fs.h File Reference

#include <sys/types.h>
#include <zephyr/sys/dlist.h>
#include <zephyr/fs/fs_interface.h>

Go to the source code of this file.

Data Structures
struct	fs_mount_t
	File system mount info structure. More...
struct	fs_dirent
	Structure to receive file or directory information. More...
struct	fs_statvfs
	Structure to receive volume statistics. More...

Macros
#define	FS_MOUNT_FLAG_NO_FORMAT   BIT(0)
#define	FS_MOUNT_FLAG_READ_ONLY   BIT(1)
#define	FS_MOUNT_FLAG_AUTOMOUNT   BIT(2)
#define	FS_MOUNT_FLAG_USE_DISK_ACCESS   BIT(3)
#define	FSTAB_ENTRY_DT_MOUNT_FLAGS(node_id)
#define	FS_FSTAB_ENTRY(node_id)   _CONCAT(z_fsmp_, node_id)
	The name under which a zephyr,fstab entry mount structure is defined. More...
#define	FS_FSTAB_DECLARE_ENTRY(node_id)    extern struct fs_mount_t FS_FSTAB_ENTRY(node_id)
	Generate a declaration for the externally defined fstab entry. More...
fs_open open and creation mode flags
#define	FS_O_READ   0x01
#define	FS_O_WRITE   0x02
#define	FS_O_RDWR   (FS_O_READ | FS_O_WRITE)
#define	FS_O_MODE_MASK   0x03
#define	FS_O_CREATE   0x10
#define	FS_O_APPEND   0x20
#define	FS_O_FLAGS_MASK   0x30
#define	FS_O_MASK   (FS_O_MODE_MASK | FS_O_FLAGS_MASK)
fs_seek whence parameter values
#define	FS_SEEK_SET   0
#define	FS_SEEK_CUR   1
#define	FS_SEEK_END   2

Enumerations
enum	fs_dir_entry_type { FS_DIR_ENTRY_FILE = 0 , FS_DIR_ENTRY_DIR }
enum	{ FS_FATFS = 0 , FS_LITTLEFS , FS_TYPE_EXTERNAL_BASE }
	Enumeration to uniquely identify file system types. More...

Functions
static void	fs_file_t_init (struct fs_file_t *zfp)
	Initialize fs_file_t object. More...
static void	fs_dir_t_init (struct fs_dir_t *zdp)
	Initialize fs_dir_t object. More...
int	fs_open (struct fs_file_t *zfp, const char *file_name, fs_mode_t flags)
	Open or create file. More...
int	fs_close (struct fs_file_t *zfp)
	Close file. More...
int	fs_unlink (const char *path)
	Unlink file. More...
int	fs_rename (const char *from, const char *to)
	Rename file or directory. More...
ssize_t	fs_read (struct fs_file_t *zfp, void *ptr, size_t size)
	Read file. More...
ssize_t	fs_write (struct fs_file_t *zfp, const void *ptr, size_t size)
	Write file. More...
int	fs_seek (struct fs_file_t *zfp, off_t offset, int whence)
	Seek file. More...
off_t	fs_tell (struct fs_file_t *zfp)
	Get current file position. More...
int	fs_truncate (struct fs_file_t *zfp, off_t length)
	Truncate or extend an open file to a given size. More...
int	fs_sync (struct fs_file_t *zfp)
	Flush cached write data buffers of an open file. More...
int	fs_mkdir (const char *path)
	Directory create. More...
int	fs_opendir (struct fs_dir_t *zdp, const char *path)
	Directory open. More...
int	fs_readdir (struct fs_dir_t *zdp, struct fs_dirent *entry)
	Directory read entry. More...
int	fs_closedir (struct fs_dir_t *zdp)
	Directory close. More...
int	fs_mount (struct fs_mount_t *mp)
	Mount filesystem. More...
int	fs_unmount (struct fs_mount_t *mp)
	Unmount filesystem. More...
int	fs_readmount (int *index, const char **name)
	Get path of mount point at index. More...
int	fs_stat (const char *path, struct fs_dirent *entry)
	File or directory status. More...
int	fs_statvfs (const char *path, struct fs_statvfs *stat)
	Retrieves statistics of the file system volume. More...
int	fs_mkfs (int fs_type, uintptr_t dev_id, void *cfg, int flags)
	Create fresh file system. More...
int	fs_register (int type, const struct fs_file_system_t *fs)
	Register a file system. More...
int	fs_unregister (int type, const struct fs_file_system_t *fs)
	Unregister a file system. More...