qom: add container_get

This is QOM "mkdir -p".  It is useful when referring to
container objects such as "/machine".

Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

1 files changed, 24 insertions, 0 deletions

diff --git a/include/qemu/object.h b/include/qemu/object.h
index e8fc1268b3..a675937da1 100644
--- a/include/qemu/object.h
+++ b/include/qemu/object.h
@@ -837,6 +837,18 @@ Object *object_resolve_path_type(const char *path, const char *typename,
                                  bool *ambiguous);
 
 /**
+ * object_resolve_path_component:
+ * @parent: the object in which to resolve the path
+ * @part: the component to resolve.
+ *
+ * This is similar to object_resolve_path with an absolute path, but it
+ * only resolves one element (@part) and takes the others from @parent.
+ *
+ * Returns: The resolved object or NULL on path lookup failure.
+ */
+Object *object_resolve_path_component(Object *parent, gchar *part);
+
+/**
  * object_property_add_child:
  * @obj: the object to add a property to
  * @name: the name of the property
@@ -891,4 +903,16 @@ void object_property_add_str(Object *obj, const char *name,
                              void (*set)(Object *, const char *, struct Error **),
                              struct Error **errp);
 
+/**
+ * container_get:
+ * @path: path to the container
+ *
+ * Return a container object whose path is @path.  Create more containers
+ * along the path if necessary.
+ *
+ * Returns: the container object.
+ */
+Object *container_get(const char *path);
+
+
 #endif