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authorDavid Howells <dhowells@redhat.com>2012-10-13 05:46:48 -0400
committerDavid Howells <dhowells@redhat.com>2012-10-13 05:46:48 -0400
commit607ca46e97a1b6594b29647d98a32d545c24bdff (patch)
tree30f4c0784bfddb57332cdc0678bd06d1e77fa185 /include/uapi/linux/virtio_balloon.h
parent08cce05c5a91f5017f4edc9866cf026908c73f9f (diff)
UAPI: (Scripted) Disintegrate include/linux
Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
Diffstat (limited to 'include/uapi/linux/virtio_balloon.h')
-rw-r--r--include/uapi/linux/virtio_balloon.h59
1 files changed, 59 insertions, 0 deletions
diff --git a/include/uapi/linux/virtio_balloon.h b/include/uapi/linux/virtio_balloon.h
new file mode 100644
index 000000000000..652dc8bea921
--- /dev/null
+++ b/include/uapi/linux/virtio_balloon.h
@@ -0,0 +1,59 @@
1#ifndef _LINUX_VIRTIO_BALLOON_H
2#define _LINUX_VIRTIO_BALLOON_H
3/* This header is BSD licensed so anyone can use the definitions to implement
4 * compatible drivers/servers.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. Neither the name of IBM nor the names of its contributors
15 * may be used to endorse or promote products derived from this software
16 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL IBM OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE. */
28#include <linux/virtio_ids.h>
29#include <linux/virtio_config.h>
30
31/* The feature bitmap for virtio balloon */
32#define VIRTIO_BALLOON_F_MUST_TELL_HOST 0 /* Tell before reclaiming pages */
33#define VIRTIO_BALLOON_F_STATS_VQ 1 /* Memory Stats virtqueue */
34
35/* Size of a PFN in the balloon interface. */
36#define VIRTIO_BALLOON_PFN_SHIFT 12
37
38struct virtio_balloon_config
39{
40 /* Number of pages host wants Guest to give up. */
41 __le32 num_pages;
42 /* Number of pages we've actually got in balloon. */
43 __le32 actual;
44};
45
46#define VIRTIO_BALLOON_S_SWAP_IN 0 /* Amount of memory swapped in */
47#define VIRTIO_BALLOON_S_SWAP_OUT 1 /* Amount of memory swapped out */
48#define VIRTIO_BALLOON_S_MAJFLT 2 /* Number of major faults */
49#define VIRTIO_BALLOON_S_MINFLT 3 /* Number of minor faults */
50#define VIRTIO_BALLOON_S_MEMFREE 4 /* Total amount of free memory */
51#define VIRTIO_BALLOON_S_MEMTOT 5 /* Total amount of memory */
52#define VIRTIO_BALLOON_S_NR 6
53
54struct virtio_balloon_stat {
55 u16 tag;
56 u64 val;
57} __attribute__((packed));
58
59#endif /* _LINUX_VIRTIO_BALLOON_H */