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52 lines
1.2 KiB
C
52 lines
1.2 KiB
C
/*
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* include/asm-s390/hardirq.h
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*
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* S390 version
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* Copyright (C) 1999,2000 IBM Deutschland Entwicklung GmbH, IBM Corporation
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* Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com),
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* Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com)
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*
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* Derived from "include/asm-i386/hardirq.h"
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*/
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#ifndef __ASM_HARDIRQ_H
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#define __ASM_HARDIRQ_H
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#include <linux/threads.h>
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#include <linux/sched.h>
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#include <linux/cache.h>
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#include <linux/interrupt.h>
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#include <asm/lowcore.h>
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/* irq_cpustat_t is unused currently, but could be converted
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* into a percpu variable instead of storing softirq_pending
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* on the lowcore */
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typedef struct {
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unsigned int __softirq_pending;
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} irq_cpustat_t;
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#define local_softirq_pending() (S390_lowcore.softirq_pending)
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#define __ARCH_IRQ_STAT
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#define __ARCH_HAS_DO_SOFTIRQ
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#define HARDIRQ_BITS 8
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void clock_comparator_work(void);
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static inline unsigned long long local_tick_disable(void)
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{
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unsigned long long old;
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old = S390_lowcore.clock_comparator;
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S390_lowcore.clock_comparator = -1ULL;
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return old;
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}
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static inline void local_tick_enable(unsigned long long comp)
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{
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S390_lowcore.clock_comparator = comp;
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}
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#endif /* __ASM_HARDIRQ_H */
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