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/*
* Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/OwnPtr.h>
#include <AK/RefPtr.h>
#include <AK/Types.h>
#include <Kernel/Sections.h>
#include <Kernel/Storage/AHCI.h>
#include <Kernel/Storage/ATAController.h>
#include <Kernel/Storage/StorageDevice.h>
namespace Kernel {
class AsyncBlockDeviceRequest;
class AHCIPortHandler;
class AHCIPort;
class AHCIController final : public ATAController
, public PCI::Device {
friend class AHCIPortHandler;
friend class AHCIPort;
AK_MAKE_ETERNAL
public:
UNMAP_AFTER_INIT static NonnullRefPtr<AHCIController> initialize(PCI::DeviceIdentifier const& pci_device_identifier);
virtual ~AHCIController() override;
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 ATADevice&, AsyncBlockDeviceRequest&) override;
virtual void complete_current_request(AsyncDeviceRequest::RequestResult) override;
const AHCI::HBADefinedCapabilities& hba_capabilities() const { return m_capabilities; };
private:
void disable_global_interrupts() const;
void enable_global_interrupts() const;
UNMAP_AFTER_INIT explicit AHCIController(PCI::DeviceIdentifier const&);
UNMAP_AFTER_INIT void initialize_hba(PCI::DeviceIdentifier const&);
AHCI::HBADefinedCapabilities capabilities() const;
RefPtr<StorageDevice> device_by_port(u32 index) const;
volatile AHCI::PortRegisters& port(size_t port_number) const;
UNMAP_AFTER_INIT NonnullOwnPtr<Memory::Region> default_hba_region() const;
volatile AHCI::HBA& hba() const;
NonnullOwnPtr<Memory::Region> m_hba_region;
AHCI::HBADefinedCapabilities m_capabilities;
NonnullRefPtrVector<AHCIPortHandler> m_handlers;
};
}
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