Re: [Qemu-devel] [PATCH v5] virtio dataplane: adapt dataplane for virtio Version 1

[Greg Kurz <gkurz@linux.vnet.ibm.com>]

On Wed, 9 Sep 2015 10:29:51 +0100
Stefan Hajnoczi <stefanha@gmail.com> wrote:

> On Mon, Sep 07, 2015 at 01:33:56PM +0200, Pierre Morel wrote:
> > Let dataplane allocate different region for the desc/avail/used
> > ring regions.
> > Take VIRTIO_RING_F_EVENT_IDX into account to increase the used/avail
> > rings accordingly.
> > 
> > Signed-off-by: Pierre Morel <pmorel@linux.vnet.ibm.com>
> > (changed __virtio16 into uint16_t,
> >  map descriptor table and available ring read-only)
> > Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
> > ---
> > 
> > Changes from V4:
> > - added comments for VIRTIO_RING_F_EVENT_IDX and mapping
> > - use uint16_t as in ring definitions instead of __virtio16
> > - map descriptor table and available ring read-only
> > 
> > Changes from V3:
> > - added changelog
> > 
> > Changes from V2:
> > - incorporate the code directly in vring_setup().
> > - added room for the event indexes used with VIRTIO_RING_F_EVENT_IDX
> > 
> > Changes from v1:
> > - use a macro to gain LOCs inside of vring_setup()
> > 
> >  hw/virtio/dataplane/vring.c         | 66 +++++++++++++++++++++++++++++--------
> >  include/hw/virtio/dataplane/vring.h |  4 ++-
> >  2 files changed, 55 insertions(+), 15 deletions(-)
> 
> Thanks, applied to my block tree:
> https://github.com/stefanha/qemu/commits/block
> 
> Stefan
> 

Cc: qemu-stable@nongnu.org

--
Greg