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