!usb3kd.urb
L'extension !usb3kd.urb affiche des informations sur un bloc de requêtes USB (URB).
!usb3kd.urb UrbAddress
Paramètres
UrbAddress
Adresse de l'URB.
DLL
Usb3kd.dll
Exemples
L’exemple suivant montre l’adresse d’un URB (0xfffffa8005a2cbe8) dans la sortie de la commande !xhci_deviceslots.
3: kd> !xhci_deviceslots 0xfffffa800520d2d0
## Dumping dt _DEVICESLOT_DATA 0xfffffa8003612e80
----------------------------------------------
DeviceContextBase: VA 0xfffffa8005a64000 LA 0x116864000 !wdfcommonbuffer 0x57ffa7ca758 Size 4096
## [1] SlotID : dt USBXHCI!_USBDEVICE_DATA 0xfffffa80059027d0 dt _SLOT_CONTEXT32 0xfffffa8005a65000
------------------------------------------------------------------------------------------------
USB\VID_...
SlotEnabled IsDevice NumberOfTTs 0 TTThinkTime 0
...
PendingTransferList:
[0] dt _TRANSFER_DATA 0xfffffa80059727f0 !urb 0xfffffa8005a2cbe8 !wdfrequest 0x57ffa68d998 TransferState_Pending
...
L’exemple suivant transmet l’adresse de l’URB à la commande !usb3kd.urb.
3: kd> !urb 0xfffffa8005a2cbe8
## Dumping URB 0xfffffa8005a2cbe8
------------------------------
Function: URB_FUNCTION_BULK_OR_INTERRUPT_TRANSFER (0x9)
UsbdDeviceHandle:
!ucx_device 0xfffffa8005901840
!xhci_deviceslots 0xfffffa800520d2d0 1
Status: USBD_STATUS_PENDING (0x40000000)
UsbdFlags: (0x0)
dt _URB_BULK_OR_INTERRUPT_TRANSFER 0xfffffa8005a2cbe8
PipeHandle: 0xfffffa800596f720
TransferFlags: (0x1) USBD_TRANSFER_DIRECTION_IN
TransferBufferLength: 0x0
TransferBuffer: 0xfffffa8005a2cc88
TransferBufferMDL: 0xfffffa8005848930