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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 | /* * IRQ subsystem internal functions and variables: */ #include <linux/irqdesc.h> extern int noirqdebug; #define irq_data_to_desc(data) container_of(data, struct irq_desc, irq_data) /* Set default functions for irq_chip structures: */ extern void irq_chip_set_defaults(struct irq_chip *chip); /* Set default handler: */ extern void compat_irq_chip_set_default_handler(struct irq_desc *desc); extern int __irq_set_trigger(struct irq_desc *desc, unsigned int irq, unsigned long flags); extern void __disable_irq(struct irq_desc *desc, unsigned int irq, bool susp); extern void __enable_irq(struct irq_desc *desc, unsigned int irq, bool resume); extern void init_kstat_irqs(struct irq_desc *desc, int node, int nr); /* Resending of interrupts :*/ void check_irq_resend(struct irq_desc *desc, unsigned int irq); #ifdef CONFIG_PROC_FS extern void register_irq_proc(unsigned int irq, struct irq_desc *desc); extern void unregister_irq_proc(unsigned int irq, struct irq_desc *desc); extern void register_handler_proc(unsigned int irq, struct irqaction *action); extern void unregister_handler_proc(unsigned int irq, struct irqaction *action); #else static inline void register_irq_proc(unsigned int irq, struct irq_desc *desc) { } static inline void unregister_irq_proc(unsigned int irq, struct irq_desc *desc) { } static inline void register_handler_proc(unsigned int irq, struct irqaction *action) { } static inline void unregister_handler_proc(unsigned int irq, struct irqaction *action) { } #endif extern int irq_select_affinity_usr(unsigned int irq); extern void irq_set_thread_affinity(struct irq_desc *desc); #ifndef CONFIG_GENERIC_HARDIRQS_NO_DEPRECATED static inline void irq_end(unsigned int irq, struct irq_desc *desc) { if (desc->irq_data.chip && desc->irq_data.chip->end) desc->irq_data.chip->end(irq); } #else static inline void irq_end(unsigned int irq, struct irq_desc *desc) { } #endif /* Inline functions for support of irq chips on slow busses */ static inline void chip_bus_lock(struct irq_desc *desc) { if (unlikely(desc->irq_data.chip->irq_bus_lock)) desc->irq_data.chip->irq_bus_lock(&desc->irq_data); } static inline void chip_bus_sync_unlock(struct irq_desc *desc) { if (unlikely(desc->irq_data.chip->irq_bus_sync_unlock)) desc->irq_data.chip->irq_bus_sync_unlock(&desc->irq_data); } /* * Debugging printout: */ #include <linux/kallsyms.h> #define P(f) if (desc->status & f) printk("%14s set\n", #f) static inline void print_irq_desc(unsigned int irq, struct irq_desc *desc) { printk("irq %d, desc: %p, depth: %d, count: %d, unhandled: %d\n", irq, desc, desc->depth, desc->irq_count, desc->irqs_unhandled); printk("->handle_irq(): %p, ", desc->handle_irq); print_symbol("%s\n", (unsigned long)desc->handle_irq); printk("->irq_data.chip(): %p, ", desc->irq_data.chip); print_symbol("%s\n", (unsigned long)desc->irq_data.chip); printk("->action(): %p\n", desc->action); if (desc->action) { printk("->action->handler(): %p, ", desc->action->handler); print_symbol("%s\n", (unsigned long)desc->action->handler); } P(IRQ_INPROGRESS); P(IRQ_DISABLED); P(IRQ_PENDING); P(IRQ_REPLAY); P(IRQ_AUTODETECT); P(IRQ_WAITING); P(IRQ_LEVEL); P(IRQ_MASKED); #ifdef CONFIG_IRQ_PER_CPU P(IRQ_PER_CPU); #endif P(IRQ_NOPROBE); P(IRQ_NOREQUEST); P(IRQ_NOAUTOEN); } #undef P |