diff mbox series

[RFC,v2,3/7] vhost: Save masked_notifier state

Message ID 20210209153757.1653598-4-eperezma@redhat.com
State New
Headers show
Series vDPA shadow virtqueue - notifications forwarding | expand

Commit Message

Eugenio Perez Martin Feb. 9, 2021, 3:37 p.m. UTC 
It will be used to recover call eventfd.

Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
---
 include/hw/virtio/vhost.h | 1 +
 hw/virtio/vhost.c         | 2 ++
 2 files changed, 3 insertions(+)

Comments

Stefan Hajnoczi Feb. 17, 2021, 12:44 p.m. UTC | #1 
On Tue, Feb 09, 2021 at 04:37:53PM +0100, Eugenio Pérez wrote:
> It will be used to recover call eventfd.
> 
> Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
> ---
>  include/hw/virtio/vhost.h | 1 +
>  hw/virtio/vhost.c         | 2 ++
>  2 files changed, 3 insertions(+)

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
diff mbox series

Patch

diff --git a/include/hw/virtio/vhost.h b/include/hw/virtio/vhost.h
index 4a8bc75415..ac963bf23d 100644
--- a/include/hw/virtio/vhost.h
+++ b/include/hw/virtio/vhost.h
@@ -28,6 +28,7 @@  struct vhost_virtqueue {
     unsigned avail_size;
     unsigned long long used_phys;
     unsigned used_size;
+    bool notifier_is_masked;
     EventNotifier masked_notifier;
     struct vhost_dev *dev;
 };
diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c
index 1c5b442081..5d0c817b8f 100644
--- a/hw/virtio/vhost.c
+++ b/hw/virtio/vhost.c
@@ -1518,6 +1518,8 @@  void vhost_virtqueue_mask(struct vhost_dev *hdev, VirtIODevice *vdev, int n,
     /* should only be called after backend is connected */
     assert(hdev->vhost_ops);
 
+    hdev->vqs[index].notifier_is_masked = mask;
+
     if (mask) {
         assert(vdev->use_guest_notifier_mask);
         file.fd = event_notifier_get_fd(&hdev->vqs[index].masked_notifier);