1 /* $OpenBSD: cd9660_node.h,v 1.17 2004/10/04 23:37:37 millert Exp $ */ 2 /* $NetBSD: cd9660_node.h,v 1.15 1997/04/11 21:52:01 kleink Exp $ */ 3 4 /*- 5 * Copyright (c) 1994 6 * The Regents of the University of California. All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley 9 * by Pace Willisson (pace@blitz.com). The Rock Ridge Extension 10 * Support code is derived from software contributed to Berkeley 11 * by Atsushi Murai (amurai@spec.co.jp). 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 3. Neither the name of the University nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * @(#)cd9660_node.h 8.4 (Berkeley) 12/5/94 38 */ 39 40 #include <sys/buf.h> 41 42 #define doff_t u_quad_t 43 44 typedef struct { 45 struct timespec iso_atime; /* time of last access */ 46 struct timespec iso_mtime; /* time of last modification */ 47 struct timespec iso_ctime; /* time file changed */ 48 u_short iso_mode; /* files access mode and type */ 49 uid_t iso_uid; /* owner user id */ 50 gid_t iso_gid; /* owner group id */ 51 short iso_links; /* links of file */ 52 dev_t iso_rdev; /* Major/Minor number for special */ 53 } ISO_RRIP_INODE; 54 55 #ifdef ISODEVMAP 56 /* 57 * FOr device# (major,minor) translation table 58 */ 59 struct iso_dnode { 60 struct iso_dnode *d_next, **d_prev; /* hash chain */ 61 dev_t i_dev; /* device where dnode resides */ 62 ino_t i_number; /* the identity of the inode */ 63 dev_t d_dev; /* device # for translation */ 64 }; 65 #endif 66 67 struct iso_node { 68 struct iso_node *i_next, **i_prev; /* hash chain */ 69 struct vnode *i_vnode; /* vnode associated with this inode */ 70 struct vnode *i_devvp; /* vnode for block I/O */ 71 u_int i_flag; /* see below */ 72 dev_t i_dev; /* device where inode resides */ 73 ino_t i_number; /* the identity of the inode */ 74 /* we use the actual starting block of the file */ 75 struct iso_mnt *i_mnt; /* filesystem associated with this inode */ 76 struct lockf *i_lockf; /* head of byte-level lock list */ 77 doff_t i_endoff; /* end of useful stuff in directory */ 78 doff_t i_diroff; /* offset in dir, where we found last entry */ 79 doff_t i_offset; /* offset of free space in directory */ 80 ino_t i_ino; /* inode number of found directory */ 81 struct lock i_lock; /* node lock */ 82 83 doff_t iso_extent; /* extent of file */ 84 doff_t i_size; 85 /* 86 * Actual start of data file (may be different from iso_extent, if the 87 * file has extended attributes). 88 */ 89 doff_t iso_start; 90 91 ISO_RRIP_INODE inode; 92 struct cluster_info i_ci; 93 }; 94 95 #define i_forw i_chain[0] 96 #define i_back i_chain[1] 97 98 /* flags */ 99 #define IN_ACCESS 0x0020 /* inode access time to be updated */ 100 101 #define VTOI(vp) ((struct iso_node *)(vp)->v_data) 102 #define ITOV(ip) ((ip)->i_vnode) 103 104 /* 105 * Prototypes for ISOFS vnode operations 106 */ 107 int cd9660_lookup(void *); 108 int cd9660_open(void *); 109 int cd9660_close(void *); 110 int cd9660_access(void *); 111 int cd9660_getattr(void *); 112 int cd9660_setattr(void *); 113 int cd9660_read(void *); 114 int cd9660_ioctl(void *); 115 int cd9660_poll(void *); 116 int cd9660_mmap(void *); 117 int cd9660_seek(void *); 118 int cd9660_readdir(void *); 119 int cd9660_readlink(void *); 120 int cd9660_abortop(void *); 121 int cd9660_inactive(void *); 122 int cd9660_reclaim(void *); 123 int cd9660_link(void *); 124 int cd9660_symlink(void *); 125 int cd9660_bmap(void *); 126 int cd9660_lock(void *); 127 int cd9660_unlock(void *); 128 int cd9660_strategy(void *); 129 int cd9660_print(void *); 130 int cd9660_islocked(void *); 131 int cd9660_pathconf(void *); 132 133 int cd9660_bufatoff(struct iso_node *, off_t, char **, struct buf **); 134 135 void cd9660_defattr(struct iso_directory_record *, struct iso_node *, 136 struct buf *); 137 void cd9660_deftstamp(struct iso_directory_record *, struct iso_node *, 138 struct buf *); 139 struct vnode *cd9660_ihashget(dev_t, ino_t); 140 int cd9660_ihashins(struct iso_node *); 141 void cd9660_ihashrem(struct iso_node *); 142 int cd9660_tstamp_conv7(u_char *, struct timespec *); 143 int cd9660_tstamp_conv17(u_char *, struct timespec *); 144 int cd9660_vget_internal(struct mount *, ino_t, struct vnode **, int, 145 struct iso_directory_record *); 146 ino_t isodirino(struct iso_directory_record *, struct iso_mnt *); 147 #ifdef ISODEVMAP 148 struct iso_dnode *iso_dmap(dev_t, ino_t, int); 149 void iso_dunmap(dev_t); 150 #endif 151