On 2/16/2026 2:22 PM, Cédric Le Goater wrote:
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Peter, Avihai,
As for enabling the VFIO migration events by default, I guess we
all agree it could be done. We simply need a stakeholder to change
the default behavior.
Ack.
There could be value for the sysmgmt layers to receive a VFIO
migration event reporting progress. For example, an event could
be sent from vfio_save_iterate() including relevant size metrics
to indicate progress (or not).
Any opinions ?
Amm, I am not sure an event is the right way to report VFIO stats, as
it's not some change that mgmt needs to be notified about promptly.
Mgmt layer can query migration stats when needed using the QMP
'query-migrate' command that returns, among other info, a VfioStats
struct with the total amount of VFIO devices data transferred. If
needed, this can be extended with more info about remaining data size, etc.
Makes sense?
Thanks.
