Annotation of sys/arch/i386/include/mp.h, Revision 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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