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42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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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/RefPtr.h>
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#include <AK/WeakPtr.h>
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#include <Kernel/Devices/BlockDevice.h>
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#include <Kernel/Storage/Partition/DiskPartitionMetadata.h>
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namespace Kernel {
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class DiskPartition final : public BlockDevice {
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friend class DeviceManagement;
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public:
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static NonnullRefPtr<DiskPartition> create(BlockDevice&, unsigned, DiskPartitionMetadata);
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virtual ~DiskPartition();
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virtual void start_request(AsyncBlockDeviceRequest&) override;
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// ^BlockDevice
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virtual ErrorOr<size_t> read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override;
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virtual bool can_read(OpenFileDescription const&, u64) const override;
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virtual ErrorOr<size_t> write(OpenFileDescription&, u64, UserOrKernelBuffer const&, size_t) override;
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virtual bool can_write(OpenFileDescription const&, u64) const override;
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DiskPartitionMetadata const& metadata() const;
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private:
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DiskPartition(BlockDevice&, unsigned, DiskPartitionMetadata);
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virtual StringView class_name() const override;
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WeakPtr<BlockDevice> m_device;
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DiskPartitionMetadata m_metadata;
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};
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}
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