TD_MAX_EXPANDER_PHYS
bit16 currentIndex[TD_MAX_EXPANDER_PHYS]; /* routing table index in use */
bit8 upStreamPhys[TD_MAX_EXPANDER_PHYS];
bit8 downStreamPhys[TD_MAX_EXPANDER_PHYS];
bit8 routingAttribute[TD_MAX_EXPANDER_PHYS];