1#ifndef _LINUX_IRQNR_H 2#define _LINUX_IRQNR_H 3 4#include <uapi/linux/irqnr.h> 5 6 7extern int nr_irqs; 8extern struct irq_desc *irq_to_desc(unsigned int irq); 9unsigned int irq_get_next_irq(unsigned int offset); 10 11# define for_each_irq_desc(irq, desc) \ 12 for (irq = 0, desc = irq_to_desc(irq); irq < nr_irqs; \ 13 irq++, desc = irq_to_desc(irq)) \ 14 if (!desc) \ 15 ; \ 16 else 17 18 19# define for_each_irq_desc_reverse(irq, desc) \ 20 for (irq = nr_irqs - 1, desc = irq_to_desc(irq); irq >= 0; \ 21 irq--, desc = irq_to_desc(irq)) \ 22 if (!desc) \ 23 ; \ 24 else 25 26#ifdef CONFIG_SMP 27#define irq_node(irq) (irq_get_irq_data(irq)->node) 28#else 29#define irq_node(irq) 0 30#endif 31 32# define for_each_active_irq(irq) \ 33 for (irq = irq_get_next_irq(0); irq < nr_irqs; \ 34 irq = irq_get_next_irq(irq + 1)) 35 36#define for_each_irq_nr(irq) \ 37 for (irq = 0; irq < nr_irqs; irq++) 38 39#endif 40