1 /* $OpenBSD: cd9660_extern.h,v 1.6 2001/02/20 01:50:08 assar Exp $ */ 2 /* $NetBSD: cd9660_extern.h,v 1.1 1997/01/24 00:24:53 cgd Exp $ */ 3 4 /*- 5 * Copyright (c) 1994 6 * The Regents of the University of California. All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley 9 * by Pace Willisson (pace@blitz.com). The Rock Ridge Extension 10 * Support code is derived from software contributed to Berkeley 11 * by Atsushi Murai (amurai@spec.co.jp). 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 3. All advertising materials mentioning features or use of this software 22 * must display the following acknowledgement: 23 * This product includes software developed by the University of 24 * California, Berkeley and its contributors. 25 * 4. Neither the name of the University nor the names of its contributors 26 * may be used to endorse or promote products derived from this software 27 * without specific prior written permission. 28 * 29 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 30 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 31 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 32 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 33 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 34 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 35 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 37 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 38 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 39 * SUCH DAMAGE. 40 * 41 * @(#)iso.h 8.4 (Berkeley) 12/5/94 42 */ 43 44 /* 45 * Definitions used in the kernel for cd9660 file system support. 46 */ 47 48 /* CD-ROM Format type */ 49 enum ISO_FTYPE { ISO_FTYPE_DEFAULT, ISO_FTYPE_9660, ISO_FTYPE_RRIP, ISO_FTYPE_ECMA }; 50 51 #ifndef ISOFSMNT_ROOT 52 #define ISOFSMNT_ROOT 0 53 #endif 54 55 struct iso_mnt { 56 int im_flags; 57 58 struct mount *im_mountp; 59 dev_t im_dev; 60 struct vnode *im_devvp; 61 62 int logical_block_size; 63 int im_bshift; 64 int im_bmask; 65 66 int volume_space_size; 67 struct netexport im_export; 68 69 char root[ISODCL (157, 190)]; 70 int root_extent; 71 int root_size; 72 enum ISO_FTYPE iso_ftype; 73 74 int rr_skip; 75 int rr_skip0; 76 77 int joliet_level; 78 }; 79 80 #define VFSTOISOFS(mp) ((struct iso_mnt *)((mp)->mnt_data)) 81 82 #define blkoff(imp, loc) ((loc) & (imp)->im_bmask) 83 #define lblktosize(imp, blk) ((blk) << (imp)->im_bshift) 84 #define lblkno(imp, loc) ((loc) >> (imp)->im_bshift) 85 #define blksize(imp, ip, lbn) ((imp)->logical_block_size) 86 87 int cd9660_mount __P((struct mount *, const char *, void *, 88 struct nameidata *, struct proc *)); 89 int cd9660_start __P((struct mount *, int, struct proc *)); 90 int cd9660_unmount __P((struct mount *, int, struct proc *)); 91 int cd9660_root __P((struct mount *, struct vnode **)); 92 int cd9660_quotactl __P((struct mount *, int, uid_t, caddr_t, struct proc *)); 93 int cd9660_statfs __P((struct mount *, struct statfs *, struct proc *)); 94 int cd9660_sync __P((struct mount *, int, struct ucred *, struct proc *)); 95 int cd9660_vget __P((struct mount *, ino_t, struct vnode **)); 96 int cd9660_fhtovp __P((struct mount *, struct fid *, struct vnode **)); 97 int cd9660_vptofh __P((struct vnode *, struct fid *)); 98 int cd9660_init __P((struct vfsconf *)); 99 int cd9660_check_export __P((struct mount *, struct mbuf *, int *, 100 struct ucred **)); 101 #define cd9660_sysctl ((int (*) __P((int *, u_int, void *, size_t *, void *, \ 102 size_t, struct proc *)))eopnotsupp) 103 104 int cd9660_mountroot __P((void)); 105 106 extern int (**cd9660_vnodeop_p) __P((void *)); 107 extern int (**cd9660_specop_p) __P((void *)); 108 #ifdef FIFO 109 extern int (**cd9660_fifoop_p) __P((void *)); 110 #endif 111 112 int isochar __P((const u_char *, const u_char *, int, u_char *)); 113 int isofncmp __P((const u_char *, int, const u_char *, int, int)); 114 void isofntrans __P((u_char *, int, u_char *, u_short *, int, int, int)); 115 ino_t isodirino __P((struct iso_directory_record *, struct iso_mnt *)); 116