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