xnu-4903.221.2.tar.gz

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

diff --git a/osfmk/kern/machine.h b/osfmk/kern/machine.h
index 106a9b41d792370324509feb34c273b4fc3e9d82..a4d4cbcdb28e7a9e7bb0f23109984e85dda02abe 100644 (file)
--- a/osfmk/kern/machine.h
+++ b/osfmk/kern/machine.h
@@ -35,6 +35,10 @@
 #include <mach/kern_return.h>
 #include <mach/processor_info.h>
 #include <kern/kern_types.h>
+#include <kern/thread_group.h>
+
+#include <kern/work_interval.h>
+
 
 /*
  * Machine support declarations.
@@ -90,9 +94,20 @@ extern thread_t              machine_processor_shutdown(
 
 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(
@@ -107,9 +122,44 @@ 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        same_pri_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, struct kern_work_interval_args* kwi_args);
+
+
+extern void machine_perfcontrol_deadline_passed(uint64_t deadline);
+
+extern void machine_switch_perfcontrol_context(perfcontrol_event event,
+                                              uint64_t timestamp,
+                                              uint32_t flags,
+                                              uint64_t new_thread_same_pri_latency,
+                                              thread_t old,
+                                              thread_t new);
+
+extern void machine_switch_perfcontrol_state_update(perfcontrol_event event,
+                                                   uint64_t timestamp,
+                                                   uint32_t flags,
+                                                   thread_t thread);
+
+
 #endif /* _KERN_MACHINE_H_ */