1 /* $NetBSD: cd9660_extern.h,v 1.2 2003/02/01 06:23:41 thorpej 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. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the University of 23 * California, Berkeley and its contributors. 24 * 4. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 * 40 * @(#)iso.h 8.4 (Berkeley) 12/5/94 41 */ 42 43 /* 44 * Definitions used in the kernel for cd9660 file system support. 45 */ 46 47 #include <sys/mallocvar.h> 48 MALLOC_DECLARE(M_ISOFSMNT); 49 50 /* CD-ROM Format type */ 51 enum ISO_FTYPE { ISO_FTYPE_DEFAULT, ISO_FTYPE_9660, ISO_FTYPE_RRIP, ISO_FTYPE_ECMA }; 52 53 #ifndef ISOFSMNT_ROOT 54 #define ISOFSMNT_ROOT 0 55 #endif 56 57 struct iso_mnt { 58 int im_flags; 59 int im_joliet_level; 60 61 struct mount *im_mountp; 62 dev_t im_dev; 63 struct vnode *im_devvp; 64 65 int logical_block_size; 66 int im_bshift; 67 int im_bmask; 68 69 int volume_space_size; 70 struct netexport im_export; 71 72 char root[ISODCL (157, 190)]; 73 int root_extent; 74 int root_size; 75 enum ISO_FTYPE iso_ftype; 76 77 int rr_skip; 78 int rr_skip0; 79 }; 80 81 #define VFSTOISOFS(mp) ((struct iso_mnt *)((mp)->mnt_data)) 82 83 #define blkoff(imp, loc) ((loc) & (imp)->im_bmask) 84 #define lblktosize(imp, blk) ((blk) << (imp)->im_bshift) 85 #define lblkno(imp, loc) ((loc) >> (imp)->im_bshift) 86 #define blksize(imp, ip, lbn) ((imp)->logical_block_size) 87 88 extern struct pool cd9660_node_pool; 89 90 int cd9660_mount __P((struct mount *, 91 const char *, void *, struct nameidata *, struct proc *)); 92 int cd9660_start __P((struct mount *, int, struct proc *)); 93 int cd9660_unmount __P((struct mount *, int, struct proc *)); 94 int cd9660_root __P((struct mount *, struct vnode **)); 95 int cd9660_quotactl __P((struct mount *, int, uid_t, caddr_t, struct proc *)); 96 int cd9660_statfs __P((struct mount *, struct statfs *, struct proc *)); 97 int cd9660_sync __P((struct mount *, int, struct ucred *, struct proc *)); 98 int cd9660_vget __P((struct mount *, ino_t, struct vnode **)); 99 int cd9660_fhtovp __P((struct mount *, struct fid *, struct vnode **)); 100 int cd9660_check_export __P((struct mount *, struct mbuf *, int *, 101 struct ucred **)); 102 int cd9660_vptofh __P((struct vnode *, struct fid *)); 103 void cd9660_init __P((void)); 104 void cd9660_reinit __P((void)); 105 void cd9660_done __P((void)); 106 int cd9660_sysctl __P((int *, u_int, void *, size_t *, void *, size_t, 107 struct proc *)); 108 109 int cd9660_mountroot __P((void)); 110 111 extern int (**cd9660_vnodeop_p) __P((void *)); 112 extern int (**cd9660_specop_p) __P((void *)); 113 extern int (**cd9660_fifoop_p) __P((void *)); 114 115 int isochar __P((const u_char *, const u_char *, int, u_char *)); 116 int isofncmp __P((const u_char *, int, const u_char *, int, int)); 117 void isofntrans __P((u_char *, int, u_char *, u_short *, int, int, int, int)); 118 ino_t isodirino __P((struct iso_directory_record *, struct iso_mnt *)); 119