/*******************************************************************************
 *
 * MIT License
 *
 * Copyright (c) 2023 Advanced Micro Devices, Inc.
 *
 * 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.
 *
 *******************************************************************************/

#pragma once

#include <miopen/invoke_params.hpp>
#include <miopen/tensor.hpp>

namespace miopen {
namespace layernorm {

struct InvokeParams : public miopen::InvokeParams
{
    InvokeParams() = default;

    const TensorDescriptor* xDesc = nullptr;

    ConstData_t x          = nullptr;
    ConstData_t weight     = nullptr;
    ConstData_t bias       = nullptr;
    Data_t y               = nullptr;
    Data_t mean            = nullptr;
    Data_t rstd            = nullptr;
    float epsilon          = 0;
    int32_t normalized_dim = 0;
    size_t stride          = 0;
    size_t outer_size      = 0;
    size_t inner_size      = 0;
    miopenNormMode_t mode  = MIOPEN_ELEMENTWISE_AFFINE;

    std::size_t GetWorkspaceSize() const { return 0; }
    Data_t GetWorkspace() const { return nullptr; }
};

struct BwdInvokeParams : public miopen::InvokeParams
{
    BwdInvokeParams() = default;

    const TensorDescriptor* dyDesc = nullptr;

    ConstData_t dy         = nullptr;
    ConstData_t x          = nullptr;
    ConstData_t weight     = nullptr;
    ConstData_t mean       = nullptr;
    ConstData_t rstd       = nullptr;
    Data_t dx              = nullptr;
    Data_t dw              = nullptr;
    Data_t db              = nullptr;
    Data_t workspace       = nullptr;
    int32_t normalized_dim = 0;
    size_t workspace_size  = 0;
    size_t stride          = 0;
    size_t outer_size      = 0;
    size_t inner_size      = 0;
    miopenNormMode_t mode  = MIOPEN_ELEMENTWISE_AFFINE;

    std::size_t GetWorkspaceSize() const { return workspace_size; }
    Data_t GetWorkspace() const { return workspace; }
};

struct AddInvokeParams : public miopen::InvokeParams
{
    AddInvokeParams() = default;

    const TensorDescriptor* xDesc = nullptr;

    ConstData_t x          = nullptr;
    ConstData_t x2         = nullptr;
    ConstData_t weight     = nullptr;
    ConstData_t bias       = nullptr;
    Data_t y               = nullptr;
    Data_t mean            = nullptr;
    Data_t rstd            = nullptr;
    float epsilon          = 0;
    int32_t normalized_dim = 0;
    size_t outer_size      = 0;
    size_t inner_size      = 0;
    miopenNormMode_t mode  = MIOPEN_ELEMENTWISE_AFFINE;

    std::size_t GetWorkspaceSize() const { return 0; }
    Data_t GetWorkspace() const { return nullptr; }
};

struct T5InvokeParams : public miopen::InvokeParams
{
    T5InvokeParams() = default;

    const TensorDescriptor* xDesc = nullptr;

    ConstData_t x         = nullptr;
    ConstData_t weight    = nullptr;
    Data_t y              = nullptr;
    Data_t rstd           = nullptr;
    float epsilon         = 0;
    size_t outer_size     = 0;
    size_t inner_size     = 0;
    miopenNormMode_t mode = MIOPEN_ELEMENTWISE_AFFINE;

    std::size_t GetWorkspaceSize() const { return 0; }
    Data_t GetWorkspace() const { return nullptr; }
};

struct T5BwdInvokeParams : public miopen::InvokeParams
{
    T5BwdInvokeParams() = default;

    const TensorDescriptor* dyDesc = nullptr;

    ConstData_t dy             = nullptr;
    ConstData_t x              = nullptr;
    ConstData_t weight         = nullptr;
    ConstData_t rstd           = nullptr;
    Data_t dx                  = nullptr;
    Data_t dw                  = nullptr;
    Data_t workspace           = nullptr;
    std::size_t workspace_size = 0;
    size_t outer_size          = 0;
    size_t inner_size          = 0;
    miopenNormMode_t mode      = MIOPEN_ELEMENTWISE_AFFINE;

    std::size_t GetWorkspaceSize() const { return workspace_size; }
    Data_t GetWorkspace() const { return workspace; }
};

} // namespace layernorm

} // namespace miopen
