xref: /openbmc/linux/arch/s390/include/asm/irq.h (revision 9ac8d3fb)
1 #ifndef _ASM_IRQ_H
2 #define _ASM_IRQ_H
3 
4 #ifdef __KERNEL__
5 #include <linux/hardirq.h>
6 
7 /*
8  * the definition of irqs has changed in 2.5.46:
9  * NR_IRQS is no longer the number of i/o
10  * interrupts (65536), but rather the number
11  * of interrupt classes (2).
12  * Only external and i/o interrupts make much sense here (CH).
13  */
14 
15 enum interruption_class {
16 	EXTERNAL_INTERRUPT,
17 	IO_INTERRUPT,
18 
19 	NR_IRQS,
20 };
21 
22 #endif /* __KERNEL__ */
23 #endif
24