xref: /netbsd-src/sys/arch/arm/include/disklabel.h (revision b757af438b42b93f8c6571f026d8b8ef3eaf5fc9)
1 /*	$NetBSD: disklabel.h,v 1.10 2011/08/30 12:39:53 bouyer 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 #ifndef LABELUSESMBR
50 #define LABELUSESMBR	0		/* no MBR partitionning */
51 #endif
52 #define LABELSECTOR	1		/* sector containing label */
53 #define LABELOFFSET	0		/* offset of label in sector */
54 #define MAXPARTITIONS	8		/* number of partitions */
55 #define RAW_PART	2		/* raw partition: XX?c */
56 
57 #if HAVE_NBTOOL_CONFIG_H
58 #include <nbinclude/sys/dkbad.h>
59 #include <nbinclude/sys/disklabel_acorn.h>
60 #include <nbinclude/sys/bootblock.h>
61 #else
62 #include <sys/dkbad.h>
63 #include <sys/disklabel_acorn.h>
64 #include <sys/bootblock.h>
65 #endif /* HAVE_NBTOOL_CONFIG_H */
66 
67 struct cpu_disklabel {
68 	struct mbr_partition mbrparts[MBR_PART_COUNT];
69 #define __HAVE_DISKLABEL_DKBAD
70 	struct dkbad bad;
71 };
72 
73 #ifdef _KERNEL
74 struct buf;
75 struct disklabel;
76 
77 /* for readdisklabel.  rv != 0 -> matches, msg == NULL -> success */
78 int	mbr_label_read(dev_t, void (*)(struct buf *), struct disklabel *,
79 	    struct cpu_disklabel *, const char **, int *, int *);
80 
81 /* for writedisklabel.  rv == 0 -> dosen't match, rv > 0 -> success */
82 int	mbr_label_locate(dev_t, void (*)(struct buf *),
83 	    struct disklabel *, struct cpu_disklabel *, int *, int *);
84 #endif /* _KERNEL */
85 
86 #endif /* _ARM_DISKLABEL_H_ */
87