DXGK_CONNECTION_USB4_INFO structure (d3dkmddi.h)
A driver that supports USB4 returns information in a DXGK_CONNECTION_USB4_INFO structure when a new monitor connected over USB4 arrives.
Syntax
typedef struct _DXGK_CONNECTION_USB4_INFO {
UINT Dpcd_DP_IN_Adapter_Number;
UINT Dpcd_USB4_Driver_ID;
BYTE Dpcd_USB4_ROUTER_TOPOLOGY_ID[5];
} DXGK_CONNECTION_USB4_INFO, *PDXGK_CONNECTION_USB4_INFO;
Members
Dpcd_DP_IN_Adapter_Number
Uniquely identifies the DisplayPort-IN adapter on the USB4 device.
Dpcd_USB4_Driver_ID
Uniquely identifies the host router in the system.
Dpcd_USB4_ROUTER_TOPOLOGY_ID[5]
Uniquely identifies the USB4 device in the host router domain.
Remarks
See Supporting DisplayPort monitors over USB4 in KMD for more information.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 11 (WDDM 3.0) |
| Header | d3dkmddi.h |