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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 | 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 | ||
86c6f274 RR |
20 | #define cpumask_of_node(node) (&numa_cpumask_lookup_table[node]) |
21 | ||
953039c8 JK |
22 | int of_node_to_nid(struct device_node *device); |
23 | ||
357518fa | 24 | struct pci_bus; |
11faa658 | 25 | #ifdef CONFIG_PCI |
357518fa | 26 | extern int pcibus_to_node(struct pci_bus *bus); |
11faa658 AB |
27 | #else |
28 | static inline int pcibus_to_node(struct pci_bus *bus) | |
29 | { | |
30 | return -1; | |
31 | } | |
32 | #endif | |
357518fa | 33 | |
86c6f274 RR |
34 | #define cpumask_of_pcibus(bus) (pcibus_to_node(bus) == -1 ? \ |
35 | cpu_all_mask : \ | |
36 | cpumask_of_node(pcibus_to_node(bus))) | |
37 | ||
1da177e4 LT |
38 | /* sched_domains SD_NODE_INIT for PPC64 machines */ |
39 | #define SD_NODE_INIT (struct sched_domain) { \ | |
1da177e4 | 40 | .parent = NULL, \ |
1a848870 | 41 | .child = NULL, \ |
1da177e4 LT |
42 | .groups = NULL, \ |
43 | .min_interval = 8, \ | |
44 | .max_interval = 32, \ | |
45 | .busy_factor = 32, \ | |
46 | .imbalance_pct = 125, \ | |
1da177e4 | 47 | .cache_nice_tries = 1, \ |
5cfccd7f | 48 | .busy_idx = 3, \ |
d2a33170 | 49 | .idle_idx = 1, \ |
0ec9fab3 | 50 | .newidle_idx = 0, \ |
78e7ed53 | 51 | .wake_idx = 0, \ |
1da177e4 LT |
52 | .flags = SD_LOAD_BALANCE \ |
53 | | SD_BALANCE_EXEC \ | |
78e7ed53 | 54 | | SD_BALANCE_FORK \ |
1da177e4 | 55 | | SD_BALANCE_NEWIDLE \ |
c88d5910 | 56 | | SD_SERIALIZE, \ |
1da177e4 LT |
57 | .last_balance = jiffies, \ |
58 | .balance_interval = 1, \ | |
59 | .nr_balance_failed = 0, \ | |
60 | } | |
61 | ||
4b703a23 AB |
62 | extern void __init dump_numa_cpu_topology(void); |
63 | ||
953039c8 JK |
64 | extern int sysfs_add_device_to_node(struct sys_device *dev, int nid); |
65 | extern void sysfs_remove_device_from_node(struct sys_device *dev, int nid); | |
66 | ||
561fb765 | 67 | #else |
1da177e4 | 68 | |
953039c8 JK |
69 | static inline int of_node_to_nid(struct device_node *device) |
70 | { | |
71 | return 0; | |
72 | } | |
73 | ||
4b703a23 AB |
74 | static inline void dump_numa_cpu_topology(void) {} |
75 | ||
953039c8 JK |
76 | static inline int sysfs_add_device_to_node(struct sys_device *dev, int nid) |
77 | { | |
78 | return 0; | |
79 | } | |
80 | ||
81 | static inline void sysfs_remove_device_from_node(struct sys_device *dev, | |
82 | int nid) | |
83 | { | |
84 | } | |
85 | ||
aa6b5446 | 86 | #endif /* CONFIG_NUMA */ |
953039c8 | 87 | |
1da177e4 LT |
88 | #include <asm-generic/topology.h> |
89 | ||
5c45bf27 SS |
90 | #ifdef CONFIG_SMP |
91 | #include <asm/cputable.h> | |
056f4faa SR |
92 | #define smt_capable() (cpu_has_feature(CPU_FTR_SMT)) |
93 | ||
94 | #ifdef CONFIG_PPC64 | |
95 | #include <asm/smp.h> | |
96 | ||
9150641d RR |
97 | #define topology_thread_cpumask(cpu) (&per_cpu(cpu_sibling_map, cpu)) |
98 | #define topology_core_cpumask(cpu) (&per_cpu(cpu_core_map, cpu)) | |
e9efed3b | 99 | #define topology_core_id(cpu) (cpu_to_core_id(cpu)) |
056f4faa | 100 | #endif |
5c45bf27 SS |
101 | #endif |
102 | ||
88ced031 | 103 | #endif /* __KERNEL__ */ |
dd56fdf2 | 104 | #endif /* _ASM_POWERPC_TOPOLOGY_H */ |