1 /* $OpenBSD: cd9660_extern.h,v 1.16 2023/07/17 09:41:20 semarie 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. Neither the name of the University nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * @(#)iso.h 8.4 (Berkeley) 12/5/94 38 */ 39 40 /* 41 * Definitions used in the kernel for cd9660 file system support. 42 */ 43 44 /* CD-ROM Format type */ 45 enum ISO_FTYPE { ISO_FTYPE_DEFAULT, ISO_FTYPE_9660, ISO_FTYPE_RRIP, ISO_FTYPE_ECMA }; 46 47 #ifndef ISOFSMNT_ROOT 48 #define ISOFSMNT_ROOT 0 49 #endif 50 51 struct iso_mnt { 52 int im_flags; 53 54 struct mount *im_mountp; 55 dev_t im_dev; 56 struct vnode *im_devvp; 57 58 int logical_block_size; 59 int im_bshift; 60 int im_bmask; 61 62 int volume_space_size; 63 struct netexport im_export; 64 65 char root[ISODCL (157, 190)]; 66 int root_extent; 67 int root_size; 68 enum ISO_FTYPE iso_ftype; 69 70 int rr_skip; 71 int rr_skip0; 72 73 int joliet_level; 74 }; 75 76 #define VFSTOISOFS(mp) ((struct iso_mnt *)((mp)->mnt_data)) 77 78 #define blkoff(imp, loc) ((loc) & (imp)->im_bmask) 79 #define lblktosize(imp, blk) ((blk) << (imp)->im_bshift) 80 #define lblkno(imp, loc) ((loc) >> (imp)->im_bshift) 81 #define blksize(imp, ip, lbn) ((imp)->logical_block_size) 82 83 int cd9660_mount(struct mount *, const char *, void *, 84 struct nameidata *, struct proc *); 85 int cd9660_start(struct mount *, int, struct proc *); 86 int cd9660_unmount(struct mount *, int, struct proc *); 87 int cd9660_root(struct mount *, struct vnode **); 88 int cd9660_quotactl(struct mount *, int, uid_t, caddr_t, struct proc *); 89 int cd9660_statfs(struct mount *, struct statfs *, struct proc *); 90 int cd9660_sync(struct mount *, int, int, struct ucred *, struct proc *); 91 int cd9660_vget(struct mount *, ino_t, struct vnode **); 92 int cd9660_fhtovp(struct mount *, struct fid *, struct vnode **); 93 int cd9660_vptofh(struct vnode *, struct fid *); 94 int cd9660_init(struct vfsconf *); 95 int cd9660_check_export(struct mount *, struct mbuf *, int *, 96 struct ucred **); 97 98 int cd9660_mountroot(void); 99 100 extern const struct vops cd9660_vops; 101 extern const struct vops cd9660_specvops; 102 #ifdef FIFO 103 extern const struct vops cd9660_fifovops; 104 #endif 105 106 int isochar(const u_char *, const u_char *, int, u_char *); 107 int isofncmp(const u_char *, int, const u_char *, int, int); 108 void isofntrans(u_char *, int, u_char *, u_short *, int, int, int); 109 cdino_t isodirino(struct iso_directory_record *, struct iso_mnt *); 110