X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/2d21ac55c334faf3a56e5634905ed6987fc787d4..f427ee49d309d8fc33ebf3042c3a775f2f530ded:/osfmk/kern/machine.h diff --git a/osfmk/kern/machine.h b/osfmk/kern/machine.h index 1d3e4108d..724cf19cc 100644 --- a/osfmk/kern/machine.h +++ b/osfmk/kern/machine.h @@ -1,8 +1,8 @@ /* - * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2008 Apple Inc. All rights reserved. * * @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 @@ -11,10 +11,10 @@ * 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, @@ -22,31 +22,34 @@ * 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_OSREFERENCE_LICENSE_HEADER_END@ */ /* * @OSF_COPYRIGHT@ */ -#ifndef _KERN_MACHINE_H_ -#define _KERN_MACHINE_H_ +#ifndef _KERN_MACHINE_H_ +#define _KERN_MACHINE_H_ #include #include #include +#include + +#include + +#include /* * Machine support declarations. */ -extern void processor_up( - processor_t processor); +extern void processor_up( + processor_t processor); -extern void processor_offline( - processor_t processor); - -extern void processor_start_thread(void); +extern void processor_start_thread(void *machine_param, + wait_result_t result); /* * Must be implemented in machine dependent code. @@ -54,62 +57,119 @@ extern void processor_start_thread(void); /* Initialize machine dependent ast code */ extern void init_ast_check( - processor_t processor); + processor_t processor); /* Cause check for ast */ extern void cause_ast_check( - processor_t processor); + processor_t processor); extern kern_return_t cpu_control( - int slot_num, - processor_info_t info, - unsigned int count); + int slot_num, + processor_info_t info, + unsigned int count); -extern void cpu_sleep(void); +extern void cpu_sleep(void); extern kern_return_t cpu_start( - int slot_num); + int slot_num); extern void cpu_exit_wait( - int slot_num); + 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); + 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); + processor_flavor_t flavor, + unsigned int *count); -extern thread_t machine_processor_shutdown( - thread_t thread, - void (*doshutdown)(processor_t), - processor_t processor); +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); + 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); + boolean_t reboot); extern char *machine_boot_info( - char *buf, - vm_size_t buf_len); + 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( - natural_t *buf, - vm_size_t callstack_max); + uintptr_t *buf, + vm_size_t callstack_max); extern void consider_machine_collect(void); -#endif /* _KERN_MACHINE_H_ */ +/* + * 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 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); + +#if CONFIG_THREAD_GROUPS +extern void machine_thread_group_init(struct thread_group *tg); +extern void machine_thread_group_deinit(struct thread_group *tg); +extern void machine_thread_group_flags_update(struct thread_group *tg, uint32_t flags); +extern void machine_thread_group_blocked(struct thread_group *tg_blocked, struct thread_group *tg_blocking, uint32_t flags, thread_t blocked_thread); +extern void machine_thread_group_unblocked(struct thread_group *tg_unblocked, struct thread_group *tg_unblocking, uint32_t flags, thread_t unblocked_thread); +#endif + +#endif /* _KERN_MACHINE_H_ */