| Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| Thomas Gleixner | dd3a1db | 2008-10-16 18:20:58 +0200 | [diff] [blame] | 2 | #ifndef _LINUX_IRQNR_H |
| 3 | #define _LINUX_IRQNR_H |
| 4 | |
| David Howells | 607ca46 | 2012-10-13 10:46:48 +0100 | [diff] [blame] | 5 | #include <uapi/linux/irqnr.h> |
| 6 | |
| Ingo Molnar | 0ebb26e | 2008-12-12 11:26:39 +0100 | [diff] [blame] | 7 | |
| Ingo Molnar | 0ebb26e | 2008-12-12 11:26:39 +0100 | [diff] [blame] | 8 | extern int nr_irqs; |
| KOSAKI Motohiro | f9af0e7 | 2008-12-26 12:24:24 +0900 | [diff] [blame] | 9 | extern struct irq_desc *irq_to_desc(unsigned int irq); |
| Thomas Gleixner | a98d24b | 2010-09-30 10:45:07 +0200 | [diff] [blame] | 10 | unsigned int irq_get_next_irq(unsigned int offset); |
| Ingo Molnar | 0ebb26e | 2008-12-12 11:26:39 +0100 | [diff] [blame] | 11 | |
| KOSAKI Motohiro | f9af0e7 | 2008-12-26 12:24:24 +0900 | [diff] [blame] | 12 | # define for_each_irq_desc(irq, desc) \ |
| 13 | for (irq = 0, desc = irq_to_desc(irq); irq < nr_irqs; \ |
| KOSAKI Motohiro | 18eefed | 2008-12-26 12:29:48 +0900 | [diff] [blame] | 14 | irq++, desc = irq_to_desc(irq)) \ |
| KOSAKI Motohiro | 01d0782 | 2009-01-04 03:11:05 +0900 | [diff] [blame] | 15 | if (!desc) \ |
| 16 | ; \ |
| 17 | else |
| KOSAKI Motohiro | 18eefed | 2008-12-26 12:29:48 +0900 | [diff] [blame] | 18 | |
| 19 | |
| KOSAKI Motohiro | f9af0e7 | 2008-12-26 12:24:24 +0900 | [diff] [blame] | 20 | # define for_each_irq_desc_reverse(irq, desc) \ |
| 21 | for (irq = nr_irqs - 1, desc = irq_to_desc(irq); irq >= 0; \ |
| KOSAKI Motohiro | 18eefed | 2008-12-26 12:29:48 +0900 | [diff] [blame] | 22 | irq--, desc = irq_to_desc(irq)) \ |
| KOSAKI Motohiro | 01d0782 | 2009-01-04 03:11:05 +0900 | [diff] [blame] | 23 | if (!desc) \ |
| 24 | ; \ |
| 25 | else |
| Yinghai Lu | 240d367 | 2008-12-08 14:06:17 -0800 | [diff] [blame] | 26 | |
| Thomas Gleixner | a98d24b | 2010-09-30 10:45:07 +0200 | [diff] [blame] | 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 | |
| Yinghai Lu | 240d367 | 2008-12-08 14:06:17 -0800 | [diff] [blame] | 31 | #define for_each_irq_nr(irq) \ |
| 32 | for (irq = 0; irq < nr_irqs; irq++) |
| Thomas Gleixner | dd3a1db | 2008-10-16 18:20:58 +0200 | [diff] [blame] | 33 | |
| Thomas Gleixner | dd3a1db | 2008-10-16 18:20:58 +0200 | [diff] [blame] | 34 | #endif |