1 #ifndef _ASM_IA64_LOCAL_H
2 #define _ASM_IA64_LOCAL_H
5 * Copyright (C) 2003 Hewlett-Packard Co
6 * David Mosberger-Tang <davidm@hpl.hp.com>
9 #include <linux/percpu.h>
15 #define LOCAL_INIT(i) ((local_t) { { (i) } })
16 #define local_read(l) atomic64_read(&(l)->val)
17 #define local_set(l, i) atomic64_set(&(l)->val, i)
18 #define local_inc(l) atomic64_inc(&(l)->val)
19 #define local_dec(l) atomic64_dec(&(l)->val)
20 #define local_add(l) atomic64_add(&(l)->val)
21 #define local_sub(l) atomic64_sub(&(l)->val)
23 /* Non-atomic variants, i.e., preemption disabled and won't be touched in interrupt, etc. */
25 #define __local_inc(l) (++(l)->val.counter)
26 #define __local_dec(l) (--(l)->val.counter)
27 #define __local_add(i,l) ((l)->val.counter += (i))
28 #define __local_sub(i,l) ((l)->val.counter -= (i))
31 * Use these for per-cpu local_t variables. Note they take a variable (eg. mystruct.foo),
34 #define cpu_local_read(v) local_read(&__ia64_per_cpu_var(v))
35 #define cpu_local_set(v, i) local_set(&__ia64_per_cpu_var(v), (i))
36 #define cpu_local_inc(v) local_inc(&__ia64_per_cpu_var(v))
37 #define cpu_local_dec(v) local_dec(&__ia64_per_cpu_var(v))
38 #define cpu_local_add(i, v) local_add((i), &__ia64_per_cpu_var(v))
39 #define cpu_local_sub(i, v) local_sub((i), &__ia64_per_cpu_var(v))
42 * Non-atomic increments, i.e., preemption disabled and won't be touched in interrupt,
45 #define __cpu_local_inc(v) __local_inc(&__ia64_per_cpu_var(v))
46 #define __cpu_local_dec(v) __local_dec(&__ia64_per_cpu_var(v))
47 #define __cpu_local_add(i, v) __local_add((i), &__ia64_per_cpu_var(v))
48 #define __cpu_local_sub(i, v) __local_sub((i), &__ia64_per_cpu_var(v))
50 #endif /* _ASM_IA64_LOCAL_H */