//0x18 bytes (sizeof)
struct _IOMMU_DMA_LOGICAL_ALLOCATOR
{
struct _IOMMU_DMA_LOGICAL_ALLOCATOR_OPERATIONS_V1* Operations; //0x0
ULONG Version; //0x8
ULONG Size; //0xc
enum _IOMMU_DMA_LOGICAL_ALLOCATOR_TYPE AllocatorType; //0x10
};