cpupower: Add cpuidle parts into library

[cascardo/linux.git] / tools / power / cpupower / lib / cpupower.h

diff --git a/tools/power/cpupower/lib/cpupower.h b/tools/power/cpupower/lib/cpupower.h
new file mode 100644 (file)
index 0000000..fa031fc
--- /dev/null
+++ b/tools/power/cpupower/lib/cpupower.h
@@ -0,0 +1,35 @@
+#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