xref: /spdk/test/unit/lib/bdev/vbdev_lvol.c/vbdev_lvol_ut.c (revision 97f3104bc7b8f305409105d19b7e6d6d87d56da5)
1 /*-
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3  *
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32  */
33 
34 #include "spdk_cunit.h"
35 #include "spdk/string.h"
36 
37 #include "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 
62 void
63 spdk_bdev_unregister_done(struct spdk_bdev *bdev, int bdeverrno)
64 {
65 }
66 
67 void
68 spdk_lvol_open(struct spdk_lvol *lvol, spdk_lvol_op_with_handle_complete cb_fn, void *cb_arg)
69 {
70 	cb_fn(cb_arg, lvol, g_lvolerrno);
71 }
72 
73 void
74 spdk_bs_md_close_blob(struct spdk_blob **b, spdk_blob_op_complete cb_fn, void *cb_arg)
75 {
76 }
77 
78 static struct spdk_lvol *_lvol_create(struct spdk_lvol_store *lvs);
79 
80 void
81 spdk_lvs_load(struct spdk_bs_dev *dev,
82 	      spdk_lvs_op_with_handle_complete cb_fn, void *cb_arg)
83 {
84 	struct spdk_lvol_store *lvs;
85 	int i;
86 
87 	if (g_lvserrno == 0) {
88 		lvs = calloc(1, sizeof(*lvs));
89 		SPDK_CU_ASSERT_FATAL(lvs != NULL);
90 		TAILQ_INIT(&lvs->lvols);
91 		g_lvol_store = lvs;
92 		for (i = 0; i < g_num_lvols; i++) {
93 			_lvol_create(lvs);
94 		}
95 	}
96 
97 	cb_fn(cb_arg, g_lvol_store, g_lvserrno);
98 }
99 
100 int
101 spdk_bs_bdev_claim(struct spdk_bs_dev *bs_dev, struct spdk_bdev_module_if *module)
102 {
103 	if (lvol_already_opened == true)
104 		return -1;
105 
106 	lvol_already_opened = true;
107 
108 	return 0;
109 }
110 
111 void
112 spdk_vbdev_unregister(struct spdk_bdev *vbdev, spdk_bdev_unregister_cb cb_fn, void *cb_arg)
113 {
114 	SPDK_CU_ASSERT_FATAL(vbdev != NULL);
115 	vbdev->fn_table->destruct(vbdev->ctxt);
116 }
117 
118 void
119 spdk_bdev_module_finish_done(void)
120 {
121 	return;
122 }
123 
124 uint64_t
125 spdk_bs_get_page_size(struct spdk_blob_store *bs)
126 {
127 	return SPDK_BS_PAGE_SIZE;
128 }
129 
130 static void
131 bdev_blob_destroy(struct spdk_bs_dev *bs_dev)
132 {
133 	CU_ASSERT(g_bs_dev != NULL);
134 	CU_ASSERT(bs_dev != NULL);
135 	CU_ASSERT(g_bs_dev == bs_dev);
136 	free(bs_dev);
137 	g_bs_dev = NULL;
138 	lvol_already_opened = false;
139 }
140 
141 struct spdk_bs_dev *
142 spdk_bdev_create_bs_dev(struct spdk_bdev *bdev, spdk_bdev_remove_cb_t remove_cb, void *remove_ctx)
143 {
144 	struct spdk_bs_dev *bs_dev;
145 
146 	if (lvol_already_opened == true || bdev == NULL)
147 		return NULL;
148 
149 	bs_dev = calloc(1, sizeof(*bs_dev));
150 	SPDK_CU_ASSERT_FATAL(bs_dev != NULL);
151 	bs_dev->destroy = bdev_blob_destroy;
152 
153 	CU_ASSERT(g_bs_dev == NULL);
154 	g_bs_dev = bs_dev;
155 	return bs_dev;
156 }
157 
158 void
159 spdk_lvs_opts_init(struct spdk_lvs_opts *opts)
160 {
161 }
162 
163 int
164 spdk_lvs_init(struct spdk_bs_dev *bs_dev, struct spdk_lvs_opts *o,
165 	      spdk_lvs_op_with_handle_complete cb_fn, void *cb_arg)
166 {
167 	struct spdk_lvol_store *lvs;
168 	int error = 0;
169 
170 	if (lvol_store_initialize_fail)
171 		return -1;
172 
173 	if (lvol_store_initialize_cb_fail) {
174 		bs_dev->destroy(bs_dev);
175 		lvs = NULL;
176 		error = -1;
177 	} else {
178 		lvs = calloc(1, sizeof(*lvs));
179 		SPDK_CU_ASSERT_FATAL(lvs != NULL);
180 		TAILQ_INIT(&lvs->lvols);
181 		lvs->bs_dev = bs_dev;
182 		error = 0;
183 	}
184 	cb_fn(cb_arg, lvs, error);
185 
186 	return 0;
187 }
188 
189 int
190 spdk_lvs_unload(struct spdk_lvol_store *lvs, spdk_lvs_op_complete cb_fn, void *cb_arg)
191 {
192 	struct spdk_lvol *lvol, *tmp;
193 
194 	TAILQ_FOREACH_SAFE(lvol, &lvs->lvols, link, tmp) {
195 		TAILQ_REMOVE(&lvs->lvols, lvol, link);
196 		free(lvol->old_name);
197 		free(lvol);
198 	}
199 	g_lvol_store = NULL;
200 	free(lvs);
201 
202 	g_bs_dev->destroy(g_bs_dev);
203 
204 	if (cb_fn != NULL)
205 		cb_fn(cb_arg, 0);
206 
207 	return 0;
208 }
209 
210 int
211 spdk_lvs_destroy(struct spdk_lvol_store *lvs,  bool unmap_device, spdk_lvs_op_complete cb_fn,
212 		 void *cb_arg)
213 {
214 	struct spdk_lvol *lvol, *tmp;
215 
216 	TAILQ_FOREACH_SAFE(lvol, &lvs->lvols, link, tmp) {
217 		TAILQ_REMOVE(&lvs->lvols, lvol, link);
218 		free(lvol->old_name);
219 		free(lvol);
220 	}
221 	g_lvol_store = NULL;
222 	free(lvs);
223 
224 	g_bs_dev->destroy(g_bs_dev);
225 
226 	if (cb_fn != NULL)
227 		cb_fn(cb_arg, 0);
228 
229 	return 0;
230 }
231 
232 int
233 spdk_lvol_resize(struct spdk_lvol *lvol, size_t sz,  spdk_lvol_op_complete cb_fn, void *cb_arg)
234 {
235 	cb_fn(cb_arg, 0);
236 
237 	return 0;
238 }
239 
240 uint64_t
241 spdk_bs_get_cluster_size(struct spdk_blob_store *bs)
242 {
243 	return g_cluster_size;
244 }
245 
246 struct spdk_bdev *
247 spdk_bdev_get_by_name(const char *bdev_name)
248 {
249 	if (!strcmp(g_base_bdev->name, bdev_name)) {
250 		return g_base_bdev;
251 	}
252 
253 	return NULL;
254 }
255 
256 void
257 spdk_lvol_close(struct spdk_lvol *lvol, spdk_lvol_op_complete cb_fn, void *cb_arg)
258 {
259 	struct spdk_lvs_req *destruct_req;
260 	struct spdk_lvol *iter_lvol, *tmp;
261 	bool all_lvols_closed = true;
262 
263 	lvol->ref_count--;
264 
265 	TAILQ_FOREACH_SAFE(iter_lvol, &lvol->lvol_store->lvols, link, tmp) {
266 		if (iter_lvol->ref_count != 0) {
267 			all_lvols_closed = false;
268 		}
269 	}
270 
271 	destruct_req = lvol->lvol_store->destruct_req;
272 	if (destruct_req && all_lvols_closed == true) {
273 		if (!lvol->lvol_store->destruct) {
274 			spdk_lvs_unload(lvol->lvol_store, destruct_req->cb_fn, destruct_req->cb_arg);
275 			free(destruct_req);
276 		}
277 	}
278 
279 	cb_fn(cb_arg, 0);
280 }
281 
282 void
283 spdk_lvol_destroy(struct spdk_lvol *lvol, spdk_lvol_op_complete cb_fn, void *cb_arg)
284 {
285 	struct spdk_lvs_req *destruct_req;
286 
287 	SPDK_CU_ASSERT_FATAL(lvol == g_lvol);
288 
289 	if (lvol->ref_count != 0) {
290 		cb_fn(cb_arg, -ENODEV);
291 	}
292 
293 	TAILQ_REMOVE(&lvol->lvol_store->lvols, lvol, link);
294 
295 	destruct_req = lvol->lvol_store->destruct_req;
296 	if (destruct_req && TAILQ_EMPTY(&lvol->lvol_store->lvols)) {
297 		if (!lvol->lvol_store->destruct) {
298 			spdk_lvs_unload(lvol->lvol_store, destruct_req->cb_fn, destruct_req->cb_arg);
299 		} else {
300 			spdk_lvs_destroy(lvol->lvol_store, false, destruct_req->cb_fn, destruct_req->cb_arg);
301 			free(destruct_req);
302 		}
303 	}
304 	g_lvol = NULL;
305 	free(lvol->old_name);
306 	free(lvol);
307 
308 	cb_fn(cb_arg, 0);
309 }
310 
311 void
312 spdk_bdev_io_complete(struct spdk_bdev_io *bdev_io, enum spdk_bdev_io_status status)
313 {
314 }
315 
316 struct spdk_io_channel *spdk_lvol_get_io_channel(struct spdk_lvol *lvol)
317 {
318 	CU_ASSERT(lvol == g_lvol);
319 	return g_ch;
320 }
321 
322 void
323 spdk_bdev_io_get_buf(struct spdk_bdev_io *bdev_io, spdk_bdev_io_get_buf_cb cb, uint64_t len)
324 {
325 	CU_ASSERT(cb == lvol_read);
326 }
327 
328 void
329 spdk_bs_io_read_blob(struct spdk_blob *blob, struct spdk_io_channel *channel,
330 		     void *payload, uint64_t offset, uint64_t length,
331 		     spdk_blob_op_complete cb_fn, void *cb_arg)
332 {
333 }
334 
335 void
336 spdk_bs_io_write_blob(struct spdk_blob *blob, struct spdk_io_channel *channel,
337 		      void *payload, uint64_t offset, uint64_t length,
338 		      spdk_blob_op_complete cb_fn, void *cb_arg)
339 {
340 }
341 
342 void
343 spdk_bs_io_writev_blob(struct spdk_blob *blob, struct spdk_io_channel *channel,
344 		       struct iovec *iov, int iovcnt, uint64_t offset, uint64_t length,
345 		       spdk_blob_op_complete cb_fn, void *cb_arg)
346 {
347 	CU_ASSERT(blob == NULL);
348 	CU_ASSERT(channel == g_ch);
349 	CU_ASSERT(offset == g_io->u.bdev.offset_blocks);
350 	CU_ASSERT(length == g_io->u.bdev.num_blocks);
351 }
352 
353 void
354 spdk_bs_io_readv_blob(struct spdk_blob *blob, struct spdk_io_channel *channel,
355 		      struct iovec *iov, int iovcnt, uint64_t offset, uint64_t length,
356 		      spdk_blob_op_complete cb_fn, void *cb_arg)
357 {
358 	CU_ASSERT(blob == NULL);
359 	CU_ASSERT(channel == g_ch);
360 	CU_ASSERT(offset == g_io->u.bdev.offset_blocks);
361 	CU_ASSERT(length == g_io->u.bdev.num_blocks);
362 }
363 
364 void
365 spdk_bs_io_flush_channel(struct spdk_io_channel *channel, spdk_blob_op_complete cb_fn, void *cb_arg)
366 {
367 }
368 
369 void
370 spdk_bdev_module_list_add(struct spdk_bdev_module_if *bdev_module)
371 {
372 }
373 
374 int
375 spdk_json_write_name(struct spdk_json_write_ctx *w, const char *name)
376 {
377 	return 0;
378 }
379 
380 int
381 spdk_json_write_string(struct spdk_json_write_ctx *w, const char *val)
382 {
383 	return 0;
384 }
385 
386 int
387 spdk_json_write_object_begin(struct spdk_json_write_ctx *w)
388 {
389 	return 0;
390 }
391 
392 int
393 spdk_json_write_object_end(struct spdk_json_write_ctx *w)
394 {
395 	return 0;
396 }
397 
398 const char *
399 spdk_bdev_get_name(const struct spdk_bdev *bdev)
400 {
401 	return "test";
402 }
403 
404 void
405 spdk_vbdev_register(struct spdk_bdev *vbdev, struct spdk_bdev **base_bdevs, int base_bdev_count)
406 {
407 	g_registered_bdevs++;
408 }
409 
410 void
411 spdk_bdev_module_examine_done(struct spdk_bdev_module_if *module)
412 {
413 	g_examine_done = true;
414 }
415 
416 static struct spdk_lvol *
417 _lvol_create(struct spdk_lvol_store *lvs)
418 {
419 	struct spdk_lvol *lvol = calloc(1, sizeof(*lvol));
420 
421 	SPDK_CU_ASSERT_FATAL(lvol != NULL);
422 
423 	lvol->lvol_store = lvs;
424 	lvol->ref_count++;
425 	lvol->old_name = spdk_sprintf_alloc("%s", "UNIT_TEST_UUID");
426 	SPDK_CU_ASSERT_FATAL(lvol->old_name != NULL);
427 
428 	TAILQ_INSERT_TAIL(&lvol->lvol_store->lvols, lvol, link);
429 
430 	return lvol;
431 }
432 
433 int
434 spdk_lvol_create(struct spdk_lvol_store *lvs, const char *name, size_t sz,
435 		 spdk_lvol_op_with_handle_complete cb_fn, void *cb_arg)
436 {
437 	struct spdk_lvol *lvol;
438 
439 	lvol = _lvol_create(lvs);
440 	cb_fn(cb_arg, lvol, 0);
441 
442 	return 0;
443 }
444 
445 static void
446 lvol_store_op_complete(void *cb_arg, int lvserrno)
447 {
448 	g_lvserrno = lvserrno;
449 	return;
450 }
451 
452 static void
453 lvol_store_op_with_handle_complete(void *cb_arg, struct spdk_lvol_store *lvs, int lvserrno)
454 {
455 	g_lvserrno = lvserrno;
456 	g_lvol_store = lvs;
457 	return;
458 }
459 
460 static void
461 vbdev_lvol_create_complete(void *cb_arg, struct spdk_lvol *lvol, int lvolerrno)
462 {
463 	g_lvolerrno = lvolerrno;
464 	g_lvol = lvol;
465 }
466 
467 static void
468 vbdev_lvol_resize_complete(void *cb_arg, int lvolerrno)
469 {
470 	g_lvolerrno = lvolerrno;
471 }
472 
473 static void
474 ut_lvs_destroy(void)
475 {
476 	int rc = 0;
477 	int sz = 10;
478 	struct spdk_lvol_store *lvs;
479 
480 	/* Lvol store is succesfully created */
481 	rc = vbdev_lvs_create(&g_bdev, "lvs", 0, lvol_store_op_with_handle_complete, NULL);
482 	CU_ASSERT(rc == 0);
483 	CU_ASSERT(g_lvserrno == 0);
484 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
485 	CU_ASSERT(g_bs_dev != NULL);
486 
487 	lvs = g_lvol_store;
488 	g_lvol_store = NULL;
489 
490 	uuid_generate_time(lvs->uuid);
491 
492 	/* Suuccessfully create lvol, which should be unloaded with lvs later */
493 	g_lvolerrno = -1;
494 	rc = vbdev_lvol_create(lvs->uuid, "lvol", sz, vbdev_lvol_create_complete, NULL);
495 	CU_ASSERT(rc == 0);
496 	CU_ASSERT(g_lvolerrno == 0);
497 	SPDK_CU_ASSERT_FATAL(g_lvol != NULL);
498 
499 	/* Unload lvol store */
500 	vbdev_lvs_destruct(lvs, lvol_store_op_complete, NULL);
501 	CU_ASSERT(g_lvserrno == 0);
502 	CU_ASSERT(g_lvol_store == NULL);
503 }
504 
505 static void
506 ut_lvol_init(void)
507 {
508 	uuid_t wrong_uuid;
509 	int sz = 10;
510 	int rc;
511 
512 	g_lvs = calloc(1, sizeof(*g_lvs));
513 	SPDK_CU_ASSERT_FATAL(g_lvs != NULL);
514 	TAILQ_INIT(&g_lvs->lvols);
515 	g_lvs_bdev = calloc(1, sizeof(*g_lvs_bdev));
516 	SPDK_CU_ASSERT_FATAL(g_lvs_bdev != NULL);
517 	g_base_bdev = calloc(1, sizeof(*g_base_bdev));
518 	SPDK_CU_ASSERT_FATAL(g_base_bdev != NULL);
519 
520 	g_lvs_bdev->lvs = g_lvs;
521 	g_lvs_bdev->bdev = g_base_bdev;
522 
523 	uuid_generate_time(g_lvs->uuid);
524 	uuid_generate_time(wrong_uuid);
525 
526 	/* Incorrect uuid set */
527 	g_lvolerrno = 0;
528 	rc = vbdev_lvol_create(wrong_uuid, "lvol", sz, vbdev_lvol_create_complete, NULL);
529 	CU_ASSERT(rc == -ENODEV);
530 
531 	TAILQ_INSERT_TAIL(&g_spdk_lvol_pairs, g_lvs_bdev, lvol_stores);
532 
533 	/* Successful lvol create */
534 	g_lvolerrno = -1;
535 	rc = vbdev_lvol_create(g_lvs->uuid, "lvol", sz, vbdev_lvol_create_complete, NULL);
536 	SPDK_CU_ASSERT_FATAL(rc == 0);
537 	CU_ASSERT(g_lvol != NULL);
538 	CU_ASSERT(g_lvolerrno == 0);
539 
540 	/* Successful lvol destruct */
541 	vbdev_lvol_destruct(g_lvol);
542 	CU_ASSERT(g_lvol == NULL);
543 
544 	TAILQ_REMOVE(&g_spdk_lvol_pairs, g_lvs_bdev, lvol_stores);
545 
546 	free(g_lvs);
547 	free(g_lvs_bdev);
548 	free(g_base_bdev);
549 
550 
551 }
552 
553 static void
554 ut_lvol_hotremove(void)
555 {
556 	int rc = 0;
557 
558 	lvol_store_initialize_fail = false;
559 	lvol_store_initialize_cb_fail = false;
560 	lvol_already_opened = false;
561 	g_bs_dev = NULL;
562 
563 	/* Lvol store is succesfully created */
564 	rc = vbdev_lvs_create(&g_bdev, "lvs", 0, lvol_store_op_with_handle_complete, NULL);
565 	CU_ASSERT(rc == 0);
566 	CU_ASSERT(g_lvserrno == 0);
567 	CU_ASSERT(g_lvol_store != NULL);
568 	CU_ASSERT(g_bs_dev != NULL);
569 
570 	/* Hot remove callback with NULL - stability check */
571 	vbdev_lvs_hotremove_cb(NULL);
572 
573 	/* Hot remove lvs on bdev removal */
574 	vbdev_lvs_hotremove_cb(&g_bdev);
575 
576 	CU_ASSERT(g_lvol_store == NULL);
577 	CU_ASSERT(TAILQ_EMPTY(&g_spdk_lvol_pairs));
578 
579 }
580 
581 static void
582 ut_lvol_examine(void)
583 {
584 	struct spdk_bdev *bdev;
585 
586 	lvol_already_opened = false;
587 	g_bs_dev = NULL;
588 	g_lvserrno = 0;
589 	g_examine_done = false;
590 
591 	/* Examine with NULL bdev */
592 	vbdev_lvs_examine(NULL);
593 	CU_ASSERT(g_bs_dev == NULL);
594 	CU_ASSERT(g_lvol_store == NULL);
595 	CU_ASSERT(g_examine_done == true);
596 
597 	/* Examine unsuccessfully - bdev already opened */
598 	g_bs_dev = NULL;
599 	g_examine_done = false;
600 	g_lvserrno = -1;
601 	lvol_already_opened = true;
602 	vbdev_lvs_examine(&g_bdev);
603 	CU_ASSERT(g_bs_dev == NULL);
604 	CU_ASSERT(g_lvol_store == NULL);
605 	CU_ASSERT(g_examine_done == true);
606 
607 	/* Examine unsuccessfully - fail on lvol store */
608 	g_bs_dev = NULL;
609 	g_examine_done = false;
610 	g_lvserrno = -1;
611 	lvol_already_opened = false;
612 	vbdev_lvs_examine(&g_bdev);
613 	CU_ASSERT(g_bs_dev != NULL);
614 	CU_ASSERT(g_lvol_store == NULL);
615 	CU_ASSERT(g_examine_done == true);
616 	CU_ASSERT(TAILQ_EMPTY(&g_spdk_lvol_pairs));
617 	free(g_bs_dev);
618 
619 	/* Examine unsuccesfully - fail on lvol load */
620 	g_bs_dev = NULL;
621 	g_lvserrno = 0;
622 	g_lvolerrno = -1;
623 	g_num_lvols = 1;
624 	g_examine_done = false;
625 	lvol_already_opened = false;
626 	g_registered_bdevs = 0;
627 	vbdev_lvs_examine(&g_bdev);
628 	CU_ASSERT(g_bs_dev != NULL);
629 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
630 	CU_ASSERT(g_examine_done == true);
631 	CU_ASSERT(g_registered_bdevs == 0);
632 	CU_ASSERT(!TAILQ_EMPTY(&g_spdk_lvol_pairs));
633 	CU_ASSERT(TAILQ_EMPTY(&g_lvol_store->lvols));
634 	vbdev_lvs_destruct(g_lvol_store, lvol_store_op_complete, NULL);
635 	free(g_bs_dev);
636 
637 	/* Examine succesfully */
638 	g_bs_dev = NULL;
639 	g_lvserrno = 0;
640 	g_lvolerrno = 0;
641 	g_examine_done = false;
642 	g_registered_bdevs = 0;
643 	lvol_already_opened = false;
644 	vbdev_lvs_examine(&g_bdev);
645 	CU_ASSERT(g_bs_dev != NULL);
646 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
647 	CU_ASSERT(g_examine_done == true);
648 	CU_ASSERT(g_registered_bdevs != 0);
649 	CU_ASSERT(!TAILQ_EMPTY(&g_spdk_lvol_pairs));
650 	SPDK_CU_ASSERT_FATAL(!TAILQ_EMPTY(&g_lvol_store->lvols));
651 	TAILQ_FIRST(&g_lvol_store->lvols)->ref_count--;
652 	bdev = TAILQ_FIRST(&g_lvol_store->lvols)->bdev;
653 	vbdev_lvs_destruct(g_lvol_store, lvol_store_op_complete, NULL);
654 	free(bdev->name);
655 	free(bdev);
656 	free(g_bs_dev);
657 	free(g_lvol_store);
658 }
659 
660 static void
661 ut_lvol_resize(void)
662 {
663 	int sz = 10;
664 	int rc = 0;
665 
666 	g_lvs = calloc(1, sizeof(*g_lvs));
667 	SPDK_CU_ASSERT_FATAL(g_lvs != NULL);
668 
669 	TAILQ_INIT(&g_lvs->lvols);
670 
671 	g_lvs_bdev = calloc(1, sizeof(*g_lvs_bdev));
672 	SPDK_CU_ASSERT_FATAL(g_lvs_bdev != NULL);
673 	g_base_bdev = calloc(1, sizeof(*g_base_bdev));
674 	SPDK_CU_ASSERT_FATAL(g_base_bdev != NULL);
675 	g_lvs_bdev->lvs = g_lvs;
676 	g_lvs_bdev->bdev = g_base_bdev;
677 
678 
679 	uuid_generate_time(g_lvs->uuid);
680 	g_base_bdev->blocklen = 4096;
681 	TAILQ_INSERT_TAIL(&g_spdk_lvol_pairs, g_lvs_bdev, lvol_stores);
682 
683 	/* Successful lvol create */
684 	g_lvolerrno = -1;
685 	rc = vbdev_lvol_create(g_lvs->uuid, "lvol", sz, vbdev_lvol_create_complete, NULL);
686 	CU_ASSERT(rc == 0);
687 	CU_ASSERT(g_lvolerrno == 0);
688 	SPDK_CU_ASSERT_FATAL(g_lvol != NULL);
689 
690 	g_base_bdev->ctxt = g_lvol;
691 
692 	g_base_bdev->name = spdk_sprintf_alloc("%s", g_lvol->old_name);
693 	SPDK_CU_ASSERT_FATAL(g_base_bdev->name != NULL);
694 
695 	/* Successful lvol resize */
696 	rc = vbdev_lvol_resize(g_lvol->old_name, 20, vbdev_lvol_resize_complete, NULL);
697 	CU_ASSERT(rc == 0);
698 	CU_ASSERT(g_base_bdev->blockcnt == 20 * g_cluster_size / g_base_bdev->blocklen);
699 
700 	/* Resize with wrong bdev name */
701 	rc = vbdev_lvol_resize("wrong name", 20, vbdev_lvol_resize_complete, NULL);
702 	CU_ASSERT(rc != 0);
703 
704 	/* Resize with correct bdev name, but wrong lvol name */
705 	free(g_lvol->old_name);
706 	g_lvol->old_name = strdup("wrong name");
707 	SPDK_CU_ASSERT_FATAL(g_lvol->old_name != NULL);
708 	rc = vbdev_lvol_resize(g_base_bdev->name, 20, vbdev_lvol_resize_complete, NULL);
709 	CU_ASSERT(rc != 0);
710 
711 	/* Successful lvol destruct */
712 	vbdev_lvol_destruct(g_lvol);
713 	CU_ASSERT(g_lvol == NULL);
714 
715 	TAILQ_REMOVE(&g_spdk_lvol_pairs, g_lvs_bdev, lvol_stores);
716 	free(g_lvs);
717 	free(g_lvs_bdev);
718 	free(g_base_bdev->name);
719 	free(g_base_bdev);
720 }
721 
722 static void
723 ut_lvs_unload(void)
724 {
725 	int rc = 0;
726 	int sz = 10;
727 	struct spdk_lvol_store *lvs;
728 
729 	/* Lvol store is succesfully created */
730 	rc = vbdev_lvs_create(&g_bdev, "lvs", 0, lvol_store_op_with_handle_complete, NULL);
731 	CU_ASSERT(rc == 0);
732 	CU_ASSERT(g_lvserrno == 0);
733 	SPDK_CU_ASSERT_FATAL(g_lvol_store != NULL);
734 	CU_ASSERT(g_bs_dev != NULL);
735 
736 	lvs = g_lvol_store;
737 	g_lvol_store = NULL;
738 
739 	uuid_generate_time(lvs->uuid);
740 
741 	/* Suuccessfully create lvol, which should be destroyed with lvs later */
742 	g_lvolerrno = -1;
743 	rc = vbdev_lvol_create(lvs->uuid, "lvol", sz, vbdev_lvol_create_complete, NULL);
744 	CU_ASSERT(rc == 0);
745 	CU_ASSERT(g_lvolerrno == 0);
746 	SPDK_CU_ASSERT_FATAL(g_lvol != NULL);
747 
748 	/* Unload lvol store */
749 	vbdev_lvs_unload(lvs, lvol_store_op_complete, NULL);
750 	CU_ASSERT(g_lvserrno == 0);
751 	CU_ASSERT(g_lvol_store == NULL);
752 	CU_ASSERT(g_lvol != NULL);
753 }
754 
755 static void
756 ut_lvs_init(void)
757 {
758 	int rc = 0;
759 	struct spdk_lvol_store *lvs;
760 	struct spdk_bs_dev *bs_dev_temp;
761 
762 	/* spdk_lvs_init() fails */
763 	lvol_store_initialize_fail = true;
764 
765 	rc = vbdev_lvs_create(&g_bdev, "lvs", 0, lvol_store_op_with_handle_complete, NULL);
766 	CU_ASSERT(rc != 0);
767 	CU_ASSERT(g_lvserrno == 0);
768 	CU_ASSERT(g_lvol_store == NULL);
769 	CU_ASSERT(g_bs_dev == NULL);
770 
771 	lvol_store_initialize_fail = false;
772 
773 	/* spdk_lvs_init_cb() fails */
774 	lvol_store_initialize_cb_fail = true;
775 
776 	rc = vbdev_lvs_create(&g_bdev, "lvs", 0, lvol_store_op_with_handle_complete, NULL);
777 	CU_ASSERT(rc == 0);
778 	CU_ASSERT(g_lvserrno != 0);
779 	CU_ASSERT(g_lvol_store == NULL);
780 	CU_ASSERT(g_bs_dev == NULL);
781 
782 	lvol_store_initialize_cb_fail = false;
783 
784 	/* Lvol store is succesfully created */
785 	rc = vbdev_lvs_create(&g_bdev, "lvs", 0, lvol_store_op_with_handle_complete, NULL);
786 	CU_ASSERT(rc == 0);
787 	CU_ASSERT(g_lvserrno == 0);
788 	CU_ASSERT(g_lvol_store != NULL);
789 	CU_ASSERT(g_bs_dev != NULL);
790 
791 	lvs = g_lvol_store;
792 	g_lvol_store = NULL;
793 	bs_dev_temp = g_bs_dev;
794 	g_bs_dev = NULL;
795 
796 	/* Bdev with lvol store already claimed */
797 	rc = vbdev_lvs_create(&g_bdev, "lvs", 0, lvol_store_op_with_handle_complete, NULL);
798 	CU_ASSERT(rc != 0);
799 	CU_ASSERT(g_lvserrno == 0);
800 	CU_ASSERT(g_lvol_store == NULL);
801 	CU_ASSERT(g_bs_dev == NULL);
802 
803 	/* Destruct lvol store */
804 	g_bs_dev = bs_dev_temp;
805 
806 	vbdev_lvs_destruct(lvs, lvol_store_op_complete, NULL);
807 	CU_ASSERT(g_lvserrno == 0);
808 	CU_ASSERT(g_lvol_store == NULL);
809 	CU_ASSERT(g_bs_dev == NULL);
810 	free(g_bs_dev);
811 
812 }
813 
814 static void
815 ut_vbdev_lvol_get_io_channel(void)
816 {
817 	struct spdk_io_channel *ch;
818 
819 	g_lvol = calloc(1, sizeof(struct spdk_lvol));
820 	SPDK_CU_ASSERT_FATAL(g_lvol != NULL);
821 
822 	ch = vbdev_lvol_get_io_channel(g_lvol);
823 	CU_ASSERT(ch == g_ch);
824 
825 	free(g_lvol);
826 
827 }
828 
829 static void
830 ut_vbdev_lvol_io_type_supported(void)
831 {
832 	struct spdk_lvol *lvol = g_lvol;
833 	bool ret;
834 	/* Supported types */
835 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_READ);
836 	CU_ASSERT(ret == true);
837 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_WRITE);
838 	CU_ASSERT(ret == true);
839 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_FLUSH);
840 	CU_ASSERT(ret == true);
841 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_RESET);
842 	CU_ASSERT(ret == true);
843 
844 	/* Unsupported types */
845 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_UNMAP);
846 	CU_ASSERT(ret == false);
847 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_NVME_ADMIN);
848 	CU_ASSERT(ret == false);
849 	ret = vbdev_lvol_io_type_supported(lvol, SPDK_BDEV_IO_TYPE_NVME_IO);
850 	CU_ASSERT(ret == false);
851 }
852 
853 static void
854 ut_lvol_op_comp(void)
855 {
856 	struct lvol_task task;
857 
858 	lvol_op_comp(&task, 1);
859 	CU_ASSERT(task.status == SPDK_BDEV_IO_STATUS_FAILED);
860 }
861 
862 static void
863 ut_lvol_flush(void)
864 {
865 	g_io = calloc(1, sizeof(struct spdk_bdev_io) + sizeof(struct lvol_task));
866 	SPDK_CU_ASSERT_FATAL(g_io != NULL);
867 	g_base_bdev = calloc(1, sizeof(struct spdk_bdev));
868 	SPDK_CU_ASSERT_FATAL(g_base_bdev != NULL);
869 	g_lvol = calloc(1, sizeof(struct spdk_lvol));
870 	SPDK_CU_ASSERT_FATAL(g_lvol != NULL);
871 
872 	g_task = (struct lvol_task *)g_io->driver_ctx;
873 	g_io->bdev = g_base_bdev;
874 	g_io->bdev->ctxt = g_lvol;
875 
876 	/* Successful flush to lvol */
877 	lvol_flush(g_ch, g_io);
878 
879 	CU_ASSERT(g_task->status == SPDK_BDEV_IO_STATUS_SUCCESS);
880 
881 	free(g_io);
882 	free(g_base_bdev);
883 	free(g_lvol);
884 }
885 
886 static void
887 ut_lvol_read_write(void)
888 {
889 	g_io = calloc(1, sizeof(struct spdk_bdev_io) + sizeof(struct lvol_task));
890 	SPDK_CU_ASSERT_FATAL(g_io != NULL);
891 	g_base_bdev = calloc(1, sizeof(struct spdk_bdev));
892 	SPDK_CU_ASSERT_FATAL(g_base_bdev != NULL);
893 	g_lvol = calloc(1, sizeof(struct spdk_lvol));
894 	SPDK_CU_ASSERT_FATAL(g_lvol != NULL);
895 
896 	g_task = (struct lvol_task *)g_io->driver_ctx;
897 	g_io->bdev = g_base_bdev;
898 	g_io->bdev->ctxt = g_lvol;
899 	g_io->u.bdev.offset_blocks = 20;
900 	g_io->u.bdev.num_blocks = 20;
901 
902 	lvol_read(g_ch, g_io);
903 	CU_ASSERT(g_task->status == SPDK_BDEV_IO_STATUS_SUCCESS);
904 
905 	lvol_write(g_lvol, g_ch, g_io);
906 	CU_ASSERT(g_task->status == SPDK_BDEV_IO_STATUS_SUCCESS);
907 
908 	free(g_io);
909 	free(g_base_bdev);
910 	free(g_lvol);
911 }
912 
913 static void
914 ut_vbdev_lvol_submit_request(void)
915 {
916 	g_io = calloc(1, sizeof(struct spdk_bdev_io) + sizeof(struct lvol_task));
917 	SPDK_CU_ASSERT_FATAL(g_io != NULL);
918 	g_base_bdev = calloc(1, sizeof(struct spdk_bdev));
919 	SPDK_CU_ASSERT_FATAL(g_base_bdev != NULL);
920 	g_task = (struct lvol_task *)g_io->driver_ctx;
921 
922 	g_io->bdev = g_base_bdev;
923 
924 	g_io->type = SPDK_BDEV_IO_TYPE_READ;
925 	vbdev_lvol_submit_request(g_ch, g_io);
926 
927 	free(g_io);
928 	free(g_base_bdev);
929 }
930 
931 int main(int argc, char **argv)
932 {
933 	CU_pSuite	suite = NULL;
934 	unsigned int	num_failures;
935 
936 	if (CU_initialize_registry() != CUE_SUCCESS) {
937 		return CU_get_error();
938 	}
939 
940 	suite = CU_add_suite("lvol", NULL, NULL);
941 	if (suite == NULL) {
942 		CU_cleanup_registry();
943 		return CU_get_error();
944 	}
945 
946 	if (
947 		CU_add_test(suite, "ut_lvs_init", ut_lvs_init) == NULL ||
948 		CU_add_test(suite, "ut_lvol_init", ut_lvol_init) == NULL ||
949 		CU_add_test(suite, "ut_lvs_destroy", ut_lvs_destroy) == NULL ||
950 		CU_add_test(suite, "ut_lvs_unload", ut_lvs_unload) == NULL ||
951 		CU_add_test(suite, "ut_lvol_resize", ut_lvol_resize) == NULL ||
952 		CU_add_test(suite, "lvol_hotremove", ut_lvol_hotremove) == NULL ||
953 		CU_add_test(suite, "ut_vbdev_lvol_get_io_channel", ut_vbdev_lvol_get_io_channel) == NULL ||
954 		CU_add_test(suite, "ut_vbdev_lvol_io_type_supported", ut_vbdev_lvol_io_type_supported) == NULL ||
955 		CU_add_test(suite, "ut_lvol_op_comp", ut_lvol_op_comp) == NULL ||
956 		CU_add_test(suite, "ut_lvol_flush", ut_lvol_flush) == NULL ||
957 		CU_add_test(suite, "ut_lvol_read_write", ut_lvol_read_write) == NULL ||
958 		CU_add_test(suite, "ut_vbdev_lvol_submit_request", ut_vbdev_lvol_submit_request) == NULL ||
959 		CU_add_test(suite, "lvol_examine", ut_lvol_examine) == NULL
960 	) {
961 		CU_cleanup_registry();
962 		return CU_get_error();
963 	}
964 
965 	CU_basic_set_mode(CU_BRM_VERBOSE);
966 	CU_basic_run_tests();
967 	num_failures = CU_get_number_of_failures();
968 	CU_cleanup_registry();
969 	return num_failures;
970 }
971