fs_sys.h

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/*
 * Copyright (c) 2020 Nordic Semiconductor ASA
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_FS_FS_SYS_H_
#define ZEPHYR_INCLUDE_FS_FS_SYS_H_
 
#ifdef __cplusplus
extern "C" {
#endif
 
struct fs_file_system_t {
        /* File operations */
        int (*open)(struct fs_file_t *filp, const char *fs_path,
                    fs_mode_t flags);
        ssize_t (*read)(struct fs_file_t *filp, void *dest, size_t nbytes);
        ssize_t (*write)(struct fs_file_t *filp,
                                        const void *src, size_t nbytes);
        int (*lseek)(struct fs_file_t *filp, off_t off, int whence);
        off_t (*tell)(struct fs_file_t *filp);
        int (*truncate)(struct fs_file_t *filp, off_t length);
        int (*sync)(struct fs_file_t *filp);
        int (*close)(struct fs_file_t *filp);
        /* Directory operations */
        int (*opendir)(struct fs_dir_t *dirp, const char *fs_path);
        int (*readdir)(struct fs_dir_t *dirp, struct fs_dirent *entry);
        int (*closedir)(struct fs_dir_t *dirp);
        /* File system level operations */
        int (*mount)(struct fs_mount_t *mountp);
        int (*unmount)(struct fs_mount_t *mountp);
        int (*unlink)(struct fs_mount_t *mountp, const char *name);
        int (*rename)(struct fs_mount_t *mountp, const char *from,
                                        const char *to);
        int (*mkdir)(struct fs_mount_t *mountp, const char *name);
        int (*stat)(struct fs_mount_t *mountp, const char *path,
                                        struct fs_dirent *entry);
        int (*statvfs)(struct fs_mount_t *mountp, const char *path,
                                        struct fs_statvfs *stat);
#if defined(CONFIG_FILE_SYSTEM_MKFS)
        int (*mkfs)(uintptr_t dev_id, void *cfg, int flags);
#endif
};
 
#ifdef __cplusplus
}
#endif
 
#endif /* ZEPHYR_INCLUDE_FS_FS_SYS_H_ */