1 /* $NetBSD: cd9660_extern.h,v 1.10 2004/05/20 06:34:26 atatat 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 * @(#)iso.h 8.4 (Berkeley) 12/5/94 37 */ 38 39 /* 40 * Definitions used in the kernel for cd9660 file system support. 41 */ 42 43 #include <sys/mallocvar.h> 44 MALLOC_DECLARE(M_ISOFSMNT); 45 46 /* CD-ROM Format type */ 47 enum ISO_FTYPE { ISO_FTYPE_DEFAULT, ISO_FTYPE_9660, ISO_FTYPE_RRIP, ISO_FTYPE_ECMA }; 48 49 #ifndef ISOFSMNT_ROOT 50 #define ISOFSMNT_ROOT 0 51 #endif 52 53 struct iso_mnt { 54 int im_flags; 55 int im_joliet_level; 56 57 struct mount *im_mountp; 58 dev_t im_dev; 59 struct vnode *im_devvp; 60 61 int logical_block_size; 62 int im_bshift; 63 int im_bmask; 64 65 int volume_space_size; 66 struct netexport im_export; 67 68 char root[ISODCL (157, 190)]; 69 int root_extent; 70 int root_size; 71 enum ISO_FTYPE iso_ftype; 72 73 int rr_skip; 74 int rr_skip0; 75 }; 76 77 #define VFSTOISOFS(mp) ((struct iso_mnt *)((mp)->mnt_data)) 78 79 #define blkoff(imp, loc) ((loc) & (imp)->im_bmask) 80 #define lblktosize(imp, blk) ((blk) << (imp)->im_bshift) 81 #define lblkno(imp, loc) ((loc) >> (imp)->im_bshift) 82 #define blksize(imp, ip, lbn) ((imp)->logical_block_size) 83 84 extern struct pool cd9660_node_pool; 85 86 int cd9660_mount __P((struct mount *, 87 const char *, void *, struct nameidata *, struct proc *)); 88 int cd9660_start __P((struct mount *, int, struct proc *)); 89 int cd9660_unmount __P((struct mount *, int, struct proc *)); 90 int cd9660_root __P((struct mount *, struct vnode **)); 91 int cd9660_quotactl __P((struct mount *, int, uid_t, void *, struct proc *)); 92 int cd9660_statvfs __P((struct mount *, struct statvfs *, struct proc *)); 93 int cd9660_sync __P((struct mount *, int, struct ucred *, struct proc *)); 94 int cd9660_vget __P((struct mount *, ino_t, struct vnode **)); 95 int cd9660_fhtovp __P((struct mount *, struct fid *, struct vnode **)); 96 int cd9660_check_export __P((struct mount *, struct mbuf *, int *, 97 struct ucred **)); 98 int cd9660_vptofh __P((struct vnode *, struct fid *)); 99 void cd9660_init __P((void)); 100 void cd9660_reinit __P((void)); 101 void cd9660_done __P((void)); 102 103 #ifdef SYSCTL_SETUP_PROTO 104 SYSCTL_SETUP_PROTO(sysctl_vfs_cd9660_setup); 105 #endif /* SYSCTL_SETUP_PROTO */ 106 107 int cd9660_mountroot __P((void)); 108 109 extern int (**cd9660_vnodeop_p) __P((void *)); 110 extern int (**cd9660_specop_p) __P((void *)); 111 extern int (**cd9660_fifoop_p) __P((void *)); 112 113 int isochar __P((const u_char *, const u_char *, int, u_char *)); 114 int isofncmp __P((const u_char *, int, const u_char *, int, int)); 115 void isofntrans __P((u_char *, int, u_char *, u_short *, int, int, int, int)); 116 ino_t isodirino __P((struct iso_directory_record *, struct iso_mnt *)); 117