nic_reg_read
intr = nic_reg_read(nic, NIC_PF_MAILBOX_INT + (mbx << 3));
if (nic_reg_read(nic, NIC_PF_SW_SYNC_RX_DONE) & 0x1)
lmac_credits = nic_reg_read(nic, NIC_PF_LMAC_0_7_CREDIT + (lmac * 8));
lmac_cfg = nic_reg_read(nic, NIC_PF_LMAC_0_7_CFG | (lmac << 3));
cqm_cfg = nic_reg_read(nic, NIC_PF_CQM_CFG);
cpi_cfg = nic_reg_read(nic, idx_addr | (cpi_base << 3));
pkind_val = nic_reg_read(nic, NIC_PF_PKIND_0_15_CFG | (pkind_idx << 3));
*mbx_data = nic_reg_read(nic, mbx_addr);