1/* $NetBSD: cd9660_node.h,v 1.18 2022/03/27 17:10:55 christos 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 * @(#)cd9660_node.h 8.6 (Berkeley) 5/14/95
37 */
38
39#ifndef _ISOFS_CD9660_CD9660_NODE_H_
40#define _ISOFS_CD9660_CD9660_NODE_H_
41
42#include <miscfs/genfs/genfs_node.h>
43
44/*
45 * Theoretically, directories can be more than 2Gb in length,
46 * however, in practice this seems unlikely. So, we define
47 * the type doff_t as a long to keep down the cost of doing
48 * lookup on a 32-bit machine. If you are porting to a 64-bit
49 * architecture, you should make doff_t the same as off_t.
50 */
51#define doff_t long
52
53typedef struct {
54 struct timespec iso_atime; /* time of last access */
55 struct timespec iso_mtime; /* time of last modification */
56 struct timespec iso_ctime; /* time file changed */
57 u_short iso_mode; /* files access mode and type */
58 uid_t iso_uid; /* owner user id */
59 gid_t iso_gid; /* owner group id */
60 short iso_links; /* links of file */
61 dev_t iso_rdev; /* Major/Minor number for special */
62} ISO_RRIP_INODE;
63
64struct iso_node {
65 struct genfs_node i_gnode;
66 struct vnode *i_vnode; /* vnode associated with this inode */
67 struct vnode *i_devvp; /* vnode for block I/O */
68 u_long i_flag; /* see below */
69 dev_t i_dev; /* device where inode resides */
70 ino_t i_number; /* the identity of the inode */
71 /* we use the actual starting block of the file */
72 struct iso_mnt *i_mnt; /* filesystem associated with this inode */
73 struct lockf *i_lockf; /* head of byte-level lock list */
74 doff_t i_endoff; /* end of useful stuff in directory */
75 doff_t i_diroff; /* offset in dir, where we found last entry */
76 doff_t i_offset; /* offset of free space in directory */
77 ino_t i_ino; /* inode number of found directory */
78
79 unsigned long iso_extent; /* extent of file */
80 unsigned long i_size;
81 unsigned long iso_start; /* actual start of data of file (may be different */
82 /* from iso_extent, if file has extended attributes) */
83 ISO_RRIP_INODE inode;
84};
85
86#define i_forw i_chain[0]
87#define i_back i_chain[1]
88
89/* flags */
90#define IN_ACCESS 0x0020 /* inode access time to be updated */
91
92#define VTOI(vp) ((struct iso_node *)(vp)->v_data)
93#define ITOV(ip) ((ip)->i_vnode)
94
95#ifdef _KERNEL
96/*
97 * Prototypes for ISOFS vnode operations
98 */
99int cd9660_lookup(void *);
100int cd9660_access(void *);
101int cd9660_getattr(void *);
102int cd9660_read(void *);
103int cd9660_readdir(void *);
104int cd9660_readlink(void *);
105int cd9660_inactive(void *);
106int cd9660_reclaim(void *);
107int cd9660_bmap(void *);
108int cd9660_lock(void *);
109int cd9660_unlock(void *);
110int cd9660_strategy(void *);
111int cd9660_print(void *);
112int cd9660_islocked(void *);
113int cd9660_pathconf(void *);
114int cd9660_setattr(void *);
115
116int cd9660_blkatoff(struct vnode *, off_t, char **, struct buf **);
117void cd9660_defattr(struct iso_directory_record *,
118 struct iso_node *, struct buf *);
119void cd9660_deftstamp(struct iso_directory_record *,
120 struct iso_node *, struct buf *);
121int cd9660_tstamp_conv7(const u_char *, struct timespec *);
122int cd9660_tstamp_conv17(const u_char *, struct timespec *);
123
124#endif /* _KERNEL */
125#endif /* _ISOFS_CD9660_CD9660_NODE_H_ */