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5e6ce1c936
assumptions from generic code. This implements the minimal set of changes needed in libvirt to launch a PowerPC-KVM based guest. It removes x86-specific assumptions about choice of serial driver backend from generic qemu guest commandline generation code. It also restricts the ACPI capability to be available for an x86 or x86_64 domain. This is not a complete solution -- it still does not guarantee libvirt the capability to flag non-supported options in guest XML. (Eg, an ACPI specification in a PowerPC guest XML will still get processed, even though qemu-system-ppc64 does not support it while qemu-system-x86_64 does.) This drawback exists because libvirt falls back on qemu to query supported features, and qemu '-h' blindly lists all capabilities -- irrespective of whether they are available while emulating a given architecture or not. The long-term solution would be for qemu to list out capabilities based on architecture and platform -- so that libvirt can cleanly make out what devices are supported on an arch (say 'ppc64') and platform (say, 'mac99'). Signed-off-by: Prerna Saxena <prerna@linux.vnet.ibm.com>
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>