1 #ifndef __LINUX_UIO_H 2 #define __LINUX_UIO_H 3 4 5 #include <linux/types.h> 6 7 /* 8 * Berkeley style UIO structures - Alan Cox 1994. 9 * 10 * This program is free software; you can redistribute it and/or 11 * modify it under the terms of the GNU General Public License 12 * as published by the Free Software Foundation; either version 13 * 2 of the License, or (at your option) any later version. 14 */ 15 16 struct iovec 17 { 18 void *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 31
