/* Return value: Number of bytes the driver will need to DMA map at the same time in order to perform well.  */
static unsigned long ibmvfc_get_desired_dma(struct vio_dev *vdev)
/* Return value: Number of bytes the driver will need to DMA map at the same time in order to perform well.  */
static unsigned long ibmvfc_get_desired_dma(struct vio_dev *vdev)
{
	unsigned long pool_dma = max_requests * sizeof(union ibmvfc_iu);
	return pool_dma + ((512 * 1024) * driver_template.cmd_per_lun);
}