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/* $NetBSD: bootinfo.h,v 1.4 2003/10/27 13:43:48 junyoung Exp $ */
/*
* Copyright (c) 1997
* Matthias Drochner. 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 for the NetBSD Project
* by Matthias Drochner.
* 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 _LOCORE
struct btinfo_common {
int len;
int type;
};
#define BTINFO_BOOTPATH 0
#define BTINFO_BOOTDISK 3
#define BTINFO_NETIF 4
#define BTINFO_CONSOLE 6
#define BTINFO_BIOSGEOM 7
#define BTINFO_SYMTAB 8
#define BTINFO_MEMMAP 9
struct btinfo_bootpath {
struct btinfo_common common;
char bootpath[80];
};
struct btinfo_bootdisk {
struct btinfo_common common;
int labelsector; /* label valid if != -1 */
struct {
u_int16_t type, checksum;
char packname[16];
} label;
int biosdev;
int partition;
};
struct btinfo_netif {
struct btinfo_common common;
char ifname[16];
int bus;
#define BI_BUS_ISA 0
#define BI_BUS_PCI 1
union {
unsigned int iobase; /* ISA */
unsigned int tag; /* PCI, BIOS format */
} addr;
};
struct btinfo_console {
struct btinfo_common common;
char devname[16];
int addr;
int speed;
};
struct btinfo_symtab {
struct btinfo_common common;
int nsym;
int ssym;
int esym;
};
struct bi_memmap_entry {
u_int64_t addr; /* beginning of block */ /* 8 */
u_int64_t size; /* size of block */ /* 8 */
u_int32_t type; /* type of block */ /* 4 */
} __attribute__((packed)); /* == 20 */
#define BIM_Memory 1 /* available RAM usable by OS */
#define BIM_Reserved 2 /* in use or reserved by the system */
#define BIM_ACPI 3 /* ACPI Reclaim memory */
#define BIM_NVS 4 /* ACPI NVS memory */
struct btinfo_memmap {
struct btinfo_common common;
int num;
struct bi_memmap_entry entry[1]; /* var len */
};
#include <sys/bootblock.h>
/*
* Structure describing disk info as seen by the BIOS.
*/
struct bi_biosgeom_entry {
int sec, head, cyl; /* geometry */
u_int64_t totsec; /* LBA sectors from ext int13 */
int flags, dev; /* flags, BIOS device # */
#define BI_GEOM_INVALID 0x000001
#define BI_GEOM_EXTINT13 0x000002
#ifdef BIOSDISK_EXT13INFO_V3
#define BI_GEOM_BADCKSUM 0x000004 /* v3.x checksum invalid */
#define BI_GEOM_BUS_MASK 0x00ff00 /* connecting bus type */
#define BI_GEOM_BUS_ISA 0x000100
#define BI_GEOM_BUS_PCI 0x000200
#define BI_GEOM_BUS_OTHER 0x00ff00
#define BI_GEOM_IFACE_MASK 0xff0000 /* interface type */
#define BI_GEOM_IFACE_ATA 0x010000
#define BI_GEOM_IFACE_ATAPI 0x020000
#define BI_GEOM_IFACE_SCSI 0x030000
#define BI_GEOM_IFACE_USB 0x040000
#define BI_GEOM_IFACE_1394 0x050000 /* Firewire */
#define BI_GEOM_IFACE_FIBRE 0x060000 /* Fibre channel */
#define BI_GEOM_IFACE_OTHER 0xff0000
unsigned int cksum; /* MBR checksum */
u_int interface_path; /* ISA iobase PCI bus/dev/fun */
u_int64_t device_path;
int res0; /* future expansion; 0 now */
#else
unsigned int cksum; /* MBR checksum */
int res0, res1, res2, res3; /* future expansion; 0 now */
#endif
struct mbr_partition dosparts[MBR_PART_COUNT]; /* MBR itself */
} __attribute__((packed));
struct btinfo_biosgeom {
struct btinfo_common common;
int num;
struct bi_biosgeom_entry disk[1]; /* var len */
};
#ifdef _KERNEL
void *lookup_bootinfo(int);
#endif
#endif /* _LOCORE */
#ifdef _KERNEL
#define BOOTINFO_MAXSIZE 4096
#endif
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