#ifndef _LINUX_CRC_T10DIF_H
  #define _LINUX_CRC_T10DIF_H
  
  #include <linux/types.h>
  
  #define CRC_T10DIF_DIGEST_SIZE 2
  #define CRC_T10DIF_BLOCK_SIZE 1
  
  extern __u16 crc_t10dif_generic(__u16 crc, const unsigned char *buffer,
  				size_t len);
  extern __u16 crc_t10dif(unsigned char const *, size_t);
  extern __u16 crc_t10dif_update(__u16 crc, unsigned char const *, size_t);
  
  #endif