[libvirt-users] VM creation using libvirtd for the qemu-KVM hypervisor

Hi, I have some basic doubt at the VM creation using libvirtd for the qemu-KVM hypervisor . I need to create a VM which can read the data uart/file and store/send to other VM .. How to create this kind of VM and how to write the data in/out of the VM .. I need suggestion to do this . regards Bala