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Kernel/SysFS: Split bulky SysFSPCI file into separate files

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This commit is contained in:
Liav A 2022-04-22 10:17:13 +03:00 • committed by Andreas Kling
parent e488245234
commit 99bac4f34f
8 changed files with 138 additions and 74 deletions
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4
Kernel/Bus/PCI/Initializer.cpp
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@ -9,7 +9,7 @@
#include <Kernel/Bus/PCI/Access.h>
#include <Kernel/Bus/PCI/Initializer.h>
#include <Kernel/CommandLine.h>
#include <Kernel/FileSystem/SysFS/Subsystems/Bus/PCI/SysFSPCI.h>
#include <Kernel/FileSystem/SysFS/Subsystems/Bus/PCI/BusDirectory.h>
#include <Kernel/Firmware/ACPI/Parser.h>
#include <Kernel/Panic.h>
#include <Kernel/Sections.h>
@ -59,7 +59,7 @@ UNMAP_AFTER_INIT void initialize()
VERIFY_NOT_REACHED();
}
PCI::PCIBusSysFSDirectory::initialize();
PCIBusSysFSDirectory::initialize();
MUST(PCI::enumerate([&](DeviceIdentifier const& device_identifier) {
dmesgln("{} {}", device_identifier.address(), device_identifier.hardware_id());

4
Kernel/CMakeLists.txt
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@ -143,7 +143,9 @@ set(KERNEL_SOURCES
FileSystem/ProcFS.cpp
FileSystem/SysFS.cpp
FileSystem/SysFS/Component.cpp
FileSystem/SysFS/Subsystems/Bus/PCI/SysFSPCI.cpp
FileSystem/SysFS/Subsystems/Bus/PCI/BusDirectory.cpp
FileSystem/SysFS/Subsystems/Bus/PCI/DeviceAttribute.cpp
FileSystem/SysFS/Subsystems/Bus/PCI/DeviceDirectory.cpp
FileSystem/SysFS/Subsystems/Bus/USB/BusDirectory.cpp
FileSystem/SysFS/Subsystems/Bus/USB/DeviceInformation.cpp
FileSystem/SysFS/Subsystems/Firmware/BIOS.cpp

31
Kernel/FileSystem/SysFS/Subsystems/Bus/PCI/BusDirectory.cpp Normal file
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@ -0,0 +1,31 @@
/*
* Copyright (c) 2021, 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/Debug.h>
#include <Kernel/FileSystem/SysFS/Subsystems/Bus/PCI/BusDirectory.h>
#include <Kernel/FileSystem/SysFS/Subsystems/Bus/PCI/DeviceDirectory.h>
#include <Kernel/Sections.h>
namespace Kernel {
UNMAP_AFTER_INIT void PCIBusSysFSDirectory::initialize()
{
auto pci_directory = adopt_ref(*new (nothrow) PCIBusSysFSDirectory());
SysFSComponentRegistry::the().register_new_bus_directory(pci_directory);
}
UNMAP_AFTER_INIT PCIBusSysFSDirectory::PCIBusSysFSDirectory()
: SysFSDirectory(SysFSComponentRegistry::the().buses_directory())
{
MUST(PCI::enumerate([&](PCI::DeviceIdentifier const& device_identifier) {
auto pci_device = PCIDeviceSysFSDirectory::create(*this, device_identifier.address());
m_components.append(pci_device);
}));
}
}

23
Kernel/FileSystem/SysFS/Subsystems/Bus/PCI/BusDirectory.h Normal file
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@ -0,0 +1,23 @@
/*
* Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <Kernel/Bus/PCI/Definitions.h>
#include <Kernel/FileSystem/SysFS.h>
namespace Kernel {
class PCIBusSysFSDirectory final : public SysFSDirectory {
public:
static void initialize();
virtual StringView name() const override { return "pci"sv; }
private:
PCIBusSysFSDirectory();
};
}

48
Kernel/FileSystem/SysFS/Subsystems/Bus/PCI/SysFSPCI.cpp → Kernel/FileSystem/SysFS/Subsystems/Bus/PCI/DeviceAttribute.cpp
View file

@ -7,54 +7,10 @@
#include <Kernel/Bus/PCI/API.h>
#include <Kernel/Bus/PCI/Access.h>
#include <Kernel/Debug.h>
#include <Kernel/FileSystem/SysFS/Subsystems/Bus/PCI/SysFSPCI.h>
#include <Kernel/FileSystem/SysFS/Subsystems/Bus/PCI/DeviceAttribute.h>
#include <Kernel/Sections.h>
namespace Kernel::PCI {
UNMAP_AFTER_INIT NonnullRefPtr<PCIDeviceSysFSDirectory> PCIDeviceSysFSDirectory::create(SysFSDirectory const& parent_directory, Address address)
{
// FIXME: Handle allocation failure gracefully
auto device_name = MUST(KString::formatted("{:04x}:{:02x}:{:02x}.{}", address.domain(), address.bus(), address.device(), address.function()));
return adopt_ref(*new (nothrow) PCIDeviceSysFSDirectory(move(device_name), parent_directory, address));
}
UNMAP_AFTER_INIT PCIDeviceSysFSDirectory::PCIDeviceSysFSDirectory(NonnullOwnPtr<KString> device_directory_name, SysFSDirectory const& parent_directory, Address address)
: SysFSDirectory(parent_directory)
, m_address(address)
, m_device_directory_name(move(device_directory_name))
{
m_components.append(PCIDeviceAttributeSysFSComponent::create(*this, PCI::RegisterOffset::VENDOR_ID, 2));
m_components.append(PCIDeviceAttributeSysFSComponent::create(*this, PCI::RegisterOffset::DEVICE_ID, 2));
m_components.append(PCIDeviceAttributeSysFSComponent::create(*this, PCI::RegisterOffset::CLASS, 1));
m_components.append(PCIDeviceAttributeSysFSComponent::create(*this, PCI::RegisterOffset::SUBCLASS, 1));
m_components.append(PCIDeviceAttributeSysFSComponent::create(*this, PCI::RegisterOffset::REVISION_ID, 1));
m_components.append(PCIDeviceAttributeSysFSComponent::create(*this, PCI::RegisterOffset::PROG_IF, 1));
m_components.append(PCIDeviceAttributeSysFSComponent::create(*this, PCI::RegisterOffset::SUBSYSTEM_VENDOR_ID, 2));
m_components.append(PCIDeviceAttributeSysFSComponent::create(*this, PCI::RegisterOffset::SUBSYSTEM_ID, 2));
m_components.append(PCIDeviceAttributeSysFSComponent::create(*this, PCI::RegisterOffset::BAR0, 4));
m_components.append(PCIDeviceAttributeSysFSComponent::create(*this, PCI::RegisterOffset::BAR1, 4));
m_components.append(PCIDeviceAttributeSysFSComponent::create(*this, PCI::RegisterOffset::BAR2, 4));
m_components.append(PCIDeviceAttributeSysFSComponent::create(*this, PCI::RegisterOffset::BAR3, 4));
m_components.append(PCIDeviceAttributeSysFSComponent::create(*this, PCI::RegisterOffset::BAR4, 4));
m_components.append(PCIDeviceAttributeSysFSComponent::create(*this, PCI::RegisterOffset::BAR5, 4));
}
UNMAP_AFTER_INIT void PCIBusSysFSDirectory::initialize()
{
auto pci_directory = adopt_ref(*new (nothrow) PCIBusSysFSDirectory());
SysFSComponentRegistry::the().register_new_bus_directory(pci_directory);
}
UNMAP_AFTER_INIT PCIBusSysFSDirectory::PCIBusSysFSDirectory()
: SysFSDirectory(SysFSComponentRegistry::the().buses_directory())
{
MUST(PCI::enumerate([&](DeviceIdentifier const& device_identifier) {
auto pci_device = PCI::PCIDeviceSysFSDirectory::create(*this, device_identifier.address());
m_components.append(pci_device);
}));
}
namespace Kernel {
StringView PCIDeviceAttributeSysFSComponent::name() const
{

27
Kernel/FileSystem/SysFS/Subsystems/Bus/PCI/SysFSPCI.h → Kernel/FileSystem/SysFS/Subsystems/Bus/PCI/DeviceAttribute.h
View file

@ -9,32 +9,9 @@
#include <AK/Vector.h>
#include <Kernel/Bus/PCI/Definitions.h>
#include <Kernel/FileSystem/SysFS.h>
#include <Kernel/FileSystem/SysFS/Subsystems/Bus/PCI/DeviceDirectory.h>
namespace Kernel::PCI {
class PCIBusSysFSDirectory final : public SysFSDirectory {
public:
static void initialize();
virtual StringView name() const override { return "pci"sv; }
private:
PCIBusSysFSDirectory();
};
class PCIDeviceSysFSDirectory final : public SysFSDirectory {
public:
static NonnullRefPtr<PCIDeviceSysFSDirectory> create(SysFSDirectory const&, Address);
Address const& address() const { return m_address; }
virtual StringView name() const override { return m_device_directory_name->view(); }
private:
PCIDeviceSysFSDirectory(NonnullOwnPtr<KString> device_directory_name, SysFSDirectory const&, Address);
Address m_address;
NonnullOwnPtr<KString> m_device_directory_name;
};
namespace Kernel {
class PCIDeviceAttributeSysFSComponent : public SysFSComponent {
public:

45
Kernel/FileSystem/SysFS/Subsystems/Bus/PCI/DeviceDirectory.cpp Normal file
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@ -0,0 +1,45 @@
/*
* Copyright (c) 2021, 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/Debug.h>
#include <Kernel/FileSystem/SysFS/Subsystems/Bus/PCI/DeviceAttribute.h>
#include <Kernel/FileSystem/SysFS/Subsystems/Bus/PCI/DeviceDirectory.h>
#include <Kernel/Sections.h>
namespace Kernel {
UNMAP_AFTER_INIT NonnullRefPtr<PCIDeviceSysFSDirectory> PCIDeviceSysFSDirectory::create(SysFSDirectory const& parent_directory, PCI::Address address)
{
// FIXME: Handle allocation failure gracefully
auto device_name = MUST(KString::formatted("{:04x}:{:02x}:{:02x}.{}", address.domain(), address.bus(), address.device(), address.function()));
return adopt_ref(*new (nothrow) PCIDeviceSysFSDirectory(move(device_name), parent_directory, address));
}
UNMAP_AFTER_INIT PCIDeviceSysFSDirectory::PCIDeviceSysFSDirectory(NonnullOwnPtr<KString> device_directory_name, SysFSDirectory const& parent_directory, PCI::Address address)
: SysFSDirectory(parent_directory)
, m_address(address)
, m_device_directory_name(move(device_directory_name))
{
m_components.append(PCIDeviceAttributeSysFSComponent::create(*this, PCI::RegisterOffset::VENDOR_ID, 2));
m_components.append(PCIDeviceAttributeSysFSComponent::create(*this, PCI::RegisterOffset::DEVICE_ID, 2));
m_components.append(PCIDeviceAttributeSysFSComponent::create(*this, PCI::RegisterOffset::CLASS, 1));
m_components.append(PCIDeviceAttributeSysFSComponent::create(*this, PCI::RegisterOffset::SUBCLASS, 1));
m_components.append(PCIDeviceAttributeSysFSComponent::create(*this, PCI::RegisterOffset::REVISION_ID, 1));
m_components.append(PCIDeviceAttributeSysFSComponent::create(*this, PCI::RegisterOffset::PROG_IF, 1));
m_components.append(PCIDeviceAttributeSysFSComponent::create(*this, PCI::RegisterOffset::SUBSYSTEM_VENDOR_ID, 2));
m_components.append(PCIDeviceAttributeSysFSComponent::create(*this, PCI::RegisterOffset::SUBSYSTEM_ID, 2));
m_components.append(PCIDeviceAttributeSysFSComponent::create(*this, PCI::RegisterOffset::BAR0, 4));
m_components.append(PCIDeviceAttributeSysFSComponent::create(*this, PCI::RegisterOffset::BAR1, 4));
m_components.append(PCIDeviceAttributeSysFSComponent::create(*this, PCI::RegisterOffset::BAR2, 4));
m_components.append(PCIDeviceAttributeSysFSComponent::create(*this, PCI::RegisterOffset::BAR3, 4));
m_components.append(PCIDeviceAttributeSysFSComponent::create(*this, PCI::RegisterOffset::BAR4, 4));
m_components.append(PCIDeviceAttributeSysFSComponent::create(*this, PCI::RegisterOffset::BAR5, 4));
}
}

30
Kernel/FileSystem/SysFS/Subsystems/Bus/PCI/DeviceDirectory.h Normal file
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@ -0,0 +1,30 @@
/*
* Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <Kernel/Bus/PCI/Definitions.h>
#include <Kernel/FileSystem/SysFS.h>
#include <Kernel/KString.h>
namespace Kernel {
class PCIDeviceSysFSDirectory final : public SysFSDirectory {
public:
static NonnullRefPtr<PCIDeviceSysFSDirectory> create(SysFSDirectory const&, PCI::Address);
PCI::Address const& address() const { return m_address; }
virtual StringView name() const override { return m_device_directory_name->view(); }
private:
PCIDeviceSysFSDirectory(NonnullOwnPtr<KString> device_directory_name, SysFSDirectory const&, PCI::Address);
PCI::Address m_address;
NonnullOwnPtr<KString> m_device_directory_name;
};
}