struct _IOMMU_INTERFACE_CALLBACK_RECORD// Size=0x30
{
    struct _LIST_ENTRY ListEntry;// Offset=0x0 Size=0x10
    void  ( * CallbackRoutine)(struct _IOMMU_INTERFACE_STATE_CHANGE * ,void * );// Offset=0x10 Size=0x8
    void * CallbackContext;// Offset=0x18 Size=0x8
    struct _IOMMU_DMA_DEVICE * DmaDevice;// Offset=0x20 Size=0x8
    struct _IOMMU_INTERFACE_STATE_CHANGE LastReportedState;// Offset=0x28 Size=0x8
};