kpmcore/src/core/lvmdevice.h

105 lines
3.7 KiB
C++

/*
SPDX-FileCopyrightText: 2016 Chantara Tith <tith.chantara@gmail.com>
SPDX-FileCopyrightText: 2016-2018 Andrius Štikonas <andrius@stikonas.eu>
SPDX-FileCopyrightText: 2018-2019 Caio Jordão Carvalho <caiojcarvalho@gmail.com>
SPDX-FileCopyrightText: 2019 Yuri Chornoivan <yurchor@ukr.net>
SPDX-License-Identifier: GPL-3.0-or-later
*/
#ifndef KPMCORE_LVMDEVICE_H
#define KPMCORE_LVMDEVICE_H
#include "core/device.h"
#include "core/volumemanagerdevice.h"
#include "util/libpartitionmanagerexport.h"
#include <QHash>
#include <QString>
#include <QObject>
#include <QStringList>
#include <QtGlobal>
#include <QVector>
class PartitionTable;
class Report;
class Partition;
class SmartStatus;
/** Representation of LVM Volume Group(VG).
Devices are the outermost entity; they contain a PartitionTable that itself contains Partitions.
@see Device, VolumeManagerDevice, PartitionTable, Partition
*/
class LIBKPMCORE_EXPORT LvmDevice : public VolumeManagerDevice
{
Q_DISABLE_COPY(LvmDevice)
friend class VolumeManagerDevice;
public:
explicit LvmDevice(const QString& name, const QString& iconName = QString());
~LvmDevice() override;
public:
const QStringList deviceNodes() const override;
const QStringList& partitionNodes() const override;
qint64 partitionSize(QString& partitionPath) const override;
static QVector<const Partition*> s_DirtyPVs;
static QVector<const Partition*> s_OrphanPVs;
static const QStringList getVGs();
static const QStringList getLVs(const QString& vgName);
static qint64 getPeSize(const QString& vgName);
static qint64 getTotalPE(const QString& vgName);
static qint64 getAllocatedPE(const QString& vgName);
static qint64 getFreePE(const QString& vgName);
static QString getUUID(const QString& vgName);
static QString getField(const QString& fieldName, const QString& vgName = QString());
static qint64 getTotalLE(const QString& lvPath);
static bool removeLV(Report& report, LvmDevice& d, Partition& p);
static bool createLV(Report& report, LvmDevice& d, Partition& p, const QString& lvName);
static bool createLVSnapshot(Report& report, Partition& p, const QString& name, const qint64 extents = 0);
static bool resizeLV(Report& report, Partition& p);
static bool deactivateLV(Report& report, const Partition& p);
static bool activateLV(const QString& deviceNode);
static bool removePV(Report& report, LvmDevice& d, const QString& pvPath);
static bool insertPV(Report& report, LvmDevice& d, const QString& pvPath);
static bool movePV(Report& report, const QString& pvPath, const QStringList& destinations = QStringList());
static bool removeVG(Report& report, LvmDevice& d);
static bool createVG(Report& report, const QString vgName, const QVector<const Partition*>& pvList, const qint32 peSize = 4); // peSize in megabytes
static bool deactivateVG(Report& report, const LvmDevice& d);
static bool activateVG(Report& report, const LvmDevice& d);
protected:
void initPartitions() override;
const QList<Partition*> scanPartitions(PartitionTable* pTable) const;
Partition* scanPartition(const QString& lvPath, PartitionTable* pTable) const;
qint64 mappedSector(const QString& lvPath, qint64 sector) const override;
public:
qint64 peSize() const;
qint64 totalPE() const;
qint64 allocatedPE() const;
qint64 freePE() const;
void setFreePE(qint64 freePE) const;
QString UUID() const;
QVector <const Partition*>& physicalVolumes();
const QVector <const Partition*>& physicalVolumes() const;
protected:
std::unique_ptr<QHash<QString, qint64>>& LVSizeMap() const;
private:
static void scanSystemLVM(QList<Device*>& devices);
};
#endif