DeviceState *qdev_new(const char *name)
{
- if (!object_class_by_name(name)) {
- module_load_qom_one(name);
+ ObjectClass *oc = object_class_by_name(name);
+#ifdef CONFIG_MODULES
+ if (!oc) {
+ int rv = module_load_qom(name, &error_fatal);
+ if (rv > 0) {
+ oc = object_class_by_name(name);
+ } else {
+ error_report("could not find a module for type '%s'", name);
+ exit(1);
+ }
+ }
+#endif
+ if (!oc) {
+ error_report("unknown type '%s'", name);
+ abort();
}
return DEVICE(object_new(name));
}
return NULL;
}
+void qdev_add_unplug_blocker(DeviceState *dev, Error *reason)
+{
+ dev->unplug_blockers = g_slist_prepend(dev->unplug_blockers, reason);
+}
+
+void qdev_del_unplug_blocker(DeviceState *dev, Error *reason)
+{
+ dev->unplug_blockers = g_slist_remove(dev->unplug_blockers, reason);
+}
+
+bool qdev_unplug_blocked(DeviceState *dev, Error **errp)
+{
+ if (dev->unplug_blockers) {
+ error_propagate(errp, error_copy(dev->unplug_blockers->data));
+ return true;
+ }
+
+ return false;
+}
+
static bool device_get_realized(Object *obj, Error **errp)
{
DeviceState *dev = DEVICE(obj);
DeviceState *dev = DEVICE(obj);
+ g_assert(!dev->unplug_blockers);
+
QLIST_FOREACH_SAFE(ngl, &dev->gpios, node, next) {
QLIST_REMOVE(ngl, node);
qemu_free_irqs(ngl->in, ngl->num_in);
if (dev->pending_deleted_event) {
g_assert(dev->canonical_path);
- qapi_event_send_device_deleted(!!dev->id, dev->id, dev->canonical_path);
+ qapi_event_send_device_deleted(dev->id, dev->canonical_path);
g_free(dev->canonical_path);
dev->canonical_path = NULL;
}