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_realize(vdev, BUS(&ccw_dev->bus), errp);
  24}
  25
  26static void virtio_ccw_gpu_instance_init(Object *obj)
  27{
  28    VirtIOGPUCcw *dev = VIRTIO_GPU_CCW(obj);
  29    VirtioCcwDevice *ccw_dev = VIRTIO_CCW_DEVICE(obj);
  30
  31    ccw_dev->force_revision_1 = true;
  32    virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
  33                                TYPE_VIRTIO_GPU);
  34}
  35
  36static Property virtio_ccw_gpu_properties[] = {
  37    DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
  38                    VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
  39    DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
  40                       VIRTIO_CCW_MAX_REV),
  41    DEFINE_PROP_END_OF_LIST(),
  42};
  43
  44static void virtio_ccw_gpu_class_init(ObjectClass *klass, void *data)
  45{
  46    DeviceClass *dc = DEVICE_CLASS(klass);
  47    VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
  48
  49    k->realize = virtio_ccw_gpu_realize;
  50    device_class_set_props(dc, virtio_ccw_gpu_properties);
  51    dc->hotpluggable = false;
  52    set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
  53}
  54
  55static const TypeInfo virtio_ccw_gpu = {
  56    .name          = TYPE_VIRTIO_GPU_CCW,
  57    .parent        = TYPE_VIRTIO_CCW_DEVICE,
  58    .instance_size = sizeof(VirtIOGPUCcw),
  59    .instance_init = virtio_ccw_gpu_instance_init,
  60    .class_init    = virtio_ccw_gpu_class_init,
  61};
  62module_obj(TYPE_VIRTIO_GPU_CCW);
  63
  64static void virtio_ccw_gpu_register(void)
  65{
  66    if (have_virtio_ccw) {
  67        type_register_static(&virtio_ccw_gpu);
  68    }
  69}
  70
  71type_init(virtio_ccw_gpu_register)
  72
  73module_arch("s390x");
  74