1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _LINUX_IRQNR_H
3#define _LINUX_IRQNR_H
4
5#include <uapi/linux/irqnr.h>
6
7
8extern int nr_irqs;
9extern struct irq_desc *irq_to_desc(unsigned int irq);
10unsigned int irq_get_next_irq(unsigned int offset);
11
12# define for_each_irq_desc(irq, desc)					\
13	for (irq = 0, desc = irq_to_desc(irq); irq < nr_irqs;		\
14	     irq++, desc = irq_to_desc(irq))				\
15		if (!desc)						\
16			;						\
17		else
18
19
20# define for_each_irq_desc_reverse(irq, desc)				\
21	for (irq = nr_irqs - 1, desc = irq_to_desc(irq); irq >= 0;	\
22	     irq--, desc = irq_to_desc(irq))				\
23		if (!desc)						\
24			;						\
25		else
26
27# define for_each_active_irq(irq)			\
28	for (irq = irq_get_next_irq(0); irq < nr_irqs;	\
29	     irq = irq_get_next_irq(irq + 1))
30
31#define for_each_irq_nr(irq)                   \
32       for (irq = 0; irq < nr_irqs; irq++)
33
34#endif
35