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e2be04c7 | 1 | /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ |
607ca46e DH |
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 */ |