1 files changed, 36 insertions, 0 deletions
diff --git a/include/linux/sched_energy.h b/include/linux/sched_energy.h
new file mode 100644
index 000000000000..a3f1627ac609
--- /dev/null
+++ b/include/linux/sched_energy.h
@@ -0,0 +1,36 @@
+#ifndef _LINUX_SCHED_ENERGY_H
+#define _LINUX_SCHED_ENERGY_H
+
+#include <linux/sched.h>
+#include <linux/slab.h>
+
+/*
+ * There doesn't seem to be an NR_CPUS style max number of sched domain
+ * levels so here's an arbitrary constant one for the moment.
+ *
+ * The levels alluded to here correspond to entries in struct
+ * sched_domain_topology_level that are meant to be populated by arch
+ * specific code (topology.c).
+ */
+#define NR_SD_LEVELS 8
+
+#define SD_LEVEL0   0
+#define SD_LEVEL1   1
+#define SD_LEVEL2   2
+#define SD_LEVEL3   3
+#define SD_LEVEL4   4
+#define SD_LEVEL5   5
+#define SD_LEVEL6   6
+#define SD_LEVEL7   7
+
+/*
+ * Convenience macro for iterating through said sd levels.
+ */
+#define for_each_possible_sd_level(level)		    \
+	for (level = 0; level < NR_SD_LEVELS; level++)
+
+extern struct sched_group_energy *sge_array[NR_CPUS][NR_SD_LEVELS];
+
+void init_sched_energy_costs(void);
+
+#endif