2 * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
4 * Copyright (C) 2002-2007 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
137 #define S_IFMT 0170000
141 #define S_IFLNK 0120000
145 #define S_IFDIR 0040000
149 #define S_IFREG 0100000
153 #define S_IREAD 0000400
157 #define S_IWRITE 0000200
161 #define S_IEXEC 0000100
173 #include <sys/stat.h>
179 long d_ino; /* inode number */
180 off_t d_off; /* offset to this dirent */
181 unsigned short d_reclen; /* length of this d_name */
182 YUCHAR d_type; /* type of this record */
183 YCHAR d_name [NAME_MAX+1]; /* file name (null-terminated) */
184 unsigned d_dont_use; /* debug pointer, not for public consumption */
187 typedef struct yaffs_dirent yaffs_dirent;
190 typedef struct __opaque yaffs_DIR;
195 int st_dev; /* device */
196 int st_ino; /* inode */
197 unsigned st_mode; /* protection */
198 int st_nlink; /* number of hard links */
199 int st_uid; /* user ID of owner */
200 int st_gid; /* group ID of owner */
201 unsigned st_rdev; /* device type (if inode device) */
202 off_t st_size; /* total size, in bytes */
203 unsigned long st_blksize; /* blocksize for filesystem I/O */
204 unsigned long st_blocks; /* number of blocks allocated */
205 #ifdef CONFIG_YAFFS_WINCE
206 /* Special 64-bit times for WinCE */
207 unsigned long yst_wince_atime[2];
208 unsigned long yst_wince_mtime[2];
209 unsigned long yst_wince_ctime[2];
211 unsigned long yst_atime; /* time of last access */
212 unsigned long yst_mtime; /* time of last modification */
213 unsigned long yst_ctime; /* time of last change */
217 int yaffs_open(const YCHAR *path, int oflag, int mode) ;
218 int yaffs_close(int fd) ;
219 int yaffs_flush(int fd) ;
221 int yaffs_access(const YCHAR *path, int amode);
223 int yaffs_dup(int fd);
225 int yaffs_read(int fd, void *buf, unsigned int nbyte) ;
226 int yaffs_write(int fd, const void *buf, unsigned int nbyte) ;
228 int yaffs_pread(int fd, void *buf, unsigned int nbyte, unsigned int offset);
229 int yaffs_pwrite(int fd, const void *buf, unsigned int nbyte, unsigned int offset);
231 off_t yaffs_lseek(int fd, off_t offset, int whence) ;
233 int yaffs_truncate(const YCHAR *path, off_t newSize);
234 int yaffs_ftruncate(int fd, off_t newSize);
236 int yaffs_unlink(const YCHAR *path) ;
237 int yaffs_rename(const YCHAR *oldPath, const YCHAR *newPath) ;
239 int yaffs_stat(const YCHAR *path, struct yaffs_stat *buf) ;
240 int yaffs_lstat(const YCHAR *path, struct yaffs_stat *buf) ;
241 int yaffs_fstat(int fd, struct yaffs_stat *buf) ;
243 #ifdef CONFIG_YAFFS_WINCE
245 int yaffs_set_wince_times(int fd, const unsigned *wctime, const unsigned *watime, const unsigned *wmtime);
246 int yaffs_get_wince_times(int fd, unsigned *wctime, unsigned *watime, unsigned *wmtime);
250 int yaffs_chmod(const YCHAR *path, mode_t mode);
251 int yaffs_fchmod(int fd, mode_t mode);
253 int yaffs_mkdir(const YCHAR *path, mode_t mode) ;
254 int yaffs_rmdir(const YCHAR *path) ;
256 yaffs_DIR *yaffs_opendir(const YCHAR *dirname) ;
257 struct yaffs_dirent *yaffs_readdir(yaffs_DIR *dirp) ;
258 void yaffs_rewinddir(yaffs_DIR *dirp) ;
259 int yaffs_closedir(yaffs_DIR *dirp) ;
261 int yaffs_mount(const YCHAR *path) ;
262 int yaffs_unmount(const YCHAR *path) ;
264 int yaffs_sync(const YCHAR *path) ;
266 int yaffs_symlink(const YCHAR *oldpath, const YCHAR *newpath);
267 int yaffs_readlink(const YCHAR *path, YCHAR *buf, int bufsiz);
269 int yaffs_link(const YCHAR *oldpath, const YCHAR *newpath);
270 int yaffs_mknod(const YCHAR *pathname, mode_t mode, dev_t dev);
272 loff_t yaffs_freespace(const YCHAR *path);
273 loff_t yaffs_totalspace(const YCHAR *path);
275 int yaffs_inodecount(const YCHAR *path);
278 void yaffs_initialise(yaffsfs_DeviceConfiguration *configList);
280 int yaffs_StartUp(void);