mirror of https://gitee.com/openkylin/linux.git
243 lines
6.6 KiB
C
243 lines
6.6 KiB
C
#ifndef __ASM_MPSPEC_H
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#define __ASM_MPSPEC_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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/*
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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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struct intel_mp_floating
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{
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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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struct mp_config_table
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{
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char mpc_signature[4];
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#define MPC_SIGNATURE "PCMP"
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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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struct mpc_config_processor
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{
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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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#define CPU_ENABLED 1 /* Processor is available */
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#define CPU_BOOTPROCESSOR 2 /* Processor is the BP */
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unsigned int mpc_cpufeature;
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#define CPU_STEPPING_MASK 0x0F
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#define CPU_MODEL_MASK 0xF0
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#define CPU_FAMILY_MASK 0xF00
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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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{
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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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struct mpc_config_ioapic
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{
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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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#define MPC_APIC_USABLE 0x01
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unsigned int mpc_apicaddr;
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};
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struct mpc_config_intsrc
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{
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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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struct mpc_config_lintsrc
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{
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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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#define MP_APIC_ALL 0xFF
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unsigned char mpc_destapiclint;
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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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#define MAX_MP_BUSSES 256
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/* Each PCI slot may be a combo card with its own bus. 4 IRQ pins per slot. */
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#define MAX_IRQ_SOURCES (MAX_MP_BUSSES * 4)
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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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extern unsigned char mp_bus_id_to_type [MAX_MP_BUSSES];
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extern int mp_bus_id_to_pci_bus [MAX_MP_BUSSES];
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extern unsigned int boot_cpu_physical_apicid;
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extern int smp_found_config;
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extern void find_smp_config (void);
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extern void get_smp_config (void);
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extern int nr_ioapics;
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extern unsigned char apic_version [MAX_APICS];
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extern int mp_irq_entries;
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extern struct mpc_config_intsrc mp_irqs [MAX_IRQ_SOURCES];
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extern int mpc_default_type;
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extern unsigned long mp_lapic_addr;
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extern int pic_mode;
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#ifdef CONFIG_ACPI
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extern void mp_register_lapic (u8 id, u8 enabled);
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extern void mp_register_lapic_address (u64 address);
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#ifdef CONFIG_X86_IO_APIC
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extern void mp_register_ioapic (u8 id, u32 address, u32 gsi_base);
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extern void mp_override_legacy_irq (u8 bus_irq, u8 polarity, u8 trigger, u32 gsi);
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extern void mp_config_acpi_legacy_irqs (void);
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extern int mp_register_gsi (u32 gsi, int triggering, int polarity);
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#endif /*CONFIG_X86_IO_APIC*/
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#endif
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extern int using_apic_timer;
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#define PHYSID_ARRAY_SIZE BITS_TO_LONGS(MAX_APICS)
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struct physid_mask
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{
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unsigned long mask[PHYSID_ARRAY_SIZE];
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};
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typedef struct physid_mask physid_mask_t;
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#define physid_set(physid, map) set_bit(physid, (map).mask)
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#define physid_clear(physid, map) clear_bit(physid, (map).mask)
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#define physid_isset(physid, map) test_bit(physid, (map).mask)
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#define physid_test_and_set(physid, map) test_and_set_bit(physid, (map).mask)
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#define physids_and(dst, src1, src2) bitmap_and((dst).mask, (src1).mask, (src2).mask, MAX_APICS)
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#define physids_or(dst, src1, src2) bitmap_or((dst).mask, (src1).mask, (src2).mask, MAX_APICS)
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#define physids_clear(map) bitmap_zero((map).mask, MAX_APICS)
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#define physids_complement(dst, src) bitmap_complement((dst).mask, (src).mask, MAX_APICS)
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#define physids_empty(map) bitmap_empty((map).mask, MAX_APICS)
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#define physids_equal(map1, map2) bitmap_equal((map1).mask, (map2).mask, MAX_APICS)
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#define physids_weight(map) bitmap_weight((map).mask, MAX_APICS)
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#define physids_shift_right(d, s, n) bitmap_shift_right((d).mask, (s).mask, n, MAX_APICS)
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#define physids_shift_left(d, s, n) bitmap_shift_left((d).mask, (s).mask, n, MAX_APICS)
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#define physids_coerce(map) ((map).mask[0])
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#define physids_promote(physids) \
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({ \
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physid_mask_t __physid_mask = PHYSID_MASK_NONE; \
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__physid_mask.mask[0] = physids; \
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__physid_mask; \
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})
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#define physid_mask_of_physid(physid) \
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({ \
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physid_mask_t __physid_mask = PHYSID_MASK_NONE; \
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physid_set(physid, __physid_mask); \
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__physid_mask; \
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})
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#define PHYSID_MASK_ALL { {[0 ... PHYSID_ARRAY_SIZE-1] = ~0UL} }
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#define PHYSID_MASK_NONE { {[0 ... PHYSID_ARRAY_SIZE-1] = 0UL} }
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extern physid_mask_t phys_cpu_present_map;
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#endif
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