1*f80ad8b4SAndroid Build Coastguard Worker /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ 2*f80ad8b4SAndroid Build Coastguard Worker /* 3*f80ad8b4SAndroid Build Coastguard Worker * Berkeley style UIO structures - Alan Cox 1994. 4*f80ad8b4SAndroid Build Coastguard Worker * 5*f80ad8b4SAndroid Build Coastguard Worker * This program is free software; you can redistribute it and/or 6*f80ad8b4SAndroid Build Coastguard Worker * modify it under the terms of the GNU General Public License 7*f80ad8b4SAndroid Build Coastguard Worker * as published by the Free Software Foundation; either version 8*f80ad8b4SAndroid Build Coastguard Worker * 2 of the License, or (at your option) any later version. 9*f80ad8b4SAndroid Build Coastguard Worker */ 10*f80ad8b4SAndroid Build Coastguard Worker #ifndef _UAPI__LINUX_UIO_H 11*f80ad8b4SAndroid Build Coastguard Worker #define _UAPI__LINUX_UIO_H 12*f80ad8b4SAndroid Build Coastguard Worker 13*f80ad8b4SAndroid Build Coastguard Worker #include <linux/compiler.h> 14*f80ad8b4SAndroid Build Coastguard Worker #include <linux/types.h> 15*f80ad8b4SAndroid Build Coastguard Worker 16*f80ad8b4SAndroid Build Coastguard Worker 17*f80ad8b4SAndroid Build Coastguard Worker struct iovec 18*f80ad8b4SAndroid Build Coastguard Worker { 19*f80ad8b4SAndroid Build Coastguard Worker void __user *iov_base; /* BSD uses caddr_t (1003.1g requires void *) */ 20*f80ad8b4SAndroid Build Coastguard Worker __kernel_size_t iov_len; /* Must be size_t (1003.1g) */ 21*f80ad8b4SAndroid Build Coastguard Worker }; 22*f80ad8b4SAndroid Build Coastguard Worker 23*f80ad8b4SAndroid Build Coastguard Worker /* 24*f80ad8b4SAndroid Build Coastguard Worker * UIO_MAXIOV shall be at least 16 1003.1g (5.4.1.1) 25*f80ad8b4SAndroid Build Coastguard Worker */ 26*f80ad8b4SAndroid Build Coastguard Worker 27*f80ad8b4SAndroid Build Coastguard Worker #define UIO_FASTIOV 8 28*f80ad8b4SAndroid Build Coastguard Worker #define UIO_MAXIOV 1024 29*f80ad8b4SAndroid Build Coastguard Worker 30*f80ad8b4SAndroid Build Coastguard Worker 31*f80ad8b4SAndroid Build Coastguard Worker #endif /* _UAPI__LINUX_UIO_H */ 32