disklabel.h revision 1.10 
1/*	$NetBSD: disklabel.h,v 1.10 2011/08/30 12:39:57 bouyer Exp $	*/
2
3/*-
4 * Copyright (C) 1995, 1996 Wolfgang Solfrank.
5 * Copyright (C) 1995, 1996 TooLs GmbH.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 *    must display the following acknowledgement:
18 *	This product includes software developed by TooLs GmbH.
19 * 4. The name of TooLs GmbH may not be used to endorse or promote products
20 *    derived from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
27 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
28 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
30 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
31 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
33#ifndef _MACHINE_DISKLABEL_H_
34#define _MACHINE_DISKLABEL_H_
35
36#define LABELUSESMBR	0			/* no MBR partitionning */
37#define	LABELSECTOR	0			/* sector containing label */
38#define	LABELOFFSET	64			/* offset of label in sector */
39#define MBR_LABELSECTOR 1			/* label sector in MBR */
40#define MBR_LABELOFFSET 0			/* label offset in MBR */
41#define	MAXPARTITIONS	16			/* number of partitions */
42#define	RAW_PART	2			/* raw partition: xx?c */
43
44#if HAVE_NBTOOL_CONFIG_H
45#include <nbinclude/sys/bootblock.h>		/* MBR partition definitions */
46#include <nbinclude/sys/disklabel_rdb.h>	/* RDB partition definitions */
47#else
48#include <sys/bootblock.h>			/* MBR partition definitions */
49#include <sys/disklabel_rdb.h>			/* RDB partition definitions */
50#endif /* HAVE_NBTOOL_CONFIG_H */
51
52struct cpu_disklabel {
53	daddr_t cd_start;	/* Offset to NetBSD partition in blocks */
54	daddr_t cd_labelsector; /* label sector offset from cd_start */
55	int cd_labeloffset;     /* label byte offset within label sector */
56
57	u_long rdblock;			/* may be RDBNULL which invalidates */
58	u_long pblist[MAXPARTITIONS];	/* partblock number (RDB list order) */
59	int pbindex[MAXPARTITIONS];	/* index of pblock (partition order) */
60	int valid;			/* essential that this is valid */
61};
62
63#endif /* _MACHINE_DISKLABEL_H_ */
64