[Starlingx-discuss] [Bug] flavor "pci_passthrough:alias" should be required to passthrough physical NICs

[Peters, Matt]

+Steve +Gerry

Do you have any additional information to add here?  I don’t believe we had to setup an alias in the past to do PCI-PT, so is this something that is new to the latest OpenStack nova release?  Did we drop some functionality to align with upstream nova (that use to be in starlingx-staging)?

-Matt

From: "Xu, Chenjie" <chenjie.xu at intel.com>
Date: Thursday, August 1, 2019 at 3:36 AM
To: "Peters, Matt" <Matt.Peters at windriver.com>
Cc: Ghada Khalil <Ghada.Khalil at windriver.com>, "Zhao, Forrest" <forrest.zhao at intel.com>, "starlingx-discuss at lists.starlingx.io" <starlingx-discuss at lists.starlingx.io>
Subject: [Starlingx-discuss] [Bug] flavor "pci_passthrough:alias" should be required to passthrough physical NICs


Hi Matt,

Based on my testing, the flavor with property “pci_passthrough:alias” should be required for passing a physical NIC to the VM. But it should not be required for passing a VF to the VM. So I think the alias information should contain physical NICs which are configured with “pci-passthrough” by following command:
system host-if-modify -m 1500 -n pcipass -c pci-passthrough ${COMPUTE} ${IFUUID}
   system interface-datanetwork-assign ${COMPUTE} pcipass ${PHYSNET2}

Could you please let me know your opinions and leave a comment in the below bug:
https://bugs.launchpad.net/starlingx/+bug/1836682

Best Regards,
Xu, Chenjie
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