|  | #ifndef _XOR_H | 
|  | #define _XOR_H | 
|  |  | 
|  | #include <linux/raid/md.h> | 
|  |  | 
|  | #define MAX_XOR_BLOCKS 5 | 
|  |  | 
|  | extern void xor_block(unsigned int count, unsigned int bytes, void **ptr); | 
|  |  | 
|  | struct xor_block_template { | 
|  | struct xor_block_template *next; | 
|  | const char *name; | 
|  | int speed; | 
|  | void (*do_2)(unsigned long, unsigned long *, unsigned long *); | 
|  | void (*do_3)(unsigned long, unsigned long *, unsigned long *, | 
|  | unsigned long *); | 
|  | void (*do_4)(unsigned long, unsigned long *, unsigned long *, | 
|  | unsigned long *, unsigned long *); | 
|  | void (*do_5)(unsigned long, unsigned long *, unsigned long *, | 
|  | unsigned long *, unsigned long *, unsigned long *); | 
|  | }; | 
|  |  | 
|  | #endif |