_EXT_IOMMU_DEVICE_ID

//0x18 bytes (sizeof) struct _EXT_IOMMU_DEVICE_ID { enum _EXT_IOMMU_DEVICE_TYPE DeviceType; //0x0 union { struct _EXT_IOMMU_DEVICE_ID_PCI Pci; //0x8 struct _EXT_IOMMU_DEVICE_ID_ACPI Acpi; //0x8 UCHAR IoApicId; //0x8 ULONGLONG LogicalId; //0x8 struct _EXT_IOMMU_DEVICE_ID_TEST Test; //0x8 }; };