qemu_storage: support the vdpa device

replace the file_opts for the vdpa device

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

virttest/qemu_storage.py

@@ -188,8 +188,10 @@ def filename_to_file_opts(filename):
                 if matches['user'] is not None:
                     file_opts['username'] = matches['user']
     # FIXME: Judge the host device by the string starts with "/dev/".
-    elif filename.startswith('/dev/'):
+    elif filename.startswith('/dev/') and not filename.startswith("/dev/vhost-vdpa"):
         file_opts = {'driver': 'host_device', 'filename': filename}
+    elif filename.startswith("/dev/vhost-vdpa"):
+        file_opts = {'driver': 'virtio-blk-vhost-vdpa', 'path': filename}
     else:
         file_opts = {'driver': 'file', 'filename': filename}