projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| bbc9e2f4 TH |
1 | #ifndef _ASM_X86_NUMA_H |
| 2 | #define _ASM_X86_NUMA_H | |
| 3 | ||
| 6bd26273 TH |
4 | #include <linux/nodemask.h> |
| 5 | ||
| de2d9445 | 6 | #include <asm/topology.h> |
| bbc9e2f4 TH |
7 | #include <asm/apicdef.h> |
| 8 | ||
| 9 | #ifdef CONFIG_NUMA | |
| ef396ec9 TH |
10 | |
| 11 | #define NR_NODE_MEMBLKS (MAX_NUMNODES*2) | |
| 12 | ||
| bbc9e2f4 TH |
13 | /* |
| 14 | * __apicid_to_node[] stores the raw mapping between physical apicid and | |
| 15 | * node and is used to initialize cpu_to_node mapping. | |
| 16 | * | |
| 17 | * The mapping may be overridden by apic->numa_cpu_node() on 32bit and thus | |
| 18 | * should be accessed by the accessors - set_apicid_to_node() and | |
| 19 | * numa_cpu_node(). | |
| 20 | */ | |
| 21 | extern s16 __apicid_to_node[MAX_LOCAL_APIC]; | |
| e6df595b | 22 | extern nodemask_t numa_nodes_parsed __initdata; |
| bbc9e2f4 | 23 | |
| b0d31080 TH |
24 | extern int __init numa_add_memblk(int nodeid, u64 start, u64 end); |
| 25 | extern void __init numa_set_distance(int from, int to, int distance); | |
| 26 | ||
| bbc9e2f4 TH |
27 | static inline void set_apicid_to_node(int apicid, s16 node) |
| 28 | { | |
| 29 | __apicid_to_node[apicid] = node; | |
| 30 | } | |
| 6bd26273 TH |
31 | |
| 32 | extern int __cpuinit numa_cpu_node(int cpu); | |
| 33 | ||
| bbc9e2f4 TH |
34 | #else /* CONFIG_NUMA */ |
| 35 | static inline void set_apicid_to_node(int apicid, s16 node) | |
| 36 | { | |
| 37 | } | |
| 6bd26273 TH |
38 | |
| 39 | static inline int numa_cpu_node(int cpu) | |
| 40 | { | |
| 41 | return NUMA_NO_NODE; | |
| 42 | } | |
| bbc9e2f4 TH |
43 | #endif /* CONFIG_NUMA */ |
| 44 | ||
| 96a388de TG |
45 | #ifdef CONFIG_X86_32 |
| 46 | # include "numa_32.h" | |
| 47 | #else | |
| 48 | # include "numa_64.h" | |
| 49 | #endif | |
| bbc9e2f4 | 50 | |
| 645a7919 TH |
51 | #ifdef CONFIG_NUMA |
| 52 | extern void __cpuinit numa_set_node(int cpu, int node); | |
| 53 | extern void __cpuinit numa_clear_node(int cpu); | |
| 8db78cc4 TH |
54 | extern void __init numa_init_array(void); |
| 55 | extern void __init init_cpu_to_node(void); | |
| de2d9445 TH |
56 | extern void __cpuinit numa_add_cpu(int cpu); |
| 57 | extern void __cpuinit numa_remove_cpu(int cpu); | |
| 645a7919 TH |
58 | #else /* CONFIG_NUMA */ |
| 59 | static inline void numa_set_node(int cpu, int node) { } | |
| 60 | static inline void numa_clear_node(int cpu) { } | |
| 8db78cc4 TH |
61 | static inline void numa_init_array(void) { } |
| 62 | static inline void init_cpu_to_node(void) { } | |
| de2d9445 TH |
63 | static inline void numa_add_cpu(int cpu) { } |
| 64 | static inline void numa_remove_cpu(int cpu) { } | |
| 645a7919 TH |
65 | #endif /* CONFIG_NUMA */ |
| 66 | ||
| de2d9445 | 67 | #ifdef CONFIG_DEBUG_PER_CPU_MAPS |
| 7a6c6547 | 68 | void debug_cpumask_set_cpu(int cpu, int node, bool enable); |
| de2d9445 TH |
69 | #endif |
| 70 | ||
| bbc9e2f4 | 71 | #endif /* _ASM_X86_NUMA_H */ |