119 lines
3.4 KiB
C
119 lines
3.4 KiB
C
/* $NetBSD: disklabel.h,v 1.3 2001/11/19 17:39:54 soren Exp $ */
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/*
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* Copyright (c) 2000 Soren S. Jorvang
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed for the
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* NetBSD Project. See http://www.netbsd.org/ for
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* information about NetBSD.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _MACHINE_DISKLABEL_H_
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#define _MACHINE_DISKLABEL_H_
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/*
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* SGI partition conventions:
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*
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* Partition 0 - root
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* Partition 1 - swap
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* Partition 6 - usr
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* Partition 7 - volume body
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* Partition 8 - volume header
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* Partition 10 - whole disk
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*/
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#define MAXPARTITIONS 16
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#define RAW_PART 2
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#define LABELSECTOR 1
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#define LABELOFFSET 0
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struct cpu_disklabel {
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int cd_dummy;
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};
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struct devparms {
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u_int8_t dp_skew;
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u_int8_t dp_gap1;
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u_int8_t dp_gap2;
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u_int8_t dp_spares_cyl;
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u_int16_t dp_cyls;
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u_int16_t dp_shd0;
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u_int16_t dp_trks0;
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u_int8_t dp_ctq_depth;
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u_int8_t dp_cylshi;
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u_int16_t dp_unused;
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u_int16_t dp_secs;
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u_int16_t dp_secbytes;
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u_int16_t dp_interleave;
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u_int32_t dp_flags;
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u_int32_t dp_datarate;
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u_int32_t dp_nretries;
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u_int32_t dp_mspw;
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u_int16_t dp_xgap1;
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u_int16_t dp_xsync;
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u_int16_t dp_xrdly;
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u_int16_t dp_xgap2;
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u_int16_t dp_xrgate;
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u_int16_t dp_xwcont;
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} __attribute__((__packed__));
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struct sgilabel {
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#define SGILABEL_MAGIC 0xbe5a941
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u_int32_t magic;
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int16_t root;
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int16_t swap;
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char bootfile[16];
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struct devparms dp;
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struct {
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char name[8];
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int32_t block;
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int32_t bytes;
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} voldir[15];
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struct {
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int32_t blocks;
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int32_t first;
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int32_t type;
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} partitions[MAXPARTITIONS];
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int32_t checksum;
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int32_t _pad;
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} __attribute__((__packed__));
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#define SGI_PTYPE_VOLHDR 0
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#define SGI_PTYPE_RAW 3
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#define SGI_PTYPE_BSD 4
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#define SGI_PTYPE_VOLUME 6
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#define SGI_PTYPE_EFS 7
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#define SGI_PTYPE_LVOL 8
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#define SGI_PTYPE_RLVOL 9
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#define SGI_PTYPE_XFS 10
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#define SGI_PTYPE_XFSLOG 11
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#define SGI_PTYPE_XLV 12
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#define SGI_PTYPE_XVM 13
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#endif /* _MACHINE_DISKLABEL_H_ */
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