diff options
Diffstat (limited to 'arch/sparc/include/asm/smp_64.h')
-rw-r--r-- | arch/sparc/include/asm/smp_64.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/smp_64.h b/arch/sparc/include/asm/smp_64.h new file mode 100644 index 000000000000..57224dd37b3a --- /dev/null +++ b/arch/sparc/include/asm/smp_64.h @@ -0,0 +1,67 @@ +/* smp.h: Sparc64 specific SMP stuff. + * + * Copyright (C) 1996, 2008 David S. Miller (davem@davemloft.net) + */ + +#ifndef _SPARC64_SMP_H +#define _SPARC64_SMP_H + +#include <linux/threads.h> +#include <asm/asi.h> +#include <asm/starfire.h> +#include <asm/spitfire.h> + +#ifndef __ASSEMBLY__ + +#include <linux/cpumask.h> +#include <linux/cache.h> + +#endif /* !(__ASSEMBLY__) */ + +#ifdef CONFIG_SMP + +#ifndef __ASSEMBLY__ + +/* + * Private routines/data + */ + +#include <linux/bitops.h> +#include <asm/atomic.h> +#include <asm/percpu.h> + +DECLARE_PER_CPU(cpumask_t, cpu_sibling_map); +extern cpumask_t cpu_core_map[NR_CPUS]; +extern int sparc64_multi_core; + +extern void arch_send_call_function_single_ipi(int cpu); +extern void arch_send_call_function_ipi(cpumask_t mask); + +/* + * General functions that each host system must provide. + */ + +extern int hard_smp_processor_id(void); +#define raw_smp_processor_id() (current_thread_info()->cpu) + +extern void smp_fill_in_sib_core_maps(void); +extern void cpu_play_dead(void); + +extern void smp_fetch_global_regs(void); + +#ifdef CONFIG_HOTPLUG_CPU +extern int __cpu_disable(void); +extern void __cpu_die(unsigned int cpu); +#endif + +#endif /* !(__ASSEMBLY__) */ + +#else + +#define hard_smp_processor_id() 0 +#define smp_fill_in_sib_core_maps() do { } while (0) +#define smp_fetch_global_regs() do { } while (0) + +#endif /* !(CONFIG_SMP) */ + +#endif /* !(_SPARC64_SMP_H) */ |