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#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"
#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,
MP_BUS_MCA,
};
#endif /* _ASM_X86_MPSPEC_DEF_H */
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