#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_config.h> /* The ID for virtio_balloon */ #define VIRTIO_ID_BALLOON 5 /* 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 */