cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
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virtio-ccw-gpu.c (2110B)

      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");