English
- #ifndef __ASM_MPSPEC_H
- #define __ASM_MPSPEC_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)|'_')
- /*
- * a maximum of 16 APICs with the current APIC ID architecture.
- */
- #ifdef CONFIG_MULTIQUAD
- #define MAX_APICS 256
- #else /* !CONFIG_MULTIQUAD */
- #define MAX_APICS 16
- #endif /* CONFIG_MULTIQUAD */
- #define MAX_MPC_ENTRY 1024
- 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] __attribute((packed));
- };
- /* 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"
- 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
- */
- #ifdef CONFIG_MULTIQUAD
- #define MAX_IRQ_SOURCES 512
- #else /* !CONFIG_MULTIQUAD */
- #define MAX_IRQ_SOURCES 256
- #endif /* CONFIG_MULTIQUAD */
- #define MAX_MP_BUSSES 32
- enum mp_bustype {
- MP_BUS_ISA = 1,
- MP_BUS_EISA,
- MP_BUS_PCI,
- MP_BUS_MCA
- };
- extern int mp_bus_id_to_type [MAX_MP_BUSSES];
- extern int mp_bus_id_to_node [MAX_MP_BUSSES];
- extern int mp_bus_id_to_local [MAX_MP_BUSSES];
- extern int quad_local_to_mp_bus_id [NR_CPUS/4][4];
- extern int mp_bus_id_to_pci_bus [MAX_MP_BUSSES];
- extern unsigned int boot_cpu_physical_apicid;
- extern unsigned long phys_cpu_present_map;
- extern int smp_found_config;
- extern void find_smp_config (void);
- extern void get_smp_config (void);
- extern int nr_ioapics;
- extern int apic_version [MAX_APICS];
- extern int mp_bus_id_to_type [MAX_MP_BUSSES];
- extern int mp_irq_entries;
- extern struct mpc_config_intsrc mp_irqs [MAX_IRQ_SOURCES];
- extern int mpc_default_type;
- extern int mp_bus_id_to_pci_bus [MAX_MP_BUSSES];
- extern int mp_current_pci_id;
- extern unsigned long mp_lapic_addr;
- extern int pic_mode;
- extern int using_apic_timer;
- #endif
