[PATCH] virtio-spec: add field for scsi command size

Paolo Bonzini
Mon, 01 Jul 2013 11:57:44 -0000

Il 01/07/2013 01:47, Rusty Russell ha scritto:
> > >
> > > Mainly because I'm not sure that *all* devices are now safe.
Are they?
> >
> > virtio-scsi's implementation in QEMU is not safe (been delaying
that for
> > too long, sorry), but the spec is safe.
>
> Then if we added a transport feature, we couldn't use it :(

Transport feature bits are still negotiated per device though.
virtio-scsi devices in QEMU would not negotiate that feature.

Paolo

> So I think it needs to be a per-device feature bit.