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Tsirkin" , Juan Quintela , Richard Henderson , Markus Armbruster , Gautam Dawar , virtualization@lists.linux-foundation.org, Eduardo Habkost , Harpreet Singh Anand , Xiao W Wang , Peter Xu , Stefan Hajnoczi , Eli Cohen , Paolo Bonzini , Zhu Lingshan , Eric Blake , Stefano Garzarella Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" 在 2022/1/22 上午4:27, Eugenio Pérez 写道: > This allows vhost-vdpa device to retrieve device -> svq call eventfd. > > Signed-off-by: Eugenio Pérez What did 'dd' mean in the title? Thanks > --- > hw/virtio/vhost-shadow-virtqueue.h | 2 ++ > hw/virtio/vhost-shadow-virtqueue.c | 12 ++++++++++++ > 2 files changed, 14 insertions(+) > > diff --git a/hw/virtio/vhost-shadow-virtqueue.h b/hw/virtio/vhost-shadow-virtqueue.h > index 4c583a9171..a78234b52b 100644 > --- a/hw/virtio/vhost-shadow-virtqueue.h > +++ b/hw/virtio/vhost-shadow-virtqueue.h > @@ -18,6 +18,8 @@ typedef struct VhostShadowVirtqueue VhostShadowVirtqueue; > void vhost_svq_set_svq_kick_fd(VhostShadowVirtqueue *svq, int svq_kick_fd); > const EventNotifier *vhost_svq_get_dev_kick_notifier( > const VhostShadowVirtqueue *svq); > +const EventNotifier *vhost_svq_get_svq_call_notifier( > + const VhostShadowVirtqueue *svq); > > void vhost_svq_stop(VhostShadowVirtqueue *svq); > > diff --git a/hw/virtio/vhost-shadow-virtqueue.c b/hw/virtio/vhost-shadow-virtqueue.c > index 8991f0b3c3..25fcdf16ec 100644 > --- a/hw/virtio/vhost-shadow-virtqueue.c > +++ b/hw/virtio/vhost-shadow-virtqueue.c > @@ -55,6 +55,18 @@ static void vhost_handle_guest_kick(EventNotifier *n) > event_notifier_set(&svq->hdev_kick); > } > > +/** > + * Obtain the SVQ call notifier, where vhost device notifies SVQ that there > + * exists pending used buffers. > + * > + * @svq Shadow Virtqueue > + */ > +const EventNotifier *vhost_svq_get_svq_call_notifier( > + const VhostShadowVirtqueue *svq) > +{ > + return &svq->hdev_call; > +} > + > /** > * Set a new file descriptor for the guest to kick SVQ and notify for avail > *