#ifndef _ASM_IA64_LOCAL_H #define _ASM_IA64_LOCAL_H /* * Copyright (C) 2003 Hewlett-Packard Co * David Mosberger-Tang <davidm@hpl.hp.com> */ #include <linux/percpu.h> typedef struct { atomic64_t val; } local_t; #define LOCAL_INIT(i) ((local_t) { { (i) } }) #define local_read(l) atomic64_read(&(l)->val) #define local_set(l, i) atomic64_set(&(l)->val, i) #define local_inc(l) atomic64_inc(&(l)->val) #define local_dec(l) atomic64_dec(&(l)->val) #define local_add(i, l) atomic64_add((i), &(l)->val) #define local_sub(i, l) atomic64_sub((i), &(l)->val) /* Non-atomic variants, i.e., preemption disabled and won't be touched in interrupt, etc. */ #define __local_inc(l) (++(l)->val.counter) #define __local_dec(l) (--(l)->val.counter) #define __local_add(i,l) ((l)->val.counter += (i)) #define __local_sub(i,l) ((l)->val.counter -= (i)) /* * Use these for per-cpu local_t variables. Note they take a variable (eg. mystruct.foo), * not an address. */ #define cpu_local_read(v) local_read(&__ia64_per_cpu_var(v)) #define cpu_local_set(v, i) local_set(&__ia64_per_cpu_var(v), (i)) #define cpu_local_inc(v) local_inc(&__ia64_per_cpu_var(v)) #define cpu_local_dec(v) local_dec(&__ia64_per_cpu_var(v)) #define cpu_local_add(i, v) local_add((i), &__ia64_per_cpu_var(v)) #define cpu_local_sub(i, v) local_sub((i), &__ia64_per_cpu_var(v)) /* * Non-atomic increments, i.e., preemption disabled and won't be touched in interrupt, * etc. */ #define __cpu_local_inc(v) __local_inc(&__ia64_per_cpu_var(v)) #define __cpu_local_dec(v) __local_dec(&__ia64_per_cpu_var(v)) #define __cpu_local_add(i, v) __local_add((i), &__ia64_per_cpu_var(v)) #define __cpu_local_sub(i, v) __local_sub((i), &__ia64_per_cpu_var(v)) #endif /* _ASM_IA64_LOCAL_H */