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https://github.com/RGBCube/serenity
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30eeba1981
If there's no PCI bus, then it's safe to assume that we run on a x86 machine that has an ISA IDE controller in the system. In such case, we just instantiate a ISAIDEController object that assumes fixed locations of IDE IO ports.
41 lines
1.1 KiB
C++
41 lines
1.1 KiB
C++
/*
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* Copyright (c) 2020-2022, Liav A. <liavalb@hotmail.co.il>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/OwnPtr.h>
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#include <AK/RefPtr.h>
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#include <AK/Types.h>
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#include <Kernel/Storage/ATA/IDEChannel.h>
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#include <Kernel/Storage/ATA/IDEController.h>
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#include <Kernel/Storage/StorageDevice.h>
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namespace Kernel {
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class AsyncBlockDeviceRequest;
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class PCIIDEController final : public IDEController
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, public PCI::Device {
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public:
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static NonnullRefPtr<PCIIDEController> initialize(PCI::DeviceIdentifier const&, bool force_pio);
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bool is_bus_master_capable() const;
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bool is_pci_native_mode_enabled() const;
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private:
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bool is_pci_native_mode_enabled_on_primary_channel() const;
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bool is_pci_native_mode_enabled_on_secondary_channel() const;
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PCIIDEController(PCI::DeviceIdentifier const&, bool force_pio);
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RefPtr<StorageDevice> device_by_channel_and_position(u32 index) const;
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void initialize(bool force_pio);
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void detect_disks();
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// FIXME: Find a better way to get the ProgrammingInterface
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PCI::ProgrammingInterface m_prog_if;
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PCI::InterruptLine m_interrupt_line;
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};
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}
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