From d2e1446d81725c351dc73a03b397ce043fb18452 Mon Sep 17 00:00:00 2001 From: Meizu OpenSource Date: Mon, 15 Aug 2016 10:19:42 +0800 Subject: first commit --- include/uapi/linux/uio.h | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 include/uapi/linux/uio.h (limited to 'include/uapi/linux/uio.h') diff --git a/include/uapi/linux/uio.h b/include/uapi/linux/uio.h new file mode 100644 index 000000000..2731d56a5 --- /dev/null +++ b/include/uapi/linux/uio.h @@ -0,0 +1,30 @@ +/* + * 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 +#include + + +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 */ -- cgit v1.2.3