Design session "virtio"

[Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>]

Some sparse notes from the design session:

Passing backend domid ideas:
 - via xenstore: good - can be done now; bad - requires xenstore even if
   only virtio devices are used
 - extend generic part of virtio spec: takes time, but otherwise
   preferred

New "config" virtio device - for configuring backends

Hotplug:
 - ACPI (for HVM at least)
 - xenstore


ACTION: Start the virtio spec change.

In the meantime, use xenstore(?)

qemu parameters are device-specific - adding backend id needs to be done for 
every device type - both at qemu side, and libxl side

Device endpoint ID are currently allocated by qemu - for driver domains that 
needs to be moved to the toolstack, to reserve space for devices running in 
other backends.


-- 
Best Regards,
Marek Marczykowski-Górecki
Invisible Things Lab

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