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to "kn01_<func>", to avoid confounding a model name (PMAX) with the name of the entire port (pmax). Change the signature of interrupt-handlers to take a void * (a pointer to the softc) and return an int (indicating spurious interrupts or other conditions.) Pass softc pointers to the scsi and ethernet kn01 (DS_PMAX) drivers, rather than having unit numbers wired into the base-level interrupt handler.