#define QEMU_OBJECT_H
#include "qapi/qapi-builtin-types.h"
-#include "qemu/queue.h"
+#include "qemu/module.h"
struct TypeImpl;
typedef struct TypeImpl *Type;
-typedef struct ObjectClass ObjectClass;
typedef struct Object Object;
typedef struct TypeInfo TypeInfo;
* parent class initialization has occurred, but before the class itself
* is initialized. This is the function to use to undo the effects of
* memcpy from the parent class to the descendants.
- * @class_finalize: This function is called during class destruction and is
- * meant to release and dynamic parameters allocated by @class_init.
- * @class_data: Data to pass to the @class_init, @class_base_init and
- * @class_finalize functions. This can be useful when building dynamic
+ * @class_data: Data to pass to the @class_init,
+ * @class_base_init. This can be useful when building dynamic
* classes.
* @interfaces: The list of interfaces associated with this type. This
* should point to a static array that's terminated with a zero filled
void (*class_init)(ObjectClass *klass, void *data);
void (*class_base_init)(ObjectClass *klass, void *data);
- void (*class_finalize)(ObjectClass *klass, void *data);
void *class_data;
InterfaceInfo *interfaces;
Error **errp,
va_list vargs);
+void object_apply_global_props(Object *obj, const GPtrArray *props,
+ Error **errp);
+void object_set_machine_compat_props(GPtrArray *compat_props);
+void object_set_accelerator_compat_props(GPtrArray *compat_props);
+void object_apply_compat_props(Object *obj);
+
/**
* object_set_props:
* @obj: the object instance to set properties on
*/
void object_initialize(void *obj, size_t size, const char *typename);
+/**
+ * object_initialize_child:
+ * @parentobj: The parent object to add a property to
+ * @propname: The name of the property
+ * @childobj: A pointer to the memory to be used for the object.
+ * @size: The maximum size available at @childobj for the object.
+ * @type: The name of the type of the object to instantiate.
+ * @errp: If an error occurs, a pointer to an area to store the error
+ * @...: list of property names and values
+ *
+ * This function will initialize an object. The memory for the object should
+ * have already been allocated. The object will then be added as child property
+ * to a parent with object_property_add_child() function. The returned object
+ * has a reference count of 1 (for the "child<...>" property from the parent),
+ * so the object will be finalized automatically when the parent gets removed.
+ *
+ * The variadic parameters are a list of pairs of (propname, propvalue)
+ * strings. The propname of %NULL indicates the end of the property list.
+ * If the object implements the user creatable interface, the object will
+ * be marked complete once all the properties have been processed.
+ */
+void object_initialize_child(Object *parentobj, const char *propname,
+ void *childobj, size_t size, const char *type,
+ Error **errp, ...) QEMU_SENTINEL;
+
+/**
+ * object_initialize_childv:
+ * @parentobj: The parent object to add a property to
+ * @propname: The name of the property
+ * @childobj: A pointer to the memory to be used for the object.
+ * @size: The maximum size available at @childobj for the object.
+ * @type: The name of the type of the object to instantiate.
+ * @errp: If an error occurs, a pointer to an area to store the error
+ * @vargs: list of property names and values
+ *
+ * See object_initialize_child() for documentation.
+ */
+void object_initialize_childv(Object *parentobj, const char *propname,
+ void *childobj, size_t size, const char *type,
+ Error **errp, va_list vargs);
+
/**
* object_dynamic_cast:
* @obj: The object to cast.
* @errp: returns an error if this function fails
*
* Writes an object's canonical path to a property.
+ *
+ * If the link property was created with
+ * <code>OBJ_PROP_LINK_STRONG</code> bit, the old target object is
+ * unreferenced, and a reference is added to the new target object.
+ *
*/
void object_property_set_link(Object *obj, Object *value,
const char *name, Error **errp);
*
* Returns: The final component in the object's canonical path. The canonical
* path is the path within the composition tree starting from the root.
+ * %NULL if the object doesn't have a parent (and thus a canonical path).
*/
gchar *object_get_canonical_path_component(Object *obj);
* @obj: the object to add a property to
* @name: the name of the property
* @child: the child object
- * @errp: if an error occurs, a pointer to an area to store the area
+ * @errp: if an error occurs, a pointer to an area to store the error
*
* Child properties form the composition tree. All objects need to be a child
* of another object. Objects can only be a child of one object.
typedef enum {
/* Unref the link pointer when the property is deleted */
- OBJ_PROP_LINK_UNREF_ON_RELEASE = 0x1,
+ OBJ_PROP_LINK_STRONG = 0x1,
} ObjectPropertyLinkFlags;
/**
* @child: a pointer to where the link object reference is stored
* @check: callback to veto setting or NULL if the property is read-only
* @flags: additional options for the link
- * @errp: if an error occurs, a pointer to an area to store the area
+ * @errp: if an error occurs, a pointer to an area to store the error
*
* Links establish relationships between objects. Links are unidirectional
* although two links can be combined to form a bidirectional relationship
* link property. The reference count for <code>*@child</code> is
* managed by the property from after the function returns till the
* property is deleted with object_property_del(). If the
- * <code>@flags</code> <code>OBJ_PROP_LINK_UNREF_ON_RELEASE</code> bit is set,
- * the reference count is decremented when the property is deleted.
+ * <code>@flags</code> <code>OBJ_PROP_LINK_STRONG</code> bit is set,
+ * the reference count is decremented when the property is deleted or
+ * modified.
*/
void object_property_add_link(Object *obj, const char *name,
const char *type, Object **child,
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