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disklabel_acorn.h
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disklabel_acorn.h
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/* $NetBSD: disklabel_acorn.h,v 1.6 2005/12/11 12:25:20 christos Exp $ */
/*
* Copyright (c) 1994 Mark Brinicombe.
* Copyright (c) 1994 Brini.
* All rights reserved.
*
* This code is derived from software written for Brini by Mark Brinicombe
*
* 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 Brini.
* 4. The name of the company nor the name of the author may be used to
* endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY BRINI ``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 BRINI OR CONTRIBUTORS 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 _SYS_DISKLABEL_ACORN_H_
#define _SYS_DISKLABEL_ACORN_H_
#define PARTITION_TYPE_UNUSED 0
#define PARTITION_TYPE_ADFS 1
#define PARTITION_TYPE_RISCIX 2
#define PARTITION_FORMAT_RISCIX 2
#define PARTITION_FORMAT_RISCBSD 0x42
#define FILECORE_BOOT_SECTOR 6
/* Stuff to deal with RISCiX partitions */
#define NRISCIX_PARTITIONS 8
#define RISCIX_PARTITION_OFFSET 8
struct riscix_partition {
uint32_t rp_start;
uint32_t rp_length;
uint32_t rp_type;
int8_t rp_name[16];
};
struct riscix_partition_table {
uint32_t pad0;
uint32_t pad1;
struct riscix_partition partitions[NRISCIX_PARTITIONS];
};
struct filecore_bootblock {
uint8_t padding0[0x1c0];
uint8_t log2secsize;
uint8_t secspertrack;
uint8_t heads;
uint8_t density;
uint8_t idlen;
uint8_t log2bpmb;
uint8_t skew;
uint8_t bootoption;
uint8_t lowsector;
uint8_t nzones;
uint16_t zone_spare;
uint32_t root;
uint32_t disc_size;
uint16_t disc_id;
uint8_t disc_name[10];
uint32_t disc_type;
uint8_t padding1[24];
uint8_t partition_type;
uint8_t partition_cyl_low;
uint8_t partition_cyl_high;
uint8_t checksum;
};
#if defined(_KERNEL) && !defined(__ASSEMBLER__)
struct buf;
struct cpu_disklabel;
struct disklabel;
/* for readdisklabel. rv != 0 -> matches, msg == NULL -> success */
int filecore_label_read(dev_t, void (*)(struct buf *),
struct disklabel *, struct cpu_disklabel *, const char **, int *,
int *);
/* for writedisklabel. rv == 0 -> dosen't match, rv > 0 -> success */
int filecore_label_locate(dev_t, void (*)(struct buf *),
struct disklabel *, struct cpu_disklabel *, int *, int *);
#endif
#endif /* _SYS_DISKLABEL_ACORN_H_ */