xref: /openbmc/qemu/hw/s390x/virtio-ccw-net.c (revision e50a24ea)
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 #include "hw/virtio/virtio-net.h"
19 
20 #define TYPE_VIRTIO_NET_CCW "virtio-net-ccw"
21 OBJECT_DECLARE_SIMPLE_TYPE(VirtIONetCcw, VIRTIO_NET_CCW)
22 
23 struct VirtIONetCcw {
24     VirtioCcwDevice parent_obj;
25     VirtIONet vdev;
26 };
27 
28 static void virtio_ccw_net_realize(VirtioCcwDevice *ccw_dev, Error **errp)
29 {
30     DeviceState *qdev = DEVICE(ccw_dev);
31     VirtIONetCcw *dev = VIRTIO_NET_CCW(ccw_dev);
32     DeviceState *vdev = DEVICE(&dev->vdev);
33 
34     virtio_net_set_netclient_name(&dev->vdev, qdev->id,
35                                   object_get_typename(OBJECT(qdev)));
36     qdev_realize(vdev, BUS(&ccw_dev->bus), errp);
37 }
38 
39 static void virtio_ccw_net_instance_init(Object *obj)
40 {
41     VirtIONetCcw *dev = VIRTIO_NET_CCW(obj);
42 
43     virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
44                                 TYPE_VIRTIO_NET);
45     object_property_add_alias(obj, "bootindex", OBJECT(&dev->vdev),
46                               "bootindex");
47 }
48 
49 static Property virtio_ccw_net_properties[] = {
50     DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
51                     VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
52     DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
53                        VIRTIO_CCW_MAX_REV),
54     DEFINE_PROP_CCW_LOADPARM("loadparm", CcwDevice, loadparm),
55     DEFINE_PROP_END_OF_LIST(),
56 };
57 
58 static void virtio_ccw_net_class_init(ObjectClass *klass, void *data)
59 {
60     DeviceClass *dc = DEVICE_CLASS(klass);
61     VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
62 
63     k->realize = virtio_ccw_net_realize;
64     device_class_set_props(dc, virtio_ccw_net_properties);
65     set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
66 }
67 
68 static const TypeInfo virtio_ccw_net = {
69     .name          = TYPE_VIRTIO_NET_CCW,
70     .parent        = TYPE_VIRTIO_CCW_DEVICE,
71     .instance_size = sizeof(VirtIONetCcw),
72     .instance_init = virtio_ccw_net_instance_init,
73     .class_init    = virtio_ccw_net_class_init,
74 };
75 
76 static void virtio_ccw_net_register(void)
77 {
78     type_register_static(&virtio_ccw_net);
79 }
80 
81 type_init(virtio_ccw_net_register)
82