include/linux/raid/xor.h

   1 #ifndef _XOR_H
   2 #define _XOR_H
   3
   4 #define MAX_XOR_BLOCKS 4
   5
   6 extern void xor_blocks(unsigned int count, unsigned int bytes,
   7         void *dest, void **srcs);
   8
   9 struct xor_block_template {
  10         struct xor_block_template *next;
  11         const char *name;
  12         int speed;
  13         void (*do_2)(unsigned long, unsigned long *, unsigned long *);
  14         void (*do_3)(unsigned long, unsigned long *, unsigned long *,
  15                      unsigned long *);
  16         void (*do_4)(unsigned long, unsigned long *, unsigned long *,
  17                      unsigned long *, unsigned long *);
  18         void (*do_5)(unsigned long, unsigned long *, unsigned long *,
  19                      unsigned long *, unsigned long *, unsigned long *);
  20 };
  21
  22 #endif