irqnr.h

 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