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