Refactor parts of createDeviceImpl.

- Move portions of code to dedicated methods.

Change-Id: I9abec23785f3f3201dce42a7a840ca4a450c4cc1

runtime/command_stream/command_stream_receiver.cpp

@@ -348,4 +348,14 @@ void CommandStreamReceiver::setExperimentalCmdBuffer(std::unique_ptr<Experimenta
     experimentalCmdBuffer = std::move(cmdBuffer);
 }
 
+bool CommandStreamReceiver::initializeTagAllocation() {
+    auto tagAllocation = memoryManager->allocateGraphicsMemory(sizeof(uint32_t));
+    if (!tagAllocation) {
+        return false;
+    }
+
+    this->setTagAllocation(tagAllocation);
+    return true;
+}
+
 } // namespace OCLRT

runtime/command_stream/command_stream_receiver.h

@@ -21,16 +21,16 @@
  */
 
 #pragma once
+#include "runtime/command_stream/csr_definitions.h"
 #include "runtime/command_stream/linear_stream.h"
-#include "runtime/command_stream/thread_arbitration_policy.h"
 #include "runtime/command_stream/submissions_aggregator.h"
-#include "runtime/helpers/completion_stamp.h"
-#include "runtime/helpers/aligned_memory.h"
+#include "runtime/command_stream/thread_arbitration_policy.h"
 #include "runtime/helpers/address_patch.h"
+#include "runtime/helpers/aligned_memory.h"
+#include "runtime/helpers/completion_stamp.h"
+#include "runtime/helpers/flat_batch_buffer_helper.h"
 #include "runtime/helpers/options.h"
 #include "runtime/indirect_heap/indirect_heap.h"
-#include "runtime/helpers/flat_batch_buffer_helper.h"
-#include "runtime/command_stream/csr_definitions.h"
 #include <cstddef>
 #include <cstdint>
 
@@ -142,6 +142,8 @@ class CommandStreamReceiver {
     virtual enum CommandStreamReceiverType getType() = 0;
     void setExperimentalCmdBuffer(std::unique_ptr<ExperimentalCommandBuffer> &&cmdBuffer);
 
+    bool initializeTagAllocation();
+
   protected:
     void setDisableL3Cache(bool val) {
         disableL3Cache = val;

runtime/device/device.cpp

@@ -20,6 +20,7 @@
  * OTHER DEALINGS IN THE SOFTWARE.
  */
 
+#include "runtime/device/device.h"
 #include "hw_cmds.h"
 #include "runtime/built_ins/built_ins.h"
 #include "runtime/built_ins/sip.h"
@@ -28,7 +29,6 @@
 #include "runtime/command_stream/experimental_command_buffer.h"
 #include "runtime/command_stream/preemption.h"
 #include "runtime/compiler_interface/compiler_interface.h"
-#include "runtime/device/device.h"
 #include "runtime/device/device_vector.h"
 #include "runtime/device/driver_info.h"
 #include "runtime/execution_environment/execution_environment.h"
@@ -128,41 +128,30 @@ Device::~Device() {
 }
 
 bool Device::createDeviceImpl(const HardwareInfo *pHwInfo, Device &outDevice) {
-    outDevice.executionEnvironment->initGmm(pHwInfo);
-    CommandStreamReceiver *commandStreamReceiver = createCommandStream(pHwInfo);
-    if (!commandStreamReceiver) {
+    auto executionEnvironment = outDevice.executionEnvironment;
+    executionEnvironment->initGmm(pHwInfo);
+    if (!executionEnvironment->initializeCommandStreamReceiver(pHwInfo)) {
         return false;
     }
 
-    outDevice.executionEnvironment->commandStreamReceiver.reset(commandStreamReceiver);
+    executionEnvironment->initializeMemoryManager(outDevice.executionEnvironment->memoryManager.get(), outDevice.getEnabled64kbPages());
 
-    if (!outDevice.executionEnvironment->memoryManager) {
-        outDevice.executionEnvironment->memoryManager.reset(commandStreamReceiver->createMemoryManager(outDevice.getEnabled64kbPages()));
-    } else {
-        commandStreamReceiver->setMemoryManager(outDevice.executionEnvironment->memoryManager.get());
-    }
-
-    DEBUG_BREAK_IF(nullptr == outDevice.executionEnvironment->memoryManager);
-
-    outDevice.executionEnvironment->memoryManager->csr = commandStreamReceiver;
-
-    auto pTagAllocation = outDevice.executionEnvironment->memoryManager->allocateGraphicsMemory(sizeof(uint32_t));
-    if (!pTagAllocation) {
+    CommandStreamReceiver *commandStreamReceiver = executionEnvironment->commandStreamReceiver.get();
+    if (!commandStreamReceiver->initializeTagAllocation()) {
         return false;
     }
-    auto pTagMemory = reinterpret_cast<uint32_t *>(pTagAllocation->getUnderlyingBuffer());
-    // Initialize HW tag to a known value
-    *pTagMemory = DebugManager.flags.EnableNullHardware.get() ? -1 : initialHardwareTag;
 
-    commandStreamReceiver->setTagAllocation(pTagAllocation);
+    executionEnvironment->memoryManager->csr = commandStreamReceiver;
 
     auto pDevice = &outDevice;
-
     if (!pDevice->osTime) {
         pDevice->osTime = OSTime::create(commandStreamReceiver->getOSInterface());
     }
     pDevice->driverInfo.reset(DriverInfo::create(commandStreamReceiver->getOSInterface()));
-    pDevice->tagAddress = pTagMemory;
+    pDevice->tagAddress = reinterpret_cast<uint32_t *>(commandStreamReceiver->getTagAllocation()->getUnderlyingBuffer());
+
+    // Initialize HW tag to a known value
+    *pDevice->tagAddress = DebugManager.flags.EnableNullHardware.get() ? -1 : initialHardwareTag;
 
     pDevice->initializeCaps();
 

runtime/execution_environment/execution_environment.cpp

@@ -20,16 +20,36 @@
 * OTHER DEALINGS IN THE SOFTWARE.
 */
 
-#include "runtime/command_stream/command_stream_receiver.h"
 #include "runtime/execution_environment/execution_environment.h"
-#include "runtime/memory_manager/memory_manager.h"
+#include "runtime/command_stream/command_stream_receiver.h"
 #include "runtime/gmm_helper/gmm_helper.h"
+#include "runtime/memory_manager/memory_manager.h"
 #include "runtime/os_interface/device_factory.h"
 
 namespace OCLRT {
 ExecutionEnvironment::ExecutionEnvironment() = default;
 ExecutionEnvironment::~ExecutionEnvironment() = default;
+extern CommandStreamReceiver *createCommandStream(const HardwareInfo *pHwInfo);
+
 void ExecutionEnvironment::initGmm(const HardwareInfo *hwInfo) {
     gmmHelper.reset(new GmmHelper(hwInfo));
 }
+bool ExecutionEnvironment::initializeCommandStreamReceiver(const HardwareInfo *pHwInfo) {
+    CommandStreamReceiver *commandStreamReceiver = createCommandStream(pHwInfo);
+    if (!commandStreamReceiver) {
+        return false;
+    }
+    this->commandStreamReceiver.reset(commandStreamReceiver);
+    return true;
+}
+void ExecutionEnvironment::initializeMemoryManager(MemoryManager *externalMemoryManager, bool enable64KBpages) {
+    if (!externalMemoryManager) {
+        memoryManager.reset(commandStreamReceiver->createMemoryManager(enable64KBpages));
+        commandStreamReceiver->setMemoryManager(memoryManager.get());
+    } else {
+        commandStreamReceiver->setMemoryManager(externalMemoryManager);
+    }
+    DEBUG_BREAK_IF(!this->memoryManager);
+}
+
 } // namespace OCLRT

runtime/execution_environment/execution_environment.h

@@ -39,6 +39,8 @@ class ExecutionEnvironment : public ReferenceTrackedObject<ExecutionEnvironment>
     ExecutionEnvironment();
     ~ExecutionEnvironment() override;
     void initGmm(const HardwareInfo *hwInfo);
+    bool initializeCommandStreamReceiver(const HardwareInfo *pHwInfo);
+    void initializeMemoryManager(MemoryManager *externalMemoryManager, bool enable64KBpages);
     std::unique_ptr<MemoryManager> memoryManager;
     std::unique_ptr<CommandStreamReceiver> commandStreamReceiver;
 };