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