Add EngineInfo for Linux.

Related-To: NEO-3008

Change-Id: Ib9e1a241a5b47aad5e4f83443a3e85db826d13ff
Signed-off-by: Piotr Fusik <piotr.fusik@intel.com>

runtime/os_interface/linux/CMakeLists.txt

@@ -34,6 +34,7 @@ set(RUNTIME_SRCS_OS_INTERFACE_LINUX
   ${CMAKE_CURRENT_SOURCE_DIR}/drm_neo_create.cpp
   ${CMAKE_CURRENT_SOURCE_DIR}${BRANCH_DIR_SUFFIX}/drm_query.cpp
   ${CMAKE_CURRENT_SOURCE_DIR}/drm_null_device.h
+  ${CMAKE_CURRENT_SOURCE_DIR}/engine_info.h
   ${CMAKE_CURRENT_SOURCE_DIR}/hw_info_config.cpp
   ${CMAKE_CURRENT_SOURCE_DIR}/linux_inc.cpp
   ${CMAKE_CURRENT_SOURCE_DIR}/memory_info.h

runtime/os_interface/linux/drm_neo.h

@@ -6,6 +6,7 @@
  */
 
 #pragma once
+#include "runtime/os_interface/linux/engine_info.h"
 #include "runtime/os_interface/linux/memory_info.h"
 #include "runtime/utilities/api_intercept.h"
 
@@ -80,10 +81,11 @@ class Drm {
     bool useSimplifiedMocsTable = false;
     bool preemptionSupported = false;
     int fd;
-    int deviceId;
-    int revisionId;
-    GTTYPE eGtType;
-    Drm(int fd) : fd(fd), deviceId(0), revisionId(0), eGtType(GTTYPE_UNDEFINED) {}
+    int deviceId = 0;
+    int revisionId = 0;
+    GTTYPE eGtType = GTTYPE_UNDEFINED;
+    Drm(int fd) : fd(fd) {}
+    std::unique_ptr<EngineInfo> engineInfo;
     std::unique_ptr<MemoryInfo> memoryInfo;
 
     static bool isi915Version(int fd);

runtime/os_interface/linux/engine_info.h

@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) 2019 Intel Corporation
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ */
+
+#pragma once
+
+namespace NEO {
+
+struct EngineInfo {
+    EngineInfo() = default;
+    virtual ~EngineInfo() = 0;
+};
+
+inline EngineInfo::~EngineInfo() {}
+
+} // namespace NEO

unit_tests/os_interface/linux/drm_engine_info_tests.cpp

@@ -26,3 +26,10 @@ TEST(DrmTest, whenQueryingEngineInfoThenNoIoctlIsCalled) {
     drm->queryEngineInfo();
     EXPECT_EQ(0u, drm->ioctlCallsCount);
 }
+
+TEST(EngineInfoTest, givenEngineInfoImplementationWhenDestructingThenDestructorIsCalled) {
+    struct EngineInfoImpl : EngineInfo {
+        ~EngineInfoImpl() override = default;
+    };
+    EngineInfoImpl engineInfo;
+}