mirror of https://github.com/intel/gmmlib.git
71 lines
3.0 KiB
C
71 lines
3.0 KiB
C
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/*==============================================================================
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Copyright(c) 2017 Intel Corporation
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files(the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and / or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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============================================================================*/
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#pragma once
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#ifdef __cplusplus
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#include "../GmmCachePolicyCommon.h"
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namespace GmmLib
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{
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class NON_PAGED_SECTION GmmGen8CachePolicy :
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public GmmCachePolicyCommon
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{
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protected:
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/* Function prototypes */
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GMM_PRIVATE_PAT GetPrivatePATEntry(uint32_t PATIdx);
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BOOLEAN SetPrivatePATEntry(uint32_t PATIdx, GMM_PRIVATE_PAT Entry);
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BOOLEAN SelectNewPATIdx(GMM_GFX_MEMORY_TYPE WantedMT, GMM_GFX_TARGET_CACHE WantedTC,
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GMM_GFX_MEMORY_TYPE MT1, GMM_GFX_TARGET_CACHE TC1,
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GMM_GFX_MEMORY_TYPE MT2, GMM_GFX_TARGET_CACHE TC2);
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BOOLEAN GetUsagePTEValue(GMM_CACHE_POLICY_ELEMENT CachePolicy,
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uint32_t Usage,
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uint32_t *pPTEDwordValue);
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/* Virtual function prototypes */
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virtual uint32_t BestMatchingPATIdx(GMM_CACHE_POLICY_ELEMENT CachePolicy);
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public:
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/* Constructors */
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GmmGen8CachePolicy(GMM_CACHE_POLICY_ELEMENT *pCachePolicy) :GmmCachePolicyCommon(pCachePolicy)
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{
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#if(defined(__GMM_KMD__))
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//if (GFX_IS_SKU(pGmmGlobalContext, FtrIA32eGfxPTEs))
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{
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// Set the WA's needed for Private PAT initialization
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SetPATInitWA();
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SetupPAT();
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}
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#endif
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}
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~GmmGen8CachePolicy()
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{
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}
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/* Function prototypes */
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GMM_STATUS InitCachePolicy();
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GMM_STATUS SetPATInitWA();
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GMM_STATUS SetupPAT();
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BOOLEAN GMM_STDCALL CachePolicyIsUsagePTECached(GMM_RESOURCE_USAGE_TYPE Usage);
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};
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}
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#endif // #ifdef __cplusplus
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