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authorJin Yu <jin.yu@intel.com>2020-11-03 20:36:17 +0800
committerMichael S. Tsirkin <mst@redhat.com>2020-11-03 16:39:05 -0500
commit1b0063b3048af65dfaae6422a572c87db8575a92 (patch)
tree60e22f00578b6e978be8fe155c08712de591140c /hw/virtio/vhost.c
parentb7c1bd9d78480481455678602c9a8505cc8adadd (diff)
vhost-blk: set features before setting inflight feature
Virtqueue has split and packed, so before setting inflight, you need to inform the back-end virtqueue format. Signed-off-by: Jin Yu <jin.yu@intel.com> Acked-by: Raphael Norwitz <raphael.norwitz@nutanix.com> Message-Id: <20201103123617.28256-1-jin.yu@intel.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/virtio/vhost.c')
-rw-r--r--hw/virtio/vhost.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c
index 79b2be20df..614ccc2bcb 100644
--- a/hw/virtio/vhost.c
+++ b/hw/virtio/vhost.c
@@ -1645,6 +1645,26 @@ int vhost_dev_load_inflight(struct vhost_inflight *inflight, QEMUFile *f)
return 0;
}
+int vhost_dev_prepare_inflight(struct vhost_dev *hdev, VirtIODevice *vdev)
+{
+ int r;
+
+ if (hdev->vhost_ops->vhost_get_inflight_fd == NULL ||
+ hdev->vhost_ops->vhost_set_inflight_fd == NULL) {
+ return 0;
+ }
+
+ hdev->vdev = vdev;
+
+ r = vhost_dev_set_features(hdev, hdev->log_enabled);
+ if (r < 0) {
+ VHOST_OPS_DEBUG("vhost_dev_prepare_inflight failed");
+ return r;
+ }
+
+ return 0;
+}
+
int vhost_dev_set_inflight(struct vhost_dev *dev,
struct vhost_inflight *inflight)
{