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 8.2 (Berkeley) 1/23/94 39 * $Id: cd9660_node.h,v 1.5 1995/03/16 18:12:16 bde Exp $ 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_chain[2]; /* hash chain, MUST be first */ 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 #define d_forw d_chain[0] 73 #define d_back d_chain[1] 74 #endif 75 76 struct iso_node { 77 struct iso_node *i_chain[2]; /* hash chain, MUST be first */ 78 struct vnode *i_vnode; /* vnode associated with this inode */ 79 struct vnode *i_devvp; /* vnode for block I/O */ 80 u_long i_flag; /* see below */ 81 dev_t i_dev; /* device where inode resides */ 82 ino_t i_number; /* the identity of the inode */ 83 /* we use the actual starting block of the file */ 84 struct iso_mnt *i_mnt; /* filesystem associated with this inode */ 85 struct lockf *i_lockf; /* head of byte-level lock list */ 86 doff_t i_endoff; /* end of useful stuff in directory */ 87 doff_t i_diroff; /* offset in dir, where we found last entry */ 88 doff_t i_offset; /* offset of free space in directory */ 89 ino_t i_ino; /* inode number of found directory */ 90 long i_spare0; 91 long i_spare1; 92 93 long iso_extent; /* extent of file */ 94 long i_size; 95 long iso_start; /* actual start of data of file (may be different */ 96 /* from iso_extent, if file has extended attributes) */ 97 ISO_RRIP_INODE inode; 98 }; 99 100 #define i_forw i_chain[0] 101 #define i_back i_chain[1] 102 103 /* flags */ 104 #define ILOCKED 0x0001 /* inode is locked */ 105 #define IWANT 0x0002 /* some process waiting on lock */ 106 #define IACC 0x0020 /* inode access time to be updated */ 107 108 #define VTOI(vp) ((struct iso_node *)(vp)->v_data) 109 #define ITOV(ip) ((ip)->i_vnode) 110 111 #define ISO_ILOCK(ip) iso_ilock(ip) 112 #define ISO_IUNLOCK(ip) iso_iunlock(ip) 113 114 extern int (**cd9660_fifoop_p)(); 115 extern int (**cd9660_specop_p)(); 116 117 /* 118 * Prototypes for ISOFS vnode operations 119 */ 120 int cd9660_lookup __P((struct vop_lookup_args *)); 121 int cd9660_inactive __P((struct vop_inactive_args *)); 122 int cd9660_reclaim __P((struct vop_reclaim_args *)); 123 int cd9660_bmap __P((struct vop_bmap_args *)); 124 void cd9660_defattr __P((struct iso_directory_record *, 125 struct iso_node *, struct buf *, enum ISO_FTYPE)); 126 void cd9660_deftstamp __P((struct iso_directory_record *, 127 struct iso_node *, struct buf *, enum ISO_FTYPE)); 128 int cd9660_tstamp_conv7 __P((char *pi, struct timespec *pu, enum ISO_FTYPE)); 129 int cd9660_tstamp_conv17 __P((unsigned char *pi, struct timespec *pu)); 130 void isodirino __P((ino_t *inump, struct iso_directory_record *isodir, 131 struct iso_mnt *imp)); 132 #ifdef ISODEVMAP 133 struct iso_dnode *iso_dmap __P((dev_t, ino_t, int)); 134 void iso_dunmap __P((dev_t)); 135 #endif 136