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
8unsigned int irq_get_nr_irqs(void) __pure;
9unsigned int irq_set_nr_irqs(unsigned int nr);
10extern struct irq_desc *irq_to_desc(unsigned int irq);
11unsigned int irq_get_next_irq(unsigned int offset);
12
13#define for_each_irq_desc(irq, desc) \
14 for (unsigned int __nr_irqs__ = irq_get_nr_irqs(); __nr_irqs__; \
15 __nr_irqs__ = 0) \
16 for (irq = 0, desc = irq_to_desc(irq); irq < __nr_irqs__; \
17 irq++, desc = irq_to_desc(irq)) \
18 if (!desc) \
19 ; \
20 else
21
22# define for_each_irq_desc_reverse(irq, desc) \
23 for (irq = irq_get_nr_irqs() - 1, desc = irq_to_desc(irq); \
24 irq >= 0; irq--, desc = irq_to_desc(irq)) \
25 if (!desc) \
26 ; \
27 else
28
29#define for_each_active_irq(irq) \
30 for (unsigned int __nr_irqs__ = irq_get_nr_irqs(); __nr_irqs__; \
31 __nr_irqs__ = 0) \
32 for (irq = irq_get_next_irq(0); irq < __nr_irqs__; \
33 irq = irq_get_next_irq(irq + 1))
34
35#define for_each_irq_nr(irq) \
36 for (unsigned int __nr_irqs__ = irq_get_nr_irqs(); __nr_irqs__; \
37 __nr_irqs__ = 0) \
38 for (irq = 0; irq < __nr_irqs__; irq++)
39
40#endif
41