diff options
Diffstat (limited to 'hw/virtio/virtio.c')
| -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) { |