1 /* $NetBSD: cd9660_node.h,v 1.10 1994/12/24 15:30:09 cgd 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. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the University of 23 * California, Berkeley and its contributors. 24 * 4. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 * 40 * @(#)cd9660_node.h 8.4 (Berkeley) 12/5/94 41 */ 42 43 /* 44 * Theoretically, directories can be more than 2Gb in length, 45 * however, in practice this seems unlikely. So, we define 46 * the type doff_t as a long to keep down the cost of doing 47 * lookup on a 32-bit machine. If you are porting to a 64-bit 48 * architecture, you should make doff_t the same as off_t. 49 */ 50 #define doff_t long 51 52 typedef struct { 53 struct timespec iso_atime; /* time of last access */ 54 struct timespec iso_mtime; /* time of last modification */ 55 struct timespec iso_ctime; /* time file changed */ 56 u_short iso_mode; /* files access mode and type */ 57 uid_t iso_uid; /* owner user id */ 58 gid_t iso_gid; /* owner group id */ 59 short iso_links; /* links of file */ 60 dev_t iso_rdev; /* Major/Minor number for special */ 61 } ISO_RRIP_INODE; 62 63 #ifdef ISODEVMAP 64 /* 65 * FOr device# (major,minor) translation table 66 */ 67 struct iso_dnode { 68 struct iso_dnode *d_next, **d_prev; /* hash chain */ 69 dev_t i_dev; /* device where dnode resides */ 70 ino_t i_number; /* the identity of the inode */ 71 dev_t d_dev; /* device # for translation */ 72 }; 73 #endif 74 75 struct iso_node { 76 struct iso_node *i_next, **i_prev; /* hash chain */ 77 struct vnode *i_vnode; /* vnode associated with this inode */ 78 struct vnode *i_devvp; /* vnode for block I/O */ 79 u_long i_flag; /* see below */ 80 dev_t i_dev; /* device where inode resides */ 81 ino_t i_number; /* the identity of the inode */ 82 /* we use the actual starting block of the file */ 83 struct iso_mnt *i_mnt; /* filesystem associated with this inode */ 84 struct lockf *i_lockf; /* head of byte-level lock list */ 85 doff_t i_endoff; /* end of useful stuff in directory */ 86 doff_t i_diroff; /* offset in dir, where we found last entry */ 87 doff_t i_offset; /* offset of free space in directory */ 88 ino_t i_ino; /* inode number of found directory */ 89 pid_t i_lockholder, i_lockwaiter; 90 91 long iso_extent; /* extent of file */ 92 long i_size; 93 long iso_start; /* actual start of data of file (may be different */ 94 /* from iso_extent, if file has extended attributes) */ 95 ISO_RRIP_INODE inode; 96 }; 97 98 #define i_forw i_chain[0] 99 #define i_back i_chain[1] 100 101 /* flags */ 102 #define IN_LOCKED 0x0001 /* inode is locked */ 103 #define IN_WANTED 0x0002 /* some process waiting on lock */ 104 #define IN_ACCESS 0x0020 /* inode access time to be updated */ 105 106 #define VTOI(vp) ((struct iso_node *)(vp)->v_data) 107 #define ITOV(ip) ((ip)->i_vnode) 108 109 /* 110 * Prototypes for ISOFS vnode operations 111 */ 112 int cd9660_lookup __P((struct vop_lookup_args *)); 113 int cd9660_open __P((struct vop_open_args *)); 114 int cd9660_close __P((struct vop_close_args *)); 115 int cd9660_access __P((struct vop_access_args *)); 116 int cd9660_getattr __P((struct vop_getattr_args *)); 117 int cd9660_read __P((struct vop_read_args *)); 118 int cd9660_ioctl __P((struct vop_ioctl_args *)); 119 int cd9660_select __P((struct vop_select_args *)); 120 int cd9660_mmap __P((struct vop_mmap_args *)); 121 int cd9660_seek __P((struct vop_seek_args *)); 122 int cd9660_readdir __P((struct vop_readdir_args *)); 123 int cd9660_readlink __P((struct vop_readlink_args *)); 124 int cd9660_abortop __P((struct vop_abortop_args *)); 125 int cd9660_inactive __P((struct vop_inactive_args *)); 126 int cd9660_reclaim __P((struct vop_reclaim_args *)); 127 int cd9660_bmap __P((struct vop_bmap_args *)); 128 int cd9660_lock __P((struct vop_lock_args *)); 129 int cd9660_unlock __P((struct vop_unlock_args *)); 130 int cd9660_strategy __P((struct vop_strategy_args *)); 131 int cd9660_print __P((struct vop_print_args *)); 132 int cd9660_islocked __P((struct vop_islocked_args *)); 133 int cd9660_pathconf __P((struct vop_pathconf_args *)); 134 int cd9660_blkatoff __P((struct vop_blkatoff_args *)); 135 136 void cd9660_defattr __P((struct iso_directory_record *, 137 struct iso_node *, struct buf *)); 138 void cd9660_deftstamp __P((struct iso_directory_record *, 139 struct iso_node *, struct buf *)); 140 struct vnode *cd9660_ihashget __P((dev_t, ino_t)); 141 void cd9660_ihashins __P((struct iso_node *)); 142 void cd9660_ihashrem __P((struct iso_node *)); 143 int cd9660_tstamp_conv7 __P((u_char *, struct timespec *)); 144 int cd9660_tstamp_conv17 __P((u_char *, struct timespec *)); 145 ino_t isodirino __P((struct iso_directory_record *, struct iso_mnt *)); 146 #ifdef ISODEVMAP 147 struct iso_dnode *iso_dmap __P((dev_t, ino_t, int)); 148 void iso_dunmap __P((dev_t)); 149 #endif 150