projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| eebf4dd4 TH |
1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
| 2 | #ifndef __KSELFTEST_MODULE_H | |
| 3 | #define __KSELFTEST_MODULE_H | |
| 4 | ||
| 5 | #include <linux/module.h> | |
| 8370b400 | 6 | #include <linux/panic.h> |
| eebf4dd4 TH |
7 | |
| 8 | /* | |
| 9 | * Test framework for writing test modules to be loaded by kselftest. | |
| 10 | * See Documentation/dev-tools/kselftest.rst for an example test module. | |
| 11 | */ | |
| 12 | ||
| 13 | #define KSTM_MODULE_GLOBALS() \ | |
| 14 | static unsigned int total_tests __initdata; \ | |
| d9d4de23 TT |
15 | static unsigned int failed_tests __initdata; \ |
| 16 | static unsigned int skipped_tests __initdata | |
| eebf4dd4 TH |
17 | |
| 18 | #define KSTM_CHECK_ZERO(x) do { \ | |
| 19 | total_tests++; \ | |
| 20 | if (x) { \ | |
| 21 | pr_warn("TC failed at %s:%d\n", __func__, __LINE__); \ | |
| 22 | failed_tests++; \ | |
| 23 | } \ | |
| 24 | } while (0) | |
| 25 | ||
| d9d4de23 TT |
26 | static inline int kstm_report(unsigned int total_tests, unsigned int failed_tests, |
| 27 | unsigned int skipped_tests) | |
| eebf4dd4 | 28 | { |
| d9d4de23 TT |
29 | if (failed_tests == 0) { |
| 30 | if (skipped_tests) { | |
| 31 | pr_info("skipped %u tests\n", skipped_tests); | |
| 32 | pr_info("remaining %u tests passed\n", total_tests); | |
| 33 | } else | |
| 34 | pr_info("all %u tests passed\n", total_tests); | |
| 35 | } else | |
| eebf4dd4 TH |
36 | pr_warn("failed %u out of %u tests\n", failed_tests, total_tests); |
| 37 | ||
| 38 | return failed_tests ? -EINVAL : 0; | |
| 39 | } | |
| 40 | ||
| 41 | #define KSTM_MODULE_LOADERS(__module) \ | |
| 42 | static int __init __module##_init(void) \ | |
| 43 | { \ | |
| 44 | pr_info("loaded.\n"); \ | |
| 8370b400 | 45 | add_taint(TAINT_TEST, LOCKDEP_STILL_OK); \ |
| eebf4dd4 | 46 | selftest(); \ |
| d9d4de23 | 47 | return kstm_report(total_tests, failed_tests, skipped_tests); \ |
| eebf4dd4 TH |
48 | } \ |
| 49 | static void __exit __module##_exit(void) \ | |
| 50 | { \ | |
| 51 | pr_info("unloaded.\n"); \ | |
| 52 | } \ | |
| 53 | module_init(__module##_init); \ | |
| 54 | module_exit(__module##_exit) | |
| 55 | ||
| 8370b400 DG |
56 | MODULE_INFO(test, "Y"); |
| 57 | ||
| eebf4dd4 | 58 | #endif /* __KSELFTEST_MODULE_H */ |