xref: /spdk/test/unit/lib/bdev/vbdev_lvol.c/vbdev_lvol_ut.c (revision 6f9e81eea00d89dcf41c6789fdc06cf0ebfb169a)
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_bs_dev *g_bs_dev = NULL;
56 static struct spdk_lvol_store *g_lvol_store = NULL;
57 bool lvol_store_initialize_fail = false;
58 bool lvol_store_initialize_cb_fail = false;
59 bool lvol_already_opened = false;
60 bool g_examine_done = false;
61 bool g_bdev_alias_already_exists = false;
62 bool g_lvs_with_name_already_exists = false;
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_destruct_done(struct spdk_bdev *bdev, int bdeverrno)
108 {
109 }
110 
111 void
112 spdk_lvs_rename(struct spdk_lvol_store *lvs, const char *new_name,
113 		spdk_lvs_op_complete cb_fn, void *cb_arg)
114 {
115 	if (g_lvs_with_name_already_exists) {
116 		g_lvolerrno = -EEXIST;
117 	} else {
118 		snprintf(lvs->name, sizeof(lvs->name), "%s", new_name);
119 		g_lvolerrno = 0;
120 	}
121 
122 	cb_fn(cb_arg, g_lvolerrno);
123 }
124 
125 void
126 spdk_lvol_rename(struct spdk_lvol *lvol, const char *new_name,
127 		 spdk_lvol_op_complete cb_fn, void *cb_arg)
128 {
129 	struct spdk_lvol *tmp;
130 
131 	if (strncmp(lvol->name, new_name, SPDK_LVOL_NAME_MAX) == 0) {
132 		cb_fn(cb_arg, 0);
133 		return;
134 	}
135 
136 	TAILQ_FOREACH(tmp, &lvol->lvol_store->lvols, link) {
137 		if (strncmp(tmp->name, new_name, SPDK_LVOL_NAME_MAX) == 0) {
138 			SPDK_ERRLOG("Lvol %s already exists in lvol store %s\n", new_name, lvol->lvol_store->name);
139 			cb_fn(cb_arg, -EEXIST);
140 			return;
141 		}
142 	}
143 
144 	snprintf(lvol->name, sizeof(lvol->name), "%s", new_name);
145 
146 	cb_fn(cb_arg, g_lvolerrno);
147 }
148 
149 void
150 spdk_lvol_open(struct spdk_lvol *lvol, spdk_lvol_op_with_handle_complete cb_fn, void *cb_arg)
151 {
152 	cb_fn(cb_arg, lvol, g_lvolerrno);
153 }
154 
155 void
156 spdk_blob_close(struct spdk_blob *b, spdk_blob_op_complete cb_fn, void *cb_arg)
157 {
158 }
159 
160 uint64_t
161 spdk_blob_get_num_clusters(struct spdk_blob *b)
162 {
163 	return 0;
164 }
165 
166 int
167 spdk_blob_get_clones(struct spdk_blob_store *bs, spdk_blob_id blobid, spdk_blob_id *ids,
168 		     size_t *count)
169 {
170 	*count = 0;
171 	return 0;
172 }
173 
174 spdk_blob_id
175 spdk_blob_get_parent_snapshot(struct spdk_blob_store *bs, spdk_blob_id blobid)
176 {
177 	return 0;
178 }
179 
180 bool g_blob_is_read_only = false;
181 
182 bool
183 spdk_blob_is_read_only(struct spdk_blob *blob)
184 {
185 	return g_blob_is_read_only;
186 }
187 
188 bool
189 spdk_blob_is_snapshot(struct spdk_blob *blob)
190 {
191 	return false;
192 }
193 
194 bool
195 spdk_blob_is_clone(struct spdk_blob *blob)
196 {
197 	return false;
198 }
199 
200 bool
201 spdk_blob_is_thin_provisioned(struct spdk_blob *blob)
202 {
203 	return false;
204 }
205 
206 static struct spdk_lvol *_lvol_create(struct spdk_lvol_store *lvs);
207 
208 void
209 spdk_lvs_load(struct spdk_bs_dev *dev,
210 	      spdk_lvs_op_with_handle_complete cb_fn, void *cb_arg)
211 {
212 	struct spdk_lvol_store *lvs;
213 	int i;
214 
215 	if (g_lvserrno == 0) {
216 		lvs = calloc(1, sizeof(*lvs));
217 		SPDK_CU_ASSERT_FATAL(lvs != NULL);
218 		TAILQ_INIT(&lvs->lvols);
219 		TAILQ_INIT(&lvs->pending_lvols);
220 		g_lvol_store = lvs;
221 		for (i = 0; i < g_num_lvols; i++) {
222 			_lvol_create(lvs);
223 		}
224 	}
225 
226 	cb_fn(cb_arg, g_lvol_store, g_lvserrno);
227 }
228 
229 int
230 spdk_bs_bdev_claim(struct spdk_bs_dev *bs_dev, struct spdk_bdev_module *module)
231 {
232 	if (lvol_already_opened == true) {
233 		return -1;
234 	}
235 
236 	lvol_already_opened = true;
237 
238 	return 0;
239 }
240 
241 void
242 spdk_bdev_unregister(struct spdk_bdev *vbdev, spdk_bdev_unregister_cb cb_fn, void *cb_arg)
243 {
244 	SPDK_CU_ASSERT_FATAL(vbdev != NULL);
245 	vbdev->fn_table->destruct(vbdev->ctxt);
246 }
247 
248 void
249 spdk_bdev_module_finish_done(void)
250 {
251 	return;
252 }
253 
254 uint64_t
255 spdk_bs_get_page_size(struct spdk_blob_store *bs)
256 {
257 	return SPDK_BS_PAGE_SIZE;
258 }
259 
260 static void
261 bdev_blob_destroy(struct spdk_bs_dev *bs_dev)
262 {
263 	CU_ASSERT(g_bs_dev != NULL);
264 	CU_ASSERT(bs_dev != NULL);
265 	CU_ASSERT(g_bs_dev == bs_dev);
266 	free(bs_dev);
267 	g_bs_dev = NULL;
268 	lvol_already_opened = false;
269 }
270 
271 struct spdk_bs_dev *
272 spdk_bdev_create_bs_dev(struct spdk_bdev *bdev, spdk_bdev_remove_cb_t remove_cb, void *remove_ctx)
273 {
274 	struct spdk_bs_dev *bs_dev;
275 
276 	if (lvol_already_opened == true || bdev == NULL) {
277 		return NULL;
278 	}
279 
280 	bs_dev = calloc(1, sizeof(*bs_dev));
281 	SPDK_CU_ASSERT_FATAL(bs_dev != NULL);
282 	bs_dev->destroy = bdev_blob_destroy;
283 
284 	CU_ASSERT(g_bs_dev == NULL);
285 	g_bs_dev = bs_dev;
286 	return bs_dev;
287 }
288 
289 void
290 spdk_lvs_opts_init(struct spdk_lvs_opts *opts)
291 {
292 }
293 
294 int
295 spdk_lvs_init(struct spdk_bs_dev *bs_dev, struct spdk_lvs_opts *o,
296 	      spdk_lvs_op_with_handle_complete cb_fn, void *cb_arg)
297 {
298 	struct spdk_lvol_store *lvs;
299 	int error = 0;
300 
301 	if (lvol_store_initialize_fail) {
302 		return -1;
303 	}
304 
305 	if (lvol_store_initialize_cb_fail) {
306 		bs_dev->destroy(bs_dev);
307 		lvs = NULL;
308 		error = -1;
309 	} else {
310 		lvs = calloc(1, sizeof(*lvs));
311 		SPDK_CU_ASSERT_FATAL(lvs != NULL);
312 		TAILQ_INIT(&lvs->lvols);
313 		TAILQ_INIT(&lvs->pending_lvols);
314 		spdk_uuid_generate(&lvs->uuid);
315 		snprintf(lvs->name, sizeof(lvs->name), "%s", o->name);
316 		lvs->bs_dev = bs_dev;
317 		error = 0;
318 	}
319 	cb_fn(cb_arg, lvs, error);
320 
321 	return 0;
322 }
323 
324 int
325 spdk_lvs_unload(struct spdk_lvol_store *lvs, spdk_lvs_op_complete cb_fn, void *cb_arg)
326 {
327 	struct spdk_lvol *lvol, *tmp;
328 
329 	TAILQ_FOREACH_SAFE(lvol, &lvs->lvols, link, tmp) {
330 		TAILQ_REMOVE(&lvs->lvols, lvol, link);
331 		free(lvol->unique_id);
332 		free(lvol);
333 	}
334 	g_lvol_store = NULL;
335 	free(lvs);
336 
337 	g_bs_dev->destroy(g_bs_dev);
338 
339 	if (cb_fn != NULL) {
340 		cb_fn(cb_arg, 0);
341 	}
342 
343 	return 0;
344 }
345 
346 int
347 spdk_lvs_destroy(struct spdk_lvol_store *lvs, spdk_lvs_op_complete cb_fn,
348 		 void *cb_arg)
349 {
350 	struct spdk_lvol *lvol, *tmp;
351 	char *alias;
352 
353 	TAILQ_FOREACH_SAFE(lvol, &lvs->lvols, link, tmp) {
354 		TAILQ_REMOVE(&lvs->lvols, lvol, link);
355 
356 		alias = spdk_sprintf_alloc("%s/%s", lvs->name, lvol->name);
357 		if (alias == NULL) {
358 			SPDK_ERRLOG("Cannot alloc memory for alias\n");
359 			return -1;
360 		}
361 		spdk_bdev_alias_del(lvol->bdev, alias);
362 
363 		free(alias);
364 		free(lvol->unique_id);
365 		free(lvol);
366 	}
367 	g_lvol_store = NULL;
368 	free(lvs);
369 
370 	g_bs_dev->destroy(g_bs_dev);
371 
372 	if (cb_fn != NULL) {
373 		cb_fn(cb_arg, 0);
374 	}
375 
376 	return 0;
377 }
378 
379 void
380 spdk_lvol_resize(struct spdk_lvol *lvol, size_t sz,  spdk_lvol_op_complete cb_fn, void *cb_arg)
381 {
382 	cb_fn(cb_arg, 0);
383 }
384 
385 int
386 spdk_bdev_notify_blockcnt_change(struct spdk_bdev *bdev, uint64_t size)
387 {
388 	bdev->blockcnt = size;
389 	return 0;
390 }
391 
392 uint64_t
393 spdk_bs_get_cluster_size(struct spdk_blob_store *bs)
394 {
395 	return g_cluster_size;
396 }
397 
398 struct spdk_bdev *
399 spdk_bdev_get_by_name(const char *bdev_name)
400 {
401 	if (!strcmp(g_base_bdev->name, bdev_name)) {
402 		return g_base_bdev;
403 	}
404 
405 	return NULL;
406 }
407 
408 void
409 spdk_lvol_close(struct spdk_lvol *lvol, spdk_lvol_op_complete cb_fn, void *cb_arg)
410 {
411 	struct spdk_lvs_req *destruct_req;
412 	struct spdk_lvol *iter_lvol, *tmp;
413 	bool all_lvols_closed = true;
414 
415 	lvol->ref_count--;
416 
417 	TAILQ_FOREACH_SAFE(iter_lvol, &lvol->lvol_store->lvols, link, tmp) {
418 		if (iter_lvol->ref_count != 0) {
419 			all_lvols_closed = false;
420 		}
421 	}
422 
423 	destruct_req = lvol->lvol_store->destruct_req;
424 	if (destruct_req && all_lvols_closed == true) {
425 		if (!lvol->lvol_store->destruct) {
426 			spdk_lvs_unload(lvol->lvol_store, destruct_req->cb_fn, destruct_req->cb_arg);
427 			free(destruct_req);
428 		}
429 	}
430 
431 	cb_fn(cb_arg, 0);
432 }
433 
434 void
435 spdk_lvol_destroy(struct spdk_lvol *lvol, spdk_lvol_op_complete cb_fn, void *cb_arg)
436 {
437 	struct spdk_lvs_req *destruct_req;
438 
439 	SPDK_CU_ASSERT_FATAL(lvol == g_lvol);
440 
441 	if (lvol->ref_count != 0) {
442 		cb_fn(cb_arg, -ENODEV);
443 	}
444 
445 	TAILQ_REMOVE(&lvol->lvol_store->lvols, lvol, link);
446 
447 	destruct_req = lvol->lvol_store->destruct_req;
448 	if (destruct_req && TAILQ_EMPTY(&lvol->lvol_store->lvols)) {
449 		if (!lvol->lvol_store->destruct) {
450 			spdk_lvs_unload(lvol->lvol_store, destruct_req->cb_fn, destruct_req->cb_arg);
451 		} else {
452 			spdk_lvs_destroy(lvol->lvol_store, destruct_req->cb_fn, destruct_req->cb_arg);
453 			free(destruct_req);
454 		}
455 	}
456 	g_lvol = NULL;
457 	free(lvol->unique_id);
458 	free(lvol);
459 
460 	cb_fn(cb_arg, 0);
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 	g_examine_done = true;
602 }
603 
604 static struct spdk_lvol *
605 _lvol_create(struct spdk_lvol_store *lvs)
606 {
607 	struct spdk_lvol *lvol = calloc(1, sizeof(*lvol));
608 
609 	SPDK_CU_ASSERT_FATAL(lvol != NULL);
610 
611 	lvol->lvol_store = lvs;
612 	lvol->ref_count++;
613 	lvol->unique_id = spdk_sprintf_alloc("%s", "UNIT_TEST_UUID");
614 	SPDK_CU_ASSERT_FATAL(lvol->unique_id != NULL);
615 
616 	TAILQ_INSERT_TAIL(&lvol->lvol_store->lvols, lvol, link);
617 
618 	return lvol;
619 }
620 
621 int
622 spdk_lvol_create(struct spdk_lvol_store *lvs, const char *name, size_t sz,
623 		 bool thin_provision, spdk_lvol_op_with_handle_complete cb_fn, void *cb_arg)
624 {
625 	struct spdk_lvol *lvol;
626 
627 	lvol = _lvol_create(lvs);
628 	snprintf(lvol->name, sizeof(lvol->name), "%s", name);
629 	cb_fn(cb_arg, lvol, 0);
630 
631 	return 0;
632 }
633 
634 void
635 spdk_lvol_create_snapshot(struct spdk_lvol *lvol, const char *snapshot_name,
636 			  spdk_lvol_op_with_handle_complete cb_fn, void *cb_arg)
637 {
638 	struct spdk_lvol *snap;
639 
640 	snap = _lvol_create(lvol->lvol_store);
641 	snprintf(snap->name, sizeof(snap->name), "%s", snapshot_name);
642 	cb_fn(cb_arg, snap, 0);
643 }
644 
645 void
646 spdk_lvol_create_clone(struct spdk_lvol *lvol, const char *clone_name,
647 		       spdk_lvol_op_with_handle_complete cb_fn, void *cb_arg)
648 {
649 	struct spdk_lvol *clone;
650 
651 	clone = _lvol_create(lvol->lvol_store);
652 	snprintf(clone->name, sizeof(clone->name), "%s", clone_name);
653 	cb_fn(cb_arg, clone, 0);
654 }
655 
656 static void
657 lvol_store_op_complete(void *cb_arg, int lvserrno)
658 {
659 	g_lvserrno = lvserrno;
660 	return;
661 }
662 
663 static void
664 lvol_store_op_with_handle_complete(void *cb_arg, struct spdk_lvol_store *lvs, int lvserrno)
665 {
666 	g_lvserrno = lvserrno;
667 	g_lvol_store = lvs;
668 	return;
669 }
670 
671 static void
672 vbdev_lvol_create_complete(void *cb_arg, struct spdk_lvol *lvol, int lvolerrno)
673 {
674 	g_lvolerrno = lvolerrno;
675 	g_lvol = lvol;
676 }
677 
678 static void
679 vbdev_lvol_resize_complete(void *cb_arg, int lvolerrno)
680 {
681 	g_lvolerrno = lvolerrno;
682 }
683 
684 static void
685 vbdev_lvol_rename_complete(void *cb_arg, int lvolerrno)
686 {
687 	g_lvolerrno = lvolerrno;
688 }
689 
690 static void
691 ut_lvs_destroy(void)
692 {
693 	int rc = 0;
694 	int sz = 10;
695 	struct spdk_lvol_store *lvs;
696 
697 	/* Lvol store is succesfully created */
698 	rc = vbdev_lvs_create(&g_bdev, "lvs", 0, lvol_store_op_with_handle_complete, NULL);
699 	CU_ASSERT(rc == 0);
700 	CU_ASSERT(g_lvserrno == 0);
701 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
702 	CU_ASSERT(g_bs_dev != NULL);
703 
704 	/* Create g_base_dev */
705 	g_lvs_bdev = calloc(1, sizeof(*g_lvs_bdev));
706 	SPDK_CU_ASSERT_FATAL(g_lvs_bdev != NULL);
707 	g_base_bdev = calloc(1, sizeof(*g_base_bdev));
708 	SPDK_CU_ASSERT_FATAL(g_base_bdev != NULL);
709 	g_lvs_bdev->bdev = g_base_bdev;
710 
711 	lvs = g_lvol_store;
712 	g_lvol_store = NULL;
713 
714 	spdk_uuid_generate(&lvs->uuid);
715 
716 	/* Suuccessfully create lvol, which should be unloaded with lvs later */
717 	g_lvolerrno = -1;
718 	rc = vbdev_lvol_create(lvs, "lvol", sz, false, vbdev_lvol_create_complete, NULL);
719 	CU_ASSERT(rc == 0);
720 	CU_ASSERT(g_lvolerrno == 0);
721 	SPDK_CU_ASSERT_FATAL(g_lvol != NULL);
722 
723 	/* Unload lvol store */
724 	vbdev_lvs_destruct(lvs, lvol_store_op_complete, NULL);
725 	CU_ASSERT(g_lvserrno == 0);
726 	CU_ASSERT(g_lvol_store == NULL);
727 
728 	free(g_lvs_bdev);
729 	free(g_base_bdev);
730 }
731 
732 static void
733 ut_lvol_init(void)
734 {
735 	int sz = 10;
736 	int rc;
737 
738 	g_lvs = calloc(1, sizeof(*g_lvs));
739 	SPDK_CU_ASSERT_FATAL(g_lvs != NULL);
740 	TAILQ_INIT(&g_lvs->lvols);
741 	g_lvs_bdev = calloc(1, sizeof(*g_lvs_bdev));
742 	SPDK_CU_ASSERT_FATAL(g_lvs_bdev != NULL);
743 	g_base_bdev = calloc(1, sizeof(*g_base_bdev));
744 	SPDK_CU_ASSERT_FATAL(g_base_bdev != NULL);
745 
746 	/* Assign name to lvs */
747 	snprintf(g_lvs->name, sizeof(g_lvs->name), "UNIT_TEST_LVS_NAME");
748 	SPDK_CU_ASSERT_FATAL(g_lvs->name != NULL);
749 
750 	g_lvs_bdev->lvs = g_lvs;
751 	g_lvs_bdev->bdev = g_base_bdev;
752 
753 	spdk_uuid_generate(&g_lvs->uuid);
754 
755 	TAILQ_INSERT_TAIL(&g_spdk_lvol_pairs, g_lvs_bdev, lvol_stores);
756 
757 	/* Successful lvol create */
758 	g_lvolerrno = -1;
759 	rc = vbdev_lvol_create(g_lvs, "lvol", sz, false, vbdev_lvol_create_complete, NULL);
760 	SPDK_CU_ASSERT_FATAL(rc == 0);
761 	CU_ASSERT(g_lvol != NULL);
762 	CU_ASSERT(g_lvolerrno == 0);
763 
764 	/* Successful lvol destruct */
765 	vbdev_lvol_destruct(g_lvol);
766 	CU_ASSERT(g_lvol == NULL);
767 
768 	TAILQ_REMOVE(&g_spdk_lvol_pairs, g_lvs_bdev, lvol_stores);
769 
770 	free(g_lvs);
771 	free(g_lvs_bdev);
772 	free(g_base_bdev);
773 }
774 
775 static void
776 ut_lvol_snapshot(void)
777 {
778 	int sz = 10;
779 	int rc;
780 	struct spdk_lvol *lvol = NULL;
781 
782 	g_lvs = calloc(1, sizeof(*g_lvs));
783 	SPDK_CU_ASSERT_FATAL(g_lvs != NULL);
784 	TAILQ_INIT(&g_lvs->lvols);
785 	g_lvs_bdev = calloc(1, sizeof(*g_lvs_bdev));
786 	SPDK_CU_ASSERT_FATAL(g_lvs_bdev != NULL);
787 	g_base_bdev = calloc(1, sizeof(*g_base_bdev));
788 	SPDK_CU_ASSERT_FATAL(g_base_bdev != NULL);
789 
790 	/* Assign name to lvs */
791 	snprintf(g_lvs->name, sizeof(g_lvs->name), "UNIT_TEST_LVS_NAME");
792 	SPDK_CU_ASSERT_FATAL(g_lvs->name != NULL);
793 
794 	g_lvs_bdev->lvs = g_lvs;
795 	g_lvs_bdev->bdev = g_base_bdev;
796 
797 	spdk_uuid_generate(&g_lvs->uuid);
798 
799 	TAILQ_INSERT_TAIL(&g_spdk_lvol_pairs, g_lvs_bdev, lvol_stores);
800 
801 	/* Successful lvol create */
802 	g_lvolerrno = -1;
803 	rc = vbdev_lvol_create(g_lvs, "lvol", sz, false, vbdev_lvol_create_complete, NULL);
804 	SPDK_CU_ASSERT_FATAL(rc == 0);
805 	CU_ASSERT(g_lvol != NULL);
806 	CU_ASSERT(g_lvolerrno == 0);
807 
808 	lvol = g_lvol;
809 
810 	/* Successful snap create */
811 	vbdev_lvol_create_snapshot(lvol, "snap", vbdev_lvol_create_complete, NULL);
812 	SPDK_CU_ASSERT_FATAL(rc == 0);
813 	CU_ASSERT(g_lvol != NULL);
814 	CU_ASSERT(g_lvolerrno == 0);
815 
816 	/* Successful lvol destruct */
817 	vbdev_lvol_destruct(g_lvol);
818 	CU_ASSERT(g_lvol == NULL);
819 
820 	/* Successful snap destruct */
821 	g_lvol = lvol;
822 	vbdev_lvol_destruct(g_lvol);
823 	CU_ASSERT(g_lvol == NULL);
824 
825 	TAILQ_REMOVE(&g_spdk_lvol_pairs, g_lvs_bdev, lvol_stores);
826 
827 	free(g_lvs);
828 	free(g_lvs_bdev);
829 	free(g_base_bdev);
830 }
831 
832 static void
833 ut_lvol_clone(void)
834 {
835 	int sz = 10;
836 	int rc;
837 	struct spdk_lvol *lvol = NULL;
838 	struct spdk_lvol *snap = NULL;
839 	struct spdk_lvol *clone = NULL;
840 
841 	g_lvs = calloc(1, sizeof(*g_lvs));
842 	SPDK_CU_ASSERT_FATAL(g_lvs != NULL);
843 	TAILQ_INIT(&g_lvs->lvols);
844 	g_lvs_bdev = calloc(1, sizeof(*g_lvs_bdev));
845 	SPDK_CU_ASSERT_FATAL(g_lvs_bdev != NULL);
846 	g_base_bdev = calloc(1, sizeof(*g_base_bdev));
847 	SPDK_CU_ASSERT_FATAL(g_base_bdev != NULL);
848 
849 	/* Assign name to lvs */
850 	snprintf(g_lvs->name, sizeof(g_lvs->name), "UNIT_TEST_LVS_NAME");
851 	SPDK_CU_ASSERT_FATAL(g_lvs->name != NULL);
852 
853 	g_lvs_bdev->lvs = g_lvs;
854 	g_lvs_bdev->bdev = g_base_bdev;
855 
856 	spdk_uuid_generate(&g_lvs->uuid);
857 
858 	TAILQ_INSERT_TAIL(&g_spdk_lvol_pairs, g_lvs_bdev, lvol_stores);
859 
860 	/* Successful lvol create */
861 	g_lvolerrno = -1;
862 	rc = vbdev_lvol_create(g_lvs, "lvol", sz, false, vbdev_lvol_create_complete, NULL);
863 	SPDK_CU_ASSERT_FATAL(rc == 0);
864 	SPDK_CU_ASSERT_FATAL(g_lvol != NULL);
865 	CU_ASSERT(g_lvolerrno == 0);
866 
867 	lvol = g_lvol;
868 
869 	/* Successful snap create */
870 	vbdev_lvol_create_snapshot(lvol, "snap", vbdev_lvol_create_complete, NULL);
871 	SPDK_CU_ASSERT_FATAL(rc == 0);
872 	SPDK_CU_ASSERT_FATAL(g_lvol != NULL);
873 	CU_ASSERT(g_lvolerrno == 0);
874 
875 	snap = g_lvol;
876 
877 	/* Successful clone create */
878 	vbdev_lvol_create_clone(snap, "clone", vbdev_lvol_create_complete, NULL);
879 
880 	SPDK_CU_ASSERT_FATAL(rc == 0);
881 	SPDK_CU_ASSERT_FATAL(g_lvol != NULL);
882 	CU_ASSERT(g_lvolerrno == 0);
883 
884 	clone = g_lvol;
885 
886 	/* Successful lvol destruct */
887 	g_lvol = lvol;
888 	vbdev_lvol_destruct(g_lvol);
889 	CU_ASSERT(g_lvol == NULL);
890 
891 	/* Successful clone destruct */
892 	g_lvol = clone;
893 	vbdev_lvol_destruct(g_lvol);
894 	CU_ASSERT(g_lvol == NULL);
895 
896 	/* Successful snap destruct */
897 	g_lvol = snap;
898 	vbdev_lvol_destruct(g_lvol);
899 	CU_ASSERT(g_lvol == NULL);
900 
901 	TAILQ_REMOVE(&g_spdk_lvol_pairs, g_lvs_bdev, lvol_stores);
902 
903 	free(g_lvs);
904 	free(g_lvs_bdev);
905 	free(g_base_bdev);
906 }
907 
908 static void
909 ut_lvol_hotremove(void)
910 {
911 	int rc = 0;
912 
913 	lvol_store_initialize_fail = false;
914 	lvol_store_initialize_cb_fail = false;
915 	lvol_already_opened = false;
916 	g_bs_dev = NULL;
917 
918 	/* Lvol store is succesfully created */
919 	rc = vbdev_lvs_create(&g_bdev, "lvs", 0, lvol_store_op_with_handle_complete, NULL);
920 	CU_ASSERT(rc == 0);
921 	CU_ASSERT(g_lvserrno == 0);
922 	CU_ASSERT(g_lvol_store != NULL);
923 	CU_ASSERT(g_bs_dev != NULL);
924 
925 	/* Hot remove callback with NULL - stability check */
926 	vbdev_lvs_hotremove_cb(NULL);
927 
928 	/* Hot remove lvs on bdev removal */
929 	vbdev_lvs_hotremove_cb(&g_bdev);
930 
931 	CU_ASSERT(g_lvol_store == NULL);
932 	CU_ASSERT(TAILQ_EMPTY(&g_spdk_lvol_pairs));
933 
934 }
935 
936 static void
937 ut_lvol_examine(void)
938 {
939 	struct spdk_bdev *bdev;
940 
941 	lvol_already_opened = false;
942 	g_bs_dev = NULL;
943 	g_lvserrno = 0;
944 	g_examine_done = false;
945 
946 	/* Examine unsuccessfully - bdev already opened */
947 	g_bs_dev = NULL;
948 	g_examine_done = false;
949 	g_lvserrno = -1;
950 	lvol_already_opened = true;
951 	vbdev_lvs_examine(&g_bdev);
952 	CU_ASSERT(g_bs_dev == NULL);
953 	CU_ASSERT(g_lvol_store == NULL);
954 	CU_ASSERT(g_examine_done == true);
955 
956 	/* Examine unsuccessfully - fail on lvol store */
957 	g_bs_dev = NULL;
958 	g_examine_done = false;
959 	g_lvserrno = -1;
960 	lvol_already_opened = false;
961 	vbdev_lvs_examine(&g_bdev);
962 	CU_ASSERT(g_bs_dev != NULL);
963 	CU_ASSERT(g_lvol_store == NULL);
964 	CU_ASSERT(g_examine_done == true);
965 	CU_ASSERT(TAILQ_EMPTY(&g_spdk_lvol_pairs));
966 	free(g_bs_dev);
967 
968 	/* Examine unsuccesfully - fail on lvol load */
969 	g_bs_dev = NULL;
970 	g_lvserrno = 0;
971 	g_lvolerrno = -1;
972 	g_num_lvols = 1;
973 	g_examine_done = false;
974 	lvol_already_opened = false;
975 	g_registered_bdevs = 0;
976 	vbdev_lvs_examine(&g_bdev);
977 	CU_ASSERT(g_bs_dev != NULL);
978 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
979 	CU_ASSERT(g_examine_done == true);
980 	CU_ASSERT(g_registered_bdevs == 0);
981 	CU_ASSERT(!TAILQ_EMPTY(&g_spdk_lvol_pairs));
982 	CU_ASSERT(TAILQ_EMPTY(&g_lvol_store->lvols));
983 	vbdev_lvs_destruct(g_lvol_store, lvol_store_op_complete, NULL);
984 	free(g_bs_dev);
985 
986 	/* Examine succesfully */
987 	g_lvs = calloc(1, sizeof(*g_lvs));
988 	SPDK_CU_ASSERT_FATAL(g_lvs != NULL);
989 	TAILQ_INIT(&g_lvs->lvols);
990 	g_lvs_bdev = calloc(1, sizeof(*g_lvs_bdev));
991 	SPDK_CU_ASSERT_FATAL(g_lvs_bdev != NULL);
992 	g_base_bdev = calloc(1, sizeof(*g_base_bdev));
993 	SPDK_CU_ASSERT_FATAL(g_base_bdev != NULL);
994 
995 	/* Assign name to lvs */
996 	snprintf(g_lvs->name, sizeof(g_lvs->name), "UNIT_TEST_LVS_NAME");
997 	SPDK_CU_ASSERT_FATAL(g_lvs->name != NULL);
998 
999 	g_bs_dev = NULL;
1000 	g_lvserrno = 0;
1001 	g_lvolerrno = 0;
1002 	g_examine_done = false;
1003 	g_registered_bdevs = 0;
1004 	lvol_already_opened = false;
1005 	vbdev_lvs_examine(&g_bdev);
1006 	CU_ASSERT(g_bs_dev != NULL);
1007 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
1008 	CU_ASSERT(g_examine_done == true);
1009 	CU_ASSERT(g_registered_bdevs != 0);
1010 	CU_ASSERT(!TAILQ_EMPTY(&g_spdk_lvol_pairs));
1011 	SPDK_CU_ASSERT_FATAL(!TAILQ_EMPTY(&g_lvol_store->lvols));
1012 	TAILQ_FIRST(&g_lvol_store->lvols)->ref_count--;
1013 	bdev = TAILQ_FIRST(&g_lvol_store->lvols)->bdev;
1014 	vbdev_lvs_destruct(g_lvol_store, lvol_store_op_complete, NULL);
1015 	free(bdev->name);
1016 	free(bdev);
1017 	free(g_bs_dev);
1018 	free(g_lvol_store);
1019 
1020 	free(g_lvs);
1021 	free(g_lvs_bdev);
1022 	free(g_base_bdev);
1023 }
1024 
1025 static void
1026 ut_lvol_rename(void)
1027 {
1028 	struct spdk_lvol *lvol;
1029 	struct spdk_lvol *lvol2;
1030 	int sz = 10;
1031 	int rc;
1032 
1033 	g_lvs = calloc(1, sizeof(*g_lvs));
1034 	SPDK_CU_ASSERT_FATAL(g_lvs != NULL);
1035 	TAILQ_INIT(&g_lvs->lvols);
1036 	g_lvs_bdev = calloc(1, sizeof(*g_lvs_bdev));
1037 	SPDK_CU_ASSERT_FATAL(g_lvs_bdev != NULL);
1038 	g_base_bdev = calloc(1, sizeof(*g_base_bdev));
1039 	SPDK_CU_ASSERT_FATAL(g_base_bdev != NULL);
1040 
1041 	/* Assign name to lvs */
1042 	snprintf(g_lvs->name, sizeof(g_lvs->name), "UNIT_TEST_LVS_NAME");
1043 	SPDK_CU_ASSERT_FATAL(g_lvs->name != NULL);
1044 
1045 	g_lvs_bdev->lvs = g_lvs;
1046 	g_lvs_bdev->bdev = g_base_bdev;
1047 
1048 	spdk_uuid_generate(&g_lvs->uuid);
1049 
1050 	TAILQ_INSERT_TAIL(&g_spdk_lvol_pairs, g_lvs_bdev, lvol_stores);
1051 
1052 	/* Successful lvols create */
1053 	g_lvolerrno = -1;
1054 	rc = vbdev_lvol_create(g_lvs, "lvol", sz, false, vbdev_lvol_create_complete, NULL);
1055 	SPDK_CU_ASSERT_FATAL(rc == 0);
1056 	CU_ASSERT(g_lvol != NULL);
1057 	CU_ASSERT(g_lvolerrno == 0);
1058 	lvol = g_lvol;
1059 
1060 	g_lvolerrno = -1;
1061 	rc = vbdev_lvol_create(g_lvs, "lvol2", sz, false, vbdev_lvol_create_complete, NULL);
1062 	SPDK_CU_ASSERT_FATAL(rc == 0);
1063 	CU_ASSERT(g_lvol != NULL);
1064 	CU_ASSERT(g_lvolerrno == 0);
1065 	lvol2 = g_lvol;
1066 
1067 	/* Successful rename lvol */
1068 	vbdev_lvol_rename(lvol, "new_lvol_name", vbdev_lvol_rename_complete, NULL);
1069 	SPDK_CU_ASSERT_FATAL(g_lvolerrno == 0);
1070 	CU_ASSERT_STRING_EQUAL(lvol->name, "new_lvol_name");
1071 
1072 	/* Renaming lvol with name already existing */
1073 	g_bdev_alias_already_exists = true;
1074 	vbdev_lvol_rename(lvol2, "new_lvol_name", vbdev_lvol_rename_complete, NULL);
1075 	g_bdev_alias_already_exists = false;
1076 	SPDK_CU_ASSERT_FATAL(g_lvolerrno != 0);
1077 	CU_ASSERT_STRING_NOT_EQUAL(lvol2->name, "new_lvol_name");
1078 
1079 	/* Renaming lvol with it's own name */
1080 	vbdev_lvol_rename(lvol, "new_lvol_name", vbdev_lvol_rename_complete, NULL);
1081 	SPDK_CU_ASSERT_FATAL(g_lvolerrno == 0);
1082 	CU_ASSERT_STRING_EQUAL(lvol->name, "new_lvol_name");
1083 
1084 	/* Successful lvols destruct */
1085 	g_lvol = lvol;
1086 	vbdev_lvol_destruct(g_lvol);
1087 	CU_ASSERT(g_lvol == NULL);
1088 
1089 	g_lvol = lvol2;
1090 	vbdev_lvol_destruct(g_lvol);
1091 	CU_ASSERT(g_lvol == NULL);
1092 
1093 	TAILQ_REMOVE(&g_spdk_lvol_pairs, g_lvs_bdev, lvol_stores);
1094 
1095 	free(g_lvs);
1096 	free(g_lvs_bdev);
1097 	free(g_base_bdev);
1098 }
1099 
1100 static void
1101 ut_lvol_resize(void)
1102 {
1103 	int sz = 10;
1104 	int rc = 0;
1105 
1106 	g_lvs = calloc(1, sizeof(*g_lvs));
1107 	SPDK_CU_ASSERT_FATAL(g_lvs != NULL);
1108 
1109 	TAILQ_INIT(&g_lvs->lvols);
1110 
1111 	g_lvs_bdev = calloc(1, sizeof(*g_lvs_bdev));
1112 	SPDK_CU_ASSERT_FATAL(g_lvs_bdev != NULL);
1113 	g_base_bdev = calloc(1, sizeof(*g_base_bdev));
1114 	SPDK_CU_ASSERT_FATAL(g_base_bdev != NULL);
1115 
1116 	/* Assign name to bdev */
1117 	g_base_bdev->name = strdup("UNIT_TEST_LVS_NAME/old_lvol");
1118 	SPDK_CU_ASSERT_FATAL(g_base_bdev->name != NULL);
1119 
1120 	g_lvs_bdev->lvs = g_lvs;
1121 	g_lvs_bdev->bdev = g_base_bdev;
1122 
1123 	spdk_uuid_generate(&g_lvs->uuid);
1124 	g_base_bdev->blocklen = 4096;
1125 	TAILQ_INSERT_TAIL(&g_spdk_lvol_pairs, g_lvs_bdev, lvol_stores);
1126 
1127 	/* Successful lvol create */
1128 	g_lvolerrno = -1;
1129 	rc = vbdev_lvol_create(g_lvs, "lvol", sz, false, vbdev_lvol_create_complete, NULL);
1130 	CU_ASSERT(rc == 0);
1131 	CU_ASSERT(g_lvolerrno == 0);
1132 	SPDK_CU_ASSERT_FATAL(g_lvol != NULL);
1133 
1134 	g_base_bdev->ctxt = g_lvol;
1135 
1136 	free(g_base_bdev->name);
1137 	g_base_bdev->name = spdk_sprintf_alloc("%s", g_lvol->unique_id);
1138 	SPDK_CU_ASSERT_FATAL(g_base_bdev->name != NULL);
1139 
1140 	g_lvolerrno = -1;
1141 	/* Successful lvol resize */
1142 	vbdev_lvol_resize(g_lvol, 20, vbdev_lvol_resize_complete, NULL);
1143 	CU_ASSERT(g_lvolerrno == 0);
1144 	CU_ASSERT(g_base_bdev->blockcnt == 20 * g_cluster_size / g_base_bdev->blocklen);
1145 
1146 	/* Resize with NULL lvol */
1147 	vbdev_lvol_resize(NULL, 20, vbdev_lvol_resize_complete, NULL);
1148 	CU_ASSERT(g_lvolerrno != 0);
1149 
1150 	/* Successful lvol destruct */
1151 	vbdev_lvol_destruct(g_lvol);
1152 	CU_ASSERT(g_lvol == NULL);
1153 
1154 	TAILQ_REMOVE(&g_spdk_lvol_pairs, g_lvs_bdev, lvol_stores);
1155 	free(g_lvs);
1156 	free(g_lvs_bdev);
1157 	free(g_base_bdev->name);
1158 	free(g_base_bdev);
1159 }
1160 
1161 static void
1162 ut_lvs_unload(void)
1163 {
1164 	int rc = 0;
1165 	int sz = 10;
1166 	struct spdk_lvol_store *lvs;
1167 
1168 	/* Lvol store is succesfully created */
1169 	rc = vbdev_lvs_create(&g_bdev, "lvs", 0, lvol_store_op_with_handle_complete, NULL);
1170 	CU_ASSERT(rc == 0);
1171 	CU_ASSERT(g_lvserrno == 0);
1172 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
1173 	CU_ASSERT(g_bs_dev != NULL);
1174 
1175 	/* Create g_base_dev */
1176 	g_lvs_bdev = calloc(1, sizeof(*g_lvs_bdev));
1177 	SPDK_CU_ASSERT_FATAL(g_lvs_bdev != NULL);
1178 	g_base_bdev = calloc(1, sizeof(*g_base_bdev));
1179 	SPDK_CU_ASSERT_FATAL(g_base_bdev != NULL);
1180 	g_lvs_bdev->bdev = g_base_bdev;
1181 
1182 	lvs = g_lvol_store;
1183 	g_lvol_store = NULL;
1184 
1185 	spdk_uuid_generate(&lvs->uuid);
1186 
1187 	/* Suuccessfully create lvol, which should be destroyed with lvs later */
1188 	g_lvolerrno = -1;
1189 	rc = vbdev_lvol_create(lvs, "lvol", sz, false, vbdev_lvol_create_complete, NULL);
1190 	CU_ASSERT(rc == 0);
1191 	CU_ASSERT(g_lvolerrno == 0);
1192 	SPDK_CU_ASSERT_FATAL(g_lvol != NULL);
1193 
1194 	/* Unload lvol store */
1195 	vbdev_lvs_unload(lvs, lvol_store_op_complete, NULL);
1196 	CU_ASSERT(g_lvserrno == 0);
1197 	CU_ASSERT(g_lvol_store == NULL);
1198 	CU_ASSERT(g_lvol != NULL);
1199 
1200 	free(g_lvs_bdev);
1201 	free(g_base_bdev);
1202 }
1203 
1204 static void
1205 ut_lvs_init(void)
1206 {
1207 	int rc = 0;
1208 	struct spdk_lvol_store *lvs;
1209 	struct spdk_bs_dev *bs_dev_temp;
1210 
1211 	/* spdk_lvs_init() fails */
1212 	lvol_store_initialize_fail = true;
1213 
1214 	rc = vbdev_lvs_create(&g_bdev, "lvs", 0, lvol_store_op_with_handle_complete, NULL);
1215 	CU_ASSERT(rc != 0);
1216 	CU_ASSERT(g_lvserrno == 0);
1217 	CU_ASSERT(g_lvol_store == NULL);
1218 	CU_ASSERT(g_bs_dev == NULL);
1219 
1220 	lvol_store_initialize_fail = false;
1221 
1222 	/* spdk_lvs_init_cb() fails */
1223 	lvol_store_initialize_cb_fail = true;
1224 
1225 	rc = vbdev_lvs_create(&g_bdev, "lvs", 0, lvol_store_op_with_handle_complete, NULL);
1226 	CU_ASSERT(rc == 0);
1227 	CU_ASSERT(g_lvserrno != 0);
1228 	CU_ASSERT(g_lvol_store == NULL);
1229 	CU_ASSERT(g_bs_dev == NULL);
1230 
1231 	lvol_store_initialize_cb_fail = false;
1232 
1233 	/* Lvol store is succesfully created */
1234 	rc = vbdev_lvs_create(&g_bdev, "lvs", 0, lvol_store_op_with_handle_complete, NULL);
1235 	CU_ASSERT(rc == 0);
1236 	CU_ASSERT(g_lvserrno == 0);
1237 	CU_ASSERT(g_lvol_store != NULL);
1238 	CU_ASSERT(g_bs_dev != NULL);
1239 
1240 	lvs = g_lvol_store;
1241 	g_lvol_store = NULL;
1242 	bs_dev_temp = g_bs_dev;
1243 	g_bs_dev = NULL;
1244 
1245 	/* Bdev with lvol store already claimed */
1246 	rc = vbdev_lvs_create(&g_bdev, "lvs", 0, lvol_store_op_with_handle_complete, NULL);
1247 	CU_ASSERT(rc != 0);
1248 	CU_ASSERT(g_lvserrno == 0);
1249 	CU_ASSERT(g_lvol_store == NULL);
1250 	CU_ASSERT(g_bs_dev == NULL);
1251 
1252 	/* Destruct lvol store */
1253 	g_bs_dev = bs_dev_temp;
1254 
1255 	vbdev_lvs_destruct(lvs, lvol_store_op_complete, NULL);
1256 	CU_ASSERT(g_lvserrno == 0);
1257 	CU_ASSERT(g_lvol_store == NULL);
1258 	CU_ASSERT(g_bs_dev == NULL);
1259 	free(g_bs_dev);
1260 
1261 }
1262 
1263 static void
1264 ut_vbdev_lvol_get_io_channel(void)
1265 {
1266 	struct spdk_io_channel *ch;
1267 
1268 	g_lvol = calloc(1, sizeof(struct spdk_lvol));
1269 	SPDK_CU_ASSERT_FATAL(g_lvol != NULL);
1270 
1271 	ch = vbdev_lvol_get_io_channel(g_lvol);
1272 	CU_ASSERT(ch == g_ch);
1273 
1274 	free(g_lvol);
1275 }
1276 
1277 static void
1278 ut_vbdev_lvol_io_type_supported(void)
1279 {
1280 	struct spdk_lvol *lvol;
1281 	bool ret;
1282 
1283 	lvol = calloc(1, sizeof(struct spdk_lvol));
1284 	SPDK_CU_ASSERT_FATAL(lvol != NULL);
1285 
1286 	g_blob_is_read_only = false;
1287 
1288 	/* Supported types */
1289 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_READ);
1290 	CU_ASSERT(ret == true);
1291 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_WRITE);
1292 	CU_ASSERT(ret == true);
1293 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_RESET);
1294 	CU_ASSERT(ret == true);
1295 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_UNMAP);
1296 	CU_ASSERT(ret == true);
1297 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_WRITE_ZEROES);
1298 	CU_ASSERT(ret == true);
1299 
1300 	/* Unsupported types */
1301 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_FLUSH);
1302 	CU_ASSERT(ret == false);
1303 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_NVME_ADMIN);
1304 	CU_ASSERT(ret == false);
1305 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_NVME_IO);
1306 	CU_ASSERT(ret == false);
1307 
1308 	g_blob_is_read_only = true;
1309 
1310 	/* Supported types */
1311 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_READ);
1312 	CU_ASSERT(ret == true);
1313 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_RESET);
1314 	CU_ASSERT(ret == true);
1315 
1316 	/* Unsupported types */
1317 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_WRITE);
1318 	CU_ASSERT(ret == false);
1319 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_UNMAP);
1320 	CU_ASSERT(ret == false);
1321 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_WRITE_ZEROES);
1322 	CU_ASSERT(ret == false);
1323 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_FLUSH);
1324 	CU_ASSERT(ret == false);
1325 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_NVME_ADMIN);
1326 	CU_ASSERT(ret == false);
1327 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_NVME_IO);
1328 	CU_ASSERT(ret == false);
1329 
1330 	free(lvol);
1331 }
1332 
1333 static void
1334 ut_lvol_op_comp(void)
1335 {
1336 	struct lvol_task task;
1337 
1338 	lvol_op_comp(&task, 1);
1339 	CU_ASSERT(task.status == SPDK_BDEV_IO_STATUS_FAILED);
1340 }
1341 
1342 static void
1343 ut_lvol_read_write(void)
1344 {
1345 	g_io = calloc(1, sizeof(struct spdk_bdev_io) + sizeof(struct lvol_task));
1346 	SPDK_CU_ASSERT_FATAL(g_io != NULL);
1347 	g_base_bdev = calloc(1, sizeof(struct spdk_bdev));
1348 	SPDK_CU_ASSERT_FATAL(g_base_bdev != NULL);
1349 	g_lvol = calloc(1, sizeof(struct spdk_lvol));
1350 	SPDK_CU_ASSERT_FATAL(g_lvol != NULL);
1351 
1352 	g_task = (struct lvol_task *)g_io->driver_ctx;
1353 	g_io->bdev = g_base_bdev;
1354 	g_io->bdev->ctxt = g_lvol;
1355 	g_io->u.bdev.offset_blocks = 20;
1356 	g_io->u.bdev.num_blocks = 20;
1357 
1358 	lvol_read(g_ch, g_io);
1359 	CU_ASSERT(g_task->status == SPDK_BDEV_IO_STATUS_SUCCESS);
1360 
1361 	lvol_write(g_lvol, g_ch, g_io);
1362 	CU_ASSERT(g_task->status == SPDK_BDEV_IO_STATUS_SUCCESS);
1363 
1364 	free(g_io);
1365 	free(g_base_bdev);
1366 	free(g_lvol);
1367 }
1368 
1369 static void
1370 ut_vbdev_lvol_submit_request(void)
1371 {
1372 	struct spdk_lvol request_lvol = {};
1373 	g_io = calloc(1, sizeof(struct spdk_bdev_io) + sizeof(struct lvol_task));
1374 	SPDK_CU_ASSERT_FATAL(g_io != NULL);
1375 	g_base_bdev = calloc(1, sizeof(struct spdk_bdev));
1376 	SPDK_CU_ASSERT_FATAL(g_base_bdev != NULL);
1377 	g_task = (struct lvol_task *)g_io->driver_ctx;
1378 	g_io->bdev = g_base_bdev;
1379 
1380 	g_io->type = SPDK_BDEV_IO_TYPE_READ;
1381 	g_base_bdev->ctxt = &request_lvol;
1382 	vbdev_lvol_submit_request(g_ch, g_io);
1383 
1384 	free(g_io);
1385 	free(g_base_bdev);
1386 }
1387 
1388 static void
1389 ut_lvs_rename(void)
1390 {
1391 	int rc = 0;
1392 	int sz = 10;
1393 	struct spdk_lvol_store *lvs;
1394 	struct spdk_bs_dev *b_bdev;
1395 
1396 	/* Lvol store is succesfully created */
1397 	rc = vbdev_lvs_create(&g_bdev, "old_lvs_name", 0, lvol_store_op_with_handle_complete, NULL);
1398 	CU_ASSERT(rc == 0);
1399 	CU_ASSERT(g_lvserrno == 0);
1400 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
1401 	CU_ASSERT(g_bs_dev != NULL);
1402 	b_bdev = g_bs_dev;
1403 
1404 	g_bs_dev = NULL;
1405 	lvs = g_lvol_store;
1406 	g_lvol_store = NULL;
1407 
1408 	g_base_bdev = calloc(1, sizeof(*g_base_bdev));
1409 	SPDK_CU_ASSERT_FATAL(g_base_bdev != NULL);
1410 
1411 	/* Successfully create lvol, which should be destroyed with lvs later */
1412 	g_lvolerrno = -1;
1413 	rc = vbdev_lvol_create(lvs, "lvol", sz, false, vbdev_lvol_create_complete, NULL);
1414 	CU_ASSERT(rc == 0);
1415 	CU_ASSERT(g_lvolerrno == 0);
1416 	SPDK_CU_ASSERT_FATAL(g_lvol != NULL);
1417 
1418 	/* Trying to rename lvs with lvols created */
1419 	vbdev_lvs_rename(lvs, "new_lvs_name", lvol_store_op_complete, NULL);
1420 	CU_ASSERT(g_lvserrno == 0);
1421 	CU_ASSERT_STRING_EQUAL(lvs->name, "new_lvs_name");
1422 	CU_ASSERT_STRING_EQUAL(TAILQ_FIRST(&g_lvol->bdev->aliases)->alias, "new_lvs_name/lvol");
1423 
1424 	/* Trying to rename lvs with name already used by another lvs */
1425 	/* This is a bdev_lvol test, so g_lvs_with_name_already_exists simulates
1426 	 * existing lvs with name 'another_new_lvs_name' and this name in fact is not compared */
1427 	g_lvs_with_name_already_exists = true;
1428 	vbdev_lvs_rename(lvs, "another_new_lvs_name", lvol_store_op_complete, NULL);
1429 	CU_ASSERT(g_lvserrno == -EEXIST);
1430 	CU_ASSERT_STRING_EQUAL(lvs->name, "new_lvs_name");
1431 	CU_ASSERT_STRING_EQUAL(TAILQ_FIRST(&g_lvol->bdev->aliases)->alias, "new_lvs_name/lvol");
1432 	g_lvs_with_name_already_exists = false;
1433 
1434 	/* Unload lvol store */
1435 	g_lvol_store = lvs;
1436 	g_bs_dev = b_bdev;
1437 	vbdev_lvs_destruct(g_lvol_store, lvol_store_op_complete, NULL);
1438 	CU_ASSERT(g_lvserrno == 0);
1439 	CU_ASSERT(g_lvol_store == NULL);
1440 
1441 	free(g_base_bdev->name);
1442 	free(g_base_bdev);
1443 }
1444 
1445 int main(int argc, char **argv)
1446 {
1447 	CU_pSuite	suite = NULL;
1448 	unsigned int	num_failures;
1449 
1450 	if (CU_initialize_registry() != CUE_SUCCESS) {
1451 		return CU_get_error();
1452 	}
1453 
1454 	suite = CU_add_suite("lvol", NULL, NULL);
1455 	if (suite == NULL) {
1456 		CU_cleanup_registry();
1457 		return CU_get_error();
1458 	}
1459 
1460 	if (
1461 		CU_add_test(suite, "ut_lvs_init", ut_lvs_init) == NULL ||
1462 		CU_add_test(suite, "ut_lvol_init", ut_lvol_init) == NULL ||
1463 		CU_add_test(suite, "ut_lvol_snapshot", ut_lvol_snapshot) == NULL ||
1464 		CU_add_test(suite, "ut_lvol_clone", ut_lvol_clone) == NULL ||
1465 		CU_add_test(suite, "ut_lvs_destroy", ut_lvs_destroy) == NULL ||
1466 		CU_add_test(suite, "ut_lvs_unload", ut_lvs_unload) == NULL ||
1467 		CU_add_test(suite, "ut_lvol_resize", ut_lvol_resize) == NULL ||
1468 		CU_add_test(suite, "lvol_hotremove", ut_lvol_hotremove) == NULL ||
1469 		CU_add_test(suite, "ut_vbdev_lvol_get_io_channel", ut_vbdev_lvol_get_io_channel) == NULL ||
1470 		CU_add_test(suite, "ut_vbdev_lvol_io_type_supported", ut_vbdev_lvol_io_type_supported) == NULL ||
1471 		CU_add_test(suite, "ut_lvol_op_comp", ut_lvol_op_comp) == NULL ||
1472 		CU_add_test(suite, "ut_lvol_read_write", ut_lvol_read_write) == NULL ||
1473 		CU_add_test(suite, "ut_vbdev_lvol_submit_request", ut_vbdev_lvol_submit_request) == NULL ||
1474 		CU_add_test(suite, "lvol_examine", ut_lvol_examine) == NULL ||
1475 		CU_add_test(suite, "ut_lvol_rename", ut_lvol_rename) == NULL ||
1476 		CU_add_test(suite, "ut_lvs_rename", ut_lvs_rename) == NULL
1477 	) {
1478 		CU_cleanup_registry();
1479 		return CU_get_error();
1480 	}
1481 
1482 	CU_basic_set_mode(CU_BRM_VERBOSE);
1483 	CU_basic_run_tests();
1484 	num_failures = CU_get_number_of_failures();
1485 	CU_cleanup_registry();
1486 	return num_failures;
1487 }
1488