1 /* $NetBSD: cd9660_extern.h,v 1.27 2018/08/22 01:05:23 msaitoh 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 /* CD-ROM Format type */ 51 enum ISO_FTYPE { ISO_FTYPE_DEFAULT, ISO_FTYPE_9660, ISO_FTYPE_RRIP, ISO_FTYPE_ECMA }; 52 53 #ifndef ISOFSMNT_ROOT 54 #define ISOFSMNT_ROOT 0 55 #endif 56 57 struct iso_mnt { 58 int im_flags; 59 int im_joliet_level; 60 61 struct mount *im_mountp; 62 dev_t im_dev; 63 struct vnode *im_devvp; 64 65 int logical_block_size; 66 int im_bshift; 67 int im_bmask; 68 69 int volume_space_size; 70 71 char root[ISODCL (157, 190)]; 72 int root_extent; 73 int root_size; 74 enum ISO_FTYPE iso_ftype; 75 76 int rr_skip; 77 int rr_skip0; 78 }; 79 80 #define VFSTOISOFS(mp) ((struct iso_mnt *)((mp)->mnt_data)) 81 82 #define cd9660_blkoff(imp, loc) ((loc) & (imp)->im_bmask) 83 #define cd9660_lblktosize(imp, blk) ((blk) << (imp)->im_bshift) 84 #define cd9660_lblkno(imp, loc) ((loc) >> (imp)->im_bshift) 85 #define cd9660_blksize(imp, ip, lbn) ((imp)->logical_block_size) 86 87 #ifdef _KERNEL 88 89 VFS_PROTOS(cd9660); 90 91 #include <sys/mallocvar.h> 92 MALLOC_DECLARE(M_ISOFSMNT); 93 94 extern struct pool cd9660_node_pool; 95 extern int cd9660_utf8_joliet; 96 97 int cd9660_mountroot(void); 98 99 extern int (**cd9660_vnodeop_p)(void *); 100 extern int (**cd9660_specop_p)(void *); 101 extern int (**cd9660_fifoop_p)(void *); 102 103 int isochar(const u_char *, const u_char *, int, u_int16_t *); 104 int isofncmp(const u_char *, size_t, const u_char *, size_t, int); 105 void isofntrans(const u_char *, int, u_char *, u_short *, int, int, int, int); 106 ino_t isodirino(struct iso_directory_record *, struct iso_mnt *); 107 #endif /* _KERNEL */ 108 109 #endif /* _ISOFS_CD9660_CD9660_EXTERN_H_ */ 110