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
  18 static 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
  26 static 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
  36 static 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
  44 static 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
  55 static 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 };
  62 module_obj(TYPE_VIRTIO_GPU_CCW);
  63
  64 static void virtio_ccw_gpu_register(void)
  65 {
  66     if (have_virtio_ccw) {
  67         type_register_static(&virtio_ccw_gpu);
  68     }
  69 }
  70
  71 type_init(virtio_ccw_gpu_register)
  72
  73 module_arch("s390x");