Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Takashi Sakamoto | 1322 | 100.00% | 6 | 100.00% |
Total | 1322 | 6 |
// SPDX-License-Identifier: GPL-2.0-only // // device-attribute-test.c - An application of Kunit to test implementation for device attributes. // // Copyright (c) 2023 Takashi Sakamoto // // This file can not be built independently since it is intentionally included in core-device.c. #include <kunit/test.h> // Configuration ROM for AV/C Devices 1.0 (Dec. 12, 2000, 1394 Trading Association) // Annex C:Configuration ROM example(informative) // C.1 Simple AV/C device // // Copied from the documentation. static const u32 simple_avc_config_rom[] = { 0x0404eabf, 0x31333934, 0xe0646102, 0xffffffff, 0xffffffff, 0x00063287, // root directory. 0x03ffffff, 0x8100000a, 0x17ffffff, 0x8100000e, 0x0c0083c0, 0xd1000001, 0x0004442d, // unit 0 directory. 0x1200a02d, 0x13010001, 0x17ffffff, 0x81000007, 0x0005c915, // leaf for textual descriptor. 0x00000000, 0x00000000, 0x56656e64, 0x6f72204e, 0x616d6500, 0x00057f16, // leaf for textual descriptor. 0x00000000, 0x00000000, 0x4d6f6465, 0x6c204e61, 0x6d650000, }; // Ibid. // Annex A:Consideration for configuration ROM reader design (informative) // A.1 Vendor directory // // Written by hand. static const u32 legacy_avc_config_rom[] = { 0x04199fe7, 0x31333934, 0xe0644000, 0x00112233, 0x44556677, 0x0005dace, // root directory. 0x03012345, 0x0c0083c0, 0x8d000009, 0xd1000002, 0xc3000004, 0x0002e107, // unit 0 directory. 0x12abcdef, 0x13543210, 0x0002cb73, // vendor directory. 0x17fedcba, 0x81000004, 0x00026dc1, // leaf for EUI-64. 0x00112233, 0x44556677, 0x00050e84, // leaf for textual descriptor. 0x00000000, 0x00000000, 0x41424344, 0x45464748, 0x494a0000, }; static void device_attr_simple_avc(struct kunit *test) { static const struct fw_device node = { .device = { .type = &fw_device_type, }, .config_rom = simple_avc_config_rom, .config_rom_length = sizeof(simple_avc_config_rom), }; static const struct fw_unit unit0 = { .device = { .type = &fw_unit_type, .parent = (struct device *)&node.device, }, .directory = &simple_avc_config_rom[12], }; struct device *node_dev = (struct device *)&node.device; struct device *unit0_dev = (struct device *)&unit0.device; static const int unit0_expected_ids[] = {0x00ffffff, 0x00ffffff, 0x0000a02d, 0x00010001}; char *buf = kunit_kzalloc(test, PAGE_SIZE, GFP_KERNEL); int ids[4] = {0, 0, 0, 0}; // Ensure associations for node and unit devices. KUNIT_ASSERT_TRUE(test, is_fw_device(node_dev)); KUNIT_ASSERT_FALSE(test, is_fw_unit(node_dev)); KUNIT_ASSERT_PTR_EQ(test, fw_device(node_dev), &node); KUNIT_ASSERT_FALSE(test, is_fw_device(unit0_dev)); KUNIT_ASSERT_TRUE(test, is_fw_unit(unit0_dev)); KUNIT_ASSERT_PTR_EQ(test, fw_parent_device((&unit0)), &node); KUNIT_ASSERT_PTR_EQ(test, fw_unit(unit0_dev), &unit0); // For entries in root directory. // Vendor immediate entry is found. KUNIT_EXPECT_GT(test, show_immediate(node_dev, &config_rom_attributes[0].attr, buf), 0); KUNIT_EXPECT_STREQ(test, buf, "0xffffff\n"); // Model immediate entry is found. KUNIT_EXPECT_GT(test, show_immediate(node_dev, &config_rom_attributes[4].attr, buf), 0); KUNIT_EXPECT_STREQ(test, buf, "0xffffff\n"); // Descriptor leaf entry for vendor is found. KUNIT_EXPECT_GT(test, show_text_leaf(node_dev, &config_rom_attributes[5].attr, buf), 0); KUNIT_EXPECT_STREQ(test, buf, "Vendor Name\n"); // Descriptor leaf entry for model is found. KUNIT_EXPECT_GT(test, show_text_leaf(node_dev, &config_rom_attributes[6].attr, buf), 0); KUNIT_EXPECT_STREQ(test, buf, "Model Name\n"); // For entries in unit 0 directory. // Vendor immediate entry is not found. KUNIT_EXPECT_LT(test, show_immediate(unit0_dev, &config_rom_attributes[0].attr, buf), 0); // Model immediate entry is found. KUNIT_EXPECT_GT(test, show_immediate(unit0_dev, &config_rom_attributes[4].attr, buf), 0); KUNIT_EXPECT_STREQ(test, buf, "0xffffff\n"); // Descriptor leaf entry for vendor is not found. KUNIT_EXPECT_LT(test, show_text_leaf(unit0_dev, &config_rom_attributes[5].attr, buf), 0); // Descriptor leaf entry for model is found. KUNIT_EXPECT_GT(test, show_text_leaf(unit0_dev, &config_rom_attributes[6].attr, buf), 0); KUNIT_EXPECT_STREQ(test, buf, "Model Name\n"); // Specifier_ID immediate entry is found. KUNIT_EXPECT_GT(test, show_immediate(unit0_dev, &config_rom_attributes[2].attr, buf), 0); KUNIT_EXPECT_STREQ(test, buf, "0x00a02d\n"); // Version immediate entry is found. KUNIT_EXPECT_GT(test, show_immediate(unit0_dev, &config_rom_attributes[3].attr, buf), 0); KUNIT_EXPECT_STREQ(test, buf, "0x010001\n"); kunit_kfree(test, buf); get_modalias_ids(&unit0, ids); KUNIT_EXPECT_MEMEQ(test, ids, unit0_expected_ids, sizeof(ids)); } static void device_attr_legacy_avc(struct kunit *test) { static const struct fw_device node = { .device = { .type = &fw_device_type, }, .config_rom = legacy_avc_config_rom, .config_rom_length = sizeof(legacy_avc_config_rom), }; static const struct fw_unit unit0 = { .device = { .type = &fw_unit_type, .parent = (struct device *)&node.device, }, .directory = &legacy_avc_config_rom[11], }; struct device *node_dev = (struct device *)&node.device; struct device *unit0_dev = (struct device *)&unit0.device; static const int unit0_expected_ids[] = {0x00012345, 0x00fedcba, 0x00abcdef, 0x00543210}; char *buf = kunit_kzalloc(test, PAGE_SIZE, GFP_KERNEL); int ids[4] = {0, 0, 0, 0}; // Ensure associations for node and unit devices. KUNIT_ASSERT_TRUE(test, is_fw_device(node_dev)); KUNIT_ASSERT_FALSE(test, is_fw_unit(node_dev)); KUNIT_ASSERT_PTR_EQ(test, fw_device((node_dev)), &node); KUNIT_ASSERT_FALSE(test, is_fw_device(unit0_dev)); KUNIT_ASSERT_TRUE(test, is_fw_unit(unit0_dev)); KUNIT_ASSERT_PTR_EQ(test, fw_parent_device((&unit0)), &node); KUNIT_ASSERT_PTR_EQ(test, fw_unit(unit0_dev), &unit0); // For entries in root directory. // Vendor immediate entry is found. KUNIT_EXPECT_GT(test, show_immediate(node_dev, &config_rom_attributes[0].attr, buf), 0); KUNIT_EXPECT_STREQ(test, buf, "0x012345\n"); // Model immediate entry is found. KUNIT_EXPECT_GT(test, show_immediate(node_dev, &config_rom_attributes[4].attr, buf), 0); KUNIT_EXPECT_STREQ(test, buf, "0xfedcba\n"); // Descriptor leaf entry for vendor is not found. KUNIT_EXPECT_LT(test, show_text_leaf(node_dev, &config_rom_attributes[5].attr, buf), 0); // Descriptor leaf entry for model is found. KUNIT_EXPECT_GT(test, show_text_leaf(node_dev, &config_rom_attributes[6].attr, buf), 0); KUNIT_EXPECT_STREQ(test, buf, "ABCDEFGHIJ\n"); // For entries in unit 0 directory. // Vendor immediate entry is not found. KUNIT_EXPECT_LT(test, show_immediate(unit0_dev, &config_rom_attributes[0].attr, buf), 0); // Model immediate entry is not found. KUNIT_EXPECT_LT(test, show_immediate(unit0_dev, &config_rom_attributes[4].attr, buf), 0); // Descriptor leaf entry for vendor is not found. KUNIT_EXPECT_LT(test, show_text_leaf(unit0_dev, &config_rom_attributes[5].attr, buf), 0); // Descriptor leaf entry for model is not found. KUNIT_EXPECT_LT(test, show_text_leaf(unit0_dev, &config_rom_attributes[6].attr, buf), 0); // Specifier_ID immediate entry is found. KUNIT_EXPECT_GT(test, show_immediate(unit0_dev, &config_rom_attributes[2].attr, buf), 0); KUNIT_EXPECT_STREQ(test, buf, "0xabcdef\n"); // Version immediate entry is found. KUNIT_EXPECT_GT(test, show_immediate(unit0_dev, &config_rom_attributes[3].attr, buf), 0); KUNIT_EXPECT_STREQ(test, buf, "0x543210\n"); kunit_kfree(test, buf); get_modalias_ids(&unit0, ids); KUNIT_EXPECT_MEMEQ(test, ids, unit0_expected_ids, sizeof(ids)); } static struct kunit_case device_attr_test_cases[] = { KUNIT_CASE(device_attr_simple_avc), KUNIT_CASE(device_attr_legacy_avc), {} }; static struct kunit_suite device_attr_test_suite = { .name = "firewire-device-attribute", .test_cases = device_attr_test_cases, }; kunit_test_suite(device_attr_test_suite);
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