virtio: make virtio_queue_notify_vq static
[qemu/ar7.git] / qom / object_interfaces.c
blobab5da35e4fa48dd2ac8aea497562bddd8385bc94
1 #include "qemu/osdep.h"
2 #include "qapi/error.h"
3 #include "qom/object_interfaces.h"
4 #include "qemu/module.h"
5 #include "qapi-visit.h"
6 #include "qapi/qmp-output-visitor.h"
7 #include "qapi/opts-visitor.h"
9 void user_creatable_complete(Object *obj, Error **errp)
12 UserCreatableClass *ucc;
13 UserCreatable *uc =
14 (UserCreatable *)object_dynamic_cast(obj, TYPE_USER_CREATABLE);
16 if (!uc) {
17 return;
20 ucc = USER_CREATABLE_GET_CLASS(uc);
21 if (ucc->complete) {
22 ucc->complete(uc, errp);
26 bool user_creatable_can_be_deleted(UserCreatable *uc, Error **errp)
29 UserCreatableClass *ucc = USER_CREATABLE_GET_CLASS(uc);
31 if (ucc->can_be_deleted) {
32 return ucc->can_be_deleted(uc, errp);
33 } else {
34 return true;
39 Object *user_creatable_add(const QDict *qdict,
40 Visitor *v, Error **errp)
42 char *type = NULL;
43 char *id = NULL;
44 Object *obj = NULL;
45 Error *local_err = NULL, *end_err = NULL;
46 QDict *pdict;
48 pdict = qdict_clone_shallow(qdict);
50 visit_start_struct(v, NULL, NULL, 0, &local_err);
51 if (local_err) {
52 goto out;
55 qdict_del(pdict, "qom-type");
56 visit_type_str(v, "qom-type", &type, &local_err);
57 if (local_err) {
58 goto out_visit;
61 qdict_del(pdict, "id");
62 visit_type_str(v, "id", &id, &local_err);
63 if (local_err) {
64 goto out_visit;
67 obj = user_creatable_add_type(type, id, pdict, v, &local_err);
68 if (local_err) {
69 goto out_visit;
72 out_visit:
73 visit_end_struct(v, &end_err);
74 if (end_err) {
75 error_propagate(&local_err, end_err);
76 if (obj) {
77 user_creatable_del(id, NULL);
79 goto out;
82 out:
83 QDECREF(pdict);
84 g_free(id);
85 g_free(type);
86 if (local_err) {
87 error_propagate(errp, local_err);
88 object_unref(obj);
89 return NULL;
91 return obj;
95 Object *user_creatable_add_type(const char *type, const char *id,
96 const QDict *qdict,
97 Visitor *v, Error **errp)
99 Object *obj;
100 ObjectClass *klass;
101 const QDictEntry *e;
102 Error *local_err = NULL;
104 klass = object_class_by_name(type);
105 if (!klass) {
106 error_setg(errp, "invalid object type: %s", type);
107 return NULL;
110 if (!object_class_dynamic_cast(klass, TYPE_USER_CREATABLE)) {
111 error_setg(errp, "object type '%s' isn't supported by object-add",
112 type);
113 return NULL;
116 if (object_class_is_abstract(klass)) {
117 error_setg(errp, "object type '%s' is abstract", type);
118 return NULL;
121 obj = object_new(type);
122 if (qdict) {
123 for (e = qdict_first(qdict); e; e = qdict_next(qdict, e)) {
124 object_property_set(obj, v, e->key, &local_err);
125 if (local_err) {
126 goto out;
131 object_property_add_child(object_get_objects_root(),
132 id, obj, &local_err);
133 if (local_err) {
134 goto out;
137 user_creatable_complete(obj, &local_err);
138 if (local_err) {
139 object_property_del(object_get_objects_root(),
140 id, &error_abort);
141 goto out;
143 out:
144 if (local_err) {
145 error_propagate(errp, local_err);
146 object_unref(obj);
147 return NULL;
149 return obj;
153 Object *user_creatable_add_opts(QemuOpts *opts, Error **errp)
155 OptsVisitor *ov;
156 QDict *pdict;
157 Object *obj = NULL;
159 ov = opts_visitor_new(opts);
160 pdict = qemu_opts_to_qdict(opts, NULL);
162 obj = user_creatable_add(pdict, opts_get_visitor(ov), errp);
163 opts_visitor_cleanup(ov);
164 QDECREF(pdict);
165 return obj;
169 int user_creatable_add_opts_foreach(void *opaque, QemuOpts *opts, Error **errp)
171 bool (*type_predicate)(const char *) = opaque;
172 Object *obj = NULL;
173 const char *type;
175 type = qemu_opt_get(opts, "qom-type");
176 if (type && type_predicate &&
177 !type_predicate(type)) {
178 return 0;
181 obj = user_creatable_add_opts(opts, errp);
182 if (!obj) {
183 return -1;
185 object_unref(obj);
186 return 0;
190 void user_creatable_del(const char *id, Error **errp)
192 Object *container;
193 Object *obj;
195 container = object_get_objects_root();
196 obj = object_resolve_path_component(container, id);
197 if (!obj) {
198 error_setg(errp, "object '%s' not found", id);
199 return;
202 if (!user_creatable_can_be_deleted(USER_CREATABLE(obj), errp)) {
203 error_setg(errp, "object '%s' is in use, can not be deleted", id);
204 return;
206 object_unparent(obj);
209 static void register_types(void)
211 static const TypeInfo uc_interface_info = {
212 .name = TYPE_USER_CREATABLE,
213 .parent = TYPE_INTERFACE,
214 .class_size = sizeof(UserCreatableClass),
217 type_register_static(&uc_interface_info);
220 type_init(register_types)