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#pragma once
#include <AK/RefPtr.h>
#include <Kernel/Devices/DiskDevice.h>
class DiskPartition final : public DiskDevice {
public:
static NonnullRefPtr<DiskPartition> create(DiskDevice&, unsigned block_offset, unsigned block_limit);
virtual ~DiskPartition();
virtual bool read_block(unsigned index, u8* out) const override;
virtual bool write_block(unsigned index, const u8*) override;
virtual bool read_blocks(unsigned index, u16 count, u8*) override;
virtual bool write_blocks(unsigned index, u16 count, const u8*) override;
// ^BlockDevice
virtual ssize_t read(FileDescription&, u8*, ssize_t) override { return 0; }
virtual bool can_read(const FileDescription&) const override { return true; }
virtual ssize_t write(FileDescription&, const u8*, ssize_t) override { return 0; }
virtual bool can_write(const FileDescription&) const override { return true; }
private:
virtual const char* class_name() const override;
DiskPartition(DiskDevice&, unsigned block_offset, unsigned block_limit);
NonnullRefPtr<DiskDevice> m_device;
unsigned m_block_offset;
unsigned m_block_limit;
};
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