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#ifndef _LINUX_IRQNR_H
#define _LINUX_IRQNR_H
/*
* Generic irq_desc iterators:
*/
#ifdef __KERNEL__
#ifndef CONFIG_GENERIC_HARDIRQS
#include <asm/irq.h>
/*
* Wrappers for non-genirq architectures:
*/
#define nr_irqs NR_IRQS
#define irq_to_desc(irq) (&irq_desc[irq])
# define for_each_irq_desc(irq, desc) \
for (irq = 0; irq < nr_irqs; irq++)
# define for_each_irq_desc_reverse(irq, desc) \
for (irq = nr_irqs - 1; irq >= 0; irq--)
#else /* CONFIG_GENERIC_HARDIRQS */
extern int nr_irqs;
extern struct irq_desc *irq_to_desc(unsigned int irq);
# define for_each_irq_desc(irq, desc) \
for (irq = 0, desc = irq_to_desc(irq); irq < nr_irqs; \
irq++, desc = irq_to_desc(irq)) \
if (!desc) \
; \
else
# define for_each_irq_desc_reverse(irq, desc) \
for (irq = nr_irqs - 1, desc = irq_to_desc(irq); irq >= 0; \
irq--, desc = irq_to_desc(irq)) \
if (!desc) \
; \
else
#ifdef CONFIG_SMP
#define irq_node(irq) (irq_to_desc(irq)->node)
#else
#define irq_node(irq) 0
#endif
#endif /* CONFIG_GENERIC_HARDIRQS */
#define for_each_irq_nr(irq) \
for (irq = 0; irq < nr_irqs; irq++)
#endif /* __KERNEL__ */
#endif
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