/* include/linux/aio_abi.h
 *
 * Copyright 2000,2001,2002 Red Hat.
 *
 * Written by Benjamin LaHaise <bcrl@kvack.org>
 *
 * Distribute under the terms of the GPLv2 (see ../../COPYING) or under 
 * the following terms.
 *
 * Permission to use, copy, modify, and distribute this software and its
 * documentation is hereby granted, provided that the above copyright
 * notice appears in all copies.  This software is provided without any
 * warranty, express or implied.  Red Hat makes no representations about
 * the suitability of this software for any purpose.
 *
 * IN NO EVENT SHALL RED HAT BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT,
 * SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF
 * THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF RED HAT HAS BEEN ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * RED HAT DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND
 * RED HAT HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES,
 * ENHANCEMENTS, OR MODIFICATIONS.
 */
#ifndef __LINUX__AIO_ABI_H
#define __LINUX__AIO_ABI_H

#include <linux/types.h>
#include <asm/byteorder.h>

typedef __kernel_ulong_t aio_context_t;

enum {
	IOCB_CMD_PREAD = 0,
	IOCB_CMD_PWRITE = 1,
	IOCB_CMD_FSYNC = 2,
	IOCB_CMD_FDSYNC = 3,
	IOCB_CMD_NOOP = 6,
	IOCB_CMD_PREADV = 7,
	IOCB_CMD_PWRITEV = 8,
};

#define IOCB_FLAG_RESFD		(1 << 0)

struct io_event {
	__u64		data;		
	__u64		obj;		
	__s64		res;		
	__s64		res2;		
};

#if defined(__LITTLE_ENDIAN)
#define PADDED(x,y)	x, y
#elif defined(__BIG_ENDIAN)
#define PADDED(x,y)	y, x
#else
#error edit for your odd byteorder.
#endif


struct iocb {
	
	__u64	aio_data;	
	__u32	PADDED(aio_key, aio_reserved1);
				

	
	__u16	aio_lio_opcode;	
	__s16	aio_reqprio;
	__u32	aio_fildes;

	__u64	aio_buf;
	__u64	aio_nbytes;
	__s64	aio_offset;

	
	__u64	aio_reserved2;	

	
	__u32	aio_flags;

	__u32	aio_resfd;
}; 

#undef IFBIG
#undef IFLITTLE

#endif