DXGKDDI_ENDEXCLUSIVEACCESS callback function (d3dkmddi.h)
Dxgkrnl calls DxgkDdiEndExclusiveAccess to notify the kernel-mode driver that an IOMMU domain switch just completed.
Syntax
DXGKDDI_ENDEXCLUSIVEACCESS DxgkddiEndexclusiveaccess;
NTSTATUS DxgkddiEndexclusiveaccess(
IN_CONST_HANDLE hAdapter,
IN_PDXGKARG_ENDEXCLUSIVEACCESS pEndExclusiveAccess
)
{...}
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.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 10, version 1803 (WDDM 2.4) |
| Header | d3dkmddi.h |
| IRQL | PASSIVE_LEVEL |