Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 <asm/bitops.h> |
| 30 | #include <asm/atomic.h> |
| 31 | |
| 32 | extern cpumask_t phys_cpu_present_map; |
| 33 | #define cpu_possible_map phys_cpu_present_map |
| 34 | |
David S. Miller | 8935dce | 2006-03-08 16:09:19 -0800 | [diff] [blame] | 35 | extern cpumask_t cpu_sibling_map[NR_CPUS]; |
| 36 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 37 | /* |
| 38 | * General functions that each host system must provide. |
| 39 | */ |
| 40 | |
David S. Miller | 92704a1 | 2006-02-26 23:27:19 -0800 | [diff] [blame] | 41 | extern int hard_smp_processor_id(void); |
Ingo Molnar | 39c715b | 2005-06-21 17:14:34 -0700 | [diff] [blame] | 42 | #define raw_smp_processor_id() (current_thread_info()->cpu) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 43 | |
David S. Miller | 7abea92 | 2006-02-25 13:39:56 -0800 | [diff] [blame] | 44 | extern void smp_setup_cpu_possible_map(void); |
David S. Miller | 777a447 | 2007-02-22 06:24:10 -0800 | [diff] [blame] | 45 | extern unsigned char boot_cpu_id; |
David S. Miller | 7abea92 | 2006-02-25 13:39:56 -0800 | [diff] [blame] | 46 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | #endif /* !(__ASSEMBLY__) */ |
| 48 | |
David S. Miller | 7abea92 | 2006-02-25 13:39:56 -0800 | [diff] [blame] | 49 | #else |
| 50 | |
Fernando Luis Vazquez Cao | 2f4dfe2 | 2007-05-09 02:33:25 -0700 | [diff] [blame] | 51 | #define hard_smp_processor_id() 0 |
David S. Miller | 7abea92 | 2006-02-25 13:39:56 -0800 | [diff] [blame] | 52 | #define smp_setup_cpu_possible_map() do { } while (0) |
David S. Miller | 777a447 | 2007-02-22 06:24:10 -0800 | [diff] [blame] | 53 | #define boot_cpu_id (0) |
David S. Miller | 7abea92 | 2006-02-25 13:39:56 -0800 | [diff] [blame] | 54 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 55 | #endif /* !(CONFIG_SMP) */ |
| 56 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 57 | #endif /* !(_SPARC64_SMP_H) */ |