diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/virtio/virtio-bus.c | 4 | ||||
| -rw-r--r-- | hw/virtio/virtio.c | 9 |
2 files changed, 12 insertions, 1 deletions
diff --git a/hw/virtio/virtio-bus.c b/hw/virtio/virtio-bus.c index b2c8042..d6332d4 100644 --- a/hw/virtio/virtio-bus.c +++ b/hw/virtio/virtio-bus.c @@ -288,6 +288,10 @@ int virtio_bus_set_host_notifier(VirtioBusState *bus, int n, bool assign) k->ioeventfd_assign(proxy, notifier, n, false); } + if (r == 0) { + virtio_queue_set_host_notifier_enabled(vq, assign); + } + return r; } diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c index 762df12..04716b5 100644 --- a/hw/virtio/virtio.c +++ b/hw/virtio/virtio.c @@ -128,6 +128,7 @@ struct VirtQueue VirtIODevice *vdev; EventNotifier guest_notifier; EventNotifier host_notifier; + bool host_notifier_enabled; QLIST_ENTRY(VirtQueue) node; }; @@ -2271,7 +2272,7 @@ void virtio_queue_notify(VirtIODevice *vdev, int n) } trace_virtio_queue_notify(vdev, vq - vdev->vq, vq); - if (vq->handle_aio_output) { + if (vq->host_notifier_enabled) { event_notifier_set(&vq->host_notifier); } else if (vq->handle_output) { vq->handle_output(vdev, vq); @@ -3145,6 +3146,7 @@ void virtio_init(VirtIODevice *vdev, const char *name, vdev->vq[i].vector = VIRTIO_NO_VECTOR; vdev->vq[i].vdev = vdev; vdev->vq[i].queue_index = i; + vdev->vq[i].host_notifier_enabled = false; } vdev->name = name; @@ -3436,6 +3438,11 @@ EventNotifier *virtio_queue_get_host_notifier(VirtQueue *vq) return &vq->host_notifier; } +void virtio_queue_set_host_notifier_enabled(VirtQueue *vq, bool enabled) +{ + vq->host_notifier_enabled = enabled; +} + int virtio_queue_set_host_notifier_mr(VirtIODevice *vdev, int n, MemoryRegion *mr, bool assign) { |