24 	ena_t *ena = arg;  in ena_watchdog()  local
41 	if (ena->ena_state & ENA_STATE_ERROR) {  in ena_watchdog()
42 		atomic_and_32(&ena->ena_state, ~ENA_STATE_ERROR);  in ena_watchdog()
47 	statusreg = ena_hw_bar_read32(ena, ENAHW_REG_DEV_STS);  in ena_watchdog()
54 	if (ena->ena_watchdog_last_keepalive > 0 &&  in ena_watchdog()
55 	    gethrtime() - ena->ena_watchdog_last_keepalive >  in ena_watchdog()
63 	for (uint_t i = 0; i < ena->ena_num_txqs; i++) {  in ena_watchdog()
64 		ena_txq_t *txq = &ena->ena_txqs[i];  in ena_watchdog()
89 		mutex_enter(&ena->ena_lock);  in ena_watchdog()
92 			ena->ena_device_stat.eds_reset_forced.value.ui64++;  in ena_watchdog()
93 			ena_err(ena, "forced reset");  in ena_watchdog()
101 			ena->ena_device_stat.eds_reset_error.value.ui64++;  in ena_watchdog()
102 			ena_err(ena, "error state detected");  in ena_watchdog()
103 			reason = ena->ena_reset_reason;  in ena_watchdog()
106 			ena->ena_device_stat.eds_reset_fatal.value.ui64++;  in ena_watchdog()
107 			ena_err(ena, "device reports fatal error (status 0x%x)"  in ena_watchdog()
112 			ena->ena_device_stat.eds_reset_keepalive.value.ui64++;  in ena_watchdog()
113 			ena_err(ena, "device keepalive timeout");  in ena_watchdog()
117 			ena->ena_device_stat.eds_reset_txstall.value.ui64++;  in ena_watchdog()
118 			ena_err(ena, "TX ring 0x%x appears stalled, resetting",  in ena_watchdog()
123 			ena_panic(ena, "unhandled case in reset switch");  in ena_watchdog()
125 		ena->ena_reset_reason = reason;  in ena_watchdog()
126 		mutex_exit(&ena->ena_lock);  in ena_watchdog()
128 		if (!ena_reset(ena, reason))  in ena_watchdog()
129 			ena_panic(ena, "failed to reset device");  in ena_watchdog()
134 ena_enable_watchdog(ena_t *ena)  in ena_enable_watchdog()  argument
136 	mutex_enter(&ena->ena_watchdog_lock);  in ena_enable_watchdog()
137 	if (ena->ena_watchdog_periodic == NULL) {  in ena_enable_watchdog()
138 		ena->ena_watchdog_periodic = ddi_periodic_add(ena_watchdog,  in ena_enable_watchdog()
139 		    (void *)ena, ENA_WATCHDOG_INTERVAL_NS, DDI_IPL_0);  in ena_enable_watchdog()
141 	mutex_exit(&ena->ena_watchdog_lock);  in ena_enable_watchdog()
145 ena_disable_watchdog(ena_t *ena)  in ena_disable_watchdog()  argument
147 	mutex_enter(&ena->ena_watchdog_lock);  in ena_disable_watchdog()
148 	if (ena->ena_watchdog_periodic != NULL) {  in ena_disable_watchdog()
149 		ddi_periodic_delete(ena->ena_watchdog_periodic);  in ena_disable_watchdog()
150 		ena->ena_watchdog_periodic = NULL;  in ena_disable_watchdog()
152 	mutex_exit(&ena->ena_watchdog_lock);  in ena_disable_watchdog()