root/kernel/irq/debug.h
/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Debugging printout:
 */

#define ___P(f) if (desc->status_use_accessors & f) printk("%14s set\n", #f)
#define ___PS(f) if (desc->istate & f) printk("%14s set\n", #f)
/* FIXME */
#define ___PD(f) do { } while (0)

static inline void print_irq_desc(unsigned int irq, struct irq_desc *desc)
{
        static DEFINE_RATELIMIT_STATE(ratelimit, 5 * HZ, 5);

        if (!__ratelimit(&ratelimit))
                return;

        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, %pS\n",
                desc->handle_irq, desc->handle_irq);
        printk("->irq_data.chip(): %p, %pS\n",
                desc->irq_data.chip, desc->irq_data.chip);
        printk("->action(): %p\n", desc->action);
        if (desc->action) {
                printk("->action->handler(): %p, %pS\n",
                        desc->action->handler, desc->action->handler);
        }

        ___P(IRQ_LEVEL);
        ___P(IRQ_PER_CPU);
        ___P(IRQ_NOPROBE);
        ___P(IRQ_NOREQUEST);
        ___P(IRQ_NOTHREAD);
        ___P(IRQ_NOAUTOEN);

        ___PS(IRQS_AUTODETECT);
        ___PS(IRQS_REPLAY);
        ___PS(IRQS_WAITING);
        ___PS(IRQS_PENDING);

        ___PD(IRQS_INPROGRESS);
        ___PD(IRQS_DISABLED);
        ___PD(IRQS_MASKED);
}

#undef ___P
#undef ___PS
#undef ___PD