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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 | #ifndef __ASM_MPSPEC_H #define __ASM_MPSPEC_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)|'_') /* * a maximum of 16 APICs with the current APIC ID architecture. */ #define MAX_APICS 16 struct intel_mp_floating { char mpf_signature[4]; /* "_MP_" */ unsigned long mpf_physptr; /* Configuration table address */ unsigned char mpf_length; /* Our length (paragraphs) */ unsigned char mpf_specification;/* Specification version */ unsigned char mpf_checksum; /* Checksum (makes sum 0) */ unsigned char mpf_feature1; /* Standard or configuration ? */ unsigned char mpf_feature2; /* Bit7 set for IMCR|PIC */ unsigned char mpf_feature3; /* Unused (0) */ unsigned char mpf_feature4; /* Unused (0) */ unsigned char mpf_feature5; /* Unused (0) */ }; struct mp_config_table { char mpc_signature[4]; #define MPC_SIGNATURE "PCMP" unsigned short mpc_length; /* Size of table */ char mpc_spec; /* 0x01 */ char mpc_checksum; char mpc_oem[8]; char mpc_productid[12]; unsigned long mpc_oemptr; /* 0 if not present */ unsigned short mpc_oemsize; /* 0 if not present */ unsigned short mpc_oemcount; unsigned long mpc_lapic; /* APIC address */ unsigned long reserved; }; /* Followed by entries */ #define MP_PROCESSOR 0 #define MP_BUS 1 #define MP_IOAPIC 2 #define MP_INTSRC 3 #define MP_LINTSRC 4 struct mpc_config_processor { unsigned char mpc_type; unsigned char mpc_apicid; /* Local APIC number */ unsigned char mpc_apicver; /* Its versions */ unsigned char mpc_cpuflag; #define CPU_ENABLED 1 /* Processor is available */ #define CPU_BOOTPROCESSOR 2 /* Processor is the BP */ unsigned long mpc_cpufeature; #define CPU_STEPPING_MASK 0x0F #define CPU_MODEL_MASK 0xF0 #define CPU_FAMILY_MASK 0xF00 unsigned long mpc_featureflag; /* CPUID feature value */ unsigned long mpc_reserved[2]; }; struct mpc_config_bus { unsigned char mpc_type; unsigned char mpc_busid; unsigned char mpc_bustype[6] __attribute((packed)); }; /* 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" #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" struct mpc_config_ioapic { unsigned char mpc_type; unsigned char mpc_apicid; unsigned char mpc_apicver; unsigned char mpc_flags; #define MPC_APIC_USABLE 0x01 unsigned long mpc_apicaddr; }; struct mpc_config_intsrc { unsigned char mpc_type; unsigned char mpc_irqtype; unsigned short mpc_irqflag; unsigned char mpc_srcbus; unsigned char mpc_srcbusirq; unsigned char mpc_dstapic; unsigned char mpc_dstirq; }; enum mp_irq_source_types { mp_INT = 0, mp_NMI = 1, mp_SMI = 2, mp_ExtINT = 3 }; #define MP_IRQDIR_DEFAULT 0 #define MP_IRQDIR_HIGH 1 #define MP_IRQDIR_LOW 3 struct mpc_config_lintsrc { unsigned char mpc_type; unsigned char mpc_irqtype; unsigned short mpc_irqflag; unsigned char mpc_srcbusid; unsigned char mpc_srcbusirq; unsigned char mpc_destapic; #define MP_APIC_ALL 0xFF unsigned char mpc_destapiclint; }; /* * 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 */ #define MAX_IRQ_SOURCES 128 #define MAX_MP_BUSSES 32 enum mp_bustype { MP_BUS_ISA = 1, MP_BUS_EISA, MP_BUS_PCI, MP_BUS_MCA }; extern int mp_bus_id_to_type [MAX_MP_BUSSES]; extern int mp_bus_id_to_pci_bus [MAX_MP_BUSSES]; extern unsigned int boot_cpu_id; extern unsigned long phys_cpu_present_map; extern int smp_found_config; extern void find_smp_config (void); extern void get_smp_config (void); extern int nr_ioapics; extern int apic_version [MAX_APICS]; extern int mp_bus_id_to_type [MAX_MP_BUSSES]; extern int mp_irq_entries; extern struct mpc_config_intsrc mp_irqs [MAX_IRQ_SOURCES]; extern int mpc_default_type; extern int mp_bus_id_to_pci_bus [MAX_MP_BUSSES]; extern int mp_current_pci_id; extern unsigned long mp_lapic_addr; extern int pic_mode; #endif |