RVU_PF_VF_MBOX_ADDR
vfpf_mbox_base = readq(cptpf->reg_base + RVU_PF_VF_MBOX_ADDR);
rvupf_write64(rvu, RVU_PF_VF_MBOX_ADDR, (u64)mbox_addr->iova);
otx2_write64(pf, RVU_PF_VF_MBOX_ADDR, (u64)mbox_addr->iova);