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
  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)