disklabel.h revision 1.5 
1/*	$NetBSD: disklabel.h,v 1.5 2005/06/02 17:45:59 he Exp $	*/
2
3/*
4 * Copyright (c) 1994 Mark Brinicombe.
5 * Copyright (c) 1994 Brini.
6 * All rights reserved.
7 *
8 * This code is derived from software written for Brini by Mark Brinicombe
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 *    must display the following acknowledgement:
20 *	This product includes software developed by Brini.
21 * 4. The name of the company nor the name of the author may be used to
22 *    endorse or promote products derived from this software without specific
23 *    prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
26 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
27 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
28 * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
29 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
30 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
31 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 * RiscBSD kernel project
38 *
39 * disklabel.h
40 *
41 * machine specific disk label info
42 *
43 * Created      : 04/10/94
44 */
45
46#ifndef _ARM_DISKLABEL_H_
47#define _ARM_DISKLABEL_H_
48
49#define LABELSECTOR	1		/* sector containing label */
50#define LABELOFFSET	0		/* offset of label in sector */
51#define MAXPARTITIONS	8		/* number of partitions */
52#define RAW_PART	2		/* raw partition: XX?c */
53
54#include <sys/dkbad.h>
55#include <sys/disklabel_acorn.h>
56#include <sys/bootblock.h>
57
58struct cpu_disklabel {
59	struct mbr_partition mbrparts[MBR_PART_COUNT];
60	struct dkbad bad;
61};
62
63#ifdef _KERNEL
64struct buf;
65struct disklabel;
66
67/* for readdisklabel.  rv != 0 -> matches, msg == NULL -> success */
68int	mbr_label_read __P((dev_t, void (*)(struct buf *), struct disklabel *,
69	    struct cpu_disklabel *, const char **, int *, int *));
70
71/* for writedisklabel.  rv == 0 -> dosen't match, rv > 0 -> success */
72int	mbr_label_locate __P((dev_t, void (*)(struct buf *),
73	    struct disklabel *, struct cpu_disklabel *, int *, int *));
74#endif /* _KERNEL */
75
76#endif /* _ARM_DISKLABEL_H_ */
77