C++ (Cpp) ScsiPortWritePortUshort Examples

Example #1

File: virtio_stor.c Project: asadpanda/kvm-guest-drivers-windows

static struct virtqueue *FindVirtualQueue(PADAPTER_EXTENSION adaptExt, ULONG index, ULONG vector)
{
	struct virtqueue *vq = NULL;
	if (adaptExt->uncachedExtensionVa)
	{
		ULONG len;
		PHYSICAL_ADDRESS pa = ScsiPortGetPhysicalAddress(adaptExt, NULL, adaptExt->uncachedExtensionVa, &len);
		if (pa.QuadPart)
			vq = VirtIODevicePrepareQueue(&adaptExt->vdev, index, pa, adaptExt->uncachedExtensionVa, len, NULL);
	}

	if (vq && vector)
	{
		unsigned res;
		ScsiPortWritePortUshort((PUSHORT)(adaptExt->vdev.addr + VIRTIO_MSI_QUEUE_VECTOR),(USHORT)vector);
		res = ScsiPortReadPortUshort((PUSHORT)(adaptExt->vdev.addr + VIRTIO_MSI_QUEUE_VECTOR));
		RhelDbgPrint(TRACE_LEVEL_FATAL, ("%s>> VIRTIO_MSI_QUEUE_VECTOR vector = %d, res = 0x%x\n", __FUNCTION__, vector, res));
		if(res == VIRTIO_MSI_NO_VECTOR) {
			VirtIODeviceDeleteQueue(vq, NULL);
			vq = NULL;
			RhelDbgPrint(TRACE_LEVEL_FATAL, ("%s>> Cannot create vq vector\n", __FUNCTION__));
			return NULL;
		}
	}

	return vq;
}

Example #2

File: virtio_pci.c Project: 4khigh/kvm-guest-drivers-windows

static void WriteVirtIODeviceWord(ULONG_PTR ulRegister, u16 wValue)
{
    if (ulRegister & ~PORT_MASK) {
        ScsiPortWriteRegisterUshort((PUSHORT)(ulRegister), (USHORT)(wValue));
    } else {
        ScsiPortWritePortUshort((PUSHORT)(ulRegister), (USHORT)(wValue));
    }
}

Example #3

File: virtio_stor_hw_helper.c Project: HitMann1/kvm-guest-drivers-windows

VOID
RhelShutDown(
    IN PVOID DeviceExtension
    )
{
    PADAPTER_EXTENSION adaptExt = (PADAPTER_EXTENSION)DeviceExtension;

    VirtIODeviceReset(&adaptExt->vdev);
    ScsiPortWritePortUshort((PUSHORT)(adaptExt->vdev.addr + VIRTIO_PCI_GUEST_FEATURES), 0);
    if (adaptExt->vq) {
       adaptExt->vq->vq_ops->shutdown(adaptExt->vq);
       VirtIODeviceDeleteQueue(adaptExt->vq, NULL);
       adaptExt->vq = NULL;
    }
}