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cd9660_extern.h

/*    $OpenBSD: cd9660_extern.h,v 1.8 2003/06/02 23:28:05 millert Exp $ */
/*    $NetBSD: cd9660_extern.h,v 1.1 1997/01/24 00:24:53 cgd 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.
 */

/* 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;

      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;

      int joliet_level;
};

#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)

int cd9660_mount(struct mount *, const char *, void *,
                      struct nameidata *, struct proc *);
int cd9660_start(struct mount *, int, struct proc *);
int cd9660_unmount(struct mount *, int, struct proc *);
int cd9660_root(struct mount *, struct vnode **);
int cd9660_quotactl(struct mount *, int, uid_t, caddr_t, struct proc *);
int cd9660_statfs(struct mount *, struct statfs *, struct proc *);
int cd9660_sync(struct mount *, int, struct ucred *, struct proc *);
int cd9660_vget(struct mount *, ino_t, struct vnode **);
int cd9660_fhtovp(struct mount *, struct fid *, struct vnode **);
int cd9660_vptofh(struct vnode *, struct fid *);
int cd9660_init(struct vfsconf *);
int cd9660_check_export(struct mount *, struct mbuf *, int *,
                             struct ucred **);
#define cd9660_sysctl ((int (*)(int *, u_int, void *, size_t *, void *, \
                                    size_t, struct proc *))eopnotsupp)

int cd9660_mountroot(void); 

extern int (**cd9660_vnodeop_p)(void *);
extern int (**cd9660_specop_p)(void *);
#ifdef FIFO
extern int (**cd9660_fifoop_p)(void *);
#endif

int isochar(const u_char *, const u_char *, int, u_char *);
int isofncmp(const u_char *, int, const u_char *, int, int);
void isofntrans(u_char *, int, u_char *, u_short *, int, int, int);
ino_t isodirino(struct iso_directory_record *, struct iso_mnt *);

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