[TCP]: Fix snd_cwnd adjustments in tcp_highspeed.c
[linux-2.6.git] / include / asm-powerpc / topology.h
1 #ifndef _ASM_POWERPC_TOPOLOGY_H
2 #define _ASM_POWERPC_TOPOLOGY_H
3 #ifdef __KERNEL__
4
5 #include <linux/config.h>
6
7 struct sys_device;
8 struct device_node;
9
10 #ifdef CONFIG_NUMA
11
12 #include <asm/mmzone.h>
13
14 static inline int cpu_to_node(int cpu)
15 {
16         return numa_cpu_lookup_table[cpu];
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
33 int of_node_to_nid(struct device_node *device);
34
35 #define pcibus_to_node(node)    (-1)
36 #define pcibus_to_cpumask(bus)  (cpu_online_map)
37
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,                  \
47         .cache_nice_tries       = 1,                    \
48         .per_cpu_gain           = 100,                  \
49         .busy_idx               = 3,                    \
50         .idle_idx               = 1,                    \
51         .newidle_idx            = 2,                    \
52         .wake_idx               = 1,                    \
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
63 extern void __init dump_numa_cpu_topology(void);
64
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
68 #else
69
70 static inline int of_node_to_nid(struct device_node *device)
71 {
72         return 0;
73 }
74
75 static inline void dump_numa_cpu_topology(void) {}
76
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
88 #include <asm-generic/topology.h>
89
90 #endif /* CONFIG_NUMA */
91
92 #endif /* __KERNEL__ */
93 #endif  /* _ASM_POWERPC_TOPOLOGY_H */