LXR linux/kernel/irq/debug.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 * Debugging printout:
   4 */
   5
   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
  11static inline void print_irq_desc(unsigned int irq, struct irq_desc *desc)
  12{
  13        static DEFINE_RATELIMIT_STATE(ratelimit, 5 * HZ, 5);
  14
  15        if (!__ratelimit(&ratelimit))
  16                return;
  17
  18        printk("irq %d, desc: %p, depth: %d, count: %d, unhandled: %d\n",
  19                irq, desc, desc->depth, desc->irq_count, desc->irqs_unhandled);
  20        printk("->handle_irq():  %p, %pS\n",
  21                desc->handle_irq, desc->handle_irq);
  22        printk("->irq_data.chip(): %p, %pS\n",
  23                desc->irq_data.chip, desc->irq_data.chip);
  24        printk("->action(): %p\n", desc->action);
  25        if (desc->action) {
  26                printk("->action->handler(): %p, %pS\n",
  27                        desc->action->handler, desc->action->handler);
  28        }
  29
  30        ___P(IRQ_LEVEL);
  31        ___P(IRQ_PER_CPU);
  32        ___P(IRQ_NOPROBE);
  33        ___P(IRQ_NOREQUEST);
  34        ___P(IRQ_NOTHREAD);
  35        ___P(IRQ_NOAUTOEN);
  36
  37        ___PS(IRQS_AUTODETECT);
  38        ___PS(IRQS_REPLAY);
  39        ___PS(IRQS_WAITING);
  40        ___PS(IRQS_PENDING);
  41
  42        ___PD(IRQS_INPROGRESS);
  43        ___PD(IRQS_DISABLED);
  44        ___PD(IRQS_MASKED);
  45}
  46
  47#undef ___P
  48#undef ___PS
  49#undef ___PD
  50