qmp: introduce device-list-properties command
This can be used in conjunction with qom-list-types to determine the supported
set of devices and their parameters.
Signed-off-by: Anthony Liguori <[email protected]>
Signed-off-by: Luiz Capitulino <[email protected]>
diff --git a/qmp.c b/qmp.c
index fee9fb2..254a32f 100644
--- a/qmp.c
+++ b/qmp.c
@@ -417,3 +417,53 @@
return ret;
}
+
+DevicePropertyInfoList *qmp_device_list_properties(const char *typename,
+ Error **errp)
+{
+ ObjectClass *klass;
+ Property *prop;
+ DevicePropertyInfoList *prop_list = NULL;
+
+ klass = object_class_by_name(typename);
+ if (klass == NULL) {
+ error_set(errp, QERR_DEVICE_NOT_FOUND, typename);
+ return NULL;
+ }
+
+ klass = object_class_dynamic_cast(klass, TYPE_DEVICE);
+ if (klass == NULL) {
+ error_set(errp, QERR_INVALID_PARAMETER_VALUE,
+ "name", TYPE_DEVICE);
+ return NULL;
+ }
+
+ do {
+ for (prop = DEVICE_CLASS(klass)->props; prop && prop->name; prop++) {
+ DevicePropertyInfoList *entry;
+ DevicePropertyInfo *info;
+
+ /*
+ * TODO Properties without a parser are just for dirty hacks.
+ * qdev_prop_ptr is the only such PropertyInfo. It's marked
+ * for removal. This conditional should be removed along with
+ * it.
+ */
+ if (!prop->info->set) {
+ continue; /* no way to set it, don't show */
+ }
+
+ info = g_malloc0(sizeof(*info));
+ info->name = g_strdup(prop->name);
+ info->type = g_strdup(prop->info->legacy_name ?: prop->info->name);
+
+ entry = g_malloc0(sizeof(*entry));
+ entry->value = info;
+ entry->next = prop_list;
+ prop_list = entry;
+ }
+ klass = object_class_get_parent(klass);
+ } while (klass != object_class_by_name(TYPE_DEVICE));
+
+ return prop_list;
+}
