| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #ifndef __CPUPOWER_CPUPOWER_H__ |
| 3 | #define __CPUPOWER_CPUPOWER_H__ |
| 4 | |
| 5 | #define CPULIST_BUFFER 5 |
| 6 | |
| 7 | struct cpupower_topology { |
| 8 | /* Amount of CPU cores, packages and threads per core in the system */ |
| 9 | unsigned int cores; |
| 10 | unsigned int pkgs; |
| 11 | unsigned int threads; /* per core */ |
| 12 | |
| 13 | /* Array gets mallocated with cores entries, holding per core info */ |
| 14 | struct cpuid_core_info *core_info; |
| 15 | }; |
| 16 | |
| 17 | struct cpuid_core_info { |
| 18 | int pkg; |
| 19 | int core; |
| 20 | int cpu; |
| 21 | char core_cpu_list[CPULIST_BUFFER]; |
| 22 | |
| 23 | /* flags */ |
| 24 | unsigned int is_online:1; |
| 25 | }; |
| 26 | |
| 27 | #ifdef __cplusplus |
| 28 | extern "C" { |
| 29 | #endif |
| 30 | |
| 31 | int get_cpu_topology(struct cpupower_topology *cpu_top); |
| 32 | void cpu_topology_release(struct cpupower_topology cpu_top); |
| 33 | int cpupower_is_cpu_online(unsigned int cpu); |
| 34 | |
| 35 | #ifdef __cplusplus |
| 36 | } |
| 37 | #endif |
| 38 | |
| 39 | #endif |
| 40 | |