kernel/irq/internals.h

43  * Bit masks for desc->core_internal_state__do_not_mess_with_it
77 extern int __irq_set_trigger(struct irq_desc *desc, unsigned long flags);
78 extern void __disable_irq(struct irq_desc *desc);
79 extern void __enable_irq(struct irq_desc *desc);
87 extern int irq_activate(struct irq_desc *desc);
88 extern int irq_activate_and_startup(struct irq_desc *desc, bool resend);
89 extern int irq_startup(struct irq_desc *desc, bool resend, bool force);
91 extern void irq_shutdown(struct irq_desc *desc);
92 extern void irq_shutdown_and_deactivate(struct irq_desc *desc);
93 extern void irq_enable(struct irq_desc *desc);
94 extern void irq_disable(struct irq_desc *desc);
95 extern void irq_percpu_enable(struct irq_desc *desc, unsigned int cpu);
96 extern void irq_percpu_disable(struct irq_desc *desc, unsigned int cpu);
97 extern void mask_irq(struct irq_desc *desc);
98 extern void unmask_irq(struct irq_desc *desc);
99 extern void unmask_threaded_irq(struct irq_desc *desc);
101 extern unsigned int kstat_irqs_desc(struct irq_desc *desc, const struct cpumask *cpumask);
113 irqreturn_t __handle_irq_event_percpu(struct irq_desc *desc);
114 irqreturn_t handle_irq_event_percpu(struct irq_desc *desc);
115 irqreturn_t handle_irq_event(struct irq_desc *desc);
118 int check_irq_resend(struct irq_desc *desc, bool inject);
119 void clear_irq_resend(struct irq_desc *desc);
120 void irq_resend_init(struct irq_desc *desc);
121 bool irq_wait_for_poll(struct irq_desc *desc);
122 void __irq_wake_thread(struct irq_desc *desc, struct irqaction *action);
124 void wake_threads_waitq(struct irq_desc *desc);
127 extern void register_irq_proc(unsigned int irq, struct irq_desc *desc);
128 extern void unregister_irq_proc(unsigned int irq, struct irq_desc *desc);
132 static inline void register_irq_proc(unsigned int irq, struct irq_desc *desc) { }
133 static inline void unregister_irq_proc(unsigned int irq, struct irq_desc *desc) { }
142 extern void irq_set_thread_affinity(struct irq_desc *desc);
148 extern int irq_setup_affinity(struct irq_desc *desc);
150 static inline int irq_setup_affinity(struct irq_desc *desc) { return 0; }
154 static inline void chip_bus_lock(struct irq_desc *desc)
156 	if (unlikely(desc->irq_data.chip->irq_bus_lock))
157 		desc->irq_data.chip->irq_bus_lock(&desc->irq_data);
160 static inline void chip_bus_sync_unlock(struct irq_desc *desc)
162 	if (unlikely(desc->irq_data.chip->irq_bus_sync_unlock))
163 		desc->irq_data.chip->irq_bus_sync_unlock(&desc->irq_data);
172 #define for_each_action_of_desc(desc, act)			\
173 	for (act = desc->action; act; act = act->next)
178 void __irq_put_desc_unlock(struct irq_desc *desc, unsigned long flags, bool bus);
187 irq_put_desc_busunlock(struct irq_desc *desc, unsigned long flags)
189 	__irq_put_desc_unlock(desc, flags, true);
199 irq_put_desc_unlock(struct irq_desc *desc, unsigned long flags)
201 	__irq_put_desc_unlock(desc, flags, false);
249 static inline void irq_state_set_disabled(struct irq_desc *desc)
251 	irqd_set(&desc->irq_data, IRQD_IRQ_DISABLED);
254 static inline void irq_state_set_masked(struct irq_desc *desc)
256 	irqd_set(&desc->irq_data, IRQD_IRQ_MASKED);
261 static inline void __kstat_incr_irqs_this_cpu(struct irq_desc *desc)
263 	__this_cpu_inc(desc->kstat_irqs->cnt);
267 static inline void kstat_incr_irqs_this_cpu(struct irq_desc *desc)
269 	__kstat_incr_irqs_this_cpu(desc);
270 	desc->tot_count++;
273 static inline int irq_desc_get_node(struct irq_desc *desc)
275 	return irq_common_data_get_node(&desc->irq_common_data);
278 static inline int irq_desc_is_chained(struct irq_desc *desc)
280 	return (desc->action && desc->action == &chained_action);
283 static inline bool irq_is_nmi(struct irq_desc *desc)
285 	return desc->istate & IRQS_NMI;
289 bool irq_pm_check_wakeup(struct irq_desc *desc);
290 void irq_pm_install_action(struct irq_desc *desc, struct irqaction *action);
291 void irq_pm_remove_action(struct irq_desc *desc, struct irqaction *action);
293 static inline bool irq_pm_check_wakeup(struct irq_desc *desc) { return false; }
295 irq_pm_install_action(struct irq_desc *desc, struct irqaction *action) { }
297 irq_pm_remove_action(struct irq_desc *desc, struct irqaction *action) { }
321 static inline void irq_remove_timings(struct irq_desc *desc)
323 	desc->istate &= ~IRQS_TIMINGS;
325 	irq_timings_free(irq_desc_get_irq(desc));
328 static inline void irq_setup_timings(struct irq_desc *desc, struct irqaction *act)
330 	int irq = irq_desc_get_irq(desc);
351 	desc->istate |= IRQS_TIMINGS;
394 static __always_inline void record_irq_time(struct irq_desc *desc)
399 	if (desc->istate & IRQS_TIMINGS)
400 		irq_timings_push(local_clock(), irq_desc_get_irq(desc));
403 static inline void irq_remove_timings(struct irq_desc *desc) {}
404 static inline void irq_setup_timings(struct irq_desc *desc,
406 static inline void record_irq_time(struct irq_desc *desc) {}
431 irq_copy_pending(struct irq_desc *desc, const struct cpumask *mask)
433 	cpumask_copy(desc->pending_mask, mask);
436 irq_get_pending(struct cpumask *mask, struct irq_desc *desc)
438 	cpumask_copy(mask, desc->pending_mask);
440 static inline struct cpumask *irq_desc_get_pending_mask(struct irq_desc *desc)
442 	return desc->pending_mask;
448 bool irq_fixup_move_pending(struct irq_desc *desc, bool force_clear);
459 irq_copy_pending(struct irq_desc *desc, const struct cpumask *mask)
463 irq_get_pending(struct cpumask *mask, struct irq_desc *desc)
466 static inline struct cpumask *irq_desc_get_pending_mask(struct irq_desc *desc)
470 static inline bool irq_fixup_move_pending(struct irq_desc *desc, bool fclear)
504 void irq_add_debugfs_entry(unsigned int irq, struct irq_desc *desc);
505 static inline void irq_remove_debugfs_entry(struct irq_desc *desc)
507 	debugfs_remove(desc->debugfs_file);
508 	kfree(desc->dev_name);