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-rw-r--r--src/libDDK/DriverKit/ObjectKit/driver_base.h48
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diff --git a/src/libDDK/DriverKit/ObjectKit/driver_base.h b/src/libDDK/DriverKit/ObjectKit/driver_base.h
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+// Copyright 2024-2025, Amlal El Mahrouss (amlal@nekernel.org)
+// Licensed under the Apache License, Version 2.0 (see LICENSE file)
+// Official repository: https://github.com/nekernel-org/nekernel
+
+#ifndef DRIVERKIT_DRIVER_BASE_H
+#define DRIVERKIT_DRIVER_BASE_H
+
+#include <libDDK/DriverKit/macros.h>
+
+#define DDK_DRIVER_IMPL \
+ final: \
+ public \
+ ::Kernel::DDK::IDriverBase
+
+/// @author Amlal El Mahrouss
+/// @brief The DDK C++ API.
+
+namespace Kernel::DDK {
+
+inline constexpr auto kInvalidType = 0;
+
+/// @brief Driver interface type.
+class IDriverBase {
+ public:
+ IDriverBase() = default;
+ virtual ~IDriverBase() = default;
+
+ IDriverBase& operator=(const IDriverBase&) = delete;
+ IDriverBase(const IDriverBase&) = delete;
+
+ using PtrType = void*;
+
+ virtual constexpr bool IsCastable() { return false; }
+ virtual constexpr bool IsActive() { return false; }
+ virtual PtrType Leak() { return nullptr; }
+ virtual constexpr int32_t Type() { return kInvalidType; }
+};
+
+/// @brief This concept requires the Driver to be IDriverBase compliant.
+/// @author @amlel-el-mahrouss
+template <typename Driver>
+concept IsValidDriver = requires(Driver drv) {
+ { drv.IsActive() && drv.Type() > kInvalidType };
+};
+
+} // namespace Kernel::DDK
+
+#endif