43 lines
945 B
C
43 lines
945 B
C
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/*
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* Virtio Support
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*
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* Copyright IBM, Corp. 2007-2008
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*
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* Authors:
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* Anthony Liguori <aliguori@us.ibm.com>
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* Rusty Russell <rusty@rustcorp.com.au>
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*
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* This work is licensed under the terms of the GNU GPL, version 2. See
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* the COPYING file in the top-level directory.
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*
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*/
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#ifndef _QEMU_VIRTIO_BALLOON_H
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#define _QEMU_VIRTIO_BALLOON_H
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#include "virtio.h"
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#include "pci.h"
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/* from Linux's linux/virtio_balloon.h */
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/* The ID for virtio_balloon */
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#define VIRTIO_ID_BALLOON 5
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/* The feature bitmap for virtio balloon */
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#define VIRTIO_BALLOON_F_MUST_TELL_HOST 0 /* Tell before reclaiming pages */
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/* Size of a PFN in the balloon interface. */
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#define VIRTIO_BALLOON_PFN_SHIFT 12
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struct virtio_balloon_config
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{
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/* Number of pages host wants Guest to give up. */
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uint32_t num_pages;
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/* Number of pages we've actually got in balloon. */
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uint32_t actual;
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};
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void *virtio_balloon_init(PCIBus *bus);
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#endif
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