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