PJOIN_DMA_DOMAIN callback function (wdm.h)
The PJOIN_DMA_DOMAIN callback function joins the specified DMA domain.
Syntax
PJOIN_DMA_DOMAIN PjoinDmaDomain;
NTSTATUS PjoinDmaDomain(
[in] PDMA_ADAPTER DmaAdapter,
[in] HANDLE DomainHandle
)
{...}
Parameters
[in] DmaAdapter
A pointer to a DMA_ADAPTER structure. This structure is the adapter object that represents the driver's bus-master DMA device or system DMA channel. The caller obtained this pointer from a previous call to the IoGetDmaAdapter routine.
[in] DomainHandle
The handle to the DMA domain that the caller previous obtained through PGET_DMA_DOMAIN.
Return value
Returns STATUS_SUCCESS if the call is successful. Otherwise, returns an appropriate NTSTATUS values error code. For more information, see NTSTATUS Values.
Requirements
Requirement | Value |
---|---|
Minimum supported client | Windows 10 |
Header | wdm.h (include Wdm.h) |
IRQL | PASSIVE_LEVEL |
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