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/* $OpenBSD: disklabel.h,v 1.14 2007/06/20 18:15:45 deraadt Exp $ */
/*
* 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.
*/
#ifndef _MACHINE_DISKLABEL_H_
#define _MACHINE_DISKLABEL_H_
#define LABELSECTOR 1 /* sector containing label */
#define LABELOFFSET 0 /* offset of label in sector */
#define MAXPARTITIONS 16 /* number of partitions */
/* HFS/DPME */
/* partition map structure from Inside Macintosh: Devices, SCSI Manager
* pp. 13-14. The partition map always begins on physical block 1.
*
* With the exception of block 0, all blocks on the disk must belong to
* exactly one partition. The partition map itself belongs to a partition
* of type `APPLE_PARTITION_MAP', and is not limited in size by anything
* other than available disk space. The partition map is not necessarily
* the first partition listed.
*/
struct part_map_entry {
#define PART_ENTRY_MAGIC 0x504d
u_int16_t pmSig; /* partition signature */
u_int16_t pmSigPad; /* (reserved) */
u_int32_t pmMapBlkCnt; /* number of blocks in partition map */
u_int32_t pmPyPartStart; /* first physical block of partition */
u_int32_t pmPartBlkCnt; /* number of blocks in partition */
char pmPartName[32]; /* partition name */
char pmPartType[32]; /* partition type */
u_int32_t pmLgDataStart; /* first logical block of data area */
u_int32_t pmDataCnt; /* number of blocks in data area */
u_int32_t pmPartStatus; /* partition status information */
u_int32_t pmLgBootStart; /* first logical block of boot code */
u_int32_t pmBootSize; /* size of boot code, in bytes */
u_int32_t pmBootLoad; /* boot code load address */
u_int32_t pmBootLoad2; /* (reserved) */
u_int32_t pmBootEntry; /* boot code entry point */
u_int32_t pmBootEntry2; /* (reserved) */
u_int32_t pmBootCksum; /* boot code checksum */
char pmProcessor[16]; /* processor type (e.g. "68020") */
u_int8_t pmBootArgs[128]; /* A/UX boot arguments */
/* we do not index the disk image as an array,
* leave out the on disk padding
*/
#if 0
u_int8_t pad[248]; /* pad to end of block */
#endif
};
#define PART_TYPE_DRIVER "APPLE_DRIVER"
#define PART_TYPE_DRIVER43 "APPLE_DRIVER43"
#define PART_TYPE_DRIVERATA "APPLE_DRIVER_ATA"
#define PART_TYPE_DRIVERIOKIT "APPLE_DRIVER_IOKIT"
#define PART_TYPE_FWDRIVER "APPLE_FWDRIVER"
#define PART_TYPE_FWB_COMPONENT "FWB DRIVER COMPONENTS"
#define PART_TYPE_FREE "APPLE_FREE"
#define PART_TYPE_MAC "APPLE_HFS"
#define PART_TYPE_OPENBSD "OPENBSD"
#endif /* _MACHINE_DISKLABEL_H_ */
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