[deliverable/linux.git] / include / linux / virtio_balloon.h

#ifndef _LINUX_VIRTIO_BALLOON_H
#define _LINUX_VIRTIO_BALLOON_H
/* This header is BSD licensed so anyone can use the definitions to implement
 * compatible drivers/servers. */
#include <linux/virtio_ids.h>
#include <linux/virtio_config.h>

/* The feature bitmap for virtio balloon */
#define VIRTIO_BALLOON_F_MUST_TELL_HOST	0 /* Tell before reclaiming pages */

/* Size of a PFN in the balloon interface. */
#define VIRTIO_BALLOON_PFN_SHIFT 12

struct virtio_balloon_config
{
	/* Number of pages host wants Guest to give up. */
	__le32 num_pages;
	/* Number of pages we've actually got in balloon. */
	__le32 actual;
};
#endif /* _LINUX_VIRTIO_BALLOON_H */
Commit	Line	Data
6b35e407 RR	1	#ifndef _LINUX_VIRTIO_BALLOON_H
6b35e407 RR	2	#define _LINUX_VIRTIO_BALLOON_H
674bfc23 RR	3	/* This header is BSD licensed so anyone can use the definitions to implement
674bfc23 RR	4	* compatible drivers/servers. */
e95646c3	5	#include <linux/virtio_ids.h>
6b35e407 RR	6	#include <linux/virtio_config.h>
6b35e407 RR	7
6b35e407 RR	8	/* The feature bitmap for virtio balloon */
	9	#define VIRTIO_BALLOON_F_MUST_TELL_HOST 0 /* Tell before reclaiming pages */
	10
1b4aa2fa HB	11	/* Size of a PFN in the balloon interface. */
	12	#define VIRTIO_BALLOON_PFN_SHIFT 12
	13
6b35e407 RR	14	struct virtio_balloon_config
	15	{
	16	/* Number of pages host wants Guest to give up. */
	17	__le32 num_pages;
	18	/* Number of pages we've actually got in balloon. */
	19	__le32 actual;
	20	};
	21	#endif /* _LINUX_VIRTIO_BALLOON_H */