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9ef8112a AG |
1 | /* |
2 | * Blockjob tests | |
3 | * | |
4 | * Copyright Igalia, S.L. 2016 | |
5 | * | |
6 | * Authors: | |
7 | * Alberto Garcia <[email protected]> | |
8 | * | |
9 | * This work is licensed under the terms of the GNU LGPL, version 2 or later. | |
10 | * See the COPYING.LIB file in the top-level directory. | |
11 | */ | |
12 | ||
13 | #include "qemu/osdep.h" | |
14 | #include "qapi/error.h" | |
15 | #include "qemu/main-loop.h" | |
c87621ea | 16 | #include "block/blockjob_int.h" |
9ef8112a AG |
17 | #include "sysemu/block-backend.h" |
18 | ||
19 | static const BlockJobDriver test_block_job_driver = { | |
33e9e9bd KW |
20 | .job_driver = { |
21 | .instance_size = sizeof(BlockJob), | |
80fa2c75 | 22 | .free = block_job_free, |
b15de828 | 23 | .user_resume = block_job_user_resume, |
b69f777d | 24 | .drain = block_job_drain, |
33e9e9bd | 25 | }, |
9ef8112a AG |
26 | }; |
27 | ||
28 | static void block_job_cb(void *opaque, int ret) | |
29 | { | |
30 | } | |
31 | ||
fb367e03 JS |
32 | static BlockJob *mk_job(BlockBackend *blk, const char *id, |
33 | const BlockJobDriver *drv, bool should_succeed, | |
34 | int flags) | |
9ef8112a AG |
35 | { |
36 | BlockJob *job; | |
37 | Error *errp = NULL; | |
38 | ||
fb367e03 JS |
39 | job = block_job_create(id, drv, NULL, blk_bs(blk), |
40 | 0, BLK_PERM_ALL, 0, flags, block_job_cb, | |
c6cc12bf | 41 | NULL, &errp); |
9ef8112a AG |
42 | if (should_succeed) { |
43 | g_assert_null(errp); | |
44 | g_assert_nonnull(job); | |
45 | if (id) { | |
33e9e9bd | 46 | g_assert_cmpstr(job->job.id, ==, id); |
9ef8112a | 47 | } else { |
33e9e9bd | 48 | g_assert_cmpstr(job->job.id, ==, blk_name(blk)); |
9ef8112a AG |
49 | } |
50 | } else { | |
51 | g_assert_nonnull(errp); | |
52 | g_assert_null(job); | |
53 | error_free(errp); | |
54 | } | |
55 | ||
56 | return job; | |
57 | } | |
58 | ||
fb367e03 JS |
59 | static BlockJob *do_test_id(BlockBackend *blk, const char *id, |
60 | bool should_succeed) | |
61 | { | |
62 | return mk_job(blk, id, &test_block_job_driver, | |
bb02b65c | 63 | should_succeed, JOB_DEFAULT); |
fb367e03 JS |
64 | } |
65 | ||
9ef8112a AG |
66 | /* This creates a BlockBackend (optionally with a name) with a |
67 | * BlockDriverState inserted. */ | |
68 | static BlockBackend *create_blk(const char *name) | |
69 | { | |
2807c0cd | 70 | /* No I/O is performed on this device */ |
6d0eb64d | 71 | BlockBackend *blk = blk_new(0, BLK_PERM_ALL); |
d185cf0e KW |
72 | BlockDriverState *bs; |
73 | ||
74 | bs = bdrv_open("null-co://", NULL, NULL, 0, &error_abort); | |
75 | g_assert_nonnull(bs); | |
9ef8112a | 76 | |
d7086422 | 77 | blk_insert_bs(blk, bs, &error_abort); |
9ef8112a AG |
78 | bdrv_unref(bs); |
79 | ||
80 | if (name) { | |
81 | Error *errp = NULL; | |
82 | monitor_add_blk(blk, name, &errp); | |
83 | g_assert_null(errp); | |
84 | } | |
85 | ||
86 | return blk; | |
87 | } | |
88 | ||
89 | /* This destroys the backend */ | |
90 | static void destroy_blk(BlockBackend *blk) | |
91 | { | |
92 | if (blk_name(blk)[0] != '\0') { | |
93 | monitor_remove_blk(blk); | |
94 | } | |
95 | ||
96 | blk_remove_bs(blk); | |
97 | blk_unref(blk); | |
98 | } | |
99 | ||
100 | static void test_job_ids(void) | |
101 | { | |
102 | BlockBackend *blk[3]; | |
103 | BlockJob *job[3]; | |
104 | ||
105 | blk[0] = create_blk(NULL); | |
106 | blk[1] = create_blk("drive1"); | |
107 | blk[2] = create_blk("drive2"); | |
108 | ||
109 | /* No job ID provided and the block backend has no name */ | |
110 | job[0] = do_test_id(blk[0], NULL, false); | |
111 | ||
112 | /* These are all invalid job IDs */ | |
113 | job[0] = do_test_id(blk[0], "0id", false); | |
114 | job[0] = do_test_id(blk[0], "", false); | |
115 | job[0] = do_test_id(blk[0], " ", false); | |
116 | job[0] = do_test_id(blk[0], "123", false); | |
117 | job[0] = do_test_id(blk[0], "_id", false); | |
118 | job[0] = do_test_id(blk[0], "-id", false); | |
119 | job[0] = do_test_id(blk[0], ".id", false); | |
120 | job[0] = do_test_id(blk[0], "#id", false); | |
121 | ||
122 | /* This one is valid */ | |
123 | job[0] = do_test_id(blk[0], "id0", true); | |
124 | ||
125 | /* We cannot have two jobs in the same BDS */ | |
126 | do_test_id(blk[0], "id1", false); | |
127 | ||
128 | /* Duplicate job IDs are not allowed */ | |
129 | job[1] = do_test_id(blk[1], "id0", false); | |
130 | ||
131 | /* But once job[0] finishes we can reuse its ID */ | |
4ad35181 | 132 | job_early_fail(&job[0]->job); |
9ef8112a AG |
133 | job[1] = do_test_id(blk[1], "id0", true); |
134 | ||
135 | /* No job ID specified, defaults to the backend name ('drive1') */ | |
4ad35181 | 136 | job_early_fail(&job[1]->job); |
9ef8112a AG |
137 | job[1] = do_test_id(blk[1], NULL, true); |
138 | ||
139 | /* Duplicate job ID */ | |
140 | job[2] = do_test_id(blk[2], "drive1", false); | |
141 | ||
142 | /* The ID of job[2] would default to 'drive2' but it is already in use */ | |
143 | job[0] = do_test_id(blk[0], "drive2", true); | |
144 | job[2] = do_test_id(blk[2], NULL, false); | |
145 | ||
146 | /* This one is valid */ | |
147 | job[2] = do_test_id(blk[2], "id_2", true); | |
148 | ||
4ad35181 KW |
149 | job_early_fail(&job[0]->job); |
150 | job_early_fail(&job[1]->job); | |
151 | job_early_fail(&job[2]->job); | |
9ef8112a AG |
152 | |
153 | destroy_blk(blk[0]); | |
154 | destroy_blk(blk[1]); | |
155 | destroy_blk(blk[2]); | |
156 | } | |
157 | ||
fb367e03 JS |
158 | typedef struct CancelJob { |
159 | BlockJob common; | |
160 | BlockBackend *blk; | |
161 | bool should_converge; | |
162 | bool should_complete; | |
fb367e03 JS |
163 | } CancelJob; |
164 | ||
3453d972 | 165 | static void cancel_job_complete(Job *job, Error **errp) |
fb367e03 | 166 | { |
3453d972 | 167 | CancelJob *s = container_of(job, CancelJob, common.job); |
fb367e03 JS |
168 | s->should_complete = true; |
169 | } | |
170 | ||
f67432a2 | 171 | static int coroutine_fn cancel_job_run(Job *job, Error **errp) |
fb367e03 | 172 | { |
f67432a2 | 173 | CancelJob *s = container_of(job, CancelJob, common.job); |
fb367e03 JS |
174 | |
175 | while (!s->should_complete) { | |
daa7f2f9 | 176 | if (job_is_cancelled(&s->common.job)) { |
eb23654d | 177 | return 0; |
fb367e03 JS |
178 | } |
179 | ||
df956ae2 | 180 | if (!job_is_ready(&s->common.job) && s->should_converge) { |
2e1795b5 | 181 | job_transition_to_ready(&s->common.job); |
fb367e03 JS |
182 | } |
183 | ||
5d43e86e | 184 | job_sleep_ns(&s->common.job, 100000); |
fb367e03 JS |
185 | } |
186 | ||
f67432a2 | 187 | return 0; |
fb367e03 JS |
188 | } |
189 | ||
190 | static const BlockJobDriver test_cancel_driver = { | |
33e9e9bd KW |
191 | .job_driver = { |
192 | .instance_size = sizeof(CancelJob), | |
80fa2c75 | 193 | .free = block_job_free, |
b15de828 | 194 | .user_resume = block_job_user_resume, |
b69f777d | 195 | .drain = block_job_drain, |
f67432a2 | 196 | .run = cancel_job_run, |
3453d972 | 197 | .complete = cancel_job_complete, |
33e9e9bd | 198 | }, |
fb367e03 JS |
199 | }; |
200 | ||
0cc4643b | 201 | static CancelJob *create_common(Job **pjob) |
fb367e03 JS |
202 | { |
203 | BlockBackend *blk; | |
0cc4643b JS |
204 | Job *job; |
205 | BlockJob *bjob; | |
fb367e03 JS |
206 | CancelJob *s; |
207 | ||
208 | blk = create_blk(NULL); | |
0cc4643b JS |
209 | bjob = mk_job(blk, "Steve", &test_cancel_driver, true, |
210 | JOB_MANUAL_FINALIZE | JOB_MANUAL_DISMISS); | |
211 | job = &bjob->job; | |
212 | job_ref(job); | |
213 | assert(job->status == JOB_STATUS_CREATED); | |
214 | s = container_of(bjob, CancelJob, common); | |
fb367e03 JS |
215 | s->blk = blk; |
216 | ||
217 | *pjob = job; | |
218 | return s; | |
219 | } | |
220 | ||
221 | static void cancel_common(CancelJob *s) | |
222 | { | |
223 | BlockJob *job = &s->common; | |
224 | BlockBackend *blk = s->blk; | |
a50c2ab8 | 225 | JobStatus sts = job->job.status; |
30c070a5 KW |
226 | AioContext *ctx; |
227 | ||
228 | ctx = job->job.aio_context; | |
229 | aio_context_acquire(ctx); | |
fb367e03 | 230 | |
3d70ff53 | 231 | job_cancel_sync(&job->job); |
a50c2ab8 | 232 | if (sts != JOB_STATUS_CREATED && sts != JOB_STATUS_CONCLUDED) { |
5f9a6a08 KW |
233 | Job *dummy = &job->job; |
234 | job_dismiss(&dummy, &error_abort); | |
fb367e03 | 235 | } |
a50c2ab8 | 236 | assert(job->job.status == JOB_STATUS_NULL); |
80fa2c75 | 237 | job_unref(&job->job); |
fb367e03 | 238 | destroy_blk(blk); |
30c070a5 KW |
239 | |
240 | aio_context_release(ctx); | |
fb367e03 JS |
241 | } |
242 | ||
243 | static void test_cancel_created(void) | |
244 | { | |
0cc4643b | 245 | Job *job; |
fb367e03 JS |
246 | CancelJob *s; |
247 | ||
248 | s = create_common(&job); | |
249 | cancel_common(s); | |
250 | } | |
251 | ||
252 | static void test_cancel_running(void) | |
253 | { | |
0cc4643b | 254 | Job *job; |
fb367e03 JS |
255 | CancelJob *s; |
256 | ||
257 | s = create_common(&job); | |
258 | ||
0cc4643b JS |
259 | job_start(job); |
260 | assert(job->status == JOB_STATUS_RUNNING); | |
fb367e03 JS |
261 | |
262 | cancel_common(s); | |
263 | } | |
264 | ||
265 | static void test_cancel_paused(void) | |
266 | { | |
0cc4643b | 267 | Job *job; |
fb367e03 JS |
268 | CancelJob *s; |
269 | ||
270 | s = create_common(&job); | |
271 | ||
0cc4643b JS |
272 | job_start(job); |
273 | assert(job->status == JOB_STATUS_RUNNING); | |
fb367e03 | 274 | |
0cc4643b JS |
275 | job_user_pause(job, &error_abort); |
276 | job_enter(job); | |
277 | assert(job->status == JOB_STATUS_PAUSED); | |
fb367e03 JS |
278 | |
279 | cancel_common(s); | |
280 | } | |
281 | ||
282 | static void test_cancel_ready(void) | |
283 | { | |
0cc4643b | 284 | Job *job; |
fb367e03 JS |
285 | CancelJob *s; |
286 | ||
287 | s = create_common(&job); | |
288 | ||
0cc4643b JS |
289 | job_start(job); |
290 | assert(job->status == JOB_STATUS_RUNNING); | |
fb367e03 JS |
291 | |
292 | s->should_converge = true; | |
0cc4643b JS |
293 | job_enter(job); |
294 | assert(job->status == JOB_STATUS_READY); | |
fb367e03 JS |
295 | |
296 | cancel_common(s); | |
297 | } | |
298 | ||
299 | static void test_cancel_standby(void) | |
300 | { | |
0cc4643b | 301 | Job *job; |
fb367e03 JS |
302 | CancelJob *s; |
303 | ||
304 | s = create_common(&job); | |
305 | ||
0cc4643b JS |
306 | job_start(job); |
307 | assert(job->status == JOB_STATUS_RUNNING); | |
fb367e03 JS |
308 | |
309 | s->should_converge = true; | |
0cc4643b JS |
310 | job_enter(job); |
311 | assert(job->status == JOB_STATUS_READY); | |
fb367e03 | 312 | |
0cc4643b JS |
313 | job_user_pause(job, &error_abort); |
314 | job_enter(job); | |
315 | assert(job->status == JOB_STATUS_STANDBY); | |
fb367e03 JS |
316 | |
317 | cancel_common(s); | |
318 | } | |
319 | ||
320 | static void test_cancel_pending(void) | |
321 | { | |
0cc4643b | 322 | Job *job; |
fb367e03 JS |
323 | CancelJob *s; |
324 | ||
325 | s = create_common(&job); | |
326 | ||
0cc4643b JS |
327 | job_start(job); |
328 | assert(job->status == JOB_STATUS_RUNNING); | |
fb367e03 JS |
329 | |
330 | s->should_converge = true; | |
0cc4643b JS |
331 | job_enter(job); |
332 | assert(job->status == JOB_STATUS_READY); | |
fb367e03 | 333 | |
0cc4643b JS |
334 | job_complete(job, &error_abort); |
335 | job_enter(job); | |
977d26fd | 336 | while (!job->deferred_to_main_loop) { |
fb367e03 JS |
337 | aio_poll(qemu_get_aio_context(), true); |
338 | } | |
977d26fd JS |
339 | assert(job->status == JOB_STATUS_READY); |
340 | aio_poll(qemu_get_aio_context(), true); | |
0cc4643b | 341 | assert(job->status == JOB_STATUS_PENDING); |
fb367e03 JS |
342 | |
343 | cancel_common(s); | |
344 | } | |
345 | ||
346 | static void test_cancel_concluded(void) | |
347 | { | |
0cc4643b | 348 | Job *job; |
fb367e03 JS |
349 | CancelJob *s; |
350 | ||
351 | s = create_common(&job); | |
352 | ||
0cc4643b JS |
353 | job_start(job); |
354 | assert(job->status == JOB_STATUS_RUNNING); | |
fb367e03 JS |
355 | |
356 | s->should_converge = true; | |
0cc4643b JS |
357 | job_enter(job); |
358 | assert(job->status == JOB_STATUS_READY); | |
fb367e03 | 359 | |
0cc4643b JS |
360 | job_complete(job, &error_abort); |
361 | job_enter(job); | |
977d26fd | 362 | while (!job->deferred_to_main_loop) { |
fb367e03 JS |
363 | aio_poll(qemu_get_aio_context(), true); |
364 | } | |
977d26fd JS |
365 | assert(job->status == JOB_STATUS_READY); |
366 | aio_poll(qemu_get_aio_context(), true); | |
0cc4643b | 367 | assert(job->status == JOB_STATUS_PENDING); |
fb367e03 | 368 | |
0cc4643b JS |
369 | job_finalize(job, &error_abort); |
370 | assert(job->status == JOB_STATUS_CONCLUDED); | |
fb367e03 JS |
371 | |
372 | cancel_common(s); | |
373 | } | |
374 | ||
9ef8112a AG |
375 | int main(int argc, char **argv) |
376 | { | |
377 | qemu_init_main_loop(&error_abort); | |
d185cf0e | 378 | bdrv_init(); |
9ef8112a AG |
379 | |
380 | g_test_init(&argc, &argv, NULL); | |
381 | g_test_add_func("/blockjob/ids", test_job_ids); | |
fb367e03 JS |
382 | g_test_add_func("/blockjob/cancel/created", test_cancel_created); |
383 | g_test_add_func("/blockjob/cancel/running", test_cancel_running); | |
384 | g_test_add_func("/blockjob/cancel/paused", test_cancel_paused); | |
385 | g_test_add_func("/blockjob/cancel/ready", test_cancel_ready); | |
386 | g_test_add_func("/blockjob/cancel/standby", test_cancel_standby); | |
387 | g_test_add_func("/blockjob/cancel/pending", test_cancel_pending); | |
388 | g_test_add_func("/blockjob/cancel/concluded", test_cancel_concluded); | |
9ef8112a AG |
389 | return g_test_run(); |
390 | } |