On Wed, Jan 07, 2015 at 05:29:49PM +0100, Cornelia Huck wrote: > On Sun, 28 Dec 2014 12:24:46 +0200 > "Michael S. Tsirkin" <m...@redhat.com> wrote: > > > On Thu, Dec 11, 2014 at 02:25:21PM +0100, Cornelia Huck wrote: > > > Wire up virtio-blk to provide different feature bit sets depending > > > on whether legacy or v1.0 has been requested. > > > > > > Note that VERSION_1 is still disabled due to missing ANY_LAYOUT support. > > > > > > Signed-off-by: Cornelia Huck <cornelia.h...@de.ibm.com> > > > > So we need some way for devices to tell transports > > not to negotiate rev 1. > > Does clearing VERSION_1 have this effect? > > > I just noticed that my patch is running in circles here. > > What we need is probably the transport-dependent maximum revision > checker (which at least for ccw is acting on a device) pass in the > requested revision and check if the feature bits for the revision > include VERSION_1. Does that make sense?
Just make devices set 'rev 1 supported' flag?
