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/* 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
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