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