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

[Michal Privoznik]

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