4 * Copyright IBM, Corp. 2007-2008
7 * Anthony Liguori <aliguori@us.ibm.com>
8 * Rusty Russell <rusty@rustcorp.com.au>
10 * This work is licensed under the terms of the GNU GPL, version 2. See
11 * the COPYING file in the top-level directory.
15 #ifndef QEMU_VIRTIO_BALLOON_H
16 #define QEMU_VIRTIO_BALLOON_H
18 #include "standard-headers/linux/virtio_balloon.h"
19 #include "hw/virtio/virtio.h"
20 #include "hw/pci/pci.h"
22 #define TYPE_VIRTIO_BALLOON "virtio-balloon-device"
23 #define VIRTIO_BALLOON(obj) \
24 OBJECT_CHECK(VirtIOBalloon, (obj), TYPE_VIRTIO_BALLOON)
26 typedef struct virtio_balloon_stat VirtIOBalloonStat
;
28 typedef struct virtio_balloon_stat_modern
{
32 } VirtIOBalloonStatModern
;
34 typedef struct VirtIOBalloon
{
35 VirtIODevice parent_obj
;
36 VirtQueue
*ivq
, *dvq
, *svq
;
39 uint64_t stats
[VIRTIO_BALLOON_S_NR
];
40 VirtQueueElement
*stats_vq_elem
;
41 size_t stats_vq_offset
;
42 QEMUTimer
*stats_timer
;
43 int64_t stats_last_update
;
44 int64_t stats_poll_interval
;
45 uint32_t host_features
;