FreeBSD/Linux Kernel Cross Reference
sys/fs/cd9660/cd9660_extern.h

     /*      $NetBSD: cd9660_extern.h,v 1.7.2.1 2004/05/23 10:45:11 tron Exp $       */
     
     /*-
      * Copyright (c) 1994
      *      The Regents of the University of California.  All rights reserved.
      *
      * This code is derived from software contributed to Berkeley
      * by Pace Willisson (pace@blitz.com).  The Rock Ridge Extension
      * Support code is derived from software contributed to Berkeley
     * by Atsushi Murai (amurai@spec.co.jp).
     *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. Neither the name of the University nor the names of its contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     *      @(#)iso.h       8.4 (Berkeley) 12/5/94
     */
    
    /*
     * Definitions used in the kernel for cd9660 file system support.
     */
    
    #include <sys/mallocvar.h>
    MALLOC_DECLARE(M_ISOFSMNT);
    
    /* CD-ROM Format type */
    enum ISO_FTYPE  { ISO_FTYPE_DEFAULT, ISO_FTYPE_9660, ISO_FTYPE_RRIP, ISO_FTYPE_ECMA };
    
    #ifndef ISOFSMNT_ROOT
    #define ISOFSMNT_ROOT   0
    #endif
    
    struct iso_mnt {
            int im_flags;
            int im_joliet_level;
    
            struct mount *im_mountp;
            dev_t im_dev;
            struct vnode *im_devvp;
    
            int logical_block_size;
            int im_bshift;
            int im_bmask;
            
            int volume_space_size;
            struct netexport im_export;
            
            char root[ISODCL (157, 190)];
            int root_extent;
            int root_size;
            enum ISO_FTYPE  iso_ftype;
            
            int rr_skip;
            int rr_skip0;
    };
    
    #define VFSTOISOFS(mp)  ((struct iso_mnt *)((mp)->mnt_data))
    
    #define blkoff(imp, loc)        ((loc) & (imp)->im_bmask)
    #define lblktosize(imp, blk)    ((blk) << (imp)->im_bshift)
    #define lblkno(imp, loc)        ((loc) >> (imp)->im_bshift)
    #define blksize(imp, ip, lbn)   ((imp)->logical_block_size)
    
    extern struct pool cd9660_node_pool;
    
    int cd9660_mount __P((struct mount *,
                const char *, void *, struct nameidata *, struct proc *));
    int cd9660_start __P((struct mount *, int, struct proc *));
    int cd9660_unmount __P((struct mount *, int, struct proc *));
    int cd9660_root __P((struct mount *, struct vnode **));
    int cd9660_quotactl __P((struct mount *, int, uid_t, caddr_t, struct proc *));
    int cd9660_statfs __P((struct mount *, struct statfs *, struct proc *));
    int cd9660_sync __P((struct mount *, int, struct ucred *, struct proc *));
    int cd9660_vget __P((struct mount *, ino_t, struct vnode **));
    int cd9660_fhtovp __P((struct mount *, struct fid *, struct vnode **));
    int cd9660_check_export __P((struct mount *, struct mbuf *, int *,
                struct ucred **));
    int cd9660_vptofh __P((struct vnode *, struct fid *));
    void cd9660_init __P((void));
   void cd9660_reinit __P((void));
   void cd9660_done __P((void));
   
   #ifdef SYSCTL_SETUP_PROTO
   SYSCTL_SETUP_PROTO(sysctl_vfs_cd9660_setup);
   #endif /* SYSCTL_SETUP_PROTO */
   
   int cd9660_mountroot __P((void)); 
   
   extern int (**cd9660_vnodeop_p) __P((void *));
   extern int (**cd9660_specop_p) __P((void *));
   extern int (**cd9660_fifoop_p) __P((void *));
   
   int isochar __P((const u_char *, const u_char *, int, u_char *));
   int isofncmp __P((const u_char *, int, const u_char *, int, int));
   void isofntrans __P((u_char *, int, u_char *, u_short *, int, int, int, int));
   ino_t isodirino __P((struct iso_directory_record *, struct iso_mnt *));

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