！usb3kd.hub_info
！usb3kd.device_info 命令會顯示USB 3.0樹狀目錄中中樞的相關信息。
!usb3kd.hub_info DeviceExtension
參數
DeviceExtension
中樞功能裝置物件的裝置延伸模組位址（FDO）。
DLL
Usb3kd.dll
範例
若要取得裝置延伸模組的位址，請查看 ！usb_tree 命令的輸出。 在下列範例中，根中樞的裝置延伸模組位址0xfffffa8005ad92d0。
3: kd> !usb_tree
## Dumping HUB Tree - !drvObj 0xfffffa800597f770
--------------------------------------------
Topology
--------
1) !xhci_info 0xfffffa80051d1940 ... - PCI: VendorId 0x1033 ...
!hub_info 0xfffffa8005ad92d0 (ROOT)
!port_info 0xfffffa8005a5ca80 !device_info 0xfffffa8005b410c0 Desc: <none> Speed: High
...
現在您可以將裝置延伸模組的位址傳遞至 ！hub_info 命令。
3: kd> !hub_info fffffa8005ad92d0
## Dumping HUB Information fffffa8005ad92d0
----------------------------------------
dt USBHUB3!_HUB_FDO_CONTEXT 0xfffffa8005ad92d0
!rcdrlogdump usbhub3 -a 0xfffffa8005ad8010
Capabilities: Initialized, Configured, HasOverCurrentProtection, ...
Total number of ports: 4, HUB depth is 0
Number of 3.0 ports: 2 (Range 1 - 2)
Number of 2.0 ports: 2 (Range 3 - 4)
Descriptors:
dt _USB_HUB_DESCRIPTOR 0xfffffa8005ad9728
dt _USB_30_HUB_DESCRIPTOR 0xfffffa8005ad9728
dt _USB_DEVICE_DESCRIPTOR 0xfffffa8005ad92d0
dt _USB_CONFIGURATION_DESCRIPTOR 0xfffffa8005ad9770
List of PortContext: 4
[1] !port_info 0xfffffa8005a5ca80 !device_info 0xfffffa8005b410c0
Last Port Status(2.0): Connected Enabled Powered HighSpeedDeviceAttached
Last Port Change: <none>
Current Port(2.0) State: ConnectedEnabled.WaitingForPortChangeEvent
Current Device State: ConfiguredInD0
...
Current Hub State: ConfiguredWithIntTransfer
Hub State History: <Event> NewState (<Operation>(),..) :
[43] <OperationSuccess> ConfiguredWithIntTransfer
...
Hub Event History:
[ 0] PortEnableInterruptTransfer
...