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/*
* Copyright (c) 2020, Liav A. <liavalb@hotmail.co.il>
* 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/IDEChannel.h>
#include <Kernel/Storage/StorageController.h>
#include <Kernel/Storage/StorageDevice.h>
namespace Kernel {
class AsyncBlockDeviceRequest;
class IDEController final : public StorageController
, public PCI::DeviceController {
AK_MAKE_ETERNAL
public:
public:
static NonnullRefPtr<IDEController> initialize(PCI::Address address, bool force_pio);
virtual ~IDEController() override;
virtual Type type() const override { return Type::IDE; }
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:
IDEController(PCI::Address address, bool force_pio);
RefPtr<StorageDevice> device_by_channel_and_position(u32 index) const;
void initialize(bool force_pio);
void detect_disks();
NonnullOwnPtrVector<IDEChannel> m_channels;
};
}
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