qom: export more functions for use with non-UserCreatable objects
Machines and accelerators are not user-creatable but they are going
to share similar command-line parsing machinery. Export functions
that will be used with -machine and -accel in softmmu/vl.c.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/include/qom/object.h b/include/qom/object.h
index 6721cd3..faae0d8 100644
--- a/include/qom/object.h
+++ b/include/qom/object.h
@@ -862,6 +862,29 @@
type_init(do_qemu_init_ ## type_array)
/**
+ * type_print_class_properties:
+ * @type: a QOM class name
+ *
+ * Print the object's class properties to stdout or the monitor.
+ * Return whether an object was found.
+ */
+bool type_print_class_properties(const char *type);
+
+/**
+ * object_set_properties_from_keyval:
+ * @obj: a QOM object
+ * @qdict: a dictionary with the properties to be set
+ * @from_json: true if leaf values of @qdict are typed, false if they
+ * are strings
+ * @errp: pointer to error object
+ *
+ * For each key in the dictionary, parse the value string if needed,
+ * then set the corresponding property in @obj.
+ */
+void object_set_properties_from_keyval(Object *obj, const QDict *qdict,
+ bool from_json, Error **errp);
+
+/**
* object_class_dynamic_cast_assert:
* @klass: The #ObjectClass to attempt to cast.
* @typename: The QOM typename of the class to cast to.
diff --git a/qom/object_interfaces.c b/qom/object_interfaces.c
index 4479ee6..ad9b56b 100644
--- a/qom/object_interfaces.c
+++ b/qom/object_interfaces.c
@@ -42,6 +42,44 @@
}
}
+static void object_set_properties_from_qdict(Object *obj, const QDict *qdict,
+ Visitor *v, Error **errp)
+{
+ const QDictEntry *e;
+ Error *local_err = NULL;
+
+ if (!visit_start_struct(v, NULL, NULL, 0, &local_err)) {
+ goto out;
+ }
+ for (e = qdict_first(qdict); e; e = qdict_next(qdict, e)) {
+ if (!object_property_set(obj, e->key, v, &local_err)) {
+ break;
+ }
+ }
+ if (!local_err) {
+ visit_check_struct(v, &local_err);
+ }
+ visit_end_struct(v, NULL);
+
+out:
+ if (local_err) {
+ error_propagate(errp, local_err);
+ }
+}
+
+void object_set_properties_from_keyval(Object *obj, const QDict *qdict,
+ bool from_json, Error **errp)
+{
+ Visitor *v;
+ if (from_json) {
+ v = qobject_input_visitor_new(QOBJECT(qdict));
+ } else {
+ v = qobject_input_visitor_new_keyval(QOBJECT(qdict));
+ }
+ object_set_properties_from_qdict(obj, qdict, v, errp);
+ visit_free(v);
+}
+
Object *user_creatable_add_type(const char *type, const char *id,
const QDict *qdict,
Visitor *v, Error **errp)
@@ -49,7 +87,6 @@
ERRP_GUARD();
Object *obj;
ObjectClass *klass;
- const QDictEntry *e;
Error *local_err = NULL;
if (id != NULL && !id_wellformed(id)) {
@@ -78,18 +115,7 @@
assert(qdict);
obj = object_new(type);
- if (!visit_start_struct(v, NULL, NULL, 0, &local_err)) {
- goto out;
- }
- for (e = qdict_first(qdict); e; e = qdict_next(qdict, e)) {
- if (!object_property_set(obj, e->key, v, &local_err)) {
- break;
- }
- }
- if (!local_err) {
- visit_check_struct(v, &local_err);
- }
- visit_end_struct(v, NULL);
+ object_set_properties_from_qdict(obj, qdict, v, &local_err);
if (local_err) {
goto out;
}
@@ -178,7 +204,7 @@
g_slist_free(list);
}
-static bool user_creatable_print_type_properites(const char *type)
+bool type_print_class_properties(const char *type)
{
ObjectClass *klass;
ObjectPropertyIterator iter;
@@ -224,7 +250,7 @@
}
if (qemu_opt_has_help_opt(opts)) {
- return user_creatable_print_type_properites(type);
+ return type_print_class_properties(type);
}
return false;
@@ -234,7 +260,7 @@
{
const char *type = qdict_get_try_str(args, "qom-type");
- if (!type || !user_creatable_print_type_properites(type)) {
+ if (!type || !type_print_class_properties(type)) {
user_creatable_print_types();
}
}