Prepare to use gmm dynamic lib on Linux

Change-Id: Ie1b0c8fe13c4e044f1f2b0651349840d2850f423

unit_tests/main.cpp

@@ -417,6 +417,8 @@ int main(int argc, char **argv) {
     }
 #else
     SetUnhandledExceptionFilter(&UltExceptionFilter);
+#endif
+#ifdef GMM_LIB_DLL
     if (!useMockGmm) {
         Os::gmmDllName = GMM_UMD_DLL;
         Os::gmmEntryName = GMM_ENTRY_NAME;
@@ -425,7 +427,6 @@ int main(int argc, char **argv) {
     }
     std::unique_ptr<OsLibrary> gmmLib(OsLibrary::load(Os::gmmDllName));
 #endif
-
     initializeTestHelpers();
 
     retVal = RUN_ALL_TESTS();

unit_tests/mock_gmm/mock_gmm.cpp

@@ -29,12 +29,21 @@ void GMM_STDCALL deleteClientContext(GMM_CLIENT_CONTEXT *pGmmClientContext) {
 }
 void GMM_STDCALL destroySingletonContext(void) {
 }
+#ifdef _WIN32
 GMM_STATUS GMM_STDCALL createSingletonContext(const PLATFORM Platform,
                                               const SKU_FEATURE_TABLE *pSkuTable,
                                               const WA_TABLE *pWaTable,
                                               const GT_SYSTEM_INFO *pGtSysInfo) {
     return GMM_SUCCESS;
 }
+#else
+GMM_STATUS GMM_STDCALL createSingletonContext(const PLATFORM Platform,
+                                              const void *pSkuTable,
+                                              const void *pWaTable,
+                                              const void *pGtSysInfo) {
+    return GMM_SUCCESS;
+}
+#endif
 #ifdef __cplusplus
 extern "C" {
 #endif

unit_tests/os_interface/linux/options.cpp

@@ -34,6 +34,8 @@ const char *frontEndDllName = "libmock_igdfcl.so";
 const char *igcDllName = "libmock_igc.so";
 const char *libvaDllName = nullptr;
 const char *testDllName = "libtest_dynamic_lib.so";
+const char *gmmDllName = "libmock_gmm.so";
+const char *gmmEntryName = "openMockGmm";
 #endif
 const char *sysFsPciPath = "./test_files";
 } // namespace Os