@@ -355,10 +355,12 @@
 	(((value) << ((bits) % (sizeof(value) * 8))) |			   \
 	((value) >> (sizeof(value) * 8 - ((bits) % (sizeof(value) * 8)))))
 #define OF_ROR(value, bits)						   \
 	(((value) >> ((bits) % (sizeof(value) * 8))) |			   \
 	((value) << (sizeof(value) * 8 - ((bits) % (sizeof(value) * 8)))))
+
+#define OF_ROUND_UP_POW2(pow2, value) (((value) + (pow2) - 1) & ~((pow2) - 1))
 
 #define OF_HASH_INIT(hash) hash = of_hash_seed;
 #define OF_HASH_ADD(hash, byte)			\
 	{					\
 		hash += (uint8_t)(byte);	\