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+/*
+ * Copyright (c) 2021-2022 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 ARM_COMPUTE_ICPUKERNEL_H
+#define ARM_COMPUTE_ICPUKERNEL_H
+
+#include "arm_compute/core/CPP/ICPPKernel.h"
+
+#include "src/cpu/kernels/CpuKernelSelectionTypes.h"
+
+namespace arm_compute
+{
+namespace cpu
+{
+enum class KernelSelectionType
+{
+ Preferred, /**< Retrieve the best implementation available for the given Cpu ISA, ignoring the build flags */
+ Supported /**< Retrieve the best implementation available for the given Cpu ISA that is supported by the current build */
+};
+
+template <class Derived>
+class ICpuKernel : public ICPPKernel
+{
+public:
+ /** Micro-kernel selector
+ *
+ * @param[in] selector Selection struct passed including information to help pick the appropriate micro-kernel
+ * @param[in] selection_type (Optional) Decides whether to get the best implementation for the given hardware or for the given build
+ *
+ * @return A matching micro-kernel else nullptr
+ */
+
+ template <typename SelectorType>
+ static const auto *get_implementation(const SelectorType &selector,
+ KernelSelectionType selection_type = KernelSelectionType::Supported)
+ {
+ using kernel_type =
+ typename std::remove_reference<decltype(Derived::get_available_kernels())>::type::value_type;
+
+ for (const auto &uk : Derived::get_available_kernels())
+ {
+ if (uk.is_selected(selector) && (selection_type == KernelSelectionType::Preferred || uk.ukernel != nullptr))
+ {
+ return &uk;
+ }
+ }
+
+ return static_cast<kernel_type *>(nullptr);
+ }
+};
+} // namespace cpu
+} // namespace arm_compute
+#endif /* ARM_COMPUTE_ICPUKERNEL_H */