/* $NetBSD: disklabel.h,v 1.2 2022/05/24 19:37:39 andvar Exp $ */

/*-
* Copyright (c) 2014 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Matt Thomas of 3am Software Foundry.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/

#ifndef _RISCV_DISKLABEL_H_
#define _RISCV_DISKLABEL_H_

#define LABELUSESMBR            1       /* use MBR partitionning */
#define LABELSECTOR             1       /* sector containing label */
#define LABELOFFSET             0       /* offset of label in sector */
#define MAXPARTITIONS           16      /* number of partitions */
#define RAW_PART                2       /* raw partition: XX?c */

#if HAVE_NBTOOL_CONFIG_H
#include <nbinclude/sys/dkbad.h>
#include <nbinclude/sys/bootblock.h>
#else
#include <sys/dkbad.h>
#include <sys/bootblock.h>
#endif /* HAVE_NBTOOL_CONFIG_H */

struct cpu_disklabel {
       struct mbr_partition mbrparts[MBR_PART_COUNT];
#define __HAVE_DISKLABEL_DKBAD
       struct dkbad bad;
};

#ifdef _KERNEL
struct buf;
struct disklabel;

/* for readdisklabel.  rv != 0 -> matches, msg == NULL -> success */
int     mbr_label_read(dev_t, void (*)(struct buf *), struct disklabel *,
           struct cpu_disklabel *, const char **, int *, int *);

/* for writedisklabel.  rv == 0 -> doesn't match, rv > 0 -> success */
int     mbr_label_locate(dev_t, void (*)(struct buf *),
           struct disklabel *, struct cpu_disklabel *, int *, int *);
#endif /* _KERNEL */

#endif /* _RISCV_DISKLABEL_H_ */