IGC_EIAC
regs_buff[10] = rd32(IGC_EIAC);
u32 regval = rd32(IGC_EIAC);
wr32(IGC_EIAC, regval | adapter->eims_enable_mask);
regval = rd32(IGC_EIAC);
wr32(IGC_EIAC, regval & ~adapter->eims_enable_mask);