[S390] move include/asm-s390 to arch/s390/include/asm
[linux-2.6.git] / 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 <linux/threads.h>
16 #include <linux/sched.h>
17 #include <linux/cache.h>
18 #include <linux/interrupt.h>
19 #include <asm/lowcore.h>
20
21 /* irq_cpustat_t is unused currently, but could be converted
22  * into a percpu variable instead of storing softirq_pending
23  * on the lowcore */
24 typedef struct {
25         unsigned int __softirq_pending;
26 } irq_cpustat_t;
27
28 #define local_softirq_pending() (S390_lowcore.softirq_pending)
29
30 #define __ARCH_IRQ_STAT
31 #define __ARCH_HAS_DO_SOFTIRQ
32
33 #define HARDIRQ_BITS    8
34
35 void clock_comparator_work(void);
36
37 static inline unsigned long long local_tick_disable(void)
38 {
39         unsigned long long old;
40
41         old = S390_lowcore.clock_comparator;
42         S390_lowcore.clock_comparator = -1ULL;
43         return old;
44 }
45
46 static inline void local_tick_enable(unsigned long long comp)
47 {
48         S390_lowcore.clock_comparator = comp;
49 }
50
51 #endif /* __ASM_HARDIRQ_H */