include/linux/raid/xor.h

   1 #ifndef _XOR_H
   2 #define _XOR_H
   3
   4 #include <linux/raid/md.h>
   5
   6 #define MAX_XOR_BLOCKS 4
   7
   8 extern void xor_blocks(unsigned int count, unsigned int bytes,
   9         void *dest, void **srcs);
  10
  11 struct xor_block_template {
  12         struct xor_block_template *next;
  13         const char *name;
  14         int speed;
  15         void (*do_2)(unsigned long, unsigned long *, unsigned long *);
  16         void (*do_3)(unsigned long, unsigned long *, unsigned long *,
  17                      unsigned long *);
  18         void (*do_4)(unsigned long, unsigned long *, unsigned long *,
  19                      unsigned long *, unsigned long *);
  20         void (*do_5)(unsigned long, unsigned long *, unsigned long *,
  21                      unsigned long *, unsigned long *, unsigned long *);
  22 };
  23
  24 #endif