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/* SPDX-License-Identifier: GPL-2.0+ */
#ifndef __BSELFTEST_H
#define __BSELFTEST_H
#include <linux/compiler.h>
#include <linux/list.h>
#include <init.h>
enum bselftest_group {
BSELFTEST_core
};
struct selftest {
enum bselftest_group group;
const char *name;
int (*func)(void);
struct list_head list;
};
static inline int selftest_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_err("failed %u out of %u tests\n", failed_tests, total_tests);
return failed_tests ? -EINVAL : 0;
}
extern struct list_head selftests;
#define BSELFTEST_GLOBALS() \
static unsigned int total_tests __initdata; \
static unsigned int failed_tests __initdata; \
static unsigned int skipped_tests __initdata
#ifdef CONFIG_SELFTEST
#define __bselftest_initcall(func) late_initcall(func)
void selftests_run(void);
#else
#define __bselftest_initcall(func)
static inline void selftests_run(void)
{
}
#endif
#define bselftest(_group, _func) \
static int __bselftest_##_func(void) \
{ \
total_tests = failed_tests = skipped_tests = 0; \
_func(); \
return selftest_report(total_tests, \
failed_tests, \
skipped_tests); \
} \
static __maybe_unused \
int __init _func##_bselftest_register(void) \
{ \
static struct selftest this = { \
.group = BSELFTEST_##_group, \
.name = KBUILD_MODNAME, \
.func = __bselftest_##_func, \
}; \
list_add_tail(&this.list, &selftests); \
return 0; \
} \
__bselftest_initcall(_func##_bselftest_register);
#endif
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