X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/8ad349bb6ed4a0be06e34c92be0d98b92e078db4..b226f5e54a60dc81db17b1260381d7dbfea3cdf1:/osfmk/kern/machine.h

diff --git a/osfmk/kern/machine.h b/osfmk/kern/machine.h
index 61acf29f8..a4d4cbcdb 100644
--- a/osfmk/kern/machine.h
+++ b/osfmk/kern/machine.h
@@ -1,31 +1,29 @@
 /*
- * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2008 Apple Inc. All rights reserved.
  *
- * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
- * This file contains Original Code and/or Modifications of Original Code 
- * as defined in and that are subject to the Apple Public Source License 
- * Version 2.0 (the 'License'). You may not use this file except in 
- * compliance with the License.  The rights granted to you under the 
- * License may not be used to create, or enable the creation or 
- * redistribution of, unlawful or unlicensed copies of an Apple operating 
- * system, or to circumvent, violate, or enable the circumvention or 
- * violation of, any terms of an Apple operating system software license 
- * agreement.
- *
- * Please obtain a copy of the License at 
- * http://www.opensource.apple.com/apsl/ and read it before using this 
- * file.
- *
- * The Original Code and all software distributed under the License are 
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
- * Please see the License for the specific language governing rights and 
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ * 
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
  * limitations under the License.
- *
- * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
+ * 
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*
  * @OSF_COPYRIGHT@
@@ -37,6 +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.
@@ -48,7 +50,7 @@ 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.
@@ -92,9 +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(
@@ -109,9 +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_ */