*-over-virtio

From
Stefan Hajnoczi
Date
2013-08-06T07:52:00+00:00
ID
Thread
*-over-virtio
On Mon, Aug 05, 2013 at 12:22:06PM -0400, Sasha Levin wrote:
> We seem to have a family of several devices that are rather simple on the virtio level. Some
> identifying features include: >  >  * No real usage of the configuration space >  * No device features >  * No control vqs >  * Usually one, but possibly 2 vqs used for straightforward message passing outside the virtio
> scope. >
> The use case is simple: use virtio as a simple transport for protocol specific messages, this
> can pretty much go over any other transport exactly the same way. >
> Would it make sense to move their actual definition out of the spec and just reserve device
> IDs for them there?  Why don't they use virtio-serial or the new vsock from the start?  Both transports are built to support arbitrary protocols for tasks that don't need virtio device-level features.  Seems like the right fit instead of reserving unique virtio device IDs.  Stefan