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75f01692b4
Let's put the power_state global node into the /sys/kernel directory, because that directory represents all global nodes and variables being related to the Kernel. It's also a mutable node, that is more acceptable being in the mentioned directory due to the fact that all other files in the /sys/firmware directory are just firmware blobs and are not mutable at all.
39 lines
1.1 KiB
C++
39 lines
1.1 KiB
C++
/*
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* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Types.h>
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#include <AK/Vector.h>
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#include <Kernel/FileSystem/SysFS.h>
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#include <Kernel/FileSystem/SysFS/Subsystems/Kernel/Directory.h>
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#include <Kernel/KBuffer.h>
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#include <Kernel/Library/LockRefPtr.h>
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#include <Kernel/Memory/MappedROM.h>
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#include <Kernel/Memory/Region.h>
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#include <Kernel/PhysicalAddress.h>
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#include <Kernel/VirtualAddress.h>
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namespace Kernel {
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class SysFSPowerStateSwitchNode final : public SysFSComponent {
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public:
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virtual StringView name() const override { return "power_state"sv; }
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static NonnullLockRefPtr<SysFSPowerStateSwitchNode> must_create(SysFSDirectory const&);
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virtual mode_t permissions() const override;
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virtual ErrorOr<size_t> write_bytes(off_t, size_t, UserOrKernelBuffer const&, OpenFileDescription*) override;
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virtual ErrorOr<void> truncate(u64) override;
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private:
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explicit SysFSPowerStateSwitchNode(SysFSDirectory const&);
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void reboot();
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void poweroff();
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};
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}
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