E1000_EIAM
regs_buff[18] = rd32(E1000_EIAM);
u32 regval = rd32(E1000_EIAM);
wr32(E1000_EIAM, regval & ~adapter->eims_enable_mask);
regval = rd32(E1000_EIAM);
wr32(E1000_EIAM, regval | adapter->eims_enable_mask);