196 void unregister_rt_sched_group(struct task_group *tg)  in unregister_rt_sched_group()  argument
198 	if (tg->rt_se)  in unregister_rt_sched_group()
199 		destroy_rt_bandwidth(&tg->rt_bandwidth);  in unregister_rt_sched_group()
203 void free_rt_sched_group(struct task_group *tg)  in free_rt_sched_group()  argument
208 		if (tg->rt_rq)  in free_rt_sched_group()
209 			kfree(tg->rt_rq[i]);  in free_rt_sched_group()
210 		if (tg->rt_se)  in free_rt_sched_group()
211 			kfree(tg->rt_se[i]);  in free_rt_sched_group()
214 	kfree(tg->rt_rq);  in free_rt_sched_group()
215 	kfree(tg->rt_se);  in free_rt_sched_group()
218 void init_tg_rt_entry(struct task_group *tg, struct rt_rq *rt_rq,  in init_tg_rt_entry()  argument
227 	rt_rq->tg = tg;  in init_tg_rt_entry()
229 	tg->rt_rq[cpu] = rt_rq;  in init_tg_rt_entry()
230 	tg->rt_se[cpu] = rt_se;  in init_tg_rt_entry()
245 int alloc_rt_sched_group(struct task_group *tg, struct task_group *parent)  in alloc_rt_sched_group()  argument
251 	tg->rt_rq = kcalloc(nr_cpu_ids, sizeof(rt_rq), GFP_KERNEL);  in alloc_rt_sched_group()
252 	if (!tg->rt_rq)  in alloc_rt_sched_group()
254 	tg->rt_se = kcalloc(nr_cpu_ids, sizeof(rt_se), GFP_KERNEL);  in alloc_rt_sched_group()
255 	if (!tg->rt_se)  in alloc_rt_sched_group()
258 	init_rt_bandwidth(&tg->rt_bandwidth,  in alloc_rt_sched_group()
273 		rt_rq->rt_runtime = tg->rt_bandwidth.rt_runtime;  in alloc_rt_sched_group()
274 		init_tg_rt_entry(tg, rt_rq, rt_se, i, parent->rt_se[i]);  in alloc_rt_sched_group()
313 void unregister_rt_sched_group(struct task_group *tg) { }  in unregister_rt_sched_group()  argument
315 void free_rt_sched_group(struct task_group *tg) { }  in free_rt_sched_group()  argument
317 int alloc_rt_sched_group(struct task_group *tg, struct task_group *parent)  in alloc_rt_sched_group()  argument
537 	if (!rt_rq->tg)  in sched_rt_runtime()
545 	return ktime_to_ns(rt_rq->tg->rt_bandwidth.rt_period);  in sched_rt_period()
550 static inline struct task_group *next_task_group(struct task_group *tg)  in next_task_group()  argument
553 		tg = list_entry_rcu(tg->list.next,  in next_task_group()
555 	} while (&tg->list != &task_groups && task_group_is_autogroup(tg));  in next_task_group()
557 	if (&tg->list == &task_groups)  in next_task_group()
558 		tg = NULL;  in next_task_group()
560 	return tg;  in next_task_group()
587 	rt_se = rt_rq->tg->rt_se[cpu];  in sched_rt_rq_enqueue()
605 	rt_se = rt_rq->tg->rt_se[cpu];  in sched_rt_rq_dequeue()
653 	return &rt_rq->tg->rt_bandwidth;  in sched_rt_bandwidth()
1218 	if (rt_rq->tg)  in inc_rt_group()
1219 		start_rt_bandwidth(&rt_rq->tg->rt_bandwidth);  in inc_rt_group()
2746 static inline int tg_has_rt_tasks(struct task_group *tg)  in tg_has_rt_tasks()  argument
2755 	if (task_group_is_autogroup(tg))  in tg_has_rt_tasks()
2758 	css_task_iter_start(&tg->css, 0, &it);  in tg_has_rt_tasks()
2767 	struct task_group *tg;  member
2772 static int tg_rt_schedulable(struct task_group *tg, void *data)  in tg_rt_schedulable()  argument
2779 	period = ktime_to_ns(tg->rt_bandwidth.rt_period);  in tg_rt_schedulable()
2780 	runtime = tg->rt_bandwidth.rt_runtime;  in tg_rt_schedulable()
2782 	if (tg == d->tg) {  in tg_rt_schedulable()
2797 	    tg->rt_bandwidth.rt_runtime && tg_has_rt_tasks(tg))  in tg_rt_schedulable()
2811 	list_for_each_entry_rcu(child, &tg->children, siblings) {  in tg_rt_schedulable()
2815 		if (child == d->tg) {  in tg_rt_schedulable()
2829 static int __rt_schedulable(struct task_group *tg, u64 period, u64 runtime)  in __rt_schedulable()  argument
2834 		.tg = tg,  in __rt_schedulable()
2846 static int tg_set_rt_bandwidth(struct task_group *tg,  in tg_set_rt_bandwidth()  argument
2855 	if (tg == &root_task_group && rt_runtime == 0)  in tg_set_rt_bandwidth()
2869 	err = __rt_schedulable(tg, rt_period, rt_runtime);  in tg_set_rt_bandwidth()
2873 	raw_spin_lock_irq(&tg->rt_bandwidth.rt_runtime_lock);  in tg_set_rt_bandwidth()
2874 	tg->rt_bandwidth.rt_period = ns_to_ktime(rt_period);  in tg_set_rt_bandwidth()
2875 	tg->rt_bandwidth.rt_runtime = rt_runtime;  in tg_set_rt_bandwidth()
2878 		struct rt_rq *rt_rq = tg->rt_rq[i];  in tg_set_rt_bandwidth()
2884 	raw_spin_unlock_irq(&tg->rt_bandwidth.rt_runtime_lock);  in tg_set_rt_bandwidth()
2891 int sched_group_set_rt_runtime(struct task_group *tg, long rt_runtime_us)  in sched_group_set_rt_runtime()  argument
2895 	rt_period = ktime_to_ns(tg->rt_bandwidth.rt_period);  in sched_group_set_rt_runtime()
2902 	return tg_set_rt_bandwidth(tg, rt_period, rt_runtime);  in sched_group_set_rt_runtime()
2905 long sched_group_rt_runtime(struct task_group *tg)  in sched_group_rt_runtime()  argument
2909 	if (tg->rt_bandwidth.rt_runtime == RUNTIME_INF)  in sched_group_rt_runtime()
2912 	rt_runtime_us = tg->rt_bandwidth.rt_runtime;  in sched_group_rt_runtime()
2917 int sched_group_set_rt_period(struct task_group *tg, u64 rt_period_us)  in sched_group_set_rt_period()  argument
2925 	rt_runtime = tg->rt_bandwidth.rt_runtime;  in sched_group_set_rt_period()
2927 	return tg_set_rt_bandwidth(tg, rt_period, rt_runtime);  in sched_group_set_rt_period()
2930 long sched_group_rt_period(struct task_group *tg)  in sched_group_rt_period()  argument
2934 	rt_period_us = ktime_to_ns(tg->rt_bandwidth.rt_period);  in sched_group_rt_period()
2952 int sched_rt_can_attach(struct task_group *tg, struct task_struct *tsk)  in sched_rt_can_attach()  argument
2955 	if (rt_task(tsk) && tg->rt_bandwidth.rt_runtime == 0)  in sched_rt_can_attach()