#include <linux/intel-iommu.h>struct ioapic_scope {struct intel_iommu *iommu;unsigned int id;unsigned int bus;/* PCI bus number */unsigned int devfn;/* PCI devfn number */};struct hpet_scope {struct intel_iommu *iommu;
u8 id;unsigned int bus;unsigned int devfn;};#define IR_X2APIC_MODE(mode) (mode ? (1 << 11) : 0)