VF_BAR0_DB_OFFSET
(volatile void *)((u8_t*)pdev->vars.mapped_bar_addr[BAR_0] + j*lm_vf_get_doorbell_size(pdev) + VF_BAR0_DB_OFFSET);
(volatile void *)((u8_t*)pdev->vars.mapped_bar_addr[BAR_0] + index*LM_DQ_CID_SIZE + VF_BAR0_DB_OFFSET);
pdev->params.debug_me_register = _vf_reg_rd(pdev,VF_BAR0_DB_OFFSET);;