diff options
Diffstat (limited to 'tools/testing/selftests/membarrier/membarrier_test.c')
| -rw-r--r-- | tools/testing/selftests/membarrier/membarrier_test.c | 313 |
1 files changed, 0 insertions, 313 deletions
diff --git a/tools/testing/selftests/membarrier/membarrier_test.c b/tools/testing/selftests/membarrier/membarrier_test.c deleted file mode 100644 index 70b4ddbf126b..000000000000 --- a/tools/testing/selftests/membarrier/membarrier_test.c +++ /dev/null @@ -1,313 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -#define _GNU_SOURCE -#include <linux/membarrier.h> -#include <syscall.h> -#include <stdio.h> -#include <errno.h> -#include <string.h> - -#include "../kselftest.h" - -static int sys_membarrier(int cmd, int flags) -{ - return syscall(__NR_membarrier, cmd, flags); -} - -static int test_membarrier_cmd_fail(void) -{ - int cmd = -1, flags = 0; - const char *test_name = "sys membarrier invalid command"; - - if (sys_membarrier(cmd, flags) != -1) { - ksft_exit_fail_msg( - "%s test: command = %d, flags = %d. Should fail, but passed\n", - test_name, cmd, flags); - } - if (errno != EINVAL) { - ksft_exit_fail_msg( - "%s test: flags = %d. Should return (%d: \"%s\"), but returned (%d: \"%s\").\n", - test_name, flags, EINVAL, strerror(EINVAL), - errno, strerror(errno)); - } - - ksft_test_result_pass( - "%s test: command = %d, flags = %d, errno = %d. Failed as expected\n", - test_name, cmd, flags, errno); - return 0; -} - -static int test_membarrier_flags_fail(void) -{ - int cmd = MEMBARRIER_CMD_QUERY, flags = 1; - const char *test_name = "sys membarrier MEMBARRIER_CMD_QUERY invalid flags"; - - if (sys_membarrier(cmd, flags) != -1) { - ksft_exit_fail_msg( - "%s test: flags = %d. Should fail, but passed\n", - test_name, flags); - } - if (errno != EINVAL) { - ksft_exit_fail_msg( - "%s test: flags = %d. Should return (%d: \"%s\"), but returned (%d: \"%s\").\n", - test_name, flags, EINVAL, strerror(EINVAL), - errno, strerror(errno)); - } - - ksft_test_result_pass( - "%s test: flags = %d, errno = %d. Failed as expected\n", - test_name, flags, errno); - return 0; -} - -static int test_membarrier_global_success(void) -{ - int cmd = MEMBARRIER_CMD_GLOBAL, flags = 0; - const char *test_name = "sys membarrier MEMBARRIER_CMD_GLOBAL"; - - if (sys_membarrier(cmd, flags) != 0) { - ksft_exit_fail_msg( - "%s test: flags = %d, errno = %d\n", - test_name, flags, errno); - } - - ksft_test_result_pass( - "%s test: flags = %d\n", test_name, flags); - return 0; -} - -static int test_membarrier_private_expedited_fail(void) -{ - int cmd = MEMBARRIER_CMD_PRIVATE_EXPEDITED, flags = 0; - const char *test_name = "sys membarrier MEMBARRIER_CMD_PRIVATE_EXPEDITED not registered failure"; - - if (sys_membarrier(cmd, flags) != -1) { - ksft_exit_fail_msg( - "%s test: flags = %d. Should fail, but passed\n", - test_name, flags); - } - if (errno != EPERM) { - ksft_exit_fail_msg( - "%s test: flags = %d. Should return (%d: \"%s\"), but returned (%d: \"%s\").\n", - test_name, flags, EPERM, strerror(EPERM), - errno, strerror(errno)); - } - - ksft_test_result_pass( - "%s test: flags = %d, errno = %d\n", - test_name, flags, errno); - return 0; -} - -static int test_membarrier_register_private_expedited_success(void) -{ - int cmd = MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED, flags = 0; - const char *test_name = "sys membarrier MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED"; - - if (sys_membarrier(cmd, flags) != 0) { - ksft_exit_fail_msg( - "%s test: flags = %d, errno = %d\n", - test_name, flags, errno); - } - - ksft_test_result_pass( - "%s test: flags = %d\n", - test_name, flags); - return 0; -} - -static int test_membarrier_private_expedited_success(void) -{ - int cmd = MEMBARRIER_CMD_PRIVATE_EXPEDITED, flags = 0; - const char *test_name = "sys membarrier MEMBARRIER_CMD_PRIVATE_EXPEDITED"; - - if (sys_membarrier(cmd, flags) != 0) { - ksft_exit_fail_msg( - "%s test: flags = %d, errno = %d\n", - test_name, flags, errno); - } - - ksft_test_result_pass( - "%s test: flags = %d\n", - test_name, flags); - return 0; -} - -static int test_membarrier_private_expedited_sync_core_fail(void) -{ - int cmd = MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE, flags = 0; - const char *test_name = "sys membarrier MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE not registered failure"; - - if (sys_membarrier(cmd, flags) != -1) { - ksft_exit_fail_msg( - "%s test: flags = %d. Should fail, but passed\n", - test_name, flags); - } - if (errno != EPERM) { - ksft_exit_fail_msg( - "%s test: flags = %d. Should return (%d: \"%s\"), but returned (%d: \"%s\").\n", - test_name, flags, EPERM, strerror(EPERM), - errno, strerror(errno)); - } - - ksft_test_result_pass( - "%s test: flags = %d, errno = %d\n", - test_name, flags, errno); - return 0; -} - -static int test_membarrier_register_private_expedited_sync_core_success(void) -{ - int cmd = MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_SYNC_CORE, flags = 0; - const char *test_name = "sys membarrier MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_SYNC_CORE"; - - if (sys_membarrier(cmd, flags) != 0) { - ksft_exit_fail_msg( - "%s test: flags = %d, errno = %d\n", - test_name, flags, errno); - } - - ksft_test_result_pass( - "%s test: flags = %d\n", - test_name, flags); - return 0; -} - -static int test_membarrier_private_expedited_sync_core_success(void) -{ - int cmd = MEMBARRIER_CMD_PRIVATE_EXPEDITED, flags = 0; - const char *test_name = "sys membarrier MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE"; - - if (sys_membarrier(cmd, flags) != 0) { - ksft_exit_fail_msg( - "%s test: flags = %d, errno = %d\n", - test_name, flags, errno); - } - - ksft_test_result_pass( - "%s test: flags = %d\n", - test_name, flags); - return 0; -} - -static int test_membarrier_register_global_expedited_success(void) -{ - int cmd = MEMBARRIER_CMD_REGISTER_GLOBAL_EXPEDITED, flags = 0; - const char *test_name = "sys membarrier MEMBARRIER_CMD_REGISTER_GLOBAL_EXPEDITED"; - - if (sys_membarrier(cmd, flags) != 0) { - ksft_exit_fail_msg( - "%s test: flags = %d, errno = %d\n", - test_name, flags, errno); - } - - ksft_test_result_pass( - "%s test: flags = %d\n", - test_name, flags); - return 0; -} - -static int test_membarrier_global_expedited_success(void) -{ - int cmd = MEMBARRIER_CMD_GLOBAL_EXPEDITED, flags = 0; - const char *test_name = "sys membarrier MEMBARRIER_CMD_GLOBAL_EXPEDITED"; - - if (sys_membarrier(cmd, flags) != 0) { - ksft_exit_fail_msg( - "%s test: flags = %d, errno = %d\n", - test_name, flags, errno); - } - - ksft_test_result_pass( - "%s test: flags = %d\n", - test_name, flags); - return 0; -} - -static int test_membarrier(void) -{ - int status; - - status = test_membarrier_cmd_fail(); - if (status) - return status; - status = test_membarrier_flags_fail(); - if (status) - return status; - status = test_membarrier_global_success(); - if (status) - return status; - status = test_membarrier_private_expedited_fail(); - if (status) - return status; - status = test_membarrier_register_private_expedited_success(); - if (status) - return status; - status = test_membarrier_private_expedited_success(); - if (status) - return status; - status = sys_membarrier(MEMBARRIER_CMD_QUERY, 0); - if (status < 0) { - ksft_test_result_fail("sys_membarrier() failed\n"); - return status; - } - if (status & MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE) { - status = test_membarrier_private_expedited_sync_core_fail(); - if (status) - return status; - status = test_membarrier_register_private_expedited_sync_core_success(); - if (status) - return status; - status = test_membarrier_private_expedited_sync_core_success(); - if (status) - return status; - } - /* - * It is valid to send a global membarrier from a non-registered - * process. - */ - status = test_membarrier_global_expedited_success(); - if (status) - return status; - status = test_membarrier_register_global_expedited_success(); - if (status) - return status; - status = test_membarrier_global_expedited_success(); - if (status) - return status; - return 0; -} - -static int test_membarrier_query(void) -{ - int flags = 0, ret; - - ret = sys_membarrier(MEMBARRIER_CMD_QUERY, flags); - if (ret < 0) { - if (errno == ENOSYS) { - /* - * It is valid to build a kernel with - * CONFIG_MEMBARRIER=n. However, this skips the tests. - */ - ksft_exit_skip( - "sys membarrier (CONFIG_MEMBARRIER) is disabled.\n"); - } - ksft_exit_fail_msg("sys_membarrier() failed\n"); - } - if (!(ret & MEMBARRIER_CMD_GLOBAL)) - ksft_exit_skip( - "sys_membarrier unsupported: CMD_GLOBAL not found.\n"); - - ksft_test_result_pass("sys_membarrier available\n"); - return 0; -} - -int main(int argc, char **argv) -{ - ksft_print_header(); - ksft_set_plan(13); - - test_membarrier_query(); - test_membarrier(); - - return ksft_exit_pass(); -} |