v4.19.13 snapshot.
diff --git a/drivers/vfio/mdev/Kconfig b/drivers/vfio/mdev/Kconfig
new file mode 100644
index 0000000..14fdb10
--- /dev/null
+++ b/drivers/vfio/mdev/Kconfig
@@ -0,0 +1,17 @@
+
+config VFIO_MDEV
+ tristate "Mediated device driver framework"
+ depends on VFIO
+ default n
+ help
+ Provides a framework to virtualize devices.
+ See Documentation/vfio-mediated-device.txt for more details.
+
+ If you don't know what do here, say N.
+
+config VFIO_MDEV_DEVICE
+ tristate "VFIO driver for Mediated devices"
+ depends on VFIO && VFIO_MDEV
+ default n
+ help
+ VFIO based driver for Mediated devices.