1 /* $NetBSD: cd9660_extern.h,v 1.12 2004/12/28 01:12:26 jdolecek 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 /* 47 * Sysctl values for the cd9660 filesystem. 48 */ 49 #define CD9660_UTF8_JOLIET 1 /* UTF-8 encode Joliet file names */ 50 51 #define CD9660_NAMES { \ 52 { 0, 0 }, \ 53 { "utf8_joliet", CTLTYPE_INT }, \ 54 } 55 56 57 /* CD-ROM Format type */ 58 enum ISO_FTYPE { ISO_FTYPE_DEFAULT, ISO_FTYPE_9660, ISO_FTYPE_RRIP, ISO_FTYPE_ECMA }; 59 60 #ifndef ISOFSMNT_ROOT 61 #define ISOFSMNT_ROOT 0 62 #endif 63 64 struct iso_mnt { 65 int im_flags; 66 int im_joliet_level; 67 68 struct mount *im_mountp; 69 dev_t im_dev; 70 struct vnode *im_devvp; 71 72 int logical_block_size; 73 int im_bshift; 74 int im_bmask; 75 76 int volume_space_size; 77 struct netexport im_export; 78 79 char root[ISODCL (157, 190)]; 80 int root_extent; 81 int root_size; 82 enum ISO_FTYPE iso_ftype; 83 84 int rr_skip; 85 int rr_skip0; 86 }; 87 88 #define VFSTOISOFS(mp) ((struct iso_mnt *)((mp)->mnt_data)) 89 90 #define blkoff(imp, loc) ((loc) & (imp)->im_bmask) 91 #define lblktosize(imp, blk) ((blk) << (imp)->im_bshift) 92 #define lblkno(imp, loc) ((loc) >> (imp)->im_bshift) 93 #define blksize(imp, ip, lbn) ((imp)->logical_block_size) 94 95 extern struct pool cd9660_node_pool; 96 extern int cd9660_utf8_joliet; 97 98 int cd9660_mount __P((struct mount *, 99 const char *, void *, struct nameidata *, struct proc *)); 100 int cd9660_start __P((struct mount *, int, struct proc *)); 101 int cd9660_unmount __P((struct mount *, int, struct proc *)); 102 int cd9660_root __P((struct mount *, struct vnode **)); 103 int cd9660_quotactl __P((struct mount *, int, uid_t, void *, struct proc *)); 104 int cd9660_statvfs __P((struct mount *, struct statvfs *, struct proc *)); 105 int cd9660_sync __P((struct mount *, int, struct ucred *, struct proc *)); 106 int cd9660_vget __P((struct mount *, ino_t, struct vnode **)); 107 int cd9660_fhtovp __P((struct mount *, struct fid *, struct vnode **)); 108 int cd9660_check_export __P((struct mount *, struct mbuf *, int *, 109 struct ucred **)); 110 int cd9660_vptofh __P((struct vnode *, struct fid *)); 111 void cd9660_init __P((void)); 112 void cd9660_reinit __P((void)); 113 void cd9660_done __P((void)); 114 115 #ifdef SYSCTL_SETUP_PROTO 116 SYSCTL_SETUP_PROTO(sysctl_vfs_cd9660_setup); 117 #endif /* SYSCTL_SETUP_PROTO */ 118 119 int cd9660_mountroot __P((void)); 120 121 extern int (**cd9660_vnodeop_p) __P((void *)); 122 extern int (**cd9660_specop_p) __P((void *)); 123 extern int (**cd9660_fifoop_p) __P((void *)); 124 125 int isochar __P((const u_char *, const u_char *, int, u_int16_t *)); 126 int isofncmp __P((const u_char *, size_t, const u_char *, size_t, int)); 127 void isofntrans __P((u_char *, int, u_char *, u_short *, int, int, int, int)); 128 ino_t isodirino __P((struct iso_directory_record *, struct iso_mnt *)); 129