IAVF_VF_ATQBAL1
wr32(hw, IAVF_VF_ATQBAL1, lower_32_bits(hw->aq.asq.desc_buf.pa));
reg = rd32(hw, IAVF_VF_ATQBAL1);
wr32(hw, IAVF_VF_ATQBAL1, 0);