qemu_storage: support the vdpa device

add vdpa device support to the related functions

Signed-off-by: Houqi (Nick) Zuo <[email protected]>

virttest/qemu_storage.py

@@ -187,6 +187,9 @@ def filename_to_file_opts(filename):
 
                 if matches['user'] is not None:
                     file_opts['username'] = matches['user']
+    # FIXME: vdpa is a customized protocol instead of a standard protocol.
+    elif filename.startswith("vdpa:"):
+        file_opts = {'driver': 'virtio-blk-vhost-vdpa', 'path': filename}
     # FIXME: Judge the host device by the string starts with "/dev/".
     elif filename.startswith('/dev/'):
         file_opts = {'driver': 'host_device', 'filename': filename}