/*
* Copyright (c) 2021 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
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*
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
#ifndef __VM_RECLAIM_INTERNAL__
#define __VM_RECLAIM_INTERNAL__
#if CONFIG_DEFERRED_RECLAIM
#include <mach/mach_types.h>
#include <mach/vm_reclaim.h>
#include <sys/cdefs.h>
#include <vm/vm_reclaim_xnu.h>
#if MACH_KERNEL_PRIVATE
mach_error_t vm_deferred_reclamation_buffer_allocate_internal(
task_t task,
mach_vm_address_ut *address,
uint64_t *sampling_period,
mach_vm_reclaim_count_t len,
mach_vm_reclaim_count_t max_len);
kern_return_t vm_deferred_reclamation_buffer_flush_internal(
task_t task,
mach_vm_reclaim_count_t max_entries_to_reclaim,
mach_vm_size_t *bytes_reclaimed_out);
mach_error_t vm_deferred_reclamation_update_accounting_internal(
task_t task, uint64_t *bytes_reclaimed_out);
/*
* Resize the reclaim buffer for a given task
*/
kern_return_t vm_deferred_reclamation_buffer_resize_internal(
task_t task,
mach_vm_reclaim_count_t len,
mach_vm_size_t *bytes_reclaimed_out);
kern_return_t vm_deferred_reclamation_buffer_query_internal(
task_t task,
mach_vm_address_ut *addr_out_ut,
mach_vm_size_ut *size_out_ut);
void vm_deferred_reclamation_buffer_lock(vm_deferred_reclamation_metadata_t metadata);
void vm_deferred_reclamation_buffer_unlock(vm_deferred_reclamation_metadata_t metadata);
#if DEVELOPMENT || DEBUG
/*
* Testing helpers
*/
bool vm_deferred_reclamation_block_until_task_has_been_reclaimed(task_t task);
#endif /* DEVELOPMENT || DEBUG */
#endif /* MACH_KERNEL_PRIVATE */
#endif /* CONFIG_DEFERRED_RECLAIM */
#endif /*__VM_RECLAIM_INTERNAL__ */