xref: /spdk/test/unit/lib/bdev/vbdev_lvol.c/vbdev_lvol_ut.c (revision 1831b086d000520ee926f096ea8dbd629c80b437)
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 		strncpy(lvs->name, new_name, SPDK_LVS_NAME_MAX);
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 	strncpy(lvol->name, new_name, SPDK_LVOL_NAME_MAX);
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 static struct spdk_lvol *_lvol_create(struct spdk_lvol_store *lvs);
167 
168 void
169 spdk_lvs_load(struct spdk_bs_dev *dev,
170 	      spdk_lvs_op_with_handle_complete cb_fn, void *cb_arg)
171 {
172 	struct spdk_lvol_store *lvs;
173 	int i;
174 
175 	if (g_lvserrno == 0) {
176 		lvs = calloc(1, sizeof(*lvs));
177 		SPDK_CU_ASSERT_FATAL(lvs != NULL);
178 		TAILQ_INIT(&lvs->lvols);
179 		g_lvol_store = lvs;
180 		for (i = 0; i < g_num_lvols; i++) {
181 			_lvol_create(lvs);
182 		}
183 	}
184 
185 	cb_fn(cb_arg, g_lvol_store, g_lvserrno);
186 }
187 
188 int
189 spdk_bs_bdev_claim(struct spdk_bs_dev *bs_dev, struct spdk_bdev_module *module)
190 {
191 	if (lvol_already_opened == true) {
192 		return -1;
193 	}
194 
195 	lvol_already_opened = true;
196 
197 	return 0;
198 }
199 
200 void
201 spdk_bdev_unregister(struct spdk_bdev *vbdev, spdk_bdev_unregister_cb cb_fn, void *cb_arg)
202 {
203 	SPDK_CU_ASSERT_FATAL(vbdev != NULL);
204 	vbdev->fn_table->destruct(vbdev->ctxt);
205 }
206 
207 void
208 spdk_bdev_module_finish_done(void)
209 {
210 	return;
211 }
212 
213 uint64_t
214 spdk_bs_get_page_size(struct spdk_blob_store *bs)
215 {
216 	return SPDK_BS_PAGE_SIZE;
217 }
218 
219 static void
220 bdev_blob_destroy(struct spdk_bs_dev *bs_dev)
221 {
222 	CU_ASSERT(g_bs_dev != NULL);
223 	CU_ASSERT(bs_dev != NULL);
224 	CU_ASSERT(g_bs_dev == bs_dev);
225 	free(bs_dev);
226 	g_bs_dev = NULL;
227 	lvol_already_opened = false;
228 }
229 
230 struct spdk_bs_dev *
231 spdk_bdev_create_bs_dev(struct spdk_bdev *bdev, spdk_bdev_remove_cb_t remove_cb, void *remove_ctx)
232 {
233 	struct spdk_bs_dev *bs_dev;
234 
235 	if (lvol_already_opened == true || bdev == NULL) {
236 		return NULL;
237 	}
238 
239 	bs_dev = calloc(1, sizeof(*bs_dev));
240 	SPDK_CU_ASSERT_FATAL(bs_dev != NULL);
241 	bs_dev->destroy = bdev_blob_destroy;
242 
243 	CU_ASSERT(g_bs_dev == NULL);
244 	g_bs_dev = bs_dev;
245 	return bs_dev;
246 }
247 
248 void
249 spdk_lvs_opts_init(struct spdk_lvs_opts *opts)
250 {
251 }
252 
253 int
254 spdk_lvs_init(struct spdk_bs_dev *bs_dev, struct spdk_lvs_opts *o,
255 	      spdk_lvs_op_with_handle_complete cb_fn, void *cb_arg)
256 {
257 	struct spdk_lvol_store *lvs;
258 	int error = 0;
259 
260 	if (lvol_store_initialize_fail) {
261 		return -1;
262 	}
263 
264 	if (lvol_store_initialize_cb_fail) {
265 		bs_dev->destroy(bs_dev);
266 		lvs = NULL;
267 		error = -1;
268 	} else {
269 		lvs = calloc(1, sizeof(*lvs));
270 		SPDK_CU_ASSERT_FATAL(lvs != NULL);
271 		TAILQ_INIT(&lvs->lvols);
272 		spdk_uuid_generate(&lvs->uuid);
273 		strncpy(lvs->name, o->name, SPDK_LVS_NAME_MAX);
274 		lvs->bs_dev = bs_dev;
275 		error = 0;
276 	}
277 	cb_fn(cb_arg, lvs, error);
278 
279 	return 0;
280 }
281 
282 int
283 spdk_lvs_unload(struct spdk_lvol_store *lvs, spdk_lvs_op_complete cb_fn, void *cb_arg)
284 {
285 	struct spdk_lvol *lvol, *tmp;
286 
287 	TAILQ_FOREACH_SAFE(lvol, &lvs->lvols, link, tmp) {
288 		TAILQ_REMOVE(&lvs->lvols, lvol, link);
289 		free(lvol->unique_id);
290 		free(lvol);
291 	}
292 	g_lvol_store = NULL;
293 	free(lvs);
294 
295 	g_bs_dev->destroy(g_bs_dev);
296 
297 	if (cb_fn != NULL) {
298 		cb_fn(cb_arg, 0);
299 	}
300 
301 	return 0;
302 }
303 
304 int
305 spdk_lvs_destroy(struct spdk_lvol_store *lvs, spdk_lvs_op_complete cb_fn,
306 		 void *cb_arg)
307 {
308 	struct spdk_lvol *lvol, *tmp;
309 	char *alias;
310 
311 	TAILQ_FOREACH_SAFE(lvol, &lvs->lvols, link, tmp) {
312 		TAILQ_REMOVE(&lvs->lvols, lvol, link);
313 
314 		alias = spdk_sprintf_alloc("%s/%s", lvs->name, lvol->name);
315 		if (alias == NULL) {
316 			SPDK_ERRLOG("Cannot alloc memory for alias\n");
317 			return -1;
318 		}
319 		spdk_bdev_alias_del(lvol->bdev, alias);
320 
321 		free(alias);
322 		free(lvol->unique_id);
323 		free(lvol);
324 	}
325 	g_lvol_store = NULL;
326 	free(lvs);
327 
328 	g_bs_dev->destroy(g_bs_dev);
329 
330 	if (cb_fn != NULL) {
331 		cb_fn(cb_arg, 0);
332 	}
333 
334 	return 0;
335 }
336 
337 void
338 spdk_lvol_resize(struct spdk_lvol *lvol, size_t sz,  spdk_lvol_op_complete cb_fn, void *cb_arg)
339 {
340 	cb_fn(cb_arg, 0);
341 }
342 
343 int
344 spdk_bdev_notify_blockcnt_change(struct spdk_bdev *bdev, uint64_t size)
345 {
346 	bdev->blockcnt = size;
347 	return 0;
348 }
349 
350 uint64_t
351 spdk_bs_get_cluster_size(struct spdk_blob_store *bs)
352 {
353 	return g_cluster_size;
354 }
355 
356 struct spdk_bdev *
357 spdk_bdev_get_by_name(const char *bdev_name)
358 {
359 	if (!strcmp(g_base_bdev->name, bdev_name)) {
360 		return g_base_bdev;
361 	}
362 
363 	return NULL;
364 }
365 
366 void
367 spdk_lvol_close(struct spdk_lvol *lvol, spdk_lvol_op_complete cb_fn, void *cb_arg)
368 {
369 	struct spdk_lvs_req *destruct_req;
370 	struct spdk_lvol *iter_lvol, *tmp;
371 	bool all_lvols_closed = true;
372 
373 	lvol->ref_count--;
374 
375 	TAILQ_FOREACH_SAFE(iter_lvol, &lvol->lvol_store->lvols, link, tmp) {
376 		if (iter_lvol->ref_count != 0) {
377 			all_lvols_closed = false;
378 		}
379 	}
380 
381 	destruct_req = lvol->lvol_store->destruct_req;
382 	if (destruct_req && all_lvols_closed == true) {
383 		if (!lvol->lvol_store->destruct) {
384 			spdk_lvs_unload(lvol->lvol_store, destruct_req->cb_fn, destruct_req->cb_arg);
385 			free(destruct_req);
386 		}
387 	}
388 
389 	cb_fn(cb_arg, 0);
390 }
391 
392 void
393 spdk_lvol_destroy(struct spdk_lvol *lvol, spdk_lvol_op_complete cb_fn, void *cb_arg)
394 {
395 	struct spdk_lvs_req *destruct_req;
396 
397 	SPDK_CU_ASSERT_FATAL(lvol == g_lvol);
398 
399 	if (lvol->ref_count != 0) {
400 		cb_fn(cb_arg, -ENODEV);
401 	}
402 
403 	TAILQ_REMOVE(&lvol->lvol_store->lvols, lvol, link);
404 
405 	destruct_req = lvol->lvol_store->destruct_req;
406 	if (destruct_req && TAILQ_EMPTY(&lvol->lvol_store->lvols)) {
407 		if (!lvol->lvol_store->destruct) {
408 			spdk_lvs_unload(lvol->lvol_store, destruct_req->cb_fn, destruct_req->cb_arg);
409 		} else {
410 			spdk_lvs_destroy(lvol->lvol_store, destruct_req->cb_fn, destruct_req->cb_arg);
411 			free(destruct_req);
412 		}
413 	}
414 	g_lvol = NULL;
415 	free(lvol->unique_id);
416 	free(lvol);
417 
418 	cb_fn(cb_arg, 0);
419 }
420 
421 void
422 spdk_bdev_io_complete(struct spdk_bdev_io *bdev_io, enum spdk_bdev_io_status status)
423 {
424 }
425 
426 struct spdk_io_channel *spdk_lvol_get_io_channel(struct spdk_lvol *lvol)
427 {
428 	CU_ASSERT(lvol == g_lvol);
429 	return g_ch;
430 }
431 
432 void
433 spdk_bdev_io_get_buf(struct spdk_bdev_io *bdev_io, spdk_bdev_io_get_buf_cb cb, uint64_t len)
434 {
435 	CU_ASSERT(cb == lvol_read);
436 }
437 
438 void
439 spdk_blob_io_read(struct spdk_blob *blob, struct spdk_io_channel *channel,
440 		  void *payload, uint64_t offset, uint64_t length,
441 		  spdk_blob_op_complete cb_fn, void *cb_arg)
442 {
443 }
444 
445 void
446 spdk_blob_io_write(struct spdk_blob *blob, struct spdk_io_channel *channel,
447 		   void *payload, uint64_t offset, uint64_t length,
448 		   spdk_blob_op_complete cb_fn, void *cb_arg)
449 {
450 }
451 
452 void
453 spdk_blob_io_unmap(struct spdk_blob *blob, struct spdk_io_channel *channel,
454 		   uint64_t offset, uint64_t length, spdk_blob_op_complete cb_fn, void *cb_arg)
455 {
456 	CU_ASSERT(blob == NULL);
457 	CU_ASSERT(channel == g_ch);
458 	CU_ASSERT(offset == g_io->u.bdev.offset_blocks);
459 	CU_ASSERT(length == g_io->u.bdev.num_blocks);
460 }
461 
462 void
463 spdk_blob_io_write_zeroes(struct spdk_blob *blob, struct spdk_io_channel *channel,
464 			  uint64_t offset, uint64_t length, spdk_blob_op_complete cb_fn, void *cb_arg)
465 {
466 	CU_ASSERT(blob == NULL);
467 	CU_ASSERT(channel == g_ch);
468 	CU_ASSERT(offset == g_io->u.bdev.offset_blocks);
469 	CU_ASSERT(length == g_io->u.bdev.num_blocks);
470 }
471 
472 void
473 spdk_blob_io_writev(struct spdk_blob *blob, struct spdk_io_channel *channel,
474 		    struct iovec *iov, int iovcnt, uint64_t offset, uint64_t length,
475 		    spdk_blob_op_complete cb_fn, void *cb_arg)
476 {
477 	CU_ASSERT(blob == NULL);
478 	CU_ASSERT(channel == g_ch);
479 	CU_ASSERT(offset == g_io->u.bdev.offset_blocks);
480 	CU_ASSERT(length == g_io->u.bdev.num_blocks);
481 }
482 
483 void
484 spdk_blob_io_readv(struct spdk_blob *blob, struct spdk_io_channel *channel,
485 		   struct iovec *iov, int iovcnt, uint64_t offset, uint64_t length,
486 		   spdk_blob_op_complete cb_fn, void *cb_arg)
487 {
488 	CU_ASSERT(blob == NULL);
489 	CU_ASSERT(channel == g_ch);
490 	CU_ASSERT(offset == g_io->u.bdev.offset_blocks);
491 	CU_ASSERT(length == g_io->u.bdev.num_blocks);
492 }
493 
494 void
495 spdk_bdev_module_list_add(struct spdk_bdev_module *bdev_module)
496 {
497 }
498 
499 int
500 spdk_json_write_name(struct spdk_json_write_ctx *w, const char *name)
501 {
502 	return 0;
503 }
504 
505 int
506 spdk_json_write_string(struct spdk_json_write_ctx *w, const char *val)
507 {
508 	return 0;
509 }
510 
511 int
512 spdk_json_write_bool(struct spdk_json_write_ctx *w, bool val)
513 {
514 	return 0;
515 }
516 
517 int
518 spdk_json_write_object_begin(struct spdk_json_write_ctx *w)
519 {
520 	return 0;
521 }
522 
523 int
524 spdk_json_write_object_end(struct spdk_json_write_ctx *w)
525 {
526 	return 0;
527 }
528 
529 const char *
530 spdk_bdev_get_name(const struct spdk_bdev *bdev)
531 {
532 	return "test";
533 }
534 
535 int
536 spdk_vbdev_register(struct spdk_bdev *vbdev, struct spdk_bdev **base_bdevs, int base_bdev_count)
537 {
538 	TAILQ_INIT(&vbdev->aliases);
539 
540 	g_registered_bdevs++;
541 	return 0;
542 }
543 
544 void
545 spdk_bdev_module_examine_done(struct spdk_bdev_module *module)
546 {
547 	g_examine_done = true;
548 }
549 
550 static struct spdk_lvol *
551 _lvol_create(struct spdk_lvol_store *lvs)
552 {
553 	struct spdk_lvol *lvol = calloc(1, sizeof(*lvol));
554 
555 	SPDK_CU_ASSERT_FATAL(lvol != NULL);
556 
557 	lvol->lvol_store = lvs;
558 	lvol->ref_count++;
559 	lvol->unique_id = spdk_sprintf_alloc("%s", "UNIT_TEST_UUID");
560 	SPDK_CU_ASSERT_FATAL(lvol->unique_id != NULL);
561 
562 	TAILQ_INSERT_TAIL(&lvol->lvol_store->lvols, lvol, link);
563 
564 	return lvol;
565 }
566 
567 int
568 spdk_lvol_create(struct spdk_lvol_store *lvs, const char *name, size_t sz,
569 		 bool thin_provision, spdk_lvol_op_with_handle_complete cb_fn, void *cb_arg)
570 {
571 	struct spdk_lvol *lvol;
572 
573 	lvol = _lvol_create(lvs);
574 	strncpy(lvol->name, name, SPDK_LVS_NAME_MAX);
575 	cb_fn(cb_arg, lvol, 0);
576 
577 	return 0;
578 }
579 
580 void
581 spdk_lvol_create_snapshot(struct spdk_lvol *lvol, const char *snapshot_name,
582 			  spdk_lvol_op_with_handle_complete cb_fn, void *cb_arg)
583 {
584 	struct spdk_lvol *snap;
585 
586 	snap = _lvol_create(lvol->lvol_store);
587 	strncpy(snap->name, snapshot_name, SPDK_LVOL_NAME_MAX);
588 	cb_fn(cb_arg, snap, 0);
589 }
590 
591 void
592 spdk_lvol_create_clone(struct spdk_lvol *lvol, const char *clone_name,
593 		       spdk_lvol_op_with_handle_complete cb_fn, void *cb_arg)
594 {
595 	struct spdk_lvol *clone;
596 
597 	clone = _lvol_create(lvol->lvol_store);
598 	strncpy(clone->name, clone_name, SPDK_LVS_NAME_MAX);
599 	cb_fn(cb_arg, clone, 0);
600 }
601 
602 static void
603 lvol_store_op_complete(void *cb_arg, int lvserrno)
604 {
605 	g_lvserrno = lvserrno;
606 	return;
607 }
608 
609 static void
610 lvol_store_op_with_handle_complete(void *cb_arg, struct spdk_lvol_store *lvs, int lvserrno)
611 {
612 	g_lvserrno = lvserrno;
613 	g_lvol_store = lvs;
614 	return;
615 }
616 
617 static void
618 vbdev_lvol_create_complete(void *cb_arg, struct spdk_lvol *lvol, int lvolerrno)
619 {
620 	g_lvolerrno = lvolerrno;
621 	g_lvol = lvol;
622 }
623 
624 static void
625 vbdev_lvol_resize_complete(void *cb_arg, int lvolerrno)
626 {
627 	g_lvolerrno = lvolerrno;
628 }
629 
630 static void
631 vbdev_lvol_rename_complete(void *cb_arg, int lvolerrno)
632 {
633 	g_lvolerrno = lvolerrno;
634 }
635 
636 static void
637 ut_lvs_destroy(void)
638 {
639 	int rc = 0;
640 	int sz = 10;
641 	struct spdk_lvol_store *lvs;
642 
643 	/* Lvol store is succesfully created */
644 	rc = vbdev_lvs_create(&g_bdev, "lvs", 0, lvol_store_op_with_handle_complete, NULL);
645 	CU_ASSERT(rc == 0);
646 	CU_ASSERT(g_lvserrno == 0);
647 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
648 	CU_ASSERT(g_bs_dev != NULL);
649 
650 	/* Create g_base_dev */
651 	g_lvs_bdev = calloc(1, sizeof(*g_lvs_bdev));
652 	SPDK_CU_ASSERT_FATAL(g_lvs_bdev != NULL);
653 	g_base_bdev = calloc(1, sizeof(*g_base_bdev));
654 	SPDK_CU_ASSERT_FATAL(g_base_bdev != NULL);
655 	g_lvs_bdev->bdev = g_base_bdev;
656 
657 	lvs = g_lvol_store;
658 	g_lvol_store = NULL;
659 
660 	spdk_uuid_generate(&lvs->uuid);
661 
662 	/* Suuccessfully create lvol, which should be unloaded with lvs later */
663 	g_lvolerrno = -1;
664 	rc = vbdev_lvol_create(lvs, "lvol", sz, false, vbdev_lvol_create_complete, NULL);
665 	CU_ASSERT(rc == 0);
666 	CU_ASSERT(g_lvolerrno == 0);
667 	SPDK_CU_ASSERT_FATAL(g_lvol != NULL);
668 
669 	/* Unload lvol store */
670 	vbdev_lvs_destruct(lvs, lvol_store_op_complete, NULL);
671 	CU_ASSERT(g_lvserrno == 0);
672 	CU_ASSERT(g_lvol_store == NULL);
673 
674 	free(g_lvs_bdev);
675 	free(g_base_bdev);
676 }
677 
678 static void
679 ut_lvol_init(void)
680 {
681 	int sz = 10;
682 	int rc;
683 
684 	g_lvs = calloc(1, sizeof(*g_lvs));
685 	SPDK_CU_ASSERT_FATAL(g_lvs != NULL);
686 	TAILQ_INIT(&g_lvs->lvols);
687 	g_lvs_bdev = calloc(1, sizeof(*g_lvs_bdev));
688 	SPDK_CU_ASSERT_FATAL(g_lvs_bdev != NULL);
689 	g_base_bdev = calloc(1, sizeof(*g_base_bdev));
690 	SPDK_CU_ASSERT_FATAL(g_base_bdev != NULL);
691 
692 	/* Assign name to lvs */
693 	strncpy(g_lvs->name, "UNIT_TEST_LVS_NAME", SPDK_LVS_NAME_MAX);
694 	SPDK_CU_ASSERT_FATAL(g_lvs->name != NULL);
695 
696 	g_lvs_bdev->lvs = g_lvs;
697 	g_lvs_bdev->bdev = g_base_bdev;
698 
699 	spdk_uuid_generate(&g_lvs->uuid);
700 
701 	TAILQ_INSERT_TAIL(&g_spdk_lvol_pairs, g_lvs_bdev, lvol_stores);
702 
703 	/* Successful lvol create */
704 	g_lvolerrno = -1;
705 	rc = vbdev_lvol_create(g_lvs, "lvol", sz, false, vbdev_lvol_create_complete, NULL);
706 	SPDK_CU_ASSERT_FATAL(rc == 0);
707 	CU_ASSERT(g_lvol != NULL);
708 	CU_ASSERT(g_lvolerrno == 0);
709 
710 	/* Successful lvol destruct */
711 	vbdev_lvol_destruct(g_lvol);
712 	CU_ASSERT(g_lvol == NULL);
713 
714 	TAILQ_REMOVE(&g_spdk_lvol_pairs, g_lvs_bdev, lvol_stores);
715 
716 	free(g_lvs);
717 	free(g_lvs_bdev);
718 	free(g_base_bdev);
719 }
720 
721 static void
722 ut_lvol_snapshot(void)
723 {
724 	int sz = 10;
725 	int rc;
726 	struct spdk_lvol *lvol = NULL;
727 
728 	g_lvs = calloc(1, sizeof(*g_lvs));
729 	SPDK_CU_ASSERT_FATAL(g_lvs != NULL);
730 	TAILQ_INIT(&g_lvs->lvols);
731 	g_lvs_bdev = calloc(1, sizeof(*g_lvs_bdev));
732 	SPDK_CU_ASSERT_FATAL(g_lvs_bdev != NULL);
733 	g_base_bdev = calloc(1, sizeof(*g_base_bdev));
734 	SPDK_CU_ASSERT_FATAL(g_base_bdev != NULL);
735 
736 	/* Assign name to lvs */
737 	strncpy(g_lvs->name, "UNIT_TEST_LVS_NAME", SPDK_LVS_NAME_MAX);
738 	SPDK_CU_ASSERT_FATAL(g_lvs->name != NULL);
739 
740 	g_lvs_bdev->lvs = g_lvs;
741 	g_lvs_bdev->bdev = g_base_bdev;
742 
743 	spdk_uuid_generate(&g_lvs->uuid);
744 
745 	TAILQ_INSERT_TAIL(&g_spdk_lvol_pairs, g_lvs_bdev, lvol_stores);
746 
747 	/* Successful lvol create */
748 	g_lvolerrno = -1;
749 	rc = vbdev_lvol_create(g_lvs, "lvol", sz, false, vbdev_lvol_create_complete, NULL);
750 	SPDK_CU_ASSERT_FATAL(rc == 0);
751 	CU_ASSERT(g_lvol != NULL);
752 	CU_ASSERT(g_lvolerrno == 0);
753 
754 	lvol = g_lvol;
755 
756 	/* Successful snap create */
757 	vbdev_lvol_create_snapshot(lvol, "snap", vbdev_lvol_create_complete, NULL);
758 	SPDK_CU_ASSERT_FATAL(rc == 0);
759 	CU_ASSERT(g_lvol != NULL);
760 	CU_ASSERT(g_lvolerrno == 0);
761 
762 	/* Successful lvol destruct */
763 	vbdev_lvol_destruct(g_lvol);
764 	CU_ASSERT(g_lvol == NULL);
765 
766 	/* Successful snap destruct */
767 	g_lvol = lvol;
768 	vbdev_lvol_destruct(g_lvol);
769 	CU_ASSERT(g_lvol == NULL);
770 
771 	TAILQ_REMOVE(&g_spdk_lvol_pairs, g_lvs_bdev, lvol_stores);
772 
773 	free(g_lvs);
774 	free(g_lvs_bdev);
775 	free(g_base_bdev);
776 }
777 
778 static void
779 ut_lvol_clone(void)
780 {
781 	int sz = 10;
782 	int rc;
783 	struct spdk_lvol *lvol = NULL;
784 	struct spdk_lvol *snap = NULL;
785 	struct spdk_lvol *clone = NULL;
786 
787 	g_lvs = calloc(1, sizeof(*g_lvs));
788 	SPDK_CU_ASSERT_FATAL(g_lvs != NULL);
789 	TAILQ_INIT(&g_lvs->lvols);
790 	g_lvs_bdev = calloc(1, sizeof(*g_lvs_bdev));
791 	SPDK_CU_ASSERT_FATAL(g_lvs_bdev != NULL);
792 	g_base_bdev = calloc(1, sizeof(*g_base_bdev));
793 	SPDK_CU_ASSERT_FATAL(g_base_bdev != NULL);
794 
795 	/* Assign name to lvs */
796 	strncpy(g_lvs->name, "UNIT_TEST_LVS_NAME", SPDK_LVS_NAME_MAX);
797 	SPDK_CU_ASSERT_FATAL(g_lvs->name != NULL);
798 
799 	g_lvs_bdev->lvs = g_lvs;
800 	g_lvs_bdev->bdev = g_base_bdev;
801 
802 	spdk_uuid_generate(&g_lvs->uuid);
803 
804 	TAILQ_INSERT_TAIL(&g_spdk_lvol_pairs, g_lvs_bdev, lvol_stores);
805 
806 	/* Successful lvol create */
807 	g_lvolerrno = -1;
808 	rc = vbdev_lvol_create(g_lvs, "lvol", sz, false, vbdev_lvol_create_complete, NULL);
809 	SPDK_CU_ASSERT_FATAL(rc == 0);
810 	CU_ASSERT(g_lvol != NULL);
811 	CU_ASSERT(g_lvolerrno == 0);
812 
813 	lvol = g_lvol;
814 
815 	/* Successful snap create */
816 	vbdev_lvol_create_snapshot(lvol, "snap", vbdev_lvol_create_complete, NULL);
817 	SPDK_CU_ASSERT_FATAL(rc == 0);
818 	CU_ASSERT(g_lvol != NULL);
819 	CU_ASSERT(g_lvolerrno == 0);
820 
821 	snap = g_lvol;
822 
823 	/* Successful clone create */
824 	vbdev_lvol_create_clone(snap, "clone", vbdev_lvol_create_complete, NULL);
825 
826 	SPDK_CU_ASSERT_FATAL(rc == 0);
827 	CU_ASSERT(g_lvol != NULL);
828 	CU_ASSERT(g_lvolerrno == 0);
829 
830 	clone = g_lvol;
831 
832 	/* Successful lvol destruct */
833 	g_lvol = lvol;
834 	vbdev_lvol_destruct(g_lvol);
835 	CU_ASSERT(g_lvol == NULL);
836 
837 	/* Successful clone destruct */
838 	g_lvol = clone;
839 	vbdev_lvol_destruct(g_lvol);
840 	CU_ASSERT(g_lvol == NULL);
841 
842 	/* Successful snap destruct */
843 	g_lvol = snap;
844 	vbdev_lvol_destruct(g_lvol);
845 	CU_ASSERT(g_lvol == NULL);
846 
847 	TAILQ_REMOVE(&g_spdk_lvol_pairs, g_lvs_bdev, lvol_stores);
848 
849 	free(g_lvs);
850 	free(g_lvs_bdev);
851 	free(g_base_bdev);
852 }
853 
854 static void
855 ut_lvol_hotremove(void)
856 {
857 	int rc = 0;
858 
859 	lvol_store_initialize_fail = false;
860 	lvol_store_initialize_cb_fail = false;
861 	lvol_already_opened = false;
862 	g_bs_dev = NULL;
863 
864 	/* Lvol store is succesfully created */
865 	rc = vbdev_lvs_create(&g_bdev, "lvs", 0, lvol_store_op_with_handle_complete, NULL);
866 	CU_ASSERT(rc == 0);
867 	CU_ASSERT(g_lvserrno == 0);
868 	CU_ASSERT(g_lvol_store != NULL);
869 	CU_ASSERT(g_bs_dev != NULL);
870 
871 	/* Hot remove callback with NULL - stability check */
872 	vbdev_lvs_hotremove_cb(NULL);
873 
874 	/* Hot remove lvs on bdev removal */
875 	vbdev_lvs_hotremove_cb(&g_bdev);
876 
877 	CU_ASSERT(g_lvol_store == NULL);
878 	CU_ASSERT(TAILQ_EMPTY(&g_spdk_lvol_pairs));
879 
880 }
881 
882 static void
883 ut_lvol_examine(void)
884 {
885 	struct spdk_bdev *bdev;
886 
887 	lvol_already_opened = false;
888 	g_bs_dev = NULL;
889 	g_lvserrno = 0;
890 	g_examine_done = false;
891 
892 	/* Examine with NULL bdev */
893 	vbdev_lvs_examine(NULL);
894 	CU_ASSERT(g_bs_dev == NULL);
895 	CU_ASSERT(g_lvol_store == NULL);
896 	CU_ASSERT(g_examine_done == true);
897 
898 	/* Examine unsuccessfully - bdev already opened */
899 	g_bs_dev = NULL;
900 	g_examine_done = false;
901 	g_lvserrno = -1;
902 	lvol_already_opened = true;
903 	vbdev_lvs_examine(&g_bdev);
904 	CU_ASSERT(g_bs_dev == NULL);
905 	CU_ASSERT(g_lvol_store == NULL);
906 	CU_ASSERT(g_examine_done == true);
907 
908 	/* Examine unsuccessfully - fail on lvol store */
909 	g_bs_dev = NULL;
910 	g_examine_done = false;
911 	g_lvserrno = -1;
912 	lvol_already_opened = false;
913 	vbdev_lvs_examine(&g_bdev);
914 	CU_ASSERT(g_bs_dev != NULL);
915 	CU_ASSERT(g_lvol_store == NULL);
916 	CU_ASSERT(g_examine_done == true);
917 	CU_ASSERT(TAILQ_EMPTY(&g_spdk_lvol_pairs));
918 	free(g_bs_dev);
919 
920 	/* Examine unsuccesfully - fail on lvol load */
921 	g_bs_dev = NULL;
922 	g_lvserrno = 0;
923 	g_lvolerrno = -1;
924 	g_num_lvols = 1;
925 	g_examine_done = false;
926 	lvol_already_opened = false;
927 	g_registered_bdevs = 0;
928 	vbdev_lvs_examine(&g_bdev);
929 	CU_ASSERT(g_bs_dev != NULL);
930 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
931 	CU_ASSERT(g_examine_done == true);
932 	CU_ASSERT(g_registered_bdevs == 0);
933 	CU_ASSERT(!TAILQ_EMPTY(&g_spdk_lvol_pairs));
934 	CU_ASSERT(TAILQ_EMPTY(&g_lvol_store->lvols));
935 	vbdev_lvs_destruct(g_lvol_store, lvol_store_op_complete, NULL);
936 	free(g_bs_dev);
937 
938 	/* Examine succesfully */
939 	g_lvs = calloc(1, sizeof(*g_lvs));
940 	SPDK_CU_ASSERT_FATAL(g_lvs != NULL);
941 	TAILQ_INIT(&g_lvs->lvols);
942 	g_lvs_bdev = calloc(1, sizeof(*g_lvs_bdev));
943 	SPDK_CU_ASSERT_FATAL(g_lvs_bdev != NULL);
944 	g_base_bdev = calloc(1, sizeof(*g_base_bdev));
945 	SPDK_CU_ASSERT_FATAL(g_base_bdev != NULL);
946 
947 	/* Assign name to lvs */
948 	strncpy(g_lvs->name, "UNIT_TEST_LVS_NAME", SPDK_LVS_NAME_MAX);
949 	SPDK_CU_ASSERT_FATAL(g_lvs->name != NULL);
950 
951 	g_bs_dev = NULL;
952 	g_lvserrno = 0;
953 	g_lvolerrno = 0;
954 	g_examine_done = false;
955 	g_registered_bdevs = 0;
956 	lvol_already_opened = false;
957 	vbdev_lvs_examine(&g_bdev);
958 	CU_ASSERT(g_bs_dev != NULL);
959 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
960 	CU_ASSERT(g_examine_done == true);
961 	CU_ASSERT(g_registered_bdevs != 0);
962 	CU_ASSERT(!TAILQ_EMPTY(&g_spdk_lvol_pairs));
963 	SPDK_CU_ASSERT_FATAL(!TAILQ_EMPTY(&g_lvol_store->lvols));
964 	TAILQ_FIRST(&g_lvol_store->lvols)->ref_count--;
965 	bdev = TAILQ_FIRST(&g_lvol_store->lvols)->bdev;
966 	vbdev_lvs_destruct(g_lvol_store, lvol_store_op_complete, NULL);
967 	free(bdev->name);
968 	free(bdev);
969 	free(g_bs_dev);
970 	free(g_lvol_store);
971 
972 	free(g_lvs);
973 	free(g_lvs_bdev);
974 	free(g_base_bdev);
975 }
976 
977 static void
978 ut_lvol_rename(void)
979 {
980 	struct spdk_lvol *lvol;
981 	struct spdk_lvol *lvol2;
982 	int sz = 10;
983 	int rc;
984 
985 	g_lvs = calloc(1, sizeof(*g_lvs));
986 	SPDK_CU_ASSERT_FATAL(g_lvs != NULL);
987 	TAILQ_INIT(&g_lvs->lvols);
988 	g_lvs_bdev = calloc(1, sizeof(*g_lvs_bdev));
989 	SPDK_CU_ASSERT_FATAL(g_lvs_bdev != NULL);
990 	g_base_bdev = calloc(1, sizeof(*g_base_bdev));
991 	SPDK_CU_ASSERT_FATAL(g_base_bdev != NULL);
992 
993 	/* Assign name to lvs */
994 	strncpy(g_lvs->name, "UNIT_TEST_LVS_NAME", SPDK_LVS_NAME_MAX);
995 	SPDK_CU_ASSERT_FATAL(g_lvs->name != NULL);
996 
997 	g_lvs_bdev->lvs = g_lvs;
998 	g_lvs_bdev->bdev = g_base_bdev;
999 
1000 	spdk_uuid_generate(&g_lvs->uuid);
1001 
1002 	TAILQ_INSERT_TAIL(&g_spdk_lvol_pairs, g_lvs_bdev, lvol_stores);
1003 
1004 	/* Successful lvols create */
1005 	g_lvolerrno = -1;
1006 	rc = vbdev_lvol_create(g_lvs, "lvol", sz, false, vbdev_lvol_create_complete, NULL);
1007 	SPDK_CU_ASSERT_FATAL(rc == 0);
1008 	CU_ASSERT(g_lvol != NULL);
1009 	CU_ASSERT(g_lvolerrno == 0);
1010 	lvol = g_lvol;
1011 
1012 	g_lvolerrno = -1;
1013 	rc = vbdev_lvol_create(g_lvs, "lvol2", sz, false, vbdev_lvol_create_complete, NULL);
1014 	SPDK_CU_ASSERT_FATAL(rc == 0);
1015 	CU_ASSERT(g_lvol != NULL);
1016 	CU_ASSERT(g_lvolerrno == 0);
1017 	lvol2 = g_lvol;
1018 
1019 	/* Successful rename lvol */
1020 	vbdev_lvol_rename(lvol, "new_lvol_name", vbdev_lvol_rename_complete, NULL);
1021 	SPDK_CU_ASSERT_FATAL(g_lvolerrno == 0);
1022 	CU_ASSERT_STRING_EQUAL(lvol->name, "new_lvol_name");
1023 
1024 	/* Renaming lvol with name already existing */
1025 	g_bdev_alias_already_exists = true;
1026 	vbdev_lvol_rename(lvol2, "new_lvol_name", vbdev_lvol_rename_complete, NULL);
1027 	g_bdev_alias_already_exists = false;
1028 	SPDK_CU_ASSERT_FATAL(g_lvolerrno != 0);
1029 	CU_ASSERT_STRING_NOT_EQUAL(lvol2->name, "new_lvol_name");
1030 
1031 	/* Renaming lvol with it's own name */
1032 	vbdev_lvol_rename(lvol, "new_lvol_name", vbdev_lvol_rename_complete, NULL);
1033 	SPDK_CU_ASSERT_FATAL(g_lvolerrno == 0);
1034 	CU_ASSERT_STRING_EQUAL(lvol->name, "new_lvol_name");
1035 
1036 	/* Successful lvols destruct */
1037 	g_lvol = lvol;
1038 	vbdev_lvol_destruct(g_lvol);
1039 	CU_ASSERT(g_lvol == NULL);
1040 
1041 	g_lvol = lvol2;
1042 	vbdev_lvol_destruct(g_lvol);
1043 	CU_ASSERT(g_lvol == NULL);
1044 
1045 	TAILQ_REMOVE(&g_spdk_lvol_pairs, g_lvs_bdev, lvol_stores);
1046 
1047 	free(g_lvs);
1048 	free(g_lvs_bdev);
1049 	free(g_base_bdev);
1050 }
1051 
1052 static void
1053 ut_lvol_resize(void)
1054 {
1055 	int sz = 10;
1056 	int rc = 0;
1057 
1058 	g_lvs = calloc(1, sizeof(*g_lvs));
1059 	SPDK_CU_ASSERT_FATAL(g_lvs != NULL);
1060 
1061 	TAILQ_INIT(&g_lvs->lvols);
1062 
1063 	g_lvs_bdev = calloc(1, sizeof(*g_lvs_bdev));
1064 	SPDK_CU_ASSERT_FATAL(g_lvs_bdev != NULL);
1065 	g_base_bdev = calloc(1, sizeof(*g_base_bdev));
1066 	SPDK_CU_ASSERT_FATAL(g_base_bdev != NULL);
1067 
1068 	/* Assign name to bdev */
1069 	g_base_bdev->name = strdup("UNIT_TEST_LVS_NAME/old_lvol");
1070 	SPDK_CU_ASSERT_FATAL(g_base_bdev->name != NULL);
1071 
1072 	g_lvs_bdev->lvs = g_lvs;
1073 	g_lvs_bdev->bdev = g_base_bdev;
1074 
1075 	spdk_uuid_generate(&g_lvs->uuid);
1076 	g_base_bdev->blocklen = 4096;
1077 	TAILQ_INSERT_TAIL(&g_spdk_lvol_pairs, g_lvs_bdev, lvol_stores);
1078 
1079 	/* Successful lvol create */
1080 	g_lvolerrno = -1;
1081 	rc = vbdev_lvol_create(g_lvs, "lvol", sz, false, vbdev_lvol_create_complete, NULL);
1082 	CU_ASSERT(rc == 0);
1083 	CU_ASSERT(g_lvolerrno == 0);
1084 	SPDK_CU_ASSERT_FATAL(g_lvol != NULL);
1085 
1086 	g_base_bdev->ctxt = g_lvol;
1087 
1088 	free(g_base_bdev->name);
1089 	g_base_bdev->name = spdk_sprintf_alloc("%s", g_lvol->unique_id);
1090 	SPDK_CU_ASSERT_FATAL(g_base_bdev->name != NULL);
1091 
1092 	g_lvolerrno = -1;
1093 	/* Successful lvol resize */
1094 	vbdev_lvol_resize(g_lvol, 20, vbdev_lvol_resize_complete, NULL);
1095 	CU_ASSERT(g_lvolerrno == 0);
1096 	CU_ASSERT(g_base_bdev->blockcnt == 20 * g_cluster_size / g_base_bdev->blocklen);
1097 
1098 	/* Resize with NULL lvol */
1099 	vbdev_lvol_resize(NULL, 20, vbdev_lvol_resize_complete, NULL);
1100 	CU_ASSERT(g_lvolerrno != 0);
1101 
1102 	/* Successful lvol destruct */
1103 	vbdev_lvol_destruct(g_lvol);
1104 	CU_ASSERT(g_lvol == NULL);
1105 
1106 	TAILQ_REMOVE(&g_spdk_lvol_pairs, g_lvs_bdev, lvol_stores);
1107 	free(g_lvs);
1108 	free(g_lvs_bdev);
1109 	free(g_base_bdev->name);
1110 	free(g_base_bdev);
1111 }
1112 
1113 static void
1114 ut_lvs_unload(void)
1115 {
1116 	int rc = 0;
1117 	int sz = 10;
1118 	struct spdk_lvol_store *lvs;
1119 
1120 	/* Lvol store is succesfully created */
1121 	rc = vbdev_lvs_create(&g_bdev, "lvs", 0, lvol_store_op_with_handle_complete, NULL);
1122 	CU_ASSERT(rc == 0);
1123 	CU_ASSERT(g_lvserrno == 0);
1124 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
1125 	CU_ASSERT(g_bs_dev != NULL);
1126 
1127 	/* Create g_base_dev */
1128 	g_lvs_bdev = calloc(1, sizeof(*g_lvs_bdev));
1129 	SPDK_CU_ASSERT_FATAL(g_lvs_bdev != NULL);
1130 	g_base_bdev = calloc(1, sizeof(*g_base_bdev));
1131 	SPDK_CU_ASSERT_FATAL(g_base_bdev != NULL);
1132 	g_lvs_bdev->bdev = g_base_bdev;
1133 
1134 	lvs = g_lvol_store;
1135 	g_lvol_store = NULL;
1136 
1137 	spdk_uuid_generate(&lvs->uuid);
1138 
1139 	/* Suuccessfully create lvol, which should be destroyed with lvs later */
1140 	g_lvolerrno = -1;
1141 	rc = vbdev_lvol_create(lvs, "lvol", sz, false, vbdev_lvol_create_complete, NULL);
1142 	CU_ASSERT(rc == 0);
1143 	CU_ASSERT(g_lvolerrno == 0);
1144 	SPDK_CU_ASSERT_FATAL(g_lvol != NULL);
1145 
1146 	/* Unload lvol store */
1147 	vbdev_lvs_unload(lvs, lvol_store_op_complete, NULL);
1148 	CU_ASSERT(g_lvserrno == 0);
1149 	CU_ASSERT(g_lvol_store == NULL);
1150 	CU_ASSERT(g_lvol != NULL);
1151 
1152 	free(g_lvs_bdev);
1153 	free(g_base_bdev);
1154 }
1155 
1156 static void
1157 ut_lvs_init(void)
1158 {
1159 	int rc = 0;
1160 	struct spdk_lvol_store *lvs;
1161 	struct spdk_bs_dev *bs_dev_temp;
1162 
1163 	/* spdk_lvs_init() fails */
1164 	lvol_store_initialize_fail = true;
1165 
1166 	rc = vbdev_lvs_create(&g_bdev, "lvs", 0, lvol_store_op_with_handle_complete, NULL);
1167 	CU_ASSERT(rc != 0);
1168 	CU_ASSERT(g_lvserrno == 0);
1169 	CU_ASSERT(g_lvol_store == NULL);
1170 	CU_ASSERT(g_bs_dev == NULL);
1171 
1172 	lvol_store_initialize_fail = false;
1173 
1174 	/* spdk_lvs_init_cb() fails */
1175 	lvol_store_initialize_cb_fail = true;
1176 
1177 	rc = vbdev_lvs_create(&g_bdev, "lvs", 0, lvol_store_op_with_handle_complete, NULL);
1178 	CU_ASSERT(rc == 0);
1179 	CU_ASSERT(g_lvserrno != 0);
1180 	CU_ASSERT(g_lvol_store == NULL);
1181 	CU_ASSERT(g_bs_dev == NULL);
1182 
1183 	lvol_store_initialize_cb_fail = false;
1184 
1185 	/* Lvol store is succesfully created */
1186 	rc = vbdev_lvs_create(&g_bdev, "lvs", 0, lvol_store_op_with_handle_complete, NULL);
1187 	CU_ASSERT(rc == 0);
1188 	CU_ASSERT(g_lvserrno == 0);
1189 	CU_ASSERT(g_lvol_store != NULL);
1190 	CU_ASSERT(g_bs_dev != NULL);
1191 
1192 	lvs = g_lvol_store;
1193 	g_lvol_store = NULL;
1194 	bs_dev_temp = g_bs_dev;
1195 	g_bs_dev = NULL;
1196 
1197 	/* Bdev with lvol store already claimed */
1198 	rc = vbdev_lvs_create(&g_bdev, "lvs", 0, lvol_store_op_with_handle_complete, NULL);
1199 	CU_ASSERT(rc != 0);
1200 	CU_ASSERT(g_lvserrno == 0);
1201 	CU_ASSERT(g_lvol_store == NULL);
1202 	CU_ASSERT(g_bs_dev == NULL);
1203 
1204 	/* Destruct lvol store */
1205 	g_bs_dev = bs_dev_temp;
1206 
1207 	vbdev_lvs_destruct(lvs, lvol_store_op_complete, NULL);
1208 	CU_ASSERT(g_lvserrno == 0);
1209 	CU_ASSERT(g_lvol_store == NULL);
1210 	CU_ASSERT(g_bs_dev == NULL);
1211 	free(g_bs_dev);
1212 
1213 }
1214 
1215 static void
1216 ut_vbdev_lvol_get_io_channel(void)
1217 {
1218 	struct spdk_io_channel *ch;
1219 
1220 	g_lvol = calloc(1, sizeof(struct spdk_lvol));
1221 	SPDK_CU_ASSERT_FATAL(g_lvol != NULL);
1222 
1223 	ch = vbdev_lvol_get_io_channel(g_lvol);
1224 	CU_ASSERT(ch == g_ch);
1225 
1226 	free(g_lvol);
1227 
1228 }
1229 
1230 static void
1231 ut_vbdev_lvol_io_type_supported(void)
1232 {
1233 	struct spdk_lvol *lvol = g_lvol;
1234 	bool ret;
1235 	/* Supported types */
1236 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_READ);
1237 	CU_ASSERT(ret == true);
1238 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_WRITE);
1239 	CU_ASSERT(ret == true);
1240 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_RESET);
1241 	CU_ASSERT(ret == true);
1242 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_UNMAP);
1243 	CU_ASSERT(ret == true);
1244 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_WRITE_ZEROES);
1245 	CU_ASSERT(ret == true);
1246 
1247 	/* Unsupported types */
1248 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_FLUSH);
1249 	CU_ASSERT(ret == false);
1250 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_NVME_ADMIN);
1251 	CU_ASSERT(ret == false);
1252 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_NVME_IO);
1253 	CU_ASSERT(ret == false);
1254 }
1255 
1256 static void
1257 ut_lvol_op_comp(void)
1258 {
1259 	struct lvol_task task;
1260 
1261 	lvol_op_comp(&task, 1);
1262 	CU_ASSERT(task.status == SPDK_BDEV_IO_STATUS_FAILED);
1263 }
1264 
1265 static void
1266 ut_lvol_read_write(void)
1267 {
1268 	g_io = calloc(1, sizeof(struct spdk_bdev_io) + sizeof(struct lvol_task));
1269 	SPDK_CU_ASSERT_FATAL(g_io != NULL);
1270 	g_base_bdev = calloc(1, sizeof(struct spdk_bdev));
1271 	SPDK_CU_ASSERT_FATAL(g_base_bdev != NULL);
1272 	g_lvol = calloc(1, sizeof(struct spdk_lvol));
1273 	SPDK_CU_ASSERT_FATAL(g_lvol != NULL);
1274 
1275 	g_task = (struct lvol_task *)g_io->driver_ctx;
1276 	g_io->bdev = g_base_bdev;
1277 	g_io->bdev->ctxt = g_lvol;
1278 	g_io->u.bdev.offset_blocks = 20;
1279 	g_io->u.bdev.num_blocks = 20;
1280 
1281 	lvol_read(g_ch, g_io);
1282 	CU_ASSERT(g_task->status == SPDK_BDEV_IO_STATUS_SUCCESS);
1283 
1284 	lvol_write(g_lvol, g_ch, g_io);
1285 	CU_ASSERT(g_task->status == SPDK_BDEV_IO_STATUS_SUCCESS);
1286 
1287 	free(g_io);
1288 	free(g_base_bdev);
1289 	free(g_lvol);
1290 }
1291 
1292 static void
1293 ut_vbdev_lvol_submit_request(void)
1294 {
1295 	g_io = calloc(1, sizeof(struct spdk_bdev_io) + sizeof(struct lvol_task));
1296 	SPDK_CU_ASSERT_FATAL(g_io != NULL);
1297 	g_base_bdev = calloc(1, sizeof(struct spdk_bdev));
1298 	SPDK_CU_ASSERT_FATAL(g_base_bdev != NULL);
1299 	g_task = (struct lvol_task *)g_io->driver_ctx;
1300 
1301 	g_io->bdev = g_base_bdev;
1302 
1303 	g_io->type = SPDK_BDEV_IO_TYPE_READ;
1304 	vbdev_lvol_submit_request(g_ch, g_io);
1305 
1306 	free(g_io);
1307 	free(g_base_bdev);
1308 }
1309 
1310 static void
1311 ut_lvs_rename(void)
1312 {
1313 	int rc = 0;
1314 	int sz = 10;
1315 	struct spdk_lvol_store *lvs;
1316 	struct spdk_bs_dev *b_bdev;
1317 
1318 	/* Lvol store is succesfully created */
1319 	rc = vbdev_lvs_create(&g_bdev, "old_lvs_name", 0, lvol_store_op_with_handle_complete, NULL);
1320 	CU_ASSERT(rc == 0);
1321 	CU_ASSERT(g_lvserrno == 0);
1322 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
1323 	CU_ASSERT(g_bs_dev != NULL);
1324 	b_bdev = g_bs_dev;
1325 
1326 	g_bs_dev = NULL;
1327 	lvs = g_lvol_store;
1328 	g_lvol_store = NULL;
1329 
1330 	g_base_bdev = calloc(1, sizeof(*g_base_bdev));
1331 	SPDK_CU_ASSERT_FATAL(g_base_bdev != NULL);
1332 
1333 	/* Successfully create lvol, which should be destroyed with lvs later */
1334 	g_lvolerrno = -1;
1335 	rc = vbdev_lvol_create(lvs, "lvol", sz, false, vbdev_lvol_create_complete, NULL);
1336 	CU_ASSERT(rc == 0);
1337 	CU_ASSERT(g_lvolerrno == 0);
1338 	SPDK_CU_ASSERT_FATAL(g_lvol != NULL);
1339 
1340 	/* Trying to rename lvs with lvols created */
1341 	vbdev_lvs_rename(lvs, "new_lvs_name", lvol_store_op_complete, NULL);
1342 	CU_ASSERT(g_lvserrno == 0);
1343 	CU_ASSERT_STRING_EQUAL(lvs->name, "new_lvs_name");
1344 	CU_ASSERT_STRING_EQUAL(TAILQ_FIRST(&g_lvol->bdev->aliases)->alias, "new_lvs_name/lvol");
1345 
1346 	/* Trying to rename lvs with name already used by another lvs */
1347 	/* This is a bdev_lvol test, so g_lvs_with_name_already_exists simulates
1348 	 * existing lvs with name 'another_new_lvs_name' and this name in fact is not compared */
1349 	g_lvs_with_name_already_exists = true;
1350 	vbdev_lvs_rename(lvs, "another_new_lvs_name", lvol_store_op_complete, NULL);
1351 	CU_ASSERT(g_lvserrno == -EEXIST);
1352 	CU_ASSERT_STRING_EQUAL(lvs->name, "new_lvs_name");
1353 	CU_ASSERT_STRING_EQUAL(TAILQ_FIRST(&g_lvol->bdev->aliases)->alias, "new_lvs_name/lvol");
1354 	g_lvs_with_name_already_exists = false;
1355 
1356 	/* Unload lvol store */
1357 	g_lvol_store = lvs;
1358 	g_bs_dev = b_bdev;
1359 	vbdev_lvs_destruct(g_lvol_store, lvol_store_op_complete, NULL);
1360 	CU_ASSERT(g_lvserrno == 0);
1361 	CU_ASSERT(g_lvol_store == NULL);
1362 
1363 	free(g_base_bdev->name);
1364 	free(g_base_bdev);
1365 }
1366 
1367 int main(int argc, char **argv)
1368 {
1369 	CU_pSuite	suite = NULL;
1370 	unsigned int	num_failures;
1371 
1372 	if (CU_initialize_registry() != CUE_SUCCESS) {
1373 		return CU_get_error();
1374 	}
1375 
1376 	suite = CU_add_suite("lvol", NULL, NULL);
1377 	if (suite == NULL) {
1378 		CU_cleanup_registry();
1379 		return CU_get_error();
1380 	}
1381 
1382 	if (
1383 		CU_add_test(suite, "ut_lvs_init", ut_lvs_init) == NULL ||
1384 		CU_add_test(suite, "ut_lvol_init", ut_lvol_init) == NULL ||
1385 		CU_add_test(suite, "ut_lvol_snapshot", ut_lvol_snapshot) == NULL ||
1386 		CU_add_test(suite, "ut_lvol_clone", ut_lvol_clone) == NULL ||
1387 		CU_add_test(suite, "ut_lvs_destroy", ut_lvs_destroy) == NULL ||
1388 		CU_add_test(suite, "ut_lvs_unload", ut_lvs_unload) == NULL ||
1389 		CU_add_test(suite, "ut_lvol_resize", ut_lvol_resize) == NULL ||
1390 		CU_add_test(suite, "lvol_hotremove", ut_lvol_hotremove) == NULL ||
1391 		CU_add_test(suite, "ut_vbdev_lvol_get_io_channel", ut_vbdev_lvol_get_io_channel) == NULL ||
1392 		CU_add_test(suite, "ut_vbdev_lvol_io_type_supported", ut_vbdev_lvol_io_type_supported) == NULL ||
1393 		CU_add_test(suite, "ut_lvol_op_comp", ut_lvol_op_comp) == 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_lvs_rename", ut_lvs_rename) == NULL
1399 	) {
1400 		CU_cleanup_registry();
1401 		return CU_get_error();
1402 	}
1403 
1404 	CU_basic_set_mode(CU_BRM_VERBOSE);
1405 	CU_basic_run_tests();
1406 	num_failures = CU_get_number_of_failures();
1407 	CU_cleanup_registry();
1408 	return num_failures;
1409 }
1410