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
118 #define ENAMETOOLONG 36
141 #define S_IFMT 0170000
145 #define S_IFLNK 0120000
149 #define S_IFDIR 0040000
153 #define S_IFREG 0100000
157 #define S_IREAD 0000400
161 #define S_IWRITE 0000200
165 #define S_IEXEC 0000100
169 #define XATTR_CREATE 1
172 #ifndef XATTR_REPLACE
173 #define XATTR_REPLACE 2
185 #include <sys/stat.h>
191 long d_ino; /* inode number */
192 off_t d_off; /* offset to this dirent */
193 unsigned short d_reclen; /* length of this d_name */
194 YUCHAR d_type; /* type of this record */
195 YCHAR d_name [NAME_MAX+1]; /* file name (null-terminated) */
196 unsigned d_dont_use; /* debug pointer, not for public consumption */
199 typedef struct yaffs_dirent yaffs_dirent;
202 typedef struct __opaque yaffs_DIR;
207 int st_dev; /* device */
208 int st_ino; /* inode */
209 unsigned st_mode; /* protection */
210 int st_nlink; /* number of hard links */
211 int st_uid; /* user ID of owner */
212 int st_gid; /* group ID of owner */
213 unsigned st_rdev; /* device type (if inode device) */
214 off_t st_size; /* total size, in bytes */
215 unsigned long st_blksize; /* blocksize for filesystem I/O */
216 unsigned long st_blocks; /* number of blocks allocated */
217 #ifdef CONFIG_YAFFS_WINCE
218 /* Special 64-bit times for WinCE */
219 unsigned long yst_wince_atime[2];
220 unsigned long yst_wince_mtime[2];
221 unsigned long yst_wince_ctime[2];
223 unsigned long yst_atime; /* time of last access */
224 unsigned long yst_mtime; /* time of last modification */
225 unsigned long yst_ctime; /* time of last change */
229 int yaffs_open(const YCHAR *path, int oflag, int mode) ;
230 int yaffs_close(int fd) ;
231 int yaffs_fsync(int fd) ;
232 int yaffs_fdatasync(int fd) ;
233 int yaffs_flush(int fd) ; /* same as yaffs_fsync() */
235 int yaffs_access(const YCHAR *path, int amode);
237 int yaffs_dup(int fd);
239 int yaffs_read(int fd, void *buf, unsigned int nbyte) ;
240 int yaffs_write(int fd, const void *buf, unsigned int nbyte) ;
242 int yaffs_pread(int fd, void *buf, unsigned int nbyte, unsigned int offset);
243 int yaffs_pwrite(int fd, const void *buf, unsigned int nbyte, unsigned int offset);
245 off_t yaffs_lseek(int fd, off_t offset, int whence) ;
247 int yaffs_truncate(const YCHAR *path, off_t newSize);
248 int yaffs_ftruncate(int fd, off_t newSize);
250 int yaffs_unlink(const YCHAR *path) ;
251 int yaffs_rename(const YCHAR *oldPath, const YCHAR *newPath) ;
253 int yaffs_stat(const YCHAR *path, struct yaffs_stat *buf) ;
254 int yaffs_lstat(const YCHAR *path, struct yaffs_stat *buf) ;
255 int yaffs_fstat(int fd, struct yaffs_stat *buf) ;
257 int yaffs_setxattr(const char *path, const char *name, const void *data, int size, int flags);
258 int yaffs_lsetxattr(const char *path, const char *name, const void *data, int size, int flags);
259 int yaffs_fsetxattr(int fd, const char *name, const void *data, int size, int flags);
261 int yaffs_getxattr(const char *path, const char *name, void *data, int size);
262 int yaffs_lgetxattr(const char *path, const char *name, void *data, int size);
263 int yaffs_fgetxattr(int fd, const char *name, void *data, int size);
265 int yaffs_removexattr(const char *path, const char *name);
266 int yaffs_lremovexattr(const char *path, const char *name);
267 int yaffs_fremovexattr(int fd, const char *name);
269 int yaffs_listxattr(const char *path, char *list, int size);
270 int yaffs_llistxattr(const char *path, char *list, int size);
271 int yaffs_flistxattr(int fd, char *list, int size);
274 #ifdef CONFIG_YAFFS_WINCE
276 int yaffs_set_wince_times(int fd, const unsigned *wctime, const unsigned *watime, const unsigned *wmtime);
277 int yaffs_get_wince_times(int fd, unsigned *wctime, unsigned *watime, unsigned *wmtime);
281 int yaffs_chmod(const YCHAR *path, mode_t mode);
282 int yaffs_fchmod(int fd, mode_t mode);
284 int yaffs_mkdir(const YCHAR *path, mode_t mode) ;
285 int yaffs_rmdir(const YCHAR *path) ;
287 yaffs_DIR *yaffs_opendir(const YCHAR *dirname) ;
288 struct yaffs_dirent *yaffs_readdir(yaffs_DIR *dirp) ;
289 void yaffs_rewinddir(yaffs_DIR *dirp) ;
290 int yaffs_closedir(yaffs_DIR *dirp) ;
292 int yaffs_mount(const YCHAR *path) ;
293 int yaffs_mount2(const YCHAR *path, int readOnly);
294 int yaffs_unmount(const YCHAR *path) ;
295 int yaffs_unmount2(const YCHAR *path, int force);
296 int yaffs_remount(const YCHAR *path, int force, int readOnly);
299 int yaffs_sync(const YCHAR *path) ;
301 int yaffs_symlink(const YCHAR *oldpath, const YCHAR *newpath);
302 int yaffs_readlink(const YCHAR *path, YCHAR *buf, int bufsiz);
304 int yaffs_link(const YCHAR *oldpath, const YCHAR *newpath);
305 int yaffs_mknod(const YCHAR *pathname, mode_t mode, dev_t dev);
307 loff_t yaffs_freespace(const YCHAR *path);
308 loff_t yaffs_totalspace(const YCHAR *path);
310 int yaffs_inodecount(const YCHAR *path);
315 int yaffs_StartUp(void);