8371eb7a88
and sysctl to export to userland). Also, only use total number of sectors given in the extended parameters if the physical chs geometry is marked invalid. Hopefully fixes a problem where BIOSs would not correctly fill in this field.
132 lines
3.5 KiB
C
132 lines
3.5 KiB
C
/* $NetBSD: bootinfo.h,v 1.7 1999/03/12 01:01:42 fvdl Exp $ */
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/*
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* Copyright (c) 1997
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* Matthias Drochner. 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 for the NetBSD Project
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* by Matthias Drochner.
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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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*/
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#ifndef _LOCORE
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struct btinfo_common {
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int len;
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int type;
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};
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#define BTINFO_BOOTPATH 0
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#define BTINFO_BOOTDISK 3
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#define BTINFO_NETIF 4
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#define BTINFO_CONSOLE 6
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#define BTINFO_BIOSGEOM 7
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#define BTINFO_SYMTAB 8
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#define BTINFO_MEMMAP 9
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struct btinfo_bootpath {
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struct btinfo_common common;
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char bootpath[80];
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};
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struct btinfo_bootdisk {
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struct btinfo_common common;
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int labelsector; /* label valid if != -1 */
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struct {
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u_int16_t type, checksum;
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char packname[16];
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} label;
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int biosdev;
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int partition;
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};
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struct btinfo_netif {
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struct btinfo_common common;
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char ifname[16];
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int bus;
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#define BI_BUS_ISA 0
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#define BI_BUS_PCI 1
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union {
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unsigned int iobase; /* ISA */
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unsigned int tag; /* PCI, BIOS format */
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} addr;
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};
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struct btinfo_console {
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struct btinfo_common common;
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char devname[16];
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int addr;
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int speed;
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};
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struct btinfo_symtab {
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struct btinfo_common common;
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int nsym;
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int ssym;
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int esym;
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};
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struct bi_memmap_entry {
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int a[5]; /* 20 bytes */
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};
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struct btinfo_memmap {
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struct btinfo_common common;
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int num;
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struct bi_memmap_entry entry[1]; /* var len */
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};
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#include <sys/disklabel_mbr.h>
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/*
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* Structure describing disk info as seen by the BIOS.
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*/
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struct bi_biosgeom_entry {
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int sec, head, cyl; /* geometry */
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u_int64_t totsec; /* LBA sectors from ext int13 */
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int flags, dev; /* flags, BIOS device # */
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#define BI_GEOM_INVALID 0x01
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#define BI_GEOM_EXTINT13 0x02
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unsigned int cksum; /* MBR checksum */
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int res0, res1, res2, res3; /* future expansion; 0 now */
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struct mbr_partition dosparts[NMBRPART]; /* MBR itself */
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};
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struct btinfo_biosgeom {
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struct btinfo_common common;
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int num;
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struct bi_biosgeom_entry disk[1]; /* var len */
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};
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#ifdef _KERNEL
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void *lookup_bootinfo __P((int));
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#endif
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#endif /* _LOCORE */
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#ifdef _KERNEL
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#define BOOTINFO_MAXSIZE 4096
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#endif
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