| /* |
| * 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; |
| }; |
| |
| void *virtio_balloon_init(PCIBus *bus); |
| |
| #endif |
