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Diffstat (limited to 'include/linux/aio_abi.h')
| -rw-r--r-- | include/linux/aio_abi.h | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/include/linux/aio_abi.h b/include/linux/aio_abi.h deleted file mode 100644 index 86fa7a71336a..000000000000 --- a/include/linux/aio_abi.h +++ /dev/null @@ -1,111 +0,0 @@ -/* 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, - /* 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 */ -}; - -#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 - -/* - * 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 */ - __u32 PADDED(aio_key, aio_reserved1); - /* the kernel sets aio_key to the req # */ - - /* 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 */ - |