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Diffstat (limited to 'kernel/irq/internals.h')
-rw-r--r--kernel/irq/internals.h84
1 files changed, 43 insertions, 41 deletions
diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h
index bcc7f21db9ee..aebfe225c9a6 100644
--- a/kernel/irq/internals.h
+++ b/kernel/irq/internals.h
@@ -87,10 +87,10 @@ extern void __enable_irq(struct irq_desc *desc);
extern int irq_activate(struct irq_desc *desc);
extern int irq_activate_and_startup(struct irq_desc *desc, bool resend);
extern int irq_startup(struct irq_desc *desc, bool resend, bool force);
+extern void irq_startup_managed(struct irq_desc *desc);
extern void irq_shutdown(struct irq_desc *desc);
extern void irq_shutdown_and_deactivate(struct irq_desc *desc);
-extern void irq_enable(struct irq_desc *desc);
extern void irq_disable(struct irq_desc *desc);
extern void irq_percpu_enable(struct irq_desc *desc, unsigned int cpu);
extern void irq_percpu_disable(struct irq_desc *desc, unsigned int cpu);
@@ -104,10 +104,6 @@ static inline void irq_mark_irq(unsigned int irq) { }
extern void irq_mark_irq(unsigned int irq);
#endif
-extern int __irq_get_irqchip_state(struct irq_data *data,
- enum irqchip_irq_state which,
- bool *state);
-
irqreturn_t __handle_irq_event_percpu(struct irq_desc *desc);
irqreturn_t handle_irq_event_percpu(struct irq_desc *desc);
irqreturn_t handle_irq_event(struct irq_desc *desc);
@@ -137,8 +133,6 @@ static inline void unregister_handler_proc(unsigned int irq,
extern bool irq_can_set_affinity_usr(unsigned int irq);
-extern void irq_set_thread_affinity(struct irq_desc *desc);
-
extern int irq_do_set_affinity(struct irq_data *data,
const struct cpumask *dest, bool force);
@@ -148,6 +142,10 @@ extern int irq_setup_affinity(struct irq_desc *desc);
static inline int irq_setup_affinity(struct irq_desc *desc) { return 0; }
#endif
+
+#define for_each_action_of_desc(desc, act) \
+ for (act = desc->action; act; act = act->next)
+
/* Inline functions for support of irq chips on slow busses */
static inline void chip_bus_lock(struct irq_desc *desc)
{
@@ -167,38 +165,33 @@ static inline void chip_bus_sync_unlock(struct irq_desc *desc)
#define IRQ_GET_DESC_CHECK_GLOBAL (_IRQ_DESC_CHECK)
#define IRQ_GET_DESC_CHECK_PERCPU (_IRQ_DESC_CHECK | _IRQ_DESC_PERCPU)
-#define for_each_action_of_desc(desc, act) \
- for (act = desc->action; act; act = act->next)
-
-struct irq_desc *
-__irq_get_desc_lock(unsigned int irq, unsigned long *flags, bool bus,
- unsigned int check);
+struct irq_desc *__irq_get_desc_lock(unsigned int irq, unsigned long *flags, bool bus,
+ unsigned int check);
void __irq_put_desc_unlock(struct irq_desc *desc, unsigned long flags, bool bus);
-static inline struct irq_desc *
-irq_get_desc_buslock(unsigned int irq, unsigned long *flags, unsigned int check)
-{
- return __irq_get_desc_lock(irq, flags, true, check);
-}
+__DEFINE_CLASS_IS_CONDITIONAL(irqdesc_lock, true);
+__DEFINE_UNLOCK_GUARD(irqdesc_lock, struct irq_desc,
+ __irq_put_desc_unlock(_T->lock, _T->flags, _T->bus),
+ unsigned long flags; bool bus);
-static inline void
-irq_put_desc_busunlock(struct irq_desc *desc, unsigned long flags)
+static inline class_irqdesc_lock_t class_irqdesc_lock_constructor(unsigned int irq, bool bus,
+ unsigned int check)
{
- __irq_put_desc_unlock(desc, flags, true);
-}
+ class_irqdesc_lock_t _t = { .bus = bus, };
-static inline struct irq_desc *
-irq_get_desc_lock(unsigned int irq, unsigned long *flags, unsigned int check)
-{
- return __irq_get_desc_lock(irq, flags, false, check);
-}
+ _t.lock = __irq_get_desc_lock(irq, &_t.flags, bus, check);
-static inline void
-irq_put_desc_unlock(struct irq_desc *desc, unsigned long flags)
-{
- __irq_put_desc_unlock(desc, flags, false);
+ return _t;
}
+#define scoped_irqdesc_get_and_lock(_irq, _check) \
+ scoped_guard(irqdesc_lock, _irq, false, _check)
+
+#define scoped_irqdesc_get_and_buslock(_irq, _check) \
+ scoped_guard(irqdesc_lock, _irq, true, _check)
+
+#define scoped_irqdesc ((struct irq_desc *)(__guard_ptr(irqdesc_lock)(&scope)))
+
#define __irqd_to_state(d) ACCESS_PRIVATE((d)->common, state_use_accessors)
static inline unsigned int irqd_get(struct irq_data *d)
@@ -258,7 +251,7 @@ static inline void irq_state_set_masked(struct irq_desc *desc)
static inline void __kstat_incr_irqs_this_cpu(struct irq_desc *desc)
{
- __this_cpu_inc(*desc->kstat_irqs);
+ __this_cpu_inc(desc->kstat_irqs->cnt);
__this_cpu_inc(kstat.irqs_sum);
}
@@ -278,6 +271,11 @@ static inline int irq_desc_is_chained(struct irq_desc *desc)
return (desc->action && desc->action == &chained_action);
}
+static inline bool irq_is_nmi(struct irq_desc *desc)
+{
+ return desc->istate & IRQS_NMI;
+}
+
#ifdef CONFIG_PM_SLEEP
bool irq_pm_check_wakeup(struct irq_desc *desc);
void irq_pm_install_action(struct irq_desc *desc, struct irqaction *action);
@@ -414,7 +412,7 @@ irq_init_generic_chip(struct irq_chip_generic *gc, const char *name,
#ifdef CONFIG_GENERIC_PENDING_IRQ
static inline bool irq_can_move_pcntxt(struct irq_data *data)
{
- return irqd_can_move_in_process_context(data);
+ return !(data->chip->flags & IRQCHIP_MOVE_DEFERRED);
}
static inline bool irq_move_pending(struct irq_data *data)
{
@@ -434,11 +432,8 @@ static inline struct cpumask *irq_desc_get_pending_mask(struct irq_desc *desc)
{
return desc->pending_mask;
}
-static inline bool handle_enforce_irqctx(struct irq_data *data)
-{
- return irqd_is_handle_enforce_irqctx(data);
-}
bool irq_fixup_move_pending(struct irq_desc *desc, bool force_clear);
+void irq_force_complete_move(struct irq_desc *desc);
#else /* CONFIG_GENERIC_PENDING_IRQ */
static inline bool irq_can_move_pcntxt(struct irq_data *data)
{
@@ -464,10 +459,7 @@ static inline bool irq_fixup_move_pending(struct irq_desc *desc, bool fclear)
{
return false;
}
-static inline bool handle_enforce_irqctx(struct irq_data *data)
-{
- return false;
-}
+static inline void irq_force_complete_move(struct irq_desc *desc) { }
#endif /* !CONFIG_GENERIC_PENDING_IRQ */
#if !defined(CONFIG_IRQ_DOMAIN) || !defined(CONFIG_IRQ_DOMAIN_HIERARCHY)
@@ -494,6 +486,16 @@ static inline struct irq_data *irqd_get_parent_data(struct irq_data *irqd)
#ifdef CONFIG_GENERIC_IRQ_DEBUGFS
#include <linux/debugfs.h>
+struct irq_bit_descr {
+ unsigned int mask;
+ char *name;
+};
+
+#define BIT_MASK_DESCR(m) { .mask = m, .name = #m }
+
+void irq_debug_show_bits(struct seq_file *m, int ind, unsigned int state,
+ const struct irq_bit_descr *sd, int size);
+
void irq_add_debugfs_entry(unsigned int irq, struct irq_desc *desc);
static inline void irq_remove_debugfs_entry(struct irq_desc *desc)
{
generated by cgit (git 2.34.1) at 2025-07-24 03:07:02 +0000