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 
15 #define cpumask_of_node(node) ((node) == -1 ?				\
16 			       cpu_all_mask :				\
17 			       &numa_cpumask_lookup_table[node])
18 
19 struct pci_bus;
20 #ifdef CONFIG_PCI
21 extern int pcibus_to_node(struct pci_bus *pbus);
22 #else
pcibus_to_node(struct pci_bus * pbus)23 static inline int pcibus_to_node(struct pci_bus *pbus)
24 {
25 	return -1;
26 }
27 #endif
28 
29 #define cpumask_of_pcibus(bus)	\
30 	(pcibus_to_node(bus) == -1 ? \
31 	 cpu_all_mask : \
32 	 cpumask_of_node(pcibus_to_node(bus)))
33 
34 #define SD_NODE_INIT (struct sched_domain) {		\
35 	.min_interval		= 8,			\
36 	.max_interval		= 32,			\
37 	.busy_factor		= 32,			\
38 	.imbalance_pct		= 125,			\
39 	.cache_nice_tries	= 2,			\
40 	.busy_idx		= 3,			\
41 	.idle_idx		= 2,			\
42 	.newidle_idx		= 0, 			\
43 	.wake_idx		= 0,			\
44 	.forkexec_idx		= 0,			\
45 	.flags			= SD_LOAD_BALANCE	\
46 				| SD_BALANCE_FORK	\
47 				| SD_BALANCE_EXEC	\
48 				| SD_SERIALIZE,		\
49 	.last_balance		= jiffies,		\
50 	.balance_interval	= 1,			\
51 }
52 
53 #else /* CONFIG_NUMA */
54 
55 #include <asm-generic/topology.h>
56 
57 #endif /* !(CONFIG_NUMA) */
58 
59 #ifdef CONFIG_SMP
60 #define topology_physical_package_id(cpu)	(cpu_data(cpu).proc_id)
61 #define topology_core_id(cpu)			(cpu_data(cpu).core_id)
62 #define topology_core_cpumask(cpu)		(&cpu_core_map[cpu])
63 #define topology_thread_cpumask(cpu)		(&per_cpu(cpu_sibling_map, cpu))
64 #define mc_capable()				(sparc64_multi_core)
65 #define smt_capable()				(sparc64_multi_core)
66 #endif /* CONFIG_SMP */
67 
68 extern cpumask_t cpu_core_map[NR_CPUS];
cpu_coregroup_mask(int cpu)69 static inline const struct cpumask *cpu_coregroup_mask(int cpu)
70 {
71         return &cpu_core_map[cpu];
72 }
73 
74 #endif /* _ASM_SPARC64_TOPOLOGY_H */
75