6ff1aeb64d
This folder in the SysFS code represents everything related to /sys/dev, which is a directory meant to be a convenient interface to track all IDs of all block and character devices (ID = major:minor numbers).
27 lines
968 B
C++
27 lines
968 B
C++
/*
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* Copyright (c) 2022, 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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#include <Kernel/Devices/Device.h>
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#include <Kernel/FileSystem/SysFS/Subsystems/DeviceIdentifiers/DeviceComponent.h>
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#include <Kernel/Sections.h>
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namespace Kernel {
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NonnullRefPtr<SysFSDeviceComponent> SysFSDeviceComponent::must_create(Device const& device)
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{
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// FIXME: Handle allocation failure gracefully
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auto device_name = MUST(KString::formatted("{}:{}", device.major(), device.minor()));
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return adopt_ref_if_nonnull(new SysFSDeviceComponent(move(device_name), device)).release_nonnull();
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}
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SysFSDeviceComponent::SysFSDeviceComponent(NonnullOwnPtr<KString> major_minor_formatted_device_name, Device const& device)
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: SysFSComponent()
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, m_block_device(device.is_block_device())
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, m_major_minor_formatted_device_name(move(major_minor_formatted_device_name))
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{
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VERIFY(device.is_block_device() || device.is_character_device());
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}
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}
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