C++ (Cpp) VirtIOWdfGetISRStatus Examples

Example #1

File: Device.c Project: YanVugenfirer/kvm-guest-drivers-windows

BOOLEAN
BalloonInterruptIsr(
    IN WDFINTERRUPT WdfInterrupt,
    IN ULONG        MessageID
    )
{
    PDEVICE_CONTEXT     devCtx = NULL;
    WDFDEVICE           Device;

    UNREFERENCED_PARAMETER( MessageID );

    TraceEvents(TRACE_LEVEL_INFORMATION, DBG_INTERRUPT, "--> %s\n", __FUNCTION__);
    Device = WdfInterruptGetDevice(WdfInterrupt);
    devCtx = GetDeviceContext(Device);

    if (VirtIOWdfGetISRStatus(&devCtx->VDevice) > 0)
    {
        WdfInterruptQueueDpcForIsr( WdfInterrupt );
        return TRUE;
    }
    return FALSE;
}

Example #2

File: viocrypt.c Project: daynix/kvm-guest-drivers-windows

BOOLEAN VioCryptInterruptIsr(IN WDFINTERRUPT Interrupt, IN ULONG MessageId)
{
    PDEVICE_CONTEXT context = GetDeviceContext(
        WdfInterruptGetDevice(Interrupt));
    WDF_INTERRUPT_INFO info;
    BOOLEAN processed;

    WDF_INTERRUPT_INFO_INIT(&info);
    WdfInterruptGetInfo(context->WdfInterrupt, &info);

    processed = ((info.MessageSignaled && (MessageId == 0)) ||
        VirtIOWdfGetISRStatus(&context->VDevice));
    
    if (processed)
    {
        WdfInterruptQueueDpcForIsr(Interrupt);
    }

    Trace(TRACE_LEVEL_VERBOSE, "[%s] %sprocessed", __FUNCTION__, processed ? "" : "not ");

    return processed;
}