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/* $OpenBSD: disklabel.h,v 1.6 2008/08/08 16:07:41 jsing 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
#define LABELOFFSET 0
#define MAXPARTITIONS 16 /* number of partitions */
/*
* SGI Volume Header.
*/
#define SGILABEL_MAGIC 0xbe5a941
#define SGI_SIZE_VOLDIR 15
/* Partition types. */
#define SGI_PTYPE_VOLHDR 0
#define SGI_PTYPE_RAW 3
#define SGI_PTYPE_BSD 4
#define SGI_PTYPE_VOLUME 6
#define SGI_PTYPE_EFS 7
#define SGI_PTYPE_LVOL 8
#define SGI_PTYPE_RLVOL 9
#define SGI_PTYPE_XFS 10
#define SGI_PTYPE_XFSLOG 11
#define SGI_PTYPE_XLV 12
#define SGI_PTYPE_XVM 13
/* Device parameters. */
struct devparms {
u_int8_t dp_skew;
u_int8_t dp_gap1;
u_int8_t dp_gap2;
u_int8_t dp_spares_cyl;
u_int16_t dp_cyls;
u_int16_t dp_shd0;
u_int16_t dp_trks0;
u_int8_t dp_ctq_depth;
u_int8_t dp_cylshi;
u_int16_t dp_unused;
u_int16_t dp_secs;
u_int16_t dp_secbytes;
u_int16_t dp_interleave;
u_int32_t dp_flags;
u_int32_t dp_datarate;
u_int32_t dp_nretries;
u_int32_t dp_mspw;
u_int16_t dp_xgap1;
u_int16_t dp_xsync;
u_int16_t dp_xrdly;
u_int16_t dp_xgap2;
u_int16_t dp_xrgate;
u_int16_t dp_xwcont;
} __packed;
/* SGI volume header. */
struct sgilabel {
u_int32_t magic;
int16_t root;
int16_t swap;
char bootfile[16];
struct devparms dp;
struct {
char name[8];
int32_t block;
int32_t bytes;
} voldir[SGI_SIZE_VOLDIR];
struct {
int32_t blocks;
int32_t first;
int32_t type;
} partitions[MAXPARTITIONS];
int32_t checksum;
int32_t _pad;
} __packed;
#endif /* _MACHINE_DISKLABEL_H_ */
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