/* * Copyright (c) 2021, Liav A. * * SPDX-License-Identifier: BSD-2-Clause */ #pragma once #include namespace Kernel { class DeviceControlDevice final : public CharacterDevice { friend class DeviceManagement; public: static NonnullLockRefPtr must_create(); virtual ~DeviceControlDevice() override; private: DeviceControlDevice(); // ^CharacterDevice virtual ErrorOr ioctl(OpenFileDescription&, unsigned request, Userspace arg) override; virtual ErrorOr read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override; virtual ErrorOr write(OpenFileDescription&, u64, UserOrKernelBuffer const&, size_t) override { return Error::from_errno(ENOTSUP); } virtual bool can_read(OpenFileDescription const&, u64) const override; virtual bool can_write(OpenFileDescription const&, u64) const override { return false; } virtual StringView class_name() const override { return "DeviceControlDevice"sv; } }; }