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/*
* Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <Kernel/Devices/CharacterDevice.h>
namespace Kernel {
class DeviceControlDevice final : public CharacterDevice {
friend class DeviceManagement;
public:
static NonnullLockRefPtr<DeviceControlDevice> must_create();
virtual ~DeviceControlDevice() override;
private:
DeviceControlDevice();
// ^CharacterDevice
virtual ErrorOr<void> ioctl(OpenFileDescription&, unsigned request, Userspace<void*> arg) override;
virtual ErrorOr<size_t> read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override;
virtual ErrorOr<size_t> 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; }
};
}
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