Symbol: SGHSC_RB_FULL
usr/src/uts/sun4u/serengeti/io/sghsc.c
1781
if (rb_head->state == SGHSC_RB_FULL)
usr/src/uts/sun4u/serengeti/io/sghsc.c
1789
rb_head->state = SGHSC_RB_FULL;