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 */ |
57 | enum 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 | |
63 | struct 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 | |
95 | VFS_PROTOS(cd9660); |
96 | |
97 | #include <sys/mallocvar.h> |
98 | MALLOC_DECLARE(M_ISOFSMNT); |
99 | |
100 | extern struct pool cd9660_node_pool; |
101 | extern int cd9660_utf8_joliet; |
102 | |
103 | int cd9660_mountroot(void); |
104 | |
105 | extern int (**cd9660_vnodeop_p)(void *); |
106 | extern int (**cd9660_specop_p)(void *); |
107 | extern int (**cd9660_fifoop_p)(void *); |
108 | |
109 | int isochar(const u_char *, const u_char *, int, u_int16_t *); |
110 | int isofncmp(const u_char *, size_t, const u_char *, size_t, int); |
111 | void isofntrans(const u_char *, int, u_char *, u_short *, int, int, int, int); |
112 | ino_t isodirino(struct iso_directory_record *, struct iso_mnt *); |
113 | #endif /* _KERNEL */ |
114 | |
115 | #endif /* _ISOFS_CD9660_CD9660_EXTERN_H_ */ |
116 | |