NetBSD/sys/arch/x86/include/bootinfo.h
jmcneill b585cf85b2 Pass the VBE mode number from the bootloader to the kernel, and then
make the ACPI wakecode aware of it. Restore the desired VBE mode on resume
when acpi_vbios_reset=1, so suspend/resume with genfb console will work.
2009-08-24 02:15:46 +00:00

229 lines
5.8 KiB
C

/* $NetBSD: bootinfo.h,v 1.16 2009/08/24 02:15:46 jmcneill 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.
*
* 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.
*
*/
#define BTINFO_BOOTPATH 0
#define BTINFO_ROOTDEVICE 1
#define BTINFO_BOOTDISK 3
#define BTINFO_NETIF 4
#define BTINFO_CONSOLE 6
#define BTINFO_BIOSGEOM 7
#define BTINFO_SYMTAB 8
#define BTINFO_MEMMAP 9
#define BTINFO_BOOTWEDGE 10
#define BTINFO_MODULELIST 11
#define BTINFO_FRAMEBUFFER 12
#ifndef _LOCORE
struct btinfo_common {
int len;
int type;
};
struct btinfo_bootpath {
struct btinfo_common common;
char bootpath[80];
};
struct btinfo_rootdevice {
struct btinfo_common common;
char devname[16];
};
struct btinfo_bootdisk {
struct btinfo_common common;
int labelsector; /* label valid if != -1 */
struct {
uint16_t type, checksum;
char packname[16];
} label;
int biosdev;
int partition;
};
struct btinfo_bootwedge {
struct btinfo_common common;
int biosdev;
daddr_t startblk;
uint64_t nblks;
daddr_t matchblk;
uint64_t matchnblks;
uint8_t matchhash[16]; /* MD5 hash */
} __packed;
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 {
uint64_t addr; /* beginning of block */ /* 8 */
uint64_t size; /* size of block */ /* 8 */
uint32_t type; /* type of block */ /* 4 */
} __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 */
};
#if HAVE_NBTOOL_CONFIG_H
#include <nbinclude/sys/bootblock.h>
#else
#include <sys/bootblock.h>
#endif /* HAVE_NBTOOL_CONFIG_H */
/*
* Structure describing disk info as seen by the BIOS.
*/
struct bi_biosgeom_entry {
int sec, head, cyl; /* geometry */
uint64_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_EXTINFO_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 */
unsigned int interface_path; /* ISA iobase PCI bus/dev/fun */
uint64_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 */
} __packed;
struct btinfo_biosgeom {
struct btinfo_common common;
int num;
struct bi_biosgeom_entry disk[1]; /* var len */
};
struct bi_modulelist_entry {
char path[80];
int type;
int len;
uint32_t base;
};
#define BI_MODULE_NONE 0x00
#define BI_MODULE_ELF 0x01
struct btinfo_modulelist {
struct btinfo_common common;
int num;
uint32_t endpa;
/* bi_modulelist_entry list follows */
};
struct btinfo_framebuffer {
struct btinfo_common common;
uint64_t physaddr;
uint32_t flags;
uint32_t width;
uint32_t height;
uint16_t stride;
uint8_t depth;
uint8_t rnum;
uint8_t gnum;
uint8_t bnum;
uint8_t rpos;
uint8_t gpos;
uint8_t bpos;
uint16_t vbemode;
uint8_t reserved[14];
};
#endif /* _LOCORE */
#ifdef _KERNEL
#define BOOTINFO_MAXSIZE 4096
#ifndef _LOCORE
/*
* Structure that holds the information passed by the boot loader.
*/
struct bootinfo {
/* Number of bootinfo_* entries in bi_data. */
uint32_t bi_nentries;
/* Raw data of bootinfo entries. The first one (if any) is
* found at bi_data[0] and can be casted to (bootinfo_common *).
* Once this is done, the following entry is found at 'len'
* offset as specified by the previous entry. */
uint8_t bi_data[BOOTINFO_MAXSIZE - sizeof(uint32_t)];
};
extern struct bootinfo bootinfo;
void *lookup_bootinfo(int);
#endif /* _LOCORE */
#endif /* _KERNEL */