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 * 4. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 * @(#)cd9660_node.h 8.6 (Berkeley) 5/14/95
35 * $FreeBSD: releng/9.0/sys/fs/cd9660/cd9660_node.h 187838 2009-01-28 18:54:56Z jhb $
36 */
37
38 /*
39 * Theoretically, directories can be more than 2Gb in length,
40 * however, in practice this seems unlikely. So, we define
41 * the type doff_t as a long to keep down the cost of doing
42 * lookup on a 32-bit machine. If you are porting to a 64-bit
43 * architecture, you should make doff_t the same as off_t.
44 */
45 #define doff_t long
46
47 typedef struct {
48 struct timespec iso_atime; /* time of last access */
49 struct timespec iso_mtime; /* time of last modification */
50 struct timespec iso_ctime; /* time file changed */
51 u_short iso_mode; /* files access mode and type */
52 uid_t iso_uid; /* owner user id */
53 gid_t iso_gid; /* owner group id */
54 short iso_links; /* links of file */
55 dev_t iso_rdev; /* Major/Minor number for special */
56 } ISO_RRIP_INODE;
57
58
59 struct iso_node {
60 struct vnode *i_vnode; /* vnode associated with this inode */
61 ino_t i_number; /* the identity of the inode */
62 /* we use the actual starting block of the file */
63 struct iso_mnt *i_mnt; /* filesystem associated with this inode */
64 struct lockf *i_lockf; /* head of byte-level lock list */
65 doff_t i_endoff; /* end of useful stuff in directory */
66 doff_t i_diroff; /* offset in dir, where we found last entry */
67
68 long iso_extent; /* extent of file */
69 unsigned long i_size;
70 long iso_start; /* actual start of data of file (may be different */
71 /* from iso_extent, if file has extended attributes) */
72 ISO_RRIP_INODE inode;
73 };
74
75 #define i_forw i_chain[0]
76 #define i_back i_chain[1]
77
78 #define VTOI(vp) ((struct iso_node *)(vp)->v_data)
79 #define ITOV(ip) ((ip)->i_vnode)
80
81 #ifdef _KERNEL
82
83 #ifdef MALLOC_DECLARE
84 MALLOC_DECLARE(M_ISOFSMNT);
85 MALLOC_DECLARE(M_ISOFSNODE);
86 #endif
87
88 struct buf;
89 struct vop_bmap_args;
90 struct vop_cachedlookup_args;
91 struct vop_inactive_args;
92 struct vop_reclaim_args;
93
94 /*
95 * Prototypes for ISOFS vnode operations
96 */
97 int cd9660_lookup(struct vop_cachedlookup_args *);
98 int cd9660_inactive(struct vop_inactive_args *);
99 int cd9660_reclaim(struct vop_reclaim_args *);
100 int cd9660_bmap(struct vop_bmap_args *);
101 int cd9660_blkatoff(struct vnode *vp, off_t offset, char **res, struct buf **bpp);
102
103 void cd9660_defattr(struct iso_directory_record *,
104 struct iso_node *, struct buf *, enum ISO_FTYPE);
105 void cd9660_deftstamp(struct iso_directory_record *,
106 struct iso_node *, struct buf *, enum ISO_FTYPE);
107 int cd9660_tstamp_conv7(u_char *, struct timespec *, enum ISO_FTYPE);
108 int cd9660_tstamp_conv17(u_char *, struct timespec *);
109
110 #endif /* _KERNEL */
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