1 /* $OpenBSD: cd9660_extern.h,v 1.8 2003/06/02 23:28:05 millert 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 */
45 enum 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
51 struct 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
83 int cd9660_mount(struct mount *, const char *, void *,
84 struct nameidata *, struct proc *);
85 int cd9660_start(struct mount *, int, struct proc *);
86 int cd9660_unmount(struct mount *, int, struct proc *);
87 int cd9660_root(struct mount *, struct vnode **);
88 int cd9660_quotactl(struct mount *, int, uid_t, caddr_t, struct proc *);
89 int cd9660_statfs(struct mount *, struct statfs *, struct proc *);
90 int cd9660_sync(struct mount *, int, struct ucred *, struct proc *);
91 int cd9660_vget(struct mount *, ino_t, struct vnode **);
92 int cd9660_fhtovp(struct mount *, struct fid *, struct vnode **);
93 int cd9660_vptofh(struct vnode *, struct fid *);
94 int cd9660_init(struct vfsconf *);
95 int cd9660_check_export(struct mount *, struct mbuf *, int *,
96 struct ucred **);
97 #define cd9660_sysctl ((int (*)(int *, u_int, void *, size_t *, void *, \
98 size_t, struct proc *))eopnotsupp)
99
100 int cd9660_mountroot(void);
101
102 extern int (**cd9660_vnodeop_p)(void *);
103 extern int (**cd9660_specop_p)(void *);
104 #ifdef FIFO
105 extern int (**cd9660_fifoop_p)(void *);
106 #endif
107
108 int isochar(const u_char *, const u_char *, int, u_char *);
109 int isofncmp(const u_char *, int, const u_char *, int, int);
110 void isofntrans(u_char *, int, u_char *, u_short *, int, int, int);
111 ino_t isodirino(struct iso_directory_record *, struct iso_mnt *);