arch/s390/include/asm/hardirq.h

   1 /*
   2  *  include/asm-s390/hardirq.h
   3  *
   4  *  S390 version
   5  *    Copyright (C) 1999,2000 IBM Deutschland Entwicklung GmbH, IBM Corporation
   6  *    Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com),
   7  *               Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com)
   8  *
   9  *  Derived from "include/asm-i386/hardirq.h"
  10  */
  11
  12 #ifndef __ASM_HARDIRQ_H
  13 #define __ASM_HARDIRQ_H
  14
  15 #include <asm/lowcore.h>
  16
  17 #define local_softirq_pending() (S390_lowcore.softirq_pending)
  18
  19 #define __ARCH_IRQ_STAT
  20 #define __ARCH_HAS_DO_SOFTIRQ
  21
  22 #define HARDIRQ_BITS    8
  23
  24 void clock_comparator_work(void);
  25
  26 static inline unsigned long long local_tick_disable(void)
  27 {
  28         unsigned long long old;
  29
  30         old = S390_lowcore.clock_comparator;
  31         S390_lowcore.clock_comparator = -1ULL;
  32         return old;
  33 }
  34
  35 static inline void local_tick_enable(unsigned long long comp)
  36 {
  37         S390_lowcore.clock_comparator = comp;
  38 }
  39
  40 #endif /* __ASM_HARDIRQ_H */