diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2016-02-14 18:17:06 +0100 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2016-02-25 13:14:18 +0200 |
| commit | a1afb6062e779804d21b206c854425663a194be2 (patch) | |
| tree | 2b13cced3ab9f6a0698ec222bc7bf126553720f9 /hw/virtio | |
| parent | 8b1fe1cedfde53c233c89938fca334ccaab26cff (diff) | |
virtio: add AioContext-specific function for host notifiers
This is used to register ioeventfd with a dataplane thread.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'hw/virtio')
| -rw-r--r-- | hw/virtio/virtio.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c index e365960bd7..f419e7cb57 100644 --- a/hw/virtio/virtio.c +++ b/hw/virtio/virtio.c @@ -1786,6 +1786,22 @@ static void virtio_queue_host_notifier_read(EventNotifier *n) } } +void virtio_queue_aio_set_host_notifier_handler(VirtQueue *vq, AioContext *ctx, + bool assign, bool set_handler) +{ + if (assign && set_handler) { + aio_set_event_notifier(ctx, &vq->host_notifier, true, + virtio_queue_host_notifier_read); + } else { + aio_set_event_notifier(ctx, &vq->host_notifier, true, NULL); + } + if (!assign) { + /* Test and clear notifier before after disabling event, + * in case poll callback didn't have time to run. */ + virtio_queue_host_notifier_read(&vq->host_notifier); + } +} + void virtio_queue_set_host_notifier_fd_handler(VirtQueue *vq, bool assign, bool set_handler) { |