DEVPKEY_Numa_Proximity_Domain

The DEVPKEY_Numa_Proximity_Domain device property represents the proximity domain of a Non-Uniform Memory Architecture (NUMA).

Attribute Value
Property key DEVPKEY_Numa_Proximity_Domain
Property-data-type identifier DEVPROP_TYPE_INT32
Property access Read-only access by installation applications and installers; read and write access by a device driver
Localized? No

Remarks

The value DEVPKEY_Numa_Proximity_Domain is a numeric value that represents a domain ID.

Typically, the operating system sets the value of DEVPKEY_Numa_Proximity_Domain by retrieving the corresponding information from system firmware.

You can retrieve the value of DEVPKEY_Numa_Proximity_Domain by calling IoGetDevicePropertyData in a device driver.

You can also call CM_Get_DevNode_Property or SetupDiGetDeviceProperty to retrieve the value of DEVPKEY_Numa_Proximity_Domain.

The value of this property is owned by Windows and should be treated as read-only by drivers and applications.

Windows Server 2003, Windows XP, and Windows 2000 do not support this property.

Requirements

Version: Windows Vista and later versions of Windows

Header: Devpkey.h (include Devpkey.h)