1dcfd8286SThomas Huth /* 2dcfd8286SThomas Huth * virtio ccw balloon implementation 3dcfd8286SThomas Huth * 4dcfd8286SThomas Huth * Copyright 2012, 2015 IBM Corp. 5dcfd8286SThomas Huth * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com> 6dcfd8286SThomas Huth * 7dcfd8286SThomas Huth * This work is licensed under the terms of the GNU GPL, version 2 or (at 8dcfd8286SThomas Huth * your option) any later version. See the COPYING file in the top-level 9dcfd8286SThomas Huth * directory. 10dcfd8286SThomas Huth */ 11dcfd8286SThomas Huth 12dcfd8286SThomas Huth #include "qemu/osdep.h" 13a27bd6c7SMarkus Armbruster #include "hw/qdev-properties.h" 14dcfd8286SThomas Huth #include "hw/virtio/virtio.h" 15dcfd8286SThomas Huth #include "qapi/error.h" 160b8fa32fSMarkus Armbruster #include "qemu/module.h" 17dcfd8286SThomas Huth #include "virtio-ccw.h" 18dcfd8286SThomas Huth 19dcfd8286SThomas Huth static void virtio_ccw_balloon_realize(VirtioCcwDevice *ccw_dev, Error **errp) 20dcfd8286SThomas Huth { 21dcfd8286SThomas Huth VirtIOBalloonCcw *dev = VIRTIO_BALLOON_CCW(ccw_dev); 22dcfd8286SThomas Huth DeviceState *vdev = DEVICE(&dev->vdev); 23dcfd8286SThomas Huth 24dcfd8286SThomas Huth qdev_set_parent_bus(vdev, BUS(&ccw_dev->bus)); 25dcfd8286SThomas Huth object_property_set_bool(OBJECT(vdev), true, "realized", errp); 26dcfd8286SThomas Huth } 27dcfd8286SThomas Huth 28dcfd8286SThomas Huth static void virtio_ccw_balloon_instance_init(Object *obj) 29dcfd8286SThomas Huth { 30dcfd8286SThomas Huth VirtIOBalloonCcw *dev = VIRTIO_BALLOON_CCW(obj); 31dcfd8286SThomas Huth 32dcfd8286SThomas Huth virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), 33dcfd8286SThomas Huth TYPE_VIRTIO_BALLOON); 34dcfd8286SThomas Huth object_property_add_alias(obj, "guest-stats", OBJECT(&dev->vdev), 35dcfd8286SThomas Huth "guest-stats", &error_abort); 36dcfd8286SThomas Huth object_property_add_alias(obj, "guest-stats-polling-interval", 37dcfd8286SThomas Huth OBJECT(&dev->vdev), 38dcfd8286SThomas Huth "guest-stats-polling-interval", &error_abort); 39dcfd8286SThomas Huth } 40dcfd8286SThomas Huth 41dcfd8286SThomas Huth static Property virtio_ccw_balloon_properties[] = { 42dcfd8286SThomas Huth DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, 43dcfd8286SThomas Huth VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), 44dcfd8286SThomas Huth DEFINE_PROP_UINT32("max_revision", VirtioCcwDevice, max_rev, 45dcfd8286SThomas Huth VIRTIO_CCW_MAX_REV), 46dcfd8286SThomas Huth DEFINE_PROP_END_OF_LIST(), 47dcfd8286SThomas Huth }; 48dcfd8286SThomas Huth 49dcfd8286SThomas Huth static void virtio_ccw_balloon_class_init(ObjectClass *klass, void *data) 50dcfd8286SThomas Huth { 51dcfd8286SThomas Huth DeviceClass *dc = DEVICE_CLASS(klass); 52dcfd8286SThomas Huth VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_CLASS(klass); 53dcfd8286SThomas Huth 54dcfd8286SThomas Huth k->realize = virtio_ccw_balloon_realize; 55*4f67d30bSMarc-André Lureau device_class_set_props(dc, virtio_ccw_balloon_properties); 56dcfd8286SThomas Huth set_bit(DEVICE_CATEGORY_MISC, dc->categories); 57dcfd8286SThomas Huth } 58dcfd8286SThomas Huth 59dcfd8286SThomas Huth static const TypeInfo virtio_ccw_balloon = { 60dcfd8286SThomas Huth .name = TYPE_VIRTIO_BALLOON_CCW, 61dcfd8286SThomas Huth .parent = TYPE_VIRTIO_CCW_DEVICE, 62dcfd8286SThomas Huth .instance_size = sizeof(VirtIOBalloonCcw), 63dcfd8286SThomas Huth .instance_init = virtio_ccw_balloon_instance_init, 64dcfd8286SThomas Huth .class_init = virtio_ccw_balloon_class_init, 65dcfd8286SThomas Huth }; 66dcfd8286SThomas Huth 67dcfd8286SThomas Huth static void virtio_ccw_balloon_register(void) 68dcfd8286SThomas Huth { 69dcfd8286SThomas Huth type_register_static(&virtio_ccw_balloon); 70dcfd8286SThomas Huth } 71dcfd8286SThomas Huth 72dcfd8286SThomas Huth type_init(virtio_ccw_balloon_register) 73