1 files changed, 96 insertions, 0 deletions
diff --git a/compute_kernel_writer/include/ckw/TensorInfo.h b/compute_kernel_writer/include/ckw/TensorInfo.h
new file mode 100644
index 0000000000..5c87cb5b12
--- /dev/null
+++ b/compute_kernel_writer/include/ckw/TensorInfo.h
@@ -0,0 +1,96 @@
+/*
+ * 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 COMPUTE_KERNEL_WRITER_INCLUDE_CKW_TENSORINFO_H
+#define COMPUTE_KERNEL_WRITER_INCLUDE_CKW_TENSORINFO_H
+
+#include "ckw/types/DataType.h"
+#include "ckw/types/TensorDataLayout.h"
+
+#include <array>
+#include <cstdint>
+
+namespace ckw
+{
+
+/** Compute Kernel Writer tensor shape
+ *  The value -1 for the tensor dimension is reserved to dynamic dimensions.
+ */
+using TensorShape = std::array<int32_t, 5>;
+
+/** Tensor dimension value reserved to dynamic dimensions */
+constexpr int32_t kDynamicTensorDimensionValue = -1;
+
+/** Compute Kernel Writer tensor info */
+class TensorInfo
+{
+public:
+    /** Default constructor */
+    TensorInfo() = default;
+    /** Constructor
+     *
+     * @param[in] dt    Tensor data type
+     * @param[in] shape Tensor shape
+     * @param[in] dl    Tensor data layout
+     * @param[in] id    Tensor id. The id is used to keep track of the user tensor binded. Through the id,
+     *                  the user can know what tensor has been used by the Compute Kernel Writer.
+     *                  Possible id values:
+     *                  - greater than or equal to 0: bind a user specific tensors
+     *                  - less than 0: bind a virtual tensor (tile)
+     */
+    TensorInfo(DataType dt, const TensorShape &shape, TensorDataLayout dl, int32_t id);
+
+    /** Set shape */
+    TensorInfo &shape(const TensorShape &shape);
+
+    /** Get shape */
+    TensorShape shape() const;
+
+    /** Set data type */
+    TensorInfo &data_type(DataType dt);
+
+    /** Get data type */
+    DataType data_type() const;
+
+    /** Set data layout */
+    TensorInfo &data_layout(TensorDataLayout dl);
+
+    /** Get data layout */
+    TensorDataLayout data_layout() const;
+
+    /** Set id */
+    TensorInfo &id(int32_t id);
+
+    /** Get layout */
+    int32_t id() const;
+
+private:
+    TensorShape      _shape{{0}};
+    DataType         _dt{DataType::Unknown};
+    TensorDataLayout _dl{TensorDataLayout::Unknown};
+    int32_t          _id{-1};
+};
+} // namespace ckw
+
+#endif /* COMPUTE_KERNEL_WRITER_INCLUDE_CKW_TENSORINFO_H */