41 lines
		
	
	
		
			904 B
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			41 lines
		
	
	
		
			904 B
		
	
	
	
		
			C
		
	
	
	
/*
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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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#endif
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