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/* SPDX-License-Identifier: GPL-2.0+ */
#ifndef __KSELFTEST_MODULE_H
#define __KSELFTEST_MODULE_H
#include <linux/module.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"); \
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)
#endif /* __KSELFTEST_MODULE_H */
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