arch/s390/include/asm/irq.h

   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