[PATCH] genirq: more verbose debugging on unexpected IRQ vectors
[linux-2.6.git] / kernel / irq / internals.h
1 /*
2  * IRQ subsystem internal functions and variables:
3  */
4
5 extern int noirqdebug;
6
7 /* Set default functions for irq_chip structures: */
8 extern void irq_chip_set_defaults(struct irq_chip *chip);
9
10 /* Set default handler: */
11 extern void compat_irq_chip_set_default_handler(struct irq_desc *desc);
12
13 #ifdef CONFIG_PROC_FS
14 extern void register_irq_proc(unsigned int irq);
15 extern void register_handler_proc(unsigned int irq, struct irqaction *action);
16 extern void unregister_handler_proc(unsigned int irq, struct irqaction *action);
17 #else
18 static inline void register_irq_proc(unsigned int irq) { }
19 static inline void register_handler_proc(unsigned int irq,
20                                          struct irqaction *action) { }
21 static inline void unregister_handler_proc(unsigned int irq,
22                                            struct irqaction *action) { }
23 #endif
24
25 /*
26  * Debugging printout:
27  */
28
29 #include <linux/kallsyms.h>
30
31 #define P(f) if (desc->status & f) printk("%14s set\n", #f)
32
33 static inline void print_irq_desc(unsigned int irq, struct irq_desc *desc)
34 {
35         printk("irq %d, desc: %p, depth: %d, count: %d, unhandled: %d\n",
36                 irq, desc, desc->depth, desc->irq_count, desc->irqs_unhandled);
37         printk("->handle_irq():  %p, ", desc->handle_irq);
38         print_symbol("%s\n", (unsigned long)desc->handle_irq);
39         printk("->chip(): %p, ", desc->chip);
40         print_symbol("%s\n", (unsigned long)desc->chip);
41         printk("->action(): %p\n", desc->action);
42         if (desc->action) {
43                 printk("->action->handler(): %p, ", desc->action->handler);
44                 print_symbol("%s\n", (unsigned long)desc->action->handler);
45         }
46
47         P(IRQ_INPROGRESS);
48         P(IRQ_DISABLED);
49         P(IRQ_PENDING);
50         P(IRQ_REPLAY);
51         P(IRQ_AUTODETECT);
52         P(IRQ_WAITING);
53         P(IRQ_LEVEL);
54         P(IRQ_MASKED);
55 #ifdef CONFIG_IRQ_PER_CPU
56         P(IRQ_PER_CPU);
57 #endif
58         P(IRQ_NOPROBE);
59         P(IRQ_NOREQUEST);
60         P(IRQ_NOAUTOEN);
61 }
62
63 #undef P
64