!usbkd.usbhubinfo
La commande !usbkd.hubinfo affiche des informations sur un hub USB.
!usbkd.hubinfo FDO
Paramètres
FDO
Adresse de l’objet de périphérique fonctionnel (FDO) pour un hub USB.
DLL
Usbkd.dll
Exemples
Voici un moyen de trouver l’adresse du FDO d’un hub USB. Commencez par saisir !usbkd.usb2tree.
0: kd> !usbkd.usb2tree
...
2)!ehci_info ffffe00001ca11a0 !devobj ffffe00001ca1050 PCI: VendorId 8086 DeviceId 293c RevisionId 0002
RootHub !hub2_info ffffe000023201a0 !devstack ffffe00002320050
Dans la sortie précédente, l’adresse du FDO pour le hub s’affiche comme argument de la commande suggérée !devstack ffffe00002320050.
Ensuite, transmettez l’adresse de l’application FDO à la commande !usbhubinfo.
0: kd> !usbkd.usbhubinfo ffffe00002320050
!DevObj ffffe00002320050 !usbhubext ffffe000023201a0
On Host Controller (0x8086, 0x293c)
Stat_AsyncResumeStartAt: 2437ee39d29bd528
Stat_AsyncResumeCompleteAt: 24413c77d29bd528
Stat_AsyncResume: 0x3c(60) ms
Stat_SyncResumeStartAt: 2437ee39d29bd528
Stat_SyncResumeCompleteAt: 2437ee39d29bd528
Stat_SyncResume: 0x0(0) ms
Trap Regs: Event, Port, Event (ffffe000023204d0)
Enable: 0 Port: 0 Event 00000000
Hub Number: # 3
Number Of Ports: 4
dt usbhub!_USBHUB_FDO_FLAGS ffffe00002320ba0
>Is Root
>Power Switching:
No Power Switching
>Overcurrent:
Global Overcurrent
>PortIndicators:
No PortIndicators present
>AllowWakeOnConnect:
DO NOT WakeOnConnect
>CURRENT Hub Wake on Connectstate:
HWC_DISARM:- do not wake system on connect/disconnect event
>CURRENT Bus Wake state:
BUS_DISARM:- bus not armed for wake by this hub
>CURRENT Wake Detect state (WW Irp):
HUB_DISARM:- no ww irp pending (HUB_WAKESTATE_DISARMED)
Milliamps/Port : 500ma
Power caps (0 = not reported)
PortPower_Registry : 0
PortPower_DeviceStatus : 500
PortPower_CfgDescriptor : 500
PortPower_HubStatus : 500