Graceful Shutdown types

typedef enum _PRL_GRACEFUL_SHUTDOWN_KIND {
  PST_VM_SHUTDOWN = 0,
  PST_VM_REBOOT = 1,
  PST_VM_HIBERNATE = 2,
  PST_VM_SUSPEND = 3,
  PST_VM_LOGOUT = 4
} PRL_GRACEFUL_SHUTDOWN_KIND;