| David Howells | 607ca46 | 2012-10-13 10:46:48 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Berkeley style UIO structures - Alan Cox 1994. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License |
| 6 | * as published by the Free Software Foundation; either version |
| 7 | * 2 of the License, or (at your option) any later version. |
| 8 | */ |
| 9 | #ifndef _UAPI__LINUX_UIO_H |
| 10 | #define _UAPI__LINUX_UIO_H |
| 11 | |
| 12 | #include <linux/compiler.h> |
| 13 | #include <linux/types.h> |
| 14 | |
| 15 | |
| 16 | struct iovec |
| 17 | { |
| 18 | void __user *iov_base; /* BSD uses caddr_t (1003.1g requires void *) */ |
| 19 | __kernel_size_t iov_len; /* Must be size_t (1003.1g) */ |
| 20 | }; |
| 21 | |
| 22 | /* |
| 23 | * UIO_MAXIOV shall be at least 16 1003.1g (5.4.1.1) |
| 24 | */ |
| 25 | |
| 26 | #define UIO_FASTIOV 8 |
| 27 | #define UIO_MAXIOV 1024 |
| 28 | |
| 29 | |
| 30 | #endif /* _UAPI__LINUX_UIO_H */ |