root/arch/powerpc/platforms/pseries/offline_states.h

INCLUDED FROM

DEFINITIONS

1. get_cpu_current_state
2. set_cpu_current_state
3. set_preferred_offline_state
4. set_default_offline_state

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _OFFLINE_STATES_H_
   3 #define _OFFLINE_STATES_H_
   4 
   5 /* Cpu offline states go here */
   6 enum cpu_state_vals {
   7         CPU_STATE_OFFLINE,
   8         CPU_STATE_INACTIVE,
   9         CPU_STATE_ONLINE,
  10         CPU_MAX_OFFLINE_STATES
  11 };
  12 
  13 #ifdef CONFIG_HOTPLUG_CPU
  14 extern enum cpu_state_vals get_cpu_current_state(int cpu);
  15 extern void set_cpu_current_state(int cpu, enum cpu_state_vals state);
  16 extern void set_preferred_offline_state(int cpu, enum cpu_state_vals state);
  17 extern void set_default_offline_state(int cpu);
  18 #else
  19 static inline enum cpu_state_vals get_cpu_current_state(int cpu)
  20 {
  21         return CPU_STATE_ONLINE;
  22 }
  23 
  24 static inline void set_cpu_current_state(int cpu, enum cpu_state_vals state)
  25 {
  26 }
  27 
  28 static inline void set_preferred_offline_state(int cpu, enum cpu_state_vals state)
  29 {
  30 }
  31 
  32 static inline void set_default_offline_state(int cpu)
  33 {
  34 }
  35 #endif
  36 
  37 extern enum cpu_state_vals get_preferred_offline_state(int cpu);
  38 #endif