xref: /linux/kernel/irq/debug.h (revision c54ea4918c2b7722d7242ea53271356501988a9b)
1 /*
2  * Debugging printout:
3  */
4 
5 #include <linux/kallsyms.h>
6 
7 #define P(f) if (desc->status & f) printk("%14s set\n", #f)
8 #define PS(f) if (desc->istate & f) printk("%14s set\n", #f)
9 
10 static inline void print_irq_desc(unsigned int irq, struct irq_desc *desc)
11 {
12 	printk("irq %d, desc: %p, depth: %d, count: %d, unhandled: %d\n",
13 		irq, desc, desc->depth, desc->irq_count, desc->irqs_unhandled);
14 	printk("->handle_irq():  %p, ", desc->handle_irq);
15 	print_symbol("%s\n", (unsigned long)desc->handle_irq);
16 	printk("->irq_data.chip(): %p, ", desc->irq_data.chip);
17 	print_symbol("%s\n", (unsigned long)desc->irq_data.chip);
18 	printk("->action(): %p\n", desc->action);
19 	if (desc->action) {
20 		printk("->action->handler(): %p, ", desc->action->handler);
21 		print_symbol("%s\n", (unsigned long)desc->action->handler);
22 	}
23 
24 	P(IRQ_LEVEL);
25 	P(IRQ_PER_CPU);
26 	P(IRQ_NOPROBE);
27 	P(IRQ_NOREQUEST);
28 	P(IRQ_NOAUTOEN);
29 
30 	PS(IRQS_AUTODETECT);
31 	PS(IRQS_INPROGRESS);
32 	PS(IRQS_REPLAY);
33 	PS(IRQS_WAITING);
34 	PS(IRQS_DISABLED);
35 	PS(IRQS_PENDING);
36 	PS(IRQS_MASKED);
37 }
38 
39 #undef P
40 #undef PS
41