On 07/02/2014 06:28 PM, Nicholas A. Bellinger wrote: >> QEMU is not the only hypervisor that libvirt targets, so tieing libvirt >> names to QEMU names is a non-goal. We pick the names that make most sense >> in the context of libvirt. >> > > Not sure I follow.. virtio-scsi is specific to QEMU/KVM, and per the > comment in the original patch: > > 'Currently it only supports attribute <code>queues</code> (<span class="since">1.0.5</span>, QEMU and KVM only)' > > would seem to indicate the parameter names are only used in the context > of QEMU/KVM, no..? Just because qemu is the only hypervisor driver that _currently_ uses the feature doesn't preclude the libxl hypervisor from _also_ gaining support for the feature in a future libvirt release, at which point the documentation would mention the new version number for the additional use of the feature. Again, the name qemu chose is not necessarily the best name compared to what it might map to in libxl or any other hypervisor, so libvirt tries to pick names that are consistent with other libvirt terms, even if they don't match underlying qemu names. > > If the virtio-scsi parameters are intended to be used across > hypervisors, then matching them to QEMU's own names doesn't really > matter. But if they are specific to virtio-scsi and only used by > QEMU/KVM instances, then renaming them to something arbitrary to libvirt > is pointless and confusing. virtio is not necessarily a qemu-only concept. -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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