cd9660_node.h revision 1.6.12.1
1 /* $NetBSD: cd9660_node.h,v 1.6.12.1 2006/06/21 15:09:23 yamt 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 (at) blitz.com). The Rock Ridge Extension 9 * Support code is derived from software contributed to Berkeley 10 * by Atsushi Murai (amurai (at) 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 #ifdef ISODEVMAP 65 /* 66 * FOr device# (major,minor) translation table 67 */ 68 struct iso_dnode { 69 LIST_ENTRY(iso_dnode) d_hash; 70 dev_t i_dev; /* device where dnode resides */ 71 ino_t i_number; /* the identity of the inode */ 72 dev_t d_dev; /* device # for translation */ 73 }; 74 #endif 75 76 struct iso_node { 77 struct genfs_node i_gnode; 78 LIST_ENTRY(iso_node) i_hash; 79 struct vnode *i_vnode; /* vnode associated with this inode */ 80 struct vnode *i_devvp; /* vnode for block I/O */ 81 u_long i_flag; /* see below */ 82 dev_t i_dev; /* device where inode resides */ 83 ino_t i_number; /* the identity of the inode */ 84 /* we use the actual starting block of the file */ 85 struct iso_mnt *i_mnt; /* filesystem associated with this inode */ 86 struct lockf *i_lockf; /* head of byte-level lock list */ 87 doff_t i_endoff; /* end of useful stuff in directory */ 88 doff_t i_diroff; /* offset in dir, where we found last entry */ 89 doff_t i_offset; /* offset of free space in directory */ 90 ino_t i_ino; /* inode number of found directory */ 91 92 unsigned long iso_extent; /* extent of file */ 93 unsigned long i_size; 94 unsigned long iso_start; /* actual start of data of file (may be different */ 95 /* from iso_extent, if file has extended attributes) */ 96 ISO_RRIP_INODE inode; 97 }; 98 99 #define i_forw i_chain[0] 100 #define i_back i_chain[1] 101 102 /* flags */ 103 #define IN_ACCESS 0x0020 /* inode access time to be updated */ 104 105 #define VTOI(vp) ((struct iso_node *)(vp)->v_data) 106 #define ITOV(ip) ((ip)->i_vnode) 107 108 #ifdef _KERNEL 109 /* 110 * Prototypes for ISOFS vnode operations 111 */ 112 int cd9660_lookup(void *); 113 #define cd9660_open genfs_nullop 114 #define cd9660_close genfs_nullop 115 int cd9660_access(void *); 116 int cd9660_getattr(void *); 117 int cd9660_read(void *); 118 #define cd9660_ioctl genfs_enoioctl 119 #define cd9660_poll genfs_poll 120 #define cd9660_mmap genfs_mmap 121 #define cd9660_seek genfs_seek 122 int cd9660_readdir(void *); 123 int cd9660_readlink(void *); 124 #define cd9660_abortop genfs_abortop 125 int cd9660_inactive(void *); 126 int cd9660_reclaim(void *); 127 int cd9660_link(void *); 128 int cd9660_symlink(void *); 129 int cd9660_bmap(void *); 130 int cd9660_lock(void *); 131 int cd9660_unlock(void *); 132 int cd9660_strategy(void *); 133 int cd9660_print(void *); 134 int cd9660_islocked(void *); 135 int cd9660_pathconf(void *); 136 int cd9660_setattr(void *); 137 138 int cd9660_blkatoff(struct vnode *, off_t, char **, struct buf **); 139 void cd9660_defattr(struct iso_directory_record *, 140 struct iso_node *, struct buf *); 141 void cd9660_deftstamp(struct iso_directory_record *, 142 struct iso_node *, struct buf *); 143 struct vnode *cd9660_ihashget(dev_t, ino_t); 144 void cd9660_ihashins(struct iso_node *); 145 void cd9660_ihashrem(struct iso_node *); 146 int cd9660_tstamp_conv7(u_char *, struct timespec *); 147 int cd9660_tstamp_conv17(u_char *, struct timespec *); 148 int cd9660_vget_internal(struct mount *, ino_t, struct vnode **, int, 149 struct iso_directory_record *); 150 #ifdef ISODEVMAP 151 struct iso_dnode *iso_dmap(dev_t, ino_t, int); 152 void iso_dunmap(dev_t); 153 #endif 154 #endif /* _KERNEL */ 155 #endif /* _ISOFS_CD9660_CD9660_NODE_H_ */ 156
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