1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * soc-topology-test.c -- ALSA SoC Topology Kernel Unit Tests
4 *
5 * Copyright(c) 2021 Intel Corporation.
6 */
7
8 #include <linux/firmware.h>
9 #include <sound/core.h>
10 #include <sound/soc.h>
11 #include <sound/soc-topology.h>
12 #include <kunit/device.h>
13 #include <kunit/test.h>
14
15 /* ===== HELPER FUNCTIONS =================================================== */
16
17 /*
18 * snd_soc_component needs device to operate on (primarily for prints), create
19 * fake one, as we don't register with PCI or anything else
20 * device_driver name is used in some of the prints (fmt_single_name) so
21 * we also mock up minimal one
22 */
23 static struct device *test_dev;
24
25 static int snd_soc_tplg_test_init(struct kunit *test)
26 {
27 test_dev = kunit_device_register(test, "sound-soc-topology-test");
28 test_dev = get_device(test_dev);
29 if (!test_dev)
30 return -ENODEV;
31
32 return 0;
33 }
34
35 static void snd_soc_tplg_test_exit(struct kunit *test)
36 {
37 put_device(test_dev);
38 }
39
40 /*
41 * helper struct we use when registering component, as we load topology during
42 * component probe, we need to pass struct kunit somehow to probe function, so
43 * we can report test result
44 */
45 struct kunit_soc_component {
46 struct kunit *kunit;
47 int expect; /* what result we expect when loading topology */
48 struct snd_soc_component comp;
49 struct snd_soc_card card;
50 struct firmware fw;
51 };
52
53 static int d_probe(struct snd_soc_component *component)
54 {
55 struct kunit_soc_component *kunit_comp =
56 container_of(component, struct kunit_soc_component, comp);
57 int ret;
58
59 ret = snd_soc_tplg_component_load(component, NULL, &kunit_comp->fw);
60 KUNIT_EXPECT_EQ_MSG(kunit_comp->kunit, kunit_comp->expect, ret,
61 "Failed topology load");
62
63 return 0;
64 }
65
66 static void d_remove(struct snd_soc_component *component)
67 {
68 struct kunit_soc_component *kunit_comp =
69 container_of(component, struct kunit_soc_component, comp);
70 int ret;
71
72 ret = snd_soc_tplg_component_remove(component);
73 KUNIT_EXPECT_EQ(kunit_comp->kunit, 0, ret);
74 }
75
76 /*
77 * ASoC minimal boiler plate
78 */
79 SND_SOC_DAILINK_DEF(dummy, DAILINK_COMP_ARRAY(COMP_DUMMY()));
80
81 SND_SOC_DAILINK_DEF(platform, DAILINK_COMP_ARRAY(COMP_PLATFORM("sound-soc-topology-test")));
82
83 static struct snd_soc_dai_link kunit_dai_links[] = {
84 {
85 .name = "KUNIT Audio Port",
86 .id = 0,
87 .stream_name = "Audio Playback/Capture",
88 .nonatomic = 1,
89 .dynamic = 1,
90 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
91 .dpcm_playback = 1,
92 .dpcm_capture = 1,
93 SND_SOC_DAILINK_REG(dummy, dummy, platform),
94 },
95 };
96
97 static const struct snd_soc_component_driver test_component = {
98 .name = "sound-soc-topology-test",
99 .probe = d_probe,
100 .remove = d_remove,
101 };
102
103 /* ===== TOPOLOGY TEMPLATES ================================================= */
104
105 // Structural representation of topology which can be generated with:
106 // $ touch empty
107 // $ alsatplg -c empty -o empty.tplg
108 // $ xxd -i empty.tplg
109
110 struct tplg_tmpl_001 {
111 struct snd_soc_tplg_hdr header;
112 struct snd_soc_tplg_manifest manifest;
113 } __packed;
114
115 static struct tplg_tmpl_001 tplg_tmpl_empty = {
116 .header = {
117 .magic = cpu_to_le32(SND_SOC_TPLG_MAGIC),
118 .abi = cpu_to_le32(5),
119 .version = 0,
120 .type = cpu_to_le32(SND_SOC_TPLG_TYPE_MANIFEST),
121 .size = cpu_to_le32(sizeof(struct snd_soc_tplg_hdr)),
122 .vendor_type = 0,
123 .payload_size = cpu_to_le32(sizeof(struct snd_soc_tplg_manifest)),
124 .index = 0,
125 .count = cpu_to_le32(1),
126 },
127
128 .manifest = {
129 .size = cpu_to_le32(sizeof(struct snd_soc_tplg_manifest)),
130 /* rest of fields is 0 */
131 },
132 };
133
134 // Structural representation of topology containing SectionPCM
135
136 struct tplg_tmpl_002 {
137 struct snd_soc_tplg_hdr header;
138 struct snd_soc_tplg_manifest manifest;
139 struct snd_soc_tplg_hdr pcm_header;
140 struct snd_soc_tplg_pcm pcm;
141 } __packed;
142
143 static struct tplg_tmpl_002 tplg_tmpl_with_pcm = {
144 .header = {
145 .magic = cpu_to_le32(SND_SOC_TPLG_MAGIC),
146 .abi = cpu_to_le32(5),
147 .version = 0,
148 .type = cpu_to_le32(SND_SOC_TPLG_TYPE_MANIFEST),
149 .size = cpu_to_le32(sizeof(struct snd_soc_tplg_hdr)),
150 .vendor_type = 0,
151 .payload_size = cpu_to_le32(sizeof(struct snd_soc_tplg_manifest)),
152 .index = 0,
153 .count = cpu_to_le32(1),
154 },
155 .manifest = {
156 .size = cpu_to_le32(sizeof(struct snd_soc_tplg_manifest)),
157 .pcm_elems = cpu_to_le32(1),
158 /* rest of fields is 0 */
159 },
160 .pcm_header = {
161 .magic = cpu_to_le32(SND_SOC_TPLG_MAGIC),
162 .abi = cpu_to_le32(5),
163 .version = 0,
164 .type = cpu_to_le32(SND_SOC_TPLG_TYPE_PCM),
165 .size = cpu_to_le32(sizeof(struct snd_soc_tplg_hdr)),
166 .vendor_type = 0,
167 .payload_size = cpu_to_le32(sizeof(struct snd_soc_tplg_pcm)),
168 .index = 0,
169 .count = cpu_to_le32(1),
170 },
171 .pcm = {
172 .size = cpu_to_le32(sizeof(struct snd_soc_tplg_pcm)),
173 .pcm_name = "KUNIT Audio",
174 .dai_name = "kunit-audio-dai",
175 .pcm_id = 0,
176 .dai_id = 0,
177 .playback = cpu_to_le32(1),
178 .capture = cpu_to_le32(1),
179 .compress = 0,
180 .stream = {
181 [0] = {
182 .channels = cpu_to_le32(2),
183 },
184 [1] = {
185 .channels = cpu_to_le32(2),
186 },
187 },
188 .num_streams = 0,
189 .caps = {
190 [0] = {
191 .name = "kunit-audio-playback",
192 .channels_min = cpu_to_le32(2),
193 .channels_max = cpu_to_le32(2),
194 },
195 [1] = {
196 .name = "kunit-audio-capture",
197 .channels_min = cpu_to_le32(2),
198 .channels_max = cpu_to_le32(2),
199 },
200 },
201 .flag_mask = 0,
202 .flags = 0,
203 .priv = { 0 },
204 },
205 };
206
207 /* ===== TEST CASES ========================================================= */
208
209 // TEST CASE
210 // Test passing NULL component as parameter to snd_soc_tplg_component_load
211
212 /*
213 * need to override generic probe function with one using NULL when calling
214 * topology load during component initialization, we don't need .remove
215 * handler as load should fail
216 */
217 static int d_probe_null_comp(struct snd_soc_component *component)
218 {
219 struct kunit_soc_component *kunit_comp =
220 container_of(component, struct kunit_soc_component, comp);
221 int ret;
222
223 /* instead of passing component pointer as first argument, pass NULL here */
224 ret = snd_soc_tplg_component_load(NULL, NULL, &kunit_comp->fw);
225 KUNIT_EXPECT_EQ_MSG(kunit_comp->kunit, kunit_comp->expect, ret,
226 "Failed topology load");
227
228 return 0;
229 }
230
231 static const struct snd_soc_component_driver test_component_null_comp = {
232 .name = "sound-soc-topology-test",
233 .probe = d_probe_null_comp,
234 };
235
236 static void snd_soc_tplg_test_load_with_null_comp(struct kunit *test)
237 {
238 struct kunit_soc_component *kunit_comp;
239 int ret;
240
241 /* prepare */
242 kunit_comp = kunit_kzalloc(test, sizeof(*kunit_comp), GFP_KERNEL);
243 KUNIT_EXPECT_NOT_ERR_OR_NULL(test, kunit_comp);
244 kunit_comp->kunit = test;
245 kunit_comp->expect = -EINVAL; /* expect failure */
246
247 kunit_comp->card.dev = test_dev,
248 kunit_comp->card.name = "kunit-card",
249 kunit_comp->card.owner = THIS_MODULE,
250 kunit_comp->card.dai_link = kunit_dai_links,
251 kunit_comp->card.num_links = ARRAY_SIZE(kunit_dai_links),
252 kunit_comp->card.fully_routed = true,
253
254 /* run test */
255 ret = snd_soc_register_card(&kunit_comp->card);
256 if (ret != 0 && ret != -EPROBE_DEFER)
257 KUNIT_FAIL(test, "Failed to register card");
258
259 ret = snd_soc_component_initialize(&kunit_comp->comp, &test_component_null_comp, test_dev);
260 KUNIT_EXPECT_EQ(test, 0, ret);
261
262 ret = snd_soc_add_component(&kunit_comp->comp, NULL, 0);
263 KUNIT_EXPECT_EQ(test, 0, ret);
264
265 /* cleanup */
266 snd_soc_unregister_card(&kunit_comp->card);
267 snd_soc_unregister_component(test_dev);
268 }
269
270 // TEST CASE
271 // Test passing NULL ops as parameter to snd_soc_tplg_component_load
272
273 /*
274 * NULL ops is default case, we pass empty topology (fw), so we don't have
275 * anything to parse and just do nothing, which results in return 0; from
276 * calling soc_tplg_dapm_complete in soc_tplg_process_headers
277 */
278 static void snd_soc_tplg_test_load_with_null_ops(struct kunit *test)
279 {
280 struct kunit_soc_component *kunit_comp;
281 int ret;
282
283 /* prepare */
284 kunit_comp = kunit_kzalloc(test, sizeof(*kunit_comp), GFP_KERNEL);
285 KUNIT_EXPECT_NOT_ERR_OR_NULL(test, kunit_comp);
286 kunit_comp->kunit = test;
287 kunit_comp->expect = 0; /* expect success */
288
289 kunit_comp->card.dev = test_dev,
290 kunit_comp->card.name = "kunit-card",
291 kunit_comp->card.owner = THIS_MODULE,
292 kunit_comp->card.dai_link = kunit_dai_links,
293 kunit_comp->card.num_links = ARRAY_SIZE(kunit_dai_links),
294 kunit_comp->card.fully_routed = true,
295
296 /* run test */
297 ret = snd_soc_register_card(&kunit_comp->card);
298 if (ret != 0 && ret != -EPROBE_DEFER)
299 KUNIT_FAIL(test, "Failed to register card");
300
301 ret = snd_soc_component_initialize(&kunit_comp->comp, &test_component, test_dev);
302 KUNIT_EXPECT_EQ(test, 0, ret);
303
304 ret = snd_soc_add_component(&kunit_comp->comp, NULL, 0);
305 KUNIT_EXPECT_EQ(test, 0, ret);
306
307 /* cleanup */
308 snd_soc_unregister_card(&kunit_comp->card);
309
310 snd_soc_unregister_component(test_dev);
311 }
312
313 // TEST CASE
314 // Test passing NULL fw as parameter to snd_soc_tplg_component_load
315
316 /*
317 * need to override generic probe function with one using NULL pointer to fw
318 * when calling topology load during component initialization, we don't need
319 * .remove handler as load should fail
320 */
321 static int d_probe_null_fw(struct snd_soc_component *component)
322 {
323 struct kunit_soc_component *kunit_comp =
324 container_of(component, struct kunit_soc_component, comp);
325 int ret;
326
327 /* instead of passing fw pointer as third argument, pass NULL here */
328 ret = snd_soc_tplg_component_load(component, NULL, NULL);
329 KUNIT_EXPECT_EQ_MSG(kunit_comp->kunit, kunit_comp->expect, ret,
330 "Failed topology load");
331
332 return 0;
333 }
334
335 static const struct snd_soc_component_driver test_component_null_fw = {
336 .name = "sound-soc-topology-test",
337 .probe = d_probe_null_fw,
338 };
339
340 static void snd_soc_tplg_test_load_with_null_fw(struct kunit *test)
341 {
342 struct kunit_soc_component *kunit_comp;
343 int ret;
344
345 /* prepare */
346 kunit_comp = kunit_kzalloc(test, sizeof(*kunit_comp), GFP_KERNEL);
347 KUNIT_EXPECT_NOT_ERR_OR_NULL(test, kunit_comp);
348 kunit_comp->kunit = test;
349 kunit_comp->expect = -EINVAL; /* expect failure */
350
351 kunit_comp->card.dev = test_dev,
352 kunit_comp->card.name = "kunit-card",
353 kunit_comp->card.owner = THIS_MODULE,
354 kunit_comp->card.dai_link = kunit_dai_links,
355 kunit_comp->card.num_links = ARRAY_SIZE(kunit_dai_links),
356 kunit_comp->card.fully_routed = true,
357
358 /* run test */
359 ret = snd_soc_register_card(&kunit_comp->card);
360 if (ret != 0 && ret != -EPROBE_DEFER)
361 KUNIT_FAIL(test, "Failed to register card");
362
363 ret = snd_soc_component_initialize(&kunit_comp->comp, &test_component_null_fw, test_dev);
364 KUNIT_EXPECT_EQ(test, 0, ret);
365
366 ret = snd_soc_add_component(&kunit_comp->comp, NULL, 0);
367 KUNIT_EXPECT_EQ(test, 0, ret);
368
369 /* cleanup */
370 snd_soc_unregister_card(&kunit_comp->card);
371
372 snd_soc_unregister_component(test_dev);
373 }
374
375 // TEST CASE
376 // Test passing "empty" topology file
377 static void snd_soc_tplg_test_load_empty_tplg(struct kunit *test)
378 {
379 struct kunit_soc_component *kunit_comp;
380 struct tplg_tmpl_001 *data;
381 int size;
382 int ret;
383
384 /* prepare */
385 kunit_comp = kunit_kzalloc(test, sizeof(*kunit_comp), GFP_KERNEL);
386 KUNIT_EXPECT_NOT_ERR_OR_NULL(test, kunit_comp);
387 kunit_comp->kunit = test;
388 kunit_comp->expect = 0; /* expect success */
389
390 size = sizeof(tplg_tmpl_empty);
391 data = kunit_kzalloc(kunit_comp->kunit, size, GFP_KERNEL);
392 KUNIT_EXPECT_NOT_ERR_OR_NULL(kunit_comp->kunit, data);
393
394 memcpy(data, &tplg_tmpl_empty, sizeof(tplg_tmpl_empty));
395
396 kunit_comp->fw.data = (u8 *)data;
397 kunit_comp->fw.size = size;
398
399 kunit_comp->card.dev = test_dev,
400 kunit_comp->card.name = "kunit-card",
401 kunit_comp->card.owner = THIS_MODULE,
402 kunit_comp->card.dai_link = kunit_dai_links,
403 kunit_comp->card.num_links = ARRAY_SIZE(kunit_dai_links),
404 kunit_comp->card.fully_routed = true,
405
406 /* run test */
407 ret = snd_soc_register_card(&kunit_comp->card);
408 if (ret != 0 && ret != -EPROBE_DEFER)
409 KUNIT_FAIL(test, "Failed to register card");
410
411 ret = snd_soc_component_initialize(&kunit_comp->comp, &test_component, test_dev);
412 KUNIT_EXPECT_EQ(test, 0, ret);
413
414 ret = snd_soc_add_component(&kunit_comp->comp, NULL, 0);
415 KUNIT_EXPECT_EQ(test, 0, ret);
416
417 /* cleanup */
418 snd_soc_unregister_card(&kunit_comp->card);
419
420 snd_soc_unregister_component(test_dev);
421 }
422
423 // TEST CASE
424 // Test "empty" topology file, but with bad "magic"
425 // In theory we could loop through all possible bad values, but it takes too
426 // long, so just use SND_SOC_TPLG_MAGIC + 1
427 static void snd_soc_tplg_test_load_empty_tplg_bad_magic(struct kunit *test)
428 {
429 struct kunit_soc_component *kunit_comp;
430 struct tplg_tmpl_001 *data;
431 int size;
432 int ret;
433
434 /* prepare */
435 kunit_comp = kunit_kzalloc(test, sizeof(*kunit_comp), GFP_KERNEL);
436 KUNIT_EXPECT_NOT_ERR_OR_NULL(test, kunit_comp);
437 kunit_comp->kunit = test;
438 kunit_comp->expect = -EINVAL; /* expect failure */
439
440 size = sizeof(tplg_tmpl_empty);
441 data = kunit_kzalloc(kunit_comp->kunit, size, GFP_KERNEL);
442 KUNIT_EXPECT_NOT_ERR_OR_NULL(kunit_comp->kunit, data);
443
444 memcpy(data, &tplg_tmpl_empty, sizeof(tplg_tmpl_empty));
445 /*
446 * override abi
447 * any value != magic number is wrong
448 */
449 data->header.magic = cpu_to_le32(SND_SOC_TPLG_MAGIC + 1);
450
451 kunit_comp->fw.data = (u8 *)data;
452 kunit_comp->fw.size = size;
453
454 kunit_comp->card.dev = test_dev,
455 kunit_comp->card.name = "kunit-card",
456 kunit_comp->card.owner = THIS_MODULE,
457 kunit_comp->card.dai_link = kunit_dai_links,
458 kunit_comp->card.num_links = ARRAY_SIZE(kunit_dai_links),
459 kunit_comp->card.fully_routed = true,
460
461 /* run test */
462 ret = snd_soc_register_card(&kunit_comp->card);
463 if (ret != 0 && ret != -EPROBE_DEFER)
464 KUNIT_FAIL(test, "Failed to register card");
465
466 ret = snd_soc_component_initialize(&kunit_comp->comp, &test_component, test_dev);
467 KUNIT_EXPECT_EQ(test, 0, ret);
468
469 ret = snd_soc_add_component(&kunit_comp->comp, NULL, 0);
470 KUNIT_EXPECT_EQ(test, 0, ret);
471
472 /* cleanup */
473 snd_soc_unregister_card(&kunit_comp->card);
474
475 snd_soc_unregister_component(test_dev);
476 }
477
478 // TEST CASE
479 // Test "empty" topology file, but with bad "abi"
480 // In theory we could loop through all possible bad values, but it takes too
481 // long, so just use SND_SOC_TPLG_ABI_VERSION + 1
482 static void snd_soc_tplg_test_load_empty_tplg_bad_abi(struct kunit *test)
483 {
484 struct kunit_soc_component *kunit_comp;
485 struct tplg_tmpl_001 *data;
486 int size;
487 int ret;
488
489 /* prepare */
490 kunit_comp = kunit_kzalloc(test, sizeof(*kunit_comp), GFP_KERNEL);
491 KUNIT_EXPECT_NOT_ERR_OR_NULL(test, kunit_comp);
492 kunit_comp->kunit = test;
493 kunit_comp->expect = -EINVAL; /* expect failure */
494
495 size = sizeof(tplg_tmpl_empty);
496 data = kunit_kzalloc(kunit_comp->kunit, size, GFP_KERNEL);
497 KUNIT_EXPECT_NOT_ERR_OR_NULL(kunit_comp->kunit, data);
498
499 memcpy(data, &tplg_tmpl_empty, sizeof(tplg_tmpl_empty));
500 /*
501 * override abi
502 * any value != accepted range is wrong
503 */
504 data->header.abi = cpu_to_le32(SND_SOC_TPLG_ABI_VERSION + 1);
505
506 kunit_comp->fw.data = (u8 *)data;
507 kunit_comp->fw.size = size;
508
509 kunit_comp->card.dev = test_dev,
510 kunit_comp->card.name = "kunit-card",
511 kunit_comp->card.owner = THIS_MODULE,
512 kunit_comp->card.dai_link = kunit_dai_links,
513 kunit_comp->card.num_links = ARRAY_SIZE(kunit_dai_links),
514 kunit_comp->card.fully_routed = true,
515
516 /* run test */
517 ret = snd_soc_register_card(&kunit_comp->card);
518 if (ret != 0 && ret != -EPROBE_DEFER)
519 KUNIT_FAIL(test, "Failed to register card");
520
521 ret = snd_soc_component_initialize(&kunit_comp->comp, &test_component, test_dev);
522 KUNIT_EXPECT_EQ(test, 0, ret);
523
524 ret = snd_soc_add_component(&kunit_comp->comp, NULL, 0);
525 KUNIT_EXPECT_EQ(test, 0, ret);
526
527 /* cleanup */
528 snd_soc_unregister_card(&kunit_comp->card);
529
530 snd_soc_unregister_component(test_dev);
531 }
532
533 // TEST CASE
534 // Test "empty" topology file, but with bad "size"
535 // In theory we could loop through all possible bad values, but it takes too
536 // long, so just use sizeof(struct snd_soc_tplg_hdr) + 1
537 static void snd_soc_tplg_test_load_empty_tplg_bad_size(struct kunit *test)
538 {
539 struct kunit_soc_component *kunit_comp;
540 struct tplg_tmpl_001 *data;
541 int size;
542 int ret;
543
544 /* prepare */
545 kunit_comp = kunit_kzalloc(test, sizeof(*kunit_comp), GFP_KERNEL);
546 KUNIT_EXPECT_NOT_ERR_OR_NULL(test, kunit_comp);
547 kunit_comp->kunit = test;
548 kunit_comp->expect = -EINVAL; /* expect failure */
549
550 size = sizeof(tplg_tmpl_empty);
551 data = kunit_kzalloc(kunit_comp->kunit, size, GFP_KERNEL);
552 KUNIT_EXPECT_NOT_ERR_OR_NULL(kunit_comp->kunit, data);
553
554 memcpy(data, &tplg_tmpl_empty, sizeof(tplg_tmpl_empty));
555 /*
556 * override size
557 * any value != struct size is wrong
558 */
559 data->header.size = cpu_to_le32(sizeof(struct snd_soc_tplg_hdr) + 1);
560
561 kunit_comp->fw.data = (u8 *)data;
562 kunit_comp->fw.size = size;
563
564 kunit_comp->card.dev = test_dev,
565 kunit_comp->card.name = "kunit-card",
566 kunit_comp->card.owner = THIS_MODULE,
567 kunit_comp->card.dai_link = kunit_dai_links,
568 kunit_comp->card.num_links = ARRAY_SIZE(kunit_dai_links),
569 kunit_comp->card.fully_routed = true,
570
571 /* run test */
572 ret = snd_soc_register_card(&kunit_comp->card);
573 if (ret != 0 && ret != -EPROBE_DEFER)
574 KUNIT_FAIL(test, "Failed to register card");
575
576 ret = snd_soc_component_initialize(&kunit_comp->comp, &test_component, test_dev);
577 KUNIT_EXPECT_EQ(test, 0, ret);
578
579 ret = snd_soc_add_component(&kunit_comp->comp, NULL, 0);
580 KUNIT_EXPECT_EQ(test, 0, ret);
581
582 /* cleanup */
583 snd_soc_unregister_card(&kunit_comp->card);
584
585 snd_soc_unregister_component(test_dev);
586 }
587
588 // TEST CASE
589 // Test "empty" topology file, but with bad "payload_size"
590 // In theory we could loop through all possible bad values, but it takes too
591 // long, so just use the known wrong one
592 static void snd_soc_tplg_test_load_empty_tplg_bad_payload_size(struct kunit *test)
593 {
594 struct kunit_soc_component *kunit_comp;
595 struct tplg_tmpl_001 *data;
596 int size;
597 int ret;
598
599 /* prepare */
600 kunit_comp = kunit_kzalloc(test, sizeof(*kunit_comp), GFP_KERNEL);
601 KUNIT_EXPECT_NOT_ERR_OR_NULL(test, kunit_comp);
602 kunit_comp->kunit = test;
603 kunit_comp->expect = -EINVAL; /* expect failure */
604
605 size = sizeof(tplg_tmpl_empty);
606 data = kunit_kzalloc(kunit_comp->kunit, size, GFP_KERNEL);
607 KUNIT_EXPECT_NOT_ERR_OR_NULL(kunit_comp->kunit, data);
608
609 memcpy(data, &tplg_tmpl_empty, sizeof(tplg_tmpl_empty));
610 /*
611 * override payload size
612 * there is only explicit check for 0, so check with it, other values
613 * are handled by just not reading behind EOF
614 */
615 data->header.payload_size = 0;
616
617 kunit_comp->fw.data = (u8 *)data;
618 kunit_comp->fw.size = size;
619
620 kunit_comp->card.dev = test_dev,
621 kunit_comp->card.name = "kunit-card",
622 kunit_comp->card.owner = THIS_MODULE,
623 kunit_comp->card.dai_link = kunit_dai_links,
624 kunit_comp->card.num_links = ARRAY_SIZE(kunit_dai_links),
625 kunit_comp->card.fully_routed = true,
626
627 /* run test */
628 ret = snd_soc_register_card(&kunit_comp->card);
629 if (ret != 0 && ret != -EPROBE_DEFER)
630 KUNIT_FAIL(test, "Failed to register card");
631
632 ret = snd_soc_component_initialize(&kunit_comp->comp, &test_component, test_dev);
633 KUNIT_EXPECT_EQ(test, 0, ret);
634
635 ret = snd_soc_add_component(&kunit_comp->comp, NULL, 0);
636 KUNIT_EXPECT_EQ(test, 0, ret);
637
638 /* cleanup */
639 snd_soc_unregister_component(test_dev);
640
641 snd_soc_unregister_card(&kunit_comp->card);
642 }
643
644 // TEST CASE
645 // Test passing topology file with PCM definition
646 static void snd_soc_tplg_test_load_pcm_tplg(struct kunit *test)
647 {
648 struct kunit_soc_component *kunit_comp;
649 u8 *data;
650 int size;
651 int ret;
652
653 /* prepare */
654 kunit_comp = kunit_kzalloc(test, sizeof(*kunit_comp), GFP_KERNEL);
655 KUNIT_EXPECT_NOT_ERR_OR_NULL(test, kunit_comp);
656 kunit_comp->kunit = test;
657 kunit_comp->expect = 0; /* expect success */
658
659 size = sizeof(tplg_tmpl_with_pcm);
660 data = kunit_kzalloc(kunit_comp->kunit, size, GFP_KERNEL);
661 KUNIT_EXPECT_NOT_ERR_OR_NULL(kunit_comp->kunit, data);
662
663 memcpy(data, &tplg_tmpl_with_pcm, sizeof(tplg_tmpl_with_pcm));
664
665 kunit_comp->fw.data = data;
666 kunit_comp->fw.size = size;
667
668 kunit_comp->card.dev = test_dev,
669 kunit_comp->card.name = "kunit-card",
670 kunit_comp->card.owner = THIS_MODULE,
671 kunit_comp->card.dai_link = kunit_dai_links,
672 kunit_comp->card.num_links = ARRAY_SIZE(kunit_dai_links),
673 kunit_comp->card.fully_routed = true,
674
675 /* run test */
676 ret = snd_soc_register_card(&kunit_comp->card);
677 if (ret != 0 && ret != -EPROBE_DEFER)
678 KUNIT_FAIL(test, "Failed to register card");
679
680 ret = snd_soc_component_initialize(&kunit_comp->comp, &test_component, test_dev);
681 KUNIT_EXPECT_EQ(test, 0, ret);
682
683 ret = snd_soc_add_component(&kunit_comp->comp, NULL, 0);
684 KUNIT_EXPECT_EQ(test, 0, ret);
685
686 snd_soc_unregister_component(test_dev);
687
688 /* cleanup */
689 snd_soc_unregister_card(&kunit_comp->card);
690 }
691
692 // TEST CASE
693 // Test passing topology file with PCM definition
694 // with component reload
695 static void snd_soc_tplg_test_load_pcm_tplg_reload_comp(struct kunit *test)
696 {
697 struct kunit_soc_component *kunit_comp;
698 u8 *data;
699 int size;
700 int ret;
701 int i;
702
703 /* prepare */
704 kunit_comp = kunit_kzalloc(test, sizeof(*kunit_comp), GFP_KERNEL);
705 KUNIT_EXPECT_NOT_ERR_OR_NULL(test, kunit_comp);
706 kunit_comp->kunit = test;
707 kunit_comp->expect = 0; /* expect success */
708
709 size = sizeof(tplg_tmpl_with_pcm);
710 data = kunit_kzalloc(kunit_comp->kunit, size, GFP_KERNEL);
711 KUNIT_EXPECT_NOT_ERR_OR_NULL(kunit_comp->kunit, data);
712
713 memcpy(data, &tplg_tmpl_with_pcm, sizeof(tplg_tmpl_with_pcm));
714
715 kunit_comp->fw.data = data;
716 kunit_comp->fw.size = size;
717
718 kunit_comp->card.dev = test_dev,
719 kunit_comp->card.name = "kunit-card",
720 kunit_comp->card.owner = THIS_MODULE,
721 kunit_comp->card.dai_link = kunit_dai_links,
722 kunit_comp->card.num_links = ARRAY_SIZE(kunit_dai_links),
723 kunit_comp->card.fully_routed = true,
724
725 /* run test */
726 ret = snd_soc_register_card(&kunit_comp->card);
727 if (ret != 0 && ret != -EPROBE_DEFER)
728 KUNIT_FAIL(test, "Failed to register card");
729
730 for (i = 0; i < 100; i++) {
731 ret = snd_soc_component_initialize(&kunit_comp->comp, &test_component, test_dev);
732 KUNIT_EXPECT_EQ(test, 0, ret);
733
734 ret = snd_soc_add_component(&kunit_comp->comp, NULL, 0);
735 KUNIT_EXPECT_EQ(test, 0, ret);
736
737 snd_soc_unregister_component(test_dev);
738 }
739
740 /* cleanup */
741 snd_soc_unregister_card(&kunit_comp->card);
742 }
743
744 // TEST CASE
745 // Test passing topology file with PCM definition
746 // with card reload
747 static void snd_soc_tplg_test_load_pcm_tplg_reload_card(struct kunit *test)
748 {
749 struct kunit_soc_component *kunit_comp;
750 u8 *data;
751 int size;
752 int ret;
753 int i;
754
755 /* prepare */
756 kunit_comp = kunit_kzalloc(test, sizeof(*kunit_comp), GFP_KERNEL);
757 KUNIT_EXPECT_NOT_ERR_OR_NULL(test, kunit_comp);
758 kunit_comp->kunit = test;
759 kunit_comp->expect = 0; /* expect success */
760
761 size = sizeof(tplg_tmpl_with_pcm);
762 data = kunit_kzalloc(kunit_comp->kunit, size, GFP_KERNEL);
763 KUNIT_EXPECT_NOT_ERR_OR_NULL(kunit_comp->kunit, data);
764
765 memcpy(data, &tplg_tmpl_with_pcm, sizeof(tplg_tmpl_with_pcm));
766
767 kunit_comp->fw.data = data;
768 kunit_comp->fw.size = size;
769
770 kunit_comp->card.dev = test_dev,
771 kunit_comp->card.name = "kunit-card",
772 kunit_comp->card.owner = THIS_MODULE,
773 kunit_comp->card.dai_link = kunit_dai_links,
774 kunit_comp->card.num_links = ARRAY_SIZE(kunit_dai_links),
775 kunit_comp->card.fully_routed = true,
776
777 /* run test */
778 ret = snd_soc_component_initialize(&kunit_comp->comp, &test_component, test_dev);
779 KUNIT_EXPECT_EQ(test, 0, ret);
780
781 ret = snd_soc_add_component(&kunit_comp->comp, NULL, 0);
782 KUNIT_EXPECT_EQ(test, 0, ret);
783
784 for (i = 0; i < 100; i++) {
785 ret = snd_soc_register_card(&kunit_comp->card);
786 if (ret != 0 && ret != -EPROBE_DEFER)
787 KUNIT_FAIL(test, "Failed to register card");
788
789 snd_soc_unregister_card(&kunit_comp->card);
790 }
791
792 /* cleanup */
793 snd_soc_unregister_component(test_dev);
794 }
795
796 /* ===== KUNIT MODULE DEFINITIONS =========================================== */
797
798 static struct kunit_case snd_soc_tplg_test_cases[] = {
799 KUNIT_CASE(snd_soc_tplg_test_load_with_null_comp),
800 KUNIT_CASE(snd_soc_tplg_test_load_with_null_ops),
801 KUNIT_CASE(snd_soc_tplg_test_load_with_null_fw),
802 KUNIT_CASE(snd_soc_tplg_test_load_empty_tplg),
803 KUNIT_CASE(snd_soc_tplg_test_load_empty_tplg_bad_magic),
804 KUNIT_CASE(snd_soc_tplg_test_load_empty_tplg_bad_abi),
805 KUNIT_CASE(snd_soc_tplg_test_load_empty_tplg_bad_size),
806 KUNIT_CASE(snd_soc_tplg_test_load_empty_tplg_bad_payload_size),
807 KUNIT_CASE(snd_soc_tplg_test_load_pcm_tplg),
808 KUNIT_CASE(snd_soc_tplg_test_load_pcm_tplg_reload_comp),
809 KUNIT_CASE(snd_soc_tplg_test_load_pcm_tplg_reload_card),
810 {}
811 };
812
813 static struct kunit_suite snd_soc_tplg_test_suite = {
814 .name = "snd_soc_tplg_test",
815 .init = snd_soc_tplg_test_init,
816 .exit = snd_soc_tplg_test_exit,
817 .test_cases = snd_soc_tplg_test_cases,
818 };
819
820 kunit_test_suites(&snd_soc_tplg_test_suite);
821
822 MODULE_DESCRIPTION("ASoC Topology Kernel Unit Tests");
823 MODULE_LICENSE("GPL");
824
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