1/* $NetBSD: mpbiosreg.h,v 1.6 2010/04/18 23:47:51 jym 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 *
21 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 */
33
34#ifndef _X86_MPBIOSREG_H_
35#define _X86_MPBIOSREG_H_
36
37#define BIOS_BASE (0xf0000)
38#define BIOS_SIZE (0x10000)
39#define BIOS_COUNT (BIOS_SIZE)
40
41/*
42 * Multiprocessor config table entry types.
43 */
44
45#define MPS_MCT_CPU 0
46#define MPS_MCT_BUS 1
47#define MPS_MCT_IOAPIC 2
48#define MPS_MCT_IOINT 3
49#define MPS_MCT_LINT 4
50
51#define MPS_MCT_NTYPES 5
52
53/* MP Floating Pointer Structure */
54struct mpbios_fps {
55 uint32_t signature;
56/* string defined by the Intel MP Spec as identifying the MP table */
57#define MP_FP_SIG 0x5f504d5f /* _MP_ */
58
59 uint32_t pap;
60 uint8_t length;
61 uint8_t spec_rev;
62 uint8_t checksum;
63 uint8_t mpfb1; /* system configuration */
64 uint8_t mpfb2; /* flags */
65#define MPFPS_FLAG_IMCR 0x80 /* IMCR present */
66 uint8_t mpfb3; /* unused */
67 uint8_t mpfb4; /* unused */
68 uint8_t mpfb5; /* unused */
69};
70
71/* MP Configuration Table Header */
72struct mpbios_cth {
73 uint32_t signature;
74#define MP_CT_SIG 0x504d4350 /* PCMP */
75
76 uint16_t base_len;
77 uint8_t spec_rev;
78 uint8_t checksum;
79 uint8_t oem_id[8];
80 uint8_t product_id[12];
81 uint32_t oem_table_pointer;
82 uint16_t oem_table_size;
83 uint16_t entry_count;
84 uint32_t apic_address;
85 uint16_t ext_len;
86 uint8_t ext_cksum;
87 uint8_t reserved;
88};
89
90struct mpbios_proc {
91 uint8_t type;
92 uint8_t apic_id;
93 uint8_t apic_version;
94 uint8_t cpu_flags;
95#define PROCENTRY_FLAG_EN 0x01
96#define PROCENTRY_FLAG_BP 0x02
97 uint32_t reserved1;
98 uint32_t reserved2;
99};
100
101struct mpbios_bus {
102 uint8_t type;
103 uint8_t bus_id;
104 char bus_type[6];
105};
106
107struct mpbios_ioapic {
108 uint8_t type;
109 uint8_t apic_id;
110 uint8_t apic_version;
111 uint8_t apic_flags;
112#define IOAPICENTRY_FLAG_EN 0x01
113 uint32_t apic_address;
114};
115
116struct mpbios_int {
117 uint8_t type;
118 uint8_t int_type;
119 uint16_t int_flags;
120 uint8_t src_bus_id;
121 uint8_t src_bus_irq;
122 uint8_t dst_apic_id;
123#define MPS_ALL_APICS 0xff
124 uint8_t dst_apic_int;
125};
126
127
128#endif /* !_X86_MPBIOSREG_H_ */
129