67 lines
2.7 KiB
C++
67 lines
2.7 KiB
C++
/*
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* Copyright (C) 2021-2022 Intel Corporation
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*
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* SPDX-License-Identifier: MIT
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*
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*/
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#include "shared/source/command_stream/linear_stream.h"
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#include "shared/source/helpers/l3_range.h"
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#include "shared/source/utilities/range.h"
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namespace NEO {
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struct HardwareInfo;
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template <typename GfxFamily>
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inline size_t getSizeNeededToFlushGpuCache(const Range<L3Range> &ranges, bool usePostSync) {
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size_t size = sizeof(typename GfxFamily::L3_CONTROL) * (ranges.size() / maxFlushSubrangeCount + 1);
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size += ranges.size() * sizeof(typename GfxFamily::L3_FLUSH_ADDRESS_RANGE);
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return size;
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}
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template <typename GfxFamily>
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inline size_t getSizeNeededForL3Control(const Range<L3Range> &ranges) {
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size_t size = sizeof(typename GfxFamily::L3_CONTROL);
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size += ranges.size() * sizeof(typename GfxFamily::L3_FLUSH_ADDRESS_RANGE);
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return size;
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}
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template <typename GfxFamily>
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void adjustL3ControlField(void *l3ControlBuffer);
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template <typename GfxFamily>
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inline void flushGpuCache(LinearStream *commandStream, const Range<L3Range> &ranges, uint64_t postSyncAddress, const HardwareInfo &hwInfo) {
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using L3_FLUSH_ADDRESS_RANGE = typename GfxFamily::L3_FLUSH_ADDRESS_RANGE;
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using L3_CONTROL = typename GfxFamily::L3_CONTROL;
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using L3_FLUSH_EVICTION_POLICY = typename GfxFamily::L3_FLUSH_ADDRESS_RANGE::L3_FLUSH_EVICTION_POLICY;
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auto l3Control = reinterpret_cast<L3_CONTROL *>(commandStream->getSpace(getSizeNeededForL3Control<GfxFamily>(ranges)));
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auto cmdL3Control = GfxFamily::cmdInitL3Control;
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uint32_t basel3ControlLength = 3;
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uint32_t sizeOfl3FlushAddressRangeInDwords = 2;
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uint32_t length = basel3ControlLength + static_cast<uint32_t>(ranges.size()) * sizeOfl3FlushAddressRangeInDwords;
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cmdL3Control.setLength(length);
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cmdL3Control.setHdcPipelineFlush(true);
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if (postSyncAddress != 0) {
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cmdL3Control.setPostSyncOperation(L3_CONTROL::POST_SYNC_OPERATION_WRITE_IMMEDIATE_DATA);
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cmdL3Control.getPostSyncData().setAddress(postSyncAddress);
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cmdL3Control.getPostSyncData().setImmediateData(0);
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}
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adjustL3ControlField<GfxFamily>(&cmdL3Control);
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*l3Control = cmdL3Control;
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l3Control++;
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L3_FLUSH_ADDRESS_RANGE *l3Ranges = reinterpret_cast<L3_FLUSH_ADDRESS_RANGE *>(l3Control);
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L3_FLUSH_ADDRESS_RANGE cmdFlushRange = {};
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for (const L3Range *it = &*ranges.begin(), *end = &*ranges.end(); it != end; ++it, l3Ranges++) {
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cmdFlushRange = GfxFamily::cmdInitL3FlushAddressRange;
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cmdFlushRange.setAddress(it->getMaskedAddress());
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cmdFlushRange.setAddressMask(it->getMask());
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cmdFlushRange.setL3FlushEvictionPolicy(static_cast<L3_FLUSH_EVICTION_POLICY>(it->getPolicy()));
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*l3Ranges = cmdFlushRange;
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}
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}
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} // namespace NEO
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