dev/wbwd/wbwd.c

81 #define	WB_LDN8_CRF5_KEYB_P20	0x04	/* 1: keyb P20 forces timeout */
82 #define	WB_LDN8_CRF5_KBRST	0x02	/* 1: timeout causes pin60 kbd reset */
91 #define	WB_LDN8_CRF7_FORCE	0x20	/* 1: force timeout (self-clear) */
117 	 * timeout as set by watchdog(4) but still use that API to
124 	 * We want to know the timeout value and usually need two
317  * usually not give the current timeout or state on whether the watchdog
369  * Sysctl handlers to force a watchdog timeout or to test the NMI functionality
373  * timeout but clear the flag for the sysctl again.  This is interesting given a
374  * lot of boards have jumpers to change the action on watchdog timeout or
410 	 * forcing the timeout.
479  * (Re)load the watchdog counter depending on timeout.  A timeout of 0 will
483 wb_set_watchdog(struct wb_softc *sc, unsigned int timeout)
486 	if (timeout != 0) {
492 			timeout = sc->timeout_override;
494 		/* Make sure we support the requested timeout. */
495 		if (timeout > 255 * 60)
508 	if (timeout == 0) {
517 		if (timeout > 255) {
520 			sc->reg_timeout = (timeout / 60);
521 			if (timeout % 60)
526 			sc->reg_timeout = timeout;
552  * with the given timeout or disable the watchdog.
558 	unsigned int timeout;
568 		timeout = ((uint64_t)1 << cmd) / 1000000000;
569 		if (timeout == 0)
570 			timeout = 1;
571 		e = wb_set_watchdog(sc, timeout);
747 	unsigned long timeout;
841 	 * Clear a previous watchdog timeout event (if still set).
850 	/* Read global timeout override tunable, Add per device sysctls. */
851 	if (TUNABLE_ULONG_FETCH("hw.wbwd.timeout_override", &timeout)) {
852 		if (timeout > 0)
853 			sc->timeout_override = timeout;
859             "Timeout in seconds overriding default watchdog timeout");