/*
* 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@
*/
#ifdef XNU_KERNEL_PRIVATE
#ifndef _VM_VM_COMPRESSOR_PAGER_XNU_H_
#define _VM_VM_COMPRESSOR_PAGER_XNU_H_
#include <mach/mach_types.h>
#include <kern/kern_types.h>
#include <vm/vm_external.h>
__options_decl(vm_compressor_options_t, uint32_t, {
C_DONT_BLOCK = 0x00000001,
C_KEEP = 0x00000002,
C_KDP = 0x00000004,
C_PAGE_UNMODIFIED = 0x00000008,
C_KDP_MULTICPU = 0x00000020,
});
extern kern_return_t vm_compressor_pager_get(
memory_object_t mem_obj,
memory_object_offset_t offset,
ppnum_t ppnum,
int *my_fault_type,
vm_compressor_options_t flags,
int *compressed_count_delta_p);
#if CONFIG_TRACK_UNMODIFIED_ANON_PAGES
extern uint64_t compressor_ro_uncompressed;
extern uint64_t compressor_ro_uncompressed_total_returned;
extern uint64_t compressor_ro_uncompressed_skip_returned;
extern uint64_t compressor_ro_uncompressed_get;
extern uint64_t compressor_ro_uncompressed_put;
extern uint64_t compressor_ro_uncompressed_swap_usage;
#endif /* CONFIG_TRACK_UNMODIFIED_ANON_PAGES */
extern unsigned int vm_compressor_pager_get_count(memory_object_t mem_obj);
#endif /* _VM_VM_COMPRESSOR_PAGER_XNU_H_ */
#endif /* XNU_KERNEL_PRIVATE */