On 5/8/19 11:22 PM, Alex Williamson wrote:
I thought there was a request to make this more specific to migration by renaming it to something like migration_version. Also, as an
so this attribute may not only include a mdev device's parent device info and mdev type, but also include numeric software version of vendor specific migration code, right? It's a vendor defined string, it should be considered opaque to the user, the vendor can include whatever they feel is relevant.
Would a vendor also be allowed to provide a string expressing required features as well as containing backend resource requirements which need to be compatible for a successful migration? Somehow a bit like a cpu model... maybe even as json or xml... I am asking this with vfio-ap in mind. In that context checking compatibility of two vfio-ap mdev devices is not as simple as checking if version A is smaller or equal to version B. -- Mit freundlichen Grüßen/Kind regards Boris Fiuczynski IBM Deutschland Research & Development GmbH Vorsitzender des Aufsichtsrats: Matthias Hartmann Geschäftsführung: Dirk Wittkopp Sitz der Gesellschaft: Böblingen Registergericht: Amtsgericht Stuttgart, HRB 243294