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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the University of 21 * California, Berkeley and its contributors. 22 * 4. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)cd9660_node.h 8.6 (Berkeley) 5/14/95 39 * $FreeBSD$ 40 */ 41 42 /* 43 * Theoretically, directories can be more than 2Gb in length, 44 * however, in practice this seems unlikely. So, we define 45 * the type doff_t as a long to keep down the cost of doing 46 * lookup on a 32-bit machine. If you are porting to a 64-bit 47 * architecture, you should make doff_t the same as off_t. 48 */ 49 #define doff_t long 50 51 typedef struct { 52 struct timespec iso_atime; /* time of last access */ 53 struct timespec iso_mtime; /* time of last modification */ 54 struct timespec iso_ctime; /* time file changed */ 55 u_short iso_mode; /* files access mode and type */ 56 uid_t iso_uid; /* owner user id */ 57 gid_t iso_gid; /* owner group id */ 58 short iso_links; /* links of file */ 59 dev_t iso_rdev; /* Major/Minor number for special */ 60 } ISO_RRIP_INODE; 61 62 #ifdef ISODEVMAP 63 /* 64 * FOr device# (major,minor) translation table 65 */ 66 struct iso_dnode { 67 struct iso_dnode *d_next, **d_prev; /* hash chain */ 68 dev_t i_dev; /* device where dnode resides */ 69 ino_t i_number; /* the identity of the inode */ 70 dev_t d_dev; /* device # for translation */ 71 }; 72 #endif 73 74 struct iso_node { 75 struct iso_node *i_next, **i_prev; /* hash chain */ 76 struct vnode *i_vnode; /* vnode associated with this inode */ 77 struct vnode *i_devvp; /* vnode for block I/O */ 78 u_long i_flag; /* see below */ 79 dev_t i_dev; /* device where inode resides */ 80 ino_t i_number; /* the identity of the inode */ 81 /* we use the actual starting block of the file */ 82 struct iso_mnt *i_mnt; /* filesystem associated with this inode */ 83 struct lockf *i_lockf; /* head of byte-level lock list */ 84 doff_t i_endoff; /* end of useful stuff in directory */ 85 doff_t i_diroff; /* offset in dir, where we found last entry */ 86 doff_t i_offset; /* offset of free space in directory */ 87 ino_t i_ino; /* inode number of found directory */ 88 struct lock i_lock; /* node lock */ 89 90 long iso_extent; /* extent of file */ 91 long i_size; 92 long iso_start; /* actual start of data of file (may be different */ 93 /* from iso_extent, if file has extended attributes) */ 94 ISO_RRIP_INODE inode; 95 }; 96 97 #define i_forw i_chain[0] 98 #define i_back i_chain[1] 99 100 /* flags */ 101 #define IN_ACCESS 0x0020 /* inode access time to be updated */ 102 103 #define VTOI(vp) ((struct iso_node *)(vp)->v_data) 104 #define ITOV(ip) ((ip)->i_vnode) 105 106 /* 107 * Prototypes for ISOFS vnode operations 108 */ 109 int cd9660_lookup __P((struct vop_lookup_args *)); 110 int cd9660_inactive __P((struct vop_inactive_args *)); 111 int cd9660_reclaim __P((struct vop_reclaim_args *)); 112 int cd9660_bmap __P((struct vop_bmap_args *)); 113 int cd9660_pathconf __P((struct vop_pathconf_args *)); 114 int cd9660_blkatoff __P((struct vop_blkatoff_args *)); 115 #define cd9660_revoke vop_revoke 116 117 void cd9660_defattr __P((struct iso_directory_record *, 118 struct iso_node *, struct buf *, enum ISO_FTYPE)); 119 void cd9660_deftstamp __P((struct iso_directory_record *, 120 struct iso_node *, struct buf *, enum ISO_FTYPE)); 121 struct vnode *cd9660_ihashget __P((dev_t, ino_t)); 122 void cd9660_ihashins __P((struct iso_node *)); 123 void cd9660_ihashrem __P((struct iso_node *)); 124 int cd9660_tstamp_conv7 __P((u_char *, struct timespec *, enum ISO_FTYPE)); 125 int cd9660_tstamp_conv17 __P((u_char *, struct timespec *)); 126 #ifdef ISODEVMAP 127 struct iso_dnode *iso_dmap __P((dev_t, ino_t, int)); 128 void iso_dunmap __P((dev_t)); 129 #endif 130