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serenity/Kernel/FileSystem/SysFS/Subsystems/Devices/Storage/DeviceDirectory.cpp
Hendiadyoin1 0b649878a5 Kernel: Remove UNMAP_ATER_INIT from StorageDeviceSysFSDirectory
We will need these when plugging in USB drives
2023-09-29 16:14:47 -06:00

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1.9 KiB
C++

/*
* Copyright (c) 2022, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <Kernel/Bus/PCI/API.h>
#include <Kernel/Bus/PCI/Access.h>
#include <Kernel/Devices/Storage/StorageDevice.h>
#include <Kernel/FileSystem/SysFS/Subsystems/Devices/Storage/DeviceAttribute.h>
#include <Kernel/FileSystem/SysFS/Subsystems/Devices/Storage/DeviceDirectory.h>
#include <Kernel/Sections.h>
namespace Kernel {
StorageDevice const& StorageDeviceSysFSDirectory::device(Badge<StorageDeviceAttributeSysFSComponent>) const
{
return *m_device;
}
NonnullRefPtr<StorageDeviceSysFSDirectory> StorageDeviceSysFSDirectory::create(SysFSDirectory const& parent_directory, StorageDevice const& device)
{
// FIXME: Handle allocation failure gracefully
auto lun_address = device.logical_unit_number_address();
auto device_name = MUST(KString::formatted("{:02x}:{:02x}.{}", lun_address.controller_id, lun_address.target_id, lun_address.disk_id));
auto directory = adopt_ref(*new (nothrow) StorageDeviceSysFSDirectory(move(device_name), parent_directory, device));
MUST(directory->m_child_components.with([&](auto& list) -> ErrorOr<void> {
list.append(StorageDeviceAttributeSysFSComponent::must_create(*directory, StorageDeviceAttributeSysFSComponent::Type::EndLBA));
list.append(StorageDeviceAttributeSysFSComponent::must_create(*directory, StorageDeviceAttributeSysFSComponent::Type::SectorSize));
list.append(StorageDeviceAttributeSysFSComponent::must_create(*directory, StorageDeviceAttributeSysFSComponent::Type::CommandSet));
return {};
}));
return directory;
}
StorageDeviceSysFSDirectory::StorageDeviceSysFSDirectory(NonnullOwnPtr<KString> device_directory_name, SysFSDirectory const& parent_directory, StorageDevice const& device)
: SysFSDirectory(parent_directory)
, m_device(device)
, m_device_directory_name(move(device_directory_name))
{
}
}