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IOMMU_UNMAP_IDENTITY_RANGE callback function (wdm.h)

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Deletes an identity mapping for the specified MDL.

Syntax

IOMMU_UNMAP_IDENTITY_RANGE IommuUnmapIdentityRange;

NTSTATUS IommuUnmapIdentityRange(
  [_In_] PIOMMU_DMA_DOMAIN Domain,
  [_In_] PMDL Mdl
)
{...}

Parameters

[_In_] Domain

A pointer to the handle to the domain.

[_In_] Mdl

A pointer to the MDL to unmap.

Return value

Return STATUS_SUCCESS if the operation succeeds. Otherwise, return an appropriate NTSTATUS Values error code. For more information, see NTSTATUS Values.

Requirements

Requirement Value
Minimum supported client Windows 10, version 1803
Header wdm.h (include Wdm.h)