// wdm.h

typedef enum _IOMMU_MAP_PHYSICAL_ADDRESS_TYPE {
  MapPhysicalAddressTypeMdl,
  MapPhysicalAddressTypeContiguousRange,
  MapPhysicalAddressTypePfn,
  MapPhysicalAddressTypeMax
} IOMMU_MAP_PHYSICAL_ADDRESS_TYPE, *PIOMMU_MAP_PHYSICAL_ADDRESS_TYPE;
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Windows Driver Kit DDI reference (ne-wdm-iommu_map_physical_address_type)

Description

The IOMMU_MAP_PHYSICAL_ADDRESS_TYPE enum indicates the format of the physical address described in an IOMMU_MAP_PHYSICAL_ADDRESS structure.

Constants

`MapPhysicalAddressTypeMdl`

The physical address to be mapped is described by a MDL.

`MapPhysicalAddressTypeContiguousRange`

The physical address to be mapped is physically contiguous and is described by a base and size.

`MapPhysicalAddressTypePfn`

The physical address is described by a PFN array.

`MapPhysicalAddressTypeMax`

Invalid physical address format.

IOMMU_MAP_PHYSICAL_ADDRESS_TYPE - NtDoc