Edit

IOMMU_MAP_IDENTITY_RANGE callback function (wdm.h)

  • Article

Creates an identity mapping for the provided MDL in the specified domain.

Syntax

IOMMU_MAP_IDENTITY_RANGE IommuMapIdentityRange;

NTSTATUS IommuMapIdentityRange(
  [_In_] PIOMMU_DMA_DOMAIN Domain,
  [_In_] ULONG Permissions,
  [_In_] PMDL Mdl
)
{...}

Parameters

[_In_] Domain

A pointer to the handle to the domain.

[_In_] Permissions

A ULONG variable that specifies the permissions for the mapping.

[_In_] Mdl

A pointer to the MDL to map.

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)