cd9660_node.h (4364B) - Raw
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 * @(#)cd9660_node.h 8.6 (Berkeley) 5/14/95 37 */ 38 39 /* 40 * Theoretically, directories can be more than 2Gb in length, 41 * however, in practice this seems unlikely. So, we define 42 * the type doff_t as a long to keep down the cost of doing 43 * lookup on a 32-bit machine. If you are porting to a 64-bit 44 * architecture, you should make doff_t the same as off_t. 45 */ 46 #define doff_t long 47 48 typedef struct { 49 struct timespec iso_atime; /* time of last access */ 50 struct timespec iso_mtime; /* time of last modification */ 51 struct timespec iso_ctime; /* time file changed */ 52 u_short iso_mode; /* files access mode and type */ 53 uid_t iso_uid; /* owner user id */ 54 gid_t iso_gid; /* owner group id */ 55 short iso_links; /* links of file */ 56 dev_t iso_rdev; /* Major/Minor number for special */ 57 } ISO_RRIP_INODE; 58 59 struct iso_node { 60 struct vnode *i_vnode; /* vnode associated with this inode */ 61 cd_ino_t i_number; /* the identity of the inode */ 62 /* we use the actual starting block of the file */ 63 struct iso_mnt *i_mnt; /* filesystem associated with this inode */ 64 struct lockf *i_lockf; /* head of byte-level lock list */ 65 doff_t i_endoff; /* end of useful stuff in directory */ 66 doff_t i_diroff; /* offset in dir, where we found last entry */ 67 68 long iso_extent; /* extent of file */ 69 unsigned long i_size; 70 long iso_start; /* actual start of data of file (may be different */ 71 /* from iso_extent, if file has extended attributes) */ 72 ISO_RRIP_INODE inode; 73 }; 74 75 #define i_forw i_chain[0] 76 #define i_back i_chain[1] 77 78 #define VTOI(vp) ((struct iso_node *)(vp)->v_data) 79 #define ITOV(ip) ((ip)->i_vnode) 80 81 #ifdef _KERNEL 82 83 #ifdef MALLOC_DECLARE 84 MALLOC_DECLARE(M_ISOFSMNT); 85 MALLOC_DECLARE(M_ISOFSNODE); 86 #endif 87 88 struct buf; 89 struct vop_bmap_args; 90 struct vop_cachedlookup_args; 91 struct vop_inactive_args; 92 struct vop_reclaim_args; 93 94 /* 95 * Prototypes for ISOFS vnode operations 96 */ 97 int cd9660_lookup(struct vop_cachedlookup_args *); 98 int cd9660_inactive(struct vop_inactive_args *); 99 int cd9660_reclaim(struct vop_reclaim_args *); 100 int cd9660_bmap(struct vop_bmap_args *); 101 int cd9660_blkatoff(struct vnode *vp, off_t offset, char **res, struct buf **bpp); 102 103 void cd9660_defattr(struct iso_directory_record *, 104 struct iso_node *, struct buf *, enum ISO_FTYPE); 105 void cd9660_deftstamp(struct iso_directory_record *, 106 struct iso_node *, struct buf *, enum ISO_FTYPE); 107 int cd9660_tstamp_conv7(u_char *, struct timespec *, enum ISO_FTYPE); 108 int cd9660_tstamp_conv17(u_char *, struct timespec *); 109 110 #endif /* _KERNEL */