// SPDX-License-Identifier: GPL-2.0-or-later // // ohci-serdes-test.c - An application of Kunit to check serialization/deserialization of data in // buffers and registers defined in 1394 OHCI specification. // // Copyright (c) 2024 Takashi Sakamoto #include <kunit/test.h> #include "ohci.h" static void test_self_id_count_register_deserialization(struct kunit *test) { const u32 expected = 0x803d0594; bool is_error = ohci1394_self_id_count_is_error(expected); u8 generation = ohci1394_self_id_count_get_generation(expected); u32 size = ohci1394_self_id_count_get_size(expected); KUNIT_EXPECT_TRUE(test, is_error); KUNIT_EXPECT_EQ(test, 0x3d, generation); KUNIT_EXPECT_EQ(test, 0x165, size); } static void test_self_id_receive_buffer_deserialization(struct kunit *test) { const u32 buffer[] = { 0x0006f38b, 0x807fcc56, 0x7f8033a9, 0x8145cc5e, 0x7eba33a1, }; u8 generation = ohci1394_self_id_receive_q0_get_generation(buffer[0]); u16 timestamp = ohci1394_self_id_receive_q0_get_timestamp(buffer[0]); KUNIT_EXPECT_EQ(test, 0x6, generation); KUNIT_EXPECT_EQ(test, 0xf38b, timestamp); } static struct kunit_case ohci_serdes_test_cases[] = { KUNIT_CASE(test_self_id_count_register_deserialization), KUNIT_CASE(test_self_id_receive_buffer_deserialization), {} }; static struct kunit_suite ohci_serdes_test_suite = { .name = "firewire-ohci-serdes", .test_cases = ohci_serdes_test_cases, }; kunit_test_suite(ohci_serdes_test_suite); MODULE_DESCRIPTION("FireWire buffers and registers serialization/deserialization unit test suite"); MODULE_LICENSE("GPL");