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 #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