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mpbiosreg.h revision 1.1 
      1 /* 	$NetBSD: mpbiosreg.h,v 1.1 2003/02/26 21:26:10 fvdl Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2000 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by RedBack Networks Inc.
      9  *
     10  * Author: Bill Sommerfeld
     11  *
     12  * Redistribution and use in source and binary forms, with or without
     13  * modification, are permitted provided that the following conditions
     14  * are met:
     15  * 1. Redistributions of source code must retain the above copyright
     16  *    notice, this list of conditions and the following disclaimer.
     17  * 2. Redistributions in binary form must reproduce the above copyright
     18  *    notice, this list of conditions and the following disclaimer in the
     19  *    documentation and/or other materials provided with the distribution.
     20  * 3. All advertising materials mentioning features or use of this software
     21  *    must display the following acknowledgement:
     22  *        This product includes software developed by the NetBSD
     23  *        Foundation, Inc. and its contributors.
     24  * 4. Neither the name of The NetBSD Foundation nor the names of its
     25  *    contributors may be used to endorse or promote products derived
     26  *    from this software without specific prior written permission.
     27  *
     28  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     29  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     30  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     31  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     32  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     33  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     34  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     35  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     36  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     37  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     38  * POSSIBILITY OF SUCH DAMAGE.
     39  */
     40 
     41 #ifndef _X86_MPBIOSREG_H_
     42 #define _X86_MPBIOSREG_H_
     43 
     44 #define BIOS_BASE		(0xf0000)
     45 #define BIOS_SIZE		(0x10000)
     46 #define BIOS_COUNT		(BIOS_SIZE)
     47 
     48 /*
     49  * Multiprocessor config table entry types.
     50  */
     51 
     52 #define MPS_MCT_CPU	0
     53 #define MPS_MCT_BUS	1
     54 #define MPS_MCT_IOAPIC	2
     55 #define MPS_MCT_IOINT	3
     56 #define MPS_MCT_LINT	4
     57 
     58 #define MPS_MCT_NTYPES	5
     59 
     60 /* MP Floating Pointer Structure */
     61 struct mpbios_fps {
     62 	u_int32_t	signature;
     63 /* string defined by the Intel MP Spec as identifying the MP table */
     64 #define MP_FP_SIG		0x5f504d5f	/* _MP_ */
     65 
     66 	u_int32_t 	pap;
     67 	u_int8_t  	length;
     68 	u_int8_t  	spec_rev;
     69 	u_int8_t  	checksum;
     70 	u_int8_t  	mpfb1;	/* system configuration */
     71 	u_int8_t  	mpfb2;	/* flags */
     72 #define MPFPS_FLAG_IMCR		0x80	/* IMCR present */
     73 	u_int8_t  	mpfb3;	/* unused */
     74 	u_int8_t  	mpfb4;	/* unused */
     75 	u_int8_t  	mpfb5;	/* unused */
     76 };
     77 
     78 /* MP Configuration Table Header */
     79 struct mpbios_cth {
     80 	u_int32_t	signature;
     81 #define MP_CT_SIG		0x504d4350 	/* PCMP */
     82 
     83 	u_int16_t 	base_len;
     84 	u_int8_t  	spec_rev;
     85 	u_int8_t  	checksum;
     86 	u_int8_t  	oem_id[8];
     87 	u_int8_t  	product_id[12];
     88 	u_int32_t	oem_table_pointer;
     89 	u_int16_t 	oem_table_size;
     90 	u_int16_t 	entry_count;
     91 	u_int32_t	apic_address;
     92 	u_int16_t	ext_len;
     93 	u_int8_t  	ext_cksum;
     94 	u_int8_t  	reserved;
     95 };
     96 
     97 struct mpbios_proc {
     98 	u_int8_t  type;
     99 	u_int8_t  apic_id;
    100 	u_int8_t  apic_version;
    101 	u_int8_t  cpu_flags;
    102 #define PROCENTRY_FLAG_EN	0x01
    103 #define PROCENTRY_FLAG_BP	0x02
    104 	u_long  cpu_signature;
    105 	u_long  feature_flags;
    106 	u_long  reserved1;
    107 	u_long  reserved2;
    108 };
    109 
    110 struct mpbios_bus {
    111 	u_int8_t  type;
    112 	u_int8_t  bus_id;
    113 	char    bus_type[6];
    114 };
    115 
    116 struct mpbios_ioapic {
    117 	u_int8_t  type;
    118 	u_int8_t  apic_id;
    119 	u_int8_t  apic_version;
    120 	u_int8_t  apic_flags;
    121 #define IOAPICENTRY_FLAG_EN	0x01
    122 	void   *apic_address;
    123 };
    124 
    125 struct mpbios_int {
    126 	u_int8_t  type;
    127 	u_int8_t  int_type;
    128 	u_int16_t int_flags;
    129 	u_int8_t  src_bus_id;
    130 	u_int8_t  src_bus_irq;
    131 	u_int8_t  dst_apic_id;
    132 #define MPS_ALL_APICS	0xff
    133 	u_int8_t  dst_apic_int;
    134 };
    135 
    136 
    137 #endif /* !_X86_MPBIOSREG_H_ */
    138