b50f747876
This commit sets up udev and the DrmBackend to list and use all GPUs. BUG: 425586 BUG: 417323
92 lines
1.8 KiB
C++
92 lines
1.8 KiB
C++
/*
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KWin - the KDE window manager
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This file is part of the KDE project.
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SPDX-FileCopyrightText: 2014 Martin Gräßlin <mgraesslin@kde.org>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef KWIN_UDEV_H
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#define KWIN_UDEV_H
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#include <memory>
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#include <kwin_export.h>
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#include <vector>
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#include <QVector>
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struct udev;
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struct udev_device;
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struct udev_monitor;
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namespace KWin
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{
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class Udev;
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class KWIN_EXPORT UdevDevice
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{
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public:
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UdevDevice(udev_device *device);
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~UdevDevice();
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udev_device *getParentWithSubsystemDevType(const char *subsystem, const char *devtype = nullptr) const;
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const char *devNode();
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int sysNum() const;
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const char *property(const char *key);
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bool hasProperty(const char *key, const char *value);
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operator udev_device*() const {
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return m_device;
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}
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operator udev_device*() {
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return m_device;
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}
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typedef std::unique_ptr<UdevDevice> Ptr;
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private:
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udev_device *m_device;
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};
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class KWIN_EXPORT UdevMonitor
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{
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public:
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explicit UdevMonitor(Udev *udev);
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~UdevMonitor();
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int fd() const;
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bool isValid() const {
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return m_monitor != nullptr;
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}
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void filterSubsystemDevType(const char *subSystem, const char *devType = nullptr);
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void enable();
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UdevDevice::Ptr getDevice();
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private:
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udev_monitor *m_monitor;
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};
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class KWIN_EXPORT Udev
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{
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public:
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Udev();
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~Udev();
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bool isValid() const {
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return m_udev != nullptr;
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}
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std::vector<UdevDevice::Ptr> listGPUs();
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std::vector<UdevDevice::Ptr> listFramebuffers();
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UdevDevice::Ptr deviceFromSyspath(const char *syspath);
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UdevMonitor *monitor();
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operator udev*() const {
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return m_udev;
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}
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operator udev*() {
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return m_udev;
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}
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private:
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struct udev *m_udev;
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};
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}
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#endif
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