bsd/isofs/cd9660/cd9660_node.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*      $NetBSD: cd9660_node.h,v 1.10 1994/12/24 15:30:09 cgd Exp $     */
  23
  24 /*-
  25  * Copyright (c) 1994
  26  *      The Regents of the University of California.  All rights reserved.
  27  *
  28  * This code is derived from software contributed to Berkeley
  29  * by Pace Willisson (pace@blitz.com).  The Rock Ridge Extension
  30  * Support code is derived from software contributed to Berkeley
  31  * by Atsushi Murai (amurai@spec.co.jp).
  32  *
  33  * Redistribution and use in source and binary forms, with or without
  34  * modification, are permitted provided that the following conditions
  35  * are met:
  36  * 1. Redistributions of source code must retain the above copyright
  37  *    notice, this list of conditions and the following disclaimer.
  38  * 2. Redistributions in binary form must reproduce the above copyright
  39  *    notice, this list of conditions and the following disclaimer in the
  40  *    documentation and/or other materials provided with the distribution.
  41  * 3. All advertising materials mentioning features or use of this software
  42  *    must display the following acknowledgement:
  43  *      This product includes software developed by the University of
  44  *      California, Berkeley and its contributors.
  45  * 4. Neither the name of the University nor the names of its contributors
  46  *    may be used to endorse or promote products derived from this software
  47  *    without specific prior written permission.
  48  *
  49  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  50  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  51  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  52  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  53  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  54  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  55  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  56  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  57  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  58  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  59  * SUCH DAMAGE.
  60  *
  61  *      @(#)cd9660_node.h       8.4 (Berkeley) 12/5/94
  62  */
  63 #ifndef _CD9660_NODE_H_
  64 #define _CD9660_NODE_H_
  65
  66 /*
  67  * Theoretically, directories can be more than 2Gb in length,
  68  * however, in practice this seems unlikely. So, we define
  69  * the type doff_t as a long to keep down the cost of doing
  70  * lookup on a 32-bit machine. If you are porting to a 64-bit
  71  * architecture, you should make doff_t the same as off_t.
  72  */
  73
  74 #include <sys/lock.h>
  75 #include <isofs/cd9660/iso.h>
  76
  77 #ifndef doff_t
  78 #define doff_t  long
  79 #endif
  80
  81 typedef struct  {
  82         struct timespec iso_atime;      /* time of last access */
  83         struct timespec iso_mtime;      /* time of last modification */
  84         struct timespec iso_ctime;      /* time file changed */
  85         uid_t           iso_uid;        /* owner user id */
  86         gid_t           iso_gid;        /* owner group id */
  87         u_short         iso_mode;       /* files access mode and type */
  88         short           iso_links;      /* links of file */
  89         dev_t           iso_rdev;       /* Major/Minor number for special */
  90 } ISO_RRIP_INODE;
  91
  92 #ifdef ISODEVMAP
  93 /*
  94  * FOr device# (major,minor) translation table
  95  */
  96 struct iso_dnode {
  97         struct iso_dnode *d_next, **d_prev;     /* hash chain */
  98         dev_t           i_dev;          /* device where dnode resides */
  99         ino_t           i_number;       /* the identity of the inode */
 100         dev_t           d_dev;          /* device # for translation */
 101 };
 102 #endif
 103
 104 /* <ufs/inode.h> defines i_size as a macro */
 105 #undef i_size
 106
 107 struct iso_node {
 108         struct  iso_node *i_next, **i_prev;     /* hash chain */
 109         struct  vnode *i_vnode; /* vnode associated with this inode */
 110         struct  vnode *i_devvp; /* vnode for block I/O */
 111         dev_t   i_dev;          /* device where inode resides */
 112         ino_t   i_number;       /* the identity of the inode */
 113                                 /* we use the actual starting block of the file */
 114         struct  iso_mnt *i_mnt; /* filesystem associated with this inode */
 115         struct  lockf *i_lockf; /* head of byte-level lock list */
 116         doff_t  i_endoff;       /* end of useful stuff in directory */
 117         doff_t  i_diroff;       /* offset in dir, where we found last entry */
 118         doff_t  i_offset;       /* offset of free space in directory */
 119         ino_t   i_ino;          /* inode number of found directory */
 120         struct   lock__bsd__ i_lock;    /* Inode lock. */
 121         long iso_extent;        /* extent of file */
 122         long i_size;
 123         long iso_start;         /* actual start of data of file (may be different */
 124                                 /* from iso_extent, if file has extended attributes) */
 125         ISO_RRIP_INODE  inode;
 126
 127         ino_t   i_parent;               /* inode number of parent directory */
 128         u_char  *i_namep;               /* node name buffer */
 129
 130         /* support Apple extensions to ISO directory rec */
 131         long            i_rsrcsize;     /* cached size of associated file */
 132         u_int32_t       i_FileType;     /* MacOS file type */
 133         u_int32_t       i_Creator;      /* MacOS file creator */
 134         u_int16_t       i_FinderFlags;  /* MacOS finder flags */
 135
 136         u_int16_t       i_entries;      /* count of directory entries */
 137 };
 138
 139 #define i_forw          i_chain[0]
 140 #define i_back          i_chain[1]
 141
 142
 143 /* <ufs/inode.h> defines VTOI and ITOV macros */
 144 #undef VTOI
 145 #undef ITOV
 146
 147 #define VTOI(vp) ((struct iso_node *)(vp)->v_data)
 148 #define ITOV(ip) ((ip)->i_vnode)
 149
 150 /*
 151  * Prototypes for ISOFS vnode operations
 152  */
 153 int cd9660_lookup __P((struct vop_lookup_args *));
 154 int cd9660_open __P((struct vop_open_args *));
 155 int cd9660_close __P((struct vop_close_args *));
 156 int cd9660_access __P((struct vop_access_args *));
 157 int cd9660_getattr __P((struct vop_getattr_args *));
 158 int cd9660_read __P((struct vop_read_args *));
 159 int cd9660_ioctl __P((struct vop_ioctl_args *));
 160 int cd9660_select __P((struct vop_select_args *));
 161 int cd9660_mmap __P((struct vop_mmap_args *));
 162 int cd9660_seek __P((struct vop_seek_args *));
 163 int cd9660_readdir __P((struct vop_readdir_args *));
 164 int cd9660_readlink __P((struct vop_readlink_args *));
 165 int cd9660_abortop __P((struct vop_abortop_args *));
 166 int cd9660_inactive __P((struct vop_inactive_args *));
 167 int cd9660_reclaim __P((struct vop_reclaim_args *));
 168 int cd9660_bmap __P((struct vop_bmap_args *));
 169 int cd9660_lock __P((struct vop_lock_args *));
 170 int cd9660_unlock __P((struct vop_unlock_args *));
 171 int cd9660_strategy __P((struct vop_strategy_args *));
 172 int cd9660_print __P((struct vop_print_args *));
 173 int cd9660_islocked __P((struct vop_islocked_args *));
 174 int cd9660_pathconf __P((struct vop_pathconf_args *));
 175 int cd9660_blkatoff __P((struct vop_blkatoff_args *));
 176
 177 void cd9660_defattr __P((struct iso_directory_record *,
 178                         struct iso_node *, struct buf *));
 179 void cd9660_deftstamp __P((struct iso_directory_record *,
 180                         struct iso_node *, struct buf *));
 181 struct vnode *cd9660_ihashget __P((dev_t, ino_t, struct proc *));
 182 void cd9660_ihashins __P((struct iso_node *));
 183 void cd9660_ihashrem __P((struct iso_node *));
 184 int cd9660_tstamp_conv7 __P((u_char *, struct timespec *));
 185 int cd9660_tstamp_conv17 __P((u_char *, struct timespec *));
 186 ino_t isodirino __P((struct iso_directory_record *, struct iso_mnt *));
 187 #ifdef  ISODEVMAP
 188 struct iso_dnode *iso_dmap __P((dev_t, ino_t, int));
 189 void iso_dunmap __P((dev_t));
 190 #endif
 191
 192 #endif /* ! _CD9660_NODE_H_ */