/* SPDX-License-Identifier: GPL-2.0+ */ #ifndef __KSELFTEST_MODULE_H #define __KSELFTEST_MODULE_H #include <linux/module.h> #include <linux/panic.h> /* * Test framework for writing test modules to be loaded by kselftest. * See Documentation/dev-tools/kselftest.rst for an example test module. */ #define KSTM_MODULE_GLOBALS() \ static unsigned int total_tests __initdata; \ static unsigned int failed_tests __initdata; \ static unsigned int skipped_tests __initdata #define KSTM_CHECK_ZERO(x) do { \ total_tests++; \ if (x) { \ pr_warn("TC failed at %s:%d\n", __func__, __LINE__); \ failed_tests++; \ } \ } while (0) static inline int kstm_report(unsigned int total_tests, unsigned int failed_tests, unsigned int skipped_tests) { if (failed_tests == 0) { if (skipped_tests) { pr_info("skipped %u tests\n", skipped_tests); pr_info("remaining %u tests passed\n", total_tests); } else pr_info("all %u tests passed\n", total_tests); } else pr_warn("failed %u out of %u tests\n", failed_tests, total_tests); return failed_tests ? -EINVAL : 0; } #define KSTM_MODULE_LOADERS(__module) \ static int __init __module##_init(void) \ { \ pr_info("loaded.\n"); \ add_taint(TAINT_TEST, LOCKDEP_STILL_OK); \ selftest(); \ return kstm_report(total_tests, failed_tests, skipped_tests); \ } \ static void __exit __module##_exit(void) \ { \ pr_info("unloaded.\n"); \ } \ module_init(__module##_init); \ module_exit(__module##_exit) MODULE_INFO(test, "Y"); #endif /* __KSELFTEST_MODULE_H */