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/* $NetBSD: tospart.h,v 1.3 1995/11/30 00:58:05 jtc Exp $ */
/*
* Copyright (c) 1995 Leo Weppelman.
* 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 Leo Weppelman.
* 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_TOSPART_H
#define _MACHINE_TOSPART_H
#include <machine/disklabel.h>
#define TOS_BSIZE 512 /* TOS blocksize */
#define TOS_BBLOCK 0 /* TOS bootblock */
#define MK_PARTID(x,y,z) ( ((u_int32_t)(x) << 16) \
| ((u_int32_t)(y) << 8) \
| ((u_int32_t)(z)) \
)
/*
* Various `well known' AHDI partition identifiers.
*/
#define PID_XGM MK_PARTID('X','G','M')
#define PID_BGM MK_PARTID('B','G','M')
#define PID_GEM MK_PARTID('G','E','M')
#define PID_RAW MK_PARTID('R','A','W')
#define PID_SWP MK_PARTID('S','W','P')
#define PID_NBD MK_PARTID('N','B','D')
#define PID_NBR MK_PARTID('N','B','R')
#define PID_NBS MK_PARTID('N','B','S')
#define PID_NBU MK_PARTID('N','B','U')
/*
* Format of TOS boot block.
*/
#define NTOS_PARTS 4 /* Max. # of entries in TOS bootblock */
struct tos_part {
u_char tp_flg; /* bit 0 is in-use flag */
u_char tp_id[3]; /* id: GEM, BGM, XGM, UNX, MIX */
u_int32_t tp_st; /* block where partition starts */
u_int32_t tp_size; /* partition size in blocks */
};
struct tos_root {
u_char tr_fill[0x1c2]; /* filler, can be boot code */
u_int32_t tr_hdsize; /* size of entire volume in blocks */
struct tos_part tr_parts[NTOS_PARTS]; /* partition table */
u_int32_t tr_bslst; /* start of bad-sector list */
u_int32_t tr_bslsize; /* # of blocks in bad-sector list */
};
/*
* TOS partition table.
*/
#define MAX_TOS_PARTS (MAX_TOS_ROOTS + 3) /* Max. # of TOS partitions */
struct tos_table {
struct cpu_disklabel *tt_cdl;
u_int32_t tt_nroots; /* # of auxilary root sectors */
u_int32_t tt_nparts; /* # of TOS partitions */
struct tos_part tt_parts[MAX_TOS_PARTS];
#define tt_roots tt_cdl->cd_roots
#define tt_bblock tt_cdl->cd_bblock
#define tt_bslst tt_cdl->cd_bslst
#define tt_bslsize tt_cdl->cd_bslsize
};
#endif /* _MACHINE_TOSPART_H */
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