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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 | /* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_MPSPEC_DEF_H #define _ASM_X86_MPSPEC_DEF_H /* * Structure definitions for SMP machines following the * Intel Multiprocessing Specification 1.1 and 1.4. */ /* * This tag identifies where the SMP configuration * information is. */ #define SMP_MAGIC_IDENT (('_'<<24) | ('P'<<16) | ('M'<<8) | '_') #ifdef CONFIG_X86_32 # define MAX_MPC_ENTRY 1024 #endif /* Intel MP Floating Pointer Structure */ struct mpf_intel { char signature[4]; /* "_MP_" */ unsigned int physptr; /* Configuration table address */ unsigned char length; /* Our length (paragraphs) */ unsigned char specification; /* Specification version */ unsigned char checksum; /* Checksum (makes sum 0) */ unsigned char feature1; /* Standard or configuration ? */ unsigned char feature2; /* Bit7 set for IMCR|PIC */ unsigned char feature3; /* Unused (0) */ unsigned char feature4; /* Unused (0) */ unsigned char feature5; /* Unused (0) */ }; #define MPC_SIGNATURE "PCMP" struct mpc_table { char signature[4]; unsigned short length; /* Size of table */ char spec; /* 0x01 */ char checksum; char oem[8]; char productid[12]; unsigned int oemptr; /* 0 if not present */ unsigned short oemsize; /* 0 if not present */ unsigned short oemcount; unsigned int lapic; /* APIC address */ unsigned int reserved; }; /* Followed by entries */ #define MP_PROCESSOR 0 #define MP_BUS 1 #define MP_IOAPIC 2 #define MP_INTSRC 3 #define MP_LINTSRC 4 /* Used by IBM NUMA-Q to describe node locality */ #define MP_TRANSLATION 192 #define CPU_ENABLED 1 /* Processor is available */ #define CPU_BOOTPROCESSOR 2 /* Processor is the boot CPU */ #define CPU_STEPPING_MASK 0x000F #define CPU_MODEL_MASK 0x00F0 #define CPU_FAMILY_MASK 0x0F00 struct mpc_cpu { unsigned char type; unsigned char apicid; /* Local APIC number */ unsigned char apicver; /* Its versions */ unsigned char cpuflag; unsigned int cpufeature; unsigned int featureflag; /* CPUID feature value */ unsigned int reserved[2]; }; struct mpc_bus { unsigned char type; unsigned char busid; unsigned char bustype[6]; }; /* List of Bus Type string values, Intel MP Spec. */ #define BUSTYPE_EISA "EISA" #define BUSTYPE_ISA "ISA" #define BUSTYPE_INTERN "INTERN" /* Internal BUS */ #define BUSTYPE_MCA "MCA" /* Obsolete */ #define BUSTYPE_VL "VL" /* Local bus */ #define BUSTYPE_PCI "PCI" #define BUSTYPE_PCMCIA "PCMCIA" #define BUSTYPE_CBUS "CBUS" #define BUSTYPE_CBUSII "CBUSII" #define BUSTYPE_FUTURE "FUTURE" #define BUSTYPE_MBI "MBI" #define BUSTYPE_MBII "MBII" #define BUSTYPE_MPI "MPI" #define BUSTYPE_MPSA "MPSA" #define BUSTYPE_NUBUS "NUBUS" #define BUSTYPE_TC "TC" #define BUSTYPE_VME "VME" #define BUSTYPE_XPRESS "XPRESS" #define MPC_APIC_USABLE 0x01 struct mpc_ioapic { unsigned char type; unsigned char apicid; unsigned char apicver; unsigned char flags; unsigned int apicaddr; }; struct mpc_intsrc { unsigned char type; unsigned char irqtype; unsigned short irqflag; unsigned char srcbus; unsigned char srcbusirq; unsigned char dstapic; unsigned char dstirq; }; enum mp_irq_source_types { mp_INT = 0, mp_NMI = 1, mp_SMI = 2, mp_ExtINT = 3 }; #define MP_IRQPOL_DEFAULT 0x0 #define MP_IRQPOL_ACTIVE_HIGH 0x1 #define MP_IRQPOL_RESERVED 0x2 #define MP_IRQPOL_ACTIVE_LOW 0x3 #define MP_IRQPOL_MASK 0x3 #define MP_IRQTRIG_DEFAULT 0x0 #define MP_IRQTRIG_EDGE 0x4 #define MP_IRQTRIG_RESERVED 0x8 #define MP_IRQTRIG_LEVEL 0xc #define MP_IRQTRIG_MASK 0xc #define MP_APIC_ALL 0xFF struct mpc_lintsrc { unsigned char type; unsigned char irqtype; unsigned short irqflag; unsigned char srcbusid; unsigned char srcbusirq; unsigned char destapic; unsigned char destapiclint; }; #define MPC_OEM_SIGNATURE "_OEM" struct mpc_oemtable { char signature[4]; unsigned short length; /* Size of table */ char rev; /* 0x01 */ char checksum; char mpc[8]; }; /* * Default configurations * * 1 2 CPU ISA 82489DX * 2 2 CPU EISA 82489DX neither IRQ 0 timer nor IRQ 13 DMA chaining * 3 2 CPU EISA 82489DX * 4 2 CPU MCA 82489DX * 5 2 CPU ISA+PCI * 6 2 CPU EISA+PCI * 7 2 CPU MCA+PCI */ enum mp_bustype { MP_BUS_ISA = 1, MP_BUS_EISA, MP_BUS_PCI, }; #endif /* _ASM_X86_MPSPEC_DEF_H */ |