X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=direct%2Fyaffsfs.h;h=ba3f87fb256001a3b240c80f8c33ced4e9b1bfd0;hp=e0949593d7281e6742c0b13e9389b4655449c11f;hb=e81a96058aa89f6812e3c5224e26b4b44da3c143;hpb=7396445d7d0d13469b9505791114b9dc6b76ffe4 diff --git a/direct/yaffsfs.h b/direct/yaffsfs.h index e094959..ba3f87f 100644 --- a/direct/yaffsfs.h +++ b/direct/yaffsfs.h @@ -1,7 +1,7 @@ /* - * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. * - * Copyright (C) 2002-2010 Aleph One Ltd. + * Copyright (C) 2002-2011 Aleph One Ltd. * for Toby Churchill Ltd and Brightstar Engineering * * Created by Charles Manning @@ -26,55 +26,63 @@ #include "yportenv.h" -//typedef long off_t; -//typedef long dev_t; -//typedef unsigned long mode_t; - - #ifndef NAME_MAX #define NAME_MAX 256 #endif +#define YAFFS_MAX_FILE_SIZE \ + ( (sizeof(Y_LOFF_T) < 8) ? YAFFS_MAX_FILE_SIZE_32 : (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 d_name */ - YUCHAR d_type; /* type of this record */ - YCHAR 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; +#ifdef __cplusplus +extern "C" +{ +#endif -typedef struct __opaque yaffs_DIR; +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) */ - 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 */ + +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) */ + Y_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]; + 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 */ + 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) ; @@ -89,13 +97,13 @@ 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, unsigned int offset); -int yaffs_pwrite(int fd, const void *buf, unsigned int nbyte, unsigned int offset); +int yaffs_pread(int fd, void *buf, unsigned int nbyte, Y_LOFF_T offset); +int yaffs_pwrite(int fd, const void *buf, unsigned int nbyte, Y_LOFF_T offset); -off_t yaffs_lseek(int fd, off_t offset, int whence) ; +Y_LOFF_T yaffs_lseek(int fd, Y_LOFF_T offset, int whence) ; -int yaffs_truncate(const YCHAR *path, off_t new_size); -int yaffs_ftruncate(int fd, off_t new_size); +int yaffs_truncate(const YCHAR *path, Y_LOFF_T new_size); +int yaffs_ftruncate(int fd, Y_LOFF_T new_size); int yaffs_unlink(const YCHAR *path) ; int yaffs_rename(const YCHAR *oldPath, const YCHAR *newPath) ; @@ -104,13 +112,23 @@ 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_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_utime(const YCHAR *path, const struct yaffs_utimbuf *buf); +int yaffs_futime(int fd, const struct yaffs_utimbuf *buf); + -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_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); @@ -123,13 +141,19 @@ 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); +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_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) ; @@ -141,6 +165,8 @@ 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); @@ -148,14 +174,14 @@ 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_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_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); +Y_LOFF_T yaffs_freespace(const YCHAR *path); +Y_LOFF_T yaffs_totalspace(const YCHAR *path); int yaffs_inodecount(const YCHAR *path); @@ -163,22 +189,35 @@ 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) ; +int yaffs_open_sharing(const YCHAR *path, int oflag, int mode, int shareMode); - -struct yaffs_dev_s; -void yaffs_add_device(struct yaffs_dev_s *dev); +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); +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); + +#ifdef __cplusplus +} #endif +#endif