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-rw-r--r--sound/soc/soc-topology-test.c822
1 files changed, 822 insertions, 0 deletions
diff --git a/sound/soc/soc-topology-test.c b/sound/soc/soc-topology-test.c
new file mode 100644
index 000000000000..70cbccc42a42
--- /dev/null
+++ b/sound/soc/soc-topology-test.c
@@ -0,0 +1,822 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * soc-topology-test.c -- ALSA SoC Topology Kernel Unit Tests
+ *
+ * Copyright(c) 2021 Intel Corporation. All rights reserved.
+ */
+
+#include <linux/firmware.h>
+#include <sound/core.h>
+#include <sound/soc.h>
+#include <sound/soc-topology.h>
+#include <kunit/device.h>
+#include <kunit/test.h>
+
+/* ===== HELPER FUNCTIONS =================================================== */
+
+/*
+ * snd_soc_component needs device to operate on (primarily for prints), create
+ * fake one, as we don't register with PCI or anything else
+ * device_driver name is used in some of the prints (fmt_single_name) so
+ * we also mock up minimal one
+ */
+static struct device *test_dev;
+
+static int snd_soc_tplg_test_init(struct kunit *test)
+{
+ test_dev = kunit_device_register(test, "sound-soc-topology-test");
+ test_dev = get_device(test_dev);
+ if (!test_dev)
+ return -ENODEV;
+
+ return 0;
+}
+
+static void snd_soc_tplg_test_exit(struct kunit *test)
+{
+ put_device(test_dev);
+}
+
+/*
+ * helper struct we use when registering component, as we load topology during
+ * component probe, we need to pass struct kunit somehow to probe function, so
+ * we can report test result
+ */
+struct kunit_soc_component {
+ struct kunit *kunit;
+ int expect; /* what result we expect when loading topology */
+ struct snd_soc_component comp;
+ struct snd_soc_card card;
+ struct firmware fw;
+};
+
+static int d_probe(struct snd_soc_component *component)
+{
+ struct kunit_soc_component *kunit_comp =
+ container_of(component, struct kunit_soc_component, comp);
+ int ret;
+
+ ret = snd_soc_tplg_component_load(component, NULL, &kunit_comp->fw);
+ KUNIT_EXPECT_EQ_MSG(kunit_comp->kunit, kunit_comp->expect, ret,
+ "Failed topology load");
+
+ return 0;
+}
+
+static void d_remove(struct snd_soc_component *component)
+{
+ struct kunit_soc_component *kunit_comp =
+ container_of(component, struct kunit_soc_component, comp);
+ int ret;
+
+ ret = snd_soc_tplg_component_remove(component);
+ KUNIT_EXPECT_EQ(kunit_comp->kunit, 0, ret);
+}
+
+/*
+ * ASoC minimal boiler plate
+ */
+SND_SOC_DAILINK_DEF(dummy, DAILINK_COMP_ARRAY(COMP_DUMMY()));
+
+SND_SOC_DAILINK_DEF(platform, DAILINK_COMP_ARRAY(COMP_PLATFORM("sound-soc-topology-test")));
+
+static struct snd_soc_dai_link kunit_dai_links[] = {
+ {
+ .name = "KUNIT Audio Port",
+ .id = 0,
+ .stream_name = "Audio Playback/Capture",
+ .nonatomic = 1,
+ .dynamic = 1,
+ .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
+ .dpcm_playback = 1,
+ .dpcm_capture = 1,
+ SND_SOC_DAILINK_REG(dummy, dummy, platform),
+ },
+};
+
+static const struct snd_soc_component_driver test_component = {
+ .name = "sound-soc-topology-test",
+ .probe = d_probe,
+ .remove = d_remove,
+};
+
+/* ===== TOPOLOGY TEMPLATES ================================================= */
+
+// Structural representation of topology which can be generated with:
+// $ touch empty
+// $ alsatplg -c empty -o empty.tplg
+// $ xxd -i empty.tplg
+
+struct tplg_tmpl_001 {
+ struct snd_soc_tplg_hdr header;
+ struct snd_soc_tplg_manifest manifest;
+} __packed;
+
+static struct tplg_tmpl_001 tplg_tmpl_empty = {
+ .header = {
+ .magic = cpu_to_le32(SND_SOC_TPLG_MAGIC),
+ .abi = cpu_to_le32(5),
+ .version = 0,
+ .type = cpu_to_le32(SND_SOC_TPLG_TYPE_MANIFEST),
+ .size = cpu_to_le32(sizeof(struct snd_soc_tplg_hdr)),
+ .vendor_type = 0,
+ .payload_size = cpu_to_le32(sizeof(struct snd_soc_tplg_manifest)),
+ .index = 0,
+ .count = cpu_to_le32(1),
+ },
+
+ .manifest = {
+ .size = cpu_to_le32(sizeof(struct snd_soc_tplg_manifest)),
+ /* rest of fields is 0 */
+ },
+};
+
+// Structural representation of topology containing SectionPCM
+
+struct tplg_tmpl_002 {
+ struct snd_soc_tplg_hdr header;
+ struct snd_soc_tplg_manifest manifest;
+ struct snd_soc_tplg_hdr pcm_header;
+ struct snd_soc_tplg_pcm pcm;
+} __packed;
+
+static struct tplg_tmpl_002 tplg_tmpl_with_pcm = {
+ .header = {
+ .magic = cpu_to_le32(SND_SOC_TPLG_MAGIC),
+ .abi = cpu_to_le32(5),
+ .version = 0,
+ .type = cpu_to_le32(SND_SOC_TPLG_TYPE_MANIFEST),
+ .size = cpu_to_le32(sizeof(struct snd_soc_tplg_hdr)),
+ .vendor_type = 0,
+ .payload_size = cpu_to_le32(sizeof(struct snd_soc_tplg_manifest)),
+ .index = 0,
+ .count = cpu_to_le32(1),
+ },
+ .manifest = {
+ .size = cpu_to_le32(sizeof(struct snd_soc_tplg_manifest)),
+ .pcm_elems = cpu_to_le32(1),
+ /* rest of fields is 0 */
+ },
+ .pcm_header = {
+ .magic = cpu_to_le32(SND_SOC_TPLG_MAGIC),
+ .abi = cpu_to_le32(5),
+ .version = 0,
+ .type = cpu_to_le32(SND_SOC_TPLG_TYPE_PCM),
+ .size = cpu_to_le32(sizeof(struct snd_soc_tplg_hdr)),
+ .vendor_type = 0,
+ .payload_size = cpu_to_le32(sizeof(struct snd_soc_tplg_pcm)),
+ .index = 0,
+ .count = cpu_to_le32(1),
+ },
+ .pcm = {
+ .size = cpu_to_le32(sizeof(struct snd_soc_tplg_pcm)),
+ .pcm_name = "KUNIT Audio",
+ .dai_name = "kunit-audio-dai",
+ .pcm_id = 0,
+ .dai_id = 0,
+ .playback = cpu_to_le32(1),
+ .capture = cpu_to_le32(1),
+ .compress = 0,
+ .stream = {
+ [0] = {
+ .channels = cpu_to_le32(2),
+ },
+ [1] = {
+ .channels = cpu_to_le32(2),
+ },
+ },
+ .num_streams = 0,
+ .caps = {
+ [0] = {
+ .name = "kunit-audio-playback",
+ .channels_min = cpu_to_le32(2),
+ .channels_max = cpu_to_le32(2),
+ },
+ [1] = {
+ .name = "kunit-audio-capture",
+ .channels_min = cpu_to_le32(2),
+ .channels_max = cpu_to_le32(2),
+ },
+ },
+ .flag_mask = 0,
+ .flags = 0,
+ .priv = { 0 },
+ },
+};
+
+/* ===== TEST CASES ========================================================= */
+
+// TEST CASE
+// Test passing NULL component as parameter to snd_soc_tplg_component_load
+
+/*
+ * need to override generic probe function with one using NULL when calling
+ * topology load during component initialization, we don't need .remove
+ * handler as load should fail
+ */
+static int d_probe_null_comp(struct snd_soc_component *component)
+{
+ struct kunit_soc_component *kunit_comp =
+ container_of(component, struct kunit_soc_component, comp);
+ int ret;
+
+ /* instead of passing component pointer as first argument, pass NULL here */
+ ret = snd_soc_tplg_component_load(NULL, NULL, &kunit_comp->fw);
+ KUNIT_EXPECT_EQ_MSG(kunit_comp->kunit, kunit_comp->expect, ret,
+ "Failed topology load");
+
+ return 0;
+}
+
+static const struct snd_soc_component_driver test_component_null_comp = {
+ .name = "sound-soc-topology-test",
+ .probe = d_probe_null_comp,
+};
+
+static void snd_soc_tplg_test_load_with_null_comp(struct kunit *test)
+{
+ struct kunit_soc_component *kunit_comp;
+ int ret;
+
+ /* prepare */
+ kunit_comp = kunit_kzalloc(test, sizeof(*kunit_comp), GFP_KERNEL);
+ KUNIT_EXPECT_NOT_ERR_OR_NULL(test, kunit_comp);
+ kunit_comp->kunit = test;
+ kunit_comp->expect = -EINVAL; /* expect failure */
+
+ kunit_comp->card.dev = test_dev,
+ kunit_comp->card.name = "kunit-card",
+ kunit_comp->card.owner = THIS_MODULE,
+ kunit_comp->card.dai_link = kunit_dai_links,
+ kunit_comp->card.num_links = ARRAY_SIZE(kunit_dai_links),
+ kunit_comp->card.fully_routed = true,
+
+ /* run test */
+ ret = snd_soc_register_card(&kunit_comp->card);
+ if (ret != 0 && ret != -EPROBE_DEFER)
+ KUNIT_FAIL(test, "Failed to register card");
+
+ ret = snd_soc_component_initialize(&kunit_comp->comp, &test_component_null_comp, test_dev);
+ KUNIT_EXPECT_EQ(test, 0, ret);
+
+ ret = snd_soc_add_component(&kunit_comp->comp, NULL, 0);
+ KUNIT_EXPECT_EQ(test, 0, ret);
+
+ /* cleanup */
+ snd_soc_unregister_card(&kunit_comp->card);
+ snd_soc_unregister_component(test_dev);
+}
+
+// TEST CASE
+// Test passing NULL ops as parameter to snd_soc_tplg_component_load
+
+/*
+ * NULL ops is default case, we pass empty topology (fw), so we don't have
+ * anything to parse and just do nothing, which results in return 0; from
+ * calling soc_tplg_dapm_complete in soc_tplg_process_headers
+ */
+static void snd_soc_tplg_test_load_with_null_ops(struct kunit *test)
+{
+ struct kunit_soc_component *kunit_comp;
+ int ret;
+
+ /* prepare */
+ kunit_comp = kunit_kzalloc(test, sizeof(*kunit_comp), GFP_KERNEL);
+ KUNIT_EXPECT_NOT_ERR_OR_NULL(test, kunit_comp);
+ kunit_comp->kunit = test;
+ kunit_comp->expect = 0; /* expect success */
+
+ kunit_comp->card.dev = test_dev,
+ kunit_comp->card.name = "kunit-card",
+ kunit_comp->card.owner = THIS_MODULE,
+ kunit_comp->card.dai_link = kunit_dai_links,
+ kunit_comp->card.num_links = ARRAY_SIZE(kunit_dai_links),
+ kunit_comp->card.fully_routed = true,
+
+ /* run test */
+ ret = snd_soc_register_card(&kunit_comp->card);
+ if (ret != 0 && ret != -EPROBE_DEFER)
+ KUNIT_FAIL(test, "Failed to register card");
+
+ ret = snd_soc_component_initialize(&kunit_comp->comp, &test_component, test_dev);
+ KUNIT_EXPECT_EQ(test, 0, ret);
+
+ ret = snd_soc_add_component(&kunit_comp->comp, NULL, 0);
+ KUNIT_EXPECT_EQ(test, 0, ret);
+
+ /* cleanup */
+ snd_soc_unregister_card(&kunit_comp->card);
+
+ snd_soc_unregister_component(test_dev);
+}
+
+// TEST CASE
+// Test passing NULL fw as parameter to snd_soc_tplg_component_load
+
+/*
+ * need to override generic probe function with one using NULL pointer to fw
+ * when calling topology load during component initialization, we don't need
+ * .remove handler as load should fail
+ */
+static int d_probe_null_fw(struct snd_soc_component *component)
+{
+ struct kunit_soc_component *kunit_comp =
+ container_of(component, struct kunit_soc_component, comp);
+ int ret;
+
+ /* instead of passing fw pointer as third argument, pass NULL here */
+ ret = snd_soc_tplg_component_load(component, NULL, NULL);
+ KUNIT_EXPECT_EQ_MSG(kunit_comp->kunit, kunit_comp->expect, ret,
+ "Failed topology load");
+
+ return 0;
+}
+
+static const struct snd_soc_component_driver test_component_null_fw = {
+ .name = "sound-soc-topology-test",
+ .probe = d_probe_null_fw,
+};
+
+static void snd_soc_tplg_test_load_with_null_fw(struct kunit *test)
+{
+ struct kunit_soc_component *kunit_comp;
+ int ret;
+
+ /* prepare */
+ kunit_comp = kunit_kzalloc(test, sizeof(*kunit_comp), GFP_KERNEL);
+ KUNIT_EXPECT_NOT_ERR_OR_NULL(test, kunit_comp);
+ kunit_comp->kunit = test;
+ kunit_comp->expect = -EINVAL; /* expect failure */
+
+ kunit_comp->card.dev = test_dev,
+ kunit_comp->card.name = "kunit-card",
+ kunit_comp->card.owner = THIS_MODULE,
+ kunit_comp->card.dai_link = kunit_dai_links,
+ kunit_comp->card.num_links = ARRAY_SIZE(kunit_dai_links),
+ kunit_comp->card.fully_routed = true,
+
+ /* run test */
+ ret = snd_soc_register_card(&kunit_comp->card);
+ if (ret != 0 && ret != -EPROBE_DEFER)
+ KUNIT_FAIL(test, "Failed to register card");
+
+ ret = snd_soc_component_initialize(&kunit_comp->comp, &test_component_null_fw, test_dev);
+ KUNIT_EXPECT_EQ(test, 0, ret);
+
+ ret = snd_soc_add_component(&kunit_comp->comp, NULL, 0);
+ KUNIT_EXPECT_EQ(test, 0, ret);
+
+ /* cleanup */
+ snd_soc_unregister_card(&kunit_comp->card);
+
+ snd_soc_unregister_component(test_dev);
+}
+
+// TEST CASE
+// Test passing "empty" topology file
+static void snd_soc_tplg_test_load_empty_tplg(struct kunit *test)
+{
+ struct kunit_soc_component *kunit_comp;
+ struct tplg_tmpl_001 *data;
+ int size;
+ int ret;
+
+ /* prepare */
+ kunit_comp = kunit_kzalloc(test, sizeof(*kunit_comp), GFP_KERNEL);
+ KUNIT_EXPECT_NOT_ERR_OR_NULL(test, kunit_comp);
+ kunit_comp->kunit = test;
+ kunit_comp->expect = 0; /* expect success */
+
+ size = sizeof(tplg_tmpl_empty);
+ data = kunit_kzalloc(kunit_comp->kunit, size, GFP_KERNEL);
+ KUNIT_EXPECT_NOT_ERR_OR_NULL(kunit_comp->kunit, data);
+
+ memcpy(data, &tplg_tmpl_empty, sizeof(tplg_tmpl_empty));
+
+ kunit_comp->fw.data = (u8 *)data;
+ kunit_comp->fw.size = size;
+
+ kunit_comp->card.dev = test_dev,
+ kunit_comp->card.name = "kunit-card",
+ kunit_comp->card.owner = THIS_MODULE,
+ kunit_comp->card.dai_link = kunit_dai_links,
+ kunit_comp->card.num_links = ARRAY_SIZE(kunit_dai_links),
+ kunit_comp->card.fully_routed = true,
+
+ /* run test */
+ ret = snd_soc_register_card(&kunit_comp->card);
+ if (ret != 0 && ret != -EPROBE_DEFER)
+ KUNIT_FAIL(test, "Failed to register card");
+
+ ret = snd_soc_component_initialize(&kunit_comp->comp, &test_component, test_dev);
+ KUNIT_EXPECT_EQ(test, 0, ret);
+
+ ret = snd_soc_add_component(&kunit_comp->comp, NULL, 0);
+ KUNIT_EXPECT_EQ(test, 0, ret);
+
+ /* cleanup */
+ snd_soc_unregister_card(&kunit_comp->card);
+
+ snd_soc_unregister_component(test_dev);
+}
+
+// TEST CASE
+// Test "empty" topology file, but with bad "magic"
+// In theory we could loop through all possible bad values, but it takes too
+// long, so just use SND_SOC_TPLG_MAGIC + 1
+static void snd_soc_tplg_test_load_empty_tplg_bad_magic(struct kunit *test)
+{
+ struct kunit_soc_component *kunit_comp;
+ struct tplg_tmpl_001 *data;
+ int size;
+ int ret;
+
+ /* prepare */
+ kunit_comp = kunit_kzalloc(test, sizeof(*kunit_comp), GFP_KERNEL);
+ KUNIT_EXPECT_NOT_ERR_OR_NULL(test, kunit_comp);
+ kunit_comp->kunit = test;
+ kunit_comp->expect = -EINVAL; /* expect failure */
+
+ size = sizeof(tplg_tmpl_empty);
+ data = kunit_kzalloc(kunit_comp->kunit, size, GFP_KERNEL);
+ KUNIT_EXPECT_NOT_ERR_OR_NULL(kunit_comp->kunit, data);
+
+ memcpy(data, &tplg_tmpl_empty, sizeof(tplg_tmpl_empty));
+ /*
+ * override abi
+ * any value != magic number is wrong
+ */
+ data->header.magic = cpu_to_le32(SND_SOC_TPLG_MAGIC + 1);
+
+ kunit_comp->fw.data = (u8 *)data;
+ kunit_comp->fw.size = size;
+
+ kunit_comp->card.dev = test_dev,
+ kunit_comp->card.name = "kunit-card",
+ kunit_comp->card.owner = THIS_MODULE,
+ kunit_comp->card.dai_link = kunit_dai_links,
+ kunit_comp->card.num_links = ARRAY_SIZE(kunit_dai_links),
+ kunit_comp->card.fully_routed = true,
+
+ /* run test */
+ ret = snd_soc_register_card(&kunit_comp->card);
+ if (ret != 0 && ret != -EPROBE_DEFER)
+ KUNIT_FAIL(test, "Failed to register card");
+
+ ret = snd_soc_component_initialize(&kunit_comp->comp, &test_component, test_dev);
+ KUNIT_EXPECT_EQ(test, 0, ret);
+
+ ret = snd_soc_add_component(&kunit_comp->comp, NULL, 0);
+ KUNIT_EXPECT_EQ(test, 0, ret);
+
+ /* cleanup */
+ snd_soc_unregister_card(&kunit_comp->card);
+
+ snd_soc_unregister_component(test_dev);
+}
+
+// TEST CASE
+// Test "empty" topology file, but with bad "abi"
+// In theory we could loop through all possible bad values, but it takes too
+// long, so just use SND_SOC_TPLG_ABI_VERSION + 1
+static void snd_soc_tplg_test_load_empty_tplg_bad_abi(struct kunit *test)
+{
+ struct kunit_soc_component *kunit_comp;
+ struct tplg_tmpl_001 *data;
+ int size;
+ int ret;
+
+ /* prepare */
+ kunit_comp = kunit_kzalloc(test, sizeof(*kunit_comp), GFP_KERNEL);
+ KUNIT_EXPECT_NOT_ERR_OR_NULL(test, kunit_comp);
+ kunit_comp->kunit = test;
+ kunit_comp->expect = -EINVAL; /* expect failure */
+
+ size = sizeof(tplg_tmpl_empty);
+ data = kunit_kzalloc(kunit_comp->kunit, size, GFP_KERNEL);
+ KUNIT_EXPECT_NOT_ERR_OR_NULL(kunit_comp->kunit, data);
+
+ memcpy(data, &tplg_tmpl_empty, sizeof(tplg_tmpl_empty));
+ /*
+ * override abi
+ * any value != accepted range is wrong
+ */
+ data->header.abi = cpu_to_le32(SND_SOC_TPLG_ABI_VERSION + 1);
+
+ kunit_comp->fw.data = (u8 *)data;
+ kunit_comp->fw.size = size;
+
+ kunit_comp->card.dev = test_dev,
+ kunit_comp->card.name = "kunit-card",
+ kunit_comp->card.owner = THIS_MODULE,
+ kunit_comp->card.dai_link = kunit_dai_links,
+ kunit_comp->card.num_links = ARRAY_SIZE(kunit_dai_links),
+ kunit_comp->card.fully_routed = true,
+
+ /* run test */
+ ret = snd_soc_register_card(&kunit_comp->card);
+ if (ret != 0 && ret != -EPROBE_DEFER)
+ KUNIT_FAIL(test, "Failed to register card");
+
+ ret = snd_soc_component_initialize(&kunit_comp->comp, &test_component, test_dev);
+ KUNIT_EXPECT_EQ(test, 0, ret);
+
+ ret = snd_soc_add_component(&kunit_comp->comp, NULL, 0);
+ KUNIT_EXPECT_EQ(test, 0, ret);
+
+ /* cleanup */
+ snd_soc_unregister_card(&kunit_comp->card);
+
+ snd_soc_unregister_component(test_dev);
+}
+
+// TEST CASE
+// Test "empty" topology file, but with bad "size"
+// In theory we could loop through all possible bad values, but it takes too
+// long, so just use sizeof(struct snd_soc_tplg_hdr) + 1
+static void snd_soc_tplg_test_load_empty_tplg_bad_size(struct kunit *test)
+{
+ struct kunit_soc_component *kunit_comp;
+ struct tplg_tmpl_001 *data;
+ int size;
+ int ret;
+
+ /* prepare */
+ kunit_comp = kunit_kzalloc(test, sizeof(*kunit_comp), GFP_KERNEL);
+ KUNIT_EXPECT_NOT_ERR_OR_NULL(test, kunit_comp);
+ kunit_comp->kunit = test;
+ kunit_comp->expect = -EINVAL; /* expect failure */
+
+ size = sizeof(tplg_tmpl_empty);
+ data = kunit_kzalloc(kunit_comp->kunit, size, GFP_KERNEL);
+ KUNIT_EXPECT_NOT_ERR_OR_NULL(kunit_comp->kunit, data);
+
+ memcpy(data, &tplg_tmpl_empty, sizeof(tplg_tmpl_empty));
+ /*
+ * override size
+ * any value != struct size is wrong
+ */
+ data->header.size = cpu_to_le32(sizeof(struct snd_soc_tplg_hdr) + 1);
+
+ kunit_comp->fw.data = (u8 *)data;
+ kunit_comp->fw.size = size;
+
+ kunit_comp->card.dev = test_dev,
+ kunit_comp->card.name = "kunit-card",
+ kunit_comp->card.owner = THIS_MODULE,
+ kunit_comp->card.dai_link = kunit_dai_links,
+ kunit_comp->card.num_links = ARRAY_SIZE(kunit_dai_links),
+ kunit_comp->card.fully_routed = true,
+
+ /* run test */
+ ret = snd_soc_register_card(&kunit_comp->card);
+ if (ret != 0 && ret != -EPROBE_DEFER)
+ KUNIT_FAIL(test, "Failed to register card");
+
+ ret = snd_soc_component_initialize(&kunit_comp->comp, &test_component, test_dev);
+ KUNIT_EXPECT_EQ(test, 0, ret);
+
+ ret = snd_soc_add_component(&kunit_comp->comp, NULL, 0);
+ KUNIT_EXPECT_EQ(test, 0, ret);
+
+ /* cleanup */
+ snd_soc_unregister_card(&kunit_comp->card);
+
+ snd_soc_unregister_component(test_dev);
+}
+
+// TEST CASE
+// Test "empty" topology file, but with bad "payload_size"
+// In theory we could loop through all possible bad values, but it takes too
+// long, so just use the known wrong one
+static void snd_soc_tplg_test_load_empty_tplg_bad_payload_size(struct kunit *test)
+{
+ struct kunit_soc_component *kunit_comp;
+ struct tplg_tmpl_001 *data;
+ int size;
+ int ret;
+
+ /* prepare */
+ kunit_comp = kunit_kzalloc(test, sizeof(*kunit_comp), GFP_KERNEL);
+ KUNIT_EXPECT_NOT_ERR_OR_NULL(test, kunit_comp);
+ kunit_comp->kunit = test;
+ kunit_comp->expect = -EINVAL; /* expect failure */
+
+ size = sizeof(tplg_tmpl_empty);
+ data = kunit_kzalloc(kunit_comp->kunit, size, GFP_KERNEL);
+ KUNIT_EXPECT_NOT_ERR_OR_NULL(kunit_comp->kunit, data);
+
+ memcpy(data, &tplg_tmpl_empty, sizeof(tplg_tmpl_empty));
+ /*
+ * override payload size
+ * there is only explicit check for 0, so check with it, other values
+ * are handled by just not reading behind EOF
+ */
+ data->header.payload_size = 0;
+
+ kunit_comp->fw.data = (u8 *)data;
+ kunit_comp->fw.size = size;
+
+ kunit_comp->card.dev = test_dev,
+ kunit_comp->card.name = "kunit-card",
+ kunit_comp->card.owner = THIS_MODULE,
+ kunit_comp->card.dai_link = kunit_dai_links,
+ kunit_comp->card.num_links = ARRAY_SIZE(kunit_dai_links),
+ kunit_comp->card.fully_routed = true,
+
+ /* run test */
+ ret = snd_soc_register_card(&kunit_comp->card);
+ if (ret != 0 && ret != -EPROBE_DEFER)
+ KUNIT_FAIL(test, "Failed to register card");
+
+ ret = snd_soc_component_initialize(&kunit_comp->comp, &test_component, test_dev);
+ KUNIT_EXPECT_EQ(test, 0, ret);
+
+ ret = snd_soc_add_component(&kunit_comp->comp, NULL, 0);
+ KUNIT_EXPECT_EQ(test, 0, ret);
+
+ /* cleanup */
+ snd_soc_unregister_component(test_dev);
+
+ snd_soc_unregister_card(&kunit_comp->card);
+}
+
+// TEST CASE
+// Test passing topology file with PCM definition
+static void snd_soc_tplg_test_load_pcm_tplg(struct kunit *test)
+{
+ struct kunit_soc_component *kunit_comp;
+ u8 *data;
+ int size;
+ int ret;
+
+ /* prepare */
+ kunit_comp = kunit_kzalloc(test, sizeof(*kunit_comp), GFP_KERNEL);
+ KUNIT_EXPECT_NOT_ERR_OR_NULL(test, kunit_comp);
+ kunit_comp->kunit = test;
+ kunit_comp->expect = 0; /* expect success */
+
+ size = sizeof(tplg_tmpl_with_pcm);
+ data = kunit_kzalloc(kunit_comp->kunit, size, GFP_KERNEL);
+ KUNIT_EXPECT_NOT_ERR_OR_NULL(kunit_comp->kunit, data);
+
+ memcpy(data, &tplg_tmpl_with_pcm, sizeof(tplg_tmpl_with_pcm));
+
+ kunit_comp->fw.data = data;
+ kunit_comp->fw.size = size;
+
+ kunit_comp->card.dev = test_dev,
+ kunit_comp->card.name = "kunit-card",
+ kunit_comp->card.owner = THIS_MODULE,
+ kunit_comp->card.dai_link = kunit_dai_links,
+ kunit_comp->card.num_links = ARRAY_SIZE(kunit_dai_links),
+ kunit_comp->card.fully_routed = true,
+
+ /* run test */
+ ret = snd_soc_register_card(&kunit_comp->card);
+ if (ret != 0 && ret != -EPROBE_DEFER)
+ KUNIT_FAIL(test, "Failed to register card");
+
+ ret = snd_soc_component_initialize(&kunit_comp->comp, &test_component, test_dev);
+ KUNIT_EXPECT_EQ(test, 0, ret);
+
+ ret = snd_soc_add_component(&kunit_comp->comp, NULL, 0);
+ KUNIT_EXPECT_EQ(test, 0, ret);
+
+ snd_soc_unregister_component(test_dev);
+
+ /* cleanup */
+ snd_soc_unregister_card(&kunit_comp->card);
+}
+
+// TEST CASE
+// Test passing topology file with PCM definition
+// with component reload
+static void snd_soc_tplg_test_load_pcm_tplg_reload_comp(struct kunit *test)
+{
+ struct kunit_soc_component *kunit_comp;
+ u8 *data;
+ int size;
+ int ret;
+ int i;
+
+ /* prepare */
+ kunit_comp = kunit_kzalloc(test, sizeof(*kunit_comp), GFP_KERNEL);
+ KUNIT_EXPECT_NOT_ERR_OR_NULL(test, kunit_comp);
+ kunit_comp->kunit = test;
+ kunit_comp->expect = 0; /* expect success */
+
+ size = sizeof(tplg_tmpl_with_pcm);
+ data = kunit_kzalloc(kunit_comp->kunit, size, GFP_KERNEL);
+ KUNIT_EXPECT_NOT_ERR_OR_NULL(kunit_comp->kunit, data);
+
+ memcpy(data, &tplg_tmpl_with_pcm, sizeof(tplg_tmpl_with_pcm));
+
+ kunit_comp->fw.data = data;
+ kunit_comp->fw.size = size;
+
+ kunit_comp->card.dev = test_dev,
+ kunit_comp->card.name = "kunit-card",
+ kunit_comp->card.owner = THIS_MODULE,
+ kunit_comp->card.dai_link = kunit_dai_links,
+ kunit_comp->card.num_links = ARRAY_SIZE(kunit_dai_links),
+ kunit_comp->card.fully_routed = true,
+
+ /* run test */
+ ret = snd_soc_register_card(&kunit_comp->card);
+ if (ret != 0 && ret != -EPROBE_DEFER)
+ KUNIT_FAIL(test, "Failed to register card");
+
+ for (i = 0; i < 100; i++) {
+ ret = snd_soc_component_initialize(&kunit_comp->comp, &test_component, test_dev);
+ KUNIT_EXPECT_EQ(test, 0, ret);
+
+ ret = snd_soc_add_component(&kunit_comp->comp, NULL, 0);
+ KUNIT_EXPECT_EQ(test, 0, ret);
+
+ snd_soc_unregister_component(test_dev);
+ }
+
+ /* cleanup */
+ snd_soc_unregister_card(&kunit_comp->card);
+}
+
+// TEST CASE
+// Test passing topology file with PCM definition
+// with card reload
+static void snd_soc_tplg_test_load_pcm_tplg_reload_card(struct kunit *test)
+{
+ struct kunit_soc_component *kunit_comp;
+ u8 *data;
+ int size;
+ int ret;
+ int i;
+
+ /* prepare */
+ kunit_comp = kunit_kzalloc(test, sizeof(*kunit_comp), GFP_KERNEL);
+ KUNIT_EXPECT_NOT_ERR_OR_NULL(test, kunit_comp);
+ kunit_comp->kunit = test;
+ kunit_comp->expect = 0; /* expect success */
+
+ size = sizeof(tplg_tmpl_with_pcm);
+ data = kunit_kzalloc(kunit_comp->kunit, size, GFP_KERNEL);
+ KUNIT_EXPECT_NOT_ERR_OR_NULL(kunit_comp->kunit, data);
+
+ memcpy(data, &tplg_tmpl_with_pcm, sizeof(tplg_tmpl_with_pcm));
+
+ kunit_comp->fw.data = data;
+ kunit_comp->fw.size = size;
+
+ kunit_comp->card.dev = test_dev,
+ kunit_comp->card.name = "kunit-card",
+ kunit_comp->card.owner = THIS_MODULE,
+ kunit_comp->card.dai_link = kunit_dai_links,
+ kunit_comp->card.num_links = ARRAY_SIZE(kunit_dai_links),
+ kunit_comp->card.fully_routed = true,
+
+ /* run test */
+ ret = snd_soc_component_initialize(&kunit_comp->comp, &test_component, test_dev);
+ KUNIT_EXPECT_EQ(test, 0, ret);
+
+ ret = snd_soc_add_component(&kunit_comp->comp, NULL, 0);
+ KUNIT_EXPECT_EQ(test, 0, ret);
+
+ for (i = 0; i < 100; i++) {
+ ret = snd_soc_register_card(&kunit_comp->card);
+ if (ret != 0 && ret != -EPROBE_DEFER)
+ KUNIT_FAIL(test, "Failed to register card");
+
+ snd_soc_unregister_card(&kunit_comp->card);
+ }
+
+ /* cleanup */
+ snd_soc_unregister_component(test_dev);
+}
+
+/* ===== KUNIT MODULE DEFINITIONS =========================================== */
+
+static struct kunit_case snd_soc_tplg_test_cases[] = {
+ KUNIT_CASE(snd_soc_tplg_test_load_with_null_comp),
+ KUNIT_CASE(snd_soc_tplg_test_load_with_null_ops),
+ KUNIT_CASE(snd_soc_tplg_test_load_with_null_fw),
+ KUNIT_CASE(snd_soc_tplg_test_load_empty_tplg),
+ KUNIT_CASE(snd_soc_tplg_test_load_empty_tplg_bad_magic),
+ KUNIT_CASE(snd_soc_tplg_test_load_empty_tplg_bad_abi),
+ KUNIT_CASE(snd_soc_tplg_test_load_empty_tplg_bad_size),
+ KUNIT_CASE(snd_soc_tplg_test_load_empty_tplg_bad_payload_size),
+ KUNIT_CASE(snd_soc_tplg_test_load_pcm_tplg),
+ KUNIT_CASE(snd_soc_tplg_test_load_pcm_tplg_reload_comp),
+ KUNIT_CASE(snd_soc_tplg_test_load_pcm_tplg_reload_card),
+ {}
+};
+
+static struct kunit_suite snd_soc_tplg_test_suite = {
+ .name = "snd_soc_tplg_test",
+ .init = snd_soc_tplg_test_init,
+ .exit = snd_soc_tplg_test_exit,
+ .test_cases = snd_soc_tplg_test_cases,
+};
+
+kunit_test_suites(&snd_soc_tplg_test_suite);
+
+MODULE_LICENSE("GPL");
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