virtio: add option to bind interface to uio driver

Type: improvement

Change-Id: I30e66370c927afeb62ba3a2b3334bdc2a31d4561
Signed-off-by: Benoît Ganne <bganne@cisco.com>
diff --git a/src/vnet/devices/virtio/cli.c b/src/vnet/devices/virtio/cli.c
index a783369..2457e9b 100644
--- a/src/vnet/devices/virtio/cli.c
+++ b/src/vnet/devices/virtio/cli.c
@@ -55,6 +55,10 @@
 	}
       else if (unformat (line_input, "packed"))
 	args.virtio_flags |= VIRTIO_FLAG_PACKED;
+      else if (unformat (line_input, "bind force"))
+	args.bind = VIRTIO_BIND_FORCE;
+      else if (unformat (line_input, "bind"))
+	args.bind = VIRTIO_BIND_DEFAULT;
       else
 	return clib_error_return (0, "unknown input `%U'",
 				  format_unformat_error, input);
@@ -70,8 +74,8 @@
 VLIB_CLI_COMMAND (virtio_pci_create_command, static) = {
   .path = "create interface virtio",
   .short_help = "create interface virtio <pci-address> "
-                "[feature-mask <hex-mask>] [gso-enabled] [csum-enabled] "
-		"[buffering [size <buffering-szie>]] [packed]",
+		"[feature-mask <hex-mask>] [gso-enabled] [csum-enabled] "
+		"[buffering [size <buffering-szie>]] [packed] [bind [force]]",
   .function = virtio_pci_create_command_fn,
 };
 /* *INDENT-ON* */