_IBUF_CNTRL_ACK_TOKEN_ITEMS_BITS
#define _IBUF_CNTRL_ACK_TOKEN_MSB (_IBUF_CNTRL_ACK_TOKEN_ITEMS_BITS + _IBUF_CNTRL_ACK_TOKEN_ITEMS_IDX - 1)
#define _IBUF_CNTRL_ACK_TOKEN_VALID_BIT (_IBUF_CNTRL_ACK_TOKEN_ITEMS_BITS + _IBUF_CNTRL_ACK_TOKEN_ITEMS_IDX)