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/* $OpenBSD: disklabel.h,v 1.12 2006/07/07 23:47:37 krw Exp $ */
/* $NetBSD: disklabel.h,v 1.1 1995/02/13 23:07:34 cgd 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 HPPA_LABELSECTOR 1 /* sector containing label */
#define HPPA_LABELOFFSET 0 /* offset of label in sector */
#define I386_LABELSECTOR 1 /* sector containing label */
#define I386_LABELOFFSET 0 /* offset of label in sector */
#define LABELSECTOR HPPA_LABELSECTOR
#define LABELOFFSET HPPA_LABELOFFSET
#define MAXPARTITIONS 16 /* number of partitions */
#define RAW_PART 2 /* raw partition: xx?c */
/* DOS partition table -- located in boot block */
#define DOSBBSECTOR 0 /* DOS boot block relative sector # */
#define DOSPARTOFF 446
#define DOSACTIVE 0x80
#define NDOSPART 4
#define DOSMBR_SIGNATURE 0xaa55
#define DOSMBR_SIGNATURE_OFF 0x1fe
struct dos_partition {
u_int8_t dp_flag; /* bootstrap flags */
u_int8_t dp_shd; /* starting head */
u_int8_t dp_ssect; /* starting sector */
u_int8_t dp_scyl; /* starting cylinder */
u_int8_t dp_typ; /* partition type (see below) */
u_int8_t dp_ehd; /* end head */
u_int8_t dp_esect; /* end sector */
u_int8_t dp_ecyl; /* end cylinder */
u_int32_t dp_start; /* absolute starting sector number */
u_int32_t dp_size; /* partition size in sectors */
};
/* Known DOS partition types. */
#define DOSPTYP_UNUSED 0x00 /* Unused partition */
#define DOSPTYP_FAT12 0x01 /* 12-bit FAT */
#define DOSPTYP_FAT16S 0x04 /* 16-bit FAT, less than 32M */
#define DOSPTYP_EXTEND 0x05 /* Extended; contains sub-partitions */
#define DOSPTYP_FAT16B 0x06 /* 16-bit FAT, more than 32M */
#define DOSPTYP_FAT32 0x0b /* 32-bit FAT */
#define DOSPTYP_FAT32L 0x0c /* 32-bit FAT, LBA-mapped */
#define DOSPTYP_FAT16L 0x0e /* 16-bit FAT, LBA-mapped */
#define DOSPTYP_EXTENDL 0x0f /* Extended, LBA-mapped; contains sub-partitions */
#define DOSPTYP_ONTRACK 0x54
#define DOSPTYP_LINUX 0x83 /* That other thing */
#define DOSPTYP_FREEBSD 0xa5 /* FreeBSD partition type */
#define DOSPTYP_OPENBSD 0xa6 /* OpenBSD partition type */
#define DOSPTYP_NETBSD 0xa9 /* NetBSD partition type */
/* Isolate the relevant bits to get sector and cylinder. */
#define DPSECT(s) ((s) & 0x3f)
#define DPCYL(c, s) ((c) + (((s) & 0xc0) << 2))
/*
* volume header for "LIF" format volumes
*/
struct lifvol {
short vol_id;
char vol_label[6];
u_int vol_addr;
short vol_oct;
short vol_dummy;
u_int vol_dirsize;
short vol_version;
short vol_zero;
u_int vol_number;
u_int vol_lastvol;
u_int vol_length;
char vol_toc[6];
char vol_dummy1[198];
u_int ipl_addr;
u_int ipl_size;
u_int ipl_entry;
u_int vol_dummy2;
};
struct lifdir {
char dir_name[10];
u_short dir_type;
u_int dir_addr;
u_int dir_length;
char dir_toc[6];
short dir_flag;
u_int dir_implement;
};
struct lif_load {
int address;
int count;
};
#define HPUX_MAGIC 0x8b7f6a3c
#define HPUX_MAXPART 16
struct hpux_label {
int32_t hl_magic1;
u_int32_t hl_magic;
int32_t hl_version;
struct {
int32_t hlp_blah[2];
int32_t hlp_start;
int32_t hlp_length;
} hl_parts[HPUX_MAXPART];
u_int8_t hl_flags[HPUX_MAXPART];
#define HPUX_PART_ROOT 0x10
#define HPUX_PART_SWAP 0x14
#define HPUX_PART_BOOT 0x32
int32_t hl_blah[3*16];
u_int16_t hl_boot;
u_int16_t hl_reserved;
int32_t hl_magic2;
};
#define LIF_VOL_ID -32768
#define LIF_VOL_OCT 4096
#define LIF_DIR_SWAP 0x5243
#define LIF_DIR_HPLBL 0xa271
#define LIF_DIR_FS 0xcd38
#define LIF_DIR_IOMAP 0xcd60
#define LIF_DIR_HPUX 0xcd80
#define LIF_DIR_ISL 0xce00
#define LIF_DIR_PAD 0xcffe
#define LIF_DIR_AUTO 0xcfff
#define LIF_DIR_EST 0xd001
#define LIF_DIR_TYPE 0xe942
#define LIF_DIR_FLAG 0x8001 /* dont ask me! */
#define LIF_SECTSIZE 256
#define LIF_NUMDIR 16
#define LIF_VOLSTART 0
#define LIF_VOLSIZE sizeof(struct lifvol)
#define LIF_DIRSTART 2048
#define LIF_DIRSIZE (LIF_NUMDIR * sizeof(struct lifdir))
#define LIF_FILESTART 8192
#define btolifs(b) (((b) + (LIF_SECTSIZE - 1)) / LIF_SECTSIZE)
#define lifstob(s) ((s) * LIF_SECTSIZE)
#define lifstodb(s) ((s) * LIF_SECTSIZE / DEV_BSIZE)
#include <sys/dkbad.h>
struct cpu_disklabel {
int labelsector;
union {
struct {
struct dos_partition dosparts[NDOSPART];
struct dkbad bad;
} _i386;
struct {
struct lifvol lifvol;
struct lifdir lifdir[LIF_NUMDIR];
struct hpux_label hplabel;
} _hppa;
} u;
};
#define DKBAD(x) ((x)->u._i386.bad)
#endif /* _MACHINE_DISKLABEL_H_ */
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