Integrated Edon-R hash function.

@@ -60,10 +60,12 @@
 
 /*
  * Checksum routines.
  */
 extern zio_checksum_t zio_checksum_SHA256;
+extern zio_checksum_t zio_checksum_EdonR512_256;
+extern zio_checksum_t zio_checksum_EdonR512_256_byteswap;
 
 extern void zio_checksum_compute(zio_t *zio, enum zio_checksum checksum,
     void *data, uint64_t size);
 extern int zio_checksum_error(zio_t *zio, zio_bad_cksum_t *out);
 extern enum zio_checksum spa_dedup_checksum(spa_t *spa);