diskpc98.h revision 189695
1/*- 2 * Copyright (c) 1987, 1988, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 4. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)disklabel.h 8.2 (Berkeley) 7/10/94 30 * $FreeBSD: head/sys/sys/diskpc98.h 189695 2009-03-11 13:15:42Z nyan $ 31 */ 32 33#ifndef _SYS_DISKPC98_H_ 34#define _SYS_DISKPC98_H_ 35 36#include <sys/ioccom.h> 37 38#define DOSBBSECTOR 0 /* DOS boot block relative sector number */ 39#define DOSPARTOFF 0 40#define DOSPARTSIZE 32 41#define NDOSPART 16 42#define DOSMAGICOFFSET 510 43#define DOSMAGIC 0xAA55 44 45#define PC98_MID_BOOTABLE 0x80 46#define PC98_MID_MASK 0x7f 47#define PC98_MID_386BSD 0x14 48 49#define PC98_SID_ACTIVE 0x80 50#define PC98_SID_MASK 0x7f 51#define PC98_SID_386BSD 0x44 52 53#define DOSMID_386BSD (PC98_MID_386BSD | PC98_MID_BOOTABLE) 54#define DOSSID_386BSD (PC98_SID_386BSD | PC98_SID_ACTIVE) 55#define DOSPTYP_386BSD (DOSSID_386BSD << 8 | DOSMID_386BSD) 56 57struct pc98_partition { 58 unsigned char dp_mid; 59 unsigned char dp_sid; 60 unsigned char dp_dum1; 61 unsigned char dp_dum2; 62 unsigned char dp_ipl_sct; 63 unsigned char dp_ipl_head; 64 unsigned short dp_ipl_cyl; 65 unsigned char dp_ssect; /* starting sector */ 66 unsigned char dp_shd; /* starting head */ 67 unsigned short dp_scyl; /* starting cylinder */ 68 unsigned char dp_esect; /* end sector */ 69 unsigned char dp_ehd; /* end head */ 70 unsigned short dp_ecyl; /* end cylinder */ 71 unsigned char dp_name[16]; 72}; 73#ifdef CTASSERT 74CTASSERT(sizeof (struct pc98_partition) == DOSPARTSIZE); 75#endif 76 77void pc98_partition_dec(void const *pp, struct pc98_partition *d); 78void pc98_partition_enc(void *pp, struct pc98_partition *d); 79 80#define DIOCSPC98 _IOW('M', 129, u_char[8192]) 81 82#endif /* !_SYS_DISKPC98_H_ */ 83