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/qdev-properties.h"
  13#include "hw/virtio/virtio.h"
  14#include "qapi/error.h"
  15#include "qemu/module.h"
  16#include "virtio-ccw.h"
  17
  18static void virtio_ccw_gpu_realize(VirtioCcwDevice *ccw_dev, Error **errp)
  19{
  20    VirtIOGPUCcw *dev = VIRTIO_GPU_CCW(ccw_dev);
  21    DeviceState *vdev = DEVICE(&dev->vdev);
  22
  23    qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus));
  24    object_property_set_bool(OBJECT(vdev), true, "realized", errp);
  25}
  26
  27static void virtio_ccw_gpu_instance_init(Object *obj)
  28{
  29    VirtIOGPUCcw *dev = VIRTIO_GPU_CCW(obj);
  30    VirtioCcwDevice *ccw_dev = VIRTIO_CCW_DEVICE(obj);
  31
  32    ccw_dev->force_revision_1 = true;
  33    virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
  34                                TYPE_VIRTIO_GPU);
  35}
  36
  37static Property virtio_ccw_gpu_properties[] = {
  38    DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
  39                    VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
  40    DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
  41                       VIRTIO_CCW_MAX_REV),
  42    DEFINE_PROP_END_OF_LIST(),
  43};
  44
  45static void virtio_ccw_gpu_class_init(ObjectClass *klass, void *data)
  46{
  47    DeviceClass *dc = DEVICE_CLASS(klass);
  48    VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
  49
  50    k->realize = virtio_ccw_gpu_realize;
  51    dc->props = virtio_ccw_gpu_properties;
  52    dc->hotpluggable = false;
  53    set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
  54}
  55
  56static const TypeInfo virtio_ccw_gpu = {
  57    .name          = TYPE_VIRTIO_GPU_CCW,
  58    .parent        = TYPE_VIRTIO_CCW_DEVICE,
  59    .instance_size = sizeof(VirtIOGPUCcw),
  60    .instance_init = virtio_ccw_gpu_instance_init,
  61    .class_init    = virtio_ccw_gpu_class_init,
  62};
  63
  64static void virtio_ccw_gpu_register(void)
  65{
  66    type_register_static(&virtio_ccw_gpu);
  67}
  68
  69type_init(virtio_ccw_gpu_register)
  70