kernel/irq/debug.h

   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