xref: /openbmc/linux/kernel/irq/debug.h (revision 3b14f08d)
1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */
21ce6068dSThomas Gleixner /*
31ce6068dSThomas Gleixner  * Debugging printout:
41ce6068dSThomas Gleixner  */
51ce6068dSThomas Gleixner 
69f3045ecSPaul Gortmaker #define ___P(f) if (desc->status_use_accessors & f) printk("%14s set\n", #f)
79f3045ecSPaul Gortmaker #define ___PS(f) if (desc->istate & f) printk("%14s set\n", #f)
832f4125eSThomas Gleixner /* FIXME */
99f3045ecSPaul Gortmaker #define ___PD(f) do { } while (0)
101ce6068dSThomas Gleixner 
print_irq_desc(unsigned int irq,struct irq_desc * desc)111ce6068dSThomas Gleixner static inline void print_irq_desc(unsigned int irq, struct irq_desc *desc)
121ce6068dSThomas Gleixner {
131ce6068dSThomas Gleixner 	static DEFINE_RATELIMIT_STATE(ratelimit, 5 * HZ, 5);
141ce6068dSThomas Gleixner 
153b14f08dSSergey Senozhatsky 	if (!__ratelimit(&ratelimit))
163b14f08dSSergey Senozhatsky 		return;
173b14f08dSSergey Senozhatsky 
183b14f08dSSergey Senozhatsky 	printk("irq %d, desc: %p, depth: %d, count: %d, unhandled: %d\n",
191ce6068dSThomas Gleixner 		irq, desc, desc->depth, desc->irq_count, desc->irqs_unhandled);
201ce6068dSThomas Gleixner 	printk("->handle_irq():  %p, %pS\n",
213b14f08dSSergey Senozhatsky 		desc->handle_irq, desc->handle_irq);
223b14f08dSSergey Senozhatsky 	printk("->irq_data.chip(): %p, %pS\n",
231ce6068dSThomas Gleixner 		desc->irq_data.chip, desc->irq_data.chip);
241ce6068dSThomas Gleixner 	printk("->action(): %p\n", desc->action);
259f3045ecSPaul Gortmaker 	if (desc->action) {
269f3045ecSPaul Gortmaker 		printk("->action->handler(): %p, %pS\n",
279f3045ecSPaul Gortmaker 			desc->action->handler, desc->action->handler);
289f3045ecSPaul Gortmaker 	}
299f3045ecSPaul Gortmaker 
309f3045ecSPaul Gortmaker 	___P(IRQ_LEVEL);
311ce6068dSThomas Gleixner 	___P(IRQ_PER_CPU);
329f3045ecSPaul Gortmaker 	___P(IRQ_NOPROBE);
339f3045ecSPaul Gortmaker 	___P(IRQ_NOREQUEST);
349f3045ecSPaul Gortmaker 	___P(IRQ_NOTHREAD);
359f3045ecSPaul Gortmaker 	___P(IRQ_NOAUTOEN);
3632f4125eSThomas Gleixner 
379f3045ecSPaul Gortmaker 	___PS(IRQS_AUTODETECT);
389f3045ecSPaul Gortmaker 	___PS(IRQS_REPLAY);
399f3045ecSPaul Gortmaker 	___PS(IRQS_WAITING);
401ce6068dSThomas Gleixner 	___PS(IRQS_PENDING);
411ce6068dSThomas Gleixner 
429f3045ecSPaul Gortmaker 	___PD(IRQS_INPROGRESS);
439f3045ecSPaul Gortmaker 	___PD(IRQS_DISABLED);
449f3045ecSPaul Gortmaker 	___PD(IRQS_MASKED);
45 }
46 
47 #undef ___P
48 #undef ___PS
49 #undef ___PD
50