Windows Driver Kit: Device Installation
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 |
Comments
The value DEVPKEY_Numa_Proximity_Domain is a numeric value that represents a domain ID.
Typically, the operating system sets the value of the DEVPKEY_Numa_Proximity_Domain by retrieving the corresponding information from system firmware.
You can set or retrieve the value of DEVPKEY_Numa_Proximity_Domain by calling IoSetDevicePropertyData or IoGetDevicePropertyData in a device driver.
You can call SetupDiGetDeviceProperty to retrieve the value of DEVPKEY_Numa_Proximity_Domain.
Windows Server 2003, Windows XP, and Windows 2000 do not support this property.
Requirements
Versions: Available in Windows Vista and later versions of Windows.
Headers: Declared in Devpkey.h. Include Devpkey.h.