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 | |
8 | extern int nr_irqs; |
9 | extern struct irq_desc *irq_to_desc(unsigned int irq); |
10 | unsigned 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 | |