S_FW_RDEV_WR_ENH_DISC
#define V_FW_RDEV_WR_ENH_DISC(x) ((x) << S_FW_RDEV_WR_ENH_DISC)
(((x) >> S_FW_RDEV_WR_ENH_DISC) & M_FW_RDEV_WR_ENH_DISC)