Christopher Ferris | 2598113 | 2017-11-14 16:53:49 -0800 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ |
Ben Cheng | 30692c6 | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 2 | /* |
| 3 | * Berkeley style UIO structures - Alan Cox 1994. |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU General Public License |
| 7 | * as published by the Free Software Foundation; either version |
| 8 | * 2 of the License, or (at your option) any later version. |
| 9 | */ |
| 10 | #ifndef _UAPI__LINUX_UIO_H |
| 11 | #define _UAPI__LINUX_UIO_H |
| 12 | |
| 13 | #include <linux/compiler.h> |
| 14 | #include <linux/types.h> |
| 15 | |
| 16 | |
| 17 | struct iovec |
| 18 | { |
| 19 | void __user *iov_base; /* BSD uses caddr_t (1003.1g requires void *) */ |
| 20 | __kernel_size_t iov_len; /* Must be size_t (1003.1g) */ |
| 21 | }; |
| 22 | |
| 23 | /* |
| 24 | * UIO_MAXIOV shall be at least 16 1003.1g (5.4.1.1) |
| 25 | */ |
| 26 | |
| 27 | #define UIO_FASTIOV 8 |
| 28 | #define UIO_MAXIOV 1024 |
| 29 | |
| 30 | |
| 31 | #endif /* _UAPI__LINUX_UIO_H */ |