typedef struct _IO_INTERRUPT_STRUCTURE {
    KINTERRUPT InterruptObject;
    PKINTERRUPT InterruptArray[MAXIMUM_PROCESSORS];
    KSPIN_LOCK SpinLock;
} IO_INTERRUPT_STRUCTURE, *PIO_INTERRUPT_STRUCTURE;

#define MAXIMUM_PROCESSORS 32

typedef struct _KINTERRUPT {
    CSHORT Type;
    CSHORT Size;
    LIST_ENTRY InterruptListEntry;
    PKSERVICE_ROUTINE ServiceRoutine;
    PVOID ServiceContext;
    KSPIN_LOCK SpinLock;
    ULONG Spare1;
    PKSPIN_LOCK ActualLock;
    PKINTERRUPT_ROUTINE DispatchAddress;
    ULONG Vector;
    KIRQL Irql;
    KIRQL SynchronizeIrql;
    BOOLEAN FloatingSave;
    BOOLEAN Connected;
    CCHAR Number;
    BOOLEAN ShareVector;
    KINTERRUPT_MODE Mode;
    ULONG ServiceCount;
    ULONG Spare3;
    ULONG DispatchCode[DISPATCH_LENGTH];
} KINTERRUPT;

KINTERRUPT结构，XP，Vista，Win7都不一样