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Diffstat (limited to 'filesystem/dfs/include/dfs_def.h')
| -rw-r--r-- | filesystem/dfs/include/dfs_def.h | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/filesystem/dfs/include/dfs_def.h b/filesystem/dfs/include/dfs_def.h new file mode 100644 index 0000000000..27b05e20e0 --- /dev/null +++ b/filesystem/dfs/include/dfs_def.h @@ -0,0 +1,173 @@ +/* ++------------------------------------------------------------------------------ +| Device FileSystem ++------------------------------------------------------------------------------ +| Copyright 2004, 2005 www.fayfayspace.org. +| All rights reserved. +|------------------------------------------------------------------------------ +| File : dfs_def.h, the definitions of Device FileSystem +|------------------------------------------------------------------------------ +| Chang Logs: +| Date Author notes +| 2004-10-01 ffxz The first version. +| 2004-10-14 ffxz Clean up the code. +| 2005-01-22 ffxz Clean up the code, port to MinGW ++------------------------------------------------------------------------------ +*/ + +#ifndef __DFS_DEF_H__ +#define __DFS_DEF_H__ + +#include <rtthread.h> +#include <dfs_config.h> + +#if defined(RT_USING_NEWLIB) || defined (RT_USING_MINILIBC) +#include <string.h> +#endif + +#ifndef __D_FS__ +#define __D_FS__ +#endif + +/* Device error codes */ +#define DFS_STATUS_ENOENT 2 /* No such file or directory */ +#define DFS_STATUS_EIO 5 /* I/O error */ +#define DFS_STATUS_ENXIO 6 /* No such device or address */ +#define DFS_STATUS_EBADF 9 /* Bad file number */ +#define DFS_STATUS_EAGIAN 11 /* Try again */ +#define DFS_STATUS_ENOMEM 12 /* no memory */ +#define DFS_STATUS_EBUSY 16 /* Device or resource busy */ +#define DFS_STATUS_EEXIST 17 /* File exists */ +#define DFS_STATUS_EXDEV 18 /* Cross-device link */ +#define DFS_STATUS_ENODEV 19 /* No such device */ +#define DFS_STATUS_ENOTDIR 20 /* Not a directory */ +#define DFS_STATUS_EISDIR 21 /* Is a directory */ +#define DFS_STATUS_EINVAL 22 /* Invalid argument */ +#define DFS_STATUS_ENOSPC 28 /* No space left on device */ +#define DFS_STATUS_EROFS 30 /* Read-only file system */ +#define DFS_STATUS_ENOSYS 38 /* Function not implemented */ +#define DFS_STATUS_ENOTEMPTY 39 /* Directory not empty */ +#define DFS_STATUS_EMMOUNT 128 /* Filesystem table full */ + +/* Operation flags */ +#define DFS_O_RDONLY 0000000 +#define DFS_O_WRONLY 0000001 +#define DFS_O_RDWR 0000002 +#define DFS_O_ACCMODE 0000003 +#define DFS_O_CREAT 0000100 +#define DFS_O_EXCL 0000200 +#define DFS_O_TRUNC 0001000 +#define DFS_O_APPEND 0002000 +#define DFS_O_DIRECTORY 0200000 + +/* File flags */ +#define DFS_F_OPEN 0x01000000 +#define DFS_F_DIRECTORY 0x02000000 +#define DFS_F_EOF 0x04000000 +#define DFS_F_ERR 0x08000000 + +/* Seek flags */ +#define DFS_SEEK_SET 0 +#define DFS_SEEK_CUR 1 +#define DFS_SEEK_END 2 + +/* Stat codes */ +#define DFS_S_IFMT 00170000 +#define DFS_S_IFSOCK 0140000 +#define DFS_S_IFLNK 0120000 +#define DFS_S_IFREG 0100000 +#define DFS_S_IFBLK 0060000 +#define DFS_S_IFDIR 0040000 +#define DFS_S_IFCHR 0020000 +#define DFS_S_IFIFO 0010000 +#define DFS_S_ISUID 0004000 +#define DFS_S_ISGID 0002000 +#define DFS_S_ISVTX 0001000 + +#define DFS_S_ISLNK(m) (((m) & DFS_S_IFMT) == DFS_S_IFLNK) +#define DFS_S_ISREG(m) (((m) & DFS_S_IFMT) == DFS_S_IFREG) +#define DFS_S_ISDIR(m) (((m) & DFS_S_IFMT) == DFS_S_IFDIR) +#define DFS_S_ISCHR(m) (((m) & DFS_S_IFMT) == DFS_S_IFCHR) +#define DFS_S_ISBLK(m) (((m) & DFS_S_IFMT) == DFS_S_IFBLK) +#define DFS_S_ISFIFO(m) (((m) & DFS_S_IFMT) == DFS_S_IFIFO) +#define DFS_S_ISSOCK(m) (((m) & DFS_S_IFMT) == DFS_S_IFSOCK) + +#define DFS_S_IRWXU 00700 +#define DFS_S_IRUSR 00400 +#define DFS_S_IWUSR 00200 +#define DFS_S_IXUSR 00100 + +#define DFS_S_IRWXG 00070 +#define DFS_S_IRGRP 00040 +#define DFS_S_IWGRP 00020 +#define DFS_S_IXGRP 00010 + +#define DFS_S_IRWXO 00007 +#define DFS_S_IROTH 00004 +#define DFS_S_IWOTH 00002 +#define DFS_S_IXOTH 00001 + +#define DEVICE_GETGEOME 0 +#define DEVICE_GETINFO 1 +#define DEVICE_FORMAT 2 +#define DEVICE_CLEAN_SECTOR 3 + +struct device_geometry +{ + rt_uint32_t sector_count; /* count of sectors */ + rt_uint32_t cylinder_count; /* count of cylinder */ + rt_uint32_t sectors_per_track; /* number of sectors per track */ + rt_uint32_t head_count; /* count of head */ + rt_uint32_t bytes_per_sector; /* number of bytes per sector */ +}; + +struct dfs_stat +{ + rt_device_t st_dev; + rt_uint16_t st_mode; + rt_uint32_t st_size; + rt_time_t st_mtime; + rt_uint32_t st_blksize; +}; +#define stat dfs_stat + +/* File types */ +#define FT_REGULAR 0 +#define FT_SOCKET 1 +#define FT_DIRECTORY 2 + +/* file descriptor */ +struct dfs_fd +{ + char path[DFS_PATH_MAX + 1];/* Name (below mount point) */ + int type; /* Type (regular or socket) */ + int ref_count; /* Descriptor reference count */ + + struct dfs_filesystem* fs; /* Resident file system */ + + rt_uint32_t flags; /* Descriptor flags */ + rt_size_t size; /* Size in bytes */ + rt_off_t pos; /* Current file position */ + + void *data; /* Specific file system data */ +}; + +#define DFS_DT_UNKNOWN 0x00 +#define DFS_DT_REG 0x01 +#define DFS_DT_DIR 0x02 + +struct dfs_dirent +{ + rt_uint8_t d_type; /* The type of the file */ + rt_uint8_t d_namlen; /* The length of the not including the terminating null file name */ + rt_uint16_t d_reclen; /* length of this record */ + char d_name[256]; /* The null-terminated file name */ +}; +#define dirent dfs_dirent + +struct dfs_session +{ + rt_mailbox_t mbox; +}; + +#endif |