DXGKCB_UNMAPPHYSICALMEMORY - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers 
// d3dkmddi.h

DXGKCB_UNMAPPHYSICALMEMORY DxgkcbUnmapphysicalmemory;

VOID DxgkcbUnmapphysicalmemory(
  [in] IN_CONST_PDXGKARGCB_UNMAP_PHYSICAL_MEMORY pArgs
)
{...}
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (nc-d3dkmddi-dxgkcb_unmapphysicalmemory)

Description

DXGKCB_UNMAPPHYSICALMEMORY unmaps a CPU-visible virtual address from the underlying physical memory.

Parameters

pArgs [in]

Pointer to a DXGKARGCB_UNMAP_PHYSICAL_MEMORY structure that contains information about the physical memory object from which the CPU-visible address is being unmapped.

Remarks

DXGKCB_XXX functions are implemented by Dxgkrnl. To use this callback function, set the members of DXGKARGCB_UNMAP_PHYSICAL_MEMORY and then call DxgkCbUnmapPhysicalMemory via the DXGKRNL_INTERFACE.

See IOMMU DMA remapping for more information.

See also

DXGKARGCB_UNMAP_PHYSICAL_MEMORY

DXGKCB_MAPPHYSICALMEMORY

DXGKRNL_INTERFACE

View the official Windows Driver Kit DDI reference

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