xref: /linux/kernel/irq/debug.h (revision fd639726bf15fca8ee1a00dce8e0096d0ad9bd18)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Debugging printout:
4  */
5 
6 #include <linux/kallsyms.h>
7 
8 #define ___P(f) if (desc->status_use_accessors & f) printk("%14s set\n", #f)
9 #define ___PS(f) if (desc->istate & f) printk("%14s set\n", #f)
10 /* FIXME */
11 #define ___PD(f) do { } while (0)
12 
13 static inline void print_irq_desc(unsigned int irq, struct irq_desc *desc)
14 {
15 	printk("irq %d, desc: %p, depth: %d, count: %d, unhandled: %d\n",
16 		irq, desc, desc->depth, desc->irq_count, desc->irqs_unhandled);
17 	printk("->handle_irq():  %p, ", desc->handle_irq);
18 	print_symbol("%s\n", (unsigned long)desc->handle_irq);
19 	printk("->irq_data.chip(): %p, ", desc->irq_data.chip);
20 	print_symbol("%s\n", (unsigned long)desc->irq_data.chip);
21 	printk("->action(): %p\n", desc->action);
22 	if (desc->action) {
23 		printk("->action->handler(): %p, ", desc->action->handler);
24 		print_symbol("%s\n", (unsigned long)desc->action->handler);
25 	}
26 
27 	___P(IRQ_LEVEL);
28 	___P(IRQ_PER_CPU);
29 	___P(IRQ_NOPROBE);
30 	___P(IRQ_NOREQUEST);
31 	___P(IRQ_NOTHREAD);
32 	___P(IRQ_NOAUTOEN);
33 
34 	___PS(IRQS_AUTODETECT);
35 	___PS(IRQS_REPLAY);
36 	___PS(IRQS_WAITING);
37 	___PS(IRQS_PENDING);
38 
39 	___PD(IRQS_INPROGRESS);
40 	___PD(IRQS_DISABLED);
41 	___PD(IRQS_MASKED);
42 }
43 
44 #undef ___P
45 #undef ___PS
46 #undef ___PD
47