TDC_FIFO_ERR_STAT
HXGE_REG_WR64(hxgep->hpi_handle, TDC_FIFO_ERR_STAT, 0x7);
HXGE_REG_RD64(hxgep->hpi_handle, TDC_FIFO_ERR_STAT, &tmp);
HXGE_REG_RD64(hxgep->hpi_handle, TDC_FIFO_ERR_STAT, &tmp);
HXGE_REG_WR64(hxgep->hpi_handle, TDC_FIFO_ERR_STAT, 0x7);
HXGE_REG_RD64(handle, TDC_FIFO_ERR_STAT, &fifo_stat.value);
HXGE_REG_WR64(handle, TDC_FIFO_ERR_STAT, fifo_stat.value);