87 lines
3.1 KiB
C
87 lines
3.1 KiB
C
/* $NetBSD: disk.h,v 1.1 2009/03/02 09:33:02 nonaka Exp $ */
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/* $OpenBSD: disk.h,v 1.1 2005/05/24 20:38:20 uwe Exp $ */
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/*
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* Copyright (c) 1997 Tobias Weingartner
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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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*
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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
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#ifndef _STAND_DISK_H
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#define _STAND_DISK_H
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#include <sys/disklabel.h>
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#include <sys/queue.h>
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#define MAXDEVNAME 16
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/* XXX snatched from <i386/biosdev.h> */
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#if 1
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/* Info about disk from the bios, plus the mapping from
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* BIOS numbers to BSD major (driver?) number.
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*
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* Also, do not bother with BIOSN*() macros, just parcel
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* the info out, and use it like this. This makes for less
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* of a dependance on BIOSN*() macros having to be the same
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* across /boot, /bsd, and userland.
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*/
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#define BOOTARG_DISKINFO 1
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typedef struct _bios_diskinfo {
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/* BIOS section */
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int bios_number; /* BIOS number of drive (or -1) */
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/* Misc. flags */
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uint32_t flags;
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#define BDI_INVALID 0x00000001 /* I/O error during checksumming */
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#define BDI_GOODLABEL 0x00000002 /* Had SCSI or ST506/ESDI disklabel */
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#define BDI_BADLABEL 0x00000004 /* Had another disklabel */
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#define BDI_EL_TORITO 0x00000008 /* 2,048-byte sectors */
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#define BDI_PICKED 0x80000000 /* kernel-only: cksum matched */
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} bios_diskinfo_t;
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#define BOOTARG_CKSUMLEN 3 /* uint32_t */
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#endif /* 1 */
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/* All the info on a disk we've found */
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struct diskinfo {
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bios_diskinfo_t bios_info;
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struct disklabel disklabel;
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char devname[MAXDEVNAME];
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TAILQ_ENTRY(diskinfo) list;
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};
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TAILQ_HEAD(disklist_lh, diskinfo);
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/* diskprobe.c */
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void diskprobe(char *buf, size_t bufsiz);
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struct diskinfo *dkdevice(const char *, uint);
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int bios_devname(int, char *, int);
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void bios_devpath(int, int, char *);
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char *bios_getdiskinfo(int, bios_diskinfo_t *);
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int bios_getdospart(bios_diskinfo_t *);
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char *bios_getdisklabel(bios_diskinfo_t *, struct disklabel *);
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void dump_diskinfo(void);
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#endif /* _STAND_DISK_H */
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