mpspec_def.h
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#ifndef __ASM_MPSPEC_DEF_H
#define __ASM_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)|'_')
#define MAX_MPC_ENTRY 1024
#define MAX_APICS 256
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
#define MP_TRANSLATION 192 /* Used by IBM NUMA-Q to describe node locality */
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];
};
/* 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"
#define BUSTYPE_NEC98 "NEC98"
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;
};
struct mp_config_oemtable
{
char oem_signature[4];
#define MPC_OEM_SIGNATURE "_OEM"
unsigned short oem_length; /* Size of table */
char oem_rev; /* 0x01 */
char oem_checksum;
char mpc_oem[8];
};
struct mpc_config_translation
{
unsigned char mpc_type;
unsigned char trans_len;
unsigned char trans_type;
unsigned char trans_quad;
unsigned char trans_global;
unsigned char trans_local;
unsigned short trans_reserved;
};
/*
* 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,
MP_BUS_MCA,
MP_BUS_NEC98
};
#endif