| /* |
| * 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 */ |