1 /*==============================================================================
2 Copyright(c) 2017 Intel Corporation
3
4 Permission is hereby granted, free of charge, to any person obtaining a
5 copy of this software and associated documentation files(the "Software"),
6 to deal in the Software without restriction, including without limitation
7 the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 and / or sell copies of the Software, and to permit persons to whom the
9 Software is furnished to do so, subject to the following conditions:
10
11 The above copyright notice and this permission notice shall be included
12 in all copies or substantial portions of the Software.
13
14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 OTHER DEALINGS IN THE SOFTWARE.
21 ============================================================================*/
22
23 #include "GmmGen11CachePolicyULT.h"
24
25 using namespace std;
26
27 /////////////////////////////////////////////////////////////////////////////////////
28 /// Sets up common environment for Cache Policy fixture tests. this is called once per
29 /// test case before executing all tests under resource fixture test case.
30 /// It also calls SetupTestCase from CommonULT to initialize global context and others.
31 ///
32 /////////////////////////////////////////////////////////////////////////////////////
SetUpTestCase()33 void CTestGen11CachePolicy::SetUpTestCase()
34 {
35 GfxPlatform.eProductFamily = IGFX_ICELAKE;
36 GfxPlatform.eRenderCoreFamily = IGFX_GEN11_CORE;
37 AllocateAdapterInfo();
38
39 pGfxAdapterInfo->SystemInfo.L3CacheSizeInKb = 3072;
40 pGfxAdapterInfo->SystemInfo.LLCCacheSizeInKb = 2 * 1024; //2 MB
41 pGfxAdapterInfo->SystemInfo.EdramSizeInKb = 128 * 1024; //128 MB
42 const_cast<SKU_FEATURE_TABLE &>(pGfxAdapterInfo->SkuTable).FtrEDram = 1;
43
44 CommonULT::SetUpTestCase();
45
46 printf("%s\n", __FUNCTION__);
47 }
48
49 /////////////////////////////////////////////////////////////////////////////////////
50 /// cleans up once all the tests finish execution. It also calls TearDownTestCase
51 /// from CommonULT to destroy global context and others.
52 ///
53 /////////////////////////////////////////////////////////////////////////////////////
TearDownTestCase()54 void CTestGen11CachePolicy::TearDownTestCase()
55 {
56 printf("%s\n", __FUNCTION__);
57
58 CommonULT::TearDownTestCase();
59 }
60
CheckL3CachePolicy()61 void CTestGen11CachePolicy::CheckL3CachePolicy()
62 {
63 const uint32_t L3_WB_CACHEABLE = 0x3;
64 const uint32_t L3_UNCACHEABLE = 0x1;
65
66 // Check Usage MOCS index against MOCS settings
67 for(uint32_t Usage = GMM_RESOURCE_USAGE_UNKNOWN; Usage < GMM_RESOURCE_USAGE_MAX; Usage++)
68 {
69 GMM_CACHE_POLICY_ELEMENT ClientRequest = pGmmULTClientContext->GetCachePolicyElement((GMM_RESOURCE_USAGE_TYPE)Usage);
70 uint32_t AssignedMocsIdx = ClientRequest.MemoryObjectOverride.Gen11.Index;
71 GMM_CACHE_POLICY_TBL_ELEMENT Mocs = pGmmULTClientContext->GetCachePolicyTlbElement(AssignedMocsIdx);
72
73 EXPECT_EQ(0, Mocs.L3.ESC) << "Usage# " << Usage << ": ESC is non-zero";
74 EXPECT_EQ(0, Mocs.L3.SCC) << "Usage# " << Usage << ": SCC is non-zero";
75 EXPECT_EQ(0, Mocs.L3.Reserved) << "Usage# " << Usage << ": Reserved field is non-zero";
76
77 // Check if Mocs Index is not greater than GMM_GEN9_MAX_NUMBER_MOCS_INDEXES
78 EXPECT_GT(GMM_MAX_NUMBER_MOCS_INDEXES, AssignedMocsIdx) << "Usage# " << Usage << ": MOCS Index greater than MAX allowed (62)";
79
80 // Check of assigned Index setting is appropriate for HDCL1 setting
81 if(ClientRequest.HDCL1)
82 {
83 EXPECT_GE(AssignedMocsIdx, GMM_GEN10_HDCL1_MOCS_INDEX_START) << "Usage# " << Usage << ": Incorrect Index for HDCL1 setting";
84 }
85 else
86 {
87 if(Usage == GMM_RESOURCE_USAGE_MOCS_62)
88 {
89 EXPECT_EQ(AssignedMocsIdx, 62) << "Usage# " << Usage << ": Incorrect Index for MOCS62 usage";
90 }
91 else if(Usage == GMM_RESOURCE_USAGE_L3_EVICTION)
92 {
93 EXPECT_EQ(AssignedMocsIdx, 63) << "Usage# " << Usage << ": Incorrect Index for MOCS63 usage";
94 }
95 else
96 {
97 EXPECT_LT(AssignedMocsIdx, GMM_GEN10_HDCL1_MOCS_INDEX_START) << "Usage# " << Usage << ": Incorrect Index for HDCL1 setting";
98 }
99 }
100
101 if(ClientRequest.L3)
102 {
103 EXPECT_EQ(L3_WB_CACHEABLE, Mocs.L3.Cacheability) << "Usage# " << Usage << ": Incorrect L3 cachebility setting";
104 }
105 else
106 {
107 EXPECT_EQ(L3_UNCACHEABLE, Mocs.L3.Cacheability) << "Usage# " << Usage << ": Incorrect L3 cachebility setting";
108 }
109 }
110 }
111
112
TEST_F(CTestGen11CachePolicy,TestL3CachePolicy)113 TEST_F(CTestGen11CachePolicy, TestL3CachePolicy)
114 {
115 CheckL3CachePolicy();
116 }
117
118
CheckLlcEdramCachePolicy()119 void CTestGen11CachePolicy::CheckLlcEdramCachePolicy()
120 {
121 const uint32_t TargetCache_LLC = 1;
122
123 const uint32_t LeCC_UNCACHEABLE = 0x1;
124 const uint32_t LeCC_WB_CACHEABLE = 0x3;
125 const uint32_t LeCC_WT_CACHEABLE = 0x2;
126
127 // Check Usage MOCS index against MOCS settings
128 for(uint32_t Usage = GMM_RESOURCE_USAGE_UNKNOWN; Usage < GMM_RESOURCE_USAGE_MAX; Usage++)
129 {
130 GMM_CACHE_POLICY_ELEMENT ClientRequest = pGmmULTClientContext->GetCachePolicyElement((GMM_RESOURCE_USAGE_TYPE)Usage);
131 uint32_t AssignedMocsIdx = ClientRequest.MemoryObjectOverride.Gen11.Index;
132 GMM_CACHE_POLICY_TBL_ELEMENT Mocs = pGmmULTClientContext->GetCachePolicyTlbElement(AssignedMocsIdx);
133
134 // Check for unused fields
135 EXPECT_EQ(0, Mocs.LeCC.AOM) << "Usage# " << Usage << ": AOM is non-zero";
136 EXPECT_EQ(0, Mocs.LeCC.CoS) << "Usage# " << Usage << ": CoS is non-zero";
137 EXPECT_EQ(0, Mocs.LeCC.PFM) << "Usage# " << Usage << ": PFM is non-zero";
138 EXPECT_EQ(0, Mocs.LeCC.SCC) << "Usage# " << Usage << ": SCC is non-zero";
139 EXPECT_EQ(0, Mocs.LeCC.SCF) << "Usage# " << Usage << ": SCF is non-zero";
140 EXPECT_EQ(0, Mocs.LeCC.ESC) << "Usage# " << Usage << ": ESC is non-zero";
141 EXPECT_EQ(0, Mocs.LeCC.Reserved) << "Usage# " << Usage << ": Reserved field is non-zero";
142
143 // Check for age
144 EXPECT_EQ(ClientRequest.AGE, Mocs.LeCC.LRUM) << "Usage# " << Usage << ": Incorrect AGE settings";
145
146 // Check for Snoop Setting
147 EXPECT_EQ(ClientRequest.SSO, Mocs.LeCC.SelfSnoop) << "Usage# " << Usage << ": Self Snoop is non-zero";
148
149 // Check if Mocs Index is not greater than GMM_GEN9_MAX_NUMBER_MOCS_INDEXES
150 EXPECT_GT(GMM_MAX_NUMBER_MOCS_INDEXES, AssignedMocsIdx) << "Usage# " << Usage << ": MOCS Index greater than MAX allowed (62)";
151
152 // Check of assigned Index setting is appropriate for HDCL1 setting
153 if(ClientRequest.HDCL1)
154 {
155 EXPECT_GE(AssignedMocsIdx, GMM_GEN10_HDCL1_MOCS_INDEX_START) << "Usage# " << Usage << ": Incorrect Index for HDCL1 setting";
156 }
157 else
158 {
159 if(Usage == GMM_RESOURCE_USAGE_MOCS_62)
160 {
161 EXPECT_EQ(AssignedMocsIdx, 62) << "Usage# " << Usage << ": Incorrect Index for MOCS62 usage";
162 }
163 else if(Usage == GMM_RESOURCE_USAGE_L3_EVICTION)
164 {
165 EXPECT_EQ(AssignedMocsIdx, 63) << "Usage# " << Usage << ": Incorrect Index for MOCS63 usage";
166 }
167 else
168 {
169 EXPECT_LT(AssignedMocsIdx, GMM_GEN10_HDCL1_MOCS_INDEX_START) << "Usage# " << Usage << ": Incorrect Index for HDCL1 setting";
170 }
171 }
172
173 if(ClientRequest.LLC) // LLC only
174 {
175 EXPECT_EQ(TargetCache_LLC, Mocs.LeCC.TargetCache) << "Usage# " << Usage << ": Incorrect target cache setting";
176
177 EXPECT_EQ(LeCC_WB_CACHEABLE, Mocs.LeCC.Cacheability) << "Usage# " << Usage << ": Incorrect LLC/eDRAM cachebility setting";
178 }
179 else
180 {
181 EXPECT_EQ(LeCC_UNCACHEABLE, Mocs.LeCC.Cacheability) << "Usage# " << Usage << ": Incorrect LLC cachebility setting";
182 }
183 }
184 }
185
TEST_F(CTestGen11CachePolicy,TestLlcEdramCachePolicy)186 TEST_F(CTestGen11CachePolicy, TestLlcEdramCachePolicy)
187 {
188 CheckLlcEdramCachePolicy();
189 }
190