Current File : //usr/src/kernels/3.10.0-1160.81.1.el7.centos.plus.x86_64/include/uapi/linux/uio.h
/*
* Berkeley style UIO structures - Alan Cox 1994.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#ifndef _UAPI__LINUX_UIO_H
#define _UAPI__LINUX_UIO_H
#include <linux/compiler.h>
#include <linux/types.h>
struct iovec
{
void __user *iov_base; /* BSD uses caddr_t (1003.1g requires void *) */
__kernel_size_t iov_len; /* Must be size_t (1003.1g) */
};
/*
* UIO_MAXIOV shall be at least 16 1003.1g (5.4.1.1)
*/
#define UIO_FASTIOV 8
#define UIO_MAXIOV 1024
#endif /* _UAPI__LINUX_UIO_H */
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