xref: /openbmc/qemu/hw/s390x/virtio-ccw-net.c (revision 6cdda0ff)
1 /*
2  * virtio ccw net implementation
3  *
4  * Copyright 2012, 2015 IBM Corp.
5  * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
6  *
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
9  * directory.
10  */
11 
12 #include "qemu/osdep.h"
13 #include "hw/qdev-properties.h"
14 #include "hw/virtio/virtio.h"
15 #include "qapi/error.h"
16 #include "qemu/module.h"
17 #include "virtio-ccw.h"
18 
19 static void virtio_ccw_net_realize(VirtioCcwDevice *ccw_dev, Error **errp)
20 {
21     DeviceState *qdev = DEVICE(ccw_dev);
22     VirtIONetCcw *dev = VIRTIO_NET_CCW(ccw_dev);
23     DeviceState *vdev = DEVICE(&dev->vdev);
24 
25     virtio_net_set_netclient_name(&dev->vdev, qdev->id,
26                                   object_get_typename(OBJECT(qdev)));
27     qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
28     object_property_set_bool(OBJECT(vdev), true, "realized", errp);
29 }
30 
31 static void virtio_ccw_net_instance_init(Object *obj)
32 {
33     VirtIONetCcw *dev = VIRTIO_NET_CCW(obj);
34 
35     virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
36                                 TYPE_VIRTIO_NET);
37     object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev),
38                               "bootindex", &error_abort);
39 }
40 
41 static Property virtio_ccw_net_properties[] = {
42     DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
43                     VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
44     DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
45                        VIRTIO_CCW_MAX_REV),
46     DEFINE_PROP_END_OF_LIST(),
47 };
48 
49 static void virtio_ccw_net_class_init(ObjectClass *klass, void *data)
50 {
51     DeviceClass *dc = DEVICE_CLASS(klass);
52     VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
53 
54     k->realize = virtio_ccw_net_realize;
55     device_class_set_props(dc, virtio_ccw_net_properties);
56     set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
57 }
58 
59 static const TypeInfo virtio_ccw_net = {
60     .name          = TYPE_VIRTIO_NET_CCW,
61     .parent        = TYPE_VIRTIO_CCW_DEVICE,
62     .instance_size = sizeof(VirtIONetCcw),
63     .instance_init = virtio_ccw_net_instance_init,
64     .class_init    = virtio_ccw_net_class_init,
65 };
66 
67 static void virtio_ccw_net_register(void)
68 {
69     type_register_static(&virtio_ccw_net);
70 }
71 
72 type_init(virtio_ccw_net_register)
73