/* $NetBSD: cd9660_node.h,v 1.13 1996/09/07 12:40:56 mycroft Exp $ */ /*- * Copyright (c) 1994 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley * by Pace Willisson (pace@blitz.com). The Rock Ridge Extension * Support code is derived from software contributed to Berkeley * by Atsushi Murai (amurai@spec.co.jp). * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)cd9660_node.h 8.4 (Berkeley) 12/5/94 */ /* * Theoretically, directories can be more than 2Gb in length, * however, in practice this seems unlikely. So, we define * the type doff_t as a long to keep down the cost of doing * lookup on a 32-bit machine. If you are porting to a 64-bit * architecture, you should make doff_t the same as off_t. */ #define doff_t long typedef struct { struct timespec iso_atime; /* time of last access */ struct timespec iso_mtime; /* time of last modification */ struct timespec iso_ctime; /* time file changed */ u_short iso_mode; /* files access mode and type */ uid_t iso_uid; /* owner user id */ gid_t iso_gid; /* owner group id */ short iso_links; /* links of file */ dev_t iso_rdev; /* Major/Minor number for special */ } ISO_RRIP_INODE; #ifdef ISODEVMAP /* * FOr device# (major,minor) translation table */ struct iso_dnode { struct iso_dnode *d_next, **d_prev; /* hash chain */ dev_t i_dev; /* device where dnode resides */ ino_t i_number; /* the identity of the inode */ dev_t d_dev; /* device # for translation */ }; #endif struct iso_node { struct iso_node *i_next, **i_prev; /* hash chain */ struct vnode *i_vnode; /* vnode associated with this inode */ struct vnode *i_devvp; /* vnode for block I/O */ u_long i_flag; /* see below */ dev_t i_dev; /* device where inode resides */ ino_t i_number; /* the identity of the inode */ /* we use the actual starting block of the file */ struct iso_mnt *i_mnt; /* filesystem associated with this inode */ struct lockf *i_lockf; /* head of byte-level lock list */ doff_t i_endoff; /* end of useful stuff in directory */ doff_t i_diroff; /* offset in dir, where we found last entry */ doff_t i_offset; /* offset of free space in directory */ ino_t i_ino; /* inode number of found directory */ pid_t i_lockholder, i_lockwaiter; long iso_extent; /* extent of file */ long i_size; long iso_start; /* actual start of data of file (may be different */ /* from iso_extent, if file has extended attributes) */ ISO_RRIP_INODE inode; }; #define i_forw i_chain[0] #define i_back i_chain[1] /* flags */ #define IN_LOCKED 0x0001 /* inode is locked */ #define IN_WANTED 0x0002 /* some process waiting on lock */ #define IN_ACCESS 0x0020 /* inode access time to be updated */ #define VTOI(vp) ((struct iso_node *)(vp)->v_data) #define ITOV(ip) ((ip)->i_vnode) /* * Prototypes for ISOFS vnode operations */ int cd9660_lookup __P((void *)); #define cd9660_open genfs_nullop #define cd9660_close genfs_nullop int cd9660_access __P((void *)); int cd9660_getattr __P((void *)); int cd9660_read __P((void *)); int cd9660_ioctl __P((void *)); #define cd9660_poll genfs_poll int cd9660_mmap __P((void *)); #define cd9660_seek genfs_nullop int cd9660_readdir __P((void *)); int cd9660_readlink __P((void *)); #define cd9660_abortop genfs_abortop int cd9660_inactive __P((void *)); int cd9660_reclaim __P((void *)); int cd9660_link __P((void *)); int cd9660_symlink __P((void *)); int cd9660_bmap __P((void *)); int cd9660_lock __P((void *)); int cd9660_unlock __P((void *)); int cd9660_strategy __P((void *)); int cd9660_print __P((void *)); int cd9660_islocked __P((void *)); int cd9660_pathconf __P((void *)); int cd9660_blkatoff __P((void *)); void cd9660_defattr __P((struct iso_directory_record *, struct iso_node *, struct buf *)); void cd9660_deftstamp __P((struct iso_directory_record *, struct iso_node *, struct buf *)); struct vnode *cd9660_ihashget __P((dev_t, ino_t)); void cd9660_ihashins __P((struct iso_node *)); void cd9660_ihashrem __P((struct iso_node *)); int cd9660_tstamp_conv7 __P((u_char *, struct timespec *)); int cd9660_tstamp_conv17 __P((u_char *, struct timespec *)); int cd9660_vget_internal __P((struct mount *, ino_t, struct vnode **, int, struct iso_directory_record *)); ino_t isodirino __P((struct iso_directory_record *, struct iso_mnt *)); #ifdef ISODEVMAP struct iso_dnode *iso_dmap __P((dev_t, ino_t, int)); void iso_dunmap __P((dev_t)); #endif