// d3dkmddi.h

DXGKDDI_UNMAPCPUHOSTAPERTURE DxgkddiUnmapcpuhostaperture;

NTSTATUS DxgkddiUnmapcpuhostaperture(
  IN_CONST_HANDLE hAdapter,
  IN_CONST_PDXGKARG_UNMAPCPUHOSTAPERTURE pArgs
)
{...}
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Windows Driver Kit DDI reference (nc-d3dkmddi-dxgkddi_unmapcpuhostaperture)

DXGKDDI_UNMAPCPUHOSTAPERTURE callback function

Description

DxgkDdiUnmapCpuHostAperture is used to unmap a previously mapped range of the CPU host aperture.

Parameters

`hAdapter`

A handle to the display adapter.

`pArgs`

A DXGKARG_UNMAPCPUHOSTAPERTURE structure that describes the operation.

Return value

Returns STATUS_SUCCESS if it succeeds. Otherwise, it returns one of the error codes defined in Ntstatus.h.

DXGKDDI_UNMAPCPUHOSTAPERTURE - NtDoc