344   OUT EVENT_RING                 *EventRing  in CreateEventRing()  argument
350   ASSERT (EventRing != NULL);  in CreateEventRing()
360   EventRing->EventRingSeg0    = (EFI_PHYSICAL_ADDRESS)(UINTN) Buf;  in CreateEventRing()
361   EventRing->TrbNumber        = EVENT_RING_TRB_NUMBER;  in CreateEventRing()
362   EventRing->EventRingDequeue = (EFI_PHYSICAL_ADDRESS)(UINTN) EventRing->EventRingSeg0;  in CreateEventRing()
363   EventRing->EventRingEnqueue = (EFI_PHYSICAL_ADDRESS)(UINTN) EventRing->EventRingSeg0;  in CreateEventRing()
369   EventRing->EventRingCCS = 1;  in CreateEventRing()
380   EventRing->ERSTBase   = (EFI_PHYSICAL_ADDRESS)(UINTN) ERSTBase;  in CreateEventRing()
385   ERSTBase->PtrLo       = XHC_LOW_32BIT (EventRing->EventRingSeg0);  in CreateEventRing()
386   ERSTBase->PtrHi       = XHC_HIGH_32BIT (EventRing->EventRingSeg0);  in CreateEventRing()
395     XHC_LOW_32BIT((UINT64)(UINTN)EventRing->EventRingDequeue)  in CreateEventRing()
401     XHC_HIGH_32BIT((UINT64)(UINTN)EventRing->EventRingDequeue)  in CreateEventRing()
690   ZeroMem (&Handle->EventRing, sizeof (EVENT_RING));  in InitializeUsbDebugHardware()
691   Status = CreateEventRing (Handle, &Handle->EventRing);  in InitializeUsbDebugHardware()