2 * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
4 * Copyright (C) 2002-2010 Aleph One Ltd.
5 * for Toby Churchill Ltd and Brightstar Engineering
7 * Created by Charles Manning <charles@aleph1.co.uk>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU Lesser General Public License version 2.1 as
11 * published by the Free Software Foundation.
13 * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
17 * Header file for using yaffs in an application via
31 //typedef unsigned long mode_t;
39 #ifdef CONFIG_YAFFSFS_PROVIDE_VALUES
66 #define O_APPEND 02000
126 #define ENAMETOOLONG 36
149 #define S_IFMT 0170000
153 #define S_IFLNK 0120000
157 #define S_IFDIR 0040000
161 #define S_IFREG 0100000
165 #define S_IREAD 0000400
169 #define S_IWRITE 0000200
173 #define S_IEXEC 0000100
177 #define XATTR_CREATE 1
180 #ifndef XATTR_REPLACE
181 #define XATTR_REPLACE 2
193 #include <sys/stat.h>
199 long d_ino; /* inode number */
200 off_t d_off; /* offset to this dirent */
201 unsigned short d_reclen; /* length of this d_name */
202 YUCHAR d_type; /* type of this record */
203 YCHAR d_name [NAME_MAX+1]; /* file name (null-terminated) */
204 unsigned d_dont_use; /* debug pointer, not for public consumption */
207 typedef struct yaffs_dirent yaffs_dirent;
210 typedef struct __opaque yaffs_DIR;
215 int st_dev; /* device */
216 int st_ino; /* inode */
217 unsigned st_mode; /* protection */
218 int st_nlink; /* number of hard links */
219 int st_uid; /* user ID of owner */
220 int st_gid; /* group ID of owner */
221 unsigned st_rdev; /* device type (if inode device) */
222 off_t st_size; /* total size, in bytes */
223 unsigned long st_blksize; /* blocksize for filesystem I/O */
224 unsigned long st_blocks; /* number of blocks allocated */
225 #ifdef CONFIG_YAFFS_WINCE
226 /* Special 64-bit times for WinCE */
227 unsigned long yst_wince_atime[2];
228 unsigned long yst_wince_mtime[2];
229 unsigned long yst_wince_ctime[2];
231 unsigned long yst_atime; /* time of last access */
232 unsigned long yst_mtime; /* time of last modification */
233 unsigned long yst_ctime; /* time of last change */
237 int yaffs_open(const YCHAR *path, int oflag, int mode) ;
238 int yaffs_close(int fd) ;
239 int yaffs_fsync(int fd) ;
240 int yaffs_fdatasync(int fd) ;
241 int yaffs_flush(int fd) ; /* same as yaffs_fsync() */
243 int yaffs_access(const YCHAR *path, int amode);
245 int yaffs_dup(int fd);
247 int yaffs_read(int fd, void *buf, unsigned int nbyte) ;
248 int yaffs_write(int fd, const void *buf, unsigned int nbyte) ;
250 int yaffs_pread(int fd, void *buf, unsigned int nbyte, unsigned int offset);
251 int yaffs_pwrite(int fd, const void *buf, unsigned int nbyte, unsigned int offset);
253 off_t yaffs_lseek(int fd, off_t offset, int whence) ;
255 int yaffs_truncate(const YCHAR *path, off_t newSize);
256 int yaffs_ftruncate(int fd, off_t newSize);
258 int yaffs_unlink(const YCHAR *path) ;
259 int yaffs_rename(const YCHAR *oldPath, const YCHAR *newPath) ;
261 int yaffs_stat(const YCHAR *path, struct yaffs_stat *buf) ;
262 int yaffs_lstat(const YCHAR *path, struct yaffs_stat *buf) ;
263 int yaffs_fstat(int fd, struct yaffs_stat *buf) ;
265 int yaffs_setxattr(const char *path, const char *name, const void *data, int size, int flags);
266 int yaffs_lsetxattr(const char *path, const char *name, const void *data, int size, int flags);
267 int yaffs_fsetxattr(int fd, const char *name, const void *data, int size, int flags);
269 int yaffs_getxattr(const char *path, const char *name, void *data, int size);
270 int yaffs_lgetxattr(const char *path, const char *name, void *data, int size);
271 int yaffs_fgetxattr(int fd, const char *name, void *data, int size);
273 int yaffs_removexattr(const char *path, const char *name);
274 int yaffs_lremovexattr(const char *path, const char *name);
275 int yaffs_fremovexattr(int fd, const char *name);
277 int yaffs_listxattr(const char *path, char *list, int size);
278 int yaffs_llistxattr(const char *path, char *list, int size);
279 int yaffs_flistxattr(int fd, char *list, int size);
282 #ifdef CONFIG_YAFFS_WINCE
284 int yaffs_set_wince_times(int fd, const unsigned *wctime, const unsigned *watime, const unsigned *wmtime);
285 int yaffs_get_wince_times(int fd, unsigned *wctime, unsigned *watime, unsigned *wmtime);
289 int yaffs_chmod(const YCHAR *path, mode_t mode);
290 int yaffs_fchmod(int fd, mode_t mode);
292 int yaffs_mkdir(const YCHAR *path, mode_t mode) ;
293 int yaffs_rmdir(const YCHAR *path) ;
295 yaffs_DIR *yaffs_opendir(const YCHAR *dirname) ;
296 struct yaffs_dirent *yaffs_readdir(yaffs_DIR *dirp) ;
297 void yaffs_rewinddir(yaffs_DIR *dirp) ;
298 int yaffs_closedir(yaffs_DIR *dirp) ;
300 int yaffs_mount(const YCHAR *path) ;
301 int yaffs_mount2(const YCHAR *path, int readOnly);
302 int yaffs_unmount(const YCHAR *path) ;
303 int yaffs_unmount2(const YCHAR *path, int force);
304 int yaffs_remount(const YCHAR *path, int force, int readOnly);
307 int yaffs_sync(const YCHAR *path) ;
309 int yaffs_symlink(const YCHAR *oldpath, const YCHAR *newpath);
310 int yaffs_readlink(const YCHAR *path, YCHAR *buf, int bufsiz);
312 int yaffs_link(const YCHAR *oldpath, const YCHAR *newpath);
313 int yaffs_mknod(const YCHAR *pathname, mode_t mode, dev_t dev);
315 loff_t yaffs_freespace(const YCHAR *path);
316 loff_t yaffs_totalspace(const YCHAR *path);
318 int yaffs_inodecount(const YCHAR *path);
323 int yaffs_StartUp(void);