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28 lines
788 B
C++
28 lines
788 B
C++
#pragma once
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#include <AK/RefCounted.h>
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#include <AK/Types.h>
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#include <Kernel/Devices/BlockDevice.h>
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// FIXME: Support 64-bit DiskOffset
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typedef u32 DiskOffset;
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class DiskDevice : public BlockDevice {
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public:
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virtual ~DiskDevice() override;
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virtual unsigned block_size() const = 0;
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virtual bool read_block(unsigned index, u8*) const = 0;
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virtual bool write_block(unsigned index, const u8*) = 0;
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bool read(DiskOffset, unsigned length, u8*) const;
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bool write(DiskOffset, unsigned length, const u8*);
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virtual bool read_blocks(unsigned index, u16 count, u8*) = 0;
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virtual bool write_blocks(unsigned index, u16 count, const u8*) = 0;
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virtual bool is_disk_device() const override { return true; };
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protected:
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DiskDevice(int major, int minor);
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};
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