4 * Copyright 2018 IBM Corp.
6 * This work is licensed under the terms of the GNU GPL, version 2 or (at
7 * your option) any later version. See the COPYING file in the top-level
10 #include "qemu/osdep.h"
11 #include "qapi/error.h"
12 #include "hw/sysbus.h"
13 #include "qemu/bitops.h"
14 #include "hw/s390x/ap-bridge.h"
17 static char *ap_bus_get_dev_path(DeviceState
*dev
)
20 return g_strdup_printf("/1");
23 static void ap_bus_class_init(ObjectClass
*oc
, void *data
)
25 BusClass
*k
= BUS_CLASS(oc
);
27 k
->get_dev_path
= ap_bus_get_dev_path
;
28 /* More than one ap device does not make sense */
32 static const TypeInfo ap_bus_info
= {
36 .class_init
= ap_bus_class_init
,
39 void s390_init_ap(void)
43 /* If no AP instructions then no need for AP bridge */
44 if (!s390_has_feat(S390_FEAT_AP
)) {
48 /* Create bridge device */
49 dev
= qdev_create(NULL
, TYPE_AP_BRIDGE
);
50 object_property_add_child(qdev_get_machine(), TYPE_AP_BRIDGE
,
52 qdev_init_nofail(dev
);
54 /* Create bus on bridge device */
55 qbus_create(TYPE_AP_BUS
, dev
, TYPE_AP_BUS
);
58 static void ap_bridge_class_init(ObjectClass
*oc
, void *data
)
60 DeviceClass
*dc
= DEVICE_CLASS(oc
);
62 set_bit(DEVICE_CATEGORY_BRIDGE
, dc
->categories
);
65 static const TypeInfo ap_bridge_info
= {
66 .name
= TYPE_AP_BRIDGE
,
67 .parent
= TYPE_SYS_BUS_DEVICE
,
69 .class_init
= ap_bridge_class_init
,
72 static void ap_register(void)
74 type_register_static(&ap_bridge_info
);
75 type_register_static(&ap_bus_info
);
78 type_init(ap_register
)