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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091// SPDX-License-Identifier: GPL-2.0-only//// uapi_test.c - An application of Kunit to check layout of structures exposed to user space for// FireWire subsystem.//// Copyright (c) 2023 Takashi Sakamoto
#include <kunit/test.h>#include <linux/firewire-cdev.h>
// Known issue added at v2.6.27 kernel.static void structure_layout_event_response(struct kunit *test){#if defined(CONFIG_X86_32) // 4 bytes alignment for aggregate type including 8 bytes storage types. KUNIT_EXPECT_EQ(test, 20, sizeof(struct fw_cdev_event_response));#else // 8 bytes alignment for aggregate type including 8 bytes storage types. KUNIT_EXPECT_EQ(test, 24, sizeof(struct fw_cdev_event_response));#endif
KUNIT_EXPECT_EQ(test, 0, offsetof(struct fw_cdev_event_response, closure)); KUNIT_EXPECT_EQ(test, 8, offsetof(struct fw_cdev_event_response, type)); KUNIT_EXPECT_EQ(test, 12, offsetof(struct fw_cdev_event_response, rcode)); KUNIT_EXPECT_EQ(test, 16, offsetof(struct fw_cdev_event_response, length)); KUNIT_EXPECT_EQ(test, 20, offsetof(struct fw_cdev_event_response, data));}
// Added at v6.5.static void structure_layout_event_request3(struct kunit *test){ KUNIT_EXPECT_EQ(test, 56, sizeof(struct fw_cdev_event_request3));
KUNIT_EXPECT_EQ(test, 0, offsetof(struct fw_cdev_event_request3, closure)); KUNIT_EXPECT_EQ(test, 8, offsetof(struct fw_cdev_event_request3, type)); KUNIT_EXPECT_EQ(test, 12, offsetof(struct fw_cdev_event_request3, tcode)); KUNIT_EXPECT_EQ(test, 16, offsetof(struct fw_cdev_event_request3, offset)); KUNIT_EXPECT_EQ(test, 24, offsetof(struct fw_cdev_event_request3, source_node_id)); KUNIT_EXPECT_EQ(test, 28, offsetof(struct fw_cdev_event_request3, destination_node_id)); KUNIT_EXPECT_EQ(test, 32, offsetof(struct fw_cdev_event_request3, card)); KUNIT_EXPECT_EQ(test, 36, offsetof(struct fw_cdev_event_request3, generation)); KUNIT_EXPECT_EQ(test, 40, offsetof(struct fw_cdev_event_request3, handle)); KUNIT_EXPECT_EQ(test, 44, offsetof(struct fw_cdev_event_request3, length)); KUNIT_EXPECT_EQ(test, 48, offsetof(struct fw_cdev_event_request3, tstamp)); KUNIT_EXPECT_EQ(test, 56, offsetof(struct fw_cdev_event_request3, data));}
// Added at v6.5.static void structure_layout_event_response2(struct kunit *test){ KUNIT_EXPECT_EQ(test, 32, sizeof(struct fw_cdev_event_response2));
KUNIT_EXPECT_EQ(test, 0, offsetof(struct fw_cdev_event_response2, closure)); KUNIT_EXPECT_EQ(test, 8, offsetof(struct fw_cdev_event_response2, type)); KUNIT_EXPECT_EQ(test, 12, offsetof(struct fw_cdev_event_response2, rcode)); KUNIT_EXPECT_EQ(test, 16, offsetof(struct fw_cdev_event_response2, length)); KUNIT_EXPECT_EQ(test, 20, offsetof(struct fw_cdev_event_response2, request_tstamp)); KUNIT_EXPECT_EQ(test, 24, offsetof(struct fw_cdev_event_response2, response_tstamp)); KUNIT_EXPECT_EQ(test, 32, offsetof(struct fw_cdev_event_response2, data));}
// Added at v6.5.static void structure_layout_event_phy_packet2(struct kunit *test){ KUNIT_EXPECT_EQ(test, 24, sizeof(struct fw_cdev_event_phy_packet2));
KUNIT_EXPECT_EQ(test, 0, offsetof(struct fw_cdev_event_phy_packet2, closure)); KUNIT_EXPECT_EQ(test, 8, offsetof(struct fw_cdev_event_phy_packet2, type)); KUNIT_EXPECT_EQ(test, 12, offsetof(struct fw_cdev_event_phy_packet2, rcode)); KUNIT_EXPECT_EQ(test, 16, offsetof(struct fw_cdev_event_phy_packet2, length)); KUNIT_EXPECT_EQ(test, 20, offsetof(struct fw_cdev_event_phy_packet2, tstamp)); KUNIT_EXPECT_EQ(test, 24, offsetof(struct fw_cdev_event_phy_packet2, data));}
static struct kunit_case structure_layout_test_cases[] = { KUNIT_CASE(structure_layout_event_response), KUNIT_CASE(structure_layout_event_request3), KUNIT_CASE(structure_layout_event_response2), KUNIT_CASE(structure_layout_event_phy_packet2), {}};
static struct kunit_suite structure_layout_test_suite = { .name = "firewire-uapi-structure-layout", .test_cases = structure_layout_test_cases,};kunit_test_suite(structure_layout_test_suite);
MODULE_DESCRIPTION("FireWire UAPI unit test suite");MODULE_LICENSE("GPL");