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Commit | Line | Data |
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dd56fdf2 | 1 | #ifndef _ASM_POWERPC_TOPOLOGY_H |
2 | #define _ASM_POWERPC_TOPOLOGY_H | |
88ced031 | 3 | #ifdef __KERNEL__ |
1da177e4 LT |
4 | |
5 | #include <linux/config.h> | |
1da177e4 | 6 | |
953039c8 JK |
7 | struct sys_device; |
8 | struct device_node; | |
9 | ||
1da177e4 LT |
10 | #ifdef CONFIG_NUMA |
11 | ||
dd56fdf2 | 12 | #include <asm/mmzone.h> |
13 | ||
1da177e4 LT |
14 | static inline int cpu_to_node(int cpu) |
15 | { | |
45fb6cea | 16 | return numa_cpu_lookup_table[cpu]; |
1da177e4 LT |
17 | } |
18 | ||
19 | #define parent_node(node) (node) | |
20 | ||
21 | static inline cpumask_t node_to_cpumask(int node) | |
22 | { | |
23 | return numa_cpumask_lookup_table[node]; | |
24 | } | |
25 | ||
26 | static inline int node_to_first_cpu(int node) | |
27 | { | |
28 | cpumask_t tmp; | |
29 | tmp = node_to_cpumask(node); | |
30 | return first_cpu(tmp); | |
31 | } | |
32 | ||
953039c8 JK |
33 | int of_node_to_nid(struct device_node *device); |
34 | ||
561fb765 | 35 | #define pcibus_to_node(node) (-1) |
1da177e4 LT |
36 | #define pcibus_to_cpumask(bus) (cpu_online_map) |
37 | ||
1da177e4 LT |
38 | /* sched_domains SD_NODE_INIT for PPC64 machines */ |
39 | #define SD_NODE_INIT (struct sched_domain) { \ | |
40 | .span = CPU_MASK_NONE, \ | |
41 | .parent = NULL, \ | |
42 | .groups = NULL, \ | |
43 | .min_interval = 8, \ | |
44 | .max_interval = 32, \ | |
45 | .busy_factor = 32, \ | |
46 | .imbalance_pct = 125, \ | |
1da177e4 LT |
47 | .cache_nice_tries = 1, \ |
48 | .per_cpu_gain = 100, \ | |
5cfccd7f | 49 | .busy_idx = 3, \ |
d2a33170 | 50 | .idle_idx = 1, \ |
5cfccd7f NP |
51 | .newidle_idx = 2, \ |
52 | .wake_idx = 1, \ | |
1da177e4 LT |
53 | .flags = SD_LOAD_BALANCE \ |
54 | | SD_BALANCE_EXEC \ | |
55 | | SD_BALANCE_NEWIDLE \ | |
56 | | SD_WAKE_IDLE \ | |
57 | | SD_WAKE_BALANCE, \ | |
58 | .last_balance = jiffies, \ | |
59 | .balance_interval = 1, \ | |
60 | .nr_balance_failed = 0, \ | |
61 | } | |
62 | ||
4b703a23 AB |
63 | extern void __init dump_numa_cpu_topology(void); |
64 | ||
953039c8 JK |
65 | extern int sysfs_add_device_to_node(struct sys_device *dev, int nid); |
66 | extern void sysfs_remove_device_from_node(struct sys_device *dev, int nid); | |
67 | ||
561fb765 | 68 | #else |
1da177e4 | 69 | |
953039c8 JK |
70 | static inline int of_node_to_nid(struct device_node *device) |
71 | { | |
72 | return 0; | |
73 | } | |
74 | ||
4b703a23 AB |
75 | static inline void dump_numa_cpu_topology(void) {} |
76 | ||
953039c8 JK |
77 | static inline int sysfs_add_device_to_node(struct sys_device *dev, int nid) |
78 | { | |
79 | return 0; | |
80 | } | |
81 | ||
82 | static inline void sysfs_remove_device_from_node(struct sys_device *dev, | |
83 | int nid) | |
84 | { | |
85 | } | |
86 | ||
87 | ||
1da177e4 LT |
88 | #include <asm-generic/topology.h> |
89 | ||
561fb765 AB |
90 | #endif /* CONFIG_NUMA */ |
91 | ||
88ced031 | 92 | #endif /* __KERNEL__ */ |
dd56fdf2 | 93 | #endif /* _ASM_POWERPC_TOPOLOGY_H */ |