include/linux/raid/xor.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _XOR_H
   3 #define _XOR_H
   4
   5 #define MAX_XOR_BLOCKS 4
   6
   7 extern void xor_blocks(unsigned int count, unsigned int bytes,
   8         void *dest, void **srcs);
   9
  10 struct xor_block_template {
  11         struct xor_block_template *next;
  12         const char *name;
  13         int speed;
  14         void (*do_2)(unsigned long, unsigned long *, unsigned long *);
  15         void (*do_3)(unsigned long, unsigned long *, unsigned long *,
  16                      unsigned long *);
  17         void (*do_4)(unsigned long, unsigned long *, unsigned long *,
  18                      unsigned long *, unsigned long *);
  19         void (*do_5)(unsigned long, unsigned long *, unsigned long *,
  20                      unsigned long *, unsigned long *, unsigned long *);
  21 };
  22
  23 #endif