| Kyle Swenson | 8d8f654 | 2021-03-15 11:02:55 -0600 | [diff] [blame^] | 1 | #ifndef __ASM_TOPOLOGY_H |
| 2 | #define __ASM_TOPOLOGY_H |
| 3 | |
| 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) |
| 19 | #define topology_sibling_cpumask(cpu) (&cpu_topology[cpu].thread_sibling) |
| 20 | |
| 21 | void init_cpu_topology(void); |
| 22 | void store_cpu_topology(unsigned int cpuid); |
| 23 | const struct cpumask *cpu_coregroup_mask(int cpu); |
| 24 | |
| 25 | #include <asm-generic/topology.h> |
| 26 | |
| 27 | #endif /* _ASM_ARM_TOPOLOGY_H */ |