LCOM1920-T02G10

/*        $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_ */