xnu-3789.51.2.tar.gz

[apple/xnu.git] / osfmk / kern / machine.h

diff --git a/osfmk/kern/machine.h b/osfmk/kern/machine.h
index 6d46f2c6e38939da46f88775e4f16eb221d3ea4b..37d69bf887d8e926b52a441b825a7932d9d3bc44 100644 (file)
--- a/osfmk/kern/machine.h
+++ b/osfmk/kern/machine.h
@@ -92,9 +92,18 @@ extern void machine_idle(void);
 
 extern void machine_track_platform_idle(boolean_t);
 
+/* Signals a processor to bring it out of idle */
 extern void machine_signal_idle(
                                        processor_t         processor);
 
+/* Signals a processor to bring it out of idle unless canceled */
+extern void machine_signal_idle_deferred(
+                                       processor_t         processor);
+
+/* Cancels an outstanding machine_signal_idle_deferred, if this is supported */
+extern void machine_signal_idle_cancel(
+                                       processor_t         processor);
+
 extern void halt_cpu(void);
 
 extern void halt_all_cpus(
@@ -109,9 +118,34 @@ extern char *machine_boot_info(
  * levels of return pc information.
  */
 extern void machine_callstack(
-                                       natural_t           *buf,
+                                       uintptr_t           *buf,
                                        vm_size_t           callstack_max);
 
 extern void consider_machine_collect(void);
 
+/*
+ * Machine-dependent routine to inform platform layer and external
+ * CPU power management about context switches
+ */
+
+extern void    machine_thread_going_on_core(thread_t   new_thread,
+                                       int             urgency,
+                                       uint64_t        sched_latency,
+                                       uint64_t        dispatch_time);
+
+extern void machine_thread_going_off_core(thread_t old_thread, boolean_t thread_terminating, uint64_t last_dispatch);
+
+extern void machine_max_runnable_latency(uint64_t bg_max_latency,
+                                                                                uint64_t default_max_latency,
+                                                                                uint64_t realtime_max_latency);
+
+extern void machine_work_interval_notify(thread_t thread,
+                                                                                uint64_t work_id,
+                                                                                uint64_t start_abstime,
+                                                                                uint64_t finish_abstime,
+                                                                                uint64_t deadline_abstime,
+                                                                                uint64_t next_start_abstime,
+                                                                                uint16_t urgency,
+                                                                                uint32_t flags);
+
 #endif /* _KERN_MACHINE_H_ */