1 #ifndef _LINUX_IRQNR_H 2 #define _LINUX_IRQNR_H 3 4 #include <uapi/linux/irqnr.h> 5 6 7 #ifndef CONFIG_GENERIC_HARDIRQS 8 #include <asm/irq.h> 9 10 /* 11 * Wrappers for non-genirq architectures: 12 */ 13 #define nr_irqs NR_IRQS 14 #define irq_to_desc(irq) (&irq_desc[irq]) 15 16 # define for_each_irq_desc(irq, desc) \ 17 for (irq = 0; irq < nr_irqs; irq++) 18 19 # define for_each_irq_desc_reverse(irq, desc) \ 20 for (irq = nr_irqs - 1; irq >= 0; irq--) 21 22 #else /* CONFIG_GENERIC_HARDIRQS */ 23 24 extern int nr_irqs; 25 extern struct irq_desc *irq_to_desc(unsigned int irq); 26 unsigned int irq_get_next_irq(unsigned int offset); 27 28 # define for_each_irq_desc(irq, desc) \ 29 for (irq = 0, desc = irq_to_desc(irq); irq < nr_irqs; \ 30 irq++, desc = irq_to_desc(irq)) \ 31 if (!desc) \ 32 ; \ 33 else 34 35 36 # define for_each_irq_desc_reverse(irq, desc) \ 37 for (irq = nr_irqs - 1, desc = irq_to_desc(irq); irq >= 0; \ 38 irq--, desc = irq_to_desc(irq)) \ 39 if (!desc) \ 40 ; \ 41 else 42 43 #ifdef CONFIG_SMP 44 #define irq_node(irq) (irq_get_irq_data(irq)->node) 45 #else 46 #define irq_node(irq) 0 47 #endif 48 49 # define for_each_active_irq(irq) \ 50 for (irq = irq_get_next_irq(0); irq < nr_irqs; \ 51 irq = irq_get_next_irq(irq + 1)) 52 53 #endif /* CONFIG_GENERIC_HARDIRQS */ 54 55 #define for_each_irq_nr(irq) \ 56 for (irq = 0; irq < nr_irqs; irq++) 57 58 #endif 59