1*4f1223e8SApple OSS Distributions /* 2*4f1223e8SApple OSS Distributions * Copyright (c) 2023 Apple Inc. All rights reserved. 3*4f1223e8SApple OSS Distributions * 4*4f1223e8SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5*4f1223e8SApple OSS Distributions * 6*4f1223e8SApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*4f1223e8SApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*4f1223e8SApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*4f1223e8SApple OSS Distributions * compliance with the License. The rights granted to you under the License 10*4f1223e8SApple OSS Distributions * may not be used to create, or enable the creation or redistribution of, 11*4f1223e8SApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to 12*4f1223e8SApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any 13*4f1223e8SApple OSS Distributions * terms of an Apple operating system software license agreement. 14*4f1223e8SApple OSS Distributions * 15*4f1223e8SApple OSS Distributions * Please obtain a copy of the License at 16*4f1223e8SApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file. 17*4f1223e8SApple OSS Distributions * 18*4f1223e8SApple OSS Distributions * The Original Code and all software distributed under the License are 19*4f1223e8SApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20*4f1223e8SApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21*4f1223e8SApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22*4f1223e8SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23*4f1223e8SApple OSS Distributions * Please see the License for the specific language governing rights and 24*4f1223e8SApple OSS Distributions * limitations under the License. 25*4f1223e8SApple OSS Distributions * 26*4f1223e8SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27*4f1223e8SApple OSS Distributions */ 28*4f1223e8SApple OSS Distributions 29*4f1223e8SApple OSS Distributions #ifndef _VM_COMPRESSOR_ALGORITHMS_INTERNAL_H_ 30*4f1223e8SApple OSS Distributions #define _VM_COMPRESSOR_ALGORITHMS_INTERNAL_H_ 31*4f1223e8SApple OSS Distributions 32*4f1223e8SApple OSS Distributions #ifdef XNU_KERNEL_PRIVATE 33*4f1223e8SApple OSS Distributions #include <vm/vm_compressor_algorithms_xnu.h> 34*4f1223e8SApple OSS Distributions 35*4f1223e8SApple OSS Distributions int metacompressor(const uint8_t *in, uint8_t *cdst, int32_t outbufsz, 36*4f1223e8SApple OSS Distributions uint16_t *codec, void *cscratch, boolean_t *, uint32_t *pop_count_p); 37*4f1223e8SApple OSS Distributions bool metadecompressor(const uint8_t *source, uint8_t *dest, uint32_t csize, 38*4f1223e8SApple OSS Distributions uint16_t ccodec, void *compressor_dscratch, uint32_t *pop_count_p); 39*4f1223e8SApple OSS Distributions 40*4f1223e8SApple OSS Distributions typedef enum { 41*4f1223e8SApple OSS Distributions CCWK = 0, // must be 0 or 1 42*4f1223e8SApple OSS Distributions CCLZ4 = 1, //must be 0 or 1 43*4f1223e8SApple OSS Distributions CINVALID = 0xFFFF 44*4f1223e8SApple OSS Distributions } vm_compressor_codec_t; 45*4f1223e8SApple OSS Distributions 46*4f1223e8SApple OSS Distributions typedef enum { 47*4f1223e8SApple OSS Distributions CMODE_WK = 0, 48*4f1223e8SApple OSS Distributions CMODE_LZ4 = 1, 49*4f1223e8SApple OSS Distributions CMODE_HYB = 2, 50*4f1223e8SApple OSS Distributions VM_COMPRESSOR_DEFAULT_CODEC = 3, 51*4f1223e8SApple OSS Distributions CMODE_INVALID = 4 52*4f1223e8SApple OSS Distributions } vm_compressor_mode_t; 53*4f1223e8SApple OSS Distributions 54*4f1223e8SApple OSS Distributions void vm_compressor_algorithm_init(void); 55*4f1223e8SApple OSS Distributions int vm_compressor_algorithm(void); 56*4f1223e8SApple OSS Distributions 57*4f1223e8SApple OSS Distributions #endif /* XNU_KERNEL_PRIVATE */ 58*4f1223e8SApple OSS Distributions #endif /* _VM_COMPRESSOR_ALGORITHMS_INTERNAL_H_ */ 59