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| author | Paolo Bonzini <pbonzini@redhat.com> | 2016-10-21 22:48:08 +0200 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2016-10-30 19:51:32 +0200 |
| commit | 8e93cef14e6f32adf6914b30b096039e6264f0e3 (patch) | |
| tree | abf77c2c554b5efcda21167689f61c9e04f4a0b2 /hw/virtio/virtio.c | |
| parent | ff4c07df67f098234d9e49850435ccb49b8cbbdc (diff) | |
| download | qemu-8e93cef14e6f32adf6914b30b096039e6264f0e3.zip qemu-8e93cef14e6f32adf6914b30b096039e6264f0e3.tar.gz qemu-8e93cef14e6f32adf6914b30b096039e6264f0e3.tar.bz2 | |
virtio: introduce virtio_device_ioeventfd_enabled
This will be used to forbid iothread configuration when the
proxy does not allow using ioeventfd. To simplify the implementation,
change the direction of the ioeventfd_disabled callback too.
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
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>
Diffstat (limited to 'hw/virtio/virtio.c')
| -rw-r--r-- | hw/virtio/virtio.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c index e228518..138a644 100644 --- a/hw/virtio/virtio.c +++ b/hw/virtio/virtio.c @@ -2247,6 +2247,14 @@ static void virtio_device_class_init(ObjectClass *klass, void *data) vdc->stop_ioeventfd = virtio_device_stop_ioeventfd_impl; } +bool virtio_device_ioeventfd_enabled(VirtIODevice *vdev) +{ + BusState *qbus = qdev_get_parent_bus(DEVICE(vdev)); + VirtioBusState *vbus = VIRTIO_BUS(qbus); + + return virtio_bus_ioeventfd_enabled(vbus); +} + static const TypeInfo virtio_device_info = { .name = TYPE_VIRTIO_DEVICE, .parent = TYPE_DEVICE, |