1 /* $NetBSD: cd9660_node.h,v 1.18 2022/03/27 17:10:55 christos 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. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)cd9660_node.h 8.6 (Berkeley) 5/14/95 37 */ 38 39 #ifndef _ISOFS_CD9660_CD9660_NODE_H_ 40 #define _ISOFS_CD9660_CD9660_NODE_H_ 41 42 #include <miscfs/genfs/genfs_node.h> 43 44 /* 45 * Theoretically, directories can be more than 2Gb in length, 46 * however, in practice this seems unlikely. So, we define 47 * the type doff_t as a long to keep down the cost of doing 48 * lookup on a 32-bit machine. If you are porting to a 64-bit 49 * architecture, you should make doff_t the same as off_t. 50 */ 51 #define doff_t long 52 53 typedef struct { 54 struct timespec iso_atime; /* time of last access */ 55 struct timespec iso_mtime; /* time of last modification */ 56 struct timespec iso_ctime; /* time file changed */ 57 u_short iso_mode; /* files access mode and type */ 58 uid_t iso_uid; /* owner user id */ 59 gid_t iso_gid; /* owner group id */ 60 short iso_links; /* links of file */ 61 dev_t iso_rdev; /* Major/Minor number for special */ 62 } ISO_RRIP_INODE; 63 64 struct iso_node { 65 struct genfs_node i_gnode; 66 struct vnode *i_vnode; /* vnode associated with this inode */ 67 struct vnode *i_devvp; /* vnode for block I/O */ 68 u_long i_flag; /* see below */ 69 dev_t i_dev; /* device where inode resides */ 70 ino_t i_number; /* the identity of the inode */ 71 /* we use the actual starting block of the file */ 72 struct iso_mnt *i_mnt; /* filesystem associated with this inode */ 73 struct lockf *i_lockf; /* head of byte-level lock list */ 74 doff_t i_endoff; /* end of useful stuff in directory */ 75 doff_t i_diroff; /* offset in dir, where we found last entry */ 76 doff_t i_offset; /* offset of free space in directory */ 77 ino_t i_ino; /* inode number of found directory */ 78 79 unsigned long iso_extent; /* extent of file */ 80 unsigned long i_size; 81 unsigned long iso_start; /* actual start of data of file (may be different */ 82 /* from iso_extent, if file has extended attributes) */ 83 ISO_RRIP_INODE inode; 84 }; 85 86 #define i_forw i_chain[0] 87 #define i_back i_chain[1] 88 89 /* flags */ 90 #define IN_ACCESS 0x0020 /* inode access time to be updated */ 91 92 #define VTOI(vp) ((struct iso_node *)(vp)->v_data) 93 #define ITOV(ip) ((ip)->i_vnode) 94 95 #ifdef _KERNEL 96 /* 97 * Prototypes for ISOFS vnode operations 98 */ 99 int cd9660_lookup(void *); 100 int cd9660_access(void *); 101 int cd9660_getattr(void *); 102 int cd9660_read(void *); 103 int cd9660_readdir(void *); 104 int cd9660_readlink(void *); 105 int cd9660_inactive(void *); 106 int cd9660_reclaim(void *); 107 int cd9660_bmap(void *); 108 int cd9660_lock(void *); 109 int cd9660_unlock(void *); 110 int cd9660_strategy(void *); 111 int cd9660_print(void *); 112 int cd9660_islocked(void *); 113 int cd9660_pathconf(void *); 114 int cd9660_setattr(void *); 115 116 int cd9660_blkatoff(struct vnode *, off_t, char **, struct buf **); 117 void cd9660_defattr(struct iso_directory_record *, 118 struct iso_node *, struct buf *); 119 void cd9660_deftstamp(struct iso_directory_record *, 120 struct iso_node *, struct buf *); 121 int cd9660_tstamp_conv7(const u_char *, struct timespec *); 122 int cd9660_tstamp_conv17(const u_char *, struct timespec *); 123 124 #endif /* _KERNEL */ 125 #endif /* _ISOFS_CD9660_CD9660_NODE_H_ */ 126