| 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 |