]>
Commit | Line | Data |
---|---|---|
d8d4d62c TH |
1 | /* |
2 | * vhost vsock ccw implementation | |
3 | * | |
4 | * This work is licensed under the terms of the GNU GPL, version 2 or (at | |
5 | * your option) any later version. See the COPYING file in the top-level | |
6 | * directory. | |
7 | */ | |
8 | ||
9 | #include "qemu/osdep.h" | |
a27bd6c7 | 10 | #include "hw/qdev-properties.h" |
d8d4d62c TH |
11 | #include "hw/virtio/virtio.h" |
12 | #include "qapi/error.h" | |
0b8fa32f | 13 | #include "qemu/module.h" |
d8d4d62c | 14 | #include "virtio-ccw.h" |
7da50d64 PB |
15 | #include "hw/virtio/vhost-vsock.h" |
16 | ||
17 | #define TYPE_VHOST_VSOCK_CCW "vhost-vsock-ccw" | |
18 | OBJECT_DECLARE_SIMPLE_TYPE(VHostVSockCCWState, VHOST_VSOCK_CCW) | |
19 | ||
20 | struct VHostVSockCCWState { | |
21 | VirtioCcwDevice parent_obj; | |
22 | VHostVSock vdev; | |
23 | }; | |
d8d4d62c TH |
24 | |
25 | static Property vhost_vsock_ccw_properties[] = { | |
26 | DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, | |
27 | VIRTIO_CCW_MAX_REV), | |
28 | DEFINE_PROP_END_OF_LIST(), | |
29 | }; | |
30 | ||
31 | static void vhost_vsock_ccw_realize(VirtioCcwDevice *ccw_dev, Error **errp) | |
32 | { | |
33 | VHostVSockCCWState *dev = VHOST_VSOCK_CCW(ccw_dev); | |
34 | DeviceState *vdev = DEVICE(&dev->vdev); | |
35 | ||
99ba777e | 36 | qdev_realize(vdev, BUS(&ccw_dev->bus), errp); |
d8d4d62c TH |
37 | } |
38 | ||
39 | static void vhost_vsock_ccw_class_init(ObjectClass *klass, void *data) | |
40 | { | |
41 | DeviceClass *dc = DEVICE_CLASS(klass); | |
42 | VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); | |
43 | ||
44 | k->realize = vhost_vsock_ccw_realize; | |
45 | set_bit(DEVICE_CATEGORY_MISC, dc->categories); | |
4f67d30b | 46 | device_class_set_props(dc, vhost_vsock_ccw_properties); |
d8d4d62c TH |
47 | } |
48 | ||
49 | static void vhost_vsock_ccw_instance_init(Object *obj) | |
50 | { | |
51 | VHostVSockCCWState *dev = VHOST_VSOCK_CCW(obj); | |
a6704a34 SG |
52 | VirtioCcwDevice *ccw_dev = VIRTIO_CCW_DEVICE(obj); |
53 | VirtIODevice *virtio_dev; | |
d8d4d62c TH |
54 | |
55 | virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), | |
56 | TYPE_VHOST_VSOCK); | |
a6704a34 SG |
57 | |
58 | virtio_dev = VIRTIO_DEVICE(&dev->vdev); | |
59 | ||
60 | /* | |
61 | * To avoid migration issues, we force virtio version 1 only when | |
62 | * legacy check is enabled in the new machine types (>= 5.1). | |
63 | */ | |
64 | if (!virtio_legacy_check_disabled(virtio_dev)) { | |
65 | ccw_dev->force_revision_1 = true; | |
66 | } | |
d8d4d62c TH |
67 | } |
68 | ||
69 | static const TypeInfo vhost_vsock_ccw_info = { | |
70 | .name = TYPE_VHOST_VSOCK_CCW, | |
71 | .parent = TYPE_VIRTIO_CCW_DEVICE, | |
72 | .instance_size = sizeof(VHostVSockCCWState), | |
73 | .instance_init = vhost_vsock_ccw_instance_init, | |
74 | .class_init = vhost_vsock_ccw_class_init, | |
75 | }; | |
76 | ||
77 | static void vhost_vsock_ccw_register(void) | |
78 | { | |
79 | type_register_static(&vhost_vsock_ccw_info); | |
80 | } | |
81 | ||
82 | type_init(vhost_vsock_ccw_register) |