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firewire: core: add test to generate with both AV/C and IIDC units in config ROM generator

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Add a KUnit test to verify that the generator produces the expected
configuration ROM when both AV/C and IIDC units are registered.

Link: https://lore.kernel.org/r/20260901134534.2386577-11-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
This commit is contained in:
Takashi Sakamoto 2026-09-01 22:45:31 +09:00
parent 49e4d0eea6
commit 56db07175f
1 changed files with 70 additions and 4 deletions
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74
drivers/firewire/config-rom-generator-test.c
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@ -162,6 +162,62 @@ static const u32 config_rom_with_iidc_unit[] = {
cpu_to_be32(0x20436174), // v
};
static const u32 config_rom_with_avc_and_iidc_units[] = {
cpu_to_be32(0x040439c0), // bus info
cpu_to_be32(0x31333934), // |
cpu_to_be32(0xf000b253), // |
cpu_to_be32(0x01234567), // |
cpu_to_be32(0x89abcdef), // v
cpu_to_be32(0x0007073e), // root directory
cpu_to_be32(0x0c0083c0), // |
cpu_to_be32(0x03001f11), // |
cpu_to_be32(0x81000005), // |
cpu_to_be32(0x17023901), // |
cpu_to_be32(0x8100000a), // |
cpu_to_be32(0xd100000d), // |
cpu_to_be32(0xd1000015), // v
cpu_to_be32(0x00064cb7), // text descriptor leaf (from root)
cpu_to_be32(0x00000000), // |
cpu_to_be32(0x00000000), // |
cpu_to_be32(0x4c696e75), // |
cpu_to_be32(0x78204669), // |
cpu_to_be32(0x72657769), // |
cpu_to_be32(0x72650000), // v
cpu_to_be32(0x0003ff1c), // text descriptor leaf (from root)
cpu_to_be32(0x00000000), // |
cpu_to_be32(0x00000000), // |
cpu_to_be32(0x4a756a75), // v
cpu_to_be32(0x0004227b), // unit directory (from root)
cpu_to_be32(0x1200a02d), // |
cpu_to_be32(0x13010001), // |
cpu_to_be32(0x17260827), // |
cpu_to_be32(0x81000001), // v
cpu_to_be32(0x0003f771), // text descriptor leaf (from unit)
cpu_to_be32(0x00000000), // |
cpu_to_be32(0x00000000), // |
cpu_to_be32(0x50756900), // v
cpu_to_be32(0x0003d7fe), // unit directory (from root)
cpu_to_be32(0x1200a02d), // |
cpu_to_be32(0x13000100), // |
cpu_to_be32(0xd4000001), // v
cpu_to_be32(0x0003ea57), // dependent directory (from unit directory)
cpu_to_be32(0x40012345), // |
cpu_to_be32(0x81000002), // |
cpu_to_be32(0x82000008), // v
cpu_to_be32(0x00064cb7), // text descriptor leaf (from dependent directory)
cpu_to_be32(0x00000000), // |
cpu_to_be32(0x00000000), // |
cpu_to_be32(0x4c696e75), // |
cpu_to_be32(0x78204669), // |
cpu_to_be32(0x72657769), // |
cpu_to_be32(0x72650000), // v
cpu_to_be32(0x0004a3e9), // text descriptor leaf (from dependent directory)
cpu_to_be32(0x00000000), // |
cpu_to_be32(0x00000000), // |
cpu_to_be32(0x43686566), // |
cpu_to_be32(0x20436174), // v
};
static const struct generator_test_case {
const char *const name;
int config_rom_generation;
@ -186,6 +242,12 @@ static const struct generator_test_case {
.expected = config_rom_with_iidc_unit,
.quadlet_length = ARRAY_SIZE(config_rom_with_iidc_unit),
},
{
.name = "with_avc_and_iidc_unit",
.config_rom_generation = 3,
.expected = config_rom_with_avc_and_iidc_units,
.quadlet_length = ARRAY_SIZE(config_rom_with_avc_and_iidc_units),
},
};
// Define generator_test_gen_params.
@ -219,10 +281,12 @@ static void test_config_rom_generator(struct kunit *test)
card->max_receive = 11;
card->guid = 0x0123456789abcdefULL;
if (test_case->expected == config_rom_with_avc_unit)
if (test_case->expected == config_rom_with_avc_unit ||
test_case->expected == config_rom_with_avc_and_iidc_units)
KUNIT_EXPECT_EQ(test, fw_core_add_descriptor(&avc_unit_entry), 0);
if (test_case->expected == config_rom_with_iidc_unit)
if (test_case->expected == config_rom_with_iidc_unit ||
test_case->expected == config_rom_with_avc_and_iidc_units)
KUNIT_EXPECT_EQ(test, fw_core_add_descriptor(&iidc_unit_entry), 0);
scoped_guard(mutex, &card_mutex) {
@ -233,10 +297,12 @@ static void test_config_rom_generator(struct kunit *test)
KUNIT_EXPECT_MEMEQ(test, config_rom, test_case->expected,
sizeof(*test_case->expected) * test_case->quadlet_length);
if (test_case->expected == config_rom_with_iidc_unit)
if (test_case->expected == config_rom_with_iidc_unit ||
test_case->expected == config_rom_with_avc_and_iidc_units)
fw_core_remove_descriptor(&iidc_unit_entry);
if (test_case->expected == config_rom_with_avc_unit)
if (test_case->expected == config_rom_with_avc_unit ||
test_case->expected == config_rom_with_avc_and_iidc_units)
fw_core_remove_descriptor(&avc_unit_entry);
}