diff options
Diffstat (limited to 'components/dfs/include/dfs_fs.h')
| -rw-r--r-- | components/dfs/include/dfs_fs.h | 72 |
1 files changed, 38 insertions, 34 deletions
diff --git a/components/dfs/include/dfs_fs.h b/components/dfs/include/dfs_fs.h index 90a5b50d69..8d77a252e0 100644 --- a/components/dfs/include/dfs_fs.h +++ b/components/dfs/include/dfs_fs.h @@ -1,7 +1,7 @@ /* * File : dfs_fs.h * This file is part of Device File System in RT-Thread RTOS - * COPYRIGHT (C) 2004-2011, RT-Thread Development Team + * COPYRIGHT (C) 2004-2012, RT-Thread Development Team * * The license and distribution terms for this file may be * found in the file LICENSE in this distribution or at @@ -17,8 +17,8 @@ #include <dfs_def.h> -#define DFS_FS_FLAG_DEFAULT 0x00 /* default flag */ -#define DFS_FS_FLAG_FULLPATH 0x01 /* set full path to underlaying file system */ +#define DFS_FS_FLAG_DEFAULT 0x00 /* default flag */ +#define DFS_FS_FLAG_FULLPATH 0x01 /* set full path to underlaying file system */ /* Pre-declaration */ struct dfs_filesystem; @@ -27,58 +27,62 @@ struct dfs_fd; /* File system operations struct */ struct dfs_filesystem_operation { - char *name; - rt_uint32_t flags; /* flags for file system operations */ + char *name; + rt_uint32_t flags; /* flags for file system operations */ - /* mount and unmount file system */ - int (*mount) (struct dfs_filesystem *fs, unsigned long rwflag, const void *data); - int (*unmount) (struct dfs_filesystem *fs); + /* mount and unmount file system */ + int (*mount) (struct dfs_filesystem *fs, unsigned long rwflag, const void *data); + int (*unmount) (struct dfs_filesystem *fs); - /* make a file system */ - int (*mkfs) (const char *device_name); - int (*statfs) (struct dfs_filesystem *fs, struct statfs *buf); + /* make a file system */ + int (*mkfs) (const char *device_name); + int (*statfs) (struct dfs_filesystem *fs, struct statfs *buf); - int (*open) (struct dfs_fd *fd); - int (*close) (struct dfs_fd *fd); - int (*ioctl) (struct dfs_fd *fd, int cmd, void *args); - int (*read) (struct dfs_fd *fd, void *buf, rt_size_t count); - int (*write) (struct dfs_fd *fd, const void *buf, rt_size_t count); - int (*flush) (struct dfs_fd *fd); - int (*lseek) (struct dfs_fd *fd, rt_off_t offset); - int (*getdents) (struct dfs_fd *fd, struct dirent *dirp, rt_uint32_t count); + int (*open) (struct dfs_fd *fd); + int (*close) (struct dfs_fd *fd); + int (*ioctl) (struct dfs_fd *fd, int cmd, void *args); + int (*read) (struct dfs_fd *fd, void *buf, rt_size_t count); + int (*write) (struct dfs_fd *fd, const void *buf, rt_size_t count); + int (*flush) (struct dfs_fd *fd); + int (*lseek) (struct dfs_fd *fd, rt_off_t offset); + int (*getdents) (struct dfs_fd *fd, struct dirent *dirp, rt_uint32_t count); - int (*unlink) (struct dfs_filesystem *fs, const char *pathname); - int (*stat) (struct dfs_filesystem *fs, const char *filename, struct stat *buf); - int (*rename) (struct dfs_filesystem *fs, const char *oldpath, const char *newpath); + int (*unlink) (struct dfs_filesystem *fs, const char *pathname); + int (*stat) (struct dfs_filesystem *fs, const char *filename, struct stat *buf); + int (*rename) (struct dfs_filesystem *fs, const char *oldpath, const char *newpath); }; /* Mounted file system */ struct dfs_filesystem { - rt_device_t dev_id; /* Attached device */ + rt_device_t dev_id; /* Attached device */ - char *path; /* File system mount point */ - const struct dfs_filesystem_operation *ops; /* Operations for file system type */ + char *path; /* File system mount point */ + const struct dfs_filesystem_operation *ops; /* Operations for file system type */ - void *data; /* Specific file system data */ + void *data; /* Specific file system data */ }; /* file system partition table */ struct dfs_partition { - rt_uint8_t type; /* file system type */ - rt_off_t offset; /* partition start offset */ - rt_size_t size; /* partition size */ - rt_sem_t lock; + rt_uint8_t type; /* file system type */ + rt_off_t offset; /* partition start offset */ + rt_size_t size; /* partition size */ + rt_sem_t lock; }; int dfs_register(const struct dfs_filesystem_operation *ops); struct dfs_filesystem *dfs_filesystem_lookup(const char *path); -rt_err_t dfs_filesystem_get_partition(struct dfs_partition *part, rt_uint8_t *buf, rt_uint32_t pindex); +rt_err_t dfs_filesystem_get_partition(struct dfs_partition *part, + rt_uint8_t *buf, + rt_uint32_t pindex); -int dfs_mount(const char *device_name, const char *path, - const char *filesystemtype, rt_uint32_t rwflag, const - void *data); +int dfs_mount(const char *device_name, + const char *path, + const char *filesystemtype, + rt_uint32_t rwflag, + const void *data); int dfs_unmount(const char *specialfile); /* extern variable */ |