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608c380c30
virtio_balloon.h exports "u16" and "u64" to userspace. Use "__u16" and "__u64" instead. Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
60 lines
2.7 KiB
C
60 lines
2.7 KiB
C
#ifndef _LINUX_VIRTIO_BALLOON_H
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#define _LINUX_VIRTIO_BALLOON_H
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/* This header is BSD licensed so anyone can use the definitions to implement
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* compatible drivers/servers.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of IBM nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL IBM OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE. */
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#include <linux/virtio_ids.h>
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#include <linux/virtio_config.h>
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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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#define VIRTIO_BALLOON_F_STATS_VQ 1 /* Memory Stats virtqueue */
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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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__le32 num_pages;
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/* Number of pages we've actually got in balloon. */
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__le32 actual;
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};
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#define VIRTIO_BALLOON_S_SWAP_IN 0 /* Amount of memory swapped in */
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#define VIRTIO_BALLOON_S_SWAP_OUT 1 /* Amount of memory swapped out */
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#define VIRTIO_BALLOON_S_MAJFLT 2 /* Number of major faults */
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#define VIRTIO_BALLOON_S_MINFLT 3 /* Number of minor faults */
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#define VIRTIO_BALLOON_S_MEMFREE 4 /* Total amount of free memory */
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#define VIRTIO_BALLOON_S_MEMTOT 5 /* Total amount of memory */
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#define VIRTIO_BALLOON_S_NR 6
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struct virtio_balloon_stat {
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__u16 tag;
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__u64 val;
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} __attribute__((packed));
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#endif /* _LINUX_VIRTIO_BALLOON_H */
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