diff --git a/include/qemu/object.h b/include/qemu/object.h index cc75feed66..be707f1a36 100644 --- a/include/qemu/object.h +++ b/include/qemu/object.h @@ -946,6 +946,22 @@ void object_property_add_str(Object *obj, const char *name, void (*set)(Object *, const char *, struct Error **), struct Error **errp); +/** + * object_property_add_bool: + * @obj: the object to add a property to + * @name: the name of the property + * @get: the getter or NULL if the property is write-only. + * @set: the setter or NULL if the property is read-only + * @errp: if an error occurs, a pointer to an area to store the error + * + * Add a bool property using getters/setters. This function will add a + * property of type 'bool'. + */ +void object_property_add_bool(Object *obj, const char *name, + bool (*get)(Object *, struct Error **), + void (*set)(Object *, bool, struct Error **), + struct Error **errp); + /** * object_child_foreach: * @obj: the object whose children will be navigated diff --git a/qom/object.c b/qom/object.c index e3e9242638..d7092b09d8 100644 --- a/qom/object.c +++ b/qom/object.c @@ -1183,6 +1183,62 @@ void object_property_add_str(Object *obj, const char *name, prop, errp); } +typedef struct BoolProperty +{ + bool (*get)(Object *, Error **); + void (*set)(Object *, bool, Error **); +} BoolProperty; + +static void property_get_bool(Object *obj, Visitor *v, void *opaque, + const char *name, Error **errp) +{ + BoolProperty *prop = opaque; + bool value; + + value = prop->get(obj, errp); + visit_type_bool(v, &value, name, errp); +} + +static void property_set_bool(Object *obj, Visitor *v, void *opaque, + const char *name, Error **errp) +{ + BoolProperty *prop = opaque; + bool value; + Error *local_err = NULL; + + visit_type_bool(v, &value, name, &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } + + prop->set(obj, value, errp); +} + +static void property_release_bool(Object *obj, const char *name, + void *opaque) +{ + BoolProperty *prop = opaque; + g_free(prop); +} + +void object_property_add_bool(Object *obj, const char *name, + bool (*get)(Object *, Error **), + void (*set)(Object *, bool, Error **), + Error **errp) +{ + BoolProperty *prop = g_malloc0(sizeof(*prop)); + + prop->get = get; + prop->set = set; + + object_property_add(obj, name, "bool", + get ? property_get_bool : NULL, + set ? property_set_bool : NULL, + property_release_bool, + prop, errp); +} + static char *qdev_get_type(Object *obj, Error **errp) { return g_strdup(object_get_typename(obj));