From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: virtio-dev-return-4651-cohuck=redhat.com@lists.oasis-open.org Sender: List-Post: List-Help: List-Unsubscribe: List-Subscribe: Received: from lists.oasis-open.org (oasis-open.org [10.110.1.242]) by lists.oasis-open.org (Postfix) with ESMTP id 4DAFC985BDB for ; Mon, 9 Jul 2018 07:23:12 +0000 (UTC) From: Tiwei Bie Date: Mon, 9 Jul 2018 15:22:41 +0800 Message-Id: <20180709072241.8886-6-tiwei.bie@intel.com> In-Reply-To: <20180709072241.8886-1-tiwei.bie@intel.com> References: <20180709072241.8886-1-tiwei.bie@intel.com> Subject: [virtio-dev] [PATCH net-next v1 5/5] virtio_ring: enable packed ring To: mst@redhat.com, jasowang@redhat.com, virtualization@lists.linux-foundation.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, virtio-dev@lists.oasis-open.org Cc: wexu@redhat.com, jfreimann@redhat.com, tiwei.bie@intel.com List-ID: Signed-off-by: Tiwei Bie --- drivers/s390/virtio/virtio_ccw.c | 8 ++++++++ drivers/virtio/virtio_ring.c | 2 ++ 2 files changed, 10 insertions(+) diff --git a/drivers/s390/virtio/virtio_ccw.c b/drivers/s390/virtio/virtio_ccw.c index 8f5c1d7f751a..ff5b85736d8d 100644 --- a/drivers/s390/virtio/virtio_ccw.c +++ b/drivers/s390/virtio/virtio_ccw.c @@ -765,6 +765,11 @@ static u64 virtio_ccw_get_features(struct virtio_device *vdev) return rc; } +static void ccw_transport_features(struct virtio_device *vdev) +{ + __virtio_clear_bit(vdev, VIRTIO_F_RING_PACKED); +} + static int virtio_ccw_finalize_features(struct virtio_device *vdev) { struct virtio_ccw_device *vcdev = to_vc_device(vdev); @@ -791,6 +796,9 @@ static int virtio_ccw_finalize_features(struct virtio_device *vdev) /* Give virtio_ring a chance to accept features. */ vring_transport_features(vdev); + /* Give virtio_ccw a chance to accept features. */ + ccw_transport_features(vdev); + features->index = 0; features->features = cpu_to_le32((u32)vdev->features); /* Write the first half of the feature bits to the host. */ diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 4b3f9e1a3cab..64f20023f088 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -1968,6 +1968,8 @@ void vring_transport_features(struct virtio_device *vdev) break; case VIRTIO_F_IOMMU_PLATFORM: break; + case VIRTIO_F_RING_PACKED: + break; default: /* We don't understand this bit. */ __virtio_clear_bit(vdev, i); -- 2.18.0 --------------------------------------------------------------------- To unsubscribe, e-mail: virtio-dev-unsubscribe@lists.oasis-open.org For additional commands, e-mail: virtio-dev-help@lists.oasis-open.org