/*
 * Copyright (c) 2021, the SerenityOS developers
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#pragma once

#include <AK/OwnPtr.h>
#include <AK/RefPtr.h>
#include <AK/Types.h>
#include <Kernel/Storage/RamdiskDevice.h>
#include <Kernel/Storage/StorageController.h>
#include <Kernel/Storage/StorageDevice.h>

namespace Kernel {

class AsyncBlockDeviceRequest;

class RamdiskController final : public StorageController {
    AK_MAKE_ETERNAL
public:
public:
    static NonnullRefPtr<RamdiskController> initialize();
    virtual ~RamdiskController() override;

    virtual Type type() const override { return Type::Ramdisk; }
    virtual RefPtr<StorageDevice> device(u32 index) const override;
    virtual bool reset() override;
    virtual bool shutdown() override;
    virtual size_t devices_count() const override;
    virtual void start_request(const StorageDevice&, AsyncBlockDeviceRequest&) override;
    virtual void complete_current_request(AsyncDeviceRequest::RequestResult) override;

private:
    RamdiskController();

    NonnullRefPtrVector<RamdiskDevice> m_devices;
};
}