Linux 3.6-rc2

[mirror_ubuntu-bionic-kernel.git] / include / linux / cpuidle.h

diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h
index 89dcd30ac8ea81144fe5e44d00e0c473e01331f8..040b13b5c14a5bdc500f82855123e7940fda6f6f 100644 (file)
--- a/include/linux/cpuidle.h
+++ b/include/linux/cpuidle.h
@@ -58,6 +58,7 @@ struct cpuidle_state {
 
 /* Idle State Flags */
 #define CPUIDLE_FLAG_TIME_VALID        (0x01) /* is residency time measurable? */
+#define CPUIDLE_FLAG_COUPLED   (0x02) /* state applies to multiple cpus */
 
 #define CPUIDLE_DRIVER_FLAGS_MASK (0xFFFF0000)
 
@@ -101,6 +102,12 @@ struct cpuidle_device {
        struct list_head        device_list;
        struct kobject          kobj;
        struct completion       kobj_unregister;
+
+#ifdef CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED
+       int                     safe_state_index;
+       cpumask_t               coupled_cpus;
+       struct cpuidle_coupled  *coupled;
+#endif
 };
 
 DECLARE_PER_CPU(struct cpuidle_device *, cpuidle_devices);
@@ -185,6 +192,10 @@ static inline int cpuidle_play_dead(void) {return -ENODEV; }
 
 #endif
 
+#ifdef CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED
+void cpuidle_coupled_parallel_barrier(struct cpuidle_device *dev, atomic_t *a);
+#endif
+
 /******************************
  * CPUIDLE GOVERNOR INTERFACE *
  ******************************/