struct _EXT_IOMMU_DEVICE {
void* Context;/* 0x0 8 */
unsigned __int64 AssociatedDomainId;/* 0x18 8 */
unsigned short FirmwareDomainId;/* 0x20 2 */
unsigned char FaultReportingEnabled;/* 0x22 1 */
unsigned char IsReservedDevice;/* 0x23 1 */
/* 4 bytes padding */
unsigned char DefaultDmaAlwaysBlocked;/* 0x30 1 */
};