1 /*- 2 * Copyright (c) 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley 6 * by Pace Willisson (pace@blitz.com). The Rock Ridge Extension 7 * Support code is derived from software contributed to Berkeley 8 * by Atsushi Murai (amurai@spec.co.jp). 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the University of 21 * California, Berkeley and its contributors. 22 * 4. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)cd9660_node.h 8.6 (Berkeley) 5/14/95 39 * $FreeBSD$ 40 */ 41 42 /* 43 * Theoretically, directories can be more than 2Gb in length, 44 * however, in practice this seems unlikely. So, we define 45 * the type doff_t as a long to keep down the cost of doing 46 * lookup on a 32-bit machine. If you are porting to a 64-bit 47 * architecture, you should make doff_t the same as off_t. 48 */ 49 #define doff_t long 50 51 typedef struct { 52 struct timespec iso_atime; /* time of last access */ 53 struct timespec iso_mtime; /* time of last modification */ 54 struct timespec iso_ctime; /* time file changed */ 55 u_short iso_mode; /* files access mode and type */ 56 uid_t iso_uid; /* owner user id */ 57 gid_t iso_gid; /* owner group id */ 58 short iso_links; /* links of file */ 59 udev_t iso_rdev; /* Major/Minor number for special */ 60 } ISO_RRIP_INODE; 61 62 63 struct iso_node { 64 struct iso_node *i_next, **i_prev; /* hash chain */ 65 struct vnode *i_vnode; /* vnode associated with this inode */ 66 struct vnode *i_devvp; /* vnode for block I/O */ 67 u_long i_flag; /* see below */ 68 dev_t i_dev; /* device where inode resides */ 69 ino_t i_number; /* the identity of the inode */ 70 /* we use the actual starting block of the file */ 71 struct iso_mnt *i_mnt; /* filesystem associated with this inode */ 72 struct lockf *i_lockf; /* head of byte-level lock list */ 73 doff_t i_endoff; /* end of useful stuff in directory */ 74 doff_t i_diroff; /* offset in dir, where we found last entry */ 75 doff_t i_offset; /* offset of free space in directory */ 76 ino_t i_ino; /* inode number of found directory */ 77 78 long iso_extent; /* extent of file */ 79 long i_size; 80 long iso_start; /* actual start of data of file (may be different */ 81 /* from iso_extent, if file has extended attributes) */ 82 ISO_RRIP_INODE inode; 83 }; 84 85 #define i_forw i_chain[0] 86 #define i_back i_chain[1] 87 88 /* flags */ 89 #define IN_ACCESS 0x0020 /* inode access time to be updated */ 90 91 #define VTOI(vp) ((struct iso_node *)(vp)->v_data) 92 #define ITOV(ip) ((ip)->i_vnode) 93 94 #ifdef _KERNEL 95 96 #ifdef MALLOC_DECLARE 97 MALLOC_DECLARE(M_ISOFSMNT); 98 MALLOC_DECLARE(M_ISOFSNODE); 99 #endif 100 101 struct buf; 102 struct vop_bmap_args; 103 struct vop_cachedlookup_args; 104 struct vop_inactive_args; 105 struct vop_reclaim_args; 106 107 /* 108 * Prototypes for ISOFS vnode operations 109 */ 110 int cd9660_lookup(struct vop_cachedlookup_args *); 111 int cd9660_inactive(struct vop_inactive_args *); 112 int cd9660_reclaim(struct vop_reclaim_args *); 113 int cd9660_bmap(struct vop_bmap_args *); 114 int cd9660_blkatoff(struct vnode *vp, off_t offset, char **res, struct buf **bpp); 115 116 void cd9660_defattr(struct iso_directory_record *, 117 struct iso_node *, struct buf *, enum ISO_FTYPE); 118 void cd9660_deftstamp(struct iso_directory_record *, 119 struct iso_node *, struct buf *, enum ISO_FTYPE); 120 int cd9660_ihashget(dev_t, ino_t, int, struct vnode **); 121 void cd9660_ihashins(struct iso_node *); 122 int cd9660_tstamp_conv7(u_char *, struct timespec *, enum ISO_FTYPE); 123 int cd9660_tstamp_conv17(u_char *, struct timespec *); 124 125 #endif /* _KERNEL */ 126