1/*	$OpenBSD: cd9660_extern.h,v 1.16 2023/07/17 09:41:20 semarie Exp $	*/
2/*	$NetBSD: cd9660_extern.h,v 1.1 1997/01/24 00:24:53 cgd Exp $	*/
3
4/*-
5 * Copyright (c) 1994
6 *	The Regents of the University of California.  All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley
9 * by Pace Willisson (pace@blitz.com).  The Rock Ridge Extension
10 * Support code is derived from software contributed to Berkeley
11 * by Atsushi Murai (amurai@spec.co.jp).
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 *    notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 *    notice, this list of conditions and the following disclaimer in the
20 *    documentation and/or other materials provided with the distribution.
21 * 3. Neither the name of the University nor the names of its contributors
22 *    may be used to endorse or promote products derived from this software
23 *    without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 *	@(#)iso.h	8.4 (Berkeley) 12/5/94
38 */
39
40/*
41 * Definitions used in the kernel for cd9660 file system support.
42 */
43
44/* CD-ROM Format type */
45enum ISO_FTYPE  { ISO_FTYPE_DEFAULT, ISO_FTYPE_9660, ISO_FTYPE_RRIP, ISO_FTYPE_ECMA };
46
47#ifndef	ISOFSMNT_ROOT
48#define	ISOFSMNT_ROOT	0
49#endif
50
51struct iso_mnt {
52	int im_flags;
53
54	struct mount *im_mountp;
55	dev_t im_dev;
56	struct vnode *im_devvp;
57
58	int logical_block_size;
59	int im_bshift;
60	int im_bmask;
61
62	int volume_space_size;
63	struct netexport im_export;
64
65	char root[ISODCL (157, 190)];
66	int root_extent;
67	int root_size;
68	enum ISO_FTYPE  iso_ftype;
69
70	int rr_skip;
71	int rr_skip0;
72
73	int joliet_level;
74};
75
76#define VFSTOISOFS(mp)	((struct iso_mnt *)((mp)->mnt_data))
77
78#define blkoff(imp, loc)	((loc) & (imp)->im_bmask)
79#define lblktosize(imp, blk)	((blk) << (imp)->im_bshift)
80#define lblkno(imp, loc)	((loc) >> (imp)->im_bshift)
81#define blksize(imp, ip, lbn)	((imp)->logical_block_size)
82
83int cd9660_mount(struct mount *, const char *, void *,
84                      struct nameidata *, struct proc *);
85int cd9660_start(struct mount *, int, struct proc *);
86int cd9660_unmount(struct mount *, int, struct proc *);
87int cd9660_root(struct mount *, struct vnode **);
88int cd9660_quotactl(struct mount *, int, uid_t, caddr_t, struct proc *);
89int cd9660_statfs(struct mount *, struct statfs *, struct proc *);
90int cd9660_sync(struct mount *, int, int, struct ucred *, struct proc *);
91int cd9660_vget(struct mount *, ino_t, struct vnode **);
92int cd9660_fhtovp(struct mount *, struct fid *, struct vnode **);
93int cd9660_vptofh(struct vnode *, struct fid *);
94int cd9660_init(struct vfsconf *);
95int cd9660_check_export(struct mount *, struct mbuf *, int *,
96                             struct ucred **);
97
98int cd9660_mountroot(void);
99
100extern const struct vops	cd9660_vops;
101extern const struct vops	cd9660_specvops;
102#ifdef FIFO
103extern const struct vops	cd9660_fifovops;
104#endif
105
106int	isochar(const u_char *, const u_char *, int, u_char *);
107int	isofncmp(const u_char *, int, const u_char *, int, int);
108void	isofntrans(u_char *, int, u_char *, u_short *, int, int, int);
109cdino_t	isodirino(struct iso_directory_record *, struct iso_mnt *);
110