EQUAL(lvs->name, "new_lvs_name");
1346 	CU_ASSERT_STRING_EQUAL(TAILQ_FIRST(&g_lvol->bdev->aliases)->alias, "new_lvs_name/lvol");
1347 
1348 	/* Trying to rename lvs with name already used by another lvs */
1349 	/* This is a bdev_lvol test, so g_lvs_with_name_already_exists simulates
1350 	 * existing lvs with name 'another_new_lvs_name' and this name in fact is not compared */
1351 	g_lvs_with_name_already_exists = true;
1352 	vbdev_lvs_rename(lvs, "another_new_lvs_name", lvol_store_op_complete, NULL);
1353 	CU_ASSERT(g_lvserrno == -EEXIST);
1354 	CU_ASSERT_STRING_EQUAL(lvs->name, "new_lvs_name");
1355 	CU_ASSERT_STRING_EQUAL(TAILQ_FIRST(&g_lvol->bdev->aliases)->alias, "new_lvs_name/lvol");
1356 	g_lvs_with_name_already_exists = false;
1357 
1358 	/* Unload lvol store */
1359 	g_lvol_store = lvs;
1360 	vbdev_lvs_destruct(g_lvol_store, lvol_store_op_complete, NULL);
1361 	CU_ASSERT(g_lvserrno == 0);
1362 	CU_ASSERT(g_lvol_store == NULL);
1363 
1364 	free(g_base_bdev->name);
1365 	free(g_base_bdev);
1366 }
1367 
1368 int main(int argc, char **argv)
1369 {
1370 	CU_pSuite	suite = NULL;
1371 	unsigned int	num_failures;
1372 
1373 	if (CU_initialize_registry() != CUE_SUCCESS) {
1374 		return CU_get_error();
1375 	}
1376 
1377 	suite = CU_add_suite("lvol", NULL, NULL);
1378 	if (suite == NULL) {
1379 		CU_cleanup_registry();
1380 		return CU_get_error();
1381 	}
1382 
1383 	if (
1384 		CU_add_test(suite, "ut_lvs_init", ut_lvs_init) == NULL ||
1385 		CU_add_test(suite, "ut_lvol_init", ut_lvol_init) == NULL ||
1386 		CU_add_test(suite, "ut_lvol_snapshot", ut_lvol_snapshot) == NULL ||
1387 		CU_add_test(suite, "ut_lvol_clone", ut_lvol_clone) == NULL ||
1388 		CU_add_test(suite, "ut_lvs_destroy", ut_lvs_destroy) == NULL ||
1389 		CU_add_test(suite, "ut_lvs_unload", ut_lvs_unload) == NULL ||
1390 		CU_add_test(suite, "ut_lvol_resize", ut_lvol_resize) == NULL ||
1391 		CU_add_test(suite, "lvol_hotremove", ut_lvol_hotremove) == NULL ||
1392 		CU_add_test(suite, "ut_vbdev_lvol_get_io_channel", ut_vbdev_lvol_get_io_channel) == NULL ||
1393 		CU_add_test(suite, "ut_vbdev_lvol_io_type_supported", ut_vbdev_lvol_io_type_supported) == NULL ||
1394 		CU_add_test(suite, "ut_lvol_read_write", ut_lvol_read_write) == NULL ||
1395 		CU_add_test(suite, "ut_vbdev_lvol_submit_request", ut_vbdev_lvol_submit_request) == NULL ||
1396 		CU_add_test(suite, "lvol_examine", ut_lvol_examine) == NULL ||
1397 		CU_add_test(suite, "ut_lvol_rename", ut_lvol_rename) == NULL ||
1398 		CU_add_test(suite, "ut_lvol_destroy", ut_lvol_destroy) == NULL ||
1399 		CU_add_test(suite, "ut_lvs_rename", ut_lvs_rename) == NULL
1400 	) {
1401 		CU_cleanup_registry();
1402 		return CU_get_error();
1403 	}
1404 
1405 	CU_basic_set_mode(CU_BRM_VERBOSE);
1406 	CU_basic_run_tests();
1407 	num_failures = CU_get_number_of_failures();
1408 	CU_cleanup_registry();
1409 	return num_failures;
1410 }
1411