51 lines
1.2 KiB
C
51 lines
1.2 KiB
C
/*
|
|
* 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 */
|