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The KVM version string can be one of the following: - qemu-kvm-x.y.z in stable releases - kvm-XX for kvm versions up to kvm-85 - qemu-kvm-devel-XX for kvm version kvm-86 and later There are only a few of places where we need to detect differences between KVM versions based on 0.9.1: 1) VNET_HDR introduced in kvm-74 2) -incoming tcp introduced in kvm-79 3) -incoming exec introduced in kvm-80 4) -incoming stdio in all earlier kvm versions With qemu-kvm-0.10.x, we can now assume that (1) is available if it's a KVM release, (2) and (3) is always available and (4) is never available. So, from now on we should only need to check the qemu version number and the "is_kvm" flag for detecting feature availability. We only need the KVM version number for older releases. Signed-off-by: Mark McLoughlin <markmc@redhat.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>