OCTEON_PFVFSIG
writeq(OCTEON_PFVFSIG, mbox->mbox_read_reg);
writeq(OCTEON_PFVFSIG, mbox->mbox_read_reg);
while (readq(mbox->mbox_write_reg) != OCTEON_PFVFSIG) {
writeq(OCTEON_PFVFSIG, mbox->mbox_read_reg);
writeq(OCTEON_PFVFSIG, mbox->mbox_read_reg);
writeq(OCTEON_PFVFSIG, mbox->mbox_read_reg);
writeq(OCTEON_PFVFSIG, mbox->mbox_read_reg);
writeq(OCTEON_PFVFSIG, mbox->mbox_read_reg);
writeq(OCTEON_PFVFSIG, mbox->mbox_read_reg);
if ((msg.u64 == OCTEON_PFVFACK) || (msg.u64 == OCTEON_PFVFSIG)) {