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https://github.com/RGBCube/serenity
synced 2025-07-27 16:57:46 +00:00
Kernel: Make self-contained locking smart pointers their own classes
Until now, our kernel has reimplemented a number of AK classes to provide automatic internal locking: - RefPtr - NonnullRefPtr - WeakPtr - Weakable This patch renames the Kernel classes so that they can coexist with the original AK classes: - RefPtr => LockRefPtr - NonnullRefPtr => NonnullLockRefPtr - WeakPtr => LockWeakPtr - Weakable => LockWeakable The goal here is to eventually get rid of the Lock* classes in favor of using external locking.
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parent
e475263113
commit
11eee67b85
360 changed files with 1703 additions and 1672 deletions
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@ -11,10 +11,10 @@ namespace Kernel::Graphics::VirtIOGPU {
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constexpr static AK::Time refresh_interval = AK::Time::from_milliseconds(16);
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NonnullRefPtr<Console> Console::initialize(VirtIODisplayConnector& parent_display_connector)
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NonnullLockRefPtr<Console> Console::initialize(VirtIODisplayConnector& parent_display_connector)
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{
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auto current_resolution = parent_display_connector.current_mode_setting();
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return adopt_ref(*new Console(parent_display_connector, current_resolution));
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return adopt_lock_ref(*new Console(parent_display_connector, current_resolution));
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}
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Console::Console(VirtIODisplayConnector const& parent_display_connector, DisplayConnector::ModeSetting current_resolution)
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@ -36,7 +36,7 @@ void Console::flush(size_t, size_t, size_t, size_t)
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void Console::enqueue_refresh_timer()
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{
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NonnullRefPtr<Timer> refresh_timer = adopt_ref(*new Timer());
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NonnullLockRefPtr<Timer> refresh_timer = adopt_lock_ref(*new Timer());
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refresh_timer->setup(CLOCK_MONOTONIC, refresh_interval, [this]() {
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if (m_enabled.load() && m_dirty) {
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MUST(g_io_work->try_queue([this]() {
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@ -14,7 +14,7 @@ namespace Kernel::Graphics::VirtIOGPU {
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class Console final : public GenericFramebufferConsole {
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public:
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static NonnullRefPtr<Console> initialize(VirtIODisplayConnector& parent_display_connector);
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static NonnullLockRefPtr<Console> initialize(VirtIODisplayConnector& parent_display_connector);
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virtual void set_resolution(size_t width, size_t height, size_t pitch) override;
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virtual void flush(size_t x, size_t y, size_t width, size_t height) override;
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@ -25,7 +25,7 @@ private:
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virtual u8* framebuffer_data() override;
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Console(VirtIODisplayConnector const& parent_display_connector, DisplayConnector::ModeSetting current_resolution);
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NonnullRefPtr<VirtIODisplayConnector> m_parent_display_connector;
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NonnullLockRefPtr<VirtIODisplayConnector> m_parent_display_connector;
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bool m_dirty { false };
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};
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@ -15,7 +15,7 @@
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namespace Kernel {
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NonnullRefPtr<VirtIODisplayConnector> VirtIODisplayConnector::must_create(VirtIOGraphicsAdapter& graphics_adapter, Graphics::VirtIOGPU::ScanoutID scanout_id)
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NonnullLockRefPtr<VirtIODisplayConnector> VirtIODisplayConnector::must_create(VirtIOGraphicsAdapter& graphics_adapter, Graphics::VirtIOGPU::ScanoutID scanout_id)
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{
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auto device_or_error = DeviceManagement::try_create_device<VirtIODisplayConnector>(graphics_adapter, scanout_id);
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VERIFY(!device_or_error.is_error());
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@ -30,7 +30,7 @@ class VirtIODisplayConnector final : public DisplayConnector {
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friend class DeviceManagement;
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public:
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static NonnullRefPtr<VirtIODisplayConnector> must_create(VirtIOGraphicsAdapter& graphics_adapter, Graphics::VirtIOGPU::ScanoutID scanout_id);
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static NonnullLockRefPtr<VirtIODisplayConnector> must_create(VirtIOGraphicsAdapter& graphics_adapter, Graphics::VirtIOGPU::ScanoutID scanout_id);
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void set_edid_bytes(Badge<VirtIOGraphicsAdapter>, Array<u8, 128> const& edid_bytes);
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void set_safe_mode_setting_after_initialization(Badge<VirtIOGraphicsAdapter>);
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@ -81,8 +81,8 @@ private:
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// Context used for kernel operations (e.g. flushing resources to scanout)
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Graphics::VirtIOGPU::ContextID m_kernel_context_id;
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NonnullRefPtr<VirtIOGraphicsAdapter> m_graphics_adapter;
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RefPtr<Graphics::Console> m_console;
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NonnullLockRefPtr<VirtIOGraphicsAdapter> m_graphics_adapter;
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LockRefPtr<Graphics::Console> m_console;
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Graphics::VirtIOGPU::Protocol::DisplayInfoResponse::Display m_display_info {};
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Graphics::VirtIOGPU::ScanoutID m_scanout_id;
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@ -21,7 +21,7 @@ VirtIOGPU3DDevice::PerContextState::PerContextState(Graphics::VirtIOGPU::Context
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{
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}
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NonnullRefPtr<VirtIOGPU3DDevice> VirtIOGPU3DDevice::must_create(VirtIOGraphicsAdapter const& adapter)
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NonnullLockRefPtr<VirtIOGPU3DDevice> VirtIOGPU3DDevice::must_create(VirtIOGraphicsAdapter const& adapter)
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{
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// Setup memory transfer region
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auto region_result = MM.allocate_kernel_region(
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@ -48,7 +48,7 @@ void VirtIOGPU3DDevice::detach(OpenFileDescription& description)
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CharacterDevice::detach(description);
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}
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ErrorOr<RefPtr<VirtIOGPU3DDevice::PerContextState>> VirtIOGPU3DDevice::get_context_for_description(OpenFileDescription& description)
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ErrorOr<LockRefPtr<VirtIOGPU3DDevice::PerContextState>> VirtIOGPU3DDevice::get_context_for_description(OpenFileDescription& description)
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{
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auto res = m_context_state_lookup.get(&description);
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if (!res.has_value())
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@ -66,7 +66,7 @@ ErrorOr<void> VirtIOGPU3DDevice::ioctl(OpenFileDescription& description, unsigne
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SpinlockLocker locker(m_graphics_adapter->operation_lock());
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// TODO: Delete the context if it fails to be set in m_context_state_lookup
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auto context_id = m_graphics_adapter->create_context();
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RefPtr<PerContextState> per_context_state = TRY(PerContextState::try_create(context_id));
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LockRefPtr<PerContextState> per_context_state = TRY(PerContextState::try_create(context_id));
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TRY(m_context_state_lookup.try_set(&description, per_context_state));
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return {};
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}
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@ -95,21 +95,21 @@ class VirtIOGPU3DDevice : public CharacterDevice {
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friend class DeviceManagement;
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public:
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static NonnullRefPtr<VirtIOGPU3DDevice> must_create(VirtIOGraphicsAdapter const&);
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static NonnullLockRefPtr<VirtIOGPU3DDevice> must_create(VirtIOGraphicsAdapter const&);
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private:
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VirtIOGPU3DDevice(VirtIOGraphicsAdapter const& graphics_adapter, NonnullOwnPtr<Memory::Region> transfer_buffer_region);
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class PerContextState final : public AtomicRefCounted<PerContextState> {
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public:
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static ErrorOr<RefPtr<PerContextState>> try_create(Graphics::VirtIOGPU::ContextID context_id)
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static ErrorOr<LockRefPtr<PerContextState>> try_create(Graphics::VirtIOGPU::ContextID context_id)
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{
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auto region_result = TRY(MM.allocate_kernel_region(
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NUM_TRANSFER_REGION_PAGES * PAGE_SIZE,
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"VIRGL3D userspace upload buffer"sv,
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Memory::Region::Access::ReadWrite,
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AllocationStrategy::AllocateNow));
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return TRY(adopt_nonnull_ref_or_enomem(new (nothrow) PerContextState(context_id, move(region_result))));
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return TRY(adopt_nonnull_lock_ref_or_enomem(new (nothrow) PerContextState(context_id, move(region_result))));
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}
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Graphics::VirtIOGPU::ContextID context_id() { return m_context_id; }
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Memory::Region& transfer_buffer_region() { return *m_transfer_buffer_region; }
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@ -131,12 +131,12 @@ private:
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virtual void detach(OpenFileDescription&) override;
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private:
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ErrorOr<RefPtr<PerContextState>> get_context_for_description(OpenFileDescription&);
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ErrorOr<LockRefPtr<PerContextState>> get_context_for_description(OpenFileDescription&);
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NonnullRefPtr<VirtIOGraphicsAdapter> m_graphics_adapter;
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NonnullLockRefPtr<VirtIOGraphicsAdapter> m_graphics_adapter;
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// Context used for kernel operations (e.g. flushing resources to scanout)
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Graphics::VirtIOGPU::ContextID m_kernel_context_id;
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HashMap<OpenFileDescription*, RefPtr<PerContextState>> m_context_state_lookup;
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HashMap<OpenFileDescription*, LockRefPtr<PerContextState>> m_context_state_lookup;
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// Memory management for backing buffers
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NonnullOwnPtr<Memory::Region> m_transfer_buffer_region;
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constexpr static size_t NUM_TRANSFER_REGION_PAGES = 256;
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@ -21,7 +21,7 @@ namespace Kernel {
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#define DEVICE_EVENTS_CLEAR 0x4
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#define DEVICE_NUM_SCANOUTS 0x8
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NonnullRefPtr<VirtIOGraphicsAdapter> VirtIOGraphicsAdapter::initialize(PCI::DeviceIdentifier const& device_identifier)
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NonnullLockRefPtr<VirtIOGraphicsAdapter> VirtIOGraphicsAdapter::initialize(PCI::DeviceIdentifier const& device_identifier)
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{
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VERIFY(device_identifier.hardware_id().vendor_id == PCI::VendorID::VirtIO);
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// Setup memory transfer region
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@ -30,7 +30,7 @@ NonnullRefPtr<VirtIOGraphicsAdapter> VirtIOGraphicsAdapter::initialize(PCI::Devi
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"VirtGPU Scratch Space"sv,
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Memory::Region::Access::ReadWrite));
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auto adapter = adopt_ref(*new (nothrow) VirtIOGraphicsAdapter(device_identifier, move(scratch_space_region)));
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auto adapter = adopt_lock_ref(*new (nothrow) VirtIOGraphicsAdapter(device_identifier, move(scratch_space_region)));
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adapter->initialize();
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MUST(adapter->initialize_adapter());
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return adapter;
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@ -37,7 +37,7 @@ class VirtIOGraphicsAdapter final
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friend class VirtIOGPU3DDevice;
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public:
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static NonnullRefPtr<VirtIOGraphicsAdapter> initialize(PCI::DeviceIdentifier const&);
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static NonnullLockRefPtr<VirtIOGraphicsAdapter> initialize(PCI::DeviceIdentifier const&);
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virtual void initialize() override;
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void initialize_3d_device();
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@ -63,7 +63,7 @@ private:
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Graphics::VirtIOGPU::ResourceID resource_id { 0 };
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};
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RefPtr<VirtIODisplayConnector> display_connector;
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LockRefPtr<VirtIODisplayConnector> display_connector;
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PhysicalBuffer main_buffer;
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PhysicalBuffer back_buffer;
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};
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@ -119,7 +119,7 @@ private:
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// Note: Resource ID 0 is invalid, and we must not allocate 0 as the first resource ID.
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Atomic<u32> m_resource_id_counter { 1 };
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Atomic<u32> m_context_id_counter { 1 };
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RefPtr<VirtIOGPU3DDevice> m_3d_device;
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LockRefPtr<VirtIOGPU3DDevice> m_3d_device;
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bool m_has_virgl_support { false };
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// Synchronous commands
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