diff options
| -rw-r--r-- | drivers/virtio/virtio_balloon.c | 1 | ||||
| -rw-r--r-- | include/linux/virtio.h | 2 |
2 files changed, 3 insertions, 0 deletions
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c index c9703d4d6f6..4497def48da 100644 --- a/drivers/virtio/virtio_balloon.c +++ b/drivers/virtio/virtio_balloon.c @@ -518,6 +518,7 @@ static unsigned int features[] = { }; static struct virtio_driver virtio_balloon_driver = { + .legacy_only = true, .feature_table = features, .feature_table_size = ARRAY_SIZE(features), .driver.name = KBUILD_MODNAME, diff --git a/include/linux/virtio.h b/include/linux/virtio.h index f70411eb9d2..2bbf6269767 100644 --- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -132,6 +132,7 @@ int virtio_device_restore(struct virtio_device *dev); * @feature_table_size: number of entries in the feature table array. * @feature_table_legacy: same as feature_table but when working in legacy mode. * @feature_table_size_legacy: number of entries in feature table legacy array. + * @legacy_only: driver does not support virtio 1.0. * @probe: the function to call when a device is found. Returns 0 or -errno. * @remove: the function to call when a device is removed. * @config_changed: optional function to call when the device configuration @@ -144,6 +145,7 @@ struct virtio_driver { unsigned int feature_table_size; const unsigned int *feature_table_legacy; unsigned int feature_table_size_legacy; + bool legacy_only; int (*probe)(struct virtio_device *dev); void (*scan)(struct virtio_device *dev); void (*remove)(struct virtio_device *dev); |