xnu-3789.1.32.tar.gz

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

diff --git a/osfmk/kern/machine.h b/osfmk/kern/machine.h
index 1d3e4108df6271e681812008a5bcde2022ba656d..18c48dd2b33c22402ecc752e813fe4b00010c4e9 100644 (file)
--- a/osfmk/kern/machine.h
+++ b/osfmk/kern/machine.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2008 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
@@ -46,7 +46,7 @@ extern void           processor_up(
 extern void            processor_offline(
                                        processor_t             processor);
 
-extern void            processor_start_thread(void);
+extern void            processor_start_thread(void *machine_param);
 
 /*
  * Must be implemented in machine dependent code.
@@ -90,9 +90,20 @@ 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 +118,33 @@ 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);
+
+extern void machine_thread_going_off_core(thread_t old_thread, boolean_t thread_terminating);
+
+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_ */