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