// d3dkmddi.h

DXGKDDI_ENDEXCLUSIVEACCESS DxgkddiEndexclusiveaccess;

NTSTATUS DxgkddiEndexclusiveaccess(
  IN_CONST_HANDLE hAdapter,
  IN_PDXGKARG_ENDEXCLUSIVEACCESS pEndExclusiveAccess
)
{...}
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Windows Driver Kit DDI reference (nc-d3dkmddi-dxgkddi_endexclusiveaccess)

DXGKDDI_ENDEXCLUSIVEACCESS callback function

Description

Dxgkrnl calls DxgkDdiEndExclusiveAccess to notify the kernel-mode driver that an IOMMU domain switch just completed.

Parameters

`hAdapter`

[in] A handle to a context block that is associated with a display adapter.

`pEndExclusiveAccess`

[in] Pointer to a DXGKARG_ENDEXCLUSIVEACCESS structure that contains the input arguments for DxgkDdiEndExclusiveAccess.

Return value

DxgkDdiEndExclusiveAccess should return STATUS_SUCCESS if the operation succeeds. Otherwise, it should return an appropriate NTSTATUS error code.

Remarks

Dxgkrnl calls DxgkDdiBeginExclusiveAccess and DxgkDdiEndExclusiveAccess as a pair when an IOMMU domain switch needs to occur. See DxgkDdiBeginExclusiveAccess for implementation details.

DXGKDDI_ENDEXCLUSIVEACCESS - NtDoc