taglinefilesource code
ACTIVE_MSG2120drivers/scsi/aic7xxx.coutb(ha_flags & ~ACTIVE_MSG, HA_FLAGS(base));
ACTIVE_MSG3807drivers/scsi/aic7xxx.cif (flags & ACTIVE_MSG)
ACTIVE_MSG3847drivers/scsi/aic7xxx.coutb(flags | ACTIVE_MSG, HA_FLAGS(p->base));    /* active message */