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kernel/linux-rt-4.4.41/include/linux/raid/xor.h 652 Bytes
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  #ifndef _XOR_H
  #define _XOR_H
  
  #define MAX_XOR_BLOCKS 4
  
  extern void xor_blocks(unsigned int count, unsigned int bytes,
  	void *dest, void **srcs);
  
  struct xor_block_template {
          struct xor_block_template *next;
          const char *name;
          int speed;
  	void (*do_2)(unsigned long, unsigned long *, unsigned long *);
  	void (*do_3)(unsigned long, unsigned long *, unsigned long *,
  		     unsigned long *);
  	void (*do_4)(unsigned long, unsigned long *, unsigned long *,
  		     unsigned long *, unsigned long *);
  	void (*do_5)(unsigned long, unsigned long *, unsigned long *,
  		     unsigned long *, unsigned long *, unsigned long *);
  };
  
  #endif