Annotation of sys/arch/i386/include/mp.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: mp.h,v 1.2 2004/06/13 21:49:16 niklas Exp $ */
2:
3: /*-
4: * Copyright (c) 1996 SigmaSoft, Th. Lockert <tholo@sigmasoft.com>
5: * Copyright (c) 2000 Niklas Hallqvist.
6: * All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. All advertising materials mentioning features or use of this software
17: * must display the following acknowledgement:
18: * This product includes software developed by SigmaSoft, Th. Lockert.
19: * 4. The name of the author may not be used to endorse or promote products
20: * derived from this software without specific prior written permission.
21: *
22: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
23: * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
24: * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
25: * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
26: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
27: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
28: * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
29: * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
30: * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
31: * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32: */
33:
34: #ifndef _MACHINE_MP_H
35: #define _MACHINE_MP_H
36:
37: /*
38: * Configuration structures as defined in the Intel MP specification,
39: * version 1.4
40: */
41:
42: /*
43: * MP Floating Pointer structure; must be located on 16-byte boundary
44: */
45: struct mp_float {
46: u_int8_t signature[4];
47: #define MPF_SIGNATURE "_MP_"
48: u_int32_t pointer;
49: u_int8_t length;
50: u_int8_t revision;
51: u_int8_t checksum;
52: u_int8_t feature1;
53: #define MP_CONF_EXTENDED 0
54: #define MP_CONF_2_ISA 1
55: #define MP_CONF_2_EISA_NO_8 2
56: #define MP_CONF_2_EISA 3
57: #define MP_CONF_2_MCA 4
58: #define MP_CONF_2_ISA_PCI 5
59: #define MP_CONF_2_EISA_PCI 6
60: #define MP_CONF_2_MCA_PCI 7
61: u_int8_t feature2;
62: #define MP_IMCR 0x80
63: u_int8_t feature3;
64: u_int8_t feature4;
65: u_int8_t feature5;
66: };
67:
68: /*
69: * MP configuration table header
70: */
71: struct mp_conf {
72: u_int8_t signature[4];
73: #define MPC_SIGNATURE "PCMP"
74: u_int16_t length;
75: u_int8_t revision;
76: u_int8_t checksum;
77: u_int8_t oem[8];
78: u_int8_t product[12];
79: u_int32_t oem_pointer;
80: u_int16_t oem_length;
81: u_int16_t entry_count;
82: u_int32_t local_apic;
83: u_int16_t ext_length;
84: u_int8_t et_checksum;
85: u_int8_t reserved;
86: };
87:
88: /*
89: * Processor entry
90: */
91: struct mp_proc {
92: u_int8_t type;
93: #define MP_PROCESSOR 0
94: u_int8_t local_apic;
95: u_int8_t apic_version;
96: u_int8_t flags;
97: #define MP_ENABLE 0x01
98: #define MP_BOOTCPU 0x02
99: u_int32_t cpu_signature;
100: #define MP_STEPPING 0x0000000F
101: #define MP_MODEL 0x000000F0
102: #define MP_FAMILY 0x00000F00
103: u_int32_t feature_flags;
104: #define MP_FP 0x00000001
105: #define MP_MCE 0x00000080
106: #define MP_CX8 0x00000100
107: #define MP_APIC 0x00000200
108: u_int32_t reserved1;
109: u_int32_t reserved2;
110: };
111:
112: /*
113: * Bus entry
114: */
115: struct mp_bus {
116: u_int8_t type;
117: #define MP_BUS 1
118: u_int8_t bus_id;
119: u_int8_t bustype[6] __attribute((packed));
120: #define MP_BUS_CBUS "CBUS "
121: #define MP_BUS_CBUSII "CBUSII"
122: #define MP_BUS_EISA "EISA "
123: #define MP_BUS_FUTURE "FUTURE"
124: #define MP_BUS_INTERN "INTERN"
125: #define MP_BUS_ISA "ISA "
126: #define MP_BUS_MBI "MBI "
127: #define MP_BUS_MBII "MBII "
128: #define MP_BUS_MCA "MCA "
129: #define MP_BUS_MPI "MPI "
130: #define MP_BUS_MPSA "MPSA "
131: #define MP_BUS_NUBUS "NUBUS "
132: #define MP_BUS_PCI "PCI "
133: #define MP_BUS_PCCARD "PCMCIA"
134: #define MP_BUS_TC "TC "
135: #define MP_BUS_VLB "VL "
136: #define MP_BUS_VME "VME "
137: #define MP_BUS_XPRESS "XPRESS"
138: };
139:
140: /*
141: * I/O APIC entry
142: */
143: struct mp_apic {
144: u_int8_t type;
145: #define MP_IOAPIC 2
146: u_int8_t apic_id;
147: u_int8_t apic_version;
148: u_int8_t apic_flags;
149: #define MP_APIC_ENABLE 0x80
150: u_int32_t apic_address;
151: };
152:
153: /*
154: * I/O Interrupt Assignment entry
155: * Local Interrupt Assignment entry
156: */
157: struct mp_irq {
158: u_int8_t type;
159: #define MP_INTSRC 3
160: #define MP_LOCINTSRC 4
161: u_int8_t irqtype;
162: #define MP_INT_NORMAL 0
163: #define MP_INT_NMI 1
164: #define MP_INT_SMI 2
165: #define MP_INT_EXT 3
166: u_int16_t irqflags;
167: u_int8_t bus_id;
168: u_int8_t source_irq;
169: u_int8_t destination_apic;
170: #define MP_ALL_APIC 0xFF
171: u_int8_t apic_intr;
172: };
173:
174: /*
175: * System Address Space Mapping entry
176: */
177: struct mp_map {
178: u_int8_t type;
179: #define MP_SYSMAP 128
180: u_int8_t length;
181: u_int8_t bus;
182: u_int8_t address_type;
183: #define MP_ADDR_IO 0
184: #define MP_ADDR_MEM 1
185: #define MP_ADDR_PRE 2
186: u_int64_t address_base;
187: u_int64_t address_length;
188: };
189:
190: /*
191: * Bus Hierarchy Descriptor entry
192: */
193: struct mp_bushier {
194: u_int8_t type;
195: #define MP_BUSHIER 129
196: u_int8_t length;
197: u_int8_t bus_id;
198: u_int8_t bus_info;
199: #define MP_BUS_SUB 0x01
200: u_int8_t parent;
201: u_int8_t reserved1;
202: u_int16_t reserved2;
203: };
204:
205: /*
206: * Compatibility Bus Address Space Modifier entry
207: */
208: struct mp_buscompat {
209: u_int8_t type;
210: #define MP_BUSCOMPAT 130
211: u_int8_t length;
212: u_int8_t bus_id;
213: u_int8_t modifier;
214: #define MP_COMPAT_SUB 0x01
215: u_int32_t range;
216: };
217:
218: #ifdef _KERNEL
219: extern int napics;
220: #endif /* _KERNEL */
221:
222: #endif /* _MACHINE_MP_H */
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