diff options
Diffstat (limited to 'hw/s390x/virtio-ccw-balloon.c')
-rw-r--r-- | hw/s390x/virtio-ccw-balloon.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/hw/s390x/virtio-ccw-balloon.c b/hw/s390x/virtio-ccw-balloon.c new file mode 100644 index 0000000000..28d171ac0c --- /dev/null +++ b/hw/s390x/virtio-ccw-balloon.c @@ -0,0 +1,70 @@ +/* + * 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 "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) |