1/* SPDX-License-Identifier: GPL-2.0+ */
 2#ifndef __KSELFTEST_MODULE_H
 3#define __KSELFTEST_MODULE_H
 4
 5#include <linux/module.h>
 6#include <linux/panic.h>
 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()			\
14static unsigned int total_tests __initdata;	\
15static unsigned int failed_tests __initdata;	\
16static unsigned int skipped_tests __initdata
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
26static inline int kstm_report(unsigned int total_tests, unsigned int failed_tests,
27			      unsigned int skipped_tests)
28{
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
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)			\
42static int __init __module##_init(void)			\
43{							\
44	pr_info("loaded.\n");				\
45	add_taint(TAINT_TEST, LOCKDEP_STILL_OK);	\
46	selftest();					\
47	return kstm_report(total_tests, failed_tests, skipped_tests);	\
48}							\
49static void __exit __module##_exit(void)		\
50{							\
51	pr_info("unloaded.\n");				\
52}							\
53module_init(__module##_init);				\
54module_exit(__module##_exit)
55
56MODULE_INFO(test, "Y");
57
58#endif	/* __KSELFTEST_MODULE_H */

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