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 | 34 | struct pci_bus; |
11faa658 | 35 | #ifdef CONFIG_PCI |
357518fa | 36 | extern int pcibus_to_node(struct pci_bus *bus); |
11faa658 AB |
37 | #else |
38 | static inline int pcibus_to_node(struct pci_bus *bus) | |
39 | { | |
40 | return -1; | |
41 | } | |
42 | #endif | |
357518fa AB |
43 | |
44 | #define pcibus_to_cpumask(bus) (pcibus_to_node(bus) == -1 ? \ | |
45 | CPU_MASK_ALL : \ | |
46 | node_to_cpumask(pcibus_to_node(bus)) \ | |
47 | ) | |
1da177e4 | 48 | |
1da177e4 LT |
49 | /* sched_domains SD_NODE_INIT for PPC64 machines */ |
50 | #define SD_NODE_INIT (struct sched_domain) { \ | |
51 | .span = CPU_MASK_NONE, \ | |
52 | .parent = NULL, \ | |
1a848870 | 53 | .child = NULL, \ |
1da177e4 LT |
54 | .groups = NULL, \ |
55 | .min_interval = 8, \ | |
56 | .max_interval = 32, \ | |
57 | .busy_factor = 32, \ | |
58 | .imbalance_pct = 125, \ | |
1da177e4 | 59 | .cache_nice_tries = 1, \ |
5cfccd7f | 60 | .busy_idx = 3, \ |
d2a33170 | 61 | .idle_idx = 1, \ |
5cfccd7f NP |
62 | .newidle_idx = 2, \ |
63 | .wake_idx = 1, \ | |
1da177e4 LT |
64 | .flags = SD_LOAD_BALANCE \ |
65 | | SD_BALANCE_EXEC \ | |
66 | | SD_BALANCE_NEWIDLE \ | |
67 | | SD_WAKE_IDLE \ | |
08c183f3 | 68 | | SD_SERIALIZE \ |
1da177e4 LT |
69 | | SD_WAKE_BALANCE, \ |
70 | .last_balance = jiffies, \ | |
71 | .balance_interval = 1, \ | |
72 | .nr_balance_failed = 0, \ | |
73 | } | |
74 | ||
4b703a23 AB |
75 | extern void __init dump_numa_cpu_topology(void); |
76 | ||
953039c8 JK |
77 | extern int sysfs_add_device_to_node(struct sys_device *dev, int nid); |
78 | extern void sysfs_remove_device_from_node(struct sys_device *dev, int nid); | |
79 | ||
561fb765 | 80 | #else |
1da177e4 | 81 | |
953039c8 JK |
82 | static inline int of_node_to_nid(struct device_node *device) |
83 | { | |
84 | return 0; | |
85 | } | |
86 | ||
4b703a23 AB |
87 | static inline void dump_numa_cpu_topology(void) {} |
88 | ||
953039c8 JK |
89 | static inline int sysfs_add_device_to_node(struct sys_device *dev, int nid) |
90 | { | |
91 | return 0; | |
92 | } | |
93 | ||
94 | static inline void sysfs_remove_device_from_node(struct sys_device *dev, | |
95 | int nid) | |
96 | { | |
97 | } | |
98 | ||
99 | ||
1da177e4 LT |
100 | #include <asm-generic/topology.h> |
101 | ||
561fb765 AB |
102 | #endif /* CONFIG_NUMA */ |
103 | ||
5c45bf27 SS |
104 | #ifdef CONFIG_SMP |
105 | #include <asm/cputable.h> | |
056f4faa SR |
106 | #define smt_capable() (cpu_has_feature(CPU_FTR_SMT)) |
107 | ||
108 | #ifdef CONFIG_PPC64 | |
109 | #include <asm/smp.h> | |
110 | ||
d5a7430d | 111 | #define topology_thread_siblings(cpu) (per_cpu(cpu_sibling_map, cpu)) |
056f4faa | 112 | #endif |
5c45bf27 SS |
113 | #endif |
114 | ||
88ced031 | 115 | #endif /* __KERNEL__ */ |
dd56fdf2 | 116 | #endif /* _ASM_POWERPC_TOPOLOGY_H */ |