[nova][ptg] PCI refactoring needs and a strawman proposal inside

Sean Mooney smooney at redhat.com
Tue Nov 12 13:29:32 UTC 2019

On Tue, 2019-11-12 at 11:51 +0100, Sylvain Bauza wrote:
> Based on some Forum discussions, we had a de facto conversation at the Nova
> PTG about any potential things we could do for helping our operators, but
> also potentially Cyborg since they use the PCI passthrough capabilities.
> The feedback from ops (thanks mnaser) was that PCI passthrough works pretty
> smoothly but there are some ugly issues where we could improve the UX.
> The agreement in the room was, at least for Ussuri, to start collecting
> some ideas on how we could model Placement usage for PCI devices and also
> write motivations for such things in a spec.
> We also agreed on a smooth upgrade plan where PCITracker would still be
> present for a couple of releases until we're able to close the feature gap.
> Bauzas volunteered for drafting the spec and gibi, stephenfin and bauzas
> started to sketch up the Placement modeling on a whiteboard, picture to be
> shared in a follow-up.

i have a list of things i want to enhance related to pci/sriov so i would be interested
in this topic too. it might be worth consiering a SIG on this topic if it will be
cross project.

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