DEVPKEY_Numa_Proximity_Domain

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

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 IoSetDevicePropertyData or IoGetDevicePropertyData in a device driver.

You can also call 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

Available starting with Windows Vista.

Header

Devpkey.h (include Devpkey.h)