Bus-master miniport drivers call NdisMDeregisterScatterGatherDma to release DMA resources that were allocated with the NdisMRegisterScatterGatherDma function.
void NdisMDeregisterScatterGatherDma( NDIS_HANDLE NdisMiniportDmaHandle );
A handle to a context area that NDIS uses to manage a DMA resource. The caller obtained this handle by calling the NdisMRegisterScatterGatherDma function.
An NDIS miniport driver calls NdisMDeregisterScatterGatherDma from its MiniportHaltEx function to release the DMA resources it allocated and initialized in a previous call to NdisMRegisterScatterGatherDma.
|Windows version||Supported in NDIS 6.0 and later.|
|Header||ndis.h (include Ndis.h)|
|DDI compliance rules||Init_RegisterSG, Irql_Gather_DMA_Function|