ladybird/Kernel/Storage/RamdiskDevice.h

/*
 * Copyright (c) 2021, the SerenityOS developers.
 *
 * SPDX-License-Identifier: BSD-2-Clause
 */

#pragma once

#include <Kernel/Locking/Mutex.h>
#include <Kernel/Storage/StorageDevice.h>

namespace Kernel {

class RamdiskController;

class RamdiskDevice final : public StorageDevice {
    friend class RamdiskController;
    AK_MAKE_ETERNAL
public:
    static NonnullRefPtr<RamdiskDevice> create(const RamdiskController&, NonnullOwnPtr<Memory::Region>&& region, int major, int minor);
    RamdiskDevice(const RamdiskController&, NonnullOwnPtr<Memory::Region>&&, int major, int minor);
    virtual ~RamdiskDevice() override;

    // ^BlockDevice
    virtual void start_request(AsyncBlockDeviceRequest&) override;

    // ^DiskDevice
    virtual StringView class_name() const override;
    virtual String device_name() const override;

    bool is_slave() const;

    Mutex m_lock { "RamdiskDevice" };

    NonnullOwnPtr<Memory::Region> m_region;
};

}