85 lines
3.2 KiB
C++
85 lines
3.2 KiB
C++
/*************************************************************************
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* Copyright (C) 2008 by Volker Lanz <vl@fidra.de> *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License as *
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* published by the Free Software Foundation; either version 3 of *
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* the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program. If not, see <http://www.gnu.org/licenses/>.*
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*************************************************************************/
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#if !defined(KPMCORE_DISKDEVICE_H)
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#define KPMCORE_DISKDEVICE_H
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#include "util/libpartitionmanagerexport.h"
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#include "core/device.h"
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#include <QString>
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#include <QObject>
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#include <QtGlobal>
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class PartitionTable;
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class CreatePartitionTableOperation;
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class CoreBackend;
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class SmartStatus;
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/** A disk device.
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Represents a device like /dev/sda.
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Devices are the outermost entity; they contain a PartitionTable that itself contains Partitions.
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@see PartitionTable, Partition
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@author Volker Lanz <vl@fidra.de>
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*/
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class LIBKPMCORE_EXPORT DiskDevice : public Device
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{
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Q_DISABLE_COPY(DiskDevice)
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friend class CreatePartitionTableOperation;
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friend class CoreBackend;
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public:
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DiskDevice(const QString& name, const QString& deviceNode, qint32 heads, qint32 numSectors, qint32 cylinders, qint64 sectorSize, const QString& iconName = QString());
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public:
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qint32 heads() const {
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return m_Heads; /**< @return the number of heads on the Device in CHS notation */
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}
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qint32 cylinders() const {
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return m_Cylinders; /**< @return the number of cylinders on the Device in CHS notation */
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}
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qint32 sectorsPerTrack() const {
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return m_SectorsPerTrack; /**< @return the number of sectors on the Device in CHS notation */
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}
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qint64 physicalSectorSize() const {
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return m_PhysicalSectorSize; /**< @return the physical sector size the Device uses or -1 if unknown */
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}
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qint64 logicalSectorSize() const {
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return m_LogicalSectorSize; /**< @return the logical sector size the Device uses */
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}
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qint64 totalSectors() const {
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return static_cast<qint64>(heads()) * cylinders() * sectorsPerTrack(); /**< @return the total number of sectors on the device */
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}
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qint64 cylinderSize() const {
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return static_cast<qint64>(heads()) * sectorsPerTrack(); /**< @return the size of a cylinder on this Device in sectors */
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}
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private:
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qint32 m_Heads;
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qint32 m_SectorsPerTrack;
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qint32 m_Cylinders;
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qint64 m_LogicalSectorSize;
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qint64 m_PhysicalSectorSize;
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};
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#endif
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