1 | /* $NetBSD: cd9660_node.h,v 1.16 2014/06/16 09:55:49 hannken 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 | |
53 | typedef 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 | |
64 | struct 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 | */ |
99 | int cd9660_lookup(void *); |
100 | #define cd9660_open genfs_nullop |
101 | #define cd9660_close genfs_nullop |
102 | int cd9660_access(void *); |
103 | int cd9660_getattr(void *); |
104 | int cd9660_read(void *); |
105 | #define cd9660_ioctl genfs_enoioctl |
106 | #define cd9660_poll genfs_poll |
107 | #define cd9660_mmap genfs_mmap |
108 | #define cd9660_seek genfs_seek |
109 | int cd9660_readdir(void *); |
110 | int cd9660_readlink(void *); |
111 | #define cd9660_abortop genfs_abortop |
112 | int cd9660_inactive(void *); |
113 | int cd9660_reclaim(void *); |
114 | int cd9660_link(void *); |
115 | int cd9660_symlink(void *); |
116 | int cd9660_bmap(void *); |
117 | int cd9660_lock(void *); |
118 | int cd9660_unlock(void *); |
119 | int cd9660_strategy(void *); |
120 | int cd9660_print(void *); |
121 | int cd9660_islocked(void *); |
122 | int cd9660_pathconf(void *); |
123 | int cd9660_setattr(void *); |
124 | |
125 | int cd9660_blkatoff(struct vnode *, off_t, char **, struct buf **); |
126 | void cd9660_defattr(struct iso_directory_record *, |
127 | struct iso_node *, struct buf *); |
128 | void cd9660_deftstamp(struct iso_directory_record *, |
129 | struct iso_node *, struct buf *); |
130 | int cd9660_tstamp_conv7(const u_char *, struct timespec *); |
131 | int cd9660_tstamp_conv17(const u_char *, struct timespec *); |
132 | |
133 | #endif /* _KERNEL */ |
134 | #endif /* _ISOFS_CD9660_CD9660_NODE_H_ */ |
135 | |