145 lines
4.6 KiB
C++
145 lines
4.6 KiB
C++
/*************************************************************************
|
|
* Copyright (C) 2008 by Volker Lanz <vl@fidra.de> *
|
|
* Copyright (C) 2016-2018 by Andrius Štikonas <andrius@stikonas.eu> *
|
|
* *
|
|
* This program is free software; you can redistribute it and/or *
|
|
* modify it under the terms of the GNU General Public License as *
|
|
* published by the Free Software Foundation; either version 3 of *
|
|
* the License, or (at your option) any later version. *
|
|
* *
|
|
* This program is distributed in the hope that it will be useful, *
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
|
|
* GNU General Public License for more details. *
|
|
* *
|
|
* You should have received a copy of the GNU General Public License *
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.*
|
|
*************************************************************************/
|
|
|
|
#include "core/diskdevice.h"
|
|
#include "core/device_p.h"
|
|
|
|
#include "core/partitiontable.h"
|
|
#include "core/smartstatus.h"
|
|
|
|
#include <KLocalizedString>
|
|
|
|
#include <QFile>
|
|
#include <QByteArray>
|
|
|
|
#include <sys/ioctl.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <fcntl.h>
|
|
#include <unistd.h>
|
|
#ifdef __gnu_linux__
|
|
#include <linux/fs.h>
|
|
#endif
|
|
|
|
#if !defined(BLKPBSZGET)
|
|
#define BLKPBSZGET _IO(0x12,123)/* get block physical sector size */
|
|
#endif
|
|
|
|
#define d_ptr std::static_pointer_cast<DiskDevicePrivate>(d)
|
|
|
|
class DiskDevicePrivate : public DevicePrivate
|
|
{
|
|
public:
|
|
qint32 m_Heads;
|
|
qint32 m_SectorsPerTrack;
|
|
qint32 m_Cylinders;
|
|
qint64 m_LogicalSectorSize;
|
|
qint64 m_PhysicalSectorSize;
|
|
};
|
|
|
|
static qint64 getPhysicalSectorSize(const QString& device_node)
|
|
{
|
|
/*
|
|
* possible ways of getting the physical sector size for a drive:
|
|
* - ioctl(BLKPBSZGET) -- supported with Linux 2.6.32 and later
|
|
* - /sys/block/sda/queue/physical_block_size
|
|
* - libblkid from util-linux 2.17 or later (not implemented)
|
|
*/
|
|
|
|
#if defined(BLKPBSZGET)
|
|
int phSectorSize = -1;
|
|
int fd = open(device_node.toLocal8Bit().constData(), O_RDONLY);
|
|
if (fd != -1) {
|
|
if (ioctl(fd, BLKPBSZGET, &phSectorSize) >= 0) {
|
|
close(fd);
|
|
return phSectorSize;
|
|
}
|
|
|
|
close(fd);
|
|
}
|
|
#endif
|
|
|
|
QFile f(QStringLiteral("/sys/block/%1/queue/physical_block_size").arg(QString(device_node).remove(QStringLiteral("/dev/"))));
|
|
|
|
if (f.open(QIODevice::ReadOnly)) {
|
|
QByteArray a = f.readLine();
|
|
return a.trimmed().toInt();
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
/** Constructs a Disk Device with an empty PartitionTable.
|
|
@param name the Device's name, usually some string defined by the manufacturer
|
|
@param deviceNode the Device's node, for example "/dev/sda"
|
|
@param heads the number of heads in CHS notation
|
|
@param numSectors the number of sectors in CHS notation
|
|
@param cylinders the number of cylinders in CHS notation
|
|
@param sectorSize the size of a sector in bytes
|
|
*/
|
|
DiskDevice::DiskDevice(const QString& name,
|
|
const QString& deviceNode,
|
|
qint32 heads,
|
|
qint32 numSectors,
|
|
qint32 cylinders,
|
|
qint64 sectorSize,
|
|
const QString& iconName)
|
|
: Device(std::make_shared<DiskDevicePrivate>(), name, deviceNode, sectorSize, (static_cast<qint64>(heads) * cylinders * numSectors), iconName, Device::Type::Disk_Device)
|
|
{
|
|
d_ptr->m_Heads = heads;
|
|
d_ptr->m_SectorsPerTrack = numSectors;
|
|
d_ptr->m_Cylinders = cylinders;
|
|
d_ptr->m_LogicalSectorSize = sectorSize;
|
|
d_ptr->m_PhysicalSectorSize = getPhysicalSectorSize(deviceNode);
|
|
}
|
|
|
|
qint32 DiskDevice::heads() const
|
|
{
|
|
return d_ptr->m_Heads;
|
|
}
|
|
|
|
qint32 DiskDevice::cylinders() const
|
|
{
|
|
return d_ptr->m_Cylinders;
|
|
}
|
|
|
|
qint32 DiskDevice::sectorsPerTrack() const
|
|
{
|
|
return d_ptr->m_SectorsPerTrack;
|
|
}
|
|
|
|
qint64 DiskDevice::physicalSectorSize() const
|
|
{
|
|
return d_ptr->m_PhysicalSectorSize;
|
|
}
|
|
|
|
qint64 DiskDevice::logicalSectorSize() const
|
|
{
|
|
return d_ptr->m_LogicalSectorSize;
|
|
}
|
|
|
|
qint64 DiskDevice::totalSectors() const
|
|
{
|
|
return static_cast<qint64>(d_ptr->m_Heads) * d_ptr->m_Cylinders * d_ptr->m_SectorsPerTrack;
|
|
}
|
|
|
|
qint64 DiskDevice::cylinderSize() const
|
|
{
|
|
return static_cast<qint64>(d_ptr->m_Heads) * d_ptr->m_SectorsPerTrack;
|
|
}
|