E1000_EIAC
regs_buff[17] = rd32(E1000_EIAC);
regval = rd32(E1000_EIAC);
wr32(E1000_EIAC, regval & ~adapter->eims_enable_mask);
u32 regval = rd32(E1000_EIAC);
wr32(E1000_EIAC, regval | adapter->eims_enable_mask);