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To ensure that the device addressing scheme is stable across hotplug/unplug, all virtio serial channels needs to have an associated port number in their address. This is then specified to QEMU using the nr=NNN parameter * src/conf/domain_conf.c, src/conf/domain_conf.h: Parsing for port number in vioserial address types. * src/qemu/qemu_conf.c: Set 'nr=NNN' parameter with virtio serial port number * tests/qemuxml2argvdata/qemuxml2argv-channel-virtio.args, tests/qemuxml2argvdata/qemuxml2argv-channel-virtio.xml: Expand data set to ensure coverage of port addressing
LibVirt : simple API for virtualization
Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.
Daniel Veillard <veillard@redhat.com>