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	DOSBBSECTOR	0	/* DOS boot block relative sector number */
39#undef DOSPARTOFF
40#define	DOSPARTOFF	0
41#undef DOSPARTSIZE
42#define	DOSPARTSIZE	32
43#undef NDOSPART
44#define	NDOSPART	16
45#define	DOSMAGICOFFSET	510
46#define	DOSMAGIC	0xAA55
47
48#define	PC98_MID_BOOTABLE	0x80
49#define	PC98_MID_MASK		0x7f
50#define	PC98_MID_386BSD		0x14
51
52#define	PC98_SID_ACTIVE		0x80
53#define	PC98_SID_MASK		0x7f
54#define	PC98_SID_386BSD		0x44
55
56#define	DOSMID_386BSD		(PC98_MID_386BSD | PC98_MID_BOOTABLE)
57#define	DOSSID_386BSD		(PC98_SID_386BSD | PC98_SID_ACTIVE)
58#undef DOSPTYP_386BSD
59#define	DOSPTYP_386BSD		(DOSSID_386BSD << 8 | DOSMID_386BSD)
60
61struct pc98_partition {
62    	unsigned char	dp_mid;
63	unsigned char	dp_sid;
64	unsigned char	dp_dum1;
65	unsigned char	dp_dum2;
66	unsigned char	dp_ipl_sct;
67	unsigned char	dp_ipl_head;
68	unsigned short	dp_ipl_cyl;
69	unsigned char	dp_ssect;	/* starting sector */
70	unsigned char	dp_shd;		/* starting head */
71	unsigned short	dp_scyl;	/* starting cylinder */
72	unsigned char	dp_esect;	/* end sector */
73	unsigned char	dp_ehd;		/* end head */
74	unsigned short	dp_ecyl;	/* end cylinder */
75	unsigned char	dp_name[16];
76};
77#ifdef CTASSERT
78CTASSERT(sizeof (struct pc98_partition) == DOSPARTSIZE);
79#endif
80
81void pc98_partition_dec(void const *pp, struct pc98_partition *d);
82void pc98_partition_enc(void *pp, struct pc98_partition *d);
83
84#define DIOCSPC98	_IOW('M', 129, u_char[8192])
85
86#endif /* !_SYS_DISKPC98_H_ */
87