From: Tiwei Bie <tiwei.bie@intel.com>
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
Subject: [PATCH net-next v1 5/5] virtio_ring: enable packed ring
Date: Mon, 9 Jul 2018 15:22:41 +0800 [thread overview]
Message-ID: <20180709072241.8886-6-tiwei.bie@intel.com> (raw)
In-Reply-To: <20180709072241.8886-1-tiwei.bie@intel.com>
Signed-off-by: Tiwei Bie <tiwei.bie@intel.com>
---
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
next prev parent reply other threads:[~2018-07-09 7:23 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-09 7:22 [PATCH net-next v1 0/5] virtio: support packed ring Tiwei Bie
2018-07-09 7:22 ` [PATCH net-next v1 1/5] virtio: add packed ring definitions Tiwei Bie
2018-07-09 7:22 ` [PATCH net-next v1 2/5] virtio_ring: support creating packed ring Tiwei Bie
2018-07-09 7:22 ` [PATCH net-next v1 3/5] virtio_ring: add packed ring support Tiwei Bie
2018-07-09 7:22 ` [PATCH net-next v1 4/5] virtio_ring: add event idx support in packed ring Tiwei Bie
2018-07-10 5:50 ` Jason Wang
2018-07-11 1:09 ` [virtio-dev] " Tiwei Bie
2018-07-09 7:22 ` Tiwei Bie [this message]
2018-07-10 5:51 ` [PATCH net-next v1 5/5] virtio_ring: enable " Jason Wang
2018-07-11 1:07 ` Tiwei Bie
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