| /* smp.h: Sparc64 specific SMP stuff. |
| * |
| * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) |
| */ |
| |
| #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 <asm/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; |
| |
| /* |
| * 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); |
| |
| #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) |
| |
| #endif /* !(CONFIG_SMP) */ |
| |
| #endif /* !(_SPARC64_SMP_H) */ |