diff --git a/include/qom/object.h b/include/qom/object.h index 30db296af4..4f07090db0 100644 --- a/include/qom/object.h +++ b/include/qom/object.h @@ -1016,6 +1016,22 @@ typedef struct ObjectPropertyIterator { void object_property_iter_init(ObjectPropertyIterator *iter, Object *obj); +/** + * object_class_property_iter_init: + * @klass: the class + * + * Initializes an iterator for traversing all properties + * registered against an object class and all parent classes. + * + * It is forbidden to modify the property list while iterating, + * whether removing or adding properties. + * + * This can be used on abstract classes as it does not create a temporary + * instance. + */ +void object_class_property_iter_init(ObjectPropertyIterator *iter, + ObjectClass *klass); + /** * object_property_iter_next: * @iter: the iterator instance diff --git a/qapi/misc.json b/qapi/misc.json index fb9f41d0ce..bd04469a4b 100644 --- a/qapi/misc.json +++ b/qapi/misc.json @@ -1460,6 +1460,21 @@ 'data': { 'typename': 'str'}, 'returns': [ 'ObjectPropertyInfo' ] } +## +# @qom-list-properties: +# +# List properties associated with a QOM object. +# +# @typename: the type name of an object +# +# Returns: a list of ObjectPropertyInfo describing object properties +# +# Since: 2.12 +## +{ 'command': 'qom-list-properties', + 'data': { 'typename': 'str'}, + 'returns': [ 'ObjectPropertyInfo' ] } + ## # @xen-set-global-dirty-log: # diff --git a/qmp.c b/qmp.c index 66332c38d9..8c7d1cc479 100644 --- a/qmp.c +++ b/qmp.c @@ -578,6 +578,55 @@ ObjectPropertyInfoList *qmp_device_list_properties(const char *typename, return prop_list; } +ObjectPropertyInfoList *qmp_qom_list_properties(const char *typename, + Error **errp) +{ + ObjectClass *klass; + Object *obj = NULL; + ObjectProperty *prop; + ObjectPropertyIterator iter; + ObjectPropertyInfoList *prop_list = NULL; + + klass = object_class_by_name(typename); + if (klass == NULL) { + error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND, + "Class '%s' not found", typename); + return NULL; + } + + klass = object_class_dynamic_cast(klass, TYPE_OBJECT); + if (klass == NULL) { + error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "typename", TYPE_OBJECT); + return NULL; + } + + if (object_class_is_abstract(klass)) { + object_class_property_iter_init(&iter, klass); + } else { + obj = object_new(typename); + object_property_iter_init(&iter, obj); + } + while ((prop = object_property_iter_next(&iter))) { + ObjectPropertyInfo *info; + ObjectPropertyInfoList *entry; + + info = g_malloc0(sizeof(*info)); + info->name = g_strdup(prop->name); + info->type = g_strdup(prop->type); + info->has_description = !!prop->description; + info->description = g_strdup(prop->description); + + entry = g_malloc0(sizeof(*entry)); + entry->value = info; + entry->next = prop_list; + prop_list = entry; + } + + object_unref(obj); + + return prop_list; +} + CpuDefinitionInfoList *qmp_query_cpu_definitions(Error **errp) { return arch_query_cpu_definitions(errp); diff --git a/qom/object.c b/qom/object.c index f70a75c308..755ad03819 100644 --- a/qom/object.c +++ b/qom/object.c @@ -1037,6 +1037,13 @@ ObjectProperty *object_property_iter_next(ObjectPropertyIterator *iter) return val; } +void object_class_property_iter_init(ObjectPropertyIterator *iter, + ObjectClass *klass) +{ + g_hash_table_iter_init(&iter->iter, klass->properties); + iter->nextclass = klass; +} + ObjectProperty *object_class_property_find(ObjectClass *klass, const char *name, Error **errp) {