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/*
 * Copyright (c) 2019-2023, NVIDIA CORPORATION.  All rights reserved.
 *
 * 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.
 */

#pragma once
#include "src/fastertransformer/kernels/gen_relative_pos_bias.h"
#include "src/fastertransformer/utils/cuda_utils.h"
#include <cuda_fp16.h>
#include <cuda_runtime.h>
#ifdef ENABLE_FP8
#include "src/fastertransformer/utils/cuda_fp8_utils.h"
#endif  // ENABLE_FP8

namespace fastertransformer {

void invokeGetPaddingOffsetAndCuSeqLens(size_t*      h_pinned_token_num,
                                        size_t*      h_token_num,
                                        int*         tmp_mask_offset,
                                        int*         cu_seqlens,
                                        const int*   sequence_length,
                                        const int    batch_size,
                                        const int    max_seq_len,
                                        cudaStream_t stream);

inline void invokeGetPaddingOffset(size_t*      h_pinned_token_num,
                                   size_t*      h_token_num,
                                   int*         tmp_mask_offset,
                                   const int*   sequence_length,
                                   const int    batch_size,
                                   const int    max_seq_len,
                                   cudaStream_t stream)
{
    invokeGetPaddingOffsetAndCuSeqLens(
        h_pinned_token_num, h_token_num, tmp_mask_offset, nullptr, sequence_length, batch_size, max_seq_len, stream);
}

template<typename T>
void invokeBuildEncoderAttentionMask(
    T* attention_mask, const int* sequence_lengths, const int batch_size, const int max_seq_len, cudaStream_t stream);

void invokeGetTrtPaddingOffset(int*         trt_mha_padding_offset,
                               const int*   sequence_length,
                               const int    request_batch_size,
                               cudaStream_t stream);

void invokeGetTrtPaddingOffset(int*         trt_mha_padding_offset,
                               const int*   sequence_length,
                               const int    request_batch_size,
                               const int    request_seq_len,
                               cudaStream_t stream);

template<typename T>
void invokeRebuildPadding(
    T* dst, const T* src, const int* padding_offset, const int token_num, const int hidden_dim, cudaStream_t stream);

template<typename T>
void invokeRemovePadding(
    T* dst, const T* src, const int* padding_offset, const int token_num, const int hidden_dim, cudaStream_t stream);

template<typename T>
void invokeBuildRelativeAttentionBias(T*                          relative_attention_bias,
                                      const T*                    relative_attention_bias_table,
                                      const int                   head_num,
                                      const int                   seq_len,
                                      const int                   num_bucket,
                                      const bool                  is_bidirectional,
                                      const int                   max_distance,
                                      const PositionEmbeddingType position_embedding_type,
                                      cudaStream_t                stream);

template<typename T_OUT, typename T_IN>
struct getLastTokenDequantizeParam {
    T_OUT* const       output;
    T_IN const* const  input;
    float const* const input_scale;

    const int    batch_size;
    const int    max_seq_len;
    const int    d_model;
    cudaStream_t stream;
};

template<typename T_OUT, typename T_IN>
void invokeGetLastTokenDequantize(getLastTokenDequantizeParam<T_OUT, T_IN> param);

#ifdef ENABLE_FP8
template<typename T_OUT, typename T_IN, QUANTIZE_MODE quantize_mode>
struct QuantizeMatrixRebuildPaddingParam {
    T_OUT*       dst;
    const T_IN*  src;
    const int*   padding_offset;
    const int    token_num;
    const int    d_model;
    const float* scale;
    cudaStream_t stream;
};

template<typename T_OUT, typename T_IN, QUANTIZE_MODE quantize_mode>
void invokeQuantizeMatrixRebuildPadding(QuantizeMatrixRebuildPaddingParam<T_OUT, T_IN, quantize_mode> param);
#endif  // ENABLE_FP8

}  // namespace fastertransformer