31 lines
		
	
	
	
		
			717 B
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			31 lines
		
	
	
	
		
			717 B
			
		
	
	
	
		
			C
		
	
	
	
	
	
|   | /*
 | ||
|  |  *	Berkeley style UIO structures	-	Alan Cox 1994. | ||
|  |  * | ||
|  |  *		This program is free software; you can redistribute it and/or | ||
|  |  *		modify it under the terms of the GNU General Public License | ||
|  |  *		as published by the Free Software Foundation; either version | ||
|  |  *		2 of the License, or (at your option) any later version. | ||
|  |  */ | ||
|  | #ifndef _UAPI__LINUX_UIO_H
 | ||
|  | #define _UAPI__LINUX_UIO_H
 | ||
|  | 
 | ||
|  | #include <linux/compiler.h>
 | ||
|  | #include <linux/types.h>
 | ||
|  | 
 | ||
|  | 
 | ||
|  | struct iovec | ||
|  | { | ||
|  | 	void __user *iov_base;	/* BSD uses caddr_t (1003.1g requires void *) */ | ||
|  | 	__kernel_size_t iov_len; /* Must be size_t (1003.1g) */ | ||
|  | }; | ||
|  | 
 | ||
|  | /*
 | ||
|  |  *	UIO_MAXIOV shall be at least 16 1003.1g (5.4.1.1) | ||
|  |  */ | ||
|  |   | ||
|  | #define UIO_FASTIOV	8
 | ||
|  | #define UIO_MAXIOV	1024
 | ||
|  | 
 | ||
|  | 
 | ||
|  | #endif /* _UAPI__LINUX_UIO_H */
 |