12f28d2ffSAnthony Liguori /* 22f28d2ffSAnthony Liguori * QEMU Object Model 32f28d2ffSAnthony Liguori * 42f28d2ffSAnthony Liguori * Copyright IBM, Corp. 2011 52f28d2ffSAnthony Liguori * 62f28d2ffSAnthony Liguori * Authors: 72f28d2ffSAnthony Liguori * Anthony Liguori <aliguori@us.ibm.com> 82f28d2ffSAnthony Liguori * 92f28d2ffSAnthony Liguori * This work is licensed under the terms of the GNU GPL, version 2 or later. 102f28d2ffSAnthony Liguori * See the COPYING file in the top-level directory. 112f28d2ffSAnthony Liguori */ 122f28d2ffSAnthony Liguori 132f28d2ffSAnthony Liguori #include "qemu/object.h" 142f28d2ffSAnthony Liguori #include "qemu-common.h" 1557c9fafeSAnthony Liguori #include "qapi/qapi-visit-core.h" 16b2cd7deeSPaolo Bonzini #include "qapi/string-input-visitor.h" 17b2cd7deeSPaolo Bonzini #include "qapi/string-output-visitor.h" 182f28d2ffSAnthony Liguori 197b7b7d18SPaolo Bonzini /* TODO: replace QObject with a simpler visitor to avoid a dependency 207b7b7d18SPaolo Bonzini * of the QOM core on QObject? */ 217b7b7d18SPaolo Bonzini #include "qemu/qom-qobject.h" 227b7b7d18SPaolo Bonzini #include "qobject.h" 237b7b7d18SPaolo Bonzini #include "qbool.h" 247b7b7d18SPaolo Bonzini #include "qint.h" 257b7b7d18SPaolo Bonzini #include "qstring.h" 267b7b7d18SPaolo Bonzini 272f28d2ffSAnthony Liguori #define MAX_INTERFACES 32 282f28d2ffSAnthony Liguori 292f28d2ffSAnthony Liguori typedef struct InterfaceImpl InterfaceImpl; 302f28d2ffSAnthony Liguori typedef struct TypeImpl TypeImpl; 312f28d2ffSAnthony Liguori 322f28d2ffSAnthony Liguori struct InterfaceImpl 332f28d2ffSAnthony Liguori { 3433e95c63SAnthony Liguori const char *typename; 352f28d2ffSAnthony Liguori }; 362f28d2ffSAnthony Liguori 372f28d2ffSAnthony Liguori struct TypeImpl 382f28d2ffSAnthony Liguori { 392f28d2ffSAnthony Liguori const char *name; 402f28d2ffSAnthony Liguori 412f28d2ffSAnthony Liguori size_t class_size; 422f28d2ffSAnthony Liguori 432f28d2ffSAnthony Liguori size_t instance_size; 442f28d2ffSAnthony Liguori 452f28d2ffSAnthony Liguori void (*class_init)(ObjectClass *klass, void *data); 463b50e311SPaolo Bonzini void (*class_base_init)(ObjectClass *klass, void *data); 472f28d2ffSAnthony Liguori void (*class_finalize)(ObjectClass *klass, void *data); 482f28d2ffSAnthony Liguori 492f28d2ffSAnthony Liguori void *class_data; 502f28d2ffSAnthony Liguori 512f28d2ffSAnthony Liguori void (*instance_init)(Object *obj); 522f28d2ffSAnthony Liguori void (*instance_finalize)(Object *obj); 532f28d2ffSAnthony Liguori 542f28d2ffSAnthony Liguori bool abstract; 552f28d2ffSAnthony Liguori 562f28d2ffSAnthony Liguori const char *parent; 572f28d2ffSAnthony Liguori TypeImpl *parent_type; 582f28d2ffSAnthony Liguori 592f28d2ffSAnthony Liguori ObjectClass *class; 602f28d2ffSAnthony Liguori 612f28d2ffSAnthony Liguori int num_interfaces; 622f28d2ffSAnthony Liguori InterfaceImpl interfaces[MAX_INTERFACES]; 632f28d2ffSAnthony Liguori }; 642f28d2ffSAnthony Liguori 659970bd88SPaolo Bonzini static Type type_interface; 669970bd88SPaolo Bonzini 672f28d2ffSAnthony Liguori static GHashTable *type_table_get(void) 682f28d2ffSAnthony Liguori { 692f28d2ffSAnthony Liguori static GHashTable *type_table; 702f28d2ffSAnthony Liguori 712f28d2ffSAnthony Liguori if (type_table == NULL) { 722f28d2ffSAnthony Liguori type_table = g_hash_table_new(g_str_hash, g_str_equal); 732f28d2ffSAnthony Liguori } 742f28d2ffSAnthony Liguori 752f28d2ffSAnthony Liguori return type_table; 762f28d2ffSAnthony Liguori } 772f28d2ffSAnthony Liguori 782f28d2ffSAnthony Liguori static void type_table_add(TypeImpl *ti) 792f28d2ffSAnthony Liguori { 802f28d2ffSAnthony Liguori g_hash_table_insert(type_table_get(), (void *)ti->name, ti); 812f28d2ffSAnthony Liguori } 822f28d2ffSAnthony Liguori 832f28d2ffSAnthony Liguori static TypeImpl *type_table_lookup(const char *name) 842f28d2ffSAnthony Liguori { 852f28d2ffSAnthony Liguori return g_hash_table_lookup(type_table_get(), name); 862f28d2ffSAnthony Liguori } 872f28d2ffSAnthony Liguori 88049cb3cfSPaolo Bonzini static TypeImpl *type_register_internal(const TypeInfo *info) 892f28d2ffSAnthony Liguori { 902f28d2ffSAnthony Liguori TypeImpl *ti = g_malloc0(sizeof(*ti)); 9133e95c63SAnthony Liguori int i; 922f28d2ffSAnthony Liguori 932f28d2ffSAnthony Liguori g_assert(info->name != NULL); 942f28d2ffSAnthony Liguori 9573093354SAnthony Liguori if (type_table_lookup(info->name) != NULL) { 9673093354SAnthony Liguori fprintf(stderr, "Registering `%s' which already exists\n", info->name); 9773093354SAnthony Liguori abort(); 9873093354SAnthony Liguori } 9973093354SAnthony Liguori 1002f28d2ffSAnthony Liguori ti->name = g_strdup(info->name); 1012f28d2ffSAnthony Liguori ti->parent = g_strdup(info->parent); 1022f28d2ffSAnthony Liguori 1032f28d2ffSAnthony Liguori ti->class_size = info->class_size; 1042f28d2ffSAnthony Liguori ti->instance_size = info->instance_size; 1052f28d2ffSAnthony Liguori 1062f28d2ffSAnthony Liguori ti->class_init = info->class_init; 1073b50e311SPaolo Bonzini ti->class_base_init = info->class_base_init; 1082f28d2ffSAnthony Liguori ti->class_finalize = info->class_finalize; 1092f28d2ffSAnthony Liguori ti->class_data = info->class_data; 1102f28d2ffSAnthony Liguori 1112f28d2ffSAnthony Liguori ti->instance_init = info->instance_init; 1122f28d2ffSAnthony Liguori ti->instance_finalize = info->instance_finalize; 1132f28d2ffSAnthony Liguori 1142f28d2ffSAnthony Liguori ti->abstract = info->abstract; 1152f28d2ffSAnthony Liguori 11633e95c63SAnthony Liguori for (i = 0; info->interfaces && info->interfaces[i].type; i++) { 11733e95c63SAnthony Liguori ti->interfaces[i].typename = g_strdup(info->interfaces[i].type); 1182f28d2ffSAnthony Liguori } 11933e95c63SAnthony Liguori ti->num_interfaces = i; 1202f28d2ffSAnthony Liguori 1212f28d2ffSAnthony Liguori type_table_add(ti); 1222f28d2ffSAnthony Liguori 1232f28d2ffSAnthony Liguori return ti; 1242f28d2ffSAnthony Liguori } 1252f28d2ffSAnthony Liguori 126049cb3cfSPaolo Bonzini TypeImpl *type_register(const TypeInfo *info) 127049cb3cfSPaolo Bonzini { 128049cb3cfSPaolo Bonzini assert(info->parent); 129049cb3cfSPaolo Bonzini return type_register_internal(info); 130049cb3cfSPaolo Bonzini } 131049cb3cfSPaolo Bonzini 1322f28d2ffSAnthony Liguori TypeImpl *type_register_static(const TypeInfo *info) 1332f28d2ffSAnthony Liguori { 1342f28d2ffSAnthony Liguori return type_register(info); 1352f28d2ffSAnthony Liguori } 1362f28d2ffSAnthony Liguori 1372f28d2ffSAnthony Liguori static TypeImpl *type_get_by_name(const char *name) 1382f28d2ffSAnthony Liguori { 1392f28d2ffSAnthony Liguori if (name == NULL) { 1402f28d2ffSAnthony Liguori return NULL; 1412f28d2ffSAnthony Liguori } 1422f28d2ffSAnthony Liguori 1432f28d2ffSAnthony Liguori return type_table_lookup(name); 1442f28d2ffSAnthony Liguori } 1452f28d2ffSAnthony Liguori 1462f28d2ffSAnthony Liguori static TypeImpl *type_get_parent(TypeImpl *type) 1472f28d2ffSAnthony Liguori { 1482f28d2ffSAnthony Liguori if (!type->parent_type && type->parent) { 1492f28d2ffSAnthony Liguori type->parent_type = type_get_by_name(type->parent); 1502f28d2ffSAnthony Liguori g_assert(type->parent_type != NULL); 1512f28d2ffSAnthony Liguori } 1522f28d2ffSAnthony Liguori 1532f28d2ffSAnthony Liguori return type->parent_type; 1542f28d2ffSAnthony Liguori } 1552f28d2ffSAnthony Liguori 1562f28d2ffSAnthony Liguori static bool type_has_parent(TypeImpl *type) 1572f28d2ffSAnthony Liguori { 1582f28d2ffSAnthony Liguori return (type->parent != NULL); 1592f28d2ffSAnthony Liguori } 1602f28d2ffSAnthony Liguori 1612f28d2ffSAnthony Liguori static size_t type_class_get_size(TypeImpl *ti) 1622f28d2ffSAnthony Liguori { 1632f28d2ffSAnthony Liguori if (ti->class_size) { 1642f28d2ffSAnthony Liguori return ti->class_size; 1652f28d2ffSAnthony Liguori } 1662f28d2ffSAnthony Liguori 1672f28d2ffSAnthony Liguori if (type_has_parent(ti)) { 1682f28d2ffSAnthony Liguori return type_class_get_size(type_get_parent(ti)); 1692f28d2ffSAnthony Liguori } 1702f28d2ffSAnthony Liguori 1712f28d2ffSAnthony Liguori return sizeof(ObjectClass); 1722f28d2ffSAnthony Liguori } 1732f28d2ffSAnthony Liguori 174aca59af6SIgor Mitsyanko static size_t type_object_get_size(TypeImpl *ti) 175aca59af6SIgor Mitsyanko { 176aca59af6SIgor Mitsyanko if (ti->instance_size) { 177aca59af6SIgor Mitsyanko return ti->instance_size; 178aca59af6SIgor Mitsyanko } 179aca59af6SIgor Mitsyanko 180aca59af6SIgor Mitsyanko if (type_has_parent(ti)) { 181aca59af6SIgor Mitsyanko return type_object_get_size(type_get_parent(ti)); 182aca59af6SIgor Mitsyanko } 183aca59af6SIgor Mitsyanko 184aca59af6SIgor Mitsyanko return 0; 185aca59af6SIgor Mitsyanko } 186aca59af6SIgor Mitsyanko 18733e95c63SAnthony Liguori static bool type_is_ancestor(TypeImpl *type, TypeImpl *target_type) 1882f28d2ffSAnthony Liguori { 18933e95c63SAnthony Liguori assert(target_type); 1902f28d2ffSAnthony Liguori 19133e95c63SAnthony Liguori /* Check if typename is a direct ancestor of type */ 19233e95c63SAnthony Liguori while (type) { 19333e95c63SAnthony Liguori if (type == target_type) { 19433e95c63SAnthony Liguori return true; 19533e95c63SAnthony Liguori } 19633e95c63SAnthony Liguori 19733e95c63SAnthony Liguori type = type_get_parent(type); 19833e95c63SAnthony Liguori } 19933e95c63SAnthony Liguori 20033e95c63SAnthony Liguori return false; 20133e95c63SAnthony Liguori } 20233e95c63SAnthony Liguori 20333e95c63SAnthony Liguori static void type_initialize(TypeImpl *ti); 20433e95c63SAnthony Liguori 20533e95c63SAnthony Liguori static void type_initialize_interface(TypeImpl *ti, const char *parent) 20633e95c63SAnthony Liguori { 20733e95c63SAnthony Liguori InterfaceClass *new_iface; 20833e95c63SAnthony Liguori TypeInfo info = { }; 20933e95c63SAnthony Liguori TypeImpl *iface_impl; 21033e95c63SAnthony Liguori 21133e95c63SAnthony Liguori info.parent = parent; 21233e95c63SAnthony Liguori info.name = g_strdup_printf("%s::%s", ti->name, info.parent); 21333e95c63SAnthony Liguori info.abstract = true; 21433e95c63SAnthony Liguori 21533e95c63SAnthony Liguori iface_impl = type_register(&info); 21633e95c63SAnthony Liguori type_initialize(iface_impl); 21733e95c63SAnthony Liguori g_free((char *)info.name); 21833e95c63SAnthony Liguori 21933e95c63SAnthony Liguori new_iface = (InterfaceClass *)iface_impl->class; 22033e95c63SAnthony Liguori new_iface->concrete_class = ti->class; 22133e95c63SAnthony Liguori 22233e95c63SAnthony Liguori ti->class->interfaces = g_slist_append(ti->class->interfaces, 22333e95c63SAnthony Liguori iface_impl->class); 2242f28d2ffSAnthony Liguori } 2252f28d2ffSAnthony Liguori 226ac451033SIgor Mitsyanko static void type_initialize(TypeImpl *ti) 2272f28d2ffSAnthony Liguori { 228745549c8SPaolo Bonzini TypeImpl *parent; 2292f28d2ffSAnthony Liguori 2302f28d2ffSAnthony Liguori if (ti->class) { 2312f28d2ffSAnthony Liguori return; 2322f28d2ffSAnthony Liguori } 2332f28d2ffSAnthony Liguori 2342f28d2ffSAnthony Liguori ti->class_size = type_class_get_size(ti); 235aca59af6SIgor Mitsyanko ti->instance_size = type_object_get_size(ti); 2362f28d2ffSAnthony Liguori 2372f28d2ffSAnthony Liguori ti->class = g_malloc0(ti->class_size); 2382f28d2ffSAnthony Liguori 239745549c8SPaolo Bonzini parent = type_get_parent(ti); 240745549c8SPaolo Bonzini if (parent) { 241ac451033SIgor Mitsyanko type_initialize(parent); 24233e95c63SAnthony Liguori GSList *e; 24333e95c63SAnthony Liguori int i; 2442f28d2ffSAnthony Liguori 2452f28d2ffSAnthony Liguori g_assert(parent->class_size <= ti->class_size); 246745549c8SPaolo Bonzini memcpy(ti->class, parent->class, parent->class_size); 24733e95c63SAnthony Liguori 24833e95c63SAnthony Liguori for (e = parent->class->interfaces; e; e = e->next) { 24933e95c63SAnthony Liguori ObjectClass *iface = e->data; 25033e95c63SAnthony Liguori type_initialize_interface(ti, object_class_get_name(iface)); 25133e95c63SAnthony Liguori } 25233e95c63SAnthony Liguori 25333e95c63SAnthony Liguori for (i = 0; i < ti->num_interfaces; i++) { 25433e95c63SAnthony Liguori TypeImpl *t = type_get_by_name(ti->interfaces[i].typename); 25533e95c63SAnthony Liguori for (e = ti->class->interfaces; e; e = e->next) { 25633e95c63SAnthony Liguori TypeImpl *target_type = OBJECT_CLASS(e->data)->type; 25733e95c63SAnthony Liguori 25833e95c63SAnthony Liguori if (type_is_ancestor(target_type, t)) { 25933e95c63SAnthony Liguori break; 26033e95c63SAnthony Liguori } 26133e95c63SAnthony Liguori } 26233e95c63SAnthony Liguori 26333e95c63SAnthony Liguori if (e) { 26433e95c63SAnthony Liguori continue; 26533e95c63SAnthony Liguori } 26633e95c63SAnthony Liguori 26733e95c63SAnthony Liguori type_initialize_interface(ti, ti->interfaces[i].typename); 26833e95c63SAnthony Liguori } 269745549c8SPaolo Bonzini } 2702f28d2ffSAnthony Liguori 271745549c8SPaolo Bonzini ti->class->type = ti; 2723b50e311SPaolo Bonzini 2733b50e311SPaolo Bonzini while (parent) { 2743b50e311SPaolo Bonzini if (parent->class_base_init) { 2753b50e311SPaolo Bonzini parent->class_base_init(ti->class, ti->class_data); 2763b50e311SPaolo Bonzini } 2773b50e311SPaolo Bonzini parent = type_get_parent(parent); 2783b50e311SPaolo Bonzini } 2792f28d2ffSAnthony Liguori 2802f28d2ffSAnthony Liguori if (ti->class_init) { 2812f28d2ffSAnthony Liguori ti->class_init(ti->class, ti->class_data); 2822f28d2ffSAnthony Liguori } 2832f28d2ffSAnthony Liguori 2842f28d2ffSAnthony Liguori 2852f28d2ffSAnthony Liguori } 2862f28d2ffSAnthony Liguori 2872f28d2ffSAnthony Liguori static void object_init_with_type(Object *obj, TypeImpl *ti) 2882f28d2ffSAnthony Liguori { 2892f28d2ffSAnthony Liguori if (type_has_parent(ti)) { 2902f28d2ffSAnthony Liguori object_init_with_type(obj, type_get_parent(ti)); 2912f28d2ffSAnthony Liguori } 2922f28d2ffSAnthony Liguori 2932f28d2ffSAnthony Liguori if (ti->instance_init) { 2942f28d2ffSAnthony Liguori ti->instance_init(obj); 2952f28d2ffSAnthony Liguori } 2962f28d2ffSAnthony Liguori } 2972f28d2ffSAnthony Liguori 2982f28d2ffSAnthony Liguori void object_initialize_with_type(void *data, TypeImpl *type) 2992f28d2ffSAnthony Liguori { 3002f28d2ffSAnthony Liguori Object *obj = data; 3012f28d2ffSAnthony Liguori 3022f28d2ffSAnthony Liguori g_assert(type != NULL); 303ac451033SIgor Mitsyanko type_initialize(type); 304aca59af6SIgor Mitsyanko 305aca59af6SIgor Mitsyanko g_assert(type->instance_size >= sizeof(Object)); 3062f28d2ffSAnthony Liguori g_assert(type->abstract == false); 3072f28d2ffSAnthony Liguori 3082f28d2ffSAnthony Liguori memset(obj, 0, type->instance_size); 3092f28d2ffSAnthony Liguori obj->class = type->class; 310764b6312SPaolo Bonzini object_ref(obj); 31157c9fafeSAnthony Liguori QTAILQ_INIT(&obj->properties); 3122f28d2ffSAnthony Liguori object_init_with_type(obj, type); 3132f28d2ffSAnthony Liguori } 3142f28d2ffSAnthony Liguori 3152f28d2ffSAnthony Liguori void object_initialize(void *data, const char *typename) 3162f28d2ffSAnthony Liguori { 3172f28d2ffSAnthony Liguori TypeImpl *type = type_get_by_name(typename); 3182f28d2ffSAnthony Liguori 3192f28d2ffSAnthony Liguori object_initialize_with_type(data, type); 3202f28d2ffSAnthony Liguori } 3212f28d2ffSAnthony Liguori 3225d9d3f47SAndreas Färber static inline bool object_property_is_child(ObjectProperty *prop) 3235d9d3f47SAndreas Färber { 3245d9d3f47SAndreas Färber return strstart(prop->type, "child<", NULL); 3255d9d3f47SAndreas Färber } 3265d9d3f47SAndreas Färber 3275d9d3f47SAndreas Färber static inline bool object_property_is_link(ObjectProperty *prop) 3285d9d3f47SAndreas Färber { 3295d9d3f47SAndreas Färber return strstart(prop->type, "link<", NULL); 3305d9d3f47SAndreas Färber } 3315d9d3f47SAndreas Färber 33257c9fafeSAnthony Liguori static void object_property_del_all(Object *obj) 33357c9fafeSAnthony Liguori { 33457c9fafeSAnthony Liguori while (!QTAILQ_EMPTY(&obj->properties)) { 33557c9fafeSAnthony Liguori ObjectProperty *prop = QTAILQ_FIRST(&obj->properties); 33657c9fafeSAnthony Liguori 33757c9fafeSAnthony Liguori QTAILQ_REMOVE(&obj->properties, prop, node); 33857c9fafeSAnthony Liguori 33957c9fafeSAnthony Liguori if (prop->release) { 34057c9fafeSAnthony Liguori prop->release(obj, prop->name, prop->opaque); 34157c9fafeSAnthony Liguori } 34257c9fafeSAnthony Liguori 34357c9fafeSAnthony Liguori g_free(prop->name); 34457c9fafeSAnthony Liguori g_free(prop->type); 34557c9fafeSAnthony Liguori g_free(prop); 34657c9fafeSAnthony Liguori } 34757c9fafeSAnthony Liguori } 34857c9fafeSAnthony Liguori 34957c9fafeSAnthony Liguori static void object_property_del_child(Object *obj, Object *child, Error **errp) 35057c9fafeSAnthony Liguori { 35157c9fafeSAnthony Liguori ObjectProperty *prop; 35257c9fafeSAnthony Liguori 35357c9fafeSAnthony Liguori QTAILQ_FOREACH(prop, &obj->properties, node) { 3545d9d3f47SAndreas Färber if (object_property_is_child(prop) && prop->opaque == child) { 35557c9fafeSAnthony Liguori object_property_del(obj, prop->name, errp); 3566c1fdcf9SPaolo Bonzini break; 35757c9fafeSAnthony Liguori } 35857c9fafeSAnthony Liguori } 35957c9fafeSAnthony Liguori } 36057c9fafeSAnthony Liguori 36157c9fafeSAnthony Liguori void object_unparent(Object *obj) 36257c9fafeSAnthony Liguori { 36357c9fafeSAnthony Liguori if (obj->parent) { 36457c9fafeSAnthony Liguori object_property_del_child(obj->parent, obj, NULL); 36557c9fafeSAnthony Liguori } 366*667d22d1SPaolo Bonzini if (obj->class->unparent) { 367*667d22d1SPaolo Bonzini (obj->class->unparent)(obj); 368*667d22d1SPaolo Bonzini } 36957c9fafeSAnthony Liguori } 37057c9fafeSAnthony Liguori 3712f28d2ffSAnthony Liguori static void object_deinit(Object *obj, TypeImpl *type) 3722f28d2ffSAnthony Liguori { 3732f28d2ffSAnthony Liguori if (type->instance_finalize) { 3742f28d2ffSAnthony Liguori type->instance_finalize(obj); 3752f28d2ffSAnthony Liguori } 3762f28d2ffSAnthony Liguori 3772f28d2ffSAnthony Liguori if (type_has_parent(type)) { 3782f28d2ffSAnthony Liguori object_deinit(obj, type_get_parent(type)); 3792f28d2ffSAnthony Liguori } 3802f28d2ffSAnthony Liguori } 3812f28d2ffSAnthony Liguori 3822f28d2ffSAnthony Liguori void object_finalize(void *data) 3832f28d2ffSAnthony Liguori { 3842f28d2ffSAnthony Liguori Object *obj = data; 3852f28d2ffSAnthony Liguori TypeImpl *ti = obj->class->type; 3862f28d2ffSAnthony Liguori 3872f28d2ffSAnthony Liguori object_deinit(obj, ti); 38857c9fafeSAnthony Liguori object_property_del_all(obj); 389db85b575SAnthony Liguori 390db85b575SAnthony Liguori g_assert(obj->ref == 0); 3912f28d2ffSAnthony Liguori } 3922f28d2ffSAnthony Liguori 3932f28d2ffSAnthony Liguori Object *object_new_with_type(Type type) 3942f28d2ffSAnthony Liguori { 3952f28d2ffSAnthony Liguori Object *obj; 3962f28d2ffSAnthony Liguori 3972f28d2ffSAnthony Liguori g_assert(type != NULL); 398ac451033SIgor Mitsyanko type_initialize(type); 3992f28d2ffSAnthony Liguori 4002f28d2ffSAnthony Liguori obj = g_malloc(type->instance_size); 4012f28d2ffSAnthony Liguori object_initialize_with_type(obj, type); 4022f28d2ffSAnthony Liguori 4032f28d2ffSAnthony Liguori return obj; 4042f28d2ffSAnthony Liguori } 4052f28d2ffSAnthony Liguori 4062f28d2ffSAnthony Liguori Object *object_new(const char *typename) 4072f28d2ffSAnthony Liguori { 4082f28d2ffSAnthony Liguori TypeImpl *ti = type_get_by_name(typename); 4092f28d2ffSAnthony Liguori 4102f28d2ffSAnthony Liguori return object_new_with_type(ti); 4112f28d2ffSAnthony Liguori } 4122f28d2ffSAnthony Liguori 4132f28d2ffSAnthony Liguori void object_delete(Object *obj) 4142f28d2ffSAnthony Liguori { 415da5a44e8SPaolo Bonzini object_unparent(obj); 416da5a44e8SPaolo Bonzini g_assert(obj->ref == 1); 417db85b575SAnthony Liguori object_unref(obj); 4182f28d2ffSAnthony Liguori g_free(obj); 4192f28d2ffSAnthony Liguori } 4202f28d2ffSAnthony Liguori 4212f28d2ffSAnthony Liguori Object *object_dynamic_cast(Object *obj, const char *typename) 4222f28d2ffSAnthony Liguori { 423b7f43fe4SPaolo Bonzini if (obj && object_class_dynamic_cast(object_get_class(obj), typename)) { 424acc4af3fSPaolo Bonzini return obj; 425acc4af3fSPaolo Bonzini } 426acc4af3fSPaolo Bonzini 4272f28d2ffSAnthony Liguori return NULL; 4282f28d2ffSAnthony Liguori } 4292f28d2ffSAnthony Liguori 4302f28d2ffSAnthony Liguori Object *object_dynamic_cast_assert(Object *obj, const char *typename) 4312f28d2ffSAnthony Liguori { 4322f28d2ffSAnthony Liguori Object *inst; 4332f28d2ffSAnthony Liguori 4342f28d2ffSAnthony Liguori inst = object_dynamic_cast(obj, typename); 4352f28d2ffSAnthony Liguori 436b7f43fe4SPaolo Bonzini if (!inst && obj) { 4372f28d2ffSAnthony Liguori fprintf(stderr, "Object %p is not an instance of type %s\n", 4382f28d2ffSAnthony Liguori obj, typename); 4392f28d2ffSAnthony Liguori abort(); 4402f28d2ffSAnthony Liguori } 4412f28d2ffSAnthony Liguori 4422f28d2ffSAnthony Liguori return inst; 4432f28d2ffSAnthony Liguori } 4442f28d2ffSAnthony Liguori 4452f28d2ffSAnthony Liguori ObjectClass *object_class_dynamic_cast(ObjectClass *class, 4462f28d2ffSAnthony Liguori const char *typename) 4472f28d2ffSAnthony Liguori { 4482f28d2ffSAnthony Liguori TypeImpl *target_type = type_get_by_name(typename); 4492f28d2ffSAnthony Liguori TypeImpl *type = class->type; 45033e95c63SAnthony Liguori ObjectClass *ret = NULL; 4512f28d2ffSAnthony Liguori 45233e95c63SAnthony Liguori if (type->num_interfaces && type_is_ancestor(target_type, type_interface)) { 45333e95c63SAnthony Liguori int found = 0; 45433e95c63SAnthony Liguori GSList *i; 45533e95c63SAnthony Liguori 45633e95c63SAnthony Liguori for (i = class->interfaces; i; i = i->next) { 45733e95c63SAnthony Liguori ObjectClass *target_class = i->data; 45833e95c63SAnthony Liguori 45933e95c63SAnthony Liguori if (type_is_ancestor(target_class->type, target_type)) { 46033e95c63SAnthony Liguori ret = target_class; 46133e95c63SAnthony Liguori found++; 46233e95c63SAnthony Liguori } 4632f28d2ffSAnthony Liguori } 4642f28d2ffSAnthony Liguori 46533e95c63SAnthony Liguori /* The match was ambiguous, don't allow a cast */ 46633e95c63SAnthony Liguori if (found > 1) { 46733e95c63SAnthony Liguori ret = NULL; 46833e95c63SAnthony Liguori } 46933e95c63SAnthony Liguori } else if (type_is_ancestor(type, target_type)) { 47033e95c63SAnthony Liguori ret = class; 4712f28d2ffSAnthony Liguori } 4722f28d2ffSAnthony Liguori 47333e95c63SAnthony Liguori return ret; 4742f28d2ffSAnthony Liguori } 4752f28d2ffSAnthony Liguori 4762f28d2ffSAnthony Liguori ObjectClass *object_class_dynamic_cast_assert(ObjectClass *class, 4772f28d2ffSAnthony Liguori const char *typename) 4782f28d2ffSAnthony Liguori { 4792f28d2ffSAnthony Liguori ObjectClass *ret = object_class_dynamic_cast(class, typename); 4802f28d2ffSAnthony Liguori 4812f28d2ffSAnthony Liguori if (!ret) { 4822f28d2ffSAnthony Liguori fprintf(stderr, "Object %p is not an instance of type %s\n", 4832f28d2ffSAnthony Liguori class, typename); 4842f28d2ffSAnthony Liguori abort(); 4852f28d2ffSAnthony Liguori } 4862f28d2ffSAnthony Liguori 4872f28d2ffSAnthony Liguori return ret; 4882f28d2ffSAnthony Liguori } 4892f28d2ffSAnthony Liguori 4902f28d2ffSAnthony Liguori const char *object_get_typename(Object *obj) 4912f28d2ffSAnthony Liguori { 4922f28d2ffSAnthony Liguori return obj->class->type->name; 4932f28d2ffSAnthony Liguori } 4942f28d2ffSAnthony Liguori 4952f28d2ffSAnthony Liguori ObjectClass *object_get_class(Object *obj) 4962f28d2ffSAnthony Liguori { 4972f28d2ffSAnthony Liguori return obj->class; 4982f28d2ffSAnthony Liguori } 4992f28d2ffSAnthony Liguori 5002f28d2ffSAnthony Liguori const char *object_class_get_name(ObjectClass *klass) 5012f28d2ffSAnthony Liguori { 5022f28d2ffSAnthony Liguori return klass->type->name; 5032f28d2ffSAnthony Liguori } 5042f28d2ffSAnthony Liguori 5052f28d2ffSAnthony Liguori ObjectClass *object_class_by_name(const char *typename) 5062f28d2ffSAnthony Liguori { 5072f28d2ffSAnthony Liguori TypeImpl *type = type_get_by_name(typename); 5082f28d2ffSAnthony Liguori 5092f28d2ffSAnthony Liguori if (!type) { 5102f28d2ffSAnthony Liguori return NULL; 5112f28d2ffSAnthony Liguori } 5122f28d2ffSAnthony Liguori 513ac451033SIgor Mitsyanko type_initialize(type); 5142f28d2ffSAnthony Liguori 5152f28d2ffSAnthony Liguori return type->class; 5162f28d2ffSAnthony Liguori } 5172f28d2ffSAnthony Liguori 518e7cce67fSPaolo Bonzini ObjectClass *object_class_get_parent(ObjectClass *class) 519e7cce67fSPaolo Bonzini { 520e7cce67fSPaolo Bonzini TypeImpl *type = type_get_parent(class->type); 521e7cce67fSPaolo Bonzini 522e7cce67fSPaolo Bonzini if (!type) { 523e7cce67fSPaolo Bonzini return NULL; 524e7cce67fSPaolo Bonzini } 525e7cce67fSPaolo Bonzini 526e7cce67fSPaolo Bonzini type_initialize(type); 527e7cce67fSPaolo Bonzini 528e7cce67fSPaolo Bonzini return type->class; 529e7cce67fSPaolo Bonzini } 530e7cce67fSPaolo Bonzini 5312f28d2ffSAnthony Liguori typedef struct OCFData 5322f28d2ffSAnthony Liguori { 5332f28d2ffSAnthony Liguori void (*fn)(ObjectClass *klass, void *opaque); 53493c511a1SAnthony Liguori const char *implements_type; 53593c511a1SAnthony Liguori bool include_abstract; 5362f28d2ffSAnthony Liguori void *opaque; 5372f28d2ffSAnthony Liguori } OCFData; 5382f28d2ffSAnthony Liguori 5392f28d2ffSAnthony Liguori static void object_class_foreach_tramp(gpointer key, gpointer value, 5402f28d2ffSAnthony Liguori gpointer opaque) 5412f28d2ffSAnthony Liguori { 5422f28d2ffSAnthony Liguori OCFData *data = opaque; 5432f28d2ffSAnthony Liguori TypeImpl *type = value; 54493c511a1SAnthony Liguori ObjectClass *k; 5452f28d2ffSAnthony Liguori 546ac451033SIgor Mitsyanko type_initialize(type); 54793c511a1SAnthony Liguori k = type->class; 5482f28d2ffSAnthony Liguori 54993c511a1SAnthony Liguori if (!data->include_abstract && type->abstract) { 55093c511a1SAnthony Liguori return; 55193c511a1SAnthony Liguori } 55293c511a1SAnthony Liguori 55393c511a1SAnthony Liguori if (data->implements_type && 55493c511a1SAnthony Liguori !object_class_dynamic_cast(k, data->implements_type)) { 55593c511a1SAnthony Liguori return; 55693c511a1SAnthony Liguori } 55793c511a1SAnthony Liguori 55893c511a1SAnthony Liguori data->fn(k, data->opaque); 5592f28d2ffSAnthony Liguori } 5602f28d2ffSAnthony Liguori 5612f28d2ffSAnthony Liguori void object_class_foreach(void (*fn)(ObjectClass *klass, void *opaque), 56293c511a1SAnthony Liguori const char *implements_type, bool include_abstract, 5632f28d2ffSAnthony Liguori void *opaque) 5642f28d2ffSAnthony Liguori { 56593c511a1SAnthony Liguori OCFData data = { fn, implements_type, include_abstract, opaque }; 5662f28d2ffSAnthony Liguori 5672f28d2ffSAnthony Liguori g_hash_table_foreach(type_table_get(), object_class_foreach_tramp, &data); 5682f28d2ffSAnthony Liguori } 56957c9fafeSAnthony Liguori 57032efc535SPaolo Bonzini int object_child_foreach(Object *obj, int (*fn)(Object *child, void *opaque), 57132efc535SPaolo Bonzini void *opaque) 57232efc535SPaolo Bonzini { 57332efc535SPaolo Bonzini ObjectProperty *prop; 57432efc535SPaolo Bonzini int ret = 0; 57532efc535SPaolo Bonzini 57632efc535SPaolo Bonzini QTAILQ_FOREACH(prop, &obj->properties, node) { 57732efc535SPaolo Bonzini if (object_property_is_child(prop)) { 57832efc535SPaolo Bonzini ret = fn(prop->opaque, opaque); 57932efc535SPaolo Bonzini if (ret != 0) { 58032efc535SPaolo Bonzini break; 58132efc535SPaolo Bonzini } 58232efc535SPaolo Bonzini } 58332efc535SPaolo Bonzini } 58432efc535SPaolo Bonzini return ret; 58532efc535SPaolo Bonzini } 58632efc535SPaolo Bonzini 587418ba9e5SAndreas Färber static void object_class_get_list_tramp(ObjectClass *klass, void *opaque) 588418ba9e5SAndreas Färber { 589418ba9e5SAndreas Färber GSList **list = opaque; 590418ba9e5SAndreas Färber 591418ba9e5SAndreas Färber *list = g_slist_prepend(*list, klass); 592418ba9e5SAndreas Färber } 593418ba9e5SAndreas Färber 594418ba9e5SAndreas Färber GSList *object_class_get_list(const char *implements_type, 595418ba9e5SAndreas Färber bool include_abstract) 596418ba9e5SAndreas Färber { 597418ba9e5SAndreas Färber GSList *list = NULL; 598418ba9e5SAndreas Färber 599418ba9e5SAndreas Färber object_class_foreach(object_class_get_list_tramp, 600418ba9e5SAndreas Färber implements_type, include_abstract, &list); 601418ba9e5SAndreas Färber return list; 602418ba9e5SAndreas Färber } 603418ba9e5SAndreas Färber 60457c9fafeSAnthony Liguori void object_ref(Object *obj) 60557c9fafeSAnthony Liguori { 60657c9fafeSAnthony Liguori obj->ref++; 60757c9fafeSAnthony Liguori } 60857c9fafeSAnthony Liguori 60957c9fafeSAnthony Liguori void object_unref(Object *obj) 61057c9fafeSAnthony Liguori { 61157c9fafeSAnthony Liguori g_assert(obj->ref > 0); 61257c9fafeSAnthony Liguori obj->ref--; 61357c9fafeSAnthony Liguori 61457c9fafeSAnthony Liguori /* parent always holds a reference to its children */ 61557c9fafeSAnthony Liguori if (obj->ref == 0) { 61657c9fafeSAnthony Liguori object_finalize(obj); 61757c9fafeSAnthony Liguori } 61857c9fafeSAnthony Liguori } 61957c9fafeSAnthony Liguori 62057c9fafeSAnthony Liguori void object_property_add(Object *obj, const char *name, const char *type, 62157c9fafeSAnthony Liguori ObjectPropertyAccessor *get, 62257c9fafeSAnthony Liguori ObjectPropertyAccessor *set, 62357c9fafeSAnthony Liguori ObjectPropertyRelease *release, 62457c9fafeSAnthony Liguori void *opaque, Error **errp) 62557c9fafeSAnthony Liguori { 62657c9fafeSAnthony Liguori ObjectProperty *prop = g_malloc0(sizeof(*prop)); 62757c9fafeSAnthony Liguori 62857c9fafeSAnthony Liguori prop->name = g_strdup(name); 62957c9fafeSAnthony Liguori prop->type = g_strdup(type); 63057c9fafeSAnthony Liguori 63157c9fafeSAnthony Liguori prop->get = get; 63257c9fafeSAnthony Liguori prop->set = set; 63357c9fafeSAnthony Liguori prop->release = release; 63457c9fafeSAnthony Liguori prop->opaque = opaque; 63557c9fafeSAnthony Liguori 63657c9fafeSAnthony Liguori QTAILQ_INSERT_TAIL(&obj->properties, prop, node); 63757c9fafeSAnthony Liguori } 63857c9fafeSAnthony Liguori 63989bfe000SPaolo Bonzini ObjectProperty *object_property_find(Object *obj, const char *name, 64089bfe000SPaolo Bonzini Error **errp) 64157c9fafeSAnthony Liguori { 64257c9fafeSAnthony Liguori ObjectProperty *prop; 64357c9fafeSAnthony Liguori 64457c9fafeSAnthony Liguori QTAILQ_FOREACH(prop, &obj->properties, node) { 64557c9fafeSAnthony Liguori if (strcmp(prop->name, name) == 0) { 64657c9fafeSAnthony Liguori return prop; 64757c9fafeSAnthony Liguori } 64857c9fafeSAnthony Liguori } 64957c9fafeSAnthony Liguori 65089bfe000SPaolo Bonzini error_set(errp, QERR_PROPERTY_NOT_FOUND, "", name); 65157c9fafeSAnthony Liguori return NULL; 65257c9fafeSAnthony Liguori } 65357c9fafeSAnthony Liguori 65457c9fafeSAnthony Liguori void object_property_del(Object *obj, const char *name, Error **errp) 65557c9fafeSAnthony Liguori { 65689bfe000SPaolo Bonzini ObjectProperty *prop = object_property_find(obj, name, errp); 6570866aca1SAnthony Liguori if (prop == NULL) { 6580866aca1SAnthony Liguori return; 6590866aca1SAnthony Liguori } 66057c9fafeSAnthony Liguori 6610866aca1SAnthony Liguori if (prop->release) { 6620866aca1SAnthony Liguori prop->release(obj, name, prop->opaque); 6630866aca1SAnthony Liguori } 6640866aca1SAnthony Liguori 6650866aca1SAnthony Liguori QTAILQ_REMOVE(&obj->properties, prop, node); 66657c9fafeSAnthony Liguori 66757c9fafeSAnthony Liguori g_free(prop->name); 66857c9fafeSAnthony Liguori g_free(prop->type); 66957c9fafeSAnthony Liguori g_free(prop); 67057c9fafeSAnthony Liguori } 67157c9fafeSAnthony Liguori 67257c9fafeSAnthony Liguori void object_property_get(Object *obj, Visitor *v, const char *name, 67357c9fafeSAnthony Liguori Error **errp) 67457c9fafeSAnthony Liguori { 67589bfe000SPaolo Bonzini ObjectProperty *prop = object_property_find(obj, name, errp); 67657c9fafeSAnthony Liguori if (prop == NULL) { 67757c9fafeSAnthony Liguori return; 67857c9fafeSAnthony Liguori } 67957c9fafeSAnthony Liguori 68057c9fafeSAnthony Liguori if (!prop->get) { 68157c9fafeSAnthony Liguori error_set(errp, QERR_PERMISSION_DENIED); 68257c9fafeSAnthony Liguori } else { 68357c9fafeSAnthony Liguori prop->get(obj, v, prop->opaque, name, errp); 68457c9fafeSAnthony Liguori } 68557c9fafeSAnthony Liguori } 68657c9fafeSAnthony Liguori 68757c9fafeSAnthony Liguori void object_property_set(Object *obj, Visitor *v, const char *name, 68857c9fafeSAnthony Liguori Error **errp) 68957c9fafeSAnthony Liguori { 69089bfe000SPaolo Bonzini ObjectProperty *prop = object_property_find(obj, name, errp); 69157c9fafeSAnthony Liguori if (prop == NULL) { 69257c9fafeSAnthony Liguori return; 69357c9fafeSAnthony Liguori } 69457c9fafeSAnthony Liguori 69557c9fafeSAnthony Liguori if (!prop->set) { 69657c9fafeSAnthony Liguori error_set(errp, QERR_PERMISSION_DENIED); 69757c9fafeSAnthony Liguori } else { 69857c9fafeSAnthony Liguori prop->set(obj, v, prop->opaque, name, errp); 69957c9fafeSAnthony Liguori } 70057c9fafeSAnthony Liguori } 70157c9fafeSAnthony Liguori 7027b7b7d18SPaolo Bonzini void object_property_set_str(Object *obj, const char *value, 7037b7b7d18SPaolo Bonzini const char *name, Error **errp) 7047b7b7d18SPaolo Bonzini { 7057b7b7d18SPaolo Bonzini QString *qstr = qstring_from_str(value); 7067b7b7d18SPaolo Bonzini object_property_set_qobject(obj, QOBJECT(qstr), name, errp); 7077b7b7d18SPaolo Bonzini 7087b7b7d18SPaolo Bonzini QDECREF(qstr); 7097b7b7d18SPaolo Bonzini } 7107b7b7d18SPaolo Bonzini 7117b7b7d18SPaolo Bonzini char *object_property_get_str(Object *obj, const char *name, 7127b7b7d18SPaolo Bonzini Error **errp) 7137b7b7d18SPaolo Bonzini { 7147b7b7d18SPaolo Bonzini QObject *ret = object_property_get_qobject(obj, name, errp); 7157b7b7d18SPaolo Bonzini QString *qstring; 7167b7b7d18SPaolo Bonzini char *retval; 7177b7b7d18SPaolo Bonzini 7187b7b7d18SPaolo Bonzini if (!ret) { 7197b7b7d18SPaolo Bonzini return NULL; 7207b7b7d18SPaolo Bonzini } 7217b7b7d18SPaolo Bonzini qstring = qobject_to_qstring(ret); 7227b7b7d18SPaolo Bonzini if (!qstring) { 7237b7b7d18SPaolo Bonzini error_set(errp, QERR_INVALID_PARAMETER_TYPE, name, "string"); 7247b7b7d18SPaolo Bonzini retval = NULL; 7257b7b7d18SPaolo Bonzini } else { 7267b7b7d18SPaolo Bonzini retval = g_strdup(qstring_get_str(qstring)); 7277b7b7d18SPaolo Bonzini } 7287b7b7d18SPaolo Bonzini 7297b7b7d18SPaolo Bonzini QDECREF(qstring); 7307b7b7d18SPaolo Bonzini return retval; 7317b7b7d18SPaolo Bonzini } 7327b7b7d18SPaolo Bonzini 7331d9c5a12SPaolo Bonzini void object_property_set_link(Object *obj, Object *value, 7341d9c5a12SPaolo Bonzini const char *name, Error **errp) 7351d9c5a12SPaolo Bonzini { 7361d9c5a12SPaolo Bonzini object_property_set_str(obj, object_get_canonical_path(value), 7371d9c5a12SPaolo Bonzini name, errp); 7381d9c5a12SPaolo Bonzini } 7391d9c5a12SPaolo Bonzini 7401d9c5a12SPaolo Bonzini Object *object_property_get_link(Object *obj, const char *name, 7411d9c5a12SPaolo Bonzini Error **errp) 7421d9c5a12SPaolo Bonzini { 7431d9c5a12SPaolo Bonzini char *str = object_property_get_str(obj, name, errp); 7441d9c5a12SPaolo Bonzini Object *target = NULL; 7451d9c5a12SPaolo Bonzini 7461d9c5a12SPaolo Bonzini if (str && *str) { 7471d9c5a12SPaolo Bonzini target = object_resolve_path(str, NULL); 7481d9c5a12SPaolo Bonzini if (!target) { 7491d9c5a12SPaolo Bonzini error_set(errp, QERR_DEVICE_NOT_FOUND, str); 7501d9c5a12SPaolo Bonzini } 7511d9c5a12SPaolo Bonzini } 7521d9c5a12SPaolo Bonzini 7531d9c5a12SPaolo Bonzini g_free(str); 7541d9c5a12SPaolo Bonzini return target; 7551d9c5a12SPaolo Bonzini } 7561d9c5a12SPaolo Bonzini 7577b7b7d18SPaolo Bonzini void object_property_set_bool(Object *obj, bool value, 7587b7b7d18SPaolo Bonzini const char *name, Error **errp) 7597b7b7d18SPaolo Bonzini { 7607b7b7d18SPaolo Bonzini QBool *qbool = qbool_from_int(value); 7617b7b7d18SPaolo Bonzini object_property_set_qobject(obj, QOBJECT(qbool), name, errp); 7627b7b7d18SPaolo Bonzini 7637b7b7d18SPaolo Bonzini QDECREF(qbool); 7647b7b7d18SPaolo Bonzini } 7657b7b7d18SPaolo Bonzini 7667b7b7d18SPaolo Bonzini bool object_property_get_bool(Object *obj, const char *name, 7677b7b7d18SPaolo Bonzini Error **errp) 7687b7b7d18SPaolo Bonzini { 7697b7b7d18SPaolo Bonzini QObject *ret = object_property_get_qobject(obj, name, errp); 7707b7b7d18SPaolo Bonzini QBool *qbool; 7717b7b7d18SPaolo Bonzini bool retval; 7727b7b7d18SPaolo Bonzini 7737b7b7d18SPaolo Bonzini if (!ret) { 7747b7b7d18SPaolo Bonzini return false; 7757b7b7d18SPaolo Bonzini } 7767b7b7d18SPaolo Bonzini qbool = qobject_to_qbool(ret); 7777b7b7d18SPaolo Bonzini if (!qbool) { 7787b7b7d18SPaolo Bonzini error_set(errp, QERR_INVALID_PARAMETER_TYPE, name, "boolean"); 7797b7b7d18SPaolo Bonzini retval = false; 7807b7b7d18SPaolo Bonzini } else { 7817b7b7d18SPaolo Bonzini retval = qbool_get_int(qbool); 7827b7b7d18SPaolo Bonzini } 7837b7b7d18SPaolo Bonzini 7847b7b7d18SPaolo Bonzini QDECREF(qbool); 7857b7b7d18SPaolo Bonzini return retval; 7867b7b7d18SPaolo Bonzini } 7877b7b7d18SPaolo Bonzini 7887b7b7d18SPaolo Bonzini void object_property_set_int(Object *obj, int64_t value, 7897b7b7d18SPaolo Bonzini const char *name, Error **errp) 7907b7b7d18SPaolo Bonzini { 7917b7b7d18SPaolo Bonzini QInt *qint = qint_from_int(value); 7927b7b7d18SPaolo Bonzini object_property_set_qobject(obj, QOBJECT(qint), name, errp); 7937b7b7d18SPaolo Bonzini 7947b7b7d18SPaolo Bonzini QDECREF(qint); 7957b7b7d18SPaolo Bonzini } 7967b7b7d18SPaolo Bonzini 7977b7b7d18SPaolo Bonzini int64_t object_property_get_int(Object *obj, const char *name, 7987b7b7d18SPaolo Bonzini Error **errp) 7997b7b7d18SPaolo Bonzini { 8007b7b7d18SPaolo Bonzini QObject *ret = object_property_get_qobject(obj, name, errp); 8017b7b7d18SPaolo Bonzini QInt *qint; 8027b7b7d18SPaolo Bonzini int64_t retval; 8037b7b7d18SPaolo Bonzini 8047b7b7d18SPaolo Bonzini if (!ret) { 8057b7b7d18SPaolo Bonzini return -1; 8067b7b7d18SPaolo Bonzini } 8077b7b7d18SPaolo Bonzini qint = qobject_to_qint(ret); 8087b7b7d18SPaolo Bonzini if (!qint) { 8097b7b7d18SPaolo Bonzini error_set(errp, QERR_INVALID_PARAMETER_TYPE, name, "int"); 8107b7b7d18SPaolo Bonzini retval = -1; 8117b7b7d18SPaolo Bonzini } else { 8127b7b7d18SPaolo Bonzini retval = qint_get_int(qint); 8137b7b7d18SPaolo Bonzini } 8147b7b7d18SPaolo Bonzini 8157b7b7d18SPaolo Bonzini QDECREF(qint); 8167b7b7d18SPaolo Bonzini return retval; 8177b7b7d18SPaolo Bonzini } 8187b7b7d18SPaolo Bonzini 819b2cd7deeSPaolo Bonzini void object_property_parse(Object *obj, const char *string, 820b2cd7deeSPaolo Bonzini const char *name, Error **errp) 821b2cd7deeSPaolo Bonzini { 822b2cd7deeSPaolo Bonzini StringInputVisitor *mi; 823b2cd7deeSPaolo Bonzini mi = string_input_visitor_new(string); 824b2cd7deeSPaolo Bonzini object_property_set(obj, string_input_get_visitor(mi), name, errp); 825b2cd7deeSPaolo Bonzini 826b2cd7deeSPaolo Bonzini string_input_visitor_cleanup(mi); 827b2cd7deeSPaolo Bonzini } 828b2cd7deeSPaolo Bonzini 829b2cd7deeSPaolo Bonzini char *object_property_print(Object *obj, const char *name, 830b2cd7deeSPaolo Bonzini Error **errp) 831b2cd7deeSPaolo Bonzini { 832b2cd7deeSPaolo Bonzini StringOutputVisitor *mo; 833b2cd7deeSPaolo Bonzini char *string; 834b2cd7deeSPaolo Bonzini 835b2cd7deeSPaolo Bonzini mo = string_output_visitor_new(); 8368185bfc1SPaolo Bonzini object_property_get(obj, string_output_get_visitor(mo), name, errp); 837b2cd7deeSPaolo Bonzini string = string_output_get_string(mo); 838b2cd7deeSPaolo Bonzini string_output_visitor_cleanup(mo); 839b2cd7deeSPaolo Bonzini return string; 840b2cd7deeSPaolo Bonzini } 841b2cd7deeSPaolo Bonzini 84257c9fafeSAnthony Liguori const char *object_property_get_type(Object *obj, const char *name, Error **errp) 84357c9fafeSAnthony Liguori { 84489bfe000SPaolo Bonzini ObjectProperty *prop = object_property_find(obj, name, errp); 84557c9fafeSAnthony Liguori if (prop == NULL) { 84657c9fafeSAnthony Liguori return NULL; 84757c9fafeSAnthony Liguori } 84857c9fafeSAnthony Liguori 84957c9fafeSAnthony Liguori return prop->type; 85057c9fafeSAnthony Liguori } 85157c9fafeSAnthony Liguori 85257c9fafeSAnthony Liguori Object *object_get_root(void) 85357c9fafeSAnthony Liguori { 8548b45d447SAnthony Liguori static Object *root; 85557c9fafeSAnthony Liguori 8568b45d447SAnthony Liguori if (!root) { 8578b45d447SAnthony Liguori root = object_new("container"); 85857c9fafeSAnthony Liguori } 85957c9fafeSAnthony Liguori 8608b45d447SAnthony Liguori return root; 86157c9fafeSAnthony Liguori } 86257c9fafeSAnthony Liguori 86357c9fafeSAnthony Liguori static void object_get_child_property(Object *obj, Visitor *v, void *opaque, 86457c9fafeSAnthony Liguori const char *name, Error **errp) 86557c9fafeSAnthony Liguori { 86657c9fafeSAnthony Liguori Object *child = opaque; 86757c9fafeSAnthony Liguori gchar *path; 86857c9fafeSAnthony Liguori 86957c9fafeSAnthony Liguori path = object_get_canonical_path(child); 87057c9fafeSAnthony Liguori visit_type_str(v, &path, name, errp); 87157c9fafeSAnthony Liguori g_free(path); 87257c9fafeSAnthony Liguori } 87357c9fafeSAnthony Liguori 874db85b575SAnthony Liguori static void object_finalize_child_property(Object *obj, const char *name, 875db85b575SAnthony Liguori void *opaque) 876db85b575SAnthony Liguori { 877db85b575SAnthony Liguori Object *child = opaque; 878db85b575SAnthony Liguori 879db85b575SAnthony Liguori object_unref(child); 880db85b575SAnthony Liguori } 881db85b575SAnthony Liguori 88257c9fafeSAnthony Liguori void object_property_add_child(Object *obj, const char *name, 88357c9fafeSAnthony Liguori Object *child, Error **errp) 88457c9fafeSAnthony Liguori { 88557c9fafeSAnthony Liguori gchar *type; 88657c9fafeSAnthony Liguori 88757c9fafeSAnthony Liguori type = g_strdup_printf("child<%s>", object_get_typename(OBJECT(child))); 88857c9fafeSAnthony Liguori 88957c9fafeSAnthony Liguori object_property_add(obj, name, type, object_get_child_property, 890db85b575SAnthony Liguori NULL, object_finalize_child_property, child, errp); 89157c9fafeSAnthony Liguori 89257c9fafeSAnthony Liguori object_ref(child); 89357c9fafeSAnthony Liguori g_assert(child->parent == NULL); 89457c9fafeSAnthony Liguori child->parent = obj; 89557c9fafeSAnthony Liguori 89657c9fafeSAnthony Liguori g_free(type); 89757c9fafeSAnthony Liguori } 89857c9fafeSAnthony Liguori 89957c9fafeSAnthony Liguori static void object_get_link_property(Object *obj, Visitor *v, void *opaque, 90057c9fafeSAnthony Liguori const char *name, Error **errp) 90157c9fafeSAnthony Liguori { 90257c9fafeSAnthony Liguori Object **child = opaque; 90357c9fafeSAnthony Liguori gchar *path; 90457c9fafeSAnthony Liguori 90557c9fafeSAnthony Liguori if (*child) { 90657c9fafeSAnthony Liguori path = object_get_canonical_path(*child); 90757c9fafeSAnthony Liguori visit_type_str(v, &path, name, errp); 90857c9fafeSAnthony Liguori g_free(path); 90957c9fafeSAnthony Liguori } else { 91057c9fafeSAnthony Liguori path = (gchar *)""; 91157c9fafeSAnthony Liguori visit_type_str(v, &path, name, errp); 91257c9fafeSAnthony Liguori } 91357c9fafeSAnthony Liguori } 91457c9fafeSAnthony Liguori 91557c9fafeSAnthony Liguori static void object_set_link_property(Object *obj, Visitor *v, void *opaque, 91657c9fafeSAnthony Liguori const char *name, Error **errp) 91757c9fafeSAnthony Liguori { 91857c9fafeSAnthony Liguori Object **child = opaque; 919f0cdc966SAlexander Barabash Object *old_target; 92057c9fafeSAnthony Liguori bool ambiguous = false; 92157c9fafeSAnthony Liguori const char *type; 92257c9fafeSAnthony Liguori char *path; 92311e35bfdSPaolo Bonzini gchar *target_type; 92457c9fafeSAnthony Liguori 92557c9fafeSAnthony Liguori type = object_property_get_type(obj, name, NULL); 92657c9fafeSAnthony Liguori 92757c9fafeSAnthony Liguori visit_type_str(v, &path, name, errp); 92857c9fafeSAnthony Liguori 929f0cdc966SAlexander Barabash old_target = *child; 93011e35bfdSPaolo Bonzini *child = NULL; 93157c9fafeSAnthony Liguori 93257c9fafeSAnthony Liguori if (strcmp(path, "") != 0) { 93357c9fafeSAnthony Liguori Object *target; 93457c9fafeSAnthony Liguori 9358f770d39SPaolo Bonzini /* Go from link<FOO> to FOO. */ 93611e35bfdSPaolo Bonzini target_type = g_strndup(&type[5], strlen(type) - 6); 93711e35bfdSPaolo Bonzini target = object_resolve_path_type(path, target_type, &ambiguous); 93811e35bfdSPaolo Bonzini 93911e35bfdSPaolo Bonzini if (ambiguous) { 94011e35bfdSPaolo Bonzini error_set(errp, QERR_AMBIGUOUS_PATH, path); 94111e35bfdSPaolo Bonzini } else if (target) { 94257c9fafeSAnthony Liguori object_ref(target); 943fe40e627SAnthony Liguori *child = target; 94457c9fafeSAnthony Liguori } else { 94511e35bfdSPaolo Bonzini target = object_resolve_path(path, &ambiguous); 94611e35bfdSPaolo Bonzini if (target || ambiguous) { 94711e35bfdSPaolo Bonzini error_set(errp, QERR_INVALID_PARAMETER_TYPE, name, target_type); 94857c9fafeSAnthony Liguori } else { 94957c9fafeSAnthony Liguori error_set(errp, QERR_DEVICE_NOT_FOUND, path); 95057c9fafeSAnthony Liguori } 95111e35bfdSPaolo Bonzini } 95211e35bfdSPaolo Bonzini g_free(target_type); 95357c9fafeSAnthony Liguori } 95457c9fafeSAnthony Liguori 95557c9fafeSAnthony Liguori g_free(path); 956f0cdc966SAlexander Barabash 957f0cdc966SAlexander Barabash if (old_target != NULL) { 958f0cdc966SAlexander Barabash object_unref(old_target); 959f0cdc966SAlexander Barabash } 96057c9fafeSAnthony Liguori } 96157c9fafeSAnthony Liguori 96257c9fafeSAnthony Liguori void object_property_add_link(Object *obj, const char *name, 96357c9fafeSAnthony Liguori const char *type, Object **child, 96457c9fafeSAnthony Liguori Error **errp) 96557c9fafeSAnthony Liguori { 96657c9fafeSAnthony Liguori gchar *full_type; 96757c9fafeSAnthony Liguori 96857c9fafeSAnthony Liguori full_type = g_strdup_printf("link<%s>", type); 96957c9fafeSAnthony Liguori 97057c9fafeSAnthony Liguori object_property_add(obj, name, full_type, 97157c9fafeSAnthony Liguori object_get_link_property, 97257c9fafeSAnthony Liguori object_set_link_property, 97357c9fafeSAnthony Liguori NULL, child, errp); 97457c9fafeSAnthony Liguori 97557c9fafeSAnthony Liguori g_free(full_type); 97657c9fafeSAnthony Liguori } 97757c9fafeSAnthony Liguori 97857c9fafeSAnthony Liguori gchar *object_get_canonical_path(Object *obj) 97957c9fafeSAnthony Liguori { 98057c9fafeSAnthony Liguori Object *root = object_get_root(); 98157c9fafeSAnthony Liguori char *newpath = NULL, *path = NULL; 98257c9fafeSAnthony Liguori 98357c9fafeSAnthony Liguori while (obj != root) { 98457c9fafeSAnthony Liguori ObjectProperty *prop = NULL; 98557c9fafeSAnthony Liguori 98657c9fafeSAnthony Liguori g_assert(obj->parent != NULL); 98757c9fafeSAnthony Liguori 98857c9fafeSAnthony Liguori QTAILQ_FOREACH(prop, &obj->parent->properties, node) { 9895d9d3f47SAndreas Färber if (!object_property_is_child(prop)) { 99057c9fafeSAnthony Liguori continue; 99157c9fafeSAnthony Liguori } 99257c9fafeSAnthony Liguori 99357c9fafeSAnthony Liguori if (prop->opaque == obj) { 99457c9fafeSAnthony Liguori if (path) { 99557c9fafeSAnthony Liguori newpath = g_strdup_printf("%s/%s", prop->name, path); 99657c9fafeSAnthony Liguori g_free(path); 99757c9fafeSAnthony Liguori path = newpath; 99857c9fafeSAnthony Liguori } else { 99957c9fafeSAnthony Liguori path = g_strdup(prop->name); 100057c9fafeSAnthony Liguori } 100157c9fafeSAnthony Liguori break; 100257c9fafeSAnthony Liguori } 100357c9fafeSAnthony Liguori } 100457c9fafeSAnthony Liguori 100557c9fafeSAnthony Liguori g_assert(prop != NULL); 100657c9fafeSAnthony Liguori 100757c9fafeSAnthony Liguori obj = obj->parent; 100857c9fafeSAnthony Liguori } 100957c9fafeSAnthony Liguori 101057c9fafeSAnthony Liguori newpath = g_strdup_printf("/%s", path); 101157c9fafeSAnthony Liguori g_free(path); 101257c9fafeSAnthony Liguori 101357c9fafeSAnthony Liguori return newpath; 101457c9fafeSAnthony Liguori } 101557c9fafeSAnthony Liguori 1016a612b2a6SPaolo Bonzini Object *object_resolve_path_component(Object *parent, gchar *part) 1017a612b2a6SPaolo Bonzini { 101889bfe000SPaolo Bonzini ObjectProperty *prop = object_property_find(parent, part, NULL); 1019a612b2a6SPaolo Bonzini if (prop == NULL) { 1020a612b2a6SPaolo Bonzini return NULL; 1021a612b2a6SPaolo Bonzini } 1022a612b2a6SPaolo Bonzini 10235d9d3f47SAndreas Färber if (object_property_is_link(prop)) { 1024a612b2a6SPaolo Bonzini return *(Object **)prop->opaque; 10255d9d3f47SAndreas Färber } else if (object_property_is_child(prop)) { 1026a612b2a6SPaolo Bonzini return prop->opaque; 1027a612b2a6SPaolo Bonzini } else { 1028a612b2a6SPaolo Bonzini return NULL; 1029a612b2a6SPaolo Bonzini } 1030a612b2a6SPaolo Bonzini } 1031a612b2a6SPaolo Bonzini 103257c9fafeSAnthony Liguori static Object *object_resolve_abs_path(Object *parent, 103357c9fafeSAnthony Liguori gchar **parts, 103402fe2db6SPaolo Bonzini const char *typename, 103557c9fafeSAnthony Liguori int index) 103657c9fafeSAnthony Liguori { 103757c9fafeSAnthony Liguori Object *child; 103857c9fafeSAnthony Liguori 103957c9fafeSAnthony Liguori if (parts[index] == NULL) { 104002fe2db6SPaolo Bonzini return object_dynamic_cast(parent, typename); 104157c9fafeSAnthony Liguori } 104257c9fafeSAnthony Liguori 104357c9fafeSAnthony Liguori if (strcmp(parts[index], "") == 0) { 104402fe2db6SPaolo Bonzini return object_resolve_abs_path(parent, parts, typename, index + 1); 104557c9fafeSAnthony Liguori } 104657c9fafeSAnthony Liguori 1047a612b2a6SPaolo Bonzini child = object_resolve_path_component(parent, parts[index]); 104857c9fafeSAnthony Liguori if (!child) { 104957c9fafeSAnthony Liguori return NULL; 105057c9fafeSAnthony Liguori } 105157c9fafeSAnthony Liguori 105202fe2db6SPaolo Bonzini return object_resolve_abs_path(child, parts, typename, index + 1); 105357c9fafeSAnthony Liguori } 105457c9fafeSAnthony Liguori 105557c9fafeSAnthony Liguori static Object *object_resolve_partial_path(Object *parent, 105657c9fafeSAnthony Liguori gchar **parts, 105702fe2db6SPaolo Bonzini const char *typename, 105857c9fafeSAnthony Liguori bool *ambiguous) 105957c9fafeSAnthony Liguori { 106057c9fafeSAnthony Liguori Object *obj; 106157c9fafeSAnthony Liguori ObjectProperty *prop; 106257c9fafeSAnthony Liguori 106302fe2db6SPaolo Bonzini obj = object_resolve_abs_path(parent, parts, typename, 0); 106457c9fafeSAnthony Liguori 106557c9fafeSAnthony Liguori QTAILQ_FOREACH(prop, &parent->properties, node) { 106657c9fafeSAnthony Liguori Object *found; 106757c9fafeSAnthony Liguori 10685d9d3f47SAndreas Färber if (!object_property_is_child(prop)) { 106957c9fafeSAnthony Liguori continue; 107057c9fafeSAnthony Liguori } 107157c9fafeSAnthony Liguori 107202fe2db6SPaolo Bonzini found = object_resolve_partial_path(prop->opaque, parts, 107302fe2db6SPaolo Bonzini typename, ambiguous); 107457c9fafeSAnthony Liguori if (found) { 107557c9fafeSAnthony Liguori if (obj) { 107657c9fafeSAnthony Liguori if (ambiguous) { 107757c9fafeSAnthony Liguori *ambiguous = true; 107857c9fafeSAnthony Liguori } 107957c9fafeSAnthony Liguori return NULL; 108057c9fafeSAnthony Liguori } 108157c9fafeSAnthony Liguori obj = found; 108257c9fafeSAnthony Liguori } 108357c9fafeSAnthony Liguori 108457c9fafeSAnthony Liguori if (ambiguous && *ambiguous) { 108557c9fafeSAnthony Liguori return NULL; 108657c9fafeSAnthony Liguori } 108757c9fafeSAnthony Liguori } 108857c9fafeSAnthony Liguori 108957c9fafeSAnthony Liguori return obj; 109057c9fafeSAnthony Liguori } 109157c9fafeSAnthony Liguori 109202fe2db6SPaolo Bonzini Object *object_resolve_path_type(const char *path, const char *typename, 109302fe2db6SPaolo Bonzini bool *ambiguous) 109457c9fafeSAnthony Liguori { 109557c9fafeSAnthony Liguori bool partial_path = true; 109657c9fafeSAnthony Liguori Object *obj; 109757c9fafeSAnthony Liguori gchar **parts; 109857c9fafeSAnthony Liguori 109957c9fafeSAnthony Liguori parts = g_strsplit(path, "/", 0); 110057c9fafeSAnthony Liguori if (parts == NULL || parts[0] == NULL) { 110157c9fafeSAnthony Liguori g_strfreev(parts); 110257c9fafeSAnthony Liguori return object_get_root(); 110357c9fafeSAnthony Liguori } 110457c9fafeSAnthony Liguori 110557c9fafeSAnthony Liguori if (strcmp(parts[0], "") == 0) { 110657c9fafeSAnthony Liguori partial_path = false; 110757c9fafeSAnthony Liguori } 110857c9fafeSAnthony Liguori 110957c9fafeSAnthony Liguori if (partial_path) { 111057c9fafeSAnthony Liguori if (ambiguous) { 111157c9fafeSAnthony Liguori *ambiguous = false; 111257c9fafeSAnthony Liguori } 111302fe2db6SPaolo Bonzini obj = object_resolve_partial_path(object_get_root(), parts, 111402fe2db6SPaolo Bonzini typename, ambiguous); 111557c9fafeSAnthony Liguori } else { 111602fe2db6SPaolo Bonzini obj = object_resolve_abs_path(object_get_root(), parts, typename, 1); 111757c9fafeSAnthony Liguori } 111857c9fafeSAnthony Liguori 111957c9fafeSAnthony Liguori g_strfreev(parts); 112057c9fafeSAnthony Liguori 112157c9fafeSAnthony Liguori return obj; 112257c9fafeSAnthony Liguori } 112357c9fafeSAnthony Liguori 112402fe2db6SPaolo Bonzini Object *object_resolve_path(const char *path, bool *ambiguous) 112502fe2db6SPaolo Bonzini { 112602fe2db6SPaolo Bonzini return object_resolve_path_type(path, TYPE_OBJECT, ambiguous); 112702fe2db6SPaolo Bonzini } 112802fe2db6SPaolo Bonzini 112957c9fafeSAnthony Liguori typedef struct StringProperty 113057c9fafeSAnthony Liguori { 113157c9fafeSAnthony Liguori char *(*get)(Object *, Error **); 113257c9fafeSAnthony Liguori void (*set)(Object *, const char *, Error **); 113357c9fafeSAnthony Liguori } StringProperty; 113457c9fafeSAnthony Liguori 11357b7b7d18SPaolo Bonzini static void property_get_str(Object *obj, Visitor *v, void *opaque, 113657c9fafeSAnthony Liguori const char *name, Error **errp) 113757c9fafeSAnthony Liguori { 113857c9fafeSAnthony Liguori StringProperty *prop = opaque; 113957c9fafeSAnthony Liguori char *value; 114057c9fafeSAnthony Liguori 114157c9fafeSAnthony Liguori value = prop->get(obj, errp); 114257c9fafeSAnthony Liguori if (value) { 114357c9fafeSAnthony Liguori visit_type_str(v, &value, name, errp); 114457c9fafeSAnthony Liguori g_free(value); 114557c9fafeSAnthony Liguori } 114657c9fafeSAnthony Liguori } 114757c9fafeSAnthony Liguori 11487b7b7d18SPaolo Bonzini static void property_set_str(Object *obj, Visitor *v, void *opaque, 114957c9fafeSAnthony Liguori const char *name, Error **errp) 115057c9fafeSAnthony Liguori { 115157c9fafeSAnthony Liguori StringProperty *prop = opaque; 115257c9fafeSAnthony Liguori char *value; 115357c9fafeSAnthony Liguori Error *local_err = NULL; 115457c9fafeSAnthony Liguori 115557c9fafeSAnthony Liguori visit_type_str(v, &value, name, &local_err); 115657c9fafeSAnthony Liguori if (local_err) { 115757c9fafeSAnthony Liguori error_propagate(errp, local_err); 115857c9fafeSAnthony Liguori return; 115957c9fafeSAnthony Liguori } 116057c9fafeSAnthony Liguori 116157c9fafeSAnthony Liguori prop->set(obj, value, errp); 116257c9fafeSAnthony Liguori g_free(value); 116357c9fafeSAnthony Liguori } 116457c9fafeSAnthony Liguori 11657b7b7d18SPaolo Bonzini static void property_release_str(Object *obj, const char *name, 116657c9fafeSAnthony Liguori void *opaque) 116757c9fafeSAnthony Liguori { 116857c9fafeSAnthony Liguori StringProperty *prop = opaque; 116957c9fafeSAnthony Liguori g_free(prop); 117057c9fafeSAnthony Liguori } 117157c9fafeSAnthony Liguori 117257c9fafeSAnthony Liguori void object_property_add_str(Object *obj, const char *name, 117357c9fafeSAnthony Liguori char *(*get)(Object *, Error **), 117457c9fafeSAnthony Liguori void (*set)(Object *, const char *, Error **), 117557c9fafeSAnthony Liguori Error **errp) 117657c9fafeSAnthony Liguori { 117757c9fafeSAnthony Liguori StringProperty *prop = g_malloc0(sizeof(*prop)); 117857c9fafeSAnthony Liguori 117957c9fafeSAnthony Liguori prop->get = get; 118057c9fafeSAnthony Liguori prop->set = set; 118157c9fafeSAnthony Liguori 118257c9fafeSAnthony Liguori object_property_add(obj, name, "string", 11837b7b7d18SPaolo Bonzini get ? property_get_str : NULL, 11847b7b7d18SPaolo Bonzini set ? property_set_str : NULL, 11857b7b7d18SPaolo Bonzini property_release_str, 118657c9fafeSAnthony Liguori prop, errp); 118757c9fafeSAnthony Liguori } 1188745549c8SPaolo Bonzini 11890e558843SAnthony Liguori typedef struct BoolProperty 11900e558843SAnthony Liguori { 11910e558843SAnthony Liguori bool (*get)(Object *, Error **); 11920e558843SAnthony Liguori void (*set)(Object *, bool, Error **); 11930e558843SAnthony Liguori } BoolProperty; 11940e558843SAnthony Liguori 11950e558843SAnthony Liguori static void property_get_bool(Object *obj, Visitor *v, void *opaque, 11960e558843SAnthony Liguori const char *name, Error **errp) 11970e558843SAnthony Liguori { 11980e558843SAnthony Liguori BoolProperty *prop = opaque; 11990e558843SAnthony Liguori bool value; 12000e558843SAnthony Liguori 12010e558843SAnthony Liguori value = prop->get(obj, errp); 12020e558843SAnthony Liguori visit_type_bool(v, &value, name, errp); 12030e558843SAnthony Liguori } 12040e558843SAnthony Liguori 12050e558843SAnthony Liguori static void property_set_bool(Object *obj, Visitor *v, void *opaque, 12060e558843SAnthony Liguori const char *name, Error **errp) 12070e558843SAnthony Liguori { 12080e558843SAnthony Liguori BoolProperty *prop = opaque; 12090e558843SAnthony Liguori bool value; 12100e558843SAnthony Liguori Error *local_err = NULL; 12110e558843SAnthony Liguori 12120e558843SAnthony Liguori visit_type_bool(v, &value, name, &local_err); 12130e558843SAnthony Liguori if (local_err) { 12140e558843SAnthony Liguori error_propagate(errp, local_err); 12150e558843SAnthony Liguori return; 12160e558843SAnthony Liguori } 12170e558843SAnthony Liguori 12180e558843SAnthony Liguori prop->set(obj, value, errp); 12190e558843SAnthony Liguori } 12200e558843SAnthony Liguori 12210e558843SAnthony Liguori static void property_release_bool(Object *obj, const char *name, 12220e558843SAnthony Liguori void *opaque) 12230e558843SAnthony Liguori { 12240e558843SAnthony Liguori BoolProperty *prop = opaque; 12250e558843SAnthony Liguori g_free(prop); 12260e558843SAnthony Liguori } 12270e558843SAnthony Liguori 12280e558843SAnthony Liguori void object_property_add_bool(Object *obj, const char *name, 12290e558843SAnthony Liguori bool (*get)(Object *, Error **), 12300e558843SAnthony Liguori void (*set)(Object *, bool, Error **), 12310e558843SAnthony Liguori Error **errp) 12320e558843SAnthony Liguori { 12330e558843SAnthony Liguori BoolProperty *prop = g_malloc0(sizeof(*prop)); 12340e558843SAnthony Liguori 12350e558843SAnthony Liguori prop->get = get; 12360e558843SAnthony Liguori prop->set = set; 12370e558843SAnthony Liguori 12380e558843SAnthony Liguori object_property_add(obj, name, "bool", 12390e558843SAnthony Liguori get ? property_get_bool : NULL, 12400e558843SAnthony Liguori set ? property_set_bool : NULL, 12410e558843SAnthony Liguori property_release_bool, 12420e558843SAnthony Liguori prop, errp); 12430e558843SAnthony Liguori } 12440e558843SAnthony Liguori 12452f262e06SPaolo Bonzini static char *qdev_get_type(Object *obj, Error **errp) 12462f262e06SPaolo Bonzini { 12472f262e06SPaolo Bonzini return g_strdup(object_get_typename(obj)); 12482f262e06SPaolo Bonzini } 12492f262e06SPaolo Bonzini 12502f262e06SPaolo Bonzini static void object_instance_init(Object *obj) 12512f262e06SPaolo Bonzini { 12522f262e06SPaolo Bonzini object_property_add_str(obj, "type", qdev_get_type, NULL, NULL); 12532f262e06SPaolo Bonzini } 12542f262e06SPaolo Bonzini 1255745549c8SPaolo Bonzini static void register_types(void) 1256745549c8SPaolo Bonzini { 1257745549c8SPaolo Bonzini static TypeInfo interface_info = { 1258745549c8SPaolo Bonzini .name = TYPE_INTERFACE, 125933e95c63SAnthony Liguori .class_size = sizeof(InterfaceClass), 1260745549c8SPaolo Bonzini .abstract = true, 1261745549c8SPaolo Bonzini }; 1262745549c8SPaolo Bonzini 1263745549c8SPaolo Bonzini static TypeInfo object_info = { 1264745549c8SPaolo Bonzini .name = TYPE_OBJECT, 1265745549c8SPaolo Bonzini .instance_size = sizeof(Object), 12662f262e06SPaolo Bonzini .instance_init = object_instance_init, 1267745549c8SPaolo Bonzini .abstract = true, 1268745549c8SPaolo Bonzini }; 1269745549c8SPaolo Bonzini 1270049cb3cfSPaolo Bonzini type_interface = type_register_internal(&interface_info); 1271049cb3cfSPaolo Bonzini type_register_internal(&object_info); 1272745549c8SPaolo Bonzini } 1273745549c8SPaolo Bonzini 1274745549c8SPaolo Bonzini type_init(register_types) 1275