sched: Introduce energy data structures

[firefly-linux-kernel-4.4.55.git] / include / linux / sched.h

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 145c34cb106e196295749ced04f048cee583fb6a..5749286f7b660a934a4ca23b8845da1111bc4a8e 100644 (file)
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1023,6 +1023,22 @@ struct sched_domain_attr {
 
 extern int sched_domain_level_max;
 
+struct capacity_state {
+       unsigned long cap;      /* compute capacity */
+       unsigned long power;    /* power consumption at this compute capacity */
+};
+
+struct idle_state {
+       unsigned long power;     /* power consumption in this idle state */
+};
+
+struct sched_group_energy {
+       unsigned int nr_idle_states;    /* number of idle states */
+       struct idle_state *idle_states; /* ptr to idle state array */
+       unsigned int nr_cap_states;     /* number of capacity states */
+       struct capacity_state *cap_states; /* ptr to capacity state array */
+};
+
 struct sched_group;
 
 struct sched_domain {
@@ -1121,6 +1137,8 @@ bool cpus_share_cache(int this_cpu, int that_cpu);
 
 typedef const struct cpumask *(*sched_domain_mask_f)(int cpu);
 typedef int (*sched_domain_flags_f)(void);
+typedef
+const struct sched_group_energy * const(*sched_domain_energy_f)(int cpu);
 
 #define SDTL_OVERLAP   0x01
 
@@ -1133,6 +1151,7 @@ struct sd_data {
 struct sched_domain_topology_level {
        sched_domain_mask_f mask;
        sched_domain_flags_f sd_flags;
+       sched_domain_energy_f energy;
        int                 flags;
        int                 numa_level;
        struct sd_data      data;