LXR qemu/hw/s390x/virtio-ccw-gpu.c

   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
  16static 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
  25static 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
  35static 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
  43static 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
  54static 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
  62static void virtio_ccw_gpu_register(void)
  63{
  64    type_register_static(&virtio_ccw_gpu);
  65}
  66
  67type_init(virtio_ccw_gpu_register)
  68