Re: [dpdk-dev] [PATCH v5 02/11] net/virtio: add virtio 1.1 defines

[Tiwei Bie <tiwei.bie@intel.com>]

On Mon, Sep 10, 2018 at 05:22:43AM +0000, Gavin Hu (Arm Technology China) wrote:
> The following 1.1 new defines should be added in this patch or the parent patch.
> VIRTIO_F_IO_BARRIER
> VIRTIO_F_SR_IOV

I don't think we should introduce these defines in this patch
or this series. This series should focus on packed ring. And
the title of this patch should be something about packed ring
instead of virtio 1.1.

Thanks

> 
> > -----Original Message-----
> > From: dev <dev-bounces@dpdk.org> On Behalf Of Jens Freimann
> > Sent: Friday, September 7, 2018 2:20 AM
> > To: dev@dpdk.org
> > Cc: tiwei.bie@intel.com; maxime.coquelin@redhat.com
> > Subject: [dpdk-dev] [PATCH v5 02/11] net/virtio: add virtio 1.1 defines
> >
> > Signed-off-by: Jens Freimann <jfreimann@redhat.com>
> > ---
> >  drivers/net/virtio/virtio_ring.h | 4 ++++
> >  1 file changed, 4 insertions(+)
> >
> > diff --git a/drivers/net/virtio/virtio_ring.h b/drivers/net/virtio/virtio_ring.h
> > index cea4d441e..e2c597434 100644
> > --- a/drivers/net/virtio/virtio_ring.h
> > +++ b/drivers/net/virtio/virtio_ring.h
> > @@ -15,7 +15,11 @@
> >  #define VRING_DESC_F_WRITE      2
> >  /* This means the buffer contains a list of buffer descriptors. */
> >  #define VRING_DESC_F_INDIRECT   4
> > +/* This flag means the descriptor was made available by the driver */
> >
> > +#define VRING_DESC_F_AVAIL(b)   ((uint16_t)(b) << 7)
> > +/* This flag means the descriptor was used by the device */
> > +#define VRING_DESC_F_USED(b)    ((uint16_t)(b) << 15)
> >  /* The Host uses this in used->flags to advise the Guest: don't kick me
> >   * when you add a buffer.  It's unreliable, so it's simply an
> >   * optimization.  Guest will still kick if it's out of buffers. */
> > --
> > 2.17.1
> 
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