274 lines
7.6 KiB
C
274 lines
7.6 KiB
C
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/*
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* QMP commands related to QOM
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*
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* Copyright IBM, Corp. 2011
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*
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* Authors:
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* Anthony Liguori <aliguori@us.ibm.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2. See
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* the COPYING file in the top-level directory.
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*
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* Contributions after 2012-01-13 are licensed under the terms of the
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* GNU GPL, version 2 or (at your option) any later version.
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*/
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#include "qemu/osdep.h"
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#include "block/qdict.h"
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#include "hw/qdev-core.h"
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#include "qapi/error.h"
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#include "qapi/qapi-commands-qdev.h"
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#include "qapi/qapi-commands-qom.h"
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#include "qapi/qmp/qdict.h"
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#include "qapi/qmp/qerror.h"
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#include "qemu/cutils.h"
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#include "qom/object_interfaces.h"
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#include "qom/qom-qobject.h"
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ObjectPropertyInfoList *qmp_qom_list(const char *path, Error **errp)
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{
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Object *obj;
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bool ambiguous = false;
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ObjectPropertyInfoList *props = NULL;
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ObjectProperty *prop;
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ObjectPropertyIterator iter;
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obj = object_resolve_path(path, &ambiguous);
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if (obj == NULL) {
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if (ambiguous) {
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error_setg(errp, "Path '%s' is ambiguous", path);
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} else {
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error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
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"Device '%s' not found", path);
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}
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return NULL;
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}
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object_property_iter_init(&iter, obj);
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while ((prop = object_property_iter_next(&iter))) {
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ObjectPropertyInfoList *entry = g_malloc0(sizeof(*entry));
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entry->value = g_malloc0(sizeof(ObjectPropertyInfo));
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entry->next = props;
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props = entry;
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entry->value->name = g_strdup(prop->name);
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entry->value->type = g_strdup(prop->type);
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}
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return props;
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}
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void qmp_qom_set(const char *path, const char *property, QObject *value,
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Error **errp)
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{
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Object *obj;
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obj = object_resolve_path(path, NULL);
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if (!obj) {
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error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
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"Device '%s' not found", path);
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return;
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}
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object_property_set_qobject(obj, property, value, errp);
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}
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QObject *qmp_qom_get(const char *path, const char *property, Error **errp)
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{
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Object *obj;
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obj = object_resolve_path(path, NULL);
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if (!obj) {
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error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
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"Device '%s' not found", path);
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return NULL;
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}
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return object_property_get_qobject(obj, property, errp);
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}
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static void qom_list_types_tramp(ObjectClass *klass, void *data)
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{
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ObjectTypeInfoList *e, **pret = data;
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ObjectTypeInfo *info;
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ObjectClass *parent = object_class_get_parent(klass);
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info = g_malloc0(sizeof(*info));
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info->name = g_strdup(object_class_get_name(klass));
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info->has_abstract = info->abstract = object_class_is_abstract(klass);
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if (parent) {
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info->has_parent = true;
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info->parent = g_strdup(object_class_get_name(parent));
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}
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e = g_malloc0(sizeof(*e));
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e->value = info;
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e->next = *pret;
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*pret = e;
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}
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ObjectTypeInfoList *qmp_qom_list_types(bool has_implements,
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const char *implements,
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bool has_abstract,
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bool abstract,
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Error **errp)
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{
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ObjectTypeInfoList *ret = NULL;
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module_load_qom_all();
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object_class_foreach(qom_list_types_tramp, implements, abstract, &ret);
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return ret;
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}
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ObjectPropertyInfoList *qmp_device_list_properties(const char *typename,
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Error **errp)
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{
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ObjectClass *klass;
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Object *obj;
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ObjectProperty *prop;
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ObjectPropertyIterator iter;
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ObjectPropertyInfoList *prop_list = NULL;
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klass = module_object_class_by_name(typename);
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if (klass == NULL) {
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error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
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"Device '%s' not found", typename);
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return NULL;
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}
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klass = object_class_dynamic_cast(klass, TYPE_DEVICE);
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if (klass == NULL) {
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error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "typename", TYPE_DEVICE);
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return NULL;
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}
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if (object_class_is_abstract(klass)) {
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error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "typename",
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"non-abstract device type");
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return NULL;
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}
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obj = object_new(typename);
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object_property_iter_init(&iter, obj);
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while ((prop = object_property_iter_next(&iter))) {
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ObjectPropertyInfo *info;
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ObjectPropertyInfoList *entry;
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/* Skip Object and DeviceState properties */
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if (strcmp(prop->name, "type") == 0 ||
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strcmp(prop->name, "realized") == 0 ||
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strcmp(prop->name, "hotpluggable") == 0 ||
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strcmp(prop->name, "hotplugged") == 0 ||
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strcmp(prop->name, "parent_bus") == 0) {
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continue;
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}
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/* Skip legacy properties since they are just string versions of
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* properties that we already list.
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*/
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if (strstart(prop->name, "legacy-", NULL)) {
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continue;
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}
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info = g_new0(ObjectPropertyInfo, 1);
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info->name = g_strdup(prop->name);
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info->type = g_strdup(prop->type);
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info->has_description = !!prop->description;
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info->description = g_strdup(prop->description);
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info->default_value = qobject_ref(prop->defval);
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info->has_default_value = !!info->default_value;
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entry = g_malloc0(sizeof(*entry));
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entry->value = info;
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entry->next = prop_list;
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prop_list = entry;
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}
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object_unref(obj);
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return prop_list;
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}
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ObjectPropertyInfoList *qmp_qom_list_properties(const char *typename,
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Error **errp)
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{
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ObjectClass *klass;
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Object *obj = NULL;
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ObjectProperty *prop;
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ObjectPropertyIterator iter;
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ObjectPropertyInfoList *prop_list = NULL;
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klass = object_class_by_name(typename);
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if (klass == NULL) {
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error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
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"Class '%s' not found", typename);
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return NULL;
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}
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klass = object_class_dynamic_cast(klass, TYPE_OBJECT);
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if (klass == NULL) {
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error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "typename", TYPE_OBJECT);
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return NULL;
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}
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if (object_class_is_abstract(klass)) {
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object_class_property_iter_init(&iter, klass);
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} else {
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obj = object_new(typename);
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object_property_iter_init(&iter, obj);
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}
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while ((prop = object_property_iter_next(&iter))) {
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ObjectPropertyInfo *info;
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ObjectPropertyInfoList *entry;
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info = g_malloc0(sizeof(*info));
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info->name = g_strdup(prop->name);
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info->type = g_strdup(prop->type);
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info->has_description = !!prop->description;
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info->description = g_strdup(prop->description);
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entry = g_malloc0(sizeof(*entry));
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entry->value = info;
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entry->next = prop_list;
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prop_list = entry;
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}
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object_unref(obj);
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return prop_list;
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}
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void qmp_object_add(QDict *qdict, QObject **ret_data, Error **errp)
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{
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QObject *props;
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QDict *pdict;
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props = qdict_get(qdict, "props");
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if (props) {
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pdict = qobject_to(QDict, props);
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if (!pdict) {
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error_setg(errp, QERR_INVALID_PARAMETER_TYPE, "props", "dict");
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return;
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}
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qobject_ref(pdict);
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qdict_del(qdict, "props");
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qdict_join(qdict, pdict, false);
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if (qdict_size(pdict) != 0) {
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error_setg(errp, "Option in 'props' conflicts with top level");
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qobject_unref(pdict);
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return;
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}
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qobject_unref(pdict);
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}
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user_creatable_add_dict(qdict, false, errp);
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}
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void qmp_object_del(const char *id, Error **errp)
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{
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user_creatable_del(id, errp);
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}
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