26 void qbus_set_hotplug_handler(BusState *bus, Object *handler)  in qbus_set_hotplug_handler()  argument
28     object_property_set_link(OBJECT(bus), QDEV_HOTPLUG_HANDLER_PROPERTY,  in qbus_set_hotplug_handler()
32 void qbus_set_bus_hotplug_handler(BusState *bus)  in qbus_set_bus_hotplug_handler()  argument
34     qbus_set_hotplug_handler(bus, OBJECT(bus));  in qbus_set_bus_hotplug_handler()
37 int qbus_walk_children(BusState *bus,  in qbus_walk_children()  argument
46         err = pre_busfn(bus, opaque);  in qbus_walk_children()
53         QTAILQ_FOREACH_RCU(kid, &bus->children, sibling) {  in qbus_walk_children()
64         err = post_busfn(bus, opaque);  in qbus_walk_children()
73 void bus_cold_reset(BusState *bus)  in bus_cold_reset()  argument
75     resettable_reset(OBJECT(bus), RESET_TYPE_COLD);  in bus_cold_reset()
78 bool bus_is_in_reset(BusState *bus)  in bus_is_in_reset()  argument
80     return resettable_is_in_reset(OBJECT(bus));  in bus_is_in_reset()
85     BusState *bus = BUS(obj);  in bus_get_reset_state()  local
86     return &bus->reset;  in bus_get_reset_state()
92     BusState *bus = BUS(obj);  in bus_reset_child_foreach()  local
96         QTAILQ_FOREACH_RCU(kid, &bus->children, sibling) {  in bus_reset_child_foreach()
102 static void qbus_init_internal(BusState *bus, DeviceState *parent,  in qbus_init_internal()  argument
105     const char *typename = object_get_typename(OBJECT(bus));  in qbus_init_internal()
109     bus->parent = parent;  in qbus_init_internal()
112         bus->name = g_strdup(name);  in qbus_init_internal()
113     } else if (bus->parent && bus->parent->id) {  in qbus_init_internal()
114         /* parent device has id -> use it plus parent-bus-id for bus name */  in qbus_init_internal()
115         bus_id = bus->parent->num_child_bus;  in qbus_init_internal()
116         bus->name = g_strdup_printf("%s.%d", bus->parent->id, bus_id);  in qbus_init_internal()
118         /* no id -> use lowercase bus type plus global bus-id for bus name */  in qbus_init_internal()
119         bc = BUS_GET_CLASS(bus);  in qbus_init_internal()
121         bus->name = g_strdup_printf("%s.%d", typename, bus_id);  in qbus_init_internal()
122         for (i = 0; bus->name[i]; i++) {  in qbus_init_internal()
123             bus->name[i] = qemu_tolower(bus->name[i]);  in qbus_init_internal()
127     if (bus->parent) {  in qbus_init_internal()
128         QLIST_INSERT_HEAD(&bus->parent->child_bus, bus, sibling);  in qbus_init_internal()
129         bus->parent->num_child_bus++;  in qbus_init_internal()
130         object_property_add_child(OBJECT(bus->parent), bus->name, OBJECT(bus));  in qbus_init_internal()
131         object_unref(OBJECT(bus));  in qbus_init_internal()
133         /* The only bus without a parent is the main system bus */  in qbus_init_internal()
134         assert(bus == sysbus_get_default());  in qbus_init_internal()
140     BusState *bus = BUS(obj);  in bus_unparent()  local
143     /* Only the main system bus has no parent, and that bus is never freed */  in bus_unparent()
144     assert(bus->parent);  in bus_unparent()
146     while ((kid = QTAILQ_FIRST(&bus->children)) != NULL) {  in bus_unparent()
150     QLIST_REMOVE(bus, sibling);  in bus_unparent()
151     bus->parent->num_child_bus--;  in bus_unparent()
152     bus->parent = NULL;  in bus_unparent()
155 void qbus_init(void *bus, size_t size, const char *typename,  in qbus_init()  argument
158     object_initialize(bus, size, typename);  in qbus_init()
159     qbus_init_internal(bus, parent, name);  in qbus_init()
164     BusState *bus;  in qbus_new()  local
166     bus = BUS(object_new(typename));  in qbus_new()
167     qbus_init_internal(bus, parent, name);  in qbus_new()
169     return bus;  in qbus_new()
172 bool qbus_realize(BusState *bus, Error **errp)  in qbus_realize()  argument
174     return object_property_set_bool(OBJECT(bus), "realized", true, errp);  in qbus_realize()
177 void qbus_unrealize(BusState *bus)  in qbus_unrealize()  argument
179     object_property_set_bool(OBJECT(bus), "realized", false, &error_abort);  in qbus_unrealize()
184     BusState *bus = BUS(obj);  in bus_get_realized()  local
186     return bus->realized;  in bus_get_realized()
191     BusState *bus = BUS(obj);  in bus_set_realized()  local
192     BusClass *bc = BUS_GET_CLASS(bus);  in bus_set_realized()
195     if (value && !bus->realized) {  in bus_set_realized()
197             bc->realize(bus, errp);  in bus_set_realized()
201     } else if (!value && bus->realized) {  in bus_set_realized()
203             QTAILQ_FOREACH_RCU(kid, &bus->children, sibling) {  in bus_set_realized()
209             bc->unrealize(bus);  in bus_set_realized()
213     bus->realized = value;  in bus_set_realized()
218     BusState *bus = BUS(obj);  in qbus_initfn()  local
220     QTAILQ_INIT(&bus->children);  in qbus_initfn()
223                              (Object **)&bus->hotplug_handler,  in qbus_initfn()
249     BusState *bus = BUS(obj);  in qbus_finalize()  local
251     g_free(bus->name);  in qbus_finalize()