master
1/* $NetBSD: cd9660_extern.h,v 1.27.30.1 2024/06/22 10:57:10 martin Exp $ */
2
3/*-
4 * Copyright (c) 1994
5 * The Regents of the University of California. All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley
8 * by Pace Willisson (pace@blitz.com). The Rock Ridge Extension
9 * Support code is derived from software contributed to Berkeley
10 * by Atsushi Murai (amurai@spec.co.jp).
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * @(#)iso.h 8.4 (Berkeley) 12/5/94
37 */
38
39/*
40 * Definitions used in the kernel for cd9660 file system support.
41 */
42#ifndef _ISOFS_CD9660_CD9660_EXTERN_H_
43#define _ISOFS_CD9660_CD9660_EXTERN_H_
44
45/*
46 * Sysctl values for the cd9660 filesystem.
47 */
48#define CD9660_UTF8_JOLIET 1 /* UTF-8 encode Joliet file names */
49
50/* CD-ROM Format type */
51enum ISO_FTYPE { ISO_FTYPE_DEFAULT, ISO_FTYPE_9660, ISO_FTYPE_RRIP, ISO_FTYPE_ECMA };
52
53#ifndef ISOFSMNT_ROOT
54#define ISOFSMNT_ROOT 0
55#endif
56
57struct iso_mnt {
58 int im_flags;
59 int im_joliet_level;
60
61 struct mount *im_mountp;
62 dev_t im_dev;
63 struct vnode *im_devvp;
64
65 int logical_block_size;
66 int im_bshift;
67 int im_bmask;
68
69 int volume_space_size;
70
71 char root[ISODCL (157, 190)];
72 int root_extent;
73 int root_size;
74 enum ISO_FTYPE iso_ftype;
75
76 int rr_skip;
77 int rr_skip0;
78};
79
80#define VFSTOISOFS(mp) ((struct iso_mnt *)((mp)->mnt_data))
81
82#define cd9660_blkoff(imp, loc) ((loc) & (imp)->im_bmask)
83#define cd9660_lblktosize(imp, blk) ((blk) << (imp)->im_bshift)
84#define cd9660_lblkno(imp, loc) ((loc) >> (imp)->im_bshift)
85#define cd9660_blksize(imp, ip, lbn) ((imp)->logical_block_size)
86
87#ifdef _KERNEL
88
89VFS_PROTOS(cd9660);
90
91#include <sys/mallocvar.h>
92MALLOC_DECLARE(M_ISOFSMNT);
93
94extern struct pool cd9660_node_pool;
95extern int cd9660_utf8_joliet;
96
97int cd9660_mountroot(void);
98
99extern int (**cd9660_vnodeop_p)(void *);
100extern int (**cd9660_specop_p)(void *);
101extern int (**cd9660_fifoop_p)(void *);
102
103ino_t isodirino(struct iso_directory_record *, struct iso_mnt *);
104#endif /* _KERNEL */
105
106int isochar(const u_char *, const u_char *, int, u_int16_t *);
107int isofncmp(const u_char *, size_t, const u_char *, size_t, int);
108void isofntrans(const u_char *, int, u_char *, u_short *, int, int, int, int);
109
110#endif /* _ISOFS_CD9660_CD9660_EXTERN_H_ */