1 | /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ |
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 __LINUX_UIO_H |
11 | #define __LINUX_UIO_H |
12 | |
13 | |
14 | #include <linux/types.h> |
15 | |
16 | |
17 | struct iovec |
18 | { |
19 | void *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 /* __LINUX_UIO_H */ |
32 | |