| Sam Ravnborg | f5e706a | 2008-07-17 21:55:51 -0700 | [diff] [blame^] | 1 | /* smp.h: Sparc64 specific SMP stuff. |
| 2 | * |
| 3 | * Copyright (C) 1996, 2008 David S. Miller (davem@davemloft.net) |
| 4 | */ |
| 5 | |
| 6 | #ifndef _SPARC64_SMP_H |
| 7 | #define _SPARC64_SMP_H |
| 8 | |
| 9 | #include <linux/threads.h> |
| 10 | #include <asm/asi.h> |
| 11 | #include <asm/starfire.h> |
| 12 | #include <asm/spitfire.h> |
| 13 | |
| 14 | #ifndef __ASSEMBLY__ |
| 15 | |
| 16 | #include <linux/cpumask.h> |
| 17 | #include <linux/cache.h> |
| 18 | |
| 19 | #endif /* !(__ASSEMBLY__) */ |
| 20 | |
| 21 | #ifdef CONFIG_SMP |
| 22 | |
| 23 | #ifndef __ASSEMBLY__ |
| 24 | |
| 25 | /* |
| 26 | * Private routines/data |
| 27 | */ |
| 28 | |
| 29 | #include <linux/bitops.h> |
| 30 | #include <asm/atomic.h> |
| 31 | #include <asm/percpu.h> |
| 32 | |
| 33 | DECLARE_PER_CPU(cpumask_t, cpu_sibling_map); |
| 34 | extern cpumask_t cpu_core_map[NR_CPUS]; |
| 35 | extern int sparc64_multi_core; |
| 36 | |
| 37 | /* |
| 38 | * General functions that each host system must provide. |
| 39 | */ |
| 40 | |
| 41 | extern int hard_smp_processor_id(void); |
| 42 | #define raw_smp_processor_id() (current_thread_info()->cpu) |
| 43 | |
| 44 | extern void smp_fill_in_sib_core_maps(void); |
| 45 | extern void cpu_play_dead(void); |
| 46 | |
| 47 | extern void smp_fetch_global_regs(void); |
| 48 | |
| 49 | #ifdef CONFIG_HOTPLUG_CPU |
| 50 | extern int __cpu_disable(void); |
| 51 | extern void __cpu_die(unsigned int cpu); |
| 52 | #endif |
| 53 | |
| 54 | #endif /* !(__ASSEMBLY__) */ |
| 55 | |
| 56 | #else |
| 57 | |
| 58 | #define hard_smp_processor_id() 0 |
| 59 | #define smp_fill_in_sib_core_maps() do { } while (0) |
| 60 | #define smp_fetch_global_regs() do { } while (0) |
| 61 | |
| 62 | #endif /* !(CONFIG_SMP) */ |
| 63 | |
| 64 | #endif /* !(_SPARC64_SMP_H) */ |