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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2025, Google LLC.
* Pasha Tatashin <pasha.tatashin@soleen.com>
*
* Utility functions for LUO kselftests.
*/
#ifndef LUO_TEST_UTILS_H
#define LUO_TEST_UTILS_H
#include <errno.h>
#include <string.h>
#include <linux/liveupdate.h>
#include "../kselftest.h"
#define LUO_DEVICE "/dev/liveupdate"
#define fail_exit(fmt, ...) \
ksft_exit_fail_msg("[%s:%d] " fmt " (errno: %s)\n", \
__func__, __LINE__, ##__VA_ARGS__, strerror(errno))
int luo_open_device(void);
int luo_create_session(int luo_fd, const char *name);
int luo_retrieve_session(int luo_fd, const char *name);
int luo_session_finish(int session_fd);
int create_and_preserve_memfd(int session_fd, int token, const char *data);
int restore_and_verify_memfd(int session_fd, int token, const char *expected_data);
void create_state_file(int luo_fd, const char *session_name, int token,
int next_stage);
void restore_and_read_stage(int state_session_fd, int token, int *stage);
void daemonize_and_wait(void);
typedef void (*luo_test_stage1_fn)(int luo_fd);
typedef void (*luo_test_stage2_fn)(int luo_fd, int state_session_fd);
int luo_test(int argc, char *argv[], const char *state_session_name,
luo_test_stage1_fn stage1, luo_test_stage2_fn stage2);
#endif /* LUO_TEST_UTILS_H */
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