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