[libvirt] [PATCH v3 0/4] util: Fixing libvirt errors on cavium/thunder-nicvf

[Radoslaw Biernacki]

Thank you very much Dann for finishing that. And sorry for lack of response
for so long.
I somehow missed your last email and feeling bad that you had to ping me so
long for this.

Thank you Michal for accepting this.

On Wed, 23 Jan 2019 at 10:29, Michal Privoznik <mprivozn at redhat.com> wrote:

> On 1/22/19 8:26 PM, dann frazier wrote:
> > Following up on my offer to take the baton[*], here's a v3 of this series
> > that should address the provided feedback provided for Radoslaw's v2.
> >
> > 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
> >
> > v3:
> > - Reinstated error path in virNetDevGetPhysicalFunction()
> > - Add missing free of *pfname in error path
> > - Use proper < 0 comparisons when checking for errors
> >
> > 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
> >
> > [*]
> https://www.redhat.com/archives/libvir-list/2019-January/msg00201.html
> >
> > Radoslaw Biernacki (4):
> >   util: fixing wrong assumption that PF has to have netdev assigned
> >   util: Code simplification
> >   util: Fix for NULL dereference
> >   util: Fixing invalid error checking from virPCIGetNetname()
> >
> >  src/qemu/qemu_domain_address.c | 13 ++++----
> >  src/util/virhostdev.c          |  2 +-
> >  src/util/virnetdev.c           | 55 ++++++++++++----------------------
> >  3 files changed, 25 insertions(+), 45 deletions(-)
> >
>
> I've fixed all the small issues I've raised, ACKed the whole thing and
> pushed.
>
> Congratulations Radoslaw on your first libvirt contribution and thank
> you Dann for picking this up.
>
> Michal
>
>
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