[libvirt] [PATCH v2 0/4] util: Fixing libvirt errors on cavium/thunder-nicvf

dann frazier dann.frazier at canonical.com
Wed Dec 12 19:23:16 UTC 2018

On Sat, Nov 17, 2018 at 1:17 PM Radoslaw Biernacki
<radoslaw.biernacki at linaro.org> wrote:
> ThunderX is Cavium SoC. This platform contain SRIOV NIC.
> Unlike other commonly known network devices it does not have VF functionality
> duplicated in its PF. PF is purely management device (on HW level).
> This creates several problems with existing libvirt code as in many places
> libvirt assumes that each VF netdev has PF netdev assigned.
> This patch series trying to address issues which can be easily fixed.
> (mostly bug fixes found while working on full featured solution)
> First patch in series is most important as it allows to unblock the netdev
> detection and use <hostdev> on this platform.i <interface type="hostdev"
> still does not work as it requires bigger changes both on netdev driver
> and in libvirt itself.
> More details about those issues can be found at:
> https://bugs.linaro.org/show_bug.cgi?id=3778
> https://bugs.launchpad.net/charm-nova-compute/+bug/1771662
> v2:
> - error reporting taken out of virNetDevGetPhysicalFunction() and moved
>   to calling function virNetDevGetVirtualFunctionInfo()
> - curly braces removed from single line
> - net-> model check removed as STREQ_NULLABLE() follows

Thanks Radoslaw ! I know a v3 is in the works, but just an fyi that we
ran this series through our OpenStack testing on a cluster of ThunderX
nodes and found no issues.


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