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 * __restrict,
  15                      const unsigned long * __restrict);
  16         void (*do_3)(unsigned long, unsigned long * __restrict,
  17                      const unsigned long * __restrict,
  18                      const unsigned long * __restrict);
  19         void (*do_4)(unsigned long, unsigned long * __restrict,
  20                      const unsigned long * __restrict,
  21                      const unsigned long * __restrict,
  22                      const unsigned long * __restrict);
  23         void (*do_5)(unsigned long, unsigned long * __restrict,
  24                      const unsigned long * __restrict,
  25                      const unsigned long * __restrict,
  26                      const unsigned long * __restrict,
  27                      const unsigned long * __restrict);
  28 };
  29
  30 #endif