xref: /openbmc/qemu/hw/s390x/virtio-ccw-gpu.c (revision 750541c4)
1 /*
2  * virtio ccw gpu implementation
3  *
4  * Copyright 2012, 2015 IBM Corp.
5  *
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
8  * directory.
9  */
10 
11 #include "qemu/osdep.h"
12 #include "hw/virtio/virtio.h"
13 #include "qapi/error.h"
14 #include "virtio-ccw.h"
15 
16 static void virtio_ccw_gpu_realize(VirtioCcwDevice *ccw_dev, Error **errp)
17 {
18     VirtIOGPUCcw *dev = VIRTIO_GPU_CCW(ccw_dev);
19     DeviceState *vdev = DEVICE(&dev->vdev);
20 
21     qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
22     object_property_set_bool(OBJECT(vdev), true, "realized", errp);
23 }
24 
25 static void virtio_ccw_gpu_instance_init(Object *obj)
26 {
27     VirtIOGPUCcw *dev = VIRTIO_GPU_CCW(obj);
28     VirtioCcwDevice *ccw_dev = VIRTIO_CCW_DEVICE(obj);
29 
30     ccw_dev->force_revision_1 = true;
31     virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
32                                 TYPE_VIRTIO_GPU);
33 }
34 
35 static Property virtio_ccw_gpu_properties[] = {
36     DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
37                     VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
38     DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
39                        VIRTIO_CCW_MAX_REV),
40     DEFINE_PROP_END_OF_LIST(),
41 };
42 
43 static void virtio_ccw_gpu_class_init(ObjectClass *klass, void *data)
44 {
45     DeviceClass *dc = DEVICE_CLASS(klass);
46     VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
47 
48     k->realize = virtio_ccw_gpu_realize;
49     dc->props = virtio_ccw_gpu_properties;
50     dc->hotpluggable = false;
51     set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
52 }
53 
54 static const TypeInfo virtio_ccw_gpu = {
55     .name          = TYPE_VIRTIO_GPU_CCW,
56     .parent        = TYPE_VIRTIO_CCW_DEVICE,
57     .instance_size = sizeof(VirtIOGPUCcw),
58     .instance_init = virtio_ccw_gpu_instance_init,
59     .class_init    = virtio_ccw_gpu_class_init,
60 };
61 
62 static void virtio_ccw_gpu_register(void)
63 {
64     type_register_static(&virtio_ccw_gpu);
65 }
66 
67 type_init(virtio_ccw_gpu_register)
68