virtio: move host_features

Move host_features from the individual transport proxies into
the virtio device. Transports may continue to add feature bits
during device plugging.

This should it make easier to offer different sets of host features
for virtio-1/transitional support.

Tested-by: Shannon Zhao <shannon.zhao@linaro.org>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

1 files changed, 2 insertions, 16 deletions

diff --git a/hw/s390x/s390-virtio-bus.c b/hw/s390x/s390-virtio-bus.c
index 0e35ac970a..74e27e89b7 100644
--- a/hw/s390x/s390-virtio-bus.c
+++ b/hw/s390x/s390-virtio-bus.c
@@ -139,8 +139,6 @@ static void s390_virtio_device_init(VirtIOS390Device *dev,
 
     bus->dev_offs += dev_len;
 
-    dev->host_features = virtio_bus_get_vdev_features(&dev->bus,
-                                                      dev->host_features);
     s390_virtio_device_sync(dev);
     s390_virtio_reset_idx(dev);
     if (dev->qdev.hotplugged) {
@@ -433,7 +431,8 @@ void s390_virtio_device_sync(VirtIOS390Device *dev)
     cur_offs += num_vq * VIRTIO_VQCONFIG_LEN;
 
     /* Sync feature bitmap */
-    address_space_stl_le(&address_space_memory, cur_offs, dev->host_features,
+    address_space_stl_le(&address_space_memory, cur_offs,
+                         dev->vdev->host_features,
                          MEMTXATTRS_UNSPECIFIED, NULL);
 
     dev->feat_offs = cur_offs + dev->feat_len;
@@ -528,12 +527,6 @@ static void virtio_s390_notify(DeviceState *d, uint16_t vector)
     s390_virtio_irq(0, token);
 }
 
-static unsigned virtio_s390_get_features(DeviceState *d)
-{
-    VirtIOS390Device *dev = to_virtio_s390_device(d);
-    return dev->host_features;
-}
-
 /**************** S390 Virtio Bus Device Descriptions *******************/
 
 static void s390_virtio_net_class_init(ObjectClass *klass, void *data)
@@ -626,16 +619,10 @@ static void s390_virtio_busdev_reset(DeviceState *dev)
     virtio_reset(_dev->vdev);
 }
 
-static Property virtio_s390_properties[] = {
-    DEFINE_VIRTIO_COMMON_FEATURES(VirtIOS390Device, host_features),
-    DEFINE_PROP_END_OF_LIST(),
-};
-
 static void virtio_s390_device_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
 
-    dc->props = virtio_s390_properties;
     dc->realize = s390_virtio_busdev_realize;
     dc->bus_type = TYPE_S390_VIRTIO_BUS;
     dc->reset = s390_virtio_busdev_reset;
@@ -733,7 +720,6 @@ 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->get_features = virtio_s390_get_features;
 }
 
 static const TypeInfo virtio_s390_bus_info = {