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