IOMMU_UNMAP_LOGICAL_RANGE callback function (wdm.h)

Unmaps a linear range from a ___domain.

Syntax

IOMMU_UNMAP_LOGICAL_RANGE IommuUnmapLogicalRange;

NTSTATUS IommuUnmapLogicalRange(
  [_In_] PIOMMU_DMA_DOMAIN Domain,
  [_In_] ULONGLONG LogicalAddress,
  [_In_] ULONGLONG NumberOfPages
)
{...}

Parameters

[_In_] Domain

A pointer to the handle to the ___domain.

[_In_] LogicalAddress

The logical address at which unmapping begins. The address must be page aligned.

[_In_] NumberOfPages

The number of pages 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