/* * YAFFS: Yet another Flash File System . A NAND-flash specific file system. * * Copyright (C) 2002-2007 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering * * Created by Charles Manning <charles@aleph1.co.uk> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License version 2.1 as * published by the Free Software Foundation. * * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. */ /* * Header file for using yaffs in an application via * a direct interface. */ #ifndef __YAFFSFS_H__ #define __YAFFSFS_H__ #include "yaffscfg.h" #include "yportenv.h" //typedef long off_t; //typedef long dev_t; //typedef unsigned long mode_t; #ifndef NAME_MAX #define NAME_MAX 256 #endif #ifndef O_RDONLY #define O_RDONLY 00 #endif #ifndef O_WRONLY #define O_WRONLY 01 #endif #ifndef O_RDWR #define O_RDWR 02 #endif #ifndef O_CREAT #define O_CREAT 0100 #endif #ifndef O_EXCL #define O_EXCL 0200 #endif #ifndef O_TRUNC #define O_TRUNC 01000 #endif #ifndef O_APPEND #define O_APPEND 02000 #endif #ifndef SEEK_SET #define SEEK_SET 0 #endif #ifndef SEEK_CUR #define SEEK_CUR 1 #endif #ifndef SEEK_END #define SEEK_END 2 #endif #ifndef EBUSY #define EBUSY 16 #endif #ifndef ENODEV #define ENODEV 19 #endif #ifndef EINVAL #define EINVAL 22 #endif #ifndef EBADF #define EBADF 9 #endif #ifndef EACCESS #define EACCESS 13 #endif #ifndef EXDEV #define EXDEV 18 #endif #ifndef ENOENT #define ENOENT 2 #endif #ifndef ENOSPC #define ENOSPC 28 #endif #ifndef ENOTEMPTY #define ENOTEMPTY 39 #endif #ifndef ENOMEM #define ENOMEM 12 #endif #ifndef EEXIST #define EEXIST 17 #endif #ifndef ENOTDIR #define ENOTDIR 20 #endif #ifndef EISDIR #define EISDIR 21 #endif // Mode flags #ifndef S_IFMT #define S_IFMT 0170000 #endif #ifndef S_IFLNK #define S_IFLNK 0120000 #endif #ifndef S_IFDIR #define S_IFDIR 0040000 #endif #ifndef S_IFREG #define S_IFREG 0100000 #endif #ifndef S_IREAD #define S_IREAD 0000400 #endif #ifndef S_IWRITE #define S_IWRITE 0000200 #endif struct yaffs_dirent{ long d_ino; /* inode number */ off_t d_off; /* offset to this dirent */ unsigned short d_reclen; /* length of this d_name */ char d_name [NAME_MAX+1]; /* file name (null-terminated) */ unsigned d_dont_use; /* debug pointer, not for public consumption */ }; typedef struct yaffs_dirent yaffs_dirent; typedef struct __opaque yaffs_DIR; struct yaffs_stat{ int st_dev; /* device */ int st_ino; /* inode */ mode_t st_mode; /* protection */ int st_nlink; /* number of hard links */ int st_uid; /* user ID of owner */ int st_gid; /* group ID of owner */ unsigned st_rdev; /* device type (if inode device) */ off_t st_size; /* total size, in bytes */ unsigned long st_blksize; /* blocksize for filesystem I/O */ unsigned long st_blocks; /* number of blocks allocated */ unsigned long yst_atime; /* time of last access */ unsigned long yst_mtime; /* time of last modification */ unsigned long yst_ctime; /* time of last change */ }; int yaffs_open(const char *path, int oflag, int mode) ; int yaffs_read(int fd, void *buf, unsigned int nbyte) ; int yaffs_write(int fd, const void *buf, unsigned int nbyte) ; int yaffs_close(int fd) ; off_t yaffs_lseek(int fd, off_t offset, int whence) ; int yaffs_truncate(int fd, off_t newSize); int yaffs_unlink(const char *path) ; int yaffs_rename(const char *oldPath, const char *newPath) ; int yaffs_stat(const char *path, struct yaffs_stat *buf) ; int yaffs_lstat(const char *path, struct yaffs_stat *buf) ; int yaffs_fstat(int fd, struct yaffs_stat *buf) ; int yaffs_chmod(const char *path, mode_t mode); int yaffs_fchmod(int fd, mode_t mode); int yaffs_mkdir(const char *path, mode_t mode) ; int yaffs_rmdir(const char *path) ; yaffs_DIR *yaffs_opendir(const char *dirname) ; struct yaffs_dirent *yaffs_readdir(yaffs_DIR *dirp) ; void yaffs_rewinddir(yaffs_DIR *dirp) ; int yaffs_closedir(yaffs_DIR *dirp) ; int yaffs_mount(const char *path) ; int yaffs_unmount(const char *path) ; int yaffs_symlink(const char *oldpath, const char *newpath); int yaffs_readlink(const char *path, char *buf, int bufsiz); int yaffs_link(const char *oldpath, const char *newpath); int yaffs_mknod(const char *pathname, mode_t mode, dev_t dev); loff_t yaffs_freespace(const char *path); void yaffs_initialise(yaffsfs_DeviceConfiguration *configList); int yaffs_StartUp(void); #endif