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48 lines
876 B
48 lines
876 B
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typedef struct _DMA_UTIL {
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NDIS_HANDLE NdisDmaHandle;
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PNDIS_BUFFER Buffer;
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ULONG Offset;
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ULONG Length;
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BOOLEAN Direction;
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} DMA_UTIL, *PDMA_UTIL;
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VOID
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InitializeDmaUtil(
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PDMA_UTIL DmaUtil,
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NDIS_HANDLE DmaHandle
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);
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NTSTATUS
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StartDmaTransfer(
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PDMA_UTIL DmaUtil,
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PNDIS_BUFFER Buffer,
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ULONG Offset,
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ULONG Length,
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BOOLEAN ToDevice
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);
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NTSTATUS
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CompleteDmaTransfer(
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PDMA_UTIL DmaUtil,
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BOOLEAN ToDevice
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);
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#define StartDmaTransferToDevice(_h,_b,_o,_l) StartDmaTransfer(_h,_b,_o,_l,TRUE)
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#define StartDmaTransferFromDevice(_h,_b,_o,_l) StartDmaTransfer(_h,_b,_o,_l,FALSE)
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#define CompleteDmaTransferToDevice(_h) CompleteDmaTransfer(_h,TRUE)
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#define CompleteDmaTransferFromDevice(_h) CompleteDmaTransfer(_h,FALSE)
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