ENA_REGS_AENQ_HEAD_DB_OFF
ENA_REG_WRITE32(ena_dev->bus, depth, ena_dev->reg_bar + ENA_REGS_AENQ_HEAD_DB_OFF);
ENA_REG_WRITE32(dev->bus, (u32)aenq->head, dev->reg_bar + ENA_REGS_AENQ_HEAD_DB_OFF);