| 1 | /* $NetBSD: cd9660_node.h,v 1.16 2014/06/16 09:55:49 hannken 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 | #define cd9660_open genfs_nullop |
| 101 | #define cd9660_close genfs_nullop |
| 102 | int cd9660_access(void *); |
| 103 | int cd9660_getattr(void *); |
| 104 | int cd9660_read(void *); |
| 105 | #define cd9660_ioctl genfs_enoioctl |
| 106 | #define cd9660_poll genfs_poll |
| 107 | #define cd9660_mmap genfs_mmap |
| 108 | #define cd9660_seek genfs_seek |
| 109 | int cd9660_readdir(void *); |
| 110 | int cd9660_readlink(void *); |
| 111 | #define cd9660_abortop genfs_abortop |
| 112 | int cd9660_inactive(void *); |
| 113 | int cd9660_reclaim(void *); |
| 114 | int cd9660_link(void *); |
| 115 | int cd9660_symlink(void *); |
| 116 | int cd9660_bmap(void *); |
| 117 | int cd9660_lock(void *); |
| 118 | int cd9660_unlock(void *); |
| 119 | int cd9660_strategy(void *); |
| 120 | int cd9660_print(void *); |
| 121 | int cd9660_islocked(void *); |
| 122 | int cd9660_pathconf(void *); |
| 123 | int cd9660_setattr(void *); |
| 124 | |
| 125 | int cd9660_blkatoff(struct vnode *, off_t, char **, struct buf **); |
| 126 | void cd9660_defattr(struct iso_directory_record *, |
| 127 | struct iso_node *, struct buf *); |
| 128 | void cd9660_deftstamp(struct iso_directory_record *, |
| 129 | struct iso_node *, struct buf *); |
| 130 | int cd9660_tstamp_conv7(const u_char *, struct timespec *); |
| 131 | int cd9660_tstamp_conv17(const u_char *, struct timespec *); |
| 132 | |
| 133 | #endif /* _KERNEL */ |
| 134 | #endif /* _ISOFS_CD9660_CD9660_NODE_H_ */ |
| 135 | |