/*
* 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 "hw/qdev.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;
}
/* Return a DevicePropertyInfo for a qdev property.
*
* If a qdev property with the given name does not exist, use the given default
* type. If the qdev property info should not be shown, return NULL.
*
* The caller must free the return value.
*/
static ObjectPropertyInfo *make_device_property_info(ObjectClass *klass,
const char *name,
const char *default_type,
const char *description)
{
ObjectPropertyInfo *info;
Property *prop;
do {
for (prop = DEVICE_CLASS(klass)->props; prop && prop->name; prop++) {
if (strcmp(name, prop->name) != 0) {
continue;
}
/*
* 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 && !prop->info->create) {
return NULL; /* no way to set it, don't show */
}
info = g_malloc0(sizeof(*info));
info->name = g_strdup(prop->name);
info->type = default_type ? g_strdup(default_type)
: g_strdup(prop->info->name);
info->has_description = !!prop->info->description;
info->description = g_strdup(prop->info->description);
return info;
}
klass = object_class_get_parent(klass);
} while (klass != object_class_by_name(TYPE_DEVICE));
/* Not a qdev property, use the default type */
info = g_malloc0(sizeof(*info));
info->name = g_strdup(name);
info->type = g_strdup(default_type);
info->has_description = !!description;
info->description = g_strdup(description);
return info;
}
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 = make_device_property_info(klass, prop->name, prop->type,
prop->description);
if (!info) {
continue;
}
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(const char *type, const char *id,
bool has_props, QObject *props, Error **errp)
{
QDict *pdict;
Visitor *v;
Object *obj;
if (props) {
pdict = qobject_to(QDict, props);
if (!pdict) {
error_setg(errp, QERR_INVALID_PARAMETER_TYPE, "props", "dict");
return;
}
qobject_ref(pdict);
} else {
pdict = qdict_new();
}
v = qobject_input_visitor_new(QOBJECT(pdict));
obj = user_creatable_add_type(type, id, pdict, v, errp);
visit_free(v);
if (obj) {
object_unref(obj);
}
qobject_unref(pdict);
}
void qmp_object_del(const char *id, Error **errp)
{
user_creatable_del(id, errp);
}
