| 1 | /* $NetBSD: cd9660_extern.h,v 1.26 2013/06/23 07:28:36 dholland 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 | #ifndef _ISOFS_CD9660_CD9660_EXTERN_H_ |
| 43 | #define _ISOFS_CD9660_CD9660_EXTERN_H_ |
| 44 | |
| 45 | /* |
| 46 | * Sysctl values for the cd9660 filesystem. |
| 47 | */ |
| 48 | #define CD9660_UTF8_JOLIET 1 /* UTF-8 encode Joliet file names */ |
| 49 | |
| 50 | #define CD9660_NAMES { \ |
| 51 | { 0, 0 }, \ |
| 52 | { "utf8_joliet", CTLTYPE_INT }, \ |
| 53 | } |
| 54 | |
| 55 | |
| 56 | /* CD-ROM Format type */ |
| 57 | enum ISO_FTYPE { ISO_FTYPE_DEFAULT, ISO_FTYPE_9660, ISO_FTYPE_RRIP, ISO_FTYPE_ECMA }; |
| 58 | |
| 59 | #ifndef ISOFSMNT_ROOT |
| 60 | #define ISOFSMNT_ROOT 0 |
| 61 | #endif |
| 62 | |
| 63 | struct iso_mnt { |
| 64 | int im_flags; |
| 65 | int im_joliet_level; |
| 66 | |
| 67 | struct mount *im_mountp; |
| 68 | dev_t im_dev; |
| 69 | struct vnode *im_devvp; |
| 70 | |
| 71 | int logical_block_size; |
| 72 | int im_bshift; |
| 73 | int im_bmask; |
| 74 | |
| 75 | int volume_space_size; |
| 76 | |
| 77 | char root[ISODCL (157, 190)]; |
| 78 | int root_extent; |
| 79 | int root_size; |
| 80 | enum ISO_FTYPE iso_ftype; |
| 81 | |
| 82 | int rr_skip; |
| 83 | int rr_skip0; |
| 84 | }; |
| 85 | |
| 86 | #define VFSTOISOFS(mp) ((struct iso_mnt *)((mp)->mnt_data)) |
| 87 | |
| 88 | #define cd9660_blkoff(imp, loc) ((loc) & (imp)->im_bmask) |
| 89 | #define cd9660_lblktosize(imp, blk) ((blk) << (imp)->im_bshift) |
| 90 | #define cd9660_lblkno(imp, loc) ((loc) >> (imp)->im_bshift) |
| 91 | #define cd9660_blksize(imp, ip, lbn) ((imp)->logical_block_size) |
| 92 | |
| 93 | #ifdef _KERNEL |
| 94 | |
| 95 | VFS_PROTOS(cd9660); |
| 96 | |
| 97 | #include <sys/mallocvar.h> |
| 98 | MALLOC_DECLARE(M_ISOFSMNT); |
| 99 | |
| 100 | extern struct pool cd9660_node_pool; |
| 101 | extern int cd9660_utf8_joliet; |
| 102 | |
| 103 | int cd9660_mountroot(void); |
| 104 | |
| 105 | extern int (**cd9660_vnodeop_p)(void *); |
| 106 | extern int (**cd9660_specop_p)(void *); |
| 107 | extern int (**cd9660_fifoop_p)(void *); |
| 108 | |
| 109 | int isochar(const u_char *, const u_char *, int, u_int16_t *); |
| 110 | int isofncmp(const u_char *, size_t, const u_char *, size_t, int); |
| 111 | void isofntrans(const u_char *, int, u_char *, u_short *, int, int, int, int); |
| 112 | ino_t isodirino(struct iso_directory_record *, struct iso_mnt *); |
| 113 | #endif /* _KERNEL */ |
| 114 | |
| 115 | #endif /* _ISOFS_CD9660_CD9660_EXTERN_H_ */ |
| 116 | |