diff options
| -rw-r--r-- | hw/s390x/s390-virtio-bus.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/hw/s390x/s390-virtio-bus.c b/hw/s390x/s390-virtio-bus.c index 0748e30734..8a6e27eac1 100644 --- a/hw/s390x/s390-virtio-bus.c +++ b/hw/s390x/s390-virtio-bus.c @@ -529,6 +529,19 @@ static void virtio_s390_notify(DeviceState *d, uint16_t vector) s390_virtio_irq(0, token); } +static void virtio_s390_device_plugged(DeviceState *d, Error **errp) +{ + VirtIOS390Device *dev = to_virtio_s390_device(d); + VirtIODevice *vdev = virtio_bus_get_device(&dev->bus); + int n = virtio_get_num_queues(vdev); + + if (n > VIRTIO_S390_QUEUE_MAX) { + error_setg(errp, "The nubmer of virtqueues %d " + "exceeds s390 limit %d", n, + VIRTIO_S390_QUEUE_MAX); + } +} + /**************** S390 Virtio Bus Device Descriptions *******************/ static void s390_virtio_net_class_init(ObjectClass *klass, void *data) @@ -722,6 +735,7 @@ static void virtio_s390_bus_class_init(ObjectClass *klass, void *data) BusClass *bus_class = BUS_CLASS(klass); bus_class->max_dev = 1; k->notify = virtio_s390_notify; + k->device_plugged = virtio_s390_device_plugged; } static const TypeInfo virtio_s390_bus_info = { |