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/* $OpenBSD: mp.h,v 1.2 2004/06/13 21:49:16 niklas Exp $ */
/*-
* Copyright (c) 1996 SigmaSoft, Th. Lockert <tholo@sigmasoft.com>
* Copyright (c) 2000 Niklas Hallqvist.
* 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 by SigmaSoft, Th. Lockert.
* 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 ``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 _MACHINE_MP_H
#define _MACHINE_MP_H
/*
* Configuration structures as defined in the Intel MP specification,
* version 1.4
*/
/*
* MP Floating Pointer structure; must be located on 16-byte boundary
*/
struct mp_float {
u_int8_t signature[4];
#define MPF_SIGNATURE "_MP_"
u_int32_t pointer;
u_int8_t length;
u_int8_t revision;
u_int8_t checksum;
u_int8_t feature1;
#define MP_CONF_EXTENDED 0
#define MP_CONF_2_ISA 1
#define MP_CONF_2_EISA_NO_8 2
#define MP_CONF_2_EISA 3
#define MP_CONF_2_MCA 4
#define MP_CONF_2_ISA_PCI 5
#define MP_CONF_2_EISA_PCI 6
#define MP_CONF_2_MCA_PCI 7
u_int8_t feature2;
#define MP_IMCR 0x80
u_int8_t feature3;
u_int8_t feature4;
u_int8_t feature5;
};
/*
* MP configuration table header
*/
struct mp_conf {
u_int8_t signature[4];
#define MPC_SIGNATURE "PCMP"
u_int16_t length;
u_int8_t revision;
u_int8_t checksum;
u_int8_t oem[8];
u_int8_t product[12];
u_int32_t oem_pointer;
u_int16_t oem_length;
u_int16_t entry_count;
u_int32_t local_apic;
u_int16_t ext_length;
u_int8_t et_checksum;
u_int8_t reserved;
};
/*
* Processor entry
*/
struct mp_proc {
u_int8_t type;
#define MP_PROCESSOR 0
u_int8_t local_apic;
u_int8_t apic_version;
u_int8_t flags;
#define MP_ENABLE 0x01
#define MP_BOOTCPU 0x02
u_int32_t cpu_signature;
#define MP_STEPPING 0x0000000F
#define MP_MODEL 0x000000F0
#define MP_FAMILY 0x00000F00
u_int32_t feature_flags;
#define MP_FP 0x00000001
#define MP_MCE 0x00000080
#define MP_CX8 0x00000100
#define MP_APIC 0x00000200
u_int32_t reserved1;
u_int32_t reserved2;
};
/*
* Bus entry
*/
struct mp_bus {
u_int8_t type;
#define MP_BUS 1
u_int8_t bus_id;
u_int8_t bustype[6] __attribute((packed));
#define MP_BUS_CBUS "CBUS "
#define MP_BUS_CBUSII "CBUSII"
#define MP_BUS_EISA "EISA "
#define MP_BUS_FUTURE "FUTURE"
#define MP_BUS_INTERN "INTERN"
#define MP_BUS_ISA "ISA "
#define MP_BUS_MBI "MBI "
#define MP_BUS_MBII "MBII "
#define MP_BUS_MCA "MCA "
#define MP_BUS_MPI "MPI "
#define MP_BUS_MPSA "MPSA "
#define MP_BUS_NUBUS "NUBUS "
#define MP_BUS_PCI "PCI "
#define MP_BUS_PCCARD "PCMCIA"
#define MP_BUS_TC "TC "
#define MP_BUS_VLB "VL "
#define MP_BUS_VME "VME "
#define MP_BUS_XPRESS "XPRESS"
};
/*
* I/O APIC entry
*/
struct mp_apic {
u_int8_t type;
#define MP_IOAPIC 2
u_int8_t apic_id;
u_int8_t apic_version;
u_int8_t apic_flags;
#define MP_APIC_ENABLE 0x80
u_int32_t apic_address;
};
/*
* I/O Interrupt Assignment entry
* Local Interrupt Assignment entry
*/
struct mp_irq {
u_int8_t type;
#define MP_INTSRC 3
#define MP_LOCINTSRC 4
u_int8_t irqtype;
#define MP_INT_NORMAL 0
#define MP_INT_NMI 1
#define MP_INT_SMI 2
#define MP_INT_EXT 3
u_int16_t irqflags;
u_int8_t bus_id;
u_int8_t source_irq;
u_int8_t destination_apic;
#define MP_ALL_APIC 0xFF
u_int8_t apic_intr;
};
/*
* System Address Space Mapping entry
*/
struct mp_map {
u_int8_t type;
#define MP_SYSMAP 128
u_int8_t length;
u_int8_t bus;
u_int8_t address_type;
#define MP_ADDR_IO 0
#define MP_ADDR_MEM 1
#define MP_ADDR_PRE 2
u_int64_t address_base;
u_int64_t address_length;
};
/*
* Bus Hierarchy Descriptor entry
*/
struct mp_bushier {
u_int8_t type;
#define MP_BUSHIER 129
u_int8_t length;
u_int8_t bus_id;
u_int8_t bus_info;
#define MP_BUS_SUB 0x01
u_int8_t parent;
u_int8_t reserved1;
u_int16_t reserved2;
};
/*
* Compatibility Bus Address Space Modifier entry
*/
struct mp_buscompat {
u_int8_t type;
#define MP_BUSCOMPAT 130
u_int8_t length;
u_int8_t bus_id;
u_int8_t modifier;
#define MP_COMPAT_SUB 0x01
u_int32_t range;
};
#ifdef _KERNEL
extern int napics;
#endif /* _KERNEL */
#endif /* _MACHINE_MP_H */
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