diff options
Diffstat (limited to 'tools/power/cpupower/lib/cpupower.h')
-rw-r--r-- | tools/power/cpupower/lib/cpupower.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/tools/power/cpupower/lib/cpupower.h b/tools/power/cpupower/lib/cpupower.h new file mode 100644 index 000000000..e4e4292ea --- /dev/null +++ b/tools/power/cpupower/lib/cpupower.h @@ -0,0 +1,36 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __CPUPOWER_CPUPOWER_H__ +#define __CPUPOWER_CPUPOWER_H__ + +struct cpupower_topology { + /* Amount of CPU cores, packages and threads per core in the system */ + unsigned int cores; + unsigned int pkgs; + unsigned int threads; /* per core */ + + /* Array gets mallocated with cores entries, holding per core info */ + struct cpuid_core_info *core_info; +}; + +struct cpuid_core_info { + int pkg; + int core; + int cpu; + + /* flags */ + unsigned int is_online:1; +}; + +#ifdef __cplusplus +extern "C" { +#endif + +int get_cpu_topology(struct cpupower_topology *cpu_top); +void cpu_topology_release(struct cpupower_topology cpu_top); +int cpupower_is_cpu_online(unsigned int cpu); + +#ifdef __cplusplus +} +#endif + +#endif |