blob: a9b0349dc018ce1e63828589666087788bbd9b51 [file] [log] [blame]
#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];
#ifdef CONFIG_GENERIC_ARCH_TOPOLOGY
void init_sched_energy_costs(void);
#else
void init_sched_energy_costs(void) {}
#endif
#endif