diff options
| author | Jin Yu | 2020-09-10 15:48:51 +0200 |
|---|---|---|
| committer | Michael S. Tsirkin | 2020-10-30 11:48:53 +0100 |
| commit | adb29c027341ba095a3ef4beef6aaef86d3a520e (patch) | |
| tree | 23db478817f72c3151128f02c20d7e10aa410eee /hw/virtio | |
| parent | pci: Disallow improper BAR registration for type 1 (diff) | |
| download | qemu-adb29c027341ba095a3ef4beef6aaef86d3a520e.tar.gz qemu-adb29c027341ba095a3ef4beef6aaef86d3a520e.tar.xz qemu-adb29c027341ba095a3ef4beef6aaef86d3a520e.zip | |
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>
Message-Id: <20200910134851.7817-1-jin.yu@intel.com>
Acked-by: Raphael Norwitz <raphael.norwitz@nutanix.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/virtio')
| -rw-r--r-- | hw/virtio/vhost.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c index 79b2be20df..f2482378c6 100644 --- a/hw/virtio/vhost.c +++ b/hw/virtio/vhost.c @@ -1645,6 +1645,24 @@ int vhost_dev_load_inflight(struct vhost_inflight *inflight, QEMUFile *f) return 0; } +int vhost_dev_prepare_inflight(struct vhost_dev *hdev) +{ + int r; + + if (hdev->vhost_ops->vhost_get_inflight_fd == NULL || + hdev->vhost_ops->vhost_set_inflight_fd == NULL) { + return 0; + } + + 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) { |