HF_ENABLE
WRITE_REG32(stat | HF_ENABLE, d->hba.base_addr + LBA_STAT_CTL);
WRITE_REG32(stat & ~HF_ENABLE, d->hba.base_addr + LBA_STAT_CTL);
WRITE_REG(HF_ENABLE, ioc_hpa + ROPE0_CTL + j);