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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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180 lines
4.2 KiB
C
180 lines
4.2 KiB
C
#ifndef __ASM_MPSPEC_DEF_H
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#define __ASM_MPSPEC_DEF_H
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/*
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* Structure definitions for SMP machines following the
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* Intel Multiprocessing Specification 1.1 and 1.4.
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*/
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/*
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* This tag identifies where the SMP configuration
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* information is.
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*/
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#define SMP_MAGIC_IDENT (('_'<<24) | ('P'<<16) | ('M'<<8) | '_')
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#ifdef CONFIG_X86_32
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# define MAX_MPC_ENTRY 1024
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# define MAX_APICS 256
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#else
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/*
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* A maximum of 255 APICs with the current APIC ID architecture.
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*/
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# define MAX_APICS 255
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#endif
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struct intel_mp_floating {
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char mpf_signature[4]; /* "_MP_" */
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unsigned int mpf_physptr; /* Configuration table address */
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unsigned char mpf_length; /* Our length (paragraphs) */
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unsigned char mpf_specification;/* Specification version */
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unsigned char mpf_checksum; /* Checksum (makes sum 0) */
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unsigned char mpf_feature1; /* Standard or configuration ? */
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unsigned char mpf_feature2; /* Bit7 set for IMCR|PIC */
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unsigned char mpf_feature3; /* Unused (0) */
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unsigned char mpf_feature4; /* Unused (0) */
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unsigned char mpf_feature5; /* Unused (0) */
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};
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#define MPC_SIGNATURE "PCMP"
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struct mp_config_table {
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char mpc_signature[4];
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unsigned short mpc_length; /* Size of table */
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char mpc_spec; /* 0x01 */
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char mpc_checksum;
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char mpc_oem[8];
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char mpc_productid[12];
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unsigned int mpc_oemptr; /* 0 if not present */
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unsigned short mpc_oemsize; /* 0 if not present */
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unsigned short mpc_oemcount;
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unsigned int mpc_lapic; /* APIC address */
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unsigned int reserved;
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};
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/* Followed by entries */
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#define MP_PROCESSOR 0
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#define MP_BUS 1
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#define MP_IOAPIC 2
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#define MP_INTSRC 3
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#define MP_LINTSRC 4
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/* Used by IBM NUMA-Q to describe node locality */
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#define MP_TRANSLATION 192
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#define CPU_ENABLED 1 /* Processor is available */
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#define CPU_BOOTPROCESSOR 2 /* Processor is the BP */
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#define CPU_STEPPING_MASK 0x000F
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#define CPU_MODEL_MASK 0x00F0
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#define CPU_FAMILY_MASK 0x0F00
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struct mpc_config_processor {
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unsigned char mpc_type;
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unsigned char mpc_apicid; /* Local APIC number */
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unsigned char mpc_apicver; /* Its versions */
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unsigned char mpc_cpuflag;
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unsigned int mpc_cpufeature;
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unsigned int mpc_featureflag; /* CPUID feature value */
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unsigned int mpc_reserved[2];
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};
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struct mpc_config_bus {
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unsigned char mpc_type;
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unsigned char mpc_busid;
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unsigned char mpc_bustype[6];
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};
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/* List of Bus Type string values, Intel MP Spec. */
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#define BUSTYPE_EISA "EISA"
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#define BUSTYPE_ISA "ISA"
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#define BUSTYPE_INTERN "INTERN" /* Internal BUS */
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#define BUSTYPE_MCA "MCA"
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#define BUSTYPE_VL "VL" /* Local bus */
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#define BUSTYPE_PCI "PCI"
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#define BUSTYPE_PCMCIA "PCMCIA"
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#define BUSTYPE_CBUS "CBUS"
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#define BUSTYPE_CBUSII "CBUSII"
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#define BUSTYPE_FUTURE "FUTURE"
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#define BUSTYPE_MBI "MBI"
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#define BUSTYPE_MBII "MBII"
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#define BUSTYPE_MPI "MPI"
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#define BUSTYPE_MPSA "MPSA"
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#define BUSTYPE_NUBUS "NUBUS"
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#define BUSTYPE_TC "TC"
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#define BUSTYPE_VME "VME"
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#define BUSTYPE_XPRESS "XPRESS"
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#define MPC_APIC_USABLE 0x01
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struct mpc_config_ioapic {
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unsigned char mpc_type;
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unsigned char mpc_apicid;
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unsigned char mpc_apicver;
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unsigned char mpc_flags;
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unsigned int mpc_apicaddr;
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};
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struct mpc_config_intsrc {
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unsigned char mpc_type;
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unsigned char mpc_irqtype;
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unsigned short mpc_irqflag;
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unsigned char mpc_srcbus;
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unsigned char mpc_srcbusirq;
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unsigned char mpc_dstapic;
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unsigned char mpc_dstirq;
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};
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enum mp_irq_source_types {
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mp_INT = 0,
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mp_NMI = 1,
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mp_SMI = 2,
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mp_ExtINT = 3
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};
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#define MP_IRQDIR_DEFAULT 0
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#define MP_IRQDIR_HIGH 1
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#define MP_IRQDIR_LOW 3
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#define MP_APIC_ALL 0xFF
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struct mpc_config_lintsrc {
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unsigned char mpc_type;
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unsigned char mpc_irqtype;
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unsigned short mpc_irqflag;
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unsigned char mpc_srcbusid;
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unsigned char mpc_srcbusirq;
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unsigned char mpc_destapic;
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unsigned char mpc_destapiclint;
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};
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#define MPC_OEM_SIGNATURE "_OEM"
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struct mp_config_oemtable {
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char oem_signature[4];
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unsigned short oem_length; /* Size of table */
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char oem_rev; /* 0x01 */
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char oem_checksum;
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char mpc_oem[8];
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};
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/*
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* Default configurations
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*
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* 1 2 CPU ISA 82489DX
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* 2 2 CPU EISA 82489DX neither IRQ 0 timer nor IRQ 13 DMA chaining
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* 3 2 CPU EISA 82489DX
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* 4 2 CPU MCA 82489DX
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* 5 2 CPU ISA+PCI
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* 6 2 CPU EISA+PCI
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* 7 2 CPU MCA+PCI
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*/
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enum mp_bustype {
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MP_BUS_ISA = 1,
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MP_BUS_EISA,
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MP_BUS_PCI,
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MP_BUS_MCA,
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};
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#endif
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