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- /*
- * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
- *
- * Copyright (C) 2002-2011 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"
- #ifndef NAME_MAX
- #define NAME_MAX 256
- #endif
- #define YAFFS_MAX_FILE_SIZE (0x800000000LL - 1)
- struct yaffs_dirent {
- long d_ino; /* inode number */
- off_t d_off; /* offset to this dirent */
- unsigned short d_reclen; /* length of this dirent */
- YUCHAR d_type; /* type of this record */
- YCHAR d_name[NAME_MAX+1]; /* file name (null-terminated) */
- unsigned d_dont_use; /* debug: not for public consumption */
- };
- typedef struct opaque_structure yaffs_DIR;
- struct yaffs_stat {
- int st_dev; /* device */
- int st_ino; /* inode */
- unsigned 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) */
- loff_t st_size; /* total size, in bytes */
- unsigned long st_blksize; /* blocksize for filesystem I/O */
- unsigned long st_blocks; /* number of blocks allocated */
- #ifdef CONFIG_YAFFS_WINCE
- /* Special 64-bit times for WinCE */
- unsigned long yst_wince_atime[2];
- unsigned long yst_wince_mtime[2];
- unsigned long yst_wince_ctime[2];
- #else
- unsigned long yst_atime; /* time of last access */
- unsigned long yst_mtime; /* time of last modification */
- unsigned long yst_ctime; /* time of last change */
- #endif
- };
- struct yaffs_utimbuf {
- unsigned long actime;
- unsigned long modtime;
- };
- int yaffs_open(const YCHAR *path, int oflag, int mode) ;
- int yaffs_close(int fd) ;
- int yaffs_fsync(int fd) ;
- int yaffs_fdatasync(int fd) ;
- int yaffs_flush(int fd) ; /* same as yaffs_fsync() */
- int yaffs_access(const YCHAR *path, int amode);
- int yaffs_dup(int fd);
- int yaffs_read(int fd, void *buf, unsigned int nbyte) ;
- int yaffs_write(int fd, const void *buf, unsigned int nbyte) ;
- int yaffs_pread(int fd, void *buf, unsigned int nbyte, loff_t offset);
- int yaffs_pwrite(int fd, const void *buf, unsigned int nbyte, loff_t offset);
- loff_t yaffs_lseek(int fd, loff_t offset, int whence) ;
- int yaffs_truncate(const YCHAR *path, loff_t new_size);
- int yaffs_ftruncate(int fd, loff_t new_size);
- int yaffs_unlink(const YCHAR *path) ;
- int yaffs_rename(const YCHAR *oldPath, const YCHAR *newPath) ;
- int yaffs_stat(const YCHAR *path, struct yaffs_stat *buf) ;
- int yaffs_lstat(const YCHAR *path, struct yaffs_stat *buf) ;
- int yaffs_fstat(int fd, struct yaffs_stat *buf) ;
- int yaffs_utime(const YCHAR *path, const struct yaffs_utimbuf *buf);
- int yaffs_futime(int fd, const struct yaffs_utimbuf *buf);
- int yaffs_setxattr(const char *path, const char *name,
- const void *data, int size, int flags);
- int yaffs_lsetxattr(const char *path, const char *name,
- const void *data, int size, int flags);
- int yaffs_fsetxattr(int fd, const char *name,
- const void *data, int size, int flags);
- int yaffs_getxattr(const char *path, const char *name,
- void *data, int size);
- int yaffs_lgetxattr(const char *path, const char *name,
- void *data, int size);
- int yaffs_fgetxattr(int fd, const char *name,
- void *data, int size);
- int yaffs_removexattr(const char *path, const char *name);
- int yaffs_lremovexattr(const char *path, const char *name);
- int yaffs_fremovexattr(int fd, const char *name);
- int yaffs_listxattr(const char *path, char *list, int size);
- int yaffs_llistxattr(const char *path, char *list, int size);
- int yaffs_flistxattr(int fd, char *list, int size);
- #ifdef CONFIG_YAFFS_WINCE
- int yaffs_set_wince_times(int fd,
- const unsigned *wctime,
- const unsigned *watime,
- const unsigned *wmtime);
- int yaffs_get_wince_times(int fd,
- unsigned *wctime,
- unsigned *watime,
- unsigned *wmtime);
- #endif
- int yaffs_chmod(const YCHAR *path, mode_t mode);
- int yaffs_fchmod(int fd, mode_t mode);
- int yaffs_mkdir(const YCHAR *path, mode_t mode) ;
- int yaffs_rmdir(const YCHAR *path) ;
- yaffs_DIR *yaffs_opendir(const YCHAR *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 YCHAR *path) ;
- int yaffs_mount2(const YCHAR *path, int read_only);
- int yaffs_mount_common(const YCHAR *path, int read_only, int skip_checkpt);
- int yaffs_unmount(const YCHAR *path) ;
- int yaffs_unmount2(const YCHAR *path, int force);
- int yaffs_remount(const YCHAR *path, int force, int read_only);
- int yaffs_sync(const YCHAR *path) ;
- int yaffs_symlink(const YCHAR *oldpath, const YCHAR *newpath);
- int yaffs_readlink(const YCHAR *path, YCHAR *buf, int bufsiz);
- int yaffs_link(const YCHAR *oldpath, const YCHAR *newpath);
- int yaffs_mknod(const YCHAR *pathname, mode_t mode, dev_t dev);
- loff_t yaffs_freespace(const YCHAR *path);
- loff_t yaffs_totalspace(const YCHAR *path);
- int yaffs_inodecount(const YCHAR *path);
- int yaffs_n_handles(const YCHAR *path);
- #define YAFFS_SHARE_READ 1
- #define YAFFS_SHARE_WRITE 2
- int yaffs_open_sharing(const YCHAR *path, int oflag, int mode, int shareMode);
- struct yaffs_dev;
- void yaffs_add_device(struct yaffs_dev *dev);
- int yaffs_start_up(void);
- int yaffsfs_GetLastError(void);
- /* Functions to iterate through devices. NB Use with extreme care! */
- void yaffs_dev_rewind(void);
- struct yaffs_dev *yaffs_next_dev(void);
- /* Function to get the last error */
- int yaffs_get_error(void);
- const char *yaffs_error_to_str(int err);
- /* Function only for debugging */
- void *yaffs_getdev(const YCHAR *path);
- int yaffs_dump_dev(const YCHAR *path);
- int yaffs_set_error(int error);
- /* Trace control functions */
- unsigned yaffs_set_trace(unsigned tm);
- unsigned yaffs_get_trace(void);
- #endif
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