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Annotation of qemu/roms/openbios/include/fs/fs.h, revision 1.1

1.1     ! root        1: /*
        !             2:  *   Creation Date: <2001/05/06 17:12:45 samuel>
        !             3:  *   Time-stamp: <2003/10/22 11:43:45 samuel>
        !             4:  *
        !             5:  *     <fs_loader.h>
        !             6:  *
        !             7:  *     Generic file system access
        !             8:  *
        !             9:  *   Copyright (C) 2001, 2002, 2003 Samuel Rydh ([email protected])
        !            10:  *
        !            11:  *   This program is free software; you can redistribute it and/or
        !            12:  *   modify it under the terms of the GNU General Public License
        !            13:  *   as published by the Free Software Foundation
        !            14:  *
        !            15:  */
        !            16: 
        !            17: #ifndef _H_FS
        !            18: #define _H_FS
        !            19: 
        !            20: 
        !            21: typedef struct fs_ops          fs_ops_t;
        !            22: typedef struct opaque_struct   file_desc_t;
        !            23: 
        !            24: #define fs_open_path( fs, path )       (fs)->open_path( fs, path )
        !            25: #define fs_search_rom( fs )            (fs)->search_rom( fs )
        !            26: #define fs_search_file( fs, name )     (fs)->search_file( fs, name )
        !            27: #define fs_vol_name( fs, buf, size )   (fs)->vol_name( fs, buf, size )
        !            28: 
        !            29: struct fs_ops {
        !            30:        void            *fs_data;
        !            31:        int             fd;             /* owner block device */
        !            32:        int             type;
        !            33: 
        !            34:        void            (*close_fs)( fs_ops_t *fs );
        !            35:        file_desc_t     *(*open_path)( fs_ops_t *fs, const char *path );
        !            36:        file_desc_t     *(*search_rom)( fs_ops_t *fs );
        !            37:        file_desc_t     *(*search_file)( fs_ops_t *fs, const char *name );
        !            38:        char            *(*vol_name)( fs_ops_t *fs, char *buf, int size );
        !            39: 
        !            40:        /* file ops */
        !            41:        void            (*close)( file_desc_t *file );
        !            42:        int             (*read)( file_desc_t *file, void *buf, size_t count );
        !            43:        int             (*lseek)( file_desc_t *file, off_t offset, int whence );
        !            44:        char            *(*get_path)( file_desc_t *file, char *buf, int len );
        !            45:        void            (*dir)( file_desc_t *file );
        !            46: 
        !            47:         const char             *(*get_fstype)( fs_ops_t *fs );
        !            48: };
        !            49: 
        !            50: extern fs_ops_t                *fs_open( int fs_type, int fd );
        !            51: extern void            fs_close( fs_ops_t *fs );
        !            52: const char             *fs_get_name( fs_ops_t *fs );
        !            53: 
        !            54: #ifdef CONFIG_HFSP
        !            55: extern int             fs_hfsp_open( int fd, fs_ops_t *fs );
        !            56: extern int             fs_hfsp_probe( int fd, long long offs );
        !            57: #else
        !            58: static inline int      fs_hfsp_open( int fd, fs_ops_t *fs ) { return -1; }
        !            59: static inline int      fs_hfsp_probe( int fd, long long offs ) { return -1; }
        !            60: #endif
        !            61: 
        !            62: #ifdef CONFIG_HFS
        !            63: extern int             fs_hfs_open( int fd, fs_ops_t *fs );
        !            64: extern int             fs_hfs_probe( int fd, long long offs );
        !            65: #else
        !            66: static inline int      fs_hfs_open( int fd, fs_ops_t *fs ) { return -1; }
        !            67: static inline int      fs_hfs_probe( int fd, long long offs ) { return -1; }
        !            68: #endif
        !            69: 
        !            70: #ifdef CONFIG_ISO9660
        !            71: extern int             fs_iso9660_open( int fd, fs_ops_t *fs );
        !            72: extern int             fs_iso9660_probe( int fd, long long offs );
        !            73: #else
        !            74: static inline int      fs_iso9660_open( int fd, fs_ops_t *fs ) { return -1; }
        !            75: static inline int      fs_iso9660_probe( int fd, long long offs ) { return -1; }
        !            76: #endif
        !            77: 
        !            78: #ifdef CONFIG_EXT2
        !            79: extern int             fs_ext2_open( int fd, fs_ops_t *fs );
        !            80: extern int             fs_ext2_probe( int fd, long long offs );
        !            81: #else
        !            82: static inline int      fs_ext2_open( int fd, fs_ops_t *fs ) { return -1; }
        !            83: static inline int      fs_ext2_probe( int fd, long long offs ) { return -1; }
        !            84: #endif
        !            85: 
        !            86: #ifdef CONFIG_GRUBFS
        !            87: extern int             fs_grubfs_open( int fd, fs_ops_t *fs );
        !            88: extern int             fs_grubfs_probe( int fd, long long offs );
        !            89: #else
        !            90: static inline int      fs_grubfs_open( int fd, fs_ops_t *fs ) { return -1; }
        !            91: static inline int      fs_grubfs_probe( int fd, long long offs ) { return -1; }
        !            92: #endif
        !            93: 
        !            94: 
        !            95: 
        !            96: /* misc */
        !            97: extern char            *get_hfs_vol_name( int fd, char *buf, int size );
        !            98: 
        !            99: 
        !           100: #endif   /* _H_FS */

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