1 #ifndef __ASM_MPSPEC_DEF_H 2 #define __ASM_MPSPEC_DEF_H 3 4 /* 5 * Structure definitions for SMP machines following the 6 * Intel Multiprocessing Specification 1.1 and 1.4. 7 */ 8 9 /* 10 * This tag identifies where the SMP configuration 11 * information is. 12 */ 13 14 #define SMP_MAGIC_IDENT (('_'<<24)|('P'<<16)|('M'<<8)|'_') 15 16 #define MAX_MPC_ENTRY 1024 17 #define MAX_APICS 256 18 19 struct intel_mp_floating 20 { 21 char mpf_signature[4]; /* "_MP_" */ 22 unsigned long mpf_physptr; /* Configuration table address */ 23 unsigned char mpf_length; /* Our length (paragraphs) */ 24 unsigned char mpf_specification;/* Specification version */ 25 unsigned char mpf_checksum; /* Checksum (makes sum 0) */ 26 unsigned char mpf_feature1; /* Standard or configuration ? */ 27 unsigned char mpf_feature2; /* Bit7 set for IMCR|PIC */ 28 unsigned char mpf_feature3; /* Unused (0) */ 29 unsigned char mpf_feature4; /* Unused (0) */ 30 unsigned char mpf_feature5; /* Unused (0) */ 31 }; 32 33 struct mp_config_table 34 { 35 char mpc_signature[4]; 36 #define MPC_SIGNATURE "PCMP" 37 unsigned short mpc_length; /* Size of table */ 38 char mpc_spec; /* 0x01 */ 39 char mpc_checksum; 40 char mpc_oem[8]; 41 char mpc_productid[12]; 42 unsigned long mpc_oemptr; /* 0 if not present */ 43 unsigned short mpc_oemsize; /* 0 if not present */ 44 unsigned short mpc_oemcount; 45 unsigned long mpc_lapic; /* APIC address */ 46 unsigned long reserved; 47 }; 48 49 /* Followed by entries */ 50 51 #define MP_PROCESSOR 0 52 #define MP_BUS 1 53 #define MP_IOAPIC 2 54 #define MP_INTSRC 3 55 #define MP_LINTSRC 4 56 #define MP_TRANSLATION 192 /* Used by IBM NUMA-Q to describe node locality */ 57 58 struct mpc_config_processor 59 { 60 unsigned char mpc_type; 61 unsigned char mpc_apicid; /* Local APIC number */ 62 unsigned char mpc_apicver; /* Its versions */ 63 unsigned char mpc_cpuflag; 64 #define CPU_ENABLED 1 /* Processor is available */ 65 #define CPU_BOOTPROCESSOR 2 /* Processor is the BP */ 66 unsigned long mpc_cpufeature; 67 #define CPU_STEPPING_MASK 0x0F 68 #define CPU_MODEL_MASK 0xF0 69 #define CPU_FAMILY_MASK 0xF00 70 unsigned long mpc_featureflag; /* CPUID feature value */ 71 unsigned long mpc_reserved[2]; 72 }; 73 74 struct mpc_config_bus 75 { 76 unsigned char mpc_type; 77 unsigned char mpc_busid; 78 unsigned char mpc_bustype[6]; 79 }; 80 81 /* List of Bus Type string values, Intel MP Spec. */ 82 #define BUSTYPE_EISA "EISA" 83 #define BUSTYPE_ISA "ISA" 84 #define BUSTYPE_INTERN "INTERN" /* Internal BUS */ 85 #define BUSTYPE_MCA "MCA" 86 #define BUSTYPE_VL "VL" /* Local bus */ 87 #define BUSTYPE_PCI "PCI" 88 #define BUSTYPE_PCMCIA "PCMCIA" 89 #define BUSTYPE_CBUS "CBUS" 90 #define BUSTYPE_CBUSII "CBUSII" 91 #define BUSTYPE_FUTURE "FUTURE" 92 #define BUSTYPE_MBI "MBI" 93 #define BUSTYPE_MBII "MBII" 94 #define BUSTYPE_MPI "MPI" 95 #define BUSTYPE_MPSA "MPSA" 96 #define BUSTYPE_NUBUS "NUBUS" 97 #define BUSTYPE_TC "TC" 98 #define BUSTYPE_VME "VME" 99 #define BUSTYPE_XPRESS "XPRESS" 100 101 struct mpc_config_ioapic 102 { 103 unsigned char mpc_type; 104 unsigned char mpc_apicid; 105 unsigned char mpc_apicver; 106 unsigned char mpc_flags; 107 #define MPC_APIC_USABLE 0x01 108 unsigned long mpc_apicaddr; 109 }; 110 111 struct mpc_config_intsrc 112 { 113 unsigned char mpc_type; 114 unsigned char mpc_irqtype; 115 unsigned short mpc_irqflag; 116 unsigned char mpc_srcbus; 117 unsigned char mpc_srcbusirq; 118 unsigned char mpc_dstapic; 119 unsigned char mpc_dstirq; 120 }; 121 122 enum mp_irq_source_types { 123 mp_INT = 0, 124 mp_NMI = 1, 125 mp_SMI = 2, 126 mp_ExtINT = 3 127 }; 128 129 #define MP_IRQDIR_DEFAULT 0 130 #define MP_IRQDIR_HIGH 1 131 #define MP_IRQDIR_LOW 3 132 133 134 struct mpc_config_lintsrc 135 { 136 unsigned char mpc_type; 137 unsigned char mpc_irqtype; 138 unsigned short mpc_irqflag; 139 unsigned char mpc_srcbusid; 140 unsigned char mpc_srcbusirq; 141 unsigned char mpc_destapic; 142 #define MP_APIC_ALL 0xFF 143 unsigned char mpc_destapiclint; 144 }; 145 146 struct mp_config_oemtable 147 { 148 char oem_signature[4]; 149 #define MPC_OEM_SIGNATURE "_OEM" 150 unsigned short oem_length; /* Size of table */ 151 char oem_rev; /* 0x01 */ 152 char oem_checksum; 153 char mpc_oem[8]; 154 }; 155 156 struct mpc_config_translation 157 { 158 unsigned char mpc_type; 159 unsigned char trans_len; 160 unsigned char trans_type; 161 unsigned char trans_quad; 162 unsigned char trans_global; 163 unsigned char trans_local; 164 unsigned short trans_reserved; 165 }; 166 167 /* 168 * Default configurations 169 * 170 * 1 2 CPU ISA 82489DX 171 * 2 2 CPU EISA 82489DX neither IRQ 0 timer nor IRQ 13 DMA chaining 172 * 3 2 CPU EISA 82489DX 173 * 4 2 CPU MCA 82489DX 174 * 5 2 CPU ISA+PCI 175 * 6 2 CPU EISA+PCI 176 * 7 2 CPU MCA+PCI 177 */ 178 179 enum mp_bustype { 180 MP_BUS_ISA = 1, 181 MP_BUS_EISA, 182 MP_BUS_PCI, 183 MP_BUS_MCA, 184 }; 185 #endif 186 187