30 lines
		
	
	
	
		
			889 B
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			30 lines
		
	
	
	
		
			889 B
			
		
	
	
	
		
			C
		
	
	
	
	
	
|   | /* atmapi.h - ATM API user space/kernel compatibility */ | ||
|  |   | ||
|  | /* Written 1999,2000 by Werner Almesberger, EPFL ICA */ | ||
|  |   | ||
|  | 
 | ||
|  | #ifndef _LINUX_ATMAPI_H
 | ||
|  | #define _LINUX_ATMAPI_H
 | ||
|  | 
 | ||
|  | #if defined(__sparc__) || defined(__ia64__)
 | ||
|  | /* such alignment is not required on 32 bit sparcs, but we can't
 | ||
|  |    figure that we are on a sparc64 while compiling user-space programs. */ | ||
|  | #define __ATM_API_ALIGN	__attribute__((aligned(8)))
 | ||
|  | #else
 | ||
|  | #define __ATM_API_ALIGN
 | ||
|  | #endif
 | ||
|  | 
 | ||
|  | 
 | ||
|  | /*
 | ||
|  |  * Opaque type for kernel pointers. Note that _ is never accessed. We need | ||
|  |  * the struct in order hide the array, so that we can make simple assignments | ||
|  |  * instead of being forced to use memcpy. It also improves error reporting for | ||
|  |  * code that still assumes that we're passing unsigned longs. | ||
|  |  * | ||
|  |  * Convention: NULL pointers are passed as a field of all zeroes. | ||
|  |  */ | ||
|  |   | ||
|  | typedef struct { unsigned char _[8]; } __ATM_API_ALIGN atm_kptr_t; | ||
|  | 
 | ||
|  | #endif
 |