qom/qom-qmp-cmds.c - third_party/qemu - Git at Google

 /*
  * QMP commands related to QOM
  *
  * Copyright IBM, Corp. 2011
  *
  * Authors:
  *  Anthony Liguori   <aliguori@us.ibm.com>
  *
  * 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/qdev-core.h"
 #include "qapi/error.h"
 #include "qapi/qapi-commands-qdev.h"
 #include "qapi/qapi-commands-qom.h"
 #include "qapi/qmp/qdict.h"
 #include "qapi/qmp/qerror.h"
 #include "qapi/qobject-input-visitor.h"
 #include "qemu/cutils.h"
 #include "qom/object_interfaces.h"
 #include "qom/qom-qobject.h"

 ObjectPropertyInfoList *qmp_qom_list(const char *path, Error **errp)
 {
     Object *obj;
     bool ambiguous = false;
     ObjectPropertyInfoList *props = NULL;
     ObjectProperty *prop;
     ObjectPropertyIterator iter;

     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 NULL;
     }

     object_property_iter_init(&iter, obj);
     while ((prop = object_property_iter_next(&iter))) {
         ObjectPropertyInfoList *entry = g_malloc0(sizeof(*entry));

         entry->value = g_malloc0(sizeof(ObjectPropertyInfo));
         entry->next = props;
         props = entry;

         entry->value->name = g_strdup(prop->name);
         entry->value->type = g_strdup(prop->type);
     }

     return props;
 }

 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, value, property, 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 *e, **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->has_parent = true;
         info->parent = g_strdup(object_class_get_name(parent));
     }

     e = g_malloc0(sizeof(*e));
     e->value = info;
     e->next = *pret;
     *pret = e;
 }

 ObjectTypeInfoList *qmp_qom_list_types(bool has_implements,
                                        const char *implements,
                                        bool has_abstract,
                                        bool abstract,
                                        Error **errp)
 {
     ObjectTypeInfoList *ret = NULL;

     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 = object_class_by_name(typename);
     if (klass == NULL) {
         error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
                   "Device '%s' not found", typename);
         return NULL;
     }

     klass = object_class_dynamic_cast(klass, TYPE_DEVICE);
     if (klass == NULL) {
         error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "typename", TYPE_DEVICE);
         return NULL;
     }

     if (object_class_is_abstract(klass)) {
         error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "typename",
                    "non-abstract device type");
         return NULL;
     }

     obj = object_new(typename);

     object_property_iter_init(&iter, obj);
     while ((prop = object_property_iter_next(&iter))) {
         ObjectPropertyInfo *info;
         ObjectPropertyInfoList *entry;

         /* 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;
         }

         /* Skip legacy properties since they are just string versions of
          * properties that we already list.
          */
         if (strstart(prop->name, "legacy-", NULL)) {
             continue;
         }

         info = g_new0(ObjectPropertyInfo, 1);
         info->name = g_strdup(prop->name);
         info->type = g_strdup(prop->type);
         info->has_description = !!prop->description;
         info->description = g_strdup(prop->description);
         info->default_value = qobject_ref(prop->defval);
         info->has_default_value = !!info->default_value;

         entry = g_malloc0(sizeof(*entry));
         entry->value = info;
         entry->next = prop_list;
         prop_list = entry;
     }

     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 = 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;
 }

 void qmp_object_add(QDict *qdict, QObject **ret_data, Error **errp)
 {
     QObject *props;
     QDict *pdict;
     Visitor *v;
     Object *obj;
     g_autofree char *type = NULL;
     g_autofree char *id = NULL;

     type = g_strdup(qdict_get_try_str(qdict, "qom-type"));
     if (!type) {
         error_setg(errp, QERR_MISSING_PARAMETER, "qom-type");
         return;
     }
     qdict_del(qdict, "qom-type");

     id = g_strdup(qdict_get_try_str(qdict, "id"));
     if (!id) {
         error_setg(errp, QERR_MISSING_PARAMETER, "id");
         return;
     }
     qdict_del(qdict, "id");

     props = qdict_get(qdict, "props");
     if (props) {
         pdict = qobject_to(QDict, props);
         if (!pdict) {
             error_setg(errp, QERR_INVALID_PARAMETER_TYPE, "props", "dict");
             return;
         }
         qobject_ref(pdict);
         qdict_del(qdict, "props");
         qdict_join(qdict, pdict, false);
         if (qdict_size(pdict) != 0) {
             error_setg(errp, "Option in 'props' conflicts with top level");
             qobject_unref(pdict);
             return;
         }
         qobject_unref(pdict);
     }

     v = qobject_input_visitor_new(QOBJECT(qdict));
     obj = user_creatable_add_type(type, id, qdict, v, errp);
     visit_free(v);
     object_unref(obj);
 }

 void qmp_object_del(const char *id, Error **errp)
 {
     user_creatable_del(id, errp);
 }
	/*
	* QMP commands related to QOM
	*
	* Copyright IBM, Corp. 2011
	*
	* Authors:
	* Anthony Liguori <aliguori@us.ibm.com>
	*
	* 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/qdev-core.h"
	#include "qapi/error.h"
	#include "qapi/qapi-commands-qdev.h"
	#include "qapi/qapi-commands-qom.h"
	#include "qapi/qmp/qdict.h"
	#include "qapi/qmp/qerror.h"
	#include "qapi/qobject-input-visitor.h"
	#include "qemu/cutils.h"
	#include "qom/object_interfaces.h"
	#include "qom/qom-qobject.h"

	ObjectPropertyInfoList qmp_qom_list(const char path, Error **errp)
	{
	Object *obj;
	bool ambiguous = false;
	ObjectPropertyInfoList *props = NULL;
	ObjectProperty *prop;
	ObjectPropertyIterator iter;

	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 NULL;
	}

	object_property_iter_init(&iter, obj);
	while ((prop = object_property_iter_next(&iter))) {
	ObjectPropertyInfoList entry = g_malloc0(sizeof(entry));

	entry->value = g_malloc0(sizeof(ObjectPropertyInfo));
	entry->next = props;
	props = entry;

	entry->value->name = g_strdup(prop->name);
	entry->value->type = g_strdup(prop->type);
	}

	return props;
	}

	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, value, property, 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 e, *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->has_parent = true;
	info->parent = g_strdup(object_class_get_name(parent));
	}

	e = g_malloc0(sizeof(*e));
	e->value = info;
	e->next = *pret;
	*pret = e;
	}

	ObjectTypeInfoList *qmp_qom_list_types(bool has_implements,
	const char *implements,
	bool has_abstract,
	bool abstract,
	Error **errp)
	{
	ObjectTypeInfoList *ret = NULL;

	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 = object_class_by_name(typename);
	if (klass == NULL) {
	error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
	"Device '%s' not found", typename);
	return NULL;
	}

	klass = object_class_dynamic_cast(klass, TYPE_DEVICE);
	if (klass == NULL) {
	error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "typename", TYPE_DEVICE);
	return NULL;
	}

	if (object_class_is_abstract(klass)) {
	error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "typename",
	"non-abstract device type");
	return NULL;
	}

	obj = object_new(typename);

	object_property_iter_init(&iter, obj);
	while ((prop = object_property_iter_next(&iter))) {
	ObjectPropertyInfo *info;
	ObjectPropertyInfoList *entry;

	/* 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;
	}

	/* Skip legacy properties since they are just string versions of
	* properties that we already list.
	*/
	if (strstart(prop->name, "legacy-", NULL)) {
	continue;
	}

	info = g_new0(ObjectPropertyInfo, 1);
	info->name = g_strdup(prop->name);
	info->type = g_strdup(prop->type);
	info->has_description = !!prop->description;
	info->description = g_strdup(prop->description);
	info->default_value = qobject_ref(prop->defval);
	info->has_default_value = !!info->default_value;

	entry = g_malloc0(sizeof(*entry));
	entry->value = info;
	entry->next = prop_list;
	prop_list = entry;
	}

	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 = 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;
	}

	void qmp_object_add(QDict qdict, QObject ret_data, Error *errp)
	{
	QObject *props;
	QDict *pdict;
	Visitor *v;
	Object *obj;
	g_autofree char *type = NULL;
	g_autofree char *id = NULL;

	type = g_strdup(qdict_get_try_str(qdict, "qom-type"));
	if (!type) {
	error_setg(errp, QERR_MISSING_PARAMETER, "qom-type");
	return;
	}
	qdict_del(qdict, "qom-type");

	id = g_strdup(qdict_get_try_str(qdict, "id"));
	if (!id) {
	error_setg(errp, QERR_MISSING_PARAMETER, "id");
	return;
	}
	qdict_del(qdict, "id");

	props = qdict_get(qdict, "props");
	if (props) {
	pdict = qobject_to(QDict, props);
	if (!pdict) {
	error_setg(errp, QERR_INVALID_PARAMETER_TYPE, "props", "dict");
	return;
	}
	qobject_ref(pdict);
	qdict_del(qdict, "props");
	qdict_join(qdict, pdict, false);
	if (qdict_size(pdict) != 0) {
	error_setg(errp, "Option in 'props' conflicts with top level");
	qobject_unref(pdict);
	return;
	}
	qobject_unref(pdict);
	}

	v = qobject_input_visitor_new(QOBJECT(qdict));
	obj = user_creatable_add_type(type, id, qdict, v, errp);
	visit_free(v);
	object_unref(obj);
	}

	void qmp_object_del(const char id, Error *errp)
	{
	user_creatable_del(id, errp);
	}