/**

 * Copyright (c) 2025 Huawei Technologies Co., Ltd.

 * This program is free software, you can redistribute it and/or modify it under the terms and conditions of

 * CANN Open Software License Agreement Version 2.0 (the "License").

 * Please refer to the License for details. You may not use this file except in compliance with the License.

 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,

 * INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.

 * See LICENSE in the root of the software repository for the full text of the License.

 */



#ifndef OPS_HCCL_SRC_OPS_REDUCE_SCATTER_OP

#define OPS_HCCL_SRC_OPS_REDUCE_SCATTER_OP



#include <string>

#include <memory>

#include "hccl.h"



#include "alg_param.h"

#include "executor_v2_base.h"

#include "alg_type.h"

#include "execute_selector.h"

#ifdef ENABLE_EXPERIMENTAL

#include "reduce_scatter_op_experimental.h"

#endif



#ifdef __cplusplus

extern "C" {

#endif



HcclResult HcclReduceScatter(void *sendBuf, void *recvBuf, uint64_t recvCount, HcclDataType dataType,

                             HcclReduceOp op, HcclComm comm, aclrtStream stream);



HcclResult HcclReduceScatterGraphMode(void *sendBuf, void *recvBuf, uint64_t recvCount, HcclDataType dataType,

 	HcclReduceOp op, const char* group, aclrtStream stream, const char* tag, void** streams,

 	size_t streamCount, void* scratchMemAddr, uint64_t scratchMemSize);



#ifdef __cplusplus

}

#endif



namespace ops_hccl {

HcclResult ReduceScatterOutPlace(OpParam &param, void *sendBuf, void *recvBuf, uint64_t recvCount, HcclDataType dataType,

    HcclReduceOp op, HcclComm comm, aclrtStream stream, u32 userRankSize);



HcclResult ReduceScatterOutPlaceGraphMode(void *sendBuf, void *recvBuf, uint64_t recvCount, HcclDataType dataType,

 	HcclReduceOp op, HcclComm comm, aclrtStream stream, const std::string &tag, const ResPackGraphMode &resPack);



HcclResult ReduceScatterExecOp(HcclComm comm, OpParam &param);



HcclResult CheckReduceScatterInputPara(const HcclComm comm, const void* sendBuf, const void* recvBuf, const aclrtStream stream);



HcclResult GetAlgResReduceScatter(HcclComm comm, OpParam &param, std::shared_ptr<InsCollAlgBase> &executor,

    TopoInfoWithNetLayerDetails* topoInfo, AlgResourceCtx** resCtx, aclrtNotify* notifies);

    

HcclResult ReduceScatterEntryLog(void *sendBuf, void *recvBuf, uint64_t recvCount, HcclDataType dataType, HcclReduceOp op,

    aclrtStream stream, const char *tag, const std::string &opName, bool forceLog = false);



}



#endif