Commit 9fbe302b authored by Michael S. Tsirkin's avatar Michael S. Tsirkin
Browse files

include: import virtio headers from linux 4.0 



Add files imported from linux-next (what will become linux 4.0) using
scripts/update-linux-headers.sh

Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
parent 1ff0b555

include/standard-headers/linux/if_ether.h

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#define ETH_ALEN    6

include/standard-headers/linux/types.h

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#include <inttypes.h>

#include "qemu/compiler.h"

include/standard-headers/linux/virtio_9p.h

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#ifndef _LINUX_VIRTIO_9P_H

#define _LINUX_VIRTIO_9P_H

/* This header is BSD licensed so anyone can use the definitions to implement

 * compatible drivers/servers.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 * 3. Neither the name of IBM nor the names of its contributors

 *    may be used to endorse or promote products derived from this software

 *    without specific prior written permission.

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND

 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

 * ARE DISCLAIMED.  IN NO EVENT SHALL IBM OR CONTRIBUTORS BE LIABLE

 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

 * SUCH DAMAGE. */

#include "standard-headers/linux/types.h"

#include "standard-headers/linux/virtio_ids.h"

#include "standard-headers/linux/virtio_config.h"



/* The feature bitmap for virtio 9P */



/* The mount point is specified in a config variable */

#define VIRTIO_9P_MOUNT_TAG 0



struct virtio_9p_config {

	/* length of the tag name */

	uint16_t tag_len;

	/* non-NULL terminated tag name */

	uint8_t tag[0];

} QEMU_PACKED;



#endif /* _LINUX_VIRTIO_9P_H */

include/standard-headers/linux/virtio_balloon.h

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#ifndef _LINUX_VIRTIO_BALLOON_H

#define _LINUX_VIRTIO_BALLOON_H

/* This header is BSD licensed so anyone can use the definitions to implement

 * compatible drivers/servers.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 * 3. Neither the name of IBM nor the names of its contributors

 *    may be used to endorse or promote products derived from this software

 *    without specific prior written permission.

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND

 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

 * ARE DISCLAIMED.  IN NO EVENT SHALL IBM OR CONTRIBUTORS BE LIABLE

 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

 * SUCH DAMAGE. */

#include "standard-headers/linux/virtio_ids.h"

#include "standard-headers/linux/virtio_config.h"



/* The feature bitmap for virtio balloon */

#define VIRTIO_BALLOON_F_MUST_TELL_HOST	0 /* Tell before reclaiming pages */

#define VIRTIO_BALLOON_F_STATS_VQ	1 /* Memory Stats virtqueue */

#define VIRTIO_BALLOON_F_DEFLATE_ON_OOM	2 /* Deflate balloon on OOM */



/* 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;

};



#define VIRTIO_BALLOON_S_SWAP_IN  0   /* Amount of memory swapped in */

#define VIRTIO_BALLOON_S_SWAP_OUT 1   /* Amount of memory swapped out */

#define VIRTIO_BALLOON_S_MAJFLT   2   /* Number of major faults */

#define VIRTIO_BALLOON_S_MINFLT   3   /* Number of minor faults */

#define VIRTIO_BALLOON_S_MEMFREE  4   /* Total amount of free memory */

#define VIRTIO_BALLOON_S_MEMTOT   5   /* Total amount of memory */

#define VIRTIO_BALLOON_S_NR       6



struct virtio_balloon_stat {

	uint16_t tag;

	uint64_t val;

} QEMU_PACKED;



#endif /* _LINUX_VIRTIO_BALLOON_H */

include/standard-headers/linux/virtio_blk.h

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#ifndef _LINUX_VIRTIO_BLK_H

#define _LINUX_VIRTIO_BLK_H

/* This header is BSD licensed so anyone can use the definitions to implement

 * compatible drivers/servers.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 * 3. Neither the name of IBM nor the names of its contributors

 *    may be used to endorse or promote products derived from this software

 *    without specific prior written permission.

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND

 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

 * ARE DISCLAIMED.  IN NO EVENT SHALL IBM OR CONTRIBUTORS BE LIABLE

 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

 * SUCH DAMAGE. */

#include "standard-headers/linux/types.h"

#include "standard-headers/linux/virtio_ids.h"

#include "standard-headers/linux/virtio_config.h"

#include "standard-headers/linux/virtio_types.h"



/* Feature bits */

#define VIRTIO_BLK_F_SIZE_MAX	1	/* Indicates maximum segment size */

#define VIRTIO_BLK_F_SEG_MAX	2	/* Indicates maximum # of segments */

#define VIRTIO_BLK_F_GEOMETRY	4	/* Legacy geometry available  */

#define VIRTIO_BLK_F_RO		5	/* Disk is read-only */

#define VIRTIO_BLK_F_BLK_SIZE	6	/* Block size of disk is available*/

#define VIRTIO_BLK_F_TOPOLOGY	10	/* Topology information is available */

#define VIRTIO_BLK_F_MQ		12	/* support more than one vq */



/* Legacy feature bits */

#ifndef VIRTIO_BLK_NO_LEGACY

#define VIRTIO_BLK_F_BARRIER	0	/* Does host support barriers? */

#define VIRTIO_BLK_F_SCSI	7	/* Supports scsi command passthru */

#define VIRTIO_BLK_F_WCE	9	/* Writeback mode enabled after reset */

#define VIRTIO_BLK_F_CONFIG_WCE	11	/* Writeback mode available in config */

/* Old (deprecated) name for VIRTIO_BLK_F_WCE. */

#define VIRTIO_BLK_F_FLUSH VIRTIO_BLK_F_WCE

#endif /* !VIRTIO_BLK_NO_LEGACY */



#define VIRTIO_BLK_ID_BYTES	20	/* ID string length */



struct virtio_blk_config {

	/* The capacity (in 512-byte sectors). */

	uint64_t capacity;

	/* The maximum segment size (if VIRTIO_BLK_F_SIZE_MAX) */

	uint32_t size_max;

	/* The maximum number of segments (if VIRTIO_BLK_F_SEG_MAX) */

	uint32_t seg_max;

	/* geometry the device (if VIRTIO_BLK_F_GEOMETRY) */

	struct virtio_blk_geometry {

		uint16_t cylinders;

		uint8_t heads;

		uint8_t sectors;

	} geometry;



	/* block size of device (if VIRTIO_BLK_F_BLK_SIZE) */

	uint32_t blk_size;



	/* the next 4 entries are guarded by VIRTIO_BLK_F_TOPOLOGY  */

	/* exponent for physical block per logical block. */

	uint8_t physical_block_exp;

	/* alignment offset in logical blocks. */

	uint8_t alignment_offset;

	/* minimum I/O size without performance penalty in logical blocks. */

	uint16_t min_io_size;

	/* optimal sustained I/O size in logical blocks. */

	uint32_t opt_io_size;



	/* writeback mode (if VIRTIO_BLK_F_CONFIG_WCE) */

	uint8_t wce;

	uint8_t unused;



	/* number of vqs, only available when VIRTIO_BLK_F_MQ is set */

	uint16_t num_queues;

} QEMU_PACKED;



/*

 * Command types

 *

 * Usage is a bit tricky as some bits are used as flags and some are not.

 *

 * Rules:

 *   VIRTIO_BLK_T_OUT may be combined with VIRTIO_BLK_T_SCSI_CMD or

 *   VIRTIO_BLK_T_BARRIER.  VIRTIO_BLK_T_FLUSH is a command of its own

 *   and may not be combined with any of the other flags.

 */



/* These two define direction. */

#define VIRTIO_BLK_T_IN		0

#define VIRTIO_BLK_T_OUT	1



#ifndef VIRTIO_BLK_NO_LEGACY

/* This bit says it's a scsi command, not an actual read or write. */

#define VIRTIO_BLK_T_SCSI_CMD	2

#endif /* VIRTIO_BLK_NO_LEGACY */



/* Cache flush command */

#define VIRTIO_BLK_T_FLUSH	4



/* Get device ID command */

#define VIRTIO_BLK_T_GET_ID    8



#ifndef VIRTIO_BLK_NO_LEGACY

/* Barrier before this op. */

#define VIRTIO_BLK_T_BARRIER	0x80000000

#endif /* !VIRTIO_BLK_NO_LEGACY */



/* This is the first element of the read scatter-gather list. */

struct virtio_blk_outhdr {

	/* VIRTIO_BLK_T* */

	__virtio32 type;

	/* io priority. */

	__virtio32 ioprio;

	/* Sector (ie. 512 byte offset) */

	__virtio64 sector;

};



#ifndef VIRTIO_BLK_NO_LEGACY

struct virtio_scsi_inhdr {

	__virtio32 errors;

	__virtio32 data_len;

	__virtio32 sense_len;

	__virtio32 residual;

};

#endif /* !VIRTIO_BLK_NO_LEGACY */



/* And this is the final byte of the write scatter-gather list. */

#define VIRTIO_BLK_S_OK		0

#define VIRTIO_BLK_S_IOERR	1

#define VIRTIO_BLK_S_UNSUPP	2

#endif /* _LINUX_VIRTIO_BLK_H */