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Description of problem: (This was a request that came out of a discussion with a user at an Openstack meeting) https://libvirt.org/formatdomain.html#elementsHostDevSubsys states that 'PCI devices can only be described by their address' this request is to allow PCI assignment based on ID in the same way (and same syntax?) as used by USB devices. In the case of this user they have a pool of machines with devices in, but they're not all in the same host slot/bridge configuration, so they just want to be able to specify in the XML that the machine must start with a given PCI device ID and let something figure out which one to use. (The user actually wanted to be able to migrate with this in place and was happy for the guest to see a failure of the device during the migrate; that's probably a whole separate story - but the basic request to assign a device with ID seems sensible to me) Version-Release number of selected component (if applicable): How reproducible: Steps to Reproduce: 1. 2. 3. Actual results: Expected results: Additional info:
Closing old RFE since we're unlikely to implement this, as we tend to leave such policy decisions to mgmt apps. Especially in the case of OpenStack they want strict control over exactly which device is picked, so it is unlikely they'd use such a feature.