mirror of
https://github.com/RGBCube/serenity
synced 2025-07-10 08:17:35 +00:00
4a9c18afb9
Dr. POSIX really calls these "open file description", not just "file description", so let's call them exactly that. :^)
43 lines
1.3 KiB
C++
43 lines
1.3 KiB
C++
/*
|
|
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/RefPtr.h>
|
|
#include <Kernel/Devices/BlockDevice.h>
|
|
#include <Kernel/Storage/Partition/DiskPartitionMetadata.h>
|
|
|
|
namespace Kernel {
|
|
|
|
class DiskPartition final : public BlockDevice {
|
|
public:
|
|
static NonnullRefPtr<DiskPartition> create(BlockDevice&, unsigned, DiskPartitionMetadata);
|
|
virtual ~DiskPartition();
|
|
|
|
virtual void start_request(AsyncBlockDeviceRequest&) override;
|
|
|
|
// ^BlockDevice
|
|
virtual KResultOr<size_t> read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override;
|
|
virtual bool can_read(const OpenFileDescription&, size_t) const override;
|
|
virtual KResultOr<size_t> write(OpenFileDescription&, u64, const UserOrKernelBuffer&, size_t) override;
|
|
virtual bool can_write(const OpenFileDescription&, size_t) const override;
|
|
|
|
// ^Device
|
|
virtual mode_t required_mode() const override { return 0600; }
|
|
virtual String device_name() const override;
|
|
|
|
const DiskPartitionMetadata& metadata() const;
|
|
|
|
private:
|
|
virtual StringView class_name() const override;
|
|
|
|
DiskPartition(BlockDevice&, unsigned, DiskPartitionMetadata);
|
|
|
|
NonnullRefPtr<BlockDevice> m_device;
|
|
DiskPartitionMetadata m_metadata;
|
|
};
|
|
|
|
}
|