IAVF_VF_ATQH1
wr32(hw, IAVF_VF_ATQH1, 0);
wr32(hw, IAVF_VF_ATQH1, 0);
while (rd32(hw, IAVF_VF_ATQH1) != ntc) {
"ntc %d head %d.\n", ntc, rd32(hw, IAVF_VF_ATQH1));
return rd32(hw, IAVF_VF_ATQH1) == hw->aq.asq.next_to_use;
val = rd32(hw, IAVF_VF_ATQH1);