disklabel.h revision 1.1 
1/* $NetBSD: disklabel.h,v 1.1 2014/09/03 19:34:26 matt Exp $ */
2
3/*-
4 * Copyright (c) 2014 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Matt Thomas of 3am Software Foundry.
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 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#ifndef _OR1K_DISKLABEL_H_
33#define _OR1K_DISKLABEL_H_
34
35#define LABELUSESMBR		1	/* use MBR partitionning */
36#define LABELSECTOR		1	/* sector containing label */
37#define LABELOFFSET		0	/* offset of label in sector */
38#define MAXPARTITIONS		16	/* number of partitions */
39#define RAW_PART		2	/* raw partition: XX?c */
40
41#if HAVE_NBTOOL_CONFIG_H
42#include <nbinclude/sys/dkbad.h>
43#include <nbinclude/sys/bootblock.h>
44#else
45#include <sys/dkbad.h>
46#include <sys/bootblock.h>
47#endif /* HAVE_NBTOOL_CONFIG_H */
48
49struct cpu_disklabel {
50	struct mbr_partition mbrparts[MBR_PART_COUNT];
51#define __HAVE_DISKLABEL_DKBAD
52	struct dkbad bad;
53};
54
55#ifdef _KERNEL
56struct buf;
57struct disklabel;
58
59/* for readdisklabel.  rv != 0 -> matches, msg == NULL -> success */
60int	mbr_label_read(dev_t, void (*)(struct buf *), struct disklabel *,
61	    struct cpu_disklabel *, const char **, int *, int *);
62
63/* for writedisklabel.  rv == 0 -> dosen't match, rv > 0 -> success */
64int	mbr_label_locate(dev_t, void (*)(struct buf *),
65	    struct disklabel *, struct cpu_disklabel *, int *, int *);
66#endif /* _KERNEL */
67
68#endif /* _OR1K_DISKLABEL_H_ */
69