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-balloon.c (2322B)

      1/*
      2 * virtio ccw balloon implementation
      3 *
      4 * Copyright 2012, 2015 IBM Corp.
      5 * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
      6 *
      7 * This work is licensed under the terms of the GNU GPL, version 2 or (at
      8 * your option) any later version. See the COPYING file in the top-level
      9 * directory.
     10 */
     11
     12#include "qemu/osdep.h"
     13#include "hw/qdev-properties.h"
     14#include "hw/virtio/virtio.h"
     15#include "qapi/error.h"
     16#include "qemu/module.h"
     17#include "virtio-ccw.h"
     18
     19static void virtio_ccw_balloon_realize(VirtioCcwDevice *ccw_dev, Error **errp)
     20{
     21    VirtIOBalloonCcw *dev = VIRTIO_BALLOON_CCW(ccw_dev);
     22    DeviceState *vdev = DEVICE(&dev->vdev);
     23
     24    qdev_realize(vdev, BUS(&ccw_dev->bus), errp);
     25}
     26
     27static void virtio_ccw_balloon_instance_init(Object *obj)
     28{
     29    VirtIOBalloonCcw *dev = VIRTIO_BALLOON_CCW(obj);
     30
     31    virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
     32                                TYPE_VIRTIO_BALLOON);
     33    object_property_add_alias(obj, "guest-stats", OBJECT(&dev->vdev),
     34                              "guest-stats");
     35    object_property_add_alias(obj, "guest-stats-polling-interval",
     36                              OBJECT(&dev->vdev),
     37                              "guest-stats-polling-interval");
     38}
     39
     40static Property virtio_ccw_balloon_properties[] = {
     41    DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags,
     42                    VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true),
     43    DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev,
     44                       VIRTIO_CCW_MAX_REV),
     45    DEFINE_PROP_END_OF_LIST(),
     46};
     47
     48static void virtio_ccw_balloon_class_init(ObjectClass *klass, void *data)
     49{
     50    DeviceClass *dc = DEVICE_CLASS(klass);
     51    VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass);
     52
     53    k->realize = virtio_ccw_balloon_realize;
     54    device_class_set_props(dc, virtio_ccw_balloon_properties);
     55    set_bit(DEVICE_CATEGORY_MISC, dc->categories);
     56}
     57
     58static const TypeInfo virtio_ccw_balloon = {
     59    .name          = TYPE_VIRTIO_BALLOON_CCW,
     60    .parent        = TYPE_VIRTIO_CCW_DEVICE,
     61    .instance_size = sizeof(VirtIOBalloonCcw),
     62    .instance_init = virtio_ccw_balloon_instance_init,
     63    .class_init    = virtio_ccw_balloon_class_init,
     64};
     65
     66static void virtio_ccw_balloon_register(void)
     67{
     68    type_register_static(&virtio_ccw_balloon);
     69}
     70
     71type_init(virtio_ccw_balloon_register)