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Subject: Re: [virtio-comment] *-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
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