1 #ifndef _LINUX_IRQNR_H 2 #define _LINUX_IRQNR_H 3 4 #include <uapi/linux/irqnr.h> 5 6 7 extern int nr_irqs; 8 extern struct irq_desc *irq_to_desc(unsigned int irq); 9 unsigned 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 # define for_each_active_irq(irq) \ 27 for (irq = irq_get_next_irq(0); irq < nr_irqs; \ 28 irq = irq_get_next_irq(irq + 1)) 29 30 #define for_each_irq_nr(irq) \ 31 for (irq = 0; irq < nr_irqs; irq++) 32 33 #endif 34