irqnr.h

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#ifndef _LINUX_IRQNR_H
#define _LINUX_IRQNR_H

#include <uapi/linux/irqnr.h>


#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);
unsigned int irq_get_next_irq(unsigned int offset);

# 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_get_irq_data(irq)->node)
#else
#define irq_node(irq)   0
#endif

# define for_each_active_irq(irq)           \
    for (irq = irq_get_next_irq(0); irq < nr_irqs;  \
         irq = irq_get_next_irq(irq + 1))

#endif /* CONFIG_GENERIC_HARDIRQS */

#define for_each_irq_nr(irq)                   \
       for (irq = 0; irq < nr_irqs; irq++)

#endif