20 static void insert_callout(struct callout *co)  in insert_callout()  argument
25 		if (co->expiry_value < co2->expiry_value) {  in insert_callout()
26 			TAILQ_INSERT_BEFORE(co2, co, link);  in insert_callout()
31 	TAILQ_INSERT_TAIL(&callout_head, co, link);  in insert_callout()
37 	struct callout *co = TAILQ_FIRST(&callout_head);  in schedule_next_timeout()  local
39 	if (co)  in schedule_next_timeout()
40 		desc->set_next_timeout(desc, co->expiry_value);  in schedule_next_timeout()
56 static bool callout_is_active(struct callout *co)  in callout_is_active()  argument
61 		if (co2 == co)  in callout_is_active()
67 void callout_rem(struct callout *co)  in callout_rem()  argument
73 	if (callout_is_active(co)) {  in callout_rem()
74 		TAILQ_REMOVE(&callout_head, co, link);  in callout_rem()
81 void callout_add(struct callout *co, bool (*callback)(struct callout *co),  in callout_add()  argument
89 	assert(is_nexus(co) && !callout_is_active(co) && is_unpaged(callback));  in callout_add()
90 	*co = (struct callout){ .callback = callback, };  in callout_add()
93 		co->period = desc->ms_to_ticks(desc, ms);  in callout_add()
94 		co->expiry_value = desc->get_now(desc) + co->period;  in callout_add()
97 		co->period = ms;  in callout_add()
100 	insert_callout(co);  in callout_add()
101 	if (desc && co == TAILQ_FIRST(&callout_head))  in callout_add()
107 void callout_set_next_timeout(struct callout *co, uint32_t ms)  in callout_set_next_timeout()  argument
109 	co->period = callout_desc->ms_to_ticks(callout_desc, ms);  in callout_set_next_timeout()
115 	struct callout *co = NULL;  in callout_service_init()  local
131 		co = TAILQ_FIRST(&tmp_head);  in callout_service_init()
132 		TAILQ_REMOVE(&tmp_head, co, link);  in callout_service_init()
139 		co->period = desc->ms_to_ticks(desc, co->period);  in callout_service_init()
140 		co->expiry_value = now + co->period;  in callout_service_init()
141 		insert_callout(co);  in callout_service_init()
151 	struct callout *co = NULL;  in callout_service_cb()  local
177 		co = TAILQ_FIRST(&callout_head);  in callout_service_cb()
178 		if (co->expiry_value > now)  in callout_service_cb()
181 		TAILQ_REMOVE(&callout_head, co, link);  in callout_service_cb()
183 		if (co->callback(co)) {  in callout_service_cb()
184 			co->expiry_value += co->period;  in callout_service_cb()
185 			insert_callout(co);  in callout_service_cb()