diff options
Diffstat (limited to 'hw/virtio/virtio.c')
| -rw-r--r-- | hw/virtio/virtio.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c index 6985e76b64..96d9c6a199 100644 --- a/hw/virtio/virtio.c +++ b/hw/virtio/virtio.c @@ -970,13 +970,10 @@ void virtio_save(VirtIODevice *vdev, QEMUFile *f) int virtio_set_features(VirtIODevice *vdev, uint32_t val) { - BusState *qbus = qdev_get_parent_bus(DEVICE(vdev)); - VirtioBusClass *vbusk = VIRTIO_BUS_GET_CLASS(qbus); VirtioDeviceClass *k = VIRTIO_DEVICE_GET_CLASS(vdev); - uint32_t supported_features = vbusk->get_features(qbus->parent); - bool bad = (val & ~supported_features) != 0; + bool bad = (val & ~(vdev->host_features)) != 0; - val &= supported_features; + val &= vdev->host_features; if (k->set_features) { k->set_features(vdev, val); } @@ -990,7 +987,6 @@ int virtio_load(VirtIODevice *vdev, QEMUFile *f, int version_id) int32_t config_len; uint32_t num; uint32_t features; - uint32_t supported_features; BusState *qbus = qdev_get_parent_bus(DEVICE(vdev)); VirtioBusClass *k = VIRTIO_BUS_GET_CLASS(qbus); VirtioDeviceClass *vdc = VIRTIO_DEVICE_GET_CLASS(vdev); @@ -1016,9 +1012,8 @@ int virtio_load(VirtIODevice *vdev, QEMUFile *f, int version_id) qemu_get_be32s(f, &features); if (virtio_set_features(vdev, features) < 0) { - supported_features = k->get_features(qbus->parent); error_report("Features 0x%x unsupported. Allowed features: 0x%x", - features, supported_features); + features, vdev->host_features); return -1; } config_len = qemu_get_be32(f); @@ -1351,6 +1346,11 @@ static void virtio_device_unrealize(DeviceState *dev, Error **errp) vdev->bus_name = NULL; } +static Property virtio_properties[] = { + DEFINE_VIRTIO_COMMON_FEATURES(VirtIODevice, host_features), + DEFINE_PROP_END_OF_LIST(), +}; + static void virtio_device_class_init(ObjectClass *klass, void *data) { /* Set the default value here. */ @@ -1359,6 +1359,7 @@ static void virtio_device_class_init(ObjectClass *klass, void *data) dc->realize = virtio_device_realize; dc->unrealize = virtio_device_unrealize; dc->bus_type = TYPE_VIRTIO_BUS; + dc->props = virtio_properties; } static const TypeInfo virtio_device_info = { |