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: stable/10/sys/sys/diskpc98.h 254015 2013-08-07 00:00:48Z marcel $
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 
57 struct 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
74 CTASSERT(sizeof (struct pc98_partition) == PC98_PARTSIZE);
75 #endif
76 
77 void pc98_partition_dec(void const *pp, struct pc98_partition *d);
78 void 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