diff options
Diffstat (limited to 'include/uapi/linux/uio.h')
-rw-r--r-- | include/uapi/linux/uio.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/include/uapi/linux/uio.h b/include/uapi/linux/uio.h new file mode 100644 index 00000000000..2731d56a548 --- /dev/null +++ b/include/uapi/linux/uio.h | |||
@@ -0,0 +1,30 @@ | |||
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 */ | ||