QM_IFC_INT_SET_V
val = readl(qm->io_base + QM_IFC_INT_SET_V);
writel(val, qm->io_base + QM_IFC_INT_SET_V);
val = readl(qm->io_base + QM_IFC_INT_SET_V);
ret = qm_read_regs(qm, QM_IFC_INT_SET_V, &vf_data->ifc_int_set, 1);
ret = qm_write_regs(qm, QM_IFC_INT_SET_V, &vf_data->ifc_int_set, 1);
state = qm_check_reg_state(vfqm, QM_IFC_INT_SET_V);