ENETC_PSIIER
psiier = enetc_rd(hw, ENETC_PSIIER) & ~ENETC_PSIMR_MASK(pf->num_vfs);
enetc_wr(hw, ENETC_PSIIER, psiier);
psiier = enetc_rd(hw, ENETC_PSIIER) | ENETC_PSIMR_MASK(pf->num_vfs);
enetc_wr(hw, ENETC_PSIIER, psiier);