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32 lines
1 KiB
C++
32 lines
1 KiB
C++
/*
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* Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <Kernel/Devices/CharacterDevice.h>
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namespace Kernel {
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class DeviceControlDevice final : public CharacterDevice {
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friend class DeviceManagement;
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public:
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static NonnullRefPtr<DeviceControlDevice> must_create();
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virtual ~DeviceControlDevice() override;
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private:
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DeviceControlDevice();
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// ^CharacterDevice
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virtual ErrorOr<void> ioctl(OpenFileDescription&, unsigned request, Userspace<void*> arg) override;
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virtual ErrorOr<size_t> read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override;
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virtual ErrorOr<size_t> write(OpenFileDescription&, u64, const UserOrKernelBuffer&, size_t) override { return Error::from_errno(ENOTSUP); }
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virtual bool can_read(const OpenFileDescription&, u64) const override;
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virtual bool can_write(const OpenFileDescription&, u64) const override { return false; }
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virtual StringView class_name() const override { return "DeviceControlDevice"sv; }
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};
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}
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