/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ /* * 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 */