Change the kernel dev_t, representing a pointer to a specinfo structure,
[dragonfly.git] / sys / vfs / isofs / cd9660 / cd9660_node.h
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1/*-
2 * Copyright (c) 1994
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley
6 * by Pace Willisson (pace@blitz.com). The Rock Ridge Extension
7 * Support code is derived from software contributed to Berkeley
8 * by Atsushi Murai (amurai@spec.co.jp).
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the University of
21 * California, Berkeley and its contributors.
22 * 4. Neither the name of the University nor the names of its contributors
23 * may be used to endorse or promote products derived from this software
24 * without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * SUCH DAMAGE.
37 *
38 * @(#)cd9660_node.h 8.6 (Berkeley) 5/14/95
39 * $FreeBSD: src/sys/isofs/cd9660/cd9660_node.h,v 1.20 1999/12/29 04:54:37 peter Exp $
b13267a5 40 * $DragonFly: src/sys/vfs/isofs/cd9660/cd9660_node.h,v 1.10 2006/09/10 01:26:40 dillon Exp $
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41 */
42
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43#include <sys/lockf.h>
44
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45/*
46 * Theoretically, directories can be more than 2Gb in length,
47 * however, in practice this seems unlikely. So, we define
48 * the type doff_t as a long to keep down the cost of doing
49 * lookup on a 32-bit machine. If you are porting to a 64-bit
50 * architecture, you should make doff_t the same as off_t.
51 */
52#define doff_t long
53
54typedef struct {
55 struct timespec iso_atime; /* time of last access */
56 struct timespec iso_mtime; /* time of last modification */
57 struct timespec iso_ctime; /* time file changed */
58 u_short iso_mode; /* files access mode and type */
59 uid_t iso_uid; /* owner user id */
60 gid_t iso_gid; /* owner group id */
61 short iso_links; /* links of file */
62 udev_t iso_rdev; /* Major/Minor number for special */
63} ISO_RRIP_INODE;
64
65
66struct iso_node {
3446c007 67 struct iso_node *i_next; /* hash chain */
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68 struct vnode *i_vnode; /* vnode associated with this inode */
69 struct vnode *i_devvp; /* vnode for block I/O */
70 u_long i_flag; /* see below */
b13267a5 71 cdev_t i_dev; /* device where inode resides */
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72 ino_t i_number; /* the identity of the inode */
73 /* we use the actual starting block of the file */
74 struct iso_mnt *i_mnt; /* filesystem associated with this inode */
508ceb09 75 struct lockf i_lockf; /* head of byte-level lock list */
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76 doff_t i_endoff; /* end of useful stuff in directory */
77 doff_t i_diroff; /* offset in dir, where we found last entry */
78 doff_t i_offset; /* offset of free space in directory */
79 ino_t i_ino; /* inode number of found directory */
80
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81 unsigned long iso_extent; /* extent of file */
82 unsigned long i_size;
83 unsigned long iso_start; /* actual start of data of file (may be different */
84 /* from iso_extent, if file has extended attributes) */
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85 ISO_RRIP_INODE inode;
86};
87
88#define i_forw i_chain[0]
89#define i_back i_chain[1]
90
91/* flags */
92#define IN_ACCESS 0x0020 /* inode access time to be updated */
93
94#define VTOI(vp) ((struct iso_node *)(vp)->v_data)
95#define ITOV(ip) ((ip)->i_vnode)
96
97#ifdef _KERNEL
98
99#ifdef MALLOC_DECLARE
100MALLOC_DECLARE(M_ISOFSMNT);
101MALLOC_DECLARE(M_ISOFSNODE);
102#endif
103
104struct buf;
105struct vop_bmap_args;
e62afb5f 106struct vop_old_lookup_args;
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107struct vop_inactive_args;
108struct vop_reclaim_args;
109
110/*
111 * Prototypes for ISOFS vnode operations
112 */
e62afb5f 113int cd9660_lookup (struct vop_old_lookup_args *);
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114int cd9660_inactive (struct vop_inactive_args *);
115int cd9660_reclaim (struct vop_reclaim_args *);
116int cd9660_bmap (struct vop_bmap_args *);
117int cd9660_blkatoff (struct vnode *vp, off_t offset, char **res, struct buf **bpp);
899483f5 118int cd9660_devblkatoff (struct vnode *vp, off_t offset, char **res, struct buf **bpp);
984263bc 119
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120void cd9660_defattr (struct iso_directory_record *,
121 struct iso_node *, struct buf *, enum ISO_FTYPE);
122void cd9660_deftstamp (struct iso_directory_record *,
123 struct iso_node *, struct buf *, enum ISO_FTYPE);
b13267a5 124struct vnode *cd9660_ihashget (cdev_t, ino_t);
3446c007 125int cd9660_ihashins (struct iso_node *);
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126int cd9660_tstamp_conv7 (u_char *, struct timespec *, enum ISO_FTYPE);
127int cd9660_tstamp_conv17 (u_char *, struct timespec *);
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128
129#endif /* _KERNEL */