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 * $FreeBSD$
31 */
32
33#ifndef _SYS_DISKPC98_H_
34#define	_SYS_DISKPC98_H_
35
36#include <sys/ioccom.h>
37
38#define	PC98_BBSECTOR	1	/* DOS boot block relative sector number */
39#define	PC98_PARTOFF	0
40#define	PC98_PARTSIZE	32
41#define	PC98_NPARTS	16
42#define	PC98_MAGICOFS	510
43#define	PC98_MAGIC	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	PC98_PTYP_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) == PC98_PARTSIZE);
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