| /*============================================================================== |
| Copyright(c) 2017 Intel Corporation |
| |
| Permission is hereby granted, free of charge, to any person obtaining a |
| copy of this software and associated documentation files(the "Software"), |
| to deal in the Software without restriction, including without limitation |
| the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| and / or sell copies of the Software, and to permit persons to whom the |
| Software is furnished to do so, subject to the following conditions: |
| |
| The above copyright notice and this permission notice shall be included |
| in all copies or substantial portions of the Software. |
| |
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| OTHER DEALINGS IN THE SOFTWARE. |
| ============================================================================*/ |
| |
| #include "GmmCachePolicyULT.h" |
| |
| using namespace std; |
| |
| ///////////////////////////////////////////////////////////////////////////////////// |
| /// Sets up common environment for Cache Policy fixture tests. this is called once per |
| /// test case before executing all tests under resource fixture test case. |
| /// It also calls SetupTestCase from CommonULT to initialize global context and others. |
| /// |
| ///////////////////////////////////////////////////////////////////////////////////// |
| void CTestCachePolicy::SetUpTestCase() |
| { |
| GfxPlatform.eProductFamily = IGFX_BROADWELL; |
| GfxPlatform.eRenderCoreFamily = IGFX_GEN8_CORE; |
| AllocateAdapterInfo(); |
| |
| pGfxAdapterInfo->SystemInfo.L3CacheSizeInKb = 768; |
| pGfxAdapterInfo->SystemInfo.LLCCacheSizeInKb = 2 * 1024; //2 MB |
| pGfxAdapterInfo->SystemInfo.EdramSizeInKb = 64 * 1024; //64 MB |
| const_cast<SKU_FEATURE_TABLE &>(pGfxAdapterInfo->SkuTable).FtrEDram = 1; |
| |
| CommonULT::SetUpTestCase(); |
| |
| printf("%s\n", __FUNCTION__); |
| } |
| |
| ///////////////////////////////////////////////////////////////////////////////////// |
| /// cleans up once all the tests finish execution. It also calls TearDownTestCase |
| /// from CommonULT to destroy global context and others. |
| /// |
| ///////////////////////////////////////////////////////////////////////////////////// |
| void CTestCachePolicy::TearDownTestCase() |
| { |
| printf("%s\n", __FUNCTION__); |
| |
| CommonULT::TearDownTestCase(); |
| } |
| |
| void CTestCachePolicy::CheckL3CachePolicy() |
| { |
| const uint32_t TargetCache_L3_LLC_ELLC = 0x3; |
| |
| // Check Usage MOCS index against MOCS settings |
| for(uint32_t Usage = GMM_RESOURCE_USAGE_UNKNOWN; Usage < GMM_RESOURCE_USAGE_MAX; Usage++) |
| { |
| GMM_CACHE_POLICY_ELEMENT ClientRequest = pGmmULTClientContext->GetCachePolicyElement((GMM_RESOURCE_USAGE_TYPE)Usage); |
| MEMORY_OBJECT_CONTROL_STATE Mocs = ClientRequest.MemoryObjectOverride; |
| |
| // Not check WT/WB/UC since that doesn't really matter for L3 |
| if(ClientRequest.L3) |
| { |
| EXPECT_EQ(TargetCache_L3_LLC_ELLC, Mocs.Gen8.TargetCache) << "Usage# " << Usage << ": Incorrect L3 target cache setting"; |
| } |
| } |
| } |
| |
| |
| TEST_F(CTestCachePolicy, TestL3CachePolicy) |
| { |
| CheckL3CachePolicy(); |
| } |
| |
| |
| void CTestCachePolicy::CheckLlcEdramCachePolicy() |
| { |
| const uint32_t TargetCache_ELLC = 0; |
| const uint32_t TargetCache_LLC = 1; |
| const uint32_t TargetCache_LLC_ELLC = 2; |
| const uint32_t TargetCache_L3_LLC_ELLC = 2; |
| |
| const uint32_t CC_UNCACHED = 0x1; |
| const uint32_t CC_CACHED_WT = 0x2; |
| const uint32_t CC_CACHED_WB = 0x3; |
| |
| // Check Usage MOCS index against MOCS settings |
| for(uint32_t Usage = GMM_RESOURCE_USAGE_UNKNOWN; Usage < GMM_RESOURCE_USAGE_MAX; Usage++) |
| { |
| GMM_CACHE_POLICY_ELEMENT ClientRequest = pGmmULTClientContext->GetCachePolicyElement((GMM_RESOURCE_USAGE_TYPE)Usage); |
| MEMORY_OBJECT_CONTROL_STATE Mocs = ClientRequest.MemoryObjectOverride; |
| |
| // Check for age |
| EXPECT_EQ(ClientRequest.AGE, Mocs.Gen8.Age) << "Usage# " << Usage << ": Incorrect AGE settings"; |
| |
| if(ClientRequest.L3) |
| { |
| continue; |
| } |
| |
| if(!ClientRequest.LLC && !ClientRequest.ELLC) // Uncached |
| { |
| EXPECT_EQ(CC_UNCACHED, Mocs.Gen8.CacheControl) << "Usage# " << Usage << ": Incorrect cache control setting"; |
| } |
| else |
| { |
| if(ClientRequest.WT) // Write-through |
| { |
| EXPECT_EQ(CC_CACHED_WT, Mocs.Gen8.CacheControl) << "Usage# " << Usage << ": Incorrect cache control setting"; |
| } |
| else // Write-back |
| { |
| EXPECT_EQ(CC_CACHED_WB, Mocs.Gen8.CacheControl) << "Usage# " << Usage << ": Incorrect cache control setting"; |
| } |
| |
| if(ClientRequest.LLC && !ClientRequest.ELLC) // LLC only |
| { |
| EXPECT_EQ(TargetCache_LLC, Mocs.Gen8.TargetCache) << "Usage# " << Usage << ": Incorrect target cache setting"; |
| } |
| else if(!ClientRequest.LLC && ClientRequest.ELLC) // eLLC only |
| { |
| EXPECT_EQ(TargetCache_ELLC, Mocs.Gen8.TargetCache) << "Usage# " << Usage << ": Incorrect target cache setting"; |
| } |
| else if(ClientRequest.LLC && ClientRequest.ELLC) |
| { |
| EXPECT_EQ(TargetCache_LLC_ELLC, Mocs.Gen8.TargetCache) << "Usage# " << Usage << ": Incorrect target cache setting"; |
| } |
| } |
| } |
| } |
| |
| TEST_F(CTestCachePolicy, TestLlcEdramCachePolicy) |
| { |
| CheckLlcEdramCachePolicy(); |
| } |