/usr/powerpc-linux-gnu/include/linux/aio_abi.h is in linux-libc-dev-powerpc-cross 4.15.0-18.19cross1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 | /* 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 <linux/fs.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,
/* These two are experimental.
* IOCB_CMD_PREADX = 4,
* IOCB_CMD_POLL = 5,
*/
IOCB_CMD_NOOP = 6,
IOCB_CMD_PREADV = 7,
IOCB_CMD_PWRITEV = 8,
};
/*
* Valid flags for the "aio_flags" member of the "struct iocb".
*
* IOCB_FLAG_RESFD - Set if the "aio_resfd" member of the "struct iocb"
* is valid.
*/
#define IOCB_FLAG_RESFD (1 << 0)
/* read() from /dev/aio returns these structures. */
struct io_event {
__u64 data; /* the data field from the iocb */
__u64 obj; /* what iocb this event came from */
__s64 res; /* result code for this event */
__s64 res2; /* secondary result */
};
/*
* we always use a 64bit off_t when communicating
* with userland. its up to libraries to do the
* proper padding and aio_error abstraction
*/
struct iocb {
/* these are internal to the kernel/libc. */
__u64 aio_data; /* data to be returned in event's data */
#if defined(__BYTE_ORDER) ? __BYTE_ORDER == __LITTLE_ENDIAN : defined(__LITTLE_ENDIAN)
__u32 aio_key; /* the kernel sets aio_key to the req # */
__kernel_rwf_t aio_rw_flags; /* RWF_* flags */
#elif defined(__BYTE_ORDER) ? __BYTE_ORDER == __BIG_ENDIAN : defined(__BIG_ENDIAN)
__kernel_rwf_t aio_rw_flags; /* RWF_* flags */
__u32 aio_key; /* the kernel sets aio_key to the req # */
#else
#error edit for your odd byteorder.
#endif
/* common fields */
__u16 aio_lio_opcode; /* see IOCB_CMD_ above */
__s16 aio_reqprio;
__u32 aio_fildes;
__u64 aio_buf;
__u64 aio_nbytes;
__s64 aio_offset;
/* extra parameters */
__u64 aio_reserved2; /* TODO: use this for a (struct sigevent *) */
/* flags for the "struct iocb" */
__u32 aio_flags;
/*
* if the IOCB_FLAG_RESFD flag of "aio_flags" is set, this is an
* eventfd to signal AIO readiness to
*/
__u32 aio_resfd;
}; /* 64 bytes */
#undef IFBIG
#undef IFLITTLE
#endif /* __LINUX__AIO_ABI_H */
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