xref: /spdk/test/unit/lib/bdev/vbdev_lvol.c/vbdev_lvol_ut.c (revision cc6920a4763d4b9a43aa40583c8397d8f14fa100)
1 /*-
2  *   BSD LICENSE
3  *
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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 #include "unit/lib/json_mock.c"
40 
41 #define SPDK_BS_PAGE_SIZE 0x1000
42 
43 int g_lvolerrno;
44 int g_lvserrno;
45 int g_cluster_size;
46 int g_registered_bdevs;
47 int g_num_lvols = 0;
48 struct spdk_lvol_store *g_lvs = NULL;
49 struct spdk_lvol *g_lvol = NULL;
50 struct lvol_store_bdev *g_lvs_bdev = NULL;
51 struct spdk_bdev *g_base_bdev = NULL;
52 struct spdk_bdev_io *g_io = NULL;
53 struct spdk_io_channel *g_ch = NULL;
54 
55 static struct spdk_bdev g_bdev = {};
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 DEFINE_STUB_V(spdk_bdev_module_fini_start_done, (void));
65 
66 const struct spdk_bdev_aliases_list *
67 spdk_bdev_get_aliases(const struct spdk_bdev *bdev)
68 {
69 	return &bdev->aliases;
70 }
71 
72 int
73 spdk_bdev_alias_add(struct spdk_bdev *bdev, const char *alias)
74 {
75 	struct spdk_bdev_alias *tmp;
76 
77 	CU_ASSERT(alias != NULL);
78 	CU_ASSERT(bdev != NULL);
79 	if (g_bdev_alias_already_exists) {
80 		return -EEXIST;
81 	}
82 
83 	tmp = calloc(1, sizeof(*tmp));
84 	SPDK_CU_ASSERT_FATAL(tmp != NULL);
85 
86 	tmp->alias.name = strdup(alias);
87 	SPDK_CU_ASSERT_FATAL(tmp->alias.name != NULL);
88 
89 	TAILQ_INSERT_TAIL(&bdev->aliases, tmp, tailq);
90 
91 	return 0;
92 }
93 
94 int
95 spdk_bdev_alias_del(struct spdk_bdev *bdev, const char *alias)
96 {
97 	struct spdk_bdev_alias *tmp;
98 
99 	CU_ASSERT(bdev != NULL);
100 
101 	TAILQ_FOREACH(tmp, &bdev->aliases, tailq) {
102 		SPDK_CU_ASSERT_FATAL(alias != NULL);
103 		if (strncmp(alias, tmp->alias.name, SPDK_LVOL_NAME_MAX) == 0) {
104 			TAILQ_REMOVE(&bdev->aliases, tmp, tailq);
105 			free(tmp->alias.name);
106 			free(tmp);
107 			return 0;
108 		}
109 	}
110 
111 	return -ENOENT;
112 }
113 
114 void
115 spdk_bdev_alias_del_all(struct spdk_bdev *bdev)
116 {
117 	struct spdk_bdev_alias *p, *tmp;
118 
119 	TAILQ_FOREACH_SAFE(p, &bdev->aliases, tailq, tmp) {
120 		TAILQ_REMOVE(&bdev->aliases, p, tailq);
121 		free(p->alias.name);
122 		free(p);
123 	}
124 }
125 
126 void
127 spdk_bdev_destruct_done(struct spdk_bdev *bdev, int bdeverrno)
128 {
129 	CU_ASSERT(bdeverrno == 0);
130 	SPDK_CU_ASSERT_FATAL(bdev->internal.unregister_cb != NULL);
131 	bdev->internal.unregister_cb(bdev->internal.unregister_ctx, bdeverrno);
132 }
133 
134 void
135 spdk_lvs_rename(struct spdk_lvol_store *lvs, const char *new_name,
136 		spdk_lvs_op_complete cb_fn, void *cb_arg)
137 {
138 	if (g_lvs_with_name_already_exists) {
139 		g_lvolerrno = -EEXIST;
140 	} else {
141 		snprintf(lvs->name, sizeof(lvs->name), "%s", new_name);
142 		g_lvolerrno = 0;
143 	}
144 
145 	cb_fn(cb_arg, g_lvolerrno);
146 }
147 
148 void
149 spdk_lvol_rename(struct spdk_lvol *lvol, const char *new_name,
150 		 spdk_lvol_op_complete cb_fn, void *cb_arg)
151 {
152 	struct spdk_lvol *tmp;
153 
154 	if (strncmp(lvol->name, new_name, SPDK_LVOL_NAME_MAX) == 0) {
155 		cb_fn(cb_arg, 0);
156 		return;
157 	}
158 
159 	TAILQ_FOREACH(tmp, &lvol->lvol_store->lvols, link) {
160 		if (strncmp(tmp->name, new_name, SPDK_LVOL_NAME_MAX) == 0) {
161 			SPDK_ERRLOG("Lvol %s already exists in lvol store %s\n", new_name, lvol->lvol_store->name);
162 			cb_fn(cb_arg, -EEXIST);
163 			return;
164 		}
165 	}
166 
167 	snprintf(lvol->name, sizeof(lvol->name), "%s", new_name);
168 
169 	cb_fn(cb_arg, g_lvolerrno);
170 }
171 
172 void
173 spdk_lvol_open(struct spdk_lvol *lvol, spdk_lvol_op_with_handle_complete cb_fn, void *cb_arg)
174 {
175 	cb_fn(cb_arg, lvol, g_lvolerrno);
176 }
177 
178 uint64_t
179 spdk_blob_get_num_clusters(struct spdk_blob *b)
180 {
181 	return 0;
182 }
183 
184 int
185 spdk_blob_get_clones(struct spdk_blob_store *bs, spdk_blob_id blobid, spdk_blob_id *ids,
186 		     size_t *count)
187 {
188 	*count = 0;
189 	return 0;
190 }
191 
192 spdk_blob_id
193 spdk_blob_get_parent_snapshot(struct spdk_blob_store *bs, spdk_blob_id blobid)
194 {
195 	return 0;
196 }
197 
198 bool g_blob_is_read_only = false;
199 
200 bool
201 spdk_blob_is_read_only(struct spdk_blob *blob)
202 {
203 	return g_blob_is_read_only;
204 }
205 
206 bool
207 spdk_blob_is_snapshot(struct spdk_blob *blob)
208 {
209 	return false;
210 }
211 
212 bool
213 spdk_blob_is_clone(struct spdk_blob *blob)
214 {
215 	return false;
216 }
217 
218 bool
219 spdk_blob_is_thin_provisioned(struct spdk_blob *blob)
220 {
221 	return false;
222 }
223 
224 static struct spdk_lvol *_lvol_create(struct spdk_lvol_store *lvs);
225 
226 void
227 spdk_lvs_load(struct spdk_bs_dev *dev,
228 	      spdk_lvs_op_with_handle_complete cb_fn, void *cb_arg)
229 {
230 	struct spdk_lvol_store *lvs = NULL;
231 	int i;
232 	int lvserrno = g_lvserrno;
233 
234 	if (lvserrno != 0) {
235 		/* On error blobstore destroys bs_dev itself,
236 		 * by puttin back io channels.
237 		 * This operation is asynchronous, and completed
238 		 * after calling the callback for lvol. */
239 		cb_fn(cb_arg, g_lvol_store, lvserrno);
240 		dev->destroy(dev);
241 		return;
242 	}
243 
244 	lvs = calloc(1, sizeof(*lvs));
245 	SPDK_CU_ASSERT_FATAL(lvs != NULL);
246 	TAILQ_INIT(&lvs->lvols);
247 	TAILQ_INIT(&lvs->pending_lvols);
248 	spdk_uuid_generate(&lvs->uuid);
249 	lvs->bs_dev = dev;
250 	for (i = 0; i < g_num_lvols; i++) {
251 		_lvol_create(lvs);
252 	}
253 
254 	cb_fn(cb_arg, lvs, lvserrno);
255 }
256 
257 int
258 spdk_bs_bdev_claim(struct spdk_bs_dev *bs_dev, struct spdk_bdev_module *module)
259 {
260 	if (lvol_already_opened == true) {
261 		return -1;
262 	}
263 
264 	lvol_already_opened = true;
265 
266 	return 0;
267 }
268 
269 static void
270 _spdk_bdev_unregister_cb(void *cb_arg, int rc)
271 {
272 	CU_ASSERT(rc == 0);
273 }
274 
275 void
276 spdk_bdev_unregister(struct spdk_bdev *vbdev, spdk_bdev_unregister_cb cb_fn, void *cb_arg)
277 {
278 	int rc;
279 
280 	SPDK_CU_ASSERT_FATAL(vbdev != NULL);
281 	vbdev->internal.unregister_cb = cb_fn;
282 	vbdev->internal.unregister_ctx = cb_arg;
283 
284 	rc = vbdev->fn_table->destruct(vbdev->ctxt);
285 	CU_ASSERT(rc == 1);
286 }
287 
288 uint64_t
289 spdk_bs_get_page_size(struct spdk_blob_store *bs)
290 {
291 	return SPDK_BS_PAGE_SIZE;
292 }
293 
294 uint64_t
295 spdk_bs_get_io_unit_size(struct spdk_blob_store *bs)
296 {
297 	return SPDK_BS_PAGE_SIZE;
298 }
299 
300 static void
301 bdev_blob_destroy(struct spdk_bs_dev *bs_dev)
302 {
303 	CU_ASSERT(bs_dev != NULL);
304 	free(bs_dev);
305 	lvol_already_opened = false;
306 }
307 
308 static struct spdk_bdev *
309 bdev_blob_get_base_bdev(struct spdk_bs_dev *bs_dev)
310 {
311 	CU_ASSERT(bs_dev != NULL);
312 	return &g_bdev;
313 }
314 
315 int
316 spdk_bdev_create_bs_dev_ext(const char *bdev_name, spdk_bdev_event_cb_t event_cb,
317 			    void *event_ctx, struct spdk_bs_dev **_bs_dev)
318 {
319 	struct spdk_bs_dev *bs_dev;
320 
321 	if (lvol_already_opened == true) {
322 		return -EINVAL;
323 	}
324 
325 	bs_dev = calloc(1, sizeof(*bs_dev));
326 	SPDK_CU_ASSERT_FATAL(bs_dev != NULL);
327 	bs_dev->destroy = bdev_blob_destroy;
328 	bs_dev->get_base_bdev = bdev_blob_get_base_bdev;
329 
330 	*_bs_dev = bs_dev;
331 
332 	return 0;
333 }
334 
335 void
336 spdk_lvs_opts_init(struct spdk_lvs_opts *opts)
337 {
338 }
339 
340 int
341 spdk_lvs_init(struct spdk_bs_dev *bs_dev, struct spdk_lvs_opts *o,
342 	      spdk_lvs_op_with_handle_complete cb_fn, void *cb_arg)
343 {
344 	struct spdk_lvol_store *lvs;
345 	int error = 0;
346 
347 	if (lvol_store_initialize_fail) {
348 		return -1;
349 	}
350 
351 	if (lvol_store_initialize_cb_fail) {
352 		bs_dev->destroy(bs_dev);
353 		lvs = NULL;
354 		error = -1;
355 	} else {
356 		lvs = calloc(1, sizeof(*lvs));
357 		SPDK_CU_ASSERT_FATAL(lvs != NULL);
358 		TAILQ_INIT(&lvs->lvols);
359 		TAILQ_INIT(&lvs->pending_lvols);
360 		spdk_uuid_generate(&lvs->uuid);
361 		snprintf(lvs->name, sizeof(lvs->name), "%s", o->name);
362 		lvs->bs_dev = bs_dev;
363 		error = 0;
364 	}
365 	cb_fn(cb_arg, lvs, error);
366 
367 	return 0;
368 }
369 
370 int
371 spdk_lvs_unload(struct spdk_lvol_store *lvs, spdk_lvs_op_complete cb_fn, void *cb_arg)
372 {
373 	struct spdk_lvol *lvol, *tmp;
374 
375 	TAILQ_FOREACH_SAFE(lvol, &lvs->lvols, link, tmp) {
376 		TAILQ_REMOVE(&lvs->lvols, lvol, link);
377 		free(lvol);
378 	}
379 	g_lvol_store = NULL;
380 
381 	lvs->bs_dev->destroy(lvs->bs_dev);
382 	free(lvs);
383 
384 	if (cb_fn != NULL) {
385 		cb_fn(cb_arg, 0);
386 	}
387 
388 	return 0;
389 }
390 
391 int
392 spdk_lvs_destroy(struct spdk_lvol_store *lvs, spdk_lvs_op_complete cb_fn,
393 		 void *cb_arg)
394 {
395 	struct spdk_lvol *lvol, *tmp;
396 	char *alias;
397 
398 	TAILQ_FOREACH_SAFE(lvol, &lvs->lvols, link, tmp) {
399 		TAILQ_REMOVE(&lvs->lvols, lvol, link);
400 
401 		alias = spdk_sprintf_alloc("%s/%s", lvs->name, lvol->name);
402 		if (alias == NULL) {
403 			SPDK_ERRLOG("Cannot alloc memory for alias\n");
404 			return -1;
405 		}
406 		spdk_bdev_alias_del(lvol->bdev, alias);
407 
408 		free(alias);
409 		free(lvol);
410 	}
411 	g_lvol_store = NULL;
412 
413 	lvs->bs_dev->destroy(lvs->bs_dev);
414 	free(lvs);
415 
416 	if (cb_fn != NULL) {
417 		cb_fn(cb_arg, 0);
418 	}
419 
420 	return 0;
421 }
422 
423 void
424 spdk_lvol_resize(struct spdk_lvol *lvol, size_t sz,  spdk_lvol_op_complete cb_fn, void *cb_arg)
425 {
426 	cb_fn(cb_arg, 0);
427 }
428 
429 void
430 spdk_lvol_set_read_only(struct spdk_lvol *lvol, spdk_lvol_op_complete cb_fn, void *cb_arg)
431 {
432 	cb_fn(cb_arg, 0);
433 }
434 
435 int
436 spdk_bdev_notify_blockcnt_change(struct spdk_bdev *bdev, uint64_t size)
437 {
438 	bdev->blockcnt = size;
439 	return 0;
440 }
441 
442 uint64_t
443 spdk_bs_get_cluster_size(struct spdk_blob_store *bs)
444 {
445 	return g_cluster_size;
446 }
447 
448 struct spdk_bdev *
449 spdk_bdev_get_by_name(const char *bdev_name)
450 {
451 	if (!strcmp(g_base_bdev->name, bdev_name)) {
452 		return g_base_bdev;
453 	}
454 
455 	return NULL;
456 }
457 
458 void
459 spdk_lvol_close(struct spdk_lvol *lvol, spdk_lvol_op_complete cb_fn, void *cb_arg)
460 {
461 	lvol->ref_count--;
462 
463 	SPDK_CU_ASSERT_FATAL(cb_fn != NULL);
464 	cb_fn(cb_arg, 0);
465 }
466 
467 bool
468 spdk_lvol_deletable(struct spdk_lvol *lvol)
469 {
470 	return true;
471 }
472 
473 void
474 spdk_lvol_destroy(struct spdk_lvol *lvol, spdk_lvol_op_complete cb_fn, void *cb_arg)
475 {
476 	if (lvol->ref_count != 0) {
477 		cb_fn(cb_arg, -ENODEV);
478 	}
479 
480 	TAILQ_REMOVE(&lvol->lvol_store->lvols, lvol, link);
481 
482 	SPDK_CU_ASSERT_FATAL(cb_fn != NULL);
483 	cb_fn(cb_arg, 0);
484 
485 	g_lvol = NULL;
486 	free(lvol);
487 }
488 
489 void
490 spdk_bdev_io_complete(struct spdk_bdev_io *bdev_io, enum spdk_bdev_io_status status)
491 {
492 	bdev_io->internal.status = status;
493 }
494 
495 struct spdk_io_channel *spdk_lvol_get_io_channel(struct spdk_lvol *lvol)
496 {
497 	CU_ASSERT(lvol == g_lvol);
498 	return g_ch;
499 }
500 
501 void
502 spdk_bdev_io_get_buf(struct spdk_bdev_io *bdev_io, spdk_bdev_io_get_buf_cb cb, uint64_t len)
503 {
504 	CU_ASSERT(cb == lvol_get_buf_cb);
505 }
506 
507 void
508 spdk_blob_io_read(struct spdk_blob *blob, struct spdk_io_channel *channel,
509 		  void *payload, uint64_t offset, uint64_t length,
510 		  spdk_blob_op_complete cb_fn, void *cb_arg)
511 {
512 	CU_ASSERT(blob == NULL);
513 	CU_ASSERT(channel == g_ch);
514 	CU_ASSERT(offset == g_io->u.bdev.offset_blocks);
515 	CU_ASSERT(length == g_io->u.bdev.num_blocks);
516 	cb_fn(cb_arg, 0);
517 }
518 
519 void
520 spdk_blob_io_write(struct spdk_blob *blob, struct spdk_io_channel *channel,
521 		   void *payload, uint64_t offset, uint64_t length,
522 		   spdk_blob_op_complete cb_fn, void *cb_arg)
523 {
524 	CU_ASSERT(blob == NULL);
525 	CU_ASSERT(channel == g_ch);
526 	CU_ASSERT(offset == g_io->u.bdev.offset_blocks);
527 	CU_ASSERT(length == g_io->u.bdev.num_blocks);
528 	cb_fn(cb_arg, 0);
529 }
530 
531 void
532 spdk_blob_io_unmap(struct spdk_blob *blob, struct spdk_io_channel *channel,
533 		   uint64_t offset, uint64_t length, spdk_blob_op_complete cb_fn, void *cb_arg)
534 {
535 	CU_ASSERT(blob == NULL);
536 	CU_ASSERT(channel == g_ch);
537 	CU_ASSERT(offset == g_io->u.bdev.offset_blocks);
538 	CU_ASSERT(length == g_io->u.bdev.num_blocks);
539 	cb_fn(cb_arg, 0);
540 }
541 
542 void
543 spdk_blob_io_write_zeroes(struct spdk_blob *blob, struct spdk_io_channel *channel,
544 			  uint64_t offset, uint64_t length, spdk_blob_op_complete cb_fn, void *cb_arg)
545 {
546 	CU_ASSERT(blob == NULL);
547 	CU_ASSERT(channel == g_ch);
548 	CU_ASSERT(offset == g_io->u.bdev.offset_blocks);
549 	CU_ASSERT(length == g_io->u.bdev.num_blocks);
550 	cb_fn(cb_arg, 0);
551 }
552 
553 void
554 spdk_blob_io_writev(struct spdk_blob *blob, struct spdk_io_channel *channel,
555 		    struct iovec *iov, int iovcnt, uint64_t offset, uint64_t length,
556 		    spdk_blob_op_complete cb_fn, void *cb_arg)
557 {
558 	CU_ASSERT(blob == NULL);
559 	CU_ASSERT(channel == g_ch);
560 	CU_ASSERT(offset == g_io->u.bdev.offset_blocks);
561 	CU_ASSERT(length == g_io->u.bdev.num_blocks);
562 	cb_fn(cb_arg, 0);
563 }
564 
565 void
566 spdk_blob_io_readv(struct spdk_blob *blob, struct spdk_io_channel *channel,
567 		   struct iovec *iov, int iovcnt, uint64_t offset, uint64_t length,
568 		   spdk_blob_op_complete cb_fn, void *cb_arg)
569 {
570 	CU_ASSERT(blob == NULL);
571 	CU_ASSERT(channel == g_ch);
572 	CU_ASSERT(offset == g_io->u.bdev.offset_blocks);
573 	CU_ASSERT(length == g_io->u.bdev.num_blocks);
574 	cb_fn(cb_arg, 0);
575 }
576 
577 void
578 spdk_bdev_module_list_add(struct spdk_bdev_module *bdev_module)
579 {
580 }
581 
582 const char *
583 spdk_bdev_get_name(const struct spdk_bdev *bdev)
584 {
585 	return "test";
586 }
587 
588 int
589 spdk_bdev_register(struct spdk_bdev *vbdev)
590 {
591 	TAILQ_INIT(&vbdev->aliases);
592 
593 	g_registered_bdevs++;
594 	return 0;
595 }
596 
597 void
598 spdk_bdev_module_examine_done(struct spdk_bdev_module *module)
599 {
600 	SPDK_CU_ASSERT_FATAL(g_examine_done != true);
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 	snprintf(lvol->unique_id, sizeof(lvol->unique_id), "%s", "UNIT_TEST_UUID");
614 
615 	TAILQ_INSERT_TAIL(&lvol->lvol_store->lvols, lvol, link);
616 
617 	return lvol;
618 }
619 
620 int
621 spdk_lvol_create(struct spdk_lvol_store *lvs, const char *name, size_t sz,
622 		 bool thin_provision, enum lvol_clear_method clear_method, spdk_lvol_op_with_handle_complete cb_fn,
623 		 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_set_read_only_complete(void *cb_arg, int lvolerrno)
686 {
687 	g_lvolerrno = lvolerrno;
688 }
689 
690 static void
691 vbdev_lvol_rename_complete(void *cb_arg, int lvolerrno)
692 {
693 	g_lvolerrno = lvolerrno;
694 }
695 
696 static void
697 ut_lvs_destroy(void)
698 {
699 	int rc = 0;
700 	int sz = 10;
701 	struct spdk_lvol_store *lvs;
702 
703 	/* Lvol store is successfully created */
704 	rc = vbdev_lvs_create("bdev", "lvs", 0, LVS_CLEAR_WITH_UNMAP, lvol_store_op_with_handle_complete,
705 			      NULL);
706 	CU_ASSERT(rc == 0);
707 	CU_ASSERT(g_lvserrno == 0);
708 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
709 	CU_ASSERT(g_lvol_store->bs_dev != NULL);
710 
711 	lvs = g_lvol_store;
712 	g_lvol_store = NULL;
713 
714 	spdk_uuid_generate(&lvs->uuid);
715 
716 	/* Successfully create lvol, which should be unloaded with lvs later */
717 	g_lvolerrno = -1;
718 	rc = vbdev_lvol_create(lvs, "lvol", sz, false, LVOL_CLEAR_WITH_DEFAULT, vbdev_lvol_create_complete,
719 			       NULL);
720 	CU_ASSERT(rc == 0);
721 	CU_ASSERT(g_lvolerrno == 0);
722 	SPDK_CU_ASSERT_FATAL(g_lvol != NULL);
723 
724 	/* Unload lvol store */
725 	vbdev_lvs_destruct(lvs, lvol_store_op_complete, NULL);
726 	CU_ASSERT(g_lvserrno == 0);
727 	CU_ASSERT(g_lvol_store == NULL);
728 }
729 
730 static void
731 ut_lvol_init(void)
732 {
733 	struct spdk_lvol_store *lvs;
734 	int sz = 10;
735 	int rc;
736 
737 	/* Lvol store is successfully created */
738 	rc = vbdev_lvs_create("bdev", "lvs", 0, LVS_CLEAR_WITH_UNMAP, lvol_store_op_with_handle_complete,
739 			      NULL);
740 	CU_ASSERT(rc == 0);
741 	CU_ASSERT(g_lvserrno == 0);
742 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
743 	CU_ASSERT(g_lvol_store->bs_dev != NULL);
744 	lvs = g_lvol_store;
745 
746 	/* Successful lvol create */
747 	g_lvolerrno = -1;
748 	rc = vbdev_lvol_create(lvs, "lvol", sz, false, LVOL_CLEAR_WITH_DEFAULT, vbdev_lvol_create_complete,
749 			       NULL);
750 	SPDK_CU_ASSERT_FATAL(rc == 0);
751 	CU_ASSERT(g_lvol != NULL);
752 	CU_ASSERT(g_lvolerrno == 0);
753 
754 	/* Successful lvol destroy */
755 	vbdev_lvol_destroy(g_lvol, lvol_store_op_complete, NULL);
756 	CU_ASSERT(g_lvol == NULL);
757 
758 	/* Destroy lvol store */
759 	vbdev_lvs_destruct(lvs, lvol_store_op_complete, NULL);
760 	CU_ASSERT(g_lvserrno == 0);
761 	CU_ASSERT(g_lvol_store == NULL);
762 }
763 
764 static void
765 ut_lvol_snapshot(void)
766 {
767 	struct spdk_lvol_store *lvs;
768 	int sz = 10;
769 	int rc;
770 	struct spdk_lvol *lvol = NULL;
771 
772 	/* Lvol store is successfully created */
773 	rc = vbdev_lvs_create("bdev", "lvs", 0, LVS_CLEAR_WITH_UNMAP, lvol_store_op_with_handle_complete,
774 			      NULL);
775 	CU_ASSERT(rc == 0);
776 	CU_ASSERT(g_lvserrno == 0);
777 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
778 	CU_ASSERT(g_lvol_store->bs_dev != NULL);
779 	lvs = g_lvol_store;
780 
781 	/* Successful lvol create */
782 	g_lvolerrno = -1;
783 	rc = vbdev_lvol_create(lvs, "lvol", sz, false, LVOL_CLEAR_WITH_DEFAULT, vbdev_lvol_create_complete,
784 			       NULL);
785 	SPDK_CU_ASSERT_FATAL(rc == 0);
786 	SPDK_CU_ASSERT_FATAL(g_lvol != NULL);
787 	CU_ASSERT(g_lvolerrno == 0);
788 
789 	lvol = g_lvol;
790 
791 	/* Successful snap create */
792 	vbdev_lvol_create_snapshot(lvol, "snap", vbdev_lvol_create_complete, NULL);
793 	SPDK_CU_ASSERT_FATAL(rc == 0);
794 	CU_ASSERT(g_lvol != NULL);
795 	CU_ASSERT(g_lvolerrno == 0);
796 
797 	/* Successful lvol destroy */
798 	vbdev_lvol_destroy(g_lvol, lvol_store_op_complete, NULL);
799 	CU_ASSERT(g_lvol == NULL);
800 
801 	/* Successful snap destroy */
802 	g_lvol = lvol;
803 	vbdev_lvol_destroy(g_lvol, lvol_store_op_complete, NULL);
804 	CU_ASSERT(g_lvol == NULL);
805 
806 	/* Destroy lvol store */
807 	vbdev_lvs_destruct(lvs, lvol_store_op_complete, NULL);
808 	CU_ASSERT(g_lvserrno == 0);
809 	CU_ASSERT(g_lvol_store == NULL);
810 }
811 
812 static void
813 ut_lvol_clone(void)
814 {
815 	struct spdk_lvol_store *lvs;
816 	int sz = 10;
817 	int rc;
818 	struct spdk_lvol *lvol = NULL;
819 	struct spdk_lvol *snap = NULL;
820 	struct spdk_lvol *clone = NULL;
821 
822 	/* Lvol store is successfully created */
823 	rc = vbdev_lvs_create("bdev", "lvs", 0, LVS_CLEAR_WITH_UNMAP, lvol_store_op_with_handle_complete,
824 			      NULL);
825 	CU_ASSERT(rc == 0);
826 	CU_ASSERT(g_lvserrno == 0);
827 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
828 	CU_ASSERT(g_lvol_store->bs_dev != NULL);
829 	lvs = g_lvol_store;
830 
831 	/* Successful lvol create */
832 	g_lvolerrno = -1;
833 	rc = vbdev_lvol_create(lvs, "lvol", sz, false, LVOL_CLEAR_WITH_DEFAULT, vbdev_lvol_create_complete,
834 			       NULL);
835 	SPDK_CU_ASSERT_FATAL(rc == 0);
836 	SPDK_CU_ASSERT_FATAL(g_lvol != NULL);
837 	CU_ASSERT(g_lvolerrno == 0);
838 
839 	lvol = g_lvol;
840 
841 	/* Successful snap create */
842 	vbdev_lvol_create_snapshot(lvol, "snap", vbdev_lvol_create_complete, NULL);
843 	SPDK_CU_ASSERT_FATAL(rc == 0);
844 	SPDK_CU_ASSERT_FATAL(g_lvol != NULL);
845 	CU_ASSERT(g_lvolerrno == 0);
846 
847 	snap = g_lvol;
848 
849 	/* Successful clone create */
850 	vbdev_lvol_create_clone(snap, "clone", vbdev_lvol_create_complete, NULL);
851 
852 	SPDK_CU_ASSERT_FATAL(rc == 0);
853 	SPDK_CU_ASSERT_FATAL(g_lvol != NULL);
854 	CU_ASSERT(g_lvolerrno == 0);
855 
856 	clone = g_lvol;
857 
858 	/* Successful lvol destroy */
859 	g_lvol = lvol;
860 	vbdev_lvol_destroy(g_lvol, lvol_store_op_complete, NULL);
861 	CU_ASSERT(g_lvol == NULL);
862 
863 	/* Successful clone destroy */
864 	g_lvol = clone;
865 	vbdev_lvol_destroy(g_lvol, lvol_store_op_complete, NULL);
866 	CU_ASSERT(g_lvol == NULL);
867 
868 	/* Successful lvol destroy */
869 	g_lvol = snap;
870 	vbdev_lvol_destroy(g_lvol, lvol_store_op_complete, NULL);
871 	CU_ASSERT(g_lvol == NULL);
872 
873 	/* Destroy lvol store */
874 	vbdev_lvs_destruct(lvs, lvol_store_op_complete, NULL);
875 	CU_ASSERT(g_lvserrno == 0);
876 	CU_ASSERT(g_lvol_store == NULL);
877 }
878 
879 static void
880 ut_lvol_hotremove(void)
881 {
882 	int rc = 0;
883 
884 	lvol_store_initialize_fail = false;
885 	lvol_store_initialize_cb_fail = false;
886 	lvol_already_opened = false;
887 
888 	/* Lvol store is successfully created */
889 	rc = vbdev_lvs_create("bdev", "lvs", 0, LVS_CLEAR_WITH_UNMAP, lvol_store_op_with_handle_complete,
890 			      NULL);
891 	CU_ASSERT(rc == 0);
892 	CU_ASSERT(g_lvserrno == 0);
893 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
894 	CU_ASSERT(g_lvol_store->bs_dev != NULL);
895 
896 	/* Hot remove callback with NULL - stability check */
897 	vbdev_lvs_hotremove_cb(NULL);
898 
899 	/* Hot remove lvs on bdev removal */
900 	vbdev_lvs_hotremove_cb(&g_bdev);
901 
902 	CU_ASSERT(g_lvol_store == NULL);
903 	CU_ASSERT(TAILQ_EMPTY(&g_spdk_lvol_pairs));
904 
905 }
906 
907 static void
908 ut_lvs_examine_check(bool success)
909 {
910 	struct lvol_store_bdev *lvs_bdev;
911 
912 	/* Examine was finished regardless of result */
913 	CU_ASSERT(g_examine_done == true);
914 	g_examine_done = false;
915 
916 	if (success) {
917 		SPDK_CU_ASSERT_FATAL(!TAILQ_EMPTY(&g_spdk_lvol_pairs));
918 		lvs_bdev = TAILQ_FIRST(&g_spdk_lvol_pairs);
919 		SPDK_CU_ASSERT_FATAL(lvs_bdev != NULL);
920 		g_lvol_store = lvs_bdev->lvs;
921 		SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
922 		CU_ASSERT(g_lvol_store->bs_dev != NULL);
923 	} else {
924 		SPDK_CU_ASSERT_FATAL(TAILQ_EMPTY(&g_spdk_lvol_pairs));
925 		g_lvol_store = NULL;
926 	}
927 }
928 
929 static void
930 ut_lvol_examine(void)
931 {
932 	/* Examine unsuccessfully - bdev already opened */
933 	g_lvserrno = -1;
934 	lvol_already_opened = true;
935 	vbdev_lvs_examine(&g_bdev);
936 	ut_lvs_examine_check(false);
937 
938 	/* Examine unsuccessfully - fail on lvol store */
939 	g_lvserrno = -1;
940 	lvol_already_opened = false;
941 	vbdev_lvs_examine(&g_bdev);
942 	ut_lvs_examine_check(false);
943 
944 	/* Examine successfully
945 	 * - one lvol fails to load
946 	 * - lvs is loaded with no lvols present */
947 	g_lvserrno = 0;
948 	g_lvolerrno = -1;
949 	g_num_lvols = 1;
950 	lvol_already_opened = false;
951 	g_registered_bdevs = 0;
952 	vbdev_lvs_examine(&g_bdev);
953 	ut_lvs_examine_check(true);
954 	CU_ASSERT(g_registered_bdevs == 0);
955 	CU_ASSERT(TAILQ_EMPTY(&g_lvol_store->lvols));
956 	vbdev_lvs_destruct(g_lvol_store, lvol_store_op_complete, NULL);
957 	CU_ASSERT(g_lvserrno == 0);
958 	CU_ASSERT(g_lvol_store == NULL);
959 
960 	/* Examine successfully */
961 	g_lvserrno = 0;
962 	g_lvolerrno = 0;
963 	g_registered_bdevs = 0;
964 	lvol_already_opened = false;
965 	vbdev_lvs_examine(&g_bdev);
966 	ut_lvs_examine_check(true);
967 	CU_ASSERT(g_registered_bdevs != 0);
968 	SPDK_CU_ASSERT_FATAL(!TAILQ_EMPTY(&g_lvol_store->lvols));
969 	vbdev_lvs_destruct(g_lvol_store, lvol_store_op_complete, NULL);
970 	CU_ASSERT(g_lvserrno == 0);
971 }
972 
973 static void
974 ut_lvol_rename(void)
975 {
976 	struct spdk_lvol_store *lvs;
977 	struct spdk_lvol *lvol;
978 	struct spdk_lvol *lvol2;
979 	int sz = 10;
980 	int rc;
981 
982 	/* Lvol store is successfully created */
983 	rc = vbdev_lvs_create("bdev", "lvs", 0, LVS_CLEAR_WITH_UNMAP, lvol_store_op_with_handle_complete,
984 			      NULL);
985 	CU_ASSERT(rc == 0);
986 	CU_ASSERT(g_lvserrno == 0);
987 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
988 	CU_ASSERT(g_lvol_store->bs_dev != NULL);
989 	lvs = g_lvol_store;
990 
991 	/* Successful lvols create */
992 	g_lvolerrno = -1;
993 	rc = vbdev_lvol_create(lvs, "lvol", sz, false, LVOL_CLEAR_WITH_DEFAULT, vbdev_lvol_create_complete,
994 			       NULL);
995 	SPDK_CU_ASSERT_FATAL(rc == 0);
996 	CU_ASSERT(g_lvol != NULL);
997 	CU_ASSERT(g_lvolerrno == 0);
998 	lvol = g_lvol;
999 
1000 	g_lvolerrno = -1;
1001 	rc = vbdev_lvol_create(lvs, "lvol2", sz, false, LVOL_CLEAR_WITH_DEFAULT, vbdev_lvol_create_complete,
1002 			       NULL);
1003 	SPDK_CU_ASSERT_FATAL(rc == 0);
1004 	CU_ASSERT(g_lvol != NULL);
1005 	CU_ASSERT(g_lvolerrno == 0);
1006 	lvol2 = g_lvol;
1007 
1008 	/* Successful rename lvol */
1009 	vbdev_lvol_rename(lvol, "new_lvol_name", vbdev_lvol_rename_complete, NULL);
1010 	SPDK_CU_ASSERT_FATAL(g_lvolerrno == 0);
1011 	CU_ASSERT_STRING_EQUAL(lvol->name, "new_lvol_name");
1012 
1013 	/* Renaming lvol with name already existing */
1014 	g_bdev_alias_already_exists = true;
1015 	vbdev_lvol_rename(lvol2, "new_lvol_name", vbdev_lvol_rename_complete, NULL);
1016 	g_bdev_alias_already_exists = false;
1017 	SPDK_CU_ASSERT_FATAL(g_lvolerrno != 0);
1018 	CU_ASSERT_STRING_NOT_EQUAL(lvol2->name, "new_lvol_name");
1019 
1020 	/* Renaming lvol with it's own name */
1021 	vbdev_lvol_rename(lvol, "new_lvol_name", vbdev_lvol_rename_complete, NULL);
1022 	SPDK_CU_ASSERT_FATAL(g_lvolerrno == 0);
1023 	CU_ASSERT_STRING_EQUAL(lvol->name, "new_lvol_name");
1024 
1025 	/* Successful lvols destroy */
1026 	vbdev_lvol_destroy(lvol, lvol_store_op_complete, NULL);
1027 	CU_ASSERT(g_lvol == NULL);
1028 
1029 	vbdev_lvol_destroy(lvol2, lvol_store_op_complete, NULL);
1030 	CU_ASSERT(g_lvol == NULL);
1031 
1032 	/* Destroy lvol store */
1033 	vbdev_lvs_destruct(lvs, lvol_store_op_complete, NULL);
1034 	CU_ASSERT(g_lvserrno == 0);
1035 	CU_ASSERT(g_lvol_store == NULL);
1036 }
1037 
1038 static void
1039 ut_bdev_finish(void)
1040 {
1041 	struct spdk_lvol_store *lvs;
1042 	struct spdk_lvol *lvol;
1043 	struct spdk_lvol *lvol2;
1044 	int sz = 10;
1045 	int rc;
1046 
1047 	/* Scenario 1
1048 	 * Test unload of lvs with no lvols during bdev finish. */
1049 
1050 	rc = vbdev_lvs_create("bdev", "lvs", 0, LVS_CLEAR_WITH_UNMAP,
1051 			      lvol_store_op_with_handle_complete, NULL);
1052 	CU_ASSERT(rc == 0);
1053 	CU_ASSERT(g_lvserrno == 0);
1054 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
1055 	lvs = g_lvol_store;
1056 
1057 	/* Start bdev finish */
1058 	vbdev_lvs_fini_start();
1059 	CU_ASSERT(g_shutdown_started == true);
1060 
1061 	/* During shutdown, lvs with no lvols should be unloaded */
1062 	CU_ASSERT(g_lvol_store == NULL);
1063 	CU_ASSERT(TAILQ_EMPTY(&g_spdk_lvol_pairs));
1064 
1065 	/* Revert module state back to normal */
1066 	g_shutdown_started = false;
1067 
1068 	/* Scenario 2
1069 	 * Test creating lvs with two lvols. Delete first lvol explicitly,
1070 	 * then start bdev finish. This should unload the remaining lvol and
1071 	 * lvol store. */
1072 
1073 	rc = vbdev_lvs_create("bdev", "lvs", 0, LVS_CLEAR_WITH_UNMAP,
1074 			      lvol_store_op_with_handle_complete, NULL);
1075 	CU_ASSERT(rc == 0);
1076 	CU_ASSERT(g_lvserrno == 0);
1077 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
1078 	lvs = g_lvol_store;
1079 
1080 	rc = vbdev_lvol_create(lvs, "lvol", sz, false, LVOL_CLEAR_WITH_DEFAULT,
1081 			       vbdev_lvol_create_complete, NULL);
1082 	SPDK_CU_ASSERT_FATAL(rc == 0);
1083 	CU_ASSERT(g_lvol != NULL);
1084 	CU_ASSERT(g_lvolerrno == 0);
1085 	lvol = g_lvol;
1086 
1087 	rc = vbdev_lvol_create(lvs, "lvol2", sz, false, LVOL_CLEAR_WITH_DEFAULT,
1088 			       vbdev_lvol_create_complete, NULL);
1089 	SPDK_CU_ASSERT_FATAL(rc == 0);
1090 	CU_ASSERT(g_lvol != NULL);
1091 	CU_ASSERT(g_lvolerrno == 0);
1092 	lvol2 = g_lvol;
1093 
1094 	/* Destroy explicitly first lvol */
1095 	vbdev_lvol_destroy(lvol, lvol_store_op_complete, NULL);
1096 	CU_ASSERT(g_lvol == NULL);
1097 	CU_ASSERT(g_lvolerrno == 0);
1098 
1099 	/* Start bdev finish and unregister remaining lvol */
1100 	vbdev_lvs_fini_start();
1101 	CU_ASSERT(g_shutdown_started == true);
1102 	spdk_bdev_unregister(lvol2->bdev, _spdk_bdev_unregister_cb, NULL);
1103 
1104 	/* During shutdown, removal of last lvol should unload lvs */
1105 	CU_ASSERT(g_lvol_store == NULL);
1106 	CU_ASSERT(TAILQ_EMPTY(&g_spdk_lvol_pairs));
1107 
1108 	/* Revert module state back to normal */
1109 	g_shutdown_started = false;
1110 }
1111 
1112 static void
1113 ut_lvol_resize(void)
1114 {
1115 	struct spdk_lvol_store *lvs;
1116 	struct spdk_lvol *lvol;
1117 	int sz = 10;
1118 	int rc = 0;
1119 
1120 	/* Lvol store is successfully created */
1121 	rc = vbdev_lvs_create("bdev", "lvs", 0, LVS_CLEAR_WITH_UNMAP, lvol_store_op_with_handle_complete,
1122 			      NULL);
1123 	CU_ASSERT(rc == 0);
1124 	CU_ASSERT(g_lvserrno == 0);
1125 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
1126 	CU_ASSERT(g_lvol_store->bs_dev != NULL);
1127 	lvs = g_lvol_store;
1128 
1129 	/* Successful lvol create */
1130 	g_lvolerrno = -1;
1131 	rc = vbdev_lvol_create(lvs, "lvol", sz, false, LVOL_CLEAR_WITH_DEFAULT, vbdev_lvol_create_complete,
1132 			       NULL);
1133 	CU_ASSERT(rc == 0);
1134 	CU_ASSERT(g_lvolerrno == 0);
1135 	SPDK_CU_ASSERT_FATAL(g_lvol != NULL);
1136 	lvol = g_lvol;
1137 
1138 	/* Successful lvol resize */
1139 	g_lvolerrno = -1;
1140 	vbdev_lvol_resize(lvol, 20, vbdev_lvol_resize_complete, NULL);
1141 	CU_ASSERT(g_lvolerrno == 0);
1142 	CU_ASSERT(lvol->bdev->blockcnt == 20 * g_cluster_size / lvol->bdev->blocklen);
1143 
1144 	/* Resize with NULL lvol */
1145 	vbdev_lvol_resize(NULL, 20, vbdev_lvol_resize_complete, NULL);
1146 	CU_ASSERT(g_lvolerrno != 0);
1147 
1148 	/* Successful lvol destroy */
1149 	vbdev_lvol_destroy(lvol, lvol_store_op_complete, NULL);
1150 	CU_ASSERT(g_lvol == NULL);
1151 
1152 	/* Destroy lvol store */
1153 	vbdev_lvs_destruct(lvs, lvol_store_op_complete, NULL);
1154 	CU_ASSERT(g_lvserrno == 0);
1155 	CU_ASSERT(g_lvol_store == NULL);
1156 }
1157 
1158 static void
1159 ut_lvol_set_read_only(void)
1160 {
1161 	struct spdk_lvol_store *lvs;
1162 	struct spdk_lvol *lvol;
1163 	int sz = 10;
1164 	int rc = 0;
1165 
1166 	/* Lvol store is successfully created */
1167 	rc = vbdev_lvs_create("bdev", "lvs", 0, LVS_CLEAR_WITH_UNMAP, lvol_store_op_with_handle_complete,
1168 			      NULL);
1169 	CU_ASSERT(rc == 0);
1170 	CU_ASSERT(g_lvserrno == 0);
1171 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
1172 	CU_ASSERT(g_lvol_store->bs_dev != NULL);
1173 	lvs = g_lvol_store;
1174 
1175 	/* Successful lvol create */
1176 	g_lvolerrno = -1;
1177 	rc = vbdev_lvol_create(lvs, "lvol", sz, false, LVOL_CLEAR_WITH_DEFAULT, vbdev_lvol_create_complete,
1178 			       NULL);
1179 	CU_ASSERT(rc == 0);
1180 	CU_ASSERT(g_lvolerrno == 0);
1181 	SPDK_CU_ASSERT_FATAL(g_lvol != NULL);
1182 	lvol = g_lvol;
1183 
1184 	/* Successful set lvol as read only */
1185 	g_lvolerrno = -1;
1186 	vbdev_lvol_set_read_only(lvol, vbdev_lvol_set_read_only_complete, NULL);
1187 	CU_ASSERT(g_lvolerrno == 0);
1188 
1189 	/* Successful lvol destroy */
1190 	vbdev_lvol_destroy(lvol, lvol_store_op_complete, NULL);
1191 	CU_ASSERT(g_lvol == NULL);
1192 
1193 	/* Destroy 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_lvs_unload(void)
1201 {
1202 	int rc = 0;
1203 	int sz = 10;
1204 	struct spdk_lvol_store *lvs;
1205 
1206 	/* Lvol store is successfully created */
1207 	rc = vbdev_lvs_create("bdev", "lvs", 0, LVS_CLEAR_WITH_UNMAP, lvol_store_op_with_handle_complete,
1208 			      NULL);
1209 	CU_ASSERT(rc == 0);
1210 	CU_ASSERT(g_lvserrno == 0);
1211 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
1212 	CU_ASSERT(g_lvol_store->bs_dev != NULL);
1213 
1214 	lvs = g_lvol_store;
1215 	g_lvol_store = NULL;
1216 
1217 	spdk_uuid_generate(&lvs->uuid);
1218 
1219 	/* Successfully create lvol, which should be destroyed with lvs later */
1220 	g_lvolerrno = -1;
1221 	rc = vbdev_lvol_create(lvs, "lvol", sz, false, LVOL_CLEAR_WITH_DEFAULT, vbdev_lvol_create_complete,
1222 			       NULL);
1223 	CU_ASSERT(rc == 0);
1224 	CU_ASSERT(g_lvolerrno == 0);
1225 	SPDK_CU_ASSERT_FATAL(g_lvol != NULL);
1226 
1227 	/* Unload lvol store */
1228 	vbdev_lvs_unload(lvs, lvol_store_op_complete, NULL);
1229 	CU_ASSERT(g_lvserrno == 0);
1230 	CU_ASSERT(g_lvol_store == NULL);
1231 	CU_ASSERT(g_lvol != NULL);
1232 }
1233 
1234 static void
1235 ut_lvs_init(void)
1236 {
1237 	int rc = 0;
1238 	struct spdk_lvol_store *lvs;
1239 
1240 	/* spdk_lvs_init() fails */
1241 	lvol_store_initialize_fail = true;
1242 
1243 	rc = vbdev_lvs_create("bdev", "lvs", 0, LVS_CLEAR_WITH_UNMAP, lvol_store_op_with_handle_complete,
1244 			      NULL);
1245 	CU_ASSERT(rc != 0);
1246 	CU_ASSERT(g_lvserrno == 0);
1247 	CU_ASSERT(g_lvol_store == NULL);
1248 
1249 	lvol_store_initialize_fail = false;
1250 
1251 	/* spdk_lvs_init_cb() fails */
1252 	lvol_store_initialize_cb_fail = true;
1253 
1254 	rc = vbdev_lvs_create("bdev", "lvs", 0, LVS_CLEAR_WITH_UNMAP, lvol_store_op_with_handle_complete,
1255 			      NULL);
1256 	CU_ASSERT(rc == 0);
1257 	CU_ASSERT(g_lvserrno != 0);
1258 	CU_ASSERT(g_lvol_store == NULL);
1259 
1260 	lvol_store_initialize_cb_fail = false;
1261 
1262 	/* Lvol store is successfully created */
1263 	rc = vbdev_lvs_create("bdev", "lvs", 0, LVS_CLEAR_WITH_UNMAP, lvol_store_op_with_handle_complete,
1264 			      NULL);
1265 	CU_ASSERT(rc == 0);
1266 	CU_ASSERT(g_lvserrno == 0);
1267 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
1268 	CU_ASSERT(g_lvol_store->bs_dev != NULL);
1269 
1270 	lvs = g_lvol_store;
1271 	g_lvol_store = NULL;
1272 
1273 	/* Bdev with lvol store already claimed */
1274 	rc = vbdev_lvs_create("bdev", "lvs", 0, LVS_CLEAR_WITH_UNMAP, lvol_store_op_with_handle_complete,
1275 			      NULL);
1276 	CU_ASSERT(rc != 0);
1277 	CU_ASSERT(g_lvserrno == 0);
1278 	CU_ASSERT(g_lvol_store == NULL);
1279 
1280 	/* Destruct lvol store */
1281 	vbdev_lvs_destruct(lvs, lvol_store_op_complete, NULL);
1282 	CU_ASSERT(g_lvserrno == 0);
1283 	CU_ASSERT(g_lvol_store == NULL);
1284 }
1285 
1286 static void
1287 ut_vbdev_lvol_get_io_channel(void)
1288 {
1289 	struct spdk_io_channel *ch;
1290 
1291 	g_lvol = calloc(1, sizeof(struct spdk_lvol));
1292 	SPDK_CU_ASSERT_FATAL(g_lvol != NULL);
1293 
1294 	ch = vbdev_lvol_get_io_channel(g_lvol);
1295 	CU_ASSERT(ch == g_ch);
1296 
1297 	free(g_lvol);
1298 }
1299 
1300 static void
1301 ut_vbdev_lvol_io_type_supported(void)
1302 {
1303 	struct spdk_lvol *lvol;
1304 	bool ret;
1305 
1306 	lvol = calloc(1, sizeof(struct spdk_lvol));
1307 	SPDK_CU_ASSERT_FATAL(lvol != NULL);
1308 
1309 	g_blob_is_read_only = false;
1310 
1311 	/* Supported types */
1312 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_READ);
1313 	CU_ASSERT(ret == true);
1314 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_WRITE);
1315 	CU_ASSERT(ret == true);
1316 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_RESET);
1317 	CU_ASSERT(ret == true);
1318 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_UNMAP);
1319 	CU_ASSERT(ret == true);
1320 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_WRITE_ZEROES);
1321 	CU_ASSERT(ret == true);
1322 
1323 	/* Unsupported types */
1324 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_FLUSH);
1325 	CU_ASSERT(ret == false);
1326 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_NVME_ADMIN);
1327 	CU_ASSERT(ret == false);
1328 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_NVME_IO);
1329 	CU_ASSERT(ret == false);
1330 
1331 	g_blob_is_read_only = true;
1332 
1333 	/* Supported types */
1334 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_READ);
1335 	CU_ASSERT(ret == true);
1336 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_RESET);
1337 	CU_ASSERT(ret == true);
1338 
1339 	/* Unsupported types */
1340 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_WRITE);
1341 	CU_ASSERT(ret == false);
1342 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_UNMAP);
1343 	CU_ASSERT(ret == false);
1344 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_WRITE_ZEROES);
1345 	CU_ASSERT(ret == false);
1346 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_FLUSH);
1347 	CU_ASSERT(ret == false);
1348 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_NVME_ADMIN);
1349 	CU_ASSERT(ret == false);
1350 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_NVME_IO);
1351 	CU_ASSERT(ret == false);
1352 
1353 	free(lvol);
1354 }
1355 
1356 static void
1357 ut_lvol_read_write(void)
1358 {
1359 	g_io = calloc(1, sizeof(struct spdk_bdev_io));
1360 	SPDK_CU_ASSERT_FATAL(g_io != NULL);
1361 	g_base_bdev = calloc(1, sizeof(struct spdk_bdev));
1362 	SPDK_CU_ASSERT_FATAL(g_base_bdev != NULL);
1363 	g_lvol = calloc(1, sizeof(struct spdk_lvol));
1364 	SPDK_CU_ASSERT_FATAL(g_lvol != NULL);
1365 
1366 	g_io->bdev = g_base_bdev;
1367 	g_io->bdev->ctxt = g_lvol;
1368 	g_io->u.bdev.offset_blocks = 20;
1369 	g_io->u.bdev.num_blocks = 20;
1370 
1371 	lvol_read(g_ch, g_io);
1372 	CU_ASSERT(g_io->internal.status = SPDK_BDEV_IO_STATUS_SUCCESS);
1373 
1374 	lvol_write(g_lvol, g_ch, g_io);
1375 	CU_ASSERT(g_io->internal.status = SPDK_BDEV_IO_STATUS_SUCCESS);
1376 
1377 	free(g_io);
1378 	free(g_base_bdev);
1379 	free(g_lvol);
1380 }
1381 
1382 static void
1383 ut_vbdev_lvol_submit_request(void)
1384 {
1385 	struct spdk_lvol request_lvol = {};
1386 	g_io = calloc(1, sizeof(struct spdk_bdev_io));
1387 	SPDK_CU_ASSERT_FATAL(g_io != NULL);
1388 	g_base_bdev = calloc(1, sizeof(struct spdk_bdev));
1389 	SPDK_CU_ASSERT_FATAL(g_base_bdev != NULL);
1390 	g_io->bdev = g_base_bdev;
1391 
1392 	g_io->type = SPDK_BDEV_IO_TYPE_READ;
1393 	g_base_bdev->ctxt = &request_lvol;
1394 	vbdev_lvol_submit_request(g_ch, g_io);
1395 
1396 	free(g_io);
1397 	free(g_base_bdev);
1398 }
1399 
1400 static void
1401 ut_lvs_rename(void)
1402 {
1403 	int rc = 0;
1404 	int sz = 10;
1405 	struct spdk_lvol_store *lvs;
1406 
1407 	/* Lvol store is successfully created */
1408 	rc = vbdev_lvs_create("bdev", "old_lvs_name", 0, LVS_CLEAR_WITH_UNMAP,
1409 			      lvol_store_op_with_handle_complete, NULL);
1410 	CU_ASSERT(rc == 0);
1411 	CU_ASSERT(g_lvserrno == 0);
1412 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
1413 	CU_ASSERT(g_lvol_store->bs_dev != NULL);
1414 
1415 	lvs = g_lvol_store;
1416 	g_lvol_store = NULL;
1417 
1418 	g_base_bdev = calloc(1, sizeof(*g_base_bdev));
1419 	SPDK_CU_ASSERT_FATAL(g_base_bdev != NULL);
1420 
1421 	/* Successfully create lvol, which should be destroyed with lvs later */
1422 	g_lvolerrno = -1;
1423 	rc = vbdev_lvol_create(lvs, "lvol", sz, false, LVOL_CLEAR_WITH_DEFAULT, vbdev_lvol_create_complete,
1424 			       NULL);
1425 	CU_ASSERT(rc == 0);
1426 	CU_ASSERT(g_lvolerrno == 0);
1427 	SPDK_CU_ASSERT_FATAL(g_lvol != NULL);
1428 
1429 	/* Trying to rename lvs with lvols created */
1430 	vbdev_lvs_rename(lvs, "new_lvs_name", lvol_store_op_complete, NULL);
1431 	CU_ASSERT(g_lvserrno == 0);
1432 	CU_ASSERT_STRING_EQUAL(lvs->name, "new_lvs_name");
1433 	CU_ASSERT_STRING_EQUAL(TAILQ_FIRST(&g_lvol->bdev->aliases)->alias.name, "new_lvs_name/lvol");
1434 
1435 	/* Trying to rename lvs with name already used by another lvs */
1436 	/* This is a bdev_lvol test, so g_lvs_with_name_already_exists simulates
1437 	 * existing lvs with name 'another_new_lvs_name' and this name in fact is not compared */
1438 	g_lvs_with_name_already_exists = true;
1439 	vbdev_lvs_rename(lvs, "another_new_lvs_name", lvol_store_op_complete, NULL);
1440 	CU_ASSERT(g_lvserrno == -EEXIST);
1441 	CU_ASSERT_STRING_EQUAL(lvs->name, "new_lvs_name");
1442 	CU_ASSERT_STRING_EQUAL(TAILQ_FIRST(&g_lvol->bdev->aliases)->alias.name, "new_lvs_name/lvol");
1443 	g_lvs_with_name_already_exists = false;
1444 
1445 	/* Unload lvol store */
1446 	g_lvol_store = lvs;
1447 	vbdev_lvs_destruct(g_lvol_store, lvol_store_op_complete, NULL);
1448 	CU_ASSERT(g_lvserrno == 0);
1449 	CU_ASSERT(g_lvol_store == NULL);
1450 
1451 	free(g_base_bdev->name);
1452 	free(g_base_bdev);
1453 }
1454 
1455 int main(int argc, char **argv)
1456 {
1457 	CU_pSuite	suite = NULL;
1458 	unsigned int	num_failures;
1459 
1460 	CU_set_error_action(CUEA_ABORT);
1461 	CU_initialize_registry();
1462 
1463 	suite = CU_add_suite("lvol", NULL, NULL);
1464 
1465 	CU_ADD_TEST(suite, ut_lvs_init);
1466 	CU_ADD_TEST(suite, ut_lvol_init);
1467 	CU_ADD_TEST(suite, ut_lvol_snapshot);
1468 	CU_ADD_TEST(suite, ut_lvol_clone);
1469 	CU_ADD_TEST(suite, ut_lvs_destroy);
1470 	CU_ADD_TEST(suite, ut_lvs_unload);
1471 	CU_ADD_TEST(suite, ut_lvol_resize);
1472 	CU_ADD_TEST(suite, ut_lvol_set_read_only);
1473 	CU_ADD_TEST(suite, ut_lvol_hotremove);
1474 	CU_ADD_TEST(suite, ut_vbdev_lvol_get_io_channel);
1475 	CU_ADD_TEST(suite, ut_vbdev_lvol_io_type_supported);
1476 	CU_ADD_TEST(suite, ut_lvol_read_write);
1477 	CU_ADD_TEST(suite, ut_vbdev_lvol_submit_request);
1478 	CU_ADD_TEST(suite, ut_lvol_examine);
1479 	CU_ADD_TEST(suite, ut_lvol_rename);
1480 	CU_ADD_TEST(suite, ut_bdev_finish);
1481 	CU_ADD_TEST(suite, ut_lvs_rename);
1482 
1483 	CU_basic_set_mode(CU_BRM_VERBOSE);
1484 	CU_basic_run_tests();
1485 	num_failures = CU_get_number_of_failures();
1486 	CU_cleanup_registry();
1487 	return num_failures;
1488 }
1489