git.net

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[nova] type-PCI vs type-PF vs type-VF


Quick questions:

1. Is there some official documentation comparing them? Only thing I found
so far was
https://mohamede.com/2019/02/07/pci-passthrough-type-pf-type-vf-and-type-pci/

2. Am I correct to assume (I seem to do a lot of that; be afraid) that when
nova starts populating the database entry for a given physical node (say a
computer node or a ironic baremetal node) it looks through the pci list and
decides what type of device (type-PCI, type-PF, or type-VF) it is? What is
the criteria?

3.
https://mohamede.com/2019/02/07/pci-passthrough-type-pf-type-vf-and-type-pci/
implies that nova sees the 3 different types, well, differently where it
will try hard to virtualize type-PF and type-VF and really really wants me
to setup sr-iov on them (
https://docs.openstack.org/nova/latest/admin/pci-passthrough.html seem to
also want sr-iov) really . Is that correct?
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstack.org/pipermail/openstack-discuss/attachments/20190705/aa2e2bfb/attachment.html>