NTSTATUS
ResetDevice(
_In_ WDFDEVICE Device
)
/*++
Routine Description:
This routine calls WdfUsbTargetDeviceResetPortSynchronously to reset the device if it's still
connected.
Arguments:
Device - Handle to a framework device
Return Value:
NT status value
--*/
{
PDEVICE_CONTEXT pDeviceContext;
NTSTATUS status;
Rio500_DbgPrint(3, ("ResetDevice - begins\n"));
PAGED_CODE();
pDeviceContext = GetDeviceContext(Device);
//
// A reset-device
// request will be stuck in the USB until the pending transactions
// have been canceled. Similarly, if there are pending tranasfers on the BULK
// _In_/OUT pipe cancel them.
// To work around this issue, the driver should stop the continuous reader
// (by calling WdfIoTargetStop) before resetting the device, and restart the
// continuous reader (by calling WdfIoTargetStart) after the request completes.
//
StopAllPipes(pDeviceContext);
//
// It may not be necessary to check whether device is connected before
// resetting the port.
//
status = WdfUsbTargetDeviceIsConnectedSynchronous(pDeviceContext->WdfUsbTargetDevice);
if (NT_SUCCESS(status)) {
status = WdfUsbTargetDeviceResetPortSynchronously(pDeviceContext->WdfUsbTargetDevice);
}
StartAllPipes(pDeviceContext);
Rio500_DbgPrint(3, ("ResetDevice - ends\n"));
return status;
}
NTSTATUS
ResetDevice(
_In_ WDFDEVICE Device
)
/*++
Routine Description:
This routine calls WdfUsbTargetDeviceResetPortSynchronously to reset the device if it's still
connected.
Arguments:
Device - Handle to a framework device
Return Value:
NT status value
--*/
{
PDEVICE_CONTEXT pDeviceContext;
NTSTATUS status;
PAGED_CODE();
TraceEvents(TRACE_LEVEL_INFORMATION, DBG_IOCTL, "--> ResetDevice\n");
pDeviceContext = GetDeviceContext(Device);
//
// A NULL timeout indicates an infinite wake
//
status = WdfWaitLockAcquire(pDeviceContext->ResetDeviceWaitLock, NULL);
if (!NT_SUCCESS(status)) {
TraceEvents(TRACE_LEVEL_ERROR, DBG_IOCTL, "ResetDevice - could not acquire lock\n");
return status;
}
StopAllPipes(pDeviceContext);
status = WdfUsbTargetDeviceResetPortSynchronously(pDeviceContext->UsbDevice);
if (!NT_SUCCESS(status)) {
TraceEvents(TRACE_LEVEL_ERROR, DBG_IOCTL, "ResetDevice failed - 0x%x\n", status);
}
status = StartAllPipes(pDeviceContext);
if (!NT_SUCCESS(status)) {
TraceEvents(TRACE_LEVEL_ERROR, DBG_IOCTL, "Failed to start all pipes - 0x%x\n", status);
}
WdfWaitLockRelease(pDeviceContext->ResetDeviceWaitLock);
TraceEvents(TRACE_LEVEL_INFORMATION, DBG_IOCTL, "<-- ResetDevice\n");
return status;
}
NTSTATUS
ResetDevice(
__in WDFDEVICE Device
)
/*++
Routine Description:
This routine calls WdfUsbTargetDeviceResetPortSynchronously to reset the device if it's still
connected.
Arguments:
Device - Handle to a framework device
Return Value:
NT status value
--*/
{
PDEVICE_CONTEXT pDeviceContext;
NTSTATUS status;
PAGED_CODE();
TraceEvents(TRACE_LEVEL_INFORMATION, DBG_IOCTL, "--> ResetDevice\n");
pDeviceContext = GetDeviceContext(Device);
StopAllPipes(pDeviceContext);
status = WdfUsbTargetDeviceResetPortSynchronously(pDeviceContext->UsbDevice);
if (!NT_SUCCESS(status)) {
TraceEvents(TRACE_LEVEL_ERROR, DBG_IOCTL, "ResetDevice failed - 0x%x\n", status);
}
StartAllPipes(pDeviceContext);
TraceEvents(TRACE_LEVEL_INFORMATION, DBG_IOCTL, "<-- ResetDevice\n");
return status;
}
/*++
Routine Description:
This routine calls WdfUsbTargetDeviceResetPortSynchronously to reset the device if it's still
connected.
Arguments:
Device - Handle to a framework device
Return Value:
NT status value
--*/
NTSTATUS ResetDevice(IN WDFDEVICE Device)
{
PDEVICE_CONTEXT pDeviceContext;
NTSTATUS status;
PSDrv_DbgPrint(3, ("ResetDevice - begins\n"));
PAGED_CODE();
pDeviceContext = GetDeviceContext(Device);
// A reset-device
// request will be stuck in the USB until the pending transactions
// have been canceled. Similarly, if there are pending transfers on the BULK
// IN/OUT pipe cancel them.
// To work around this issue, the driver should stop the continuous reader
// (by calling WdfIoTargetStop) before resetting the device, and restart the
// continuous reader (by calling WdfIoTargetStart) after the request completes.
StopAllPipes(pDeviceContext);
// It may not be necessary to check whether device is connected before
// resetting the port.
status = WdfUsbTargetDeviceIsConnectedSynchronous(pDeviceContext->WdfUsbTargetDevice);
if(NT_SUCCESS(status))
{
status = WdfUsbTargetDeviceResetPortSynchronously(pDeviceContext->WdfUsbTargetDevice);
}
StartAllPipes(pDeviceContext);
PSDrv_DbgPrint(3, ("ResetDevice - ends\n"));
return status;
}
