1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 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 37 /* 38 * Theoretically, directories can be more than 2Gb in length, 39 * however, in practice this seems unlikely. So, we define 40 * the type doff_t as a long to keep down the cost of doing 41 * lookup on a 32-bit machine. If you are porting to a 64-bit 42 * architecture, you should make doff_t the same as off_t. 43 */ 44 #define doff_t long 45 46 typedef struct { 47 struct timespec iso_atime; /* time of last access */ 48 struct timespec iso_mtime; /* time of last modification */ 49 struct timespec iso_ctime; /* time file changed */ 50 u_short iso_mode; /* files access mode and type */ 51 uid_t iso_uid; /* owner user id */ 52 gid_t iso_gid; /* owner group id */ 53 short iso_links; /* links of file */ 54 dev_t iso_rdev; /* Major/Minor number for special */ 55 } ISO_RRIP_INODE; 56 57 struct iso_node { 58 struct vnode *i_vnode; /* vnode associated with this inode */ 59 cd_ino_t i_number; /* the identity of the inode */ 60 /* we use the actual starting block of the file */ 61 struct iso_mnt *i_mnt; /* filesystem associated with this inode */ 62 struct lockf *i_lockf; /* head of byte-level lock list */ 63 doff_t i_endoff; /* end of useful stuff in directory */ 64 doff_t i_diroff; /* offset in dir, where we found last entry */ 65 66 long iso_extent; /* extent of file */ 67 unsigned long i_size; 68 long iso_start; /* actual start of data of file (may be different */ 69 /* from iso_extent, if file has extended attributes) */ 70 ISO_RRIP_INODE inode; 71 }; 72 73 #define i_forw i_chain[0] 74 #define i_back i_chain[1] 75 76 #define VTOI(vp) ((struct iso_node *)(vp)->v_data) 77 #define ITOV(ip) ((ip)->i_vnode) 78 79 #ifdef _KERNEL 80 81 #ifdef MALLOC_DECLARE 82 MALLOC_DECLARE(M_ISOFSMNT); 83 MALLOC_DECLARE(M_ISOFSNODE); 84 #endif 85 86 struct buf; 87 struct vop_bmap_args; 88 struct vop_cachedlookup_args; 89 struct vop_inactive_args; 90 struct vop_reclaim_args; 91 92 /* 93 * Prototypes for ISOFS vnode operations 94 */ 95 int cd9660_lookup(struct vop_cachedlookup_args *); 96 int cd9660_inactive(struct vop_inactive_args *); 97 int cd9660_reclaim(struct vop_reclaim_args *); 98 int cd9660_bmap(struct vop_bmap_args *); 99 int cd9660_blkatoff(struct vnode *vp, off_t offset, char **res, struct buf **bpp); 100 101 void cd9660_defattr(struct iso_directory_record *, 102 struct iso_node *, struct buf *, enum ISO_FTYPE); 103 void cd9660_deftstamp(struct iso_directory_record *, 104 struct iso_node *, struct buf *, enum ISO_FTYPE); 105 int cd9660_tstamp_conv7(u_char *, struct timespec *, enum ISO_FTYPE); 106 int cd9660_tstamp_conv17(u_char *, struct timespec *); 107 108 #endif /* _KERNEL */ 109