Import QEMU upstream snapshot d2e570c

Upstream: https://gitlab.com/qemu-project/qemu.git

Upstream-Commit: d2e570cc0f97b936902a5b1b86b73c0f5998b475

qom/qom-qmp-cmds.c

@@ -0,0 +1,288 @@
+/*
+ * QMP commands related to QOM
+ *
+ * Copyright IBM, Corp. 2011
+ *
+ * Authors:
+ *  Anthony Liguori   <[email protected]>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2.  See
+ * the COPYING file in the top-level directory.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
+ */
+
+#include "qemu/osdep.h"
+#include "block/qdict.h"
+#include "hw/core/qdev.h"
+#include "qapi/error.h"
+#include "qapi/qapi-commands-qdev.h"
+#include "qapi/qapi-commands-qom.h"
+#include "qapi/qapi-visit-qom.h"
+#include "qobject/qdict.h"
+#include "qapi/qmp/qerror.h"
+#include "qapi/qobject-input-visitor.h"
+#include "qapi/qobject-output-visitor.h"
+#include "qemu/cutils.h"
+#include "qom/object_interfaces.h"
+#include "qom/qom-qobject.h"
+
+static Object *qom_resolve_path(const char *path, Error **errp)
+{
+    bool ambiguous = false;
+    Object *obj = object_resolve_path(path, &ambiguous);
+
+    if (obj == NULL) {
+        if (ambiguous) {
+            error_setg(errp, "Path '%s' is ambiguous", path);
+        } else {
+            error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
+                      "Device '%s' not found", path);
+        }
+    }
+    return obj;
+}
+
+ObjectPropertyInfoList *qmp_qom_list(const char *path, Error **errp)
+{
+    Object *obj;
+    ObjectPropertyInfoList *props = NULL;
+    ObjectProperty *prop;
+    ObjectPropertyIterator iter;
+
+    obj = qom_resolve_path(path, errp);
+    if (obj == NULL) {
+        return NULL;
+    }
+
+    object_property_iter_init(&iter, obj);
+    while ((prop = object_property_iter_next(&iter))) {
+        ObjectPropertyInfo *value = g_new0(ObjectPropertyInfo, 1);
+
+        QAPI_LIST_PREPEND(props, value);
+
+        value->name = g_strdup(prop->name);
+        value->type = g_strdup(prop->type);
+    }
+
+    return props;
+}
+
+static void qom_list_add_property_value(Object *obj, ObjectProperty *prop,
+                                        ObjectPropertyValueList **props)
+{
+    ObjectPropertyValue *item = g_new0(ObjectPropertyValue, 1);
+
+    QAPI_LIST_PREPEND(*props, item);
+
+    item->name = g_strdup(prop->name);
+    item->type = g_strdup(prop->type);
+    item->value = object_property_get_qobject(obj, prop->name, NULL);
+}
+
+static ObjectPropertyValueList *qom_get_property_value_list(const char *path,
+                                                            Error **errp)
+{
+    Object *obj;
+    ObjectProperty *prop;
+    ObjectPropertyIterator iter;
+    ObjectPropertyValueList *props = NULL;
+
+    obj = qom_resolve_path(path, errp);
+    if (obj == NULL) {
+        return NULL;
+    }
+
+    object_property_iter_init(&iter, obj);
+    while ((prop = object_property_iter_next(&iter))) {
+        qom_list_add_property_value(obj, prop, &props);
+    }
+
+    return props;
+}
+
+ObjectPropertiesValuesList *qmp_qom_list_get(strList *paths, Error **errp)
+{
+    ObjectPropertiesValuesList *head = NULL, **tail = &head;
+    strList *path;
+
+    for (path = paths; path; path = path->next) {
+        ObjectPropertiesValues *item = g_new0(ObjectPropertiesValues, 1);
+
+        QAPI_LIST_APPEND(tail, item);
+
+        item->properties = qom_get_property_value_list(path->value, errp);
+        if (!item->properties) {
+            qapi_free_ObjectPropertiesValuesList(head);
+            return NULL;
+        }
+    }
+
+    return head;
+}
+
+void qmp_qom_set(const char *path, const char *property, QObject *value,
+                 Error **errp)
+{
+    Object *obj;
+
+    obj = object_resolve_path(path, NULL);
+    if (!obj) {
+        error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
+                  "Device '%s' not found", path);
+        return;
+    }
+
+    object_property_set_qobject(obj, property, value, errp);
+}
+
+QObject *qmp_qom_get(const char *path, const char *property, Error **errp)
+{
+    Object *obj;
+
+    obj = object_resolve_path(path, NULL);
+    if (!obj) {
+        error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
+                  "Device '%s' not found", path);
+        return NULL;
+    }
+
+    return object_property_get_qobject(obj, property, errp);
+}
+
+static void qom_list_types_tramp(ObjectClass *klass, void *data)
+{
+    ObjectTypeInfoList **pret = data;
+    ObjectTypeInfo *info;
+    ObjectClass *parent = object_class_get_parent(klass);
+
+    info = g_malloc0(sizeof(*info));
+    info->name = g_strdup(object_class_get_name(klass));
+    info->has_abstract = info->abstract = object_class_is_abstract(klass);
+    if (parent) {
+        info->parent = g_strdup(object_class_get_name(parent));
+    }
+
+    QAPI_LIST_PREPEND(*pret, info);
+}
+
+ObjectTypeInfoList *qmp_qom_list_types(const char *implements,
+                                       bool has_abstract,
+                                       bool abstract,
+                                       Error **errp)
+{
+    ObjectTypeInfoList *ret = NULL;
+
+    module_load_qom_all();
+    object_class_foreach(qom_list_types_tramp, implements, abstract, &ret);
+
+    return ret;
+}
+
+ObjectPropertyInfoList *qmp_device_list_properties(const char *typename,
+                                                Error **errp)
+{
+    ObjectClass *klass;
+    Object *obj;
+    ObjectProperty *prop;
+    ObjectPropertyIterator iter;
+    ObjectPropertyInfoList *prop_list = NULL;
+
+    klass = module_object_class_by_name(typename);
+    if (klass == NULL) {
+        error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
+                  "Device '%s' not found", typename);
+        return NULL;
+    }
+
+    if (!object_class_dynamic_cast(klass, TYPE_DEVICE)
+        || object_class_is_abstract(klass)) {
+        error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "typename",
+                   "a non-abstract device type");
+        return NULL;
+    }
+
+    obj = object_new_with_class(klass);
+
+    object_property_iter_init(&iter, obj);
+    while ((prop = object_property_iter_next(&iter))) {
+        ObjectPropertyInfo *info;
+
+        /* Skip Object and DeviceState properties */
+        if (strcmp(prop->name, "type") == 0 ||
+            strcmp(prop->name, "realized") == 0 ||
+            strcmp(prop->name, "hotpluggable") == 0 ||
+            strcmp(prop->name, "hotplugged") == 0 ||
+            strcmp(prop->name, "parent_bus") == 0) {
+            continue;
+        }
+
+        info = g_new0(ObjectPropertyInfo, 1);
+        info->name = g_strdup(prop->name);
+        info->type = g_strdup(prop->type);
+        info->description = g_strdup(prop->description);
+        info->default_value = qobject_ref(prop->defval);
+
+        QAPI_LIST_PREPEND(prop_list, info);
+    }
+
+    object_unref(obj);
+
+    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 = module_object_class_by_name(typename);
+    if (klass == NULL) {
+        error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
+                  "Class '%s' not found", typename);
+        return NULL;
+    }
+
+    if (!object_class_dynamic_cast(klass, TYPE_OBJECT)) {
+        error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "typename",
+                   "a QOM type");
+        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;
+
+        info = g_malloc0(sizeof(*info));
+        info->name = g_strdup(prop->name);
+        info->type = g_strdup(prop->type);
+        info->description = g_strdup(prop->description);
+        info->default_value = qobject_ref(prop->defval);
+
+        QAPI_LIST_PREPEND(prop_list, info);
+    }
+
+    object_unref(obj);
+
+    return prop_list;
+}
+
+void qmp_object_add(ObjectOptions *options, Error **errp)
+{
+    user_creatable_add_qapi(options, errp);
+}
+
+void qmp_object_del(const char *id, Error **errp)
+{
+    user_creatable_del(id, errp);
+}