mirror of
https://github.com/SerenityOS/serenity
synced 2024-10-15 04:13:11 +00:00
Kernel/PCI: Cache more details about PCI devices when enumerating them
There's no good reason to fetch these values each time we need them.
This commit is contained in:
parent
e22d9dc360
commit
82bb08a15c
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@ -17,7 +17,7 @@ u8 read8(Address address, u32 field) { return Access::the().read8_field(address,
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u16 read16(Address address, u32 field) { return Access::the().read16_field(address, field); }
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u32 read32(Address address, u32 field) { return Access::the().read32_field(address, field); }
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void enumerate(Function<void(Address, ID)> callback)
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void enumerate(Function<void(Address, PhysicalID const&)> callback)
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{
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Access::the().fast_enumerate(callback);
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}
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@ -19,7 +19,7 @@ u32 read32(Address address, u32 field);
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ID get_id(PCI::Address);
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bool is_io_space_enabled(Address);
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void enumerate(Function<void(Address, ID)> callback);
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void enumerate(Function<void(Address, PhysicalID const&)> callback);
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void enable_interrupt_line(Address);
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void disable_interrupt_line(Address);
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u8 get_interrupt_line(Address);
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@ -381,7 +381,14 @@ UNMAP_AFTER_INIT void Access::enumerate_functions(int type, u8 bus, u8 device, u
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Address address(0, bus, device, function);
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auto read_type = (read8_field(address, PCI_CLASS) << 8u) | read8_field(address, PCI_SUBCLASS);
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if (type == -1 || type == read_type) {
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m_physical_ids.append(PhysicalID { address, { read16_field(address, PCI_VENDOR_ID), read16_field(address, PCI_DEVICE_ID) }, get_capabilities(address) });
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PCI::ID id = { read16_field(address, PCI_VENDOR_ID), read16_field(address, PCI_DEVICE_ID) };
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ClassCode class_code = read8_field(address, PCI_CLASS);
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SubclassCode subclass_code = read8_field(address, PCI_SUBCLASS);
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ProgrammingInterface prog_if = read8_field(address, PCI_PROG_IF);
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RevisionID revision_id = read8_field(address, PCI_REVISION_ID);
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SubsystemID subsystem_id = read16_field(address, PCI_SUBSYSTEM_ID);
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SubsystemVendorID subsystem_vendor_id = read16_field(address, PCI_SUBSYSTEM_VENDOR_ID);
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m_physical_ids.append(PhysicalID { address, id, revision_id, class_code, subclass_code, prog_if, subsystem_id, subsystem_vendor_id, get_capabilities(address) });
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}
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if (read_type == PCI_TYPE_BRIDGE && recursive && (!m_enumerated_buses.get(read8_field(address, PCI_SECONDARY_BUS)))) {
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@ -416,12 +423,12 @@ UNMAP_AFTER_INIT void Access::enumerate_bus(int type, u8 bus, bool recursive)
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enumerate_device(type, bus, device, recursive);
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}
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void Access::fast_enumerate(Function<void(Address, ID)>& callback) const
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void Access::fast_enumerate(Function<void(Address, PhysicalID const&)>& callback) const
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{
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MutexLocker locker(m_scan_lock);
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VERIFY(!m_physical_ids.is_empty());
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for (auto& physical_id : m_physical_ids) {
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callback(physical_id.address(), physical_id.id());
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callback(physical_id.address(), physical_id);
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}
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}
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@ -25,7 +25,7 @@ public:
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static bool initialize_for_memory_access(PhysicalAddress mcfg_table);
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static bool initialize_for_io_access();
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void fast_enumerate(Function<void(Address, ID)>&) const;
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void fast_enumerate(Function<void(Address, PhysicalID const&)>&) const;
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void rescan_hardware();
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static Access& the();
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@ -181,11 +181,25 @@ private:
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const u8 m_ptr;
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};
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TYPEDEF_DISTINCT_ORDERED_ID(u8, ClassCode);
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TYPEDEF_DISTINCT_ORDERED_ID(u8, SubclassCode);
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TYPEDEF_DISTINCT_ORDERED_ID(u8, ProgrammingInterface);
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TYPEDEF_DISTINCT_ORDERED_ID(u8, RevisionID);
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TYPEDEF_DISTINCT_ORDERED_ID(u16, SubsystemID);
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TYPEDEF_DISTINCT_ORDERED_ID(u16, SubsystemVendorID);
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class Access;
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class PhysicalID {
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public:
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PhysicalID(Address address, ID id, Vector<Capability> capabilities)
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PhysicalID(Address address, ID id, RevisionID revision_id, ClassCode class_code, SubclassCode subclass_code, ProgrammingInterface prog_if, SubsystemID subsystem_id, SubsystemVendorID subsystem_vendor_id, Vector<Capability> capabilities)
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: m_address(address)
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, m_id(id)
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, m_revision_id(revision_id)
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, m_class_code(class_code)
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, m_subclass_code(subclass_code)
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, m_prog_if(prog_if)
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, m_subsystem_id(subsystem_id)
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, m_subsystem_vendor_id(subsystem_vendor_id)
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, m_capabilities(capabilities)
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{
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if constexpr (PCI_DEBUG) {
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@ -198,13 +212,36 @@ public:
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const ID& id() const { return m_id; }
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const Address& address() const { return m_address; }
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RevisionID revision_id() const { return m_revision_id; }
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ClassCode class_code() const { return m_class_code; }
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SubclassCode subclass_code() const { return m_subclass_code; }
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ProgrammingInterface prog_if() const { return m_prog_if; }
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SubsystemID subsystem_id() const { return m_subsystem_id; }
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SubsystemVendorID subsystem_vendor_id() const { return m_subsystem_vendor_id; }
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void apply_subclass_code_change(Badge<Access>, SubclassCode new_subclass)
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{
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m_subclass_code = new_subclass;
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}
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void apply_prog_if_change(Badge<Access>, ProgrammingInterface new_progif)
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{
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m_prog_if = new_progif;
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}
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private:
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Address m_address;
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ID m_id;
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RevisionID m_revision_id;
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ClassCode m_class_code;
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SubclassCode m_subclass_code;
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ProgrammingInterface m_prog_if;
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SubsystemID m_subsystem_id;
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SubsystemVendorID m_subsystem_vendor_id;
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Vector<Capability> m_capabilities;
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};
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class Access;
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class Domain;
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class Device;
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}
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@ -56,8 +56,8 @@ UNMAP_AFTER_INIT void initialize()
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PCI::PCIBusSysFSDirectory::initialize();
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PCI::enumerate([&](const Address& address, ID id) {
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dmesgln("{} {}", address, id);
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PCI::enumerate([&](const Address& address, PhysicalID const& physical_id) {
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dmesgln("{} {}", address, physical_id.id());
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});
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}
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@ -41,7 +41,7 @@ UNMAP_AFTER_INIT void PCIBusSysFSDirectory::initialize()
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UNMAP_AFTER_INIT PCIBusSysFSDirectory::PCIBusSysFSDirectory()
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: SysFSDirectory("pci", SysFSComponentRegistry::the().buses_directory())
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{
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PCI::enumerate([&](const Address& address, ID) {
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PCI::enumerate([&](const Address& address, PhysicalID const&) {
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auto pci_device = PCI::PCIDeviceSysFSDirectory::create(*this, address);
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m_components.append(pci_device);
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});
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@ -27,10 +27,10 @@ UNMAP_AFTER_INIT void USBManagement::enumerate_controllers()
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if (kernel_command_line().disable_usb())
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return;
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PCI::enumerate([this](PCI::Address const& address, PCI::ID) {
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if (!(PCI::get_class(address) == 0xc && PCI::get_subclass(address) == 0x3))
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PCI::enumerate([this](PCI::Address const& address, PCI::PhysicalID const& physical_id) {
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if (!(physical_id.class_code().value() == 0xc && physical_id.subclass_code().value() == 0x3))
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return;
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if (PCI::get_programming_interface(address) == 0x0) {
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if (physical_id.prog_if().value() == 0x0) {
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if (kernel_command_line().disable_uhci_controller())
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return;
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@ -40,22 +40,22 @@ UNMAP_AFTER_INIT void USBManagement::enumerate_controllers()
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return;
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}
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if (PCI::get_programming_interface(address) == 0x10) {
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if (physical_id.prog_if().value() == 0x10) {
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dmesgln("USBManagement: OHCI controller found at {} is not currently supported.", address);
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return;
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}
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if (PCI::get_programming_interface(address) == 0x20) {
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if (physical_id.prog_if().value() == 0x20) {
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dmesgln("USBManagement: EHCI controller found at {} is not currently supported.", address);
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return;
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}
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if (PCI::get_programming_interface(address) == 0x30) {
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if (physical_id.prog_if().value() == 0x30) {
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dmesgln("USBManagement: xHCI controller found at {} is not currently supported.", address);
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return;
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}
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dmesgln("USBManagement: Unknown/unsupported controller at {} with programming interface 0x{:02x}", address, PCI::get_programming_interface(address));
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dmesgln("USBManagement: Unknown/unsupported controller at {} with programming interface 0x{:02x}", address, physical_id.prog_if().value());
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});
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}
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@ -18,13 +18,13 @@ UNMAP_AFTER_INIT void detect()
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{
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if (kernel_command_line().disable_virtio())
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return;
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PCI::enumerate([&](const PCI::Address& address, PCI::ID id) {
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if (address.is_null() || id.is_null())
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PCI::enumerate([&](const PCI::Address& address, PCI::PhysicalID const& physical_id) {
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if (address.is_null() || physical_id.id().is_null())
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return;
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// TODO: We should also be checking that the device_id is in between 0x1000 - 0x107F inclusive
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if (id.vendor_id != PCI::VendorID::VirtIO)
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if (physical_id.id().vendor_id != PCI::VendorID::VirtIO)
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return;
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switch (id.device_id) {
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switch (physical_id.id().device_id) {
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case PCI::DeviceID::VirtIOConsole: {
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auto& console = Console::must_create(address).leak_ref();
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console.initialize();
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@ -40,7 +40,7 @@ UNMAP_AFTER_INIT void detect()
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break;
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}
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default:
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dbgln_if(VIRTIO_DEBUG, "VirtIO: Unknown VirtIO device with ID: {}", id.device_id);
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dbgln_if(VIRTIO_DEBUG, "VirtIO: Unknown VirtIO device with ID: {}", physical_id.id().device_id);
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break;
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}
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});
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@ -15,12 +15,12 @@ static SerialDevice* s_the = nullptr;
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UNMAP_AFTER_INIT void PCISerialDevice::detect()
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{
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size_t current_device_minor = 68;
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PCI::enumerate([&](const PCI::Address& address, PCI::ID id) {
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PCI::enumerate([&](const PCI::Address& address, PCI::PhysicalID const& physical_id) {
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if (address.is_null())
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return;
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for (auto& board_definition : board_definitions) {
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if (board_definition.device_id != id)
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if (board_definition.device_id != physical_id.id())
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continue;
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auto bar_base = PCI::get_BAR(address, board_definition.pci_bar) & ~1;
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@ -614,19 +614,19 @@ private:
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virtual KResult try_generate(KBufferBuilder& builder) override
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{
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JsonArraySerializer array { builder };
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PCI::enumerate([&array](PCI::Address address, PCI::ID id) {
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PCI::enumerate([&array](PCI::Address address, PCI::PhysicalID const& physical_id) {
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auto obj = array.add_object();
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obj.add("domain", address.domain());
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obj.add("bus", address.bus());
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obj.add("device", address.device());
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obj.add("function", address.function());
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obj.add("vendor_id", id.vendor_id);
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obj.add("device_id", id.device_id);
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obj.add("revision_id", PCI::get_revision_id(address));
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obj.add("subclass", PCI::get_subclass(address));
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obj.add("class", PCI::get_class(address));
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obj.add("subsystem_id", PCI::get_subsystem_id(address));
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obj.add("subsystem_vendor_id", PCI::get_subsystem_vendor_id(address));
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obj.add("vendor_id", physical_id.id().vendor_id);
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obj.add("device_id", physical_id.id().device_id);
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obj.add("revision_id", physical_id.revision_id().value());
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obj.add("subclass", physical_id.subclass_code().value());
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obj.add("class", physical_id.class_code().value());
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obj.add("subsystem_id", physical_id.subsystem_id().value());
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obj.add("subsystem_vendor_id", physical_id.subsystem_vendor_id().value());
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});
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array.finish();
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return KSuccess;
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@ -179,13 +179,13 @@ UNMAP_AFTER_INIT bool GraphicsManagement::initialize()
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dbgln("Forcing no initialization of framebuffer devices");
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}
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PCI::enumerate([&](const PCI::Address& address, PCI::ID id) {
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PCI::enumerate([&](const PCI::Address& address, PCI::PhysicalID const& physical_id) {
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// Note: Each graphics controller will try to set its native screen resolution
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// upon creation. Later on, if we don't want to have framebuffer devices, a
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// framebuffer console will take the control instead.
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if (!is_vga_compatible_pci_device(address) && !is_display_controller_pci_device(address))
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return;
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determine_and_initialize_graphics_device(address, id);
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determine_and_initialize_graphics_device(address, physical_id.id());
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});
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if (m_graphics_devices.is_empty()) {
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@ -91,9 +91,9 @@ UNMAP_AFTER_INIT RefPtr<NetworkAdapter> NetworkingManagement::determine_network_
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bool NetworkingManagement::initialize()
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{
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if (!kernel_command_line().is_physical_networking_disabled()) {
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PCI::enumerate([&](const PCI::Address& address, PCI::ID) {
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PCI::enumerate([&](const PCI::Address& address, PCI::PhysicalID const& physical_id) {
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// Note: PCI class 2 is the class of Network devices
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if (PCI::get_class(address) != 0x02)
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if (physical_id.class_code().value() != 0x02)
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return;
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if (auto adapter = determine_network_device(address); !adapter.is_null())
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m_adapters.append(adapter.release_nonnull());
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@ -44,14 +44,14 @@ UNMAP_AFTER_INIT void StorageManagement::enumerate_controllers(bool force_pio)
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VERIFY(m_controllers.is_empty());
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if (!kernel_command_line().disable_physical_storage()) {
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if (kernel_command_line().is_ide_enabled()) {
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PCI::enumerate([&](const PCI::Address& address, PCI::ID) {
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if (PCI::get_class(address) == PCI_MASS_STORAGE_CLASS_ID && PCI::get_subclass(address) == PCI_IDE_CTRL_SUBCLASS_ID) {
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PCI::enumerate([&](const PCI::Address& address, PCI::PhysicalID const& physical_id) {
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if (physical_id.class_code().value() == PCI_MASS_STORAGE_CLASS_ID && physical_id.subclass_code().value() == PCI_IDE_CTRL_SUBCLASS_ID) {
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m_controllers.append(IDEController::initialize(address, force_pio));
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}
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});
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}
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PCI::enumerate([&](const PCI::Address& address, PCI::ID) {
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if (PCI::get_class(address) == PCI_MASS_STORAGE_CLASS_ID && PCI::get_subclass(address) == PCI_SATA_CTRL_SUBCLASS_ID && PCI::get_programming_interface(address) == PCI_AHCI_IF_PROGIF) {
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PCI::enumerate([&](const PCI::Address& address, PCI::PhysicalID const& physical_id) {
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if (physical_id.class_code().value() == PCI_MASS_STORAGE_CLASS_ID && physical_id.subclass_code().value() == PCI_SATA_CTRL_SUBCLASS_ID && physical_id.prog_if().value() == PCI_AHCI_IF_PROGIF) {
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m_controllers.append(AHCIController::initialize(address));
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}
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});
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