| /* |
| * virtio ccw balloon implementation |
| * |
| * Copyright 2012, 2015 IBM Corp. |
| * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com> |
| * |
| * This work is licensed under the terms of the GNU GPL, version 2 or (at |
| * your option) any later version. See the COPYING file in the top-level |
| * directory. |
| */ |
| |
| #include "qemu/osdep.h" |
| #include "hw/virtio/virtio.h" |
| #include "qapi/error.h" |
| #include "qemu/module.h" |
| #include "virtio-ccw.h" |
| |
| static void virtio_ccw_balloon_realize(VirtioCcwDevice *ccw_dev, Error **errp) |
| { |
| VirtIOBalloonCcw *dev = VIRTIO_BALLOON_CCW(ccw_dev); |
| DeviceState *vdev = DEVICE(&dev->vdev); |
| |
| qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); |
| object_property_set_bool(OBJECT(vdev), true, "realized", errp); |
| } |
| |
| static void virtio_ccw_balloon_instance_init(Object *obj) |
| { |
| VirtIOBalloonCcw *dev = VIRTIO_BALLOON_CCW(obj); |
| |
| virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), |
| TYPE_VIRTIO_BALLOON); |
| object_property_add_alias(obj, "guest-stats", OBJECT(&dev->vdev), |
| "guest-stats", &error_abort); |
| object_property_add_alias(obj, "guest-stats-polling-interval", |
| OBJECT(&dev->vdev), |
| "guest-stats-polling-interval", &error_abort); |
| } |
| |
| static Property virtio_ccw_balloon_properties[] = { |
| DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, |
| VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), |
| DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, |
| VIRTIO_CCW_MAX_REV), |
| DEFINE_PROP_END_OF_LIST(), |
| }; |
| |
| static void virtio_ccw_balloon_class_init(ObjectClass *klass, void *data) |
| { |
| DeviceClass *dc = DEVICE_CLASS(klass); |
| VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); |
| |
| k->realize = virtio_ccw_balloon_realize; |
| dc->props = virtio_ccw_balloon_properties; |
| set_bit(DEVICE_CATEGORY_MISC, dc->categories); |
| } |
| |
| static const TypeInfo virtio_ccw_balloon = { |
| .name = TYPE_VIRTIO_BALLOON_CCW, |
| .parent = TYPE_VIRTIO_CCW_DEVICE, |
| .instance_size = sizeof(VirtIOBalloonCcw), |
| .instance_init = virtio_ccw_balloon_instance_init, |
| .class_init = virtio_ccw_balloon_class_init, |
| }; |
| |
| static void virtio_ccw_balloon_register(void) |
| { |
| type_register_static(&virtio_ccw_balloon); |
| } |
| |
| type_init(virtio_ccw_balloon_register) |