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+/*
+ * Copyright (c) 2023 Arm Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * 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.
+ */
+
+#ifndef CKW_SRC_ITENSORARGUMENT_H
+#define CKW_SRC_ITENSORARGUMENT_H
+
+#include "ckw/TensorInfo.h"
+#include "ckw/types/TensorComponentType.h"
+#include "ckw/types/TensorStorageType.h"
+#include "src/ITile.h"
+
+#include <string>
+#include <vector>
+
+namespace ckw
+{
+/** Tensor storage variable */
+struct TensorStorageVariable
+{
+ std::string val{ "" }; /** Tensor storage as a string */
+ std::string type{ "" }; /** Tensor storage type as a string */
+};
+
+/** Tensor argument base class.
+ * A tensor is a multidimensional array used to store data. To access an element (or multiple elements) from a tensor,
+ * the following information are required:
+ * -# The data memory object. For example, the pointer to the array
+ * -# The tensor components, such as the size of each tensor dimension, or the number of elements in bytes contained in each dimension (also known as the "stride")
+ */
+class ITensorArgument
+{
+public:
+ virtual ~ITensorArgument() = default;
+ /** Method to get the name of the tensor argument.
+ *
+ * @return the name of the tensor argument
+ */
+ std::string name() const
+ {
+ return _basename;
+ }
+ /** Method to get the tensor info
+ *
+ * @return the @ref TensorInfo
+ */
+ TensorInfo info() const
+ {
+ return _info;
+ }
+
+protected:
+ TensorInfo _info{}; // Tensor info
+ std::string _basename{ "" }; // Tensor name
+};
+
+/** Tensor component argument base class */
+class ITensorComponentArgument
+{
+public:
+ virtual ~ITensorComponentArgument() = default;
+ /** Method to get the tensor component variable as a string
+ *
+ * @param[in] x The tensor component to query
+ *
+ * @return the tensor component variable as a @ref TileVariable
+ */
+ virtual TileVariable component(TensorComponentType x) = 0;
+ /** Method to get all tensor components needed to access the data in the tensor
+ *
+ * The tensor components returned by this method must be all passed as kernel argument
+ *
+ * @return a vector containing all the tensor components as @ref TileVariable objects
+ */
+ virtual std::vector<TileVariable> components() const = 0;
+};
+
+/** Tensor storage argument base class */
+class ITensorStorageArgument
+{
+public:
+ virtual ~ITensorStorageArgument() = default;
+ /** Method to get the tensor storage as a string
+ *
+ * @param[in] x The tensor storage to query
+ *
+ * @return the tensor storage as a @ref TensorStorageVariable
+ */
+ virtual TensorStorageVariable storage(TensorStorageType x) = 0;
+ /** Method to get all tensor storages needed to access the data in the tensor
+ *
+ * The tensor storages returned by this method must be all passed as kernel argument
+ *
+ * @return a vector containing all the tensor storages as @ref TensorStorageVariable objects
+ */
+ virtual std::vector<TensorStorageVariable> storages() const = 0;
+};
+
+} // namespace ckw
+
+#endif // CKW_SRC_ITENSORARGUMENT_H