DXGKARGCB_UNMAPMDLFROMIOMMU structure (d3dkmddi.h)
The DXGKARGCB_UNMAPMDLFROMIOMMU structure contains the arguments used by the DXGKCB_UNMAPMDLFROMIOMMU callback function to release the mapping that was set by DXGKCB_MAPMDLTOIOMMU.
Syntax
typedef struct _DXGKARGCB_UNMAPMDLFROMIOMMU {
[in] HANDLE hMemoryHandle;
} DXGKARGCB_UNMAPMDLFROMIOMMU;
Members
[in] hMemoryHandle
A Dxgkrnl tracking handle for the allocation to be released.
Remarks
See IOMMU-based GPU isolation for more information.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 10, version 1803 (WDDM 2.4) |
| Header | d3dkmddi.h |