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1 | #ifndef __ASM_TOPOLOGY_H |
2 | #define __ASM_TOPOLOGY_H | |
3 | ||
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4 | #include <linux/cpumask.h> |
5 | ||
6 | struct cpu_topology { | |
7 | int thread_id; | |
8 | int core_id; | |
9 | int cluster_id; | |
10 | cpumask_t thread_sibling; | |
11 | cpumask_t core_sibling; | |
12 | }; | |
13 | ||
14 | extern struct cpu_topology cpu_topology[NR_CPUS]; | |
15 | ||
16 | #define topology_physical_package_id(cpu) (cpu_topology[cpu].cluster_id) | |
17 | #define topology_core_id(cpu) (cpu_topology[cpu].core_id) | |
18 | #define topology_core_cpumask(cpu) (&cpu_topology[cpu].core_sibling) | |
06931e62 | 19 | #define topology_sibling_cpumask(cpu) (&cpu_topology[cpu].thread_sibling) |
f6e763b9 | 20 | |
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21 | void init_cpu_topology(void); |
22 | void store_cpu_topology(unsigned int cpuid); | |
23 | const struct cpumask *cpu_coregroup_mask(int cpu); | |
24 | ||
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25 | #ifdef CONFIG_NUMA |
26 | ||
27 | struct pci_bus; | |
28 | int pcibus_to_node(struct pci_bus *bus); | |
29 | #define cpumask_of_pcibus(bus) (pcibus_to_node(bus) == -1 ? \ | |
30 | cpu_all_mask : \ | |
31 | cpumask_of_node(pcibus_to_node(bus))) | |
32 | ||
33 | #endif /* CONFIG_NUMA */ | |
34 | ||
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35 | #include <asm-generic/topology.h> |
36 | ||
37 | #endif /* _ASM_ARM_TOPOLOGY_H */ |