S1394_CFGROM_BLK_READ_OK
(S1394_CFGROM_READ_MASK | S1394_CFGROM_BLK_READ_OK | \
((n)->cfgrom_state |= S1394_CFGROM_BLK_READ_OK)
((n)->cfgrom_state &= ~S1394_CFGROM_BLK_READ_OK)
(((n)->cfgrom_state & S1394_CFGROM_BLK_READ_OK) != 0 : B_TRUE : B_FALSE)