lw8/io/ntwdt.c

449 static void	ntwdt_arm_vwdt(ntwdt_wdog_t *wdog_state);
580 	ntwdt_wdog_t		*wdog_state = NULL;
626 	wdog_state = ntwdt_ptr->ntwdt_wdog_state;
633 	    &wdog_state->ntwdt_wdog_mtx_cookie) != DDI_SUCCESS) {
638 		mutex_init(&wdog_state->ntwdt_wdog_mutex, NULL, MUTEX_DRIVER,
639 		    (void *)wdog_state->ntwdt_wdog_mtx_cookie);
642 	mutex_init(&wdog_state->ntwdt_event_lock, NULL,
646 	wdog_state->ntwdt_cyclic_interval = NANOSEC;
652 	hdlr = &wdog_state->ntwdt_cycl_hdlr;
695 	mutex_destroy(&wdog_state->ntwdt_event_lock);
696 	mutex_destroy(&wdog_state->ntwdt_wdog_mutex);
698 	kmem_free(wdog_state, sizeof (ntwdt_wdog_t));
1049 	ntwdt_wdog_t	*wdog_state;
1058 	wdog_state = ntwdt_ptr->ntwdt_wdog_state;
1067 		mutex_enter(&wdog_state->ntwdt_wdog_mutex);
1069 		    wdog_state->ntwdt_reset_enabled;
1071 		    wdog_state->ntwdt_wdog_enabled;
1073 		    wdog_state->ntwdt_wdog_timeout;
1074 		mutex_exit(&wdog_state->ntwdt_wdog_mutex);
1105 		mutex_enter(&wdog_state->ntwdt_wdog_mutex);
1107 		if (wdog_state->ntwdt_wdog_timeout == 0) {
1137 		wdog_state->ntwdt_reset_enabled =
1139 		wdog_state->ntwdt_wdog_enabled =
1142 		if (wdog_state->ntwdt_wdog_enabled != 0) {
1148 			ntwdt_arm_vwdt(wdog_state);
1150 			if (wdog_state->ntwdt_timer_running == 0) {
1159 			if (wdog_state->ntwdt_timer_running != 0) {
1171 		if (wdog_state->ntwdt_wdog_enabled != 0 &&
1172 		    wdog_state->ntwdt_is_initial_enable == 0) {
1175 			ntwdt_swdt_to_awdt(wdog_state);
1184 		    wdog_state->ntwdt_wdog_enabled);
1186 		    wdog_state->ntwdt_reset_enabled);
1188 		if (wdog_state->ntwdt_wdog_enabled != 0 &&
1189 		    wdog_state->ntwdt_is_initial_enable == 0) {
1203 			wdog_state->ntwdt_is_initial_enable = 1;
1206 		mutex_exit(&wdog_state->ntwdt_wdog_mutex);
1233 		mutex_enter(&wdog_state->ntwdt_wdog_mutex);
1235 		wdog_state->ntwdt_wdog_timeout = lom_dogtime;
1241 		if (wdog_state->ntwdt_timer_running != 0) {
1242 			ntwdt_arm_vwdt(wdog_state);
1248 		mutex_exit(&wdog_state->ntwdt_wdog_mutex);
1258 		mutex_enter(&wdog_state->ntwdt_wdog_mutex);
1264 		if (!(wdog_state->ntwdt_wdog_enabled &&
1265 		    wdog_state->ntwdt_timer_running))
1268 		if (wdog_state->ntwdt_wdog_expired == 0) {
1270 			ntwdt_arm_vwdt(wdog_state);
1274 			    wdog_state->ntwdt_secs_remaining));
1277 		mutex_exit(&wdog_state->ntwdt_wdog_mutex);
1305 		mutex_enter(&wdog_state->ntwdt_wdog_mutex);
1308 		mutex_exit(&wdog_state->ntwdt_wdog_mutex);
1337 	mutex_exit(&wdog_state->ntwdt_wdog_mutex);
1361 ntwdt_arm_vwdt(ntwdt_wdog_t *wdog_state)
1364 	wdog_state->ntwdt_secs_remaining =
1365 	    wdog_state->ntwdt_wdog_timeout;
1367 	if (wdog_state->ntwdt_timer_running != 0)
1368 		NTWDT_FLAG_SET(wdog_state, SKIP_CYCLIC);
1370 		NTWDT_FLAG_CLR(wdog_state, SKIP_CYCLIC);
1378 ntwdt_swdt_to_awdt(ntwdt_wdog_t *wdog_state)
1380 	ASSERT(wdog_state->ntwdt_is_initial_enable == 0);
1444 	ntwdt_wdog_t	*wdog_state;
1446 	wdog_state = ntwdt_ptr->ntwdt_wdog_state;
1448 	mutex_enter(&wdog_state->ntwdt_wdog_mutex);
1450 	if ((wdog_state->ntwdt_wdog_flags &
1456 		wdog_state->ntwdt_wdog_flags &= ~NTWDT_FLAG_SKIP_CYCLIC;
1460 	if (wdog_state->ntwdt_timer_running == 0 ||
1462 	    (wdog_state->ntwdt_wdog_enabled == 0))
1469 	if (--wdog_state->ntwdt_secs_remaining == 0) {
1473 		wdog_state->ntwdt_wdog_expired = 1;
1475 		if (wdog_state->ntwdt_reset_enabled != 0) {
1488 			mutex_exit(&wdog_state->ntwdt_wdog_mutex);
1496 			wdog_state->ntwdt_wdog_enabled = 0;
1505 			    wdog_state->ntwdt_wdog_enabled);
1514 		    " seconds", wdog_state->ntwdt_secs_remaining));
1517 	mutex_exit(&wdog_state->ntwdt_wdog_mutex);
1534 	ntwdt_wdog_t *wdog_state = ntwdt_ptr->ntwdt_wdog_state;
1542 	if (wdog_state->ntwdt_wdog_enabled != 0 &&
1543 	    wdog_state->ntwdt_reset_enabled != 0 &&
1544 	    wdog_state->ntwdt_timer_running != 0) {
1547 			    wdog_state->ntwdt_boot_timeout);
1550 			    wdog_state->ntwdt_boot_timeout);
1580 	ntwdt_wdog_t	*wdog_state = ntwdt_ptr->ntwdt_wdog_state;
1581 	cyc_handler_t	*hdlr = &wdog_state->ntwdt_cycl_hdlr;
1582 	cyc_time_t	*when = &wdog_state->ntwdt_cycl_time;
1588 	when->cyt_interval = wdog_state->ntwdt_cyclic_interval;
1591 	wdog_state->ntwdt_wdog_expired = 0;
1592 	wdog_state->ntwdt_timer_running = 1;
1614 	ntwdt_wdog_t	*wdog_state = ntwdt_ptr->ntwdt_wdog_state;
1621 	wdog_state->ntwdt_timer_running = 0;
1640 	ntwdt_wdog_t	*wdog_state = ntwdt_ptr->ntwdt_wdog_state;
1642 	mutex_enter(&wdog_state->ntwdt_wdog_mutex);
1644 	mutex_exit(&wdog_state->ntwdt_wdog_mutex);
1691 	ntwdt_wdog_t	*wdog_state;
1694 	wdog_state = ntwdt_ptr->ntwdt_wdog_state;
1705 	wdog_state->ntwdt_boot_timeout =
1714 		wdog_state->ntwdt_boot_timeout =
1720 		    wdog_state->ntwdt_boot_timeout));
1990 	ntwdt_wdog_t	*wdog_state;
1992 	wdog_state = ((ntwdt_state_t *)arg)->ntwdt_wdog_state;
1994 	ASSERT(wdog_state != NULL);
1996 	mutex_enter(&wdog_state->ntwdt_wdog_mutex);
1999 	(void) ntwdt_set_awdt_state(wdog_state);
2001 	mutex_exit(&wdog_state->ntwdt_wdog_mutex);