RVU_AF_PFAF_MBOX_INT
intr = rvu_read64(rvu, BLKADDR_RVUM, RVU_AF_PFAF_MBOX_INT);
rvu_write64(rvu, BLKADDR_RVUM, RVU_AF_PFAF_MBOX_INT, intr);
RVU_AF_PFAF_MBOX_INT, INTR_MASK(hw->total_pfs));