1 #ifndef _ASM_SPARC64_TOPOLOGY_H
2 #define _ASM_SPARC64_TOPOLOGY_H
3
4 #ifdef CONFIG_NUMA
5
6 #include <asm/mmzone.h>
7
cpu_to_node(int cpu)8 static inline int cpu_to_node(int cpu)
9 {
10 return numa_cpu_lookup_table[cpu];
11 }
12
13 #define parent_node(node) (node)
14
node_to_cpumask(int node)15 static inline cpumask_t node_to_cpumask(int node)
16 {
17 return numa_cpumask_lookup_table[node];
18 }
19 #define cpumask_of_node(node) (&numa_cpumask_lookup_table[node])
20
21 /*
22 * Returns a pointer to the cpumask of CPUs on Node 'node'.
23 * Deprecated: use "const struct cpumask *mask = cpumask_of_node(node)"
24 */
25 #define node_to_cpumask_ptr(v, node) \
26 cpumask_t *v = &(numa_cpumask_lookup_table[node])
27
28 #define node_to_cpumask_ptr_next(v, node) \
29 v = &(numa_cpumask_lookup_table[node])
30
node_to_first_cpu(int node)31 static inline int node_to_first_cpu(int node)
32 {
33 return cpumask_first(cpumask_of_node(node));
34 }
35
36 struct pci_bus;
37 #ifdef CONFIG_PCI
38 extern int pcibus_to_node(struct pci_bus *pbus);
39 #else
pcibus_to_node(struct pci_bus * pbus)40 static inline int pcibus_to_node(struct pci_bus *pbus)
41 {
42 return -1;
43 }
44 #endif
45
46 #define pcibus_to_cpumask(bus) \
47 (pcibus_to_node(bus) == -1 ? \
48 CPU_MASK_ALL : \
49 node_to_cpumask(pcibus_to_node(bus)))
50 #define cpumask_of_pcibus(bus) \
51 (pcibus_to_node(bus) == -1 ? \
52 CPU_MASK_ALL_PTR : \
53 cpumask_of_node(pcibus_to_node(bus)))
54
55 #define SD_NODE_INIT (struct sched_domain) { \
56 .min_interval = 8, \
57 .max_interval = 32, \
58 .busy_factor = 32, \
59 .imbalance_pct = 125, \
60 .cache_nice_tries = 2, \
61 .busy_idx = 3, \
62 .idle_idx = 2, \
63 .newidle_idx = 0, \
64 .wake_idx = 1, \
65 .forkexec_idx = 1, \
66 .flags = SD_LOAD_BALANCE \
67 | SD_BALANCE_FORK \
68 | SD_BALANCE_EXEC \
69 | SD_SERIALIZE \
70 | SD_WAKE_BALANCE, \
71 .last_balance = jiffies, \
72 .balance_interval = 1, \
73 }
74
75 #else /* CONFIG_NUMA */
76
77 #include <asm-generic/topology.h>
78
79 #endif /* !(CONFIG_NUMA) */
80
81 #ifdef CONFIG_SMP
82 #define topology_physical_package_id(cpu) (cpu_data(cpu).proc_id)
83 #define topology_core_id(cpu) (cpu_data(cpu).core_id)
84 #define topology_core_siblings(cpu) (cpu_core_map[cpu])
85 #define topology_thread_siblings(cpu) (per_cpu(cpu_sibling_map, cpu))
86 #define topology_core_cpumask(cpu) (&cpu_core_map[cpu])
87 #define topology_thread_cpumask(cpu) (&per_cpu(cpu_sibling_map, cpu))
88 #define mc_capable() (sparc64_multi_core)
89 #define smt_capable() (sparc64_multi_core)
90 #endif /* CONFIG_SMP */
91
92 #define cpu_coregroup_map(cpu) (cpu_core_map[cpu])
93 #define cpu_coregroup_mask(cpu) (&cpu_core_map[cpu])
94
95 #endif /* _ASM_SPARC64_TOPOLOGY_H */
96