/*
* Copyright (c) 2013 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
* 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_OSREFERENCE_LICENSE_HEADER_END@
*/
#ifndef _KERN_SFI_H_
#define _KERN_SFI_H_
#include <stdint.h>
#include <mach/mach_types.h>
#include <mach/kern_return.h>
#include <mach/sfi_class.h>
#include <kern/ast.h>
#include <kern/kern_types.h>
#include <kern/ledger.h>
extern void sfi_init(void);
extern sfi_class_id_t sfi_get_ledger_alias_for_class(sfi_class_id_t class_id);
extern int sfi_ledger_entry_add(ledger_template_t template, sfi_class_id_t class_id);
kern_return_t sfi_set_window(uint64_t window_usecs);
kern_return_t sfi_window_cancel(void);
kern_return_t sfi_get_window(uint64_t *window_usecs);
kern_return_t sfi_set_class_offtime(sfi_class_id_t class_id, uint64_t offtime_usecs);
kern_return_t sfi_class_offtime_cancel(sfi_class_id_t class_id);
kern_return_t sfi_get_class_offtime(sfi_class_id_t class_id, uint64_t *offtime_usecs);
#ifdef MACH_KERNEL_PRIVATE
/*
* Classifying a thread requires no special locks to be held (although attribute
* changes that cause an inconsistent snapshot may cause a spurious AST). Final
* evaluation will happen at the AST boundary with the thread locked. If possible,
*
*/
sfi_class_id_t sfi_thread_classify(thread_t thread);
sfi_class_id_t sfi_processor_active_thread_classify(processor_t processor);
ast_t sfi_thread_needs_ast(thread_t thread, sfi_class_id_t *out_class /* optional */);
ast_t sfi_processor_needs_ast(processor_t processor);
void sfi_ast(thread_t thread);
void sfi_reevaluate(thread_t thread);
kern_return_t sfi_defer(uint64_t);
#endif /* MACH_KERNEL_PRIVATE */
#endif /* _KERN_SFI_H_ */