/*
* Copyright (c) 1994 Christopher G. Demetriou
* All rights reserved.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Christopher G. Demetriou.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
#define LABELUSESMBR 0 /* no MBR partitionning */
#define LABELSECTOR 0 /* sector containing label */
#define LABELOFFSET 64 /* offset of label in sector */
#define MAXPARTITIONS 12 /* number of partitions */
#define OLDMAXPARTITIONS 8 /* number of partitions before nb-6 */
#define RAW_PART 2 /* raw partition: xx?c */
/*
* In NetBSD 6 we erroneously used a too large MAXPARTITIONS value (disklabel
* overlapped with important parts of the bootblocks and made some machines
* unbootable).
*/
#define __TMPBIGMAXPARTITIONS 16 /* compatibility with 6.0 installs */
/*
* We use the highest bit of the minor number for the partition number.
* This maintains backward compatibility with device nodes created before
* MAXPARTITIONS was increased.
* Temporarily MAXPARTITIONS was 16, so we use that to keep compatibility
* with existing installations.
*/
#define __VAX_MAXDISKS ((1 << 20) / __TMPBIGMAXPARTITIONS)
#define DISKUNIT(dev) ((minor(dev) / OLDMAXPARTITIONS) % __VAX_MAXDISKS)
#define DISKPART(dev) ((minor(dev) % OLDMAXPARTITIONS) + \
((minor(dev) / (__VAX_MAXDISKS * OLDMAXPARTITIONS)) * OLDMAXPARTITIONS))
#define DISKMINOR(unit, part) \
(((unit) * OLDMAXPARTITIONS) + ((part) % OLDMAXPARTITIONS) + \
((part) / OLDMAXPARTITIONS) * (__VAX_MAXDISKS * OLDMAXPARTITIONS))
/* Just a dummy */
#ifndef _LOCORE
struct cpu_disklabel {
int cd_dummy; /* must have one element. */
};
#endif
#endif /* _MACHINE_DISKLABEL_H_ */
