bsd/isofs/cd9660/cd9660_node.h

   1 /*
   2  * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*      $NetBSD: cd9660_node.h,v 1.10 1994/12/24 15:30:09 cgd Exp $     */
  26
  27 /*-
  28  * Copyright (c) 1994
  29  *      The Regents of the University of California.  All rights reserved.
  30  *
  31  * This code is derived from software contributed to Berkeley
  32  * by Pace Willisson (pace@blitz.com).  The Rock Ridge Extension
  33  * Support code is derived from software contributed to Berkeley
  34  * by Atsushi Murai (amurai@spec.co.jp).
  35  *
  36  * Redistribution and use in source and binary forms, with or without
  37  * modification, are permitted provided that the following conditions
  38  * are met:
  39  * 1. Redistributions of source code must retain the above copyright
  40  *    notice, this list of conditions and the following disclaimer.
  41  * 2. Redistributions in binary form must reproduce the above copyright
  42  *    notice, this list of conditions and the following disclaimer in the
  43  *    documentation and/or other materials provided with the distribution.
  44  * 3. All advertising materials mentioning features or use of this software
  45  *    must display the following acknowledgement:
  46  *      This product includes software developed by the University of
  47  *      California, Berkeley and its contributors.
  48  * 4. Neither the name of the University nor the names of its contributors
  49  *    may be used to endorse or promote products derived from this software
  50  *    without specific prior written permission.
  51  *
  52  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  53  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  54  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  55  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  56  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  57  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  58  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  59  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  60  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  61  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  62  * SUCH DAMAGE.
  63  *
  64  *      @(#)cd9660_node.h       8.4 (Berkeley) 12/5/94
  65  */
  66 #ifndef _CD9660_NODE_H_
  67 #define _CD9660_NODE_H_
  68
  69 #include <sys/appleapiopts.h>
  70
  71 #ifdef __APPLE_API_PRIVATE
  72 /*
  73  * Theoretically, directories can be more than 2Gb in length,
  74  * however, in practice this seems unlikely. So, we define
  75  * the type doff_t as a long to keep down the cost of doing
  76  * lookup on a 32-bit machine. If you are porting to a 64-bit
  77  * architecture, you should make doff_t the same as off_t.
  78  */
  79
  80 #include <sys/lock.h>
  81 #include <isofs/cd9660/iso.h>
  82
  83 #ifndef doff_t
  84 #define doff_t  long
  85 #endif
  86
  87 typedef struct  {
  88         struct timespec iso_atime;      /* time of last access */
  89         struct timespec iso_mtime;      /* time of last modification */
  90         struct timespec iso_ctime;      /* time file changed */
  91         uid_t           iso_uid;        /* owner user id */
  92         gid_t           iso_gid;        /* owner group id */
  93         u_short         iso_mode;       /* files access mode and type */
  94         short           iso_links;      /* links of file */
  95         dev_t           iso_rdev;       /* Major/Minor number for special */
  96 } ISO_RRIP_INODE;
  97
  98 #ifdef ISODEVMAP
  99 /*
 100  * FOr device# (major,minor) translation table
 101  */
 102 struct iso_dnode {
 103         struct iso_dnode *d_next, **d_prev;     /* hash chain */
 104         dev_t           i_dev;          /* device where dnode resides */
 105         ino_t           i_number;       /* the identity of the inode */
 106         dev_t           d_dev;          /* device # for translation */
 107 };
 108 #endif
 109
 110 /* <ufs/inode.h> defines i_size as a macro */
 111 #undef i_size
 112
 113 struct iso_node {
 114         struct  iso_node *i_next, **i_prev;     /* hash chain */
 115         struct  vnode *i_vnode; /* vnode associated with this inode */
 116         struct  vnode *i_devvp; /* vnode for block I/O */
 117         dev_t   i_dev;          /* device where inode resides */
 118         ino_t   i_number;       /* the identity of the inode */
 119                                 /* we use the actual starting block of the file */
 120         struct  iso_mnt *i_mnt; /* filesystem associated with this inode */
 121         struct  lockf *i_lockf; /* head of byte-level lock list */
 122         doff_t  i_endoff;       /* end of useful stuff in directory */
 123         doff_t  i_diroff;       /* offset in dir, where we found last entry */
 124         doff_t  i_offset;       /* offset of free space in directory */
 125         ino_t   i_ino;          /* inode number of found directory */
 126         struct   lock__bsd__ i_lock;    /* Inode lock. */
 127         long iso_extent;        /* extent of file */
 128         long i_size;
 129         long iso_start;         /* actual start of data of file (may be different */
 130                                 /* from iso_extent, if file has extended attributes) */
 131         ISO_RRIP_INODE  inode;
 132
 133         ino_t   i_parent;               /* inode number of parent directory */
 134         u_char  *i_namep;               /* node name buffer */
 135
 136         /* support Apple extensions to ISO directory rec */
 137         long            i_rsrcsize;     /* cached size of associated file */
 138         u_int32_t       i_FileType;     /* MacOS file type */
 139         u_int32_t       i_Creator;      /* MacOS file creator */
 140         u_int16_t       i_FinderFlags;  /* MacOS finder flags */
 141
 142         u_int16_t       i_entries;      /* count of directory entries */
 143 };
 144
 145 #define i_forw          i_chain[0]
 146 #define i_back          i_chain[1]
 147
 148
 149 /* <ufs/inode.h> defines VTOI and ITOV macros */
 150 #undef VTOI
 151 #undef ITOV
 152
 153 #define VTOI(vp) ((struct iso_node *)(vp)->v_data)
 154 #define ITOV(ip) ((ip)->i_vnode)
 155
 156 /*
 157  * Prototypes for ISOFS vnode operations
 158  */
 159 int cd9660_lookup __P((struct vop_lookup_args *));
 160 int cd9660_open __P((struct vop_open_args *));
 161 int cd9660_close __P((struct vop_close_args *));
 162 int cd9660_access __P((struct vop_access_args *));
 163 int cd9660_getattr __P((struct vop_getattr_args *));
 164 int cd9660_read __P((struct vop_read_args *));
 165 int cd9660_ioctl __P((struct vop_ioctl_args *));
 166 int cd9660_select __P((struct vop_select_args *));
 167 int cd9660_mmap __P((struct vop_mmap_args *));
 168 int cd9660_seek __P((struct vop_seek_args *));
 169 int cd9660_readdir __P((struct vop_readdir_args *));
 170 int cd9660_readlink __P((struct vop_readlink_args *));
 171 int cd9660_abortop __P((struct vop_abortop_args *));
 172 int cd9660_inactive __P((struct vop_inactive_args *));
 173 int cd9660_reclaim __P((struct vop_reclaim_args *));
 174 int cd9660_bmap __P((struct vop_bmap_args *));
 175 int cd9660_lock __P((struct vop_lock_args *));
 176 int cd9660_unlock __P((struct vop_unlock_args *));
 177 int cd9660_strategy __P((struct vop_strategy_args *));
 178 int cd9660_print __P((struct vop_print_args *));
 179 int cd9660_islocked __P((struct vop_islocked_args *));
 180 int cd9660_pathconf __P((struct vop_pathconf_args *));
 181 int cd9660_blkatoff __P((struct vop_blkatoff_args *));
 182
 183 void cd9660_defattr __P((struct iso_directory_record *,
 184                         struct iso_node *, struct buf *));
 185 void cd9660_deftstamp __P((struct iso_directory_record *,
 186                         struct iso_node *, struct buf *));
 187 struct vnode *cd9660_ihashget __P((dev_t, ino_t, struct proc *));
 188 void cd9660_ihashins __P((struct iso_node *));
 189 void cd9660_ihashrem __P((struct iso_node *));
 190 int cd9660_tstamp_conv7 __P((u_char *, struct timespec *));
 191 int cd9660_tstamp_conv17 __P((u_char *, struct timespec *));
 192 ino_t isodirino __P((struct iso_directory_record *, struct iso_mnt *));
 193 #ifdef  ISODEVMAP
 194 struct iso_dnode *iso_dmap __P((dev_t, ino_t, int));
 195 void iso_dunmap __P((dev_t));
 196 #endif
 197
 198 #endif /* __APPLE_API_PRIVATE */
 199 #endif /* ! _CD9660_NODE_H_ */