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IOMMU_DEVICE_CREATION_CONFIGURATION_ACPI structure (wdm.h)

  • Article

IOMMU_DEVICE_CREATION_CONFIGURATION_ACPI provides the ACPI-specific configuration parameters of a IOMMU_DEVICE_CREATION_CONFIGURATION structure, which is provided for creation of an ACPI-type IOMMU_DMA_DEVICE.

Syntax

typedef struct _IOMMU_DEVICE_CREATION_CONFIGURATION_ACPI {
  UINT32 InputMappingBase;
  UINT32 MappingsCount;
} IOMMU_DEVICE_CREATION_CONFIGURATION_ACPI, *PIOMMU_DEVICE_CREATION_CONFIGURATION_ACPI;

Members

InputMappingBase

Provides the input mapping base for the device's desired stream.

MappingsCount

Provides the count of mappings beginning at the base.

Remarks

This is required for ACPI devices on ARM64 systems.

Requirements

Requirement Value
Minimum supported server Windows Server 2022
Header wdm.h (include Wdm.h)

See also

IOMMU_DEVICE_CREATION_CONFIGURATION_TYPE

IOMMU_DEVICE_CREATION_CONFIGURATION

IOMMU_DEVICE_CREATE