cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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kselftest_module.h (1501B)

      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;	\
     15static unsigned int skipped_tests __initdata
     16
     17#define KSTM_CHECK_ZERO(x) do {						\
     18	total_tests++;							\
     19	if (x) {							\
     20		pr_warn("TC failed at %s:%d\n", __func__, __LINE__);	\
     21		failed_tests++;						\
     22	}								\
     23} while (0)
     24
     25static inline int kstm_report(unsigned int total_tests, unsigned int failed_tests,
     26			      unsigned int skipped_tests)
     27{
     28	if (failed_tests == 0) {
     29		if (skipped_tests) {
     30			pr_info("skipped %u tests\n", skipped_tests);
     31			pr_info("remaining %u tests passed\n", total_tests);
     32		} else
     33			pr_info("all %u tests passed\n", total_tests);
     34	} else
     35		pr_warn("failed %u out of %u tests\n", failed_tests, total_tests);
     36
     37	return failed_tests ? -EINVAL : 0;
     38}
     39
     40#define KSTM_MODULE_LOADERS(__module)			\
     41static int __init __module##_init(void)			\
     42{							\
     43	pr_info("loaded.\n");				\
     44	selftest();					\
     45	return kstm_report(total_tests, failed_tests, skipped_tests);	\
     46}							\
     47static void __exit __module##_exit(void)		\
     48{							\
     49	pr_info("unloaded.\n");				\
     50}							\
     51module_init(__module##_init);				\
     52module_exit(__module##_exit)
     53
     54#endif	/* __KSELFTEST_MODULE_H */