Introduce Virtio-loopback epsilon release:

Epsilon release introduces a new compatibility layer which make virtio-loopback
design to work with QEMU and rust-vmm vhost-user backend without require any
changes.

Signed-off-by: Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com>
Change-Id: I52e57563e08a7d0bdc002f8e928ee61ba0c53dd9

1 files changed, 52 insertions, 0 deletions

diff --git a/qom/container.c b/qom/container.c
new file mode 100644
index 000000000..455e8410c
--- /dev/null
+++ b/qom/container.c
@@ -0,0 +1,52 @@
+/*
+ * Device Container
+ *
+ * Copyright IBM, Corp. 2012
+ *
+ * Authors:
+ *  Anthony Liguori   <aliguori@us.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#include "qemu/osdep.h"
+#include "qom/object.h"
+#include "qemu/module.h"
+
+static const TypeInfo container_info = {
+    .name          = "container",
+    .parent        = TYPE_OBJECT,
+};
+
+static void container_register_types(void)
+{
+    type_register_static(&container_info);
+}
+
+Object *container_get(Object *root, const char *path)
+{
+    Object *obj, *child;
+    char **parts;
+    int i;
+
+    parts = g_strsplit(path, "/", 0);
+    assert(parts != NULL && parts[0] != NULL && !parts[0][0]);
+    obj = root;
+
+    for (i = 1; parts[i] != NULL; i++, obj = child) {
+        child = object_resolve_path_component(obj, parts[i]);
+        if (!child) {
+            child = object_new("container");
+            object_property_add_child(obj, parts[i], child);
+            object_unref(child);
+        }
+    }
+
+    g_strfreev(parts);
+
+    return obj;
+}
+
+
+type_init(container_register_types)