mindspore/include/c_api/model_c.h

145 lines
5.4 KiB
C

/**
* Copyright 2021 Huawei Technologies Co., Ltd
*
* 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.
*/
#ifndef MINDSPORE_INCLUDE_C_API_MODEL_C_H
#define MINDSPORE_INCLUDE_C_API_MODEL_C_H
#include "include/c_api/tensor_c.h"
#include "include/c_api/context_c.h"
#include "include/c_api/status_c.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef void *MSModelHandle;
typedef struct MSTensorHandleArray {
size_t handle_num;
MSTensorHandle *handle_list;
} MSTensorHandleArray;
#define MS_MAX_SHAPE_NUM 32
typedef struct MSShapeInfo {
size_t shape_num;
int64_t shape[MS_MAX_SHAPE_NUM];
} MSShapeInfo;
typedef struct MSCallBackParamC {
char *node_name;
char *node_type;
} MSCallBackParamC;
typedef bool (*MSKernelCallBackC)(const MSTensorHandleArray inputs, const MSTensorHandleArray outputs,
const MSCallBackParamC kernel_Info);
/// \brief Create a model object. Only valid for Lite.
///
/// \return Model object handle.
MS_API MSModelHandle MSModelCreate();
/// \brief Destroy the model object. Only valid for Lite.
///
/// \param[in] model Model object handle address.
MS_API void MSModelDestroy(MSModelHandle *model);
/// \brief Set workspace for the model object. Only valid for Iot.
///
/// \param[in] model Model object handle.
/// \param[in] workspace Define the workspace address.
/// \param[in] workspace_size Define the workspace size.
MS_API void MSModelSetWorkspace(MSModelHandle model, void *workspace, size_t workspace_size);
/// \brief Build the model from model file buffer so that it can run on a device. Only valid for Lite.
///
/// \param[in] model Model object handle.
/// \param[in] model_data Define the buffer read from a model file.
/// \param[in] data_size Define bytes number of model file buffer.
/// \param[in] model_type Define The type of model file.
/// \param[in] model_context Define the context used to store options during execution.
///
/// \return MSStatus.
MS_API MSStatus MSModelBuild(MSModelHandle model, const void *model_data, size_t data_size, MSModelType model_type,
const MSContextHandle model_context);
/// \brief Load and build the model from model path so that it can run on a device. Only valid for Lite.
///
/// \param[in] model Model object handle.
/// \param[in] model_path Define the model file path.
/// \param[in] model_type Define The type of model file.
/// \param[in] model_context Define the context used to store options during execution.
///
/// \return MSStatus.
MS_API MSStatus MSModelBuildFromFile(MSModelHandle model, const char *model_path, MSModelType model_type,
const MSContextHandle model_context);
/// \brief Resizes the shapes of inputs.
///
/// \param[in] model Model object handle.
/// \param[in] inputs The array that includes all input tensor handles.
/// \param[in] shape_infos Defines the new shapes of inputs, should be consistent with inputs.
/// \param[in] shape_info_num The num of shape_infos.
///
/// \return MSStatus.
MS_API MSStatus MSModelResize(MSModelHandle model, const MSTensorHandleArray inputs, MSShapeInfo *shape_infos,
size_t shape_info_num);
/// \brief Inference model.
///
/// \param[in] model Model object handle.
/// \param[in] inputs The array that includes all input tensor handles.
/// \param[out] outputs The array that includes all output tensor handles.
/// \param[in] before CallBack before predict.
/// \param[in] after CallBack after predict.
///
/// \return MSStatus.
MS_API MSStatus MSModelPredict(MSModelHandle model, const MSTensorHandleArray inputs, MSTensorHandleArray *outputs,
const MSKernelCallBackC before, const MSKernelCallBackC after);
/// \brief Obtains all input tensor handles of the model.
///
/// \param[in] model Model object handle.
///
/// \return The array that includes all input tensor handles.
MS_API MSTensorHandleArray MSModelGetInputs(const MSModelHandle model);
/// \brief Obtains all output tensor handles of the model.
///
/// \param[in] model Model object handle.
///
/// \return The array that includes all output tensor handles.
MS_API MSTensorHandleArray MSModelGetOutputs(const MSModelHandle model);
/// \brief Obtains the input tensor handle of the model by name.
///
/// \param[in] model Model object handle.
/// \param[in] tensor_name The name of tensor.
///
/// \return The input tensor handle with the given name, if the name is not found, an NULL is returned.
MS_API MSTensorHandle MSModelGetInputByTensorName(const MSModelHandle model, const char *tensor_name);
/// \brief Obtains the output tensor handle of the model by name.
///
/// \param[in] model Model object handle.
/// \param[in] tensor_name The name of tensor.
///
/// \return The output tensor handle with the given name, if the name is not found, an NULL is returned.
MS_API MSTensorHandle MSModelGetOutputByTensorName(const MSModelHandle model, const char *tensor_name);
#ifdef __cplusplus
}
#endif
#endif // MINDSPORE_INCLUDE_C_API_MODEL_C_H