v4.19.13 snapshot.
diff --git a/drivers/crypto/virtio/Kconfig b/drivers/crypto/virtio/Kconfig
new file mode 100644
index 0000000..a4324b1
--- /dev/null
+++ b/drivers/crypto/virtio/Kconfig
@@ -0,0 +1,10 @@
+config CRYPTO_DEV_VIRTIO
+	tristate "VirtIO crypto driver"
+	depends on VIRTIO
+	select CRYPTO_AEAD
+	select CRYPTO_BLKCIPHER
+	select CRYPTO_ENGINE
+	default m
+	help
+	  This driver provides support for virtio crypto device. If you
+	  choose 'M' here, this module will be called virtio_crypto.