diff mbox series

[RFC,v2,01/13] virtio: Add virtio_queue_is_host_notifier_enabled

Message ID 20210315194842.277740-2-eperezma@redhat.com
State New
Headers show
Series vDPA software assisted live migration | expand

Commit Message

Eugenio Perez Martin March 15, 2021, 7:48 p.m. UTC 
This allows shadow virtqueue code to assert the queue status before
making changes.

Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
---
 include/hw/virtio/virtio.h | 1 +
 hw/virtio/virtio.c         | 5 +++++
 2 files changed, 6 insertions(+)
diff mbox series

Patch

diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
index b7ece7a6a8..c2c7cee993 100644
--- a/include/hw/virtio/virtio.h
+++ b/include/hw/virtio/virtio.h
@@ -316,6 +316,7 @@  void virtio_device_release_ioeventfd(VirtIODevice *vdev);
 bool virtio_device_ioeventfd_enabled(VirtIODevice *vdev);
 EventNotifier *virtio_queue_get_host_notifier(VirtQueue *vq);
 void virtio_queue_set_host_notifier_enabled(VirtQueue *vq, bool enabled);
+bool virtio_queue_is_host_notifier_enabled(const VirtQueue *vq);
 void virtio_queue_host_notifier_read(EventNotifier *n);
 void virtio_queue_aio_set_host_notifier_handler(VirtQueue *vq, AioContext *ctx,
                                                 VirtIOHandleAIOOutput handle_output);
diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index 07f4e60b30..a86b3f9c26 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -3594,6 +3594,11 @@  EventNotifier *virtio_queue_get_host_notifier(VirtQueue *vq)
     return &vq->host_notifier;
 }
 
+bool virtio_queue_is_host_notifier_enabled(const VirtQueue *vq)
+{
+    return vq->host_notifier_enabled;
+}
+
 void virtio_queue_set_host_notifier_enabled(VirtQueue *vq, bool enabled)
 {
     vq->host_notifier_enabled = enabled;