From 56b2686f0d5f5a74c033df0a68c930e428f9a262 Mon Sep 17 00:00:00 2001
From: Jaime Arteaga <jaime.a.arteaga.molina@intel.com>
Date: Sat, 20 Mar 2021 18:31:26 +0000
Subject: [PATCH] Add method to get internal copy engine

Related-To: LOCI-2010

Signed-off-by: Jaime Arteaga <jaime.a.arteaga.molina@intel.com>
---
 opencl/source/cl_device/cl_device.h                    |  1 +
 .../test/unit_test/gen12lp/hw_helper_tests_gen12lp.inl | 10 ++++++++++
 shared/source/device/device.h                          |  1 +
 shared/source/device/device_get_engine.cpp             |  5 +++++
 4 files changed, 17 insertions(+)

diff --git a/opencl/source/cl_device/cl_device.h b/opencl/source/cl_device/cl_device.h
index 1d1f49ceb2..946a9743ea 100644
--- a/opencl/source/cl_device/cl_device.h
+++ b/opencl/source/cl_device/cl_device.h
@@ -68,6 +68,7 @@ class ClDevice : public BaseObject<_cl_device_id> {
     EngineControl &getEngine(aub_stream::EngineType engineType, EngineUsage engineUsage);
     EngineControl &getDefaultEngine();
     EngineControl &getInternalEngine();
+    EngineControl *getInternalCopyEngine();
     std::atomic<uint32_t> &getSelectorCopyEngine();
     MemoryManager *getMemoryManager() const;
     GmmHelper *getGmmHelper() const;
diff --git a/opencl/test/unit_test/gen12lp/hw_helper_tests_gen12lp.inl b/opencl/test/unit_test/gen12lp/hw_helper_tests_gen12lp.inl
index d25a7133a0..f9173d6973 100644
--- a/opencl/test/unit_test/gen12lp/hw_helper_tests_gen12lp.inl
+++ b/opencl/test/unit_test/gen12lp/hw_helper_tests_gen12lp.inl
@@ -152,6 +152,16 @@ GEN12LPTEST_F(HwHelperTestGen12Lp, givenFtrCcsNodeNotSetWhenGetGpgpuEnginesThenR
     EXPECT_EQ(aub_stream::ENGINE_RCS, engines[2].first);
 }
 
+GEN12LPTEST_F(HwHelperTestGen12Lp,
+              whenCallingGetInternalCopyEngineThenNullptrIsReturned) {
+    HardwareInfo hwInfo = *defaultHwInfo;
+    hwInfo.featureTable.ftrBcsInfo = 1;
+    auto device = std::unique_ptr<MockDevice>(MockDevice::createWithNewExecutionEnvironment<MockDevice>(&hwInfo, 0));
+
+    auto internalCopyEngine = device->getInternalCopyEngine();
+    EXPECT_EQ(internalCopyEngine, nullptr);
+}
+
 GEN12LPTEST_F(HwHelperTestGen12Lp, givenEvenContextCountRequiredWhenGetGpgpuEnginesIsCalledThenInsertAdditionalEngineAtTheEndIfNeeded) {
     struct MockHwInfoConfig : HwInfoConfigHw<IGFX_UNKNOWN> {
         MockHwInfoConfig() {}
diff --git a/shared/source/device/device.h b/shared/source/device/device.h
index c6a2449679..586429ea75 100644
--- a/shared/source/device/device.h
+++ b/shared/source/device/device.h
@@ -57,6 +57,7 @@ class Device : public ReferenceTrackedObject<Device> {
     EngineControl &getEngine(uint32_t index);
     EngineControl &getDefaultEngine();
     EngineControl &getInternalEngine();
+    EngineControl *getInternalCopyEngine();
     std::atomic<uint32_t> &getSelectorCopyEngine();
     MemoryManager *getMemoryManager() const;
     GmmHelper *getGmmHelper() const;
diff --git a/shared/source/device/device_get_engine.cpp b/shared/source/device/device_get_engine.cpp
index f4dea03611..8ea345a461 100644
--- a/shared/source/device/device_get_engine.cpp
+++ b/shared/source/device/device_get_engine.cpp
@@ -20,4 +20,9 @@ EngineControl &Device::getInternalEngine() {
 
     return this->getDeviceById(0)->getEngine(engineType, EngineUsage::Internal);
 }
+
+EngineControl *Device::getInternalCopyEngine() {
+    return nullptr;
+}
+
 } // namespace NEO