xnu-6153.11.26.tar.gz

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

diff --git a/osfmk/kern/machine.h b/osfmk/kern/machine.h
index 4ad3e6931d2bb5691247825a2f599d71eca77641..2c285e5c43281c71b18e0a08e37e47db5120fa61 100644 (file)
--- a/osfmk/kern/machine.h
+++ b/osfmk/kern/machine.h
@@ -1,17 +1,20 @@
 /*
 /*

- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2008 Apple Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@

  *
  *

- * @APPLE_LICENSE_HEADER_START@
- * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
- * 

  * 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
  * 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. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- * 
+ * 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,
  * 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,


@@ -19,64 +22,147 @@
  * 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.
  * 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_HEADER_END@
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@

  */
 /*
  * @OSF_COPYRIGHT@
  */
 
  */
 /*
  * @OSF_COPYRIGHT@
  */
 

-#ifndef        _KERN_MACHINE_H_
-#define        _KERN_MACHINE_H_
+#ifndef _KERN_MACHINE_H_
+#define _KERN_MACHINE_H_

 
 

-#include <cpus.h>

 #include <mach/kern_return.h>
 #include <mach/processor_info.h>
 #include <kern/kern_types.h>
 #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>
+
+#include <kern/sched_urgency.h>

 
 /*
  * Machine support declarations.
  */
 
 
 /*
  * Machine support declarations.
  */
 

-extern thread_t                machine_wake_thread;
-
-extern void            processor_action(void);
+extern void processor_up(
+       processor_t processor);

 
 

-extern void            cpu_down(
-                                       int                     cpu);
-
-extern void            cpu_up(
-                                       int                     cpu);
+extern void processor_start_thread(void *machine_param,
+    wait_result_t result);

 
 /*
  * Must be implemented in machine dependent code.
  */
 
 /* Initialize machine dependent ast code */
 
 /*
  * Must be implemented in machine dependent code.
  */
 
 /* Initialize machine dependent ast code */

-extern void            init_ast_check(
-                                       processor_t             processor);
+extern void init_ast_check(
+       processor_t         processor);

 
 /* Cause check for ast */
 
 /* Cause check for ast */

-extern void            cause_ast_check(
-                                       processor_t             processor);
+extern void cause_ast_check(
+       processor_t         processor);
+
+extern kern_return_t cpu_control(
+       int                 slot_num,
+       processor_info_t    info,
+       unsigned int        count);
+
+extern void     cpu_sleep(void);
+
+extern kern_return_t cpu_start(
+       int                 slot_num);
+
+extern void cpu_exit_wait(
+       int                 slot_num);
+
+extern boolean_t cpu_can_exit(
+       int                 slot_num);
+
+extern kern_return_t cpu_info(
+       processor_flavor_t  flavor,
+       int                 slot_num,
+       processor_info_t    info,
+       unsigned int        *count);
+
+extern kern_return_t cpu_info_count(
+       processor_flavor_t  flavor,
+       unsigned int        *count);
+
+extern thread_t         machine_processor_shutdown(
+       thread_t            thread,
+       void                (*doshutdown)(processor_t),
+       processor_t         processor);
+
+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(
+       boolean_t           reboot);
+
+extern char *machine_boot_info(
+       char                *buf,
+       vm_size_t           buf_len);
+
+/*
+ * Machine-dependent routine to fill in an array with up to callstack_max
+ * levels of return pc information.
+ */
+extern void machine_callstack(
+       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,
+    thread_urgency_t    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, boolean_t thread_runnable);
+
+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 kern_return_t   cpu_start(
-                                               int                     slot_num);
+extern void machine_perfcontrol_deadline_passed(uint64_t deadline);

 
 

-extern kern_return_t   cpu_control(
-                                               int                                     slot_num,
-                                               processor_info_t        info,
-                                               unsigned int            count);
+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 thread_t                switch_to_shutdown_context(
-                                       thread_t                thread,
-                                       void                    (*doshutdown)(processor_t),
-                                       processor_t             processor);
+extern void machine_switch_perfcontrol_state_update(perfcontrol_event event,
+    uint64_t timestamp,
+    uint32_t flags,
+    thread_t thread);

 
 

-extern kern_return_t cpu_signal(                               /* Signal the target CPU */
-                                       int target, 
-                                       int signal, 
-                                       unsigned int p1, 
-                                       unsigned int p2);

 
 

-#endif /* _KERN_MACHINE_H_ */
+#endif  /* _KERN_MACHINE_H_ */