Metadatacopystruct _DMA_ADAPTER_INFO_V1 { unsigned long ReadDmaCounterAvailable;/* 0x0 4 */ unsigned long ScatterGatherLimit;/* 0x4 4 */ unsigned long DmaAddressWidth;/* 0x8 4 */ unsigned long Flags;/* 0xc 4 */ unsigned long MinimumTransferUnit;/* 0x10 4 */};