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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/kernel/irq/debug.h
10818 views
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/*

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 * Debugging printout:

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 */

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#include <linux/kallsyms.h>

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#define P(f) if (desc->status_use_accessors & f) printk("%14s set\n", #f)

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#define PS(f) if (desc->istate & f) printk("%14s set\n", #f)

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/* FIXME */

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#define PD(f) do { } while (0)

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static inline void print_irq_desc(unsigned int irq, struct irq_desc *desc)

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{

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	printk("irq %d, desc: %p, depth: %d, count: %d, unhandled: %d\n",

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		irq, desc, desc->depth, desc->irq_count, desc->irqs_unhandled);

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	printk("->handle_irq():  %p, ", desc->handle_irq);

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	print_symbol("%s\n", (unsigned long)desc->handle_irq);

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	printk("->irq_data.chip(): %p, ", desc->irq_data.chip);

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	print_symbol("%s\n", (unsigned long)desc->irq_data.chip);

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	printk("->action(): %p\n", desc->action);

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	if (desc->action) {

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		printk("->action->handler(): %p, ", desc->action->handler);

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		print_symbol("%s\n", (unsigned long)desc->action->handler);

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	}

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	P(IRQ_LEVEL);

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	P(IRQ_PER_CPU);

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	P(IRQ_NOPROBE);

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	P(IRQ_NOREQUEST);

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	P(IRQ_NOTHREAD);

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	P(IRQ_NOAUTOEN);

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	PS(IRQS_AUTODETECT);

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	PS(IRQS_REPLAY);

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	PS(IRQS_WAITING);

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	PS(IRQS_PENDING);

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	PD(IRQS_INPROGRESS);

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	PD(IRQS_DISABLED);

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	PD(IRQS_MASKED);

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}

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#undef P

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#undef PS

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#undef PD

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