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Diffstat (limited to 'src/libDDK/DriverKit/ObjectKit/driver_base.h')
| -rw-r--r-- | src/libDDK/DriverKit/ObjectKit/driver_base.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/libDDK/DriverKit/ObjectKit/driver_base.h b/src/libDDK/DriverKit/ObjectKit/driver_base.h new file mode 100644 index 00000000..909bfe7b --- /dev/null +++ b/src/libDDK/DriverKit/ObjectKit/driver_base.h @@ -0,0 +1,48 @@ +// 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 |
