1*35ffd701SAndroid Build Coastguard Worker /*==============================================================================
2*35ffd701SAndroid Build Coastguard Worker Copyright(c) 2017 Intel Corporation
3*35ffd701SAndroid Build Coastguard Worker
4*35ffd701SAndroid Build Coastguard Worker Permission is hereby granted, free of charge, to any person obtaining a
5*35ffd701SAndroid Build Coastguard Worker copy of this software and associated documentation files(the "Software"),
6*35ffd701SAndroid Build Coastguard Worker to deal in the Software without restriction, including without limitation
7*35ffd701SAndroid Build Coastguard Worker the rights to use, copy, modify, merge, publish, distribute, sublicense,
8*35ffd701SAndroid Build Coastguard Worker and / or sell copies of the Software, and to permit persons to whom the
9*35ffd701SAndroid Build Coastguard Worker Software is furnished to do so, subject to the following conditions:
10*35ffd701SAndroid Build Coastguard Worker
11*35ffd701SAndroid Build Coastguard Worker The above copyright notice and this permission notice shall be included
12*35ffd701SAndroid Build Coastguard Worker in all copies or substantial portions of the Software.
13*35ffd701SAndroid Build Coastguard Worker
14*35ffd701SAndroid Build Coastguard Worker THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15*35ffd701SAndroid Build Coastguard Worker OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16*35ffd701SAndroid Build Coastguard Worker FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17*35ffd701SAndroid Build Coastguard Worker THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
18*35ffd701SAndroid Build Coastguard Worker OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19*35ffd701SAndroid Build Coastguard Worker ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20*35ffd701SAndroid Build Coastguard Worker OTHER DEALINGS IN THE SOFTWARE.
21*35ffd701SAndroid Build Coastguard Worker ============================================================================*/
22*35ffd701SAndroid Build Coastguard Worker
23*35ffd701SAndroid Build Coastguard Worker #include "GmmCachePolicyULT.h"
24*35ffd701SAndroid Build Coastguard Worker
25*35ffd701SAndroid Build Coastguard Worker using namespace std;
26*35ffd701SAndroid Build Coastguard Worker
27*35ffd701SAndroid Build Coastguard Worker /////////////////////////////////////////////////////////////////////////////////////
28*35ffd701SAndroid Build Coastguard Worker /// Sets up common environment for Cache Policy fixture tests. this is called once per
29*35ffd701SAndroid Build Coastguard Worker /// test case before executing all tests under resource fixture test case.
30*35ffd701SAndroid Build Coastguard Worker /// It also calls SetupTestCase from CommonULT to initialize global context and others.
31*35ffd701SAndroid Build Coastguard Worker ///
32*35ffd701SAndroid Build Coastguard Worker /////////////////////////////////////////////////////////////////////////////////////
SetUpTestCase()33*35ffd701SAndroid Build Coastguard Worker void CTestCachePolicy::SetUpTestCase()
34*35ffd701SAndroid Build Coastguard Worker {
35*35ffd701SAndroid Build Coastguard Worker GfxPlatform.eProductFamily = IGFX_BROADWELL;
36*35ffd701SAndroid Build Coastguard Worker GfxPlatform.eRenderCoreFamily = IGFX_GEN8_CORE;
37*35ffd701SAndroid Build Coastguard Worker AllocateAdapterInfo();
38*35ffd701SAndroid Build Coastguard Worker
39*35ffd701SAndroid Build Coastguard Worker pGfxAdapterInfo->SystemInfo.L3CacheSizeInKb = 768;
40*35ffd701SAndroid Build Coastguard Worker pGfxAdapterInfo->SystemInfo.LLCCacheSizeInKb = 2 * 1024; //2 MB
41*35ffd701SAndroid Build Coastguard Worker pGfxAdapterInfo->SystemInfo.EdramSizeInKb = 64 * 1024; //64 MB
42*35ffd701SAndroid Build Coastguard Worker const_cast<SKU_FEATURE_TABLE &>(pGfxAdapterInfo->SkuTable).FtrEDram = 1;
43*35ffd701SAndroid Build Coastguard Worker
44*35ffd701SAndroid Build Coastguard Worker CommonULT::SetUpTestCase();
45*35ffd701SAndroid Build Coastguard Worker
46*35ffd701SAndroid Build Coastguard Worker printf("%s\n", __FUNCTION__);
47*35ffd701SAndroid Build Coastguard Worker }
48*35ffd701SAndroid Build Coastguard Worker
49*35ffd701SAndroid Build Coastguard Worker /////////////////////////////////////////////////////////////////////////////////////
50*35ffd701SAndroid Build Coastguard Worker /// cleans up once all the tests finish execution. It also calls TearDownTestCase
51*35ffd701SAndroid Build Coastguard Worker /// from CommonULT to destroy global context and others.
52*35ffd701SAndroid Build Coastguard Worker ///
53*35ffd701SAndroid Build Coastguard Worker /////////////////////////////////////////////////////////////////////////////////////
TearDownTestCase()54*35ffd701SAndroid Build Coastguard Worker void CTestCachePolicy::TearDownTestCase()
55*35ffd701SAndroid Build Coastguard Worker {
56*35ffd701SAndroid Build Coastguard Worker printf("%s\n", __FUNCTION__);
57*35ffd701SAndroid Build Coastguard Worker
58*35ffd701SAndroid Build Coastguard Worker CommonULT::TearDownTestCase();
59*35ffd701SAndroid Build Coastguard Worker }
60*35ffd701SAndroid Build Coastguard Worker
CheckL3CachePolicy()61*35ffd701SAndroid Build Coastguard Worker void CTestCachePolicy::CheckL3CachePolicy()
62*35ffd701SAndroid Build Coastguard Worker {
63*35ffd701SAndroid Build Coastguard Worker const uint32_t TargetCache_L3_LLC_ELLC = 0x3;
64*35ffd701SAndroid Build Coastguard Worker
65*35ffd701SAndroid Build Coastguard Worker // Check Usage MOCS index against MOCS settings
66*35ffd701SAndroid Build Coastguard Worker for(uint32_t Usage = GMM_RESOURCE_USAGE_UNKNOWN; Usage < GMM_RESOURCE_USAGE_MAX; Usage++)
67*35ffd701SAndroid Build Coastguard Worker {
68*35ffd701SAndroid Build Coastguard Worker GMM_CACHE_POLICY_ELEMENT ClientRequest = pGmmULTClientContext->GetCachePolicyElement((GMM_RESOURCE_USAGE_TYPE)Usage);
69*35ffd701SAndroid Build Coastguard Worker MEMORY_OBJECT_CONTROL_STATE Mocs = ClientRequest.MemoryObjectOverride;
70*35ffd701SAndroid Build Coastguard Worker
71*35ffd701SAndroid Build Coastguard Worker // Not check WT/WB/UC since that doesn't really matter for L3
72*35ffd701SAndroid Build Coastguard Worker if(ClientRequest.L3)
73*35ffd701SAndroid Build Coastguard Worker {
74*35ffd701SAndroid Build Coastguard Worker EXPECT_EQ(TargetCache_L3_LLC_ELLC, Mocs.Gen8.TargetCache) << "Usage# " << Usage << ": Incorrect L3 target cache setting";
75*35ffd701SAndroid Build Coastguard Worker }
76*35ffd701SAndroid Build Coastguard Worker }
77*35ffd701SAndroid Build Coastguard Worker }
78*35ffd701SAndroid Build Coastguard Worker
79*35ffd701SAndroid Build Coastguard Worker
TEST_F(CTestCachePolicy,TestL3CachePolicy)80*35ffd701SAndroid Build Coastguard Worker TEST_F(CTestCachePolicy, TestL3CachePolicy)
81*35ffd701SAndroid Build Coastguard Worker {
82*35ffd701SAndroid Build Coastguard Worker CheckL3CachePolicy();
83*35ffd701SAndroid Build Coastguard Worker }
84*35ffd701SAndroid Build Coastguard Worker
85*35ffd701SAndroid Build Coastguard Worker
CheckLlcEdramCachePolicy()86*35ffd701SAndroid Build Coastguard Worker void CTestCachePolicy::CheckLlcEdramCachePolicy()
87*35ffd701SAndroid Build Coastguard Worker {
88*35ffd701SAndroid Build Coastguard Worker const uint32_t TargetCache_ELLC = 0;
89*35ffd701SAndroid Build Coastguard Worker const uint32_t TargetCache_LLC = 1;
90*35ffd701SAndroid Build Coastguard Worker const uint32_t TargetCache_LLC_ELLC = 2;
91*35ffd701SAndroid Build Coastguard Worker const uint32_t TargetCache_L3_LLC_ELLC = 2;
92*35ffd701SAndroid Build Coastguard Worker
93*35ffd701SAndroid Build Coastguard Worker const uint32_t CC_UNCACHED = 0x1;
94*35ffd701SAndroid Build Coastguard Worker const uint32_t CC_CACHED_WT = 0x2;
95*35ffd701SAndroid Build Coastguard Worker const uint32_t CC_CACHED_WB = 0x3;
96*35ffd701SAndroid Build Coastguard Worker
97*35ffd701SAndroid Build Coastguard Worker // Check Usage MOCS index against MOCS settings
98*35ffd701SAndroid Build Coastguard Worker for(uint32_t Usage = GMM_RESOURCE_USAGE_UNKNOWN; Usage < GMM_RESOURCE_USAGE_MAX; Usage++)
99*35ffd701SAndroid Build Coastguard Worker {
100*35ffd701SAndroid Build Coastguard Worker GMM_CACHE_POLICY_ELEMENT ClientRequest = pGmmULTClientContext->GetCachePolicyElement((GMM_RESOURCE_USAGE_TYPE)Usage);
101*35ffd701SAndroid Build Coastguard Worker MEMORY_OBJECT_CONTROL_STATE Mocs = ClientRequest.MemoryObjectOverride;
102*35ffd701SAndroid Build Coastguard Worker
103*35ffd701SAndroid Build Coastguard Worker // Check for age
104*35ffd701SAndroid Build Coastguard Worker EXPECT_EQ(ClientRequest.AGE, Mocs.Gen8.Age) << "Usage# " << Usage << ": Incorrect AGE settings";
105*35ffd701SAndroid Build Coastguard Worker
106*35ffd701SAndroid Build Coastguard Worker if(ClientRequest.L3)
107*35ffd701SAndroid Build Coastguard Worker {
108*35ffd701SAndroid Build Coastguard Worker continue;
109*35ffd701SAndroid Build Coastguard Worker }
110*35ffd701SAndroid Build Coastguard Worker
111*35ffd701SAndroid Build Coastguard Worker if(!ClientRequest.LLC && !ClientRequest.ELLC) // Uncached
112*35ffd701SAndroid Build Coastguard Worker {
113*35ffd701SAndroid Build Coastguard Worker EXPECT_EQ(CC_UNCACHED, Mocs.Gen8.CacheControl) << "Usage# " << Usage << ": Incorrect cache control setting";
114*35ffd701SAndroid Build Coastguard Worker }
115*35ffd701SAndroid Build Coastguard Worker else
116*35ffd701SAndroid Build Coastguard Worker {
117*35ffd701SAndroid Build Coastguard Worker if(ClientRequest.WT) // Write-through
118*35ffd701SAndroid Build Coastguard Worker {
119*35ffd701SAndroid Build Coastguard Worker EXPECT_EQ(CC_CACHED_WT, Mocs.Gen8.CacheControl) << "Usage# " << Usage << ": Incorrect cache control setting";
120*35ffd701SAndroid Build Coastguard Worker }
121*35ffd701SAndroid Build Coastguard Worker else // Write-back
122*35ffd701SAndroid Build Coastguard Worker {
123*35ffd701SAndroid Build Coastguard Worker EXPECT_EQ(CC_CACHED_WB, Mocs.Gen8.CacheControl) << "Usage# " << Usage << ": Incorrect cache control setting";
124*35ffd701SAndroid Build Coastguard Worker }
125*35ffd701SAndroid Build Coastguard Worker
126*35ffd701SAndroid Build Coastguard Worker if(ClientRequest.LLC && !ClientRequest.ELLC) // LLC only
127*35ffd701SAndroid Build Coastguard Worker {
128*35ffd701SAndroid Build Coastguard Worker EXPECT_EQ(TargetCache_LLC, Mocs.Gen8.TargetCache) << "Usage# " << Usage << ": Incorrect target cache setting";
129*35ffd701SAndroid Build Coastguard Worker }
130*35ffd701SAndroid Build Coastguard Worker else if(!ClientRequest.LLC && ClientRequest.ELLC) // eLLC only
131*35ffd701SAndroid Build Coastguard Worker {
132*35ffd701SAndroid Build Coastguard Worker EXPECT_EQ(TargetCache_ELLC, Mocs.Gen8.TargetCache) << "Usage# " << Usage << ": Incorrect target cache setting";
133*35ffd701SAndroid Build Coastguard Worker }
134*35ffd701SAndroid Build Coastguard Worker else if(ClientRequest.LLC && ClientRequest.ELLC)
135*35ffd701SAndroid Build Coastguard Worker {
136*35ffd701SAndroid Build Coastguard Worker EXPECT_EQ(TargetCache_LLC_ELLC, Mocs.Gen8.TargetCache) << "Usage# " << Usage << ": Incorrect target cache setting";
137*35ffd701SAndroid Build Coastguard Worker }
138*35ffd701SAndroid Build Coastguard Worker }
139*35ffd701SAndroid Build Coastguard Worker }
140*35ffd701SAndroid Build Coastguard Worker }
141*35ffd701SAndroid Build Coastguard Worker
TEST_F(CTestCachePolicy,TestLlcEdramCachePolicy)142*35ffd701SAndroid Build Coastguard Worker TEST_F(CTestCachePolicy, TestLlcEdramCachePolicy)
143*35ffd701SAndroid Build Coastguard Worker {
144*35ffd701SAndroid Build Coastguard Worker CheckLlcEdramCachePolicy();
145*35ffd701SAndroid Build Coastguard Worker }
146