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PLEAVE_DMA_DOMAIN callback function (wdm.h)

  • Article

This callback function leaves the specified DMA domain.

Syntax

PLEAVE_DMA_DOMAIN PleaveDmaDomain;

NTSTATUS PleaveDmaDomain(
  [in] PDMA_ADAPTER DmaAdapter
)
{...}

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.

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