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Change-Id: I4bf1707bd3dfeadf2c17b0a7daff372b1925ebbd

runtime/command_stream/command_stream_receiver.cpp

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+/*
+ * Copyright (c) 2017, Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "runtime/command_stream/command_stream_receiver.h"
+#include "runtime/memory_manager/memory_manager.h"
+#include "runtime/helpers/cache_policy.h"
+#include "runtime/os_interface/os_interface.h"
+#include "runtime/event/event.h"
+#include "runtime/event/event_builder.h"
+
+namespace OCLRT {
+// Global table of CommandStreamReceiver factories for HW and tests
+CommandStreamReceiverCreateFunc commandStreamReceiverFactory[2 * IGFX_MAX_CORE] = {};
+
+CommandStreamReceiver::CommandStreamReceiver() {
+    latestSentStatelessMocsConfig = CacheSettings::unknownMocs;
+    submissionAggregator.reset(new SubmissionAggregator());
+    if (DebugManager.flags.CsrDispatchMode.get()) {
+        this->dispatchMode = (DispatchMode)DebugManager.flags.CsrDispatchMode.get();
+    }
+    flushStamp.reset(new FlushStampTracker(true));
+}
+
+CommandStreamReceiver::~CommandStreamReceiver() {
+    cleanupResources();
+}
+
+void CommandStreamReceiver::makeResident(GraphicsAllocation &gfxAllocation) {
+    auto submissionTaskCount = this->taskCount + 1;
+    if (gfxAllocation.residencyTaskCount < (int)submissionTaskCount) {
+        getMemoryManager()->pushAllocationForResidency(&gfxAllocation);
+        gfxAllocation.taskCount = submissionTaskCount;
+        if (gfxAllocation.residencyTaskCount == ObjectNotResident) {
+            this->totalMemoryUsed += gfxAllocation.getUnderlyingBufferSize();
+        }
+    }
+    gfxAllocation.residencyTaskCount = submissionTaskCount;
+}
+
+void CommandStreamReceiver::processEviction() {
+    getMemoryManager()->clearEvictionAllocations();
+}
+
+void CommandStreamReceiver::makeNonResident(GraphicsAllocation &gfxAllocation) {
+    if (gfxAllocation.residencyTaskCount != ObjectNotResident) {
+        makeCoherent(gfxAllocation.getUnderlyingBuffer(), gfxAllocation.getUnderlyingBufferSize());
+        getMemoryManager()->pushAllocationForEviction(&gfxAllocation);
+    }
+
+    gfxAllocation.residencyTaskCount = ObjectNotResident;
+}
+
+void CommandStreamReceiver::makeSurfacePackNonResident() {
+    auto &surfacesForResidency = getMemoryManager()->getResidencyAllocations();
+    for (auto &surface : surfacesForResidency) {
+        this->makeNonResident(*surface);
+    }
+    getMemoryManager()->clearResidencyAllocations();
+    this->processEviction();
+}
+
+GraphicsAllocation *CommandStreamReceiver::createAllocationAndHandleResidency(const void *address, size_t size, bool addToDefferedDeleteList) {
+    GraphicsAllocation *graphicsAllocation = getMemoryManager()->allocateGraphicsMemory(size, address);
+    makeResident(*graphicsAllocation);
+    if (addToDefferedDeleteList) {
+        getMemoryManager()->storeAllocation(std::unique_ptr<GraphicsAllocation>(graphicsAllocation), TEMPORARY_ALLOCATION);
+    }
+    if (!graphicsAllocation->isL3Capable()) {
+        disableL3Cache = true;
+    }
+
+    return graphicsAllocation;
+}
+
+void CommandStreamReceiver::cleanAllocationList(uint32_t requiredTaskCount, uint32_t allocationType) {
+
+    auto address = getTagAddress();
+    if (address && requiredTaskCount != (unsigned int)-1) {
+        while (*address < requiredTaskCount)
+            ;
+    }
+
+    getMemoryManager()->cleanAllocationList(requiredTaskCount, allocationType);
+}
+
+MemoryManager *CommandStreamReceiver::getMemoryManager() {
+    return memoryManager;
+}
+
+void CommandStreamReceiver::setMemoryManager(MemoryManager *mm) {
+    memoryManager = mm;
+}
+
+LinearStream &CommandStreamReceiver::getCS(size_t minRequiredSize) {
+    auto memoryManager = this->getMemoryManager();
+    DEBUG_BREAK_IF(nullptr == memoryManager);
+
+    if (commandStream.getAvailableSpace() < minRequiredSize) {
+        // Make sure we have enough room for a MI_BATCH_BUFFER_END and any padding.
+        // Currently reserving 64bytes (cacheline) which should be more than enough.
+        static const size_t sizeForSubmission = MemoryConstants::cacheLineSize;
+        minRequiredSize += sizeForSubmission;
+        // If not, allocate a new block. allocate full pages
+        minRequiredSize = alignUp(minRequiredSize, MemoryConstants::pageSize);
+
+        auto requiredSize = minRequiredSize + CSRequirements::csOverfetchSize;
+
+        auto allocation = memoryManager->obtainReusableAllocation(requiredSize).release();
+        if (!allocation) {
+            allocation = memoryManager->allocateGraphicsMemory(requiredSize, MemoryConstants::pageSize);
+        }
+
+        //pass current allocation to reusable list
+        if (commandStream.getBase()) {
+            memoryManager->storeAllocation(std::unique_ptr<GraphicsAllocation>(commandStream.getGraphicsAllocation()), REUSABLE_ALLOCATION);
+        }
+
+        commandStream.replaceBuffer(allocation->getUnderlyingBuffer(), minRequiredSize - sizeForSubmission);
+        commandStream.replaceGraphicsAllocation(allocation);
+    }
+
+    return commandStream;
+}
+
+void CommandStreamReceiver::cleanupResources() {
+    auto memoryManager = this->getMemoryManager();
+    if (!memoryManager)
+        return;
+
+    if (scratchAllocation) {
+        memoryManager->freeGraphicsMemory(scratchAllocation);
+        scratchAllocation = nullptr;
+    }
+
+    if (preemptionCsrAllocation) {
+        memoryManager->freeGraphicsMemory(preemptionCsrAllocation);
+    }
+
+    cleanAllocationList(-1, TEMPORARY_ALLOCATION);
+    cleanAllocationList(-1, REUSABLE_ALLOCATION);
+
+    if (commandStream.getBase()) {
+        memoryManager->freeGraphicsMemory(commandStream.getGraphicsAllocation());
+        commandStream.replaceGraphicsAllocation(nullptr);
+        commandStream.replaceBuffer(nullptr, 0);
+    }
+}
+
+bool CommandStreamReceiver::waitForCompletionWithTimeout(bool enableTimeout, int64_t timeoutMs, uint32_t taskCountToWait) {
+    std::chrono::high_resolution_clock::time_point time1, time2;
+    int64_t timeDiff = 0;
+
+    uint32_t latestSentTaskCount = this->latestFlushedTaskCount;
+    if (latestSentTaskCount < taskCountToWait) {
+        this->flushBatchedSubmissions();
+    }
+
+    time1 = std::chrono::high_resolution_clock::now();
+    while (*getTagAddress() < taskCountToWait && timeDiff <= timeoutMs) {
+        if (enableTimeout) {
+            time2 = std::chrono::high_resolution_clock::now();
+            timeDiff = std::chrono::duration_cast<std::chrono::milliseconds>(time2 - time1).count();
+        }
+    }
+    if (*getTagAddress() >= taskCountToWait) {
+        return true;
+    }
+    return false;
+}
+
+void CommandStreamReceiver::setTagAllocation(GraphicsAllocation *allocation) {
+    this->tagAllocation = allocation;
+    this->tagAddress = reinterpret_cast<uint32_t *>(allocation->getUnderlyingBuffer());
+}
+
+void CommandStreamReceiver::setRequiredScratchSize(uint32_t newRequiredScratchSize) {
+    if (newRequiredScratchSize > requiredScratchSize) {
+        requiredScratchSize = newRequiredScratchSize;
+    }
+}
+} // namespace OCLRT