1/* $NetBSD: cd9660_extern.h,v 1.26 2013/06/23 07:28:36 dholland 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#define CD9660_NAMES { \
51 { 0, 0 }, \
52 { "utf8_joliet", CTLTYPE_INT }, \
53}
54
55
56/* CD-ROM Format type */
57enum ISO_FTYPE { ISO_FTYPE_DEFAULT, ISO_FTYPE_9660, ISO_FTYPE_RRIP, ISO_FTYPE_ECMA };
58
59#ifndef ISOFSMNT_ROOT
60#define ISOFSMNT_ROOT 0
61#endif
62
63struct iso_mnt {
64 int im_flags;
65 int im_joliet_level;
66
67 struct mount *im_mountp;
68 dev_t im_dev;
69 struct vnode *im_devvp;
70
71 int logical_block_size;
72 int im_bshift;
73 int im_bmask;
74
75 int volume_space_size;
76
77 char root[ISODCL (157, 190)];
78 int root_extent;
79 int root_size;
80 enum ISO_FTYPE iso_ftype;
81
82 int rr_skip;
83 int rr_skip0;
84};
85
86#define VFSTOISOFS(mp) ((struct iso_mnt *)((mp)->mnt_data))
87
88#define cd9660_blkoff(imp, loc) ((loc) & (imp)->im_bmask)
89#define cd9660_lblktosize(imp, blk) ((blk) << (imp)->im_bshift)
90#define cd9660_lblkno(imp, loc) ((loc) >> (imp)->im_bshift)
91#define cd9660_blksize(imp, ip, lbn) ((imp)->logical_block_size)
92
93#ifdef _KERNEL
94
95VFS_PROTOS(cd9660);
96
97#include <sys/mallocvar.h>
98MALLOC_DECLARE(M_ISOFSMNT);
99
100extern struct pool cd9660_node_pool;
101extern int cd9660_utf8_joliet;
102
103int cd9660_mountroot(void);
104
105extern int (**cd9660_vnodeop_p)(void *);
106extern int (**cd9660_specop_p)(void *);
107extern int (**cd9660_fifoop_p)(void *);
108
109int isochar(const u_char *, const u_char *, int, u_int16_t *);
110int isofncmp(const u_char *, size_t, const u_char *, size_t, int);
111void isofntrans(const u_char *, int, u_char *, u_short *, int, int, int, int);
112ino_t isodirino(struct iso_directory_record *, struct iso_mnt *);
113#endif /* _KERNEL */
114
115#endif /* _ISOFS_CD9660_CD9660_EXTERN_H_ */
116