projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* smp.h: Sparc64 specific SMP stuff. |
| 2 | * | |
| 3 | * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) | |
| 4 | */ | |
| 5 | ||
| 6 | #ifndef _SPARC64_SMP_H | |
| 7 | #define _SPARC64_SMP_H | |
| 8 | ||
| 1da177e4 LT |
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 | ||
| 1977f032 | 29 | #include <linux/bitops.h> |
| 1da177e4 | 30 | #include <asm/atomic.h> |
| d5a7430d | 31 | #include <asm/percpu.h> |
| 1da177e4 | 32 | |
| d5a7430d | 33 | DECLARE_PER_CPU(cpumask_t, cpu_sibling_map); |
| f78eae2e | 34 | extern cpumask_t cpu_core_map[NR_CPUS]; |
| a2f9f6bb | 35 | extern int sparc64_multi_core; |
| 8935dced | 36 | |
| 1da177e4 LT |
37 | /* |
| 38 | * General functions that each host system must provide. | |
| 39 | */ | |
| 40 | ||
| 92704a1c | 41 | extern int hard_smp_processor_id(void); |
| 39c715b7 | 42 | #define raw_smp_processor_id() (current_thread_info()->cpu) |
| 1da177e4 | 43 | |
| 5cbc3073 | 44 | extern void smp_fill_in_sib_core_maps(void); |
| e0204409 | 45 | extern void cpu_play_dead(void); |
| 7abea921 | 46 | |
| 4f0234f4 DM |
47 | #ifdef CONFIG_HOTPLUG_CPU |
| 48 | extern int __cpu_disable(void); | |
| 49 | extern void __cpu_die(unsigned int cpu); | |
| 50 | #endif | |
| 51 | ||
| 1da177e4 LT |
52 | #endif /* !(__ASSEMBLY__) */ |
| 53 | ||
| 7abea921 DM |
54 | #else |
| 55 | ||
| 2f4dfe20 | 56 | #define hard_smp_processor_id() 0 |
| 5cbc3073 | 57 | #define smp_fill_in_sib_core_maps() do { } while (0) |
| 7abea921 | 58 | |
| 1da177e4 LT |
59 | #endif /* !(CONFIG_SMP) */ |
| 60 | ||
| 1da177e4 | 61 | #endif /* !(_SPARC64_SMP_H) */ |