2 * Common device infrastructure for devices in the virtual css
4 * Copyright 2016 IBM Corp.
5 * Author(s): Jing Liu <liujbjl@linux.vnet.ibm.com>
7 * This work is licensed under the terms of the GNU GPL, version 2 or (at
8 * your option) any later version. See the COPYING file in the top-level
12 #include "qemu/osdep.h"
13 #include "ccw-device.h"
14 #include "qemu/module.h"
16 static void ccw_device_refill_ids(CcwDevice
*dev
)
18 SubchDev
*sch
= dev
->sch
;
22 dev
->dev_id
.cssid
= sch
->cssid
;
23 dev
->dev_id
.ssid
= sch
->ssid
;
24 dev
->dev_id
.devid
= sch
->devno
;
25 dev
->dev_id
.valid
= true;
27 dev
->subch_id
.cssid
= sch
->cssid
;
28 dev
->subch_id
.ssid
= sch
->ssid
;
29 dev
->subch_id
.devid
= sch
->schid
;
30 dev
->subch_id
.valid
= true;
33 static void ccw_device_realize(CcwDevice
*dev
, Error
**errp
)
35 ccw_device_refill_ids(dev
);
38 static Property ccw_device_properties
[] = {
39 DEFINE_PROP_CSS_DEV_ID("devno", CcwDevice
, devno
),
40 DEFINE_PROP_CSS_DEV_ID_RO("dev_id", CcwDevice
, dev_id
),
41 DEFINE_PROP_CSS_DEV_ID_RO("subch_id", CcwDevice
, subch_id
),
42 DEFINE_PROP_END_OF_LIST(),
45 static void ccw_device_reset(DeviceState
*d
)
47 CcwDevice
*ccw_dev
= CCW_DEVICE(d
);
49 css_reset_sch(ccw_dev
->sch
);
52 static void ccw_device_class_init(ObjectClass
*klass
, void *data
)
54 DeviceClass
*dc
= DEVICE_CLASS(klass
);
55 CCWDeviceClass
*k
= CCW_DEVICE_CLASS(klass
);
57 k
->realize
= ccw_device_realize
;
58 k
->refill_ids
= ccw_device_refill_ids
;
59 dc
->props
= ccw_device_properties
;
60 dc
->reset
= ccw_device_reset
;
63 const VMStateDescription vmstate_ccw_dev
= {
64 .name
= "s390_ccw_dev",
66 .minimum_version_id
= 1,
67 .fields
= (VMStateField
[]) {
68 VMSTATE_STRUCT_POINTER(sch
, CcwDevice
, vmstate_subch_dev
, SubchDev
),
73 static const TypeInfo ccw_device_info
= {
74 .name
= TYPE_CCW_DEVICE
,
75 .parent
= TYPE_DEVICE
,
76 .instance_size
= sizeof(CcwDevice
),
77 .class_size
= sizeof(CCWDeviceClass
),
78 .class_init
= ccw_device_class_init
,
82 static void ccw_device_register(void)
84 type_register_static(&ccw_device_info
);
87 type_init(ccw_device_register
)