DXGKCB_UNMAPMDLFROMIOMMU callback function (d3dkmddi.h)

Implemented by the client driver to release the mapping that was set by DXGKCB_MAPMDLTOIOMMU.

Syntax

DXGKCB_UNMAPMDLFROMIOMMU DxgkcbUnmapmdlfromiommu;

void DxgkcbUnmapmdlfromiommu(
  IN_CONST_HANDLE hAdapter,
  IN_CONST_PDXGKARGCB_UNMAPMDLFROMIOMMU pUnmapMdlFromIoMmu
)
{...}

Parameters

hAdapter

A handle to a display adapter. The driver provides this handle for the master/lead device in the LDA chain.

pUnmapMdlFromIoMmu

A pointer to the DXGKARGCB_UNMAPMDLFROMIOMMU structure that contains a handle to the memory to be unmapped.

Return value

None

Remarks

Register your implementation of this callback function by setting the appropriate member of DXGKARGCB_UNMAPMDLFROMIOMMU and then calling DxgkCbUnmapMdlFromIoMmu.

Requirements

   
Header d3dkmddi.h