/* 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 BP */ #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_IRQDIR_DEFAULT 0 #define MP_IRQDIR_HIGH 1 #define MP_IRQDIR_LOW 3 #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 */Overall Contributors
Person | Tokens | Prop | Commits | CommitProp |
Andrew Morton | 380 | 75.25% | 1 | 4.35% |
Jaswinder Singh Rajput | 63 | 12.48% | 16 | 69.57% |
Thomas Gleixner | 55 | 10.89% | 1 | 4.35% |
H. Peter Anvin | 3 | 0.59% | 1 | 4.35% |
Greg Kroah-Hartman | 1 | 0.20% | 1 | 4.35% |
Paul Gortmaker | 1 | 0.20% | 1 | 4.35% |
Joe Perches | 1 | 0.20% | 1 | 4.35% |
Adrian Bunk | 1 | 0.20% | 1 | 4.35% |
Total | 505 | 100.00% | 23 | 100.00% |