Commit | Line | Data |
---|---|---|
dd56fdf2 | 1 | #ifndef _ASM_POWERPC_TOPOLOGY_H |
2 | #define _ASM_POWERPC_TOPOLOGY_H | |
88ced031 | 3 | #ifdef __KERNEL__ |
1da177e4 | 4 | |
1da177e4 | 5 | |
953039c8 JK |
6 | struct sys_device; |
7 | struct device_node; | |
8 | ||
1da177e4 LT |
9 | #ifdef CONFIG_NUMA |
10 | ||
dd56fdf2 | 11 | #include <asm/mmzone.h> |
12 | ||
1da177e4 LT |
13 | static inline int cpu_to_node(int cpu) |
14 | { | |
45fb6cea | 15 | return numa_cpu_lookup_table[cpu]; |
1da177e4 LT |
16 | } |
17 | ||
18 | #define parent_node(node) (node) | |
19 | ||
20 | static inline cpumask_t node_to_cpumask(int node) | |
21 | { | |
22 | return numa_cpumask_lookup_table[node]; | |
23 | } | |
24 | ||
25 | static inline int node_to_first_cpu(int node) | |
26 | { | |
27 | cpumask_t tmp; | |
28 | tmp = node_to_cpumask(node); | |
29 | return first_cpu(tmp); | |
30 | } | |
31 | ||
953039c8 JK |
32 | int of_node_to_nid(struct device_node *device); |
33 | ||
357518fa AB |
34 | struct pci_bus; |
35 | extern int pcibus_to_node(struct pci_bus *bus); | |
36 | ||
37 | #define pcibus_to_cpumask(bus) (pcibus_to_node(bus) == -1 ? \ | |
38 | CPU_MASK_ALL : \ | |
39 | node_to_cpumask(pcibus_to_node(bus)) \ | |
40 | ) | |
1da177e4 | 41 | |
1da177e4 LT |
42 | /* sched_domains SD_NODE_INIT for PPC64 machines */ |
43 | #define SD_NODE_INIT (struct sched_domain) { \ | |
44 | .span = CPU_MASK_NONE, \ | |
45 | .parent = NULL, \ | |
46 | .groups = NULL, \ | |
47 | .min_interval = 8, \ | |
48 | .max_interval = 32, \ | |
49 | .busy_factor = 32, \ | |
50 | .imbalance_pct = 125, \ | |
1da177e4 LT |
51 | .cache_nice_tries = 1, \ |
52 | .per_cpu_gain = 100, \ | |
5cfccd7f | 53 | .busy_idx = 3, \ |
d2a33170 | 54 | .idle_idx = 1, \ |
5cfccd7f NP |
55 | .newidle_idx = 2, \ |
56 | .wake_idx = 1, \ | |
1da177e4 LT |
57 | .flags = SD_LOAD_BALANCE \ |
58 | | SD_BALANCE_EXEC \ | |
59 | | SD_BALANCE_NEWIDLE \ | |
60 | | SD_WAKE_IDLE \ | |
61 | | SD_WAKE_BALANCE, \ | |
62 | .last_balance = jiffies, \ | |
63 | .balance_interval = 1, \ | |
64 | .nr_balance_failed = 0, \ | |
65 | } | |
66 | ||
4b703a23 AB |
67 | extern void __init dump_numa_cpu_topology(void); |
68 | ||
953039c8 JK |
69 | extern int sysfs_add_device_to_node(struct sys_device *dev, int nid); |
70 | extern void sysfs_remove_device_from_node(struct sys_device *dev, int nid); | |
71 | ||
561fb765 | 72 | #else |
1da177e4 | 73 | |
953039c8 JK |
74 | static inline int of_node_to_nid(struct device_node *device) |
75 | { | |
76 | return 0; | |
77 | } | |
78 | ||
4b703a23 AB |
79 | static inline void dump_numa_cpu_topology(void) {} |
80 | ||
953039c8 JK |
81 | static inline int sysfs_add_device_to_node(struct sys_device *dev, int nid) |
82 | { | |
83 | return 0; | |
84 | } | |
85 | ||
86 | static inline void sysfs_remove_device_from_node(struct sys_device *dev, | |
87 | int nid) | |
88 | { | |
89 | } | |
90 | ||
91 | ||
1da177e4 LT |
92 | #include <asm-generic/topology.h> |
93 | ||
561fb765 AB |
94 | #endif /* CONFIG_NUMA */ |
95 | ||
88ced031 | 96 | #endif /* __KERNEL__ */ |
dd56fdf2 | 97 | #endif /* _ASM_POWERPC_TOPOLOGY_H */ |