chore: import upstream snapshot with attribution

plugin/embLayerNormPlugin/embLayerNormPlugin.h

@@ -0,0 +1,174 @@
+/*
+ * SPDX-FileCopyrightText: Copyright (c) 1993-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <cuda.h>
+#if CUDA_VERSION >= 10010
+
+#ifndef TRT_EMB_LAYER_NORM_PLUGIN_H
+#define TRT_EMB_LAYER_NORM_PLUGIN_H
+
+#include "NvInferPlugin.h"
+#include "NvInferRuntime.h"
+
+#include "common/bertCommon.h"
+#include <string>
+#include <vector>
+
+namespace nvinfer1
+{
+namespace plugin
+{
+namespace bert
+{
+
+int32_t computeMaskIdx(cudaStream_t stream, int32_t const S, int32_t const B, int32_t const* mask, int32_t* maskIdx);
+
+template <typename T>
+int32_t embSkipLayerNorm(cudaStream_t stream, int32_t ld, int32_t B, int32_t S, int32_t const* inputIds,
+    int32_t const* token_ids, float const* beta, float const* gamma, T const* wordEmb, T const* posEmb, T const* tokEmb,
+    int32_t const wordSize, int32_t const tokSize, T* output);
+
+cudaError_t convertMask(uint32_t const S, uint32_t const B, uint32_t const warps_m, uint32_t const warps_n,
+    uint32_t const warps_k, int32_t const* inputMaskSB, uint32_t* inputMaskX, cudaStream_t stream);
+
+class EmbLayerNormPluginDynamic : public IPluginV3,
+                                  public IPluginV3OneCore,
+                                  public IPluginV3OneBuild,
+                                  public IPluginV3OneRuntime
+{
+public:
+    EmbLayerNormPluginDynamic(std::string const& name, nvinfer1::DataType const type, nvinfer1::DataType const mhaType,
+        nvinfer1::Weights const& beta, nvinfer1::Weights const& gamma, nvinfer1::Weights const& word_emb,
+        nvinfer1::Weights const& pos_emb, nvinfer1::Weights const& tok_emb, bool const useFullMask);
+
+    // It doesn't make sense to make EmbLayerNormPluginDynamic without arguments, so we
+    // delete default constructor.
+    EmbLayerNormPluginDynamic() = delete;
+
+    ~EmbLayerNormPluginDynamic() override;
+
+    // IPluginV3 Methods
+    // NOTE: since this is itself is an abstract class, the rest of virtual methods defined in its children classes
+    IPluginCapability* getCapabilityInterface(PluginCapabilityType type) noexcept override;
+    // end of IPluginV3 Methods
+
+    // IPluginV3OneCore Methods
+    char const* getPluginName() const noexcept override;
+
+    char const* getPluginNamespace() const noexcept override;
+
+    void setPluginNamespace(char const* pluginNamespace) noexcept;
+
+    char const* getPluginVersion() const noexcept override;
+    // end of IPluginV3OneCore Methods
+
+    // IPluginV3Build Methods
+    bool supportsFormatCombination(
+        int32_t pos, DynamicPluginTensorDesc const* inOut, int32_t nbInputs, int32_t nbOutputs) noexcept override;
+
+    int32_t configurePlugin(DynamicPluginTensorDesc const* in, int32_t nbInputs, DynamicPluginTensorDesc const* out,
+        int32_t nbOutputs) noexcept override;
+
+    size_t getWorkspaceSize(DynamicPluginTensorDesc const* inputs, int32_t nbInputs,
+        DynamicPluginTensorDesc const* outputs, int32_t nbOutputs) const noexcept override;
+
+    int32_t getOutputDataTypes(
+        DataType* outputTypes, int32_t nbOutputs, DataType const* inputTypes, int32_t nbInputs) const noexcept override;
+
+    int32_t getNbOutputs() const noexcept override;
+
+    int32_t getOutputShapes(DimsExprs const* inputs, int32_t nbInputs, DimsExprs const* shapeInputs,
+        int32_t nbShapeInputs, DimsExprs* outputs, int32_t nbOutputs, IExprBuilder& exprBuilder) noexcept override;
+    // end IPluginV3Build Methods
+
+    // IPluginV3Runtime Methods
+    IPluginV3* clone() noexcept override;
+
+    int32_t onShapeChange(
+        PluginTensorDesc const* in, int32_t nbInputs, PluginTensorDesc const* out, int32_t nbOutputs) noexcept override;
+
+    int32_t enqueue(nvinfer1::PluginTensorDesc const* inputDesc, nvinfer1::PluginTensorDesc const* outputDesc,
+        void const* const* inputs, void* const* outputs, void* workspace, cudaStream_t stream) noexcept override;
+
+    IPluginV3* attachToContext(IPluginResourceContext* context) noexcept override;
+
+    PluginFieldCollection const* getFieldsToSerialize() noexcept override;
+    // end IPluginV3Runtime Methods
+
+private:
+    // metadata fields
+    std::string const mLayerName;
+    std::string mNamespace;
+
+    // device-side
+    bert::cuda_unique_ptr<float> mGammaDev;
+    bert::cuda_unique_ptr<float> mBetaDev;
+    bert::cuda_unique_ptr<void> mWordEmbDev;
+    bert::cuda_unique_ptr<void> mTokEmbDev;
+    bert::cuda_unique_ptr<void> mPosEmbDev;
+    size_t mLd; // leading dim = hidden size
+    size_t mS;  // sequence length
+    size_t mWordVocabSize;
+    size_t mPosVocabSize;
+    size_t mTokVocabSize;
+
+    // members that partcipate in ser/deserialization
+    bert::WeightsWithOwnership mBeta;
+    bert::WeightsWithOwnership mGamma;
+    bert::WeightsWithOwnership mWordEmb;
+    bert::WeightsWithOwnership mTokEmb;
+    bert::WeightsWithOwnership mPosEmb;
+    nvinfer1::DataType mType;
+    int32_t mOutputFp16;
+    int32_t mUseFullMask;
+    nvinfer1::DataType mMhaType;
+    int32_t mSM;
+
+    // IPluginV3 serialization related
+    std::vector<nvinfer1::PluginField> mDataToSerialize;
+    nvinfer1::PluginFieldCollection mFCToSerialize;
+};
+
+class EmbLayerNormPluginDynamicCreator : public nvinfer1::IPluginCreatorV3One
+{
+public:
+    EmbLayerNormPluginDynamicCreator();
+    ~EmbLayerNormPluginDynamicCreator() override = default;
+
+    char const* getPluginName() const noexcept override;
+
+    char const* getPluginVersion() const noexcept override;
+
+    nvinfer1::PluginFieldCollection const* getFieldNames() noexcept override;
+
+    IPluginV3* createPlugin(char const* name, PluginFieldCollection const* fc, TensorRTPhase phase) noexcept override;
+
+    void setPluginNamespace(char const* pluginNamespace) noexcept;
+
+    char const* getPluginNamespace() const noexcept override;
+
+private:
+    nvinfer1::PluginFieldCollection mFC;
+    std::vector<nvinfer1::PluginField> mPluginAttributes;
+    std::string mNamespace;
+};
+} // namespace bert
+} // namespace plugin
+} // namespace nvinfer1
+#endif // TRT_EMB_LAYER_NORM_PLUGIN_H
+
+#endif // CUDA_VERSION >= 10010