/* * Virtio Support * * Copyright IBM, Corp. 2007-2008 * * Authors: * Anthony Liguori <aliguori@us.ibm.com> * Rusty Russell <rusty@rustcorp.com.au> * * This work is licensed under the terms of the GNU GPL, version 2. See * the COPYING file in the top-level directory. * */ #ifndef _QEMU_VIRTIO_BALLOON_H #define _QEMU_VIRTIO_BALLOON_H #include "virtio.h" #include "pci.h" /* from Linux's linux/virtio_balloon.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. */ uint32_t num_pages; /* Number of pages we've actually got in balloon. */ uint32_t actual; }; #endif