cpupower.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef __CPUPOWER_CPUPOWER_H__
 3#define __CPUPOWER_CPUPOWER_H__
 4
 5#define CPULIST_BUFFER 5
 6
 7struct 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
17struct 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
28extern "C" {
29#endif
30
31int get_cpu_topology(struct cpupower_topology *cpu_top);
32void cpu_topology_release(struct cpupower_topology cpu_top);
33int cpupower_is_cpu_online(unsigned int cpu);
34
35#ifdef __cplusplus
36}
37#endif
38
39#endif