LXR linux/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
   7extern void xor_blocks(unsigned int count, unsigned int bytes,
   8        void *dest, void **srcs);
   9
  10struct 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
  24