debug.h 1.3 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. /*
  3. * Debugging printout:
  4. */
  5. #include <linux/kallsyms.h>
  6. #define ___P(f) if (desc->status_use_accessors & f) printk("%14s set\n", #f)
  7. #define ___PS(f) if (desc->istate & f) printk("%14s set\n", #f)
  8. /* FIXME */
  9. #define ___PD(f) do { } while (0)
  10. static inline void print_irq_desc(unsigned int irq, struct irq_desc *desc)
  11. {
  12. static DEFINE_RATELIMIT_STATE(ratelimit, 5 * HZ, 5);
  13. if (!__ratelimit(&ratelimit))
  14. return;
  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. ___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. ___PS(IRQS_AUTODETECT);
  33. ___PS(IRQS_REPLAY);
  34. ___PS(IRQS_WAITING);
  35. ___PS(IRQS_PENDING);
  36. ___PD(IRQS_INPROGRESS);
  37. ___PD(IRQS_DISABLED);
  38. ___PD(IRQS_MASKED);
  39. }
  40. #undef ___P
  41. #undef ___PS
  42. #undef ___PD