mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2025-05-24 19:54:22 -04:00
tipc/sm: update more fully for 13.0.0 changes
This commit is contained in:
Michael Scire
parent
ca25a884b5
commit
891fa32bf1
10 changed files with 357 additions and 309 deletions
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@ -18,6 +18,7 @@
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#include <stratosphere/tipc/tipc_common.hpp>
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#include <stratosphere/tipc/tipc_service_object.hpp>
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#include <stratosphere/tipc/tipc_object_manager.hpp>
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#include <stratosphere/tipc/tipc_deferral_manager.hpp>
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namespace ams::tipc {
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@ -25,69 +26,51 @@ namespace ams::tipc {
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struct PortMeta {
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static constexpr inline size_t MaxSessions = NumSessions;
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static constexpr bool CanDeferInvokeRequest = IsDeferrable<Impl>;
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using ServiceObject = tipc::ServiceObject<Interface, Impl>;
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using Allocator = _Allocator<ServiceObject, NumSessions>;
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};
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struct DummyDeferralManager{
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struct Key{};
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};
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struct DummyDeferralManagerBase{};
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class PortManagerInterface {
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public:
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virtual Result ProcessRequest(ObjectHolder &object) = 0;
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};
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template<size_t N>
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struct DummyDeferralManager : public DummyDeferralManagerBase {};
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template<typename DeferralManagerType, size_t ThreadStackSize, typename... PortInfos>
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template<size_t ThreadStackSize, typename... PortInfos>
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class ServerManagerImpl {
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private:
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static constexpr inline size_t NumPorts = sizeof...(PortInfos);
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static constexpr inline size_t MaxSessions = (PortInfos::MaxSessions + ...);
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/* Verify that we have at least one port. */
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static_assert(NumPorts > 0);
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/* Verify that it's possible to service this many sessions, with our port manager count. */
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static_assert(MaxSessions <= NumPorts * svc::ArgumentHandleCountMax);
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static_assert(util::IsAligned(ThreadStackSize, os::ThreadStackAlignment));
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alignas(os::ThreadStackAlignment) static constinit inline u8 s_port_stacks[ThreadStackSize * (NumPorts - 1)];
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static constexpr inline bool IsDeferralSupported = !std::same_as<DeferralManagerType, DummyDeferralManager>;
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using ResumeKey = typename DeferralManagerType::Key;
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static constexpr ALWAYS_INLINE uintptr_t ConvertKeyToMessage(ResumeKey key) {
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static_assert(sizeof(key) <= sizeof(uintptr_t));
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static_assert(std::is_trivial<ResumeKey>::value);
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if constexpr (sizeof(key) == sizeof(uintptr_t)) {
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return std::bit_cast<uintptr_t>(key);
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} else {
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uintptr_t converted = 0;
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std::memcpy(std::addressof(converted), std::addressof(key), sizeof(key));
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return converted;
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}
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}
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static constexpr ALWAYS_INLINE ResumeKey ConvertMessageToKey(uintptr_t message) {
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static_assert(sizeof(ResumeKey) <= sizeof(uintptr_t));
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static_assert(std::is_trivial<ResumeKey>::value);
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if constexpr (sizeof(ResumeKey) == sizeof(uintptr_t)) {
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return std::bit_cast<ResumeKey>(message);
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} else {
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ResumeKey converted = {};
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std::memcpy(std::addressof(converted), std::addressof(message), sizeof(converted));
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return converted;
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}
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}
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template<size_t Ix> requires (Ix < NumPorts)
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static constexpr inline size_t SessionsPerPortManager = (Ix == NumPorts - 1) ? ((MaxSessions / NumPorts) + MaxSessions % NumPorts)
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: ((MaxSessions / NumPorts));
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template<size_t Ix> requires (Ix < NumPorts)
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using PortInfo = typename std::tuple_element<Ix, std::tuple<PortInfos...>>::type;
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static constexpr inline bool IsDeferralSupported = (PortInfos::CanDeferInvokeRequest || ...);
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template<size_t Sessions>
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using DeferralManagerImplType = typename std::conditional<IsDeferralSupported, DeferralManager<Sessions>, DummyDeferralManager<Sessions>>::type;
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using DeferralManagerBaseType = typename std::conditional<IsDeferralSupported, DeferralManagerBase, DummyDeferralManagerBase>::type;
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template<size_t Ix> requires (Ix < NumPorts)
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static constexpr inline bool IsPortDeferrable = PortInfo<Ix>::CanDeferInvokeRequest;
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public:
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class PortManagerBase : public PortManagerInterface {
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class PortManagerBase {
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public:
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enum MessageType : u8 {
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MessageType_AddSession = 0,
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@ -98,14 +81,14 @@ namespace ams::tipc {
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std::atomic<s32> m_num_sessions;
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s32 m_port_number;
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os::MultiWaitType m_multi_wait;
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DeferralManagerType m_deferral_manager;
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os::MessageQueueType m_message_queue;
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os::MultiWaitHolderType m_message_queue_holder;
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uintptr_t m_message_queue_storage[MaxSessions];
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ObjectManagerBase *m_object_manager;
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ServerManagerImpl *m_server_manager;
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ObjectManagerBase *m_object_manager;
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DeferralManagerBaseType *m_deferral_manager;
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public:
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PortManagerBase() : m_id(), m_num_sessions(), m_port_number(), m_multi_wait(), m_deferral_manager(), m_message_queue(), m_message_queue_holder(), m_message_queue_storage(), m_object_manager(), m_server_manager() {
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PortManagerBase() : m_id(), m_num_sessions(), m_port_number(), m_multi_wait(), m_message_queue(), m_message_queue_holder(), m_message_queue_storage(), m_server_manager(), m_object_manager(), m_deferral_manager() {
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/* Setup our message queue. */
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os::InitializeMessageQueue(std::addressof(m_message_queue), m_message_queue_storage, util::size(m_message_queue_storage));
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os::InitializeMultiWaitHolder(std::addressof(m_message_queue_holder), std::addressof(m_message_queue), os::MessageQueueWaitType::ForNotEmpty);
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@ -119,11 +102,7 @@ namespace ams::tipc {
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return m_num_sessions;
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}
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ObjectManagerBase *GetObjectManager() const {
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return m_object_manager;
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}
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void InitializeBase(s32 id, ServerManagerImpl *sm, ObjectManagerBase *manager) {
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void InitializeBase(s32 id, ServerManagerImpl *sm, DeferralManagerBaseType *dm, ObjectManagerBase *om) {
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/* Set our id. */
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m_id = id;
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@ -138,7 +117,10 @@ namespace ams::tipc {
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os::LinkMultiWaitHolder(std::addressof(m_multi_wait), std::addressof(m_message_queue_holder));
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/* Initialize our object manager. */
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m_object_manager = manager;
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m_object_manager = om;
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/* Initialize our deferral manager. */
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m_deferral_manager = dm;
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}
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void RegisterPort(s32 index, os::NativeHandle port_handle) {
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@ -155,21 +137,57 @@ namespace ams::tipc {
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m_object_manager->AddObject(object);
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}
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virtual Result ProcessRequest(ObjectHolder &object) override {
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/* Process the request, this must succeed because we succeeded when deferring earlier. */
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R_ABORT_UNLESS(m_object_manager->ProcessRequest(object));
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os::NativeHandle ProcessRequest(ObjectHolder &object) {
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/* Acquire exclusive server manager access. */
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std::scoped_lock lk(m_server_manager->GetMutex());
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/* NOTE: We support nested deferral, where Nintendo does not. */
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if constexpr (IsDeferralSupported) {
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R_UNLESS(!PortManagerBase::IsRequestDeferred(), tipc::ResultRequestDeferred());
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/* Process the request. */
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const Result result = m_object_manager->ProcessRequest(object);
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if (R_SUCCEEDED(result)) {
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/* We should reply only if the request isn't deferred. */
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return !IsRequestDeferred() ? object.GetHandle() : os::InvalidNativeHandle;
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} else {
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/* Processing failed, so note the session as closed (or close it). */
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this->CloseSessionIfNecessary(object, !tipc::ResultSessionClosed::Includes(result));
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/* We shouldn't reply on failure. */
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return os::InvalidNativeHandle;
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}
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/* Reply to the request. */
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return m_object_manager->Reply(object.GetHandle());
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}
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Result ReplyAndReceive(os::MultiWaitHolderType **out_holder, ObjectHolder *out_object, os::NativeHandle reply_target) {
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return m_object_manager->ReplyAndReceive(out_holder, out_object, reply_target, std::addressof(m_multi_wait));
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template<bool Enable = IsDeferralSupported, typename = typename std::enable_if<Enable>::type>
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void ProcessDeferredRequest(ObjectHolder &object) {
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static_assert(Enable == IsDeferralSupported);
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if (const auto reply_target = this->ProcessRequest(object); reply_target != os::InvalidNativeHandle) {
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m_object_manager->Reply(reply_target);
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}
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}
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bool ReplyAndReceive(os::MultiWaitHolderType **out_holder, ObjectHolder *out_object, os::NativeHandle reply_target) {
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/* If we don't have a reply target, clear our message buffer. */
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if (reply_target == os::InvalidNativeHandle) {
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svc::ipc::MessageBuffer(svc::ipc::GetMessageBuffer()).SetNull();
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}
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/* Try to reply/receive. */
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const Result result = m_object_manager->ReplyAndReceive(out_holder, out_object, reply_target, std::addressof(m_multi_wait));
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/* Acquire exclusive access to the server manager. */
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std::scoped_lock lk(m_server_manager->GetMutex());
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/* Handle the result. */
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R_TRY_CATCH(result) {
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R_CATCH(os::ResultSessionClosedForReceive, os::ResultReceiveListBroken) {
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/* Close the object. */
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this->CloseSession(*out_object);
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/* We don't have anything to process. */
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return false;
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}
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} R_END_TRY_CATCH_WITH_ABORT_UNLESS;
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return true;
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}
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void AddSession(os::NativeHandle session_handle, tipc::ServiceObjectBase *service_object) {
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@ -198,7 +216,7 @@ namespace ams::tipc {
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const os::NativeHandle session_handle = static_cast<os::NativeHandle>(message_type >> BITSIZEOF(u32));
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/* Allocate a service object for the port. */
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auto *service_object = m_server_manager->AllocateObject(static_cast<size_t>(message_data));
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auto *service_object = m_server_manager->AllocateObject(static_cast<size_t>(message_data), session_handle, *m_deferral_manager);
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/* Add the newly-created service object. */
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this->AddSession(session_handle, service_object);
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@ -206,12 +224,8 @@ namespace ams::tipc {
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break;
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case MessageType_TriggerResume:
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if constexpr (IsDeferralSupported) {
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/* Acquire exclusive server manager access. */
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std::scoped_lock lk(m_server_manager->GetMutex());
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/* Perform the resume. */
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const auto resume_key = ConvertMessageToKey(message_data);
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m_deferral_manager.Resume(resume_key, this);
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this->OnTriggerResume(message_data);
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}
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break;
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AMS_UNREACHABLE_DEFAULT_CASE();
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@ -249,53 +263,28 @@ namespace ams::tipc {
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--m_num_sessions;
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}
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Result StartRegisterRetry(ResumeKey key) {
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if constexpr (IsDeferralSupported) {
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/* Acquire exclusive server manager access. */
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std::scoped_lock lk(m_server_manager->GetMutex());
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/* Begin the retry. */
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return m_deferral_manager.StartRegisterRetry(key);
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} else {
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return ResultSuccess();
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}
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}
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void ProcessRegisterRetry(ObjectHolder &object) {
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if constexpr (IsDeferralSupported) {
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/* Acquire exclusive server manager access. */
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std::scoped_lock lk(m_server_manager->GetMutex());
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/* Process the retry. */
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m_deferral_manager.ProcessRegisterRetry(object);
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}
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}
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bool TestResume(ResumeKey key) {
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bool TestResume(uintptr_t key) {
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if constexpr (IsDeferralSupported) {
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/* Acquire exclusive server manager access. */
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std::scoped_lock lk(m_server_manager->GetMutex());
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/* Check to see if the key corresponds to some deferred message. */
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return m_deferral_manager.TestResume(key);
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return m_deferral_manager->TestResume(key);
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} else {
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return false;
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}
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}
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void TriggerResume(ResumeKey key) {
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void TriggerResume(uintptr_t key) {
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/* Acquire exclusive server manager access. */
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std::scoped_lock lk(m_server_manager->GetMutex());
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/* Send the key as a message. */
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os::SendMessageQueue(std::addressof(m_message_queue), static_cast<uintptr_t>(MessageType_TriggerResume));
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os::SendMessageQueue(std::addressof(m_message_queue), ConvertKeyToMessage(key));
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os::SendMessageQueue(std::addressof(m_message_queue), key);
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}
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void TriggerAddSession(os::NativeHandle session_handle, size_t port_index) {
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/* Acquire exclusive server manager access. */
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std::scoped_lock lk(m_server_manager->GetMutex());
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/* Increment our session count. */
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++m_num_sessions;
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@ -303,6 +292,14 @@ namespace ams::tipc {
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os::SendMessageQueue(std::addressof(m_message_queue), static_cast<uintptr_t>(MessageType_AddSession) | (static_cast<u64>(session_handle) << BITSIZEOF(u32)));
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os::SendMessageQueue(std::addressof(m_message_queue), static_cast<uintptr_t>(port_index));
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}
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private:
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void OnTriggerResume(uintptr_t key) {
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/* Acquire exclusive server manager access. */
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std::scoped_lock lk(m_server_manager->GetMutex());
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/* Trigger the resume. */
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m_deferral_manager->TriggerResume(this, key);
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}
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public:
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static bool IsRequestDeferred() {
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if constexpr (IsDeferralSupported) {
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@ -331,15 +328,16 @@ namespace ams::tipc {
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template<typename PortInfo, size_t PortSessions>
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class PortManagerImpl final : public PortManagerBase {
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private:
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DeferralManagerImplType<PortSessions> m_deferral_manager_impl;
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tipc::ObjectManager<1 + PortSessions> m_object_manager_impl;
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public:
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PortManagerImpl() : PortManagerBase(), m_object_manager_impl() {
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PortManagerImpl() : PortManagerBase(), m_deferral_manager_impl(), m_object_manager_impl() {
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/* ... */
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}
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void Initialize(s32 id, ServerManagerImpl *sm) {
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/* Initialize our base. */
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this->InitializeBase(id, sm, std::addressof(m_object_manager_impl));
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this->InitializeBase(id, sm, std::addressof(m_deferral_manager_impl), std::addressof(m_object_manager_impl));
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/* Initialize our object manager. */
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m_object_manager_impl.Initialize(std::addressof(this->m_multi_wait));
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@ -356,7 +354,6 @@ namespace ams::tipc {
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using PortAllocatorTuple = std::tuple<typename PortInfos::Allocator...>;
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private:
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os::SdkRecursiveMutex m_mutex;
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os::TlsSlot m_tls_slot;
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PortManagerTuple m_port_managers;
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PortAllocatorTuple m_port_allocators;
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os::ThreadType m_port_threads[NumPorts - 1];
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@ -390,18 +387,11 @@ namespace ams::tipc {
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os::StartThread(m_port_threads + Ix);
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}
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public:
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ServerManagerImpl() : m_mutex(), m_tls_slot(), m_port_managers(), m_port_allocators() { /* ... */ }
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os::TlsSlot GetTlsSlot() const { return m_tls_slot; }
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ServerManagerImpl() : m_mutex(), m_port_managers(), m_port_allocators() { /* ... */ }
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os::SdkRecursiveMutex &GetMutex() { return m_mutex; }
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void Initialize() {
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/* Initialize our tls slot. */
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if constexpr (IsDeferralSupported) {
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R_ABORT_UNLESS(os::SdkAllocateTlsSlot(std::addressof(m_tls_slot), nullptr));
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}
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/* Initialize our port managers. */
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[this]<size_t... Ix>(std::index_sequence<Ix...>) ALWAYS_INLINE_LAMBDA {
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(this->GetPortManager<Ix>().Initialize(static_cast<s32>(Ix), this), ...);
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@ -438,14 +428,14 @@ namespace ams::tipc {
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this->LoopAutoForPort<NumPorts - 1>();
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}
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tipc::ServiceObjectBase *AllocateObject(size_t port_index) {
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tipc::ServiceObjectBase *AllocateObject(size_t port_index, os::NativeHandle handle, DeferralManagerBaseType &deferral_manager) {
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/* Check that the port index is valid. */
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AMS_ABORT_UNLESS(port_index < NumPorts);
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/* Try to allocate from each port, in turn. */
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tipc::ServiceObjectBase *allocated = nullptr;
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[this, port_index, &allocated]<size_t... Ix>(std::index_sequence<Ix...>) ALWAYS_INLINE_LAMBDA {
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(this->TryAllocateObject<Ix>(port_index, allocated), ...);
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[this, port_index, handle, &deferral_manager, &allocated]<size_t... Ix>(std::index_sequence<Ix...>) ALWAYS_INLINE_LAMBDA {
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(this->TryAllocateObject<Ix>(port_index, handle, deferral_manager, allocated), ...);
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}(std::make_index_sequence<NumPorts>());
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/* Return the allocated object. */
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@ -453,13 +443,17 @@ namespace ams::tipc {
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return allocated;
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}
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void TriggerResume(ResumeKey resume_key) {
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template<IsResumeKey ResumeKey>
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void TriggerResume(const ResumeKey &resume_key) {
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/* Acquire exclusive access to ourselves. */
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std::scoped_lock lk(m_mutex);
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/* Convert to internal resume key. */
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const auto internal_resume_key = ConvertToInternalResumeKey(resume_key);
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/* Check/trigger resume on each of our ports. */
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[this, resume_key]<size_t... Ix>(std::index_sequence<Ix...>) ALWAYS_INLINE_LAMBDA {
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(this->TriggerResumeImpl<Ix>(resume_key), ...);
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[this, internal_resume_key]<size_t... Ix>(std::index_sequence<Ix...>) ALWAYS_INLINE_LAMBDA {
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(this->TriggerResumeImpl<Ix>(internal_resume_key), ...);
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}(std::make_index_sequence<NumPorts>());
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}
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@ -485,50 +479,45 @@ namespace ams::tipc {
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}
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private:
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template<size_t Ix> requires (Ix < NumPorts)
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void TryAllocateObject(size_t port_index, tipc::ServiceObjectBase *&allocated) {
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void TryAllocateObject(size_t port_index, os::NativeHandle handle, DeferralManagerBaseType &deferral_manager, tipc::ServiceObjectBase *&allocated) {
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/* Check that the port index matches. */
|
||||
if (port_index == Ix) {
|
||||
/* Check that we haven't already allocated. */
|
||||
AMS_ABORT_UNLESS(allocated == nullptr);
|
||||
|
||||
/* Get the allocator. */
|
||||
auto &allocator = std::get<Ix>(m_port_allocators);
|
||||
|
||||
/* Allocate the object. */
|
||||
AMS_ABORT_UNLESS(allocated == nullptr);
|
||||
allocated = allocator.Allocate();
|
||||
AMS_ABORT_UNLESS(allocated != nullptr);
|
||||
auto * const new_object = allocator.Allocate();
|
||||
AMS_ABORT_UNLESS(new_object != nullptr);
|
||||
|
||||
/* If we should, set the object's deleter. */
|
||||
if constexpr (IsServiceObjectDeleter<typename std::tuple_element<Ix, PortAllocatorTuple>::type>) {
|
||||
allocated->SetDeleter(std::addressof(allocator));
|
||||
new_object->SetDeleter(std::addressof(allocator));
|
||||
}
|
||||
|
||||
/* If we should, set the object's deferral manager. */
|
||||
if constexpr (IsPortDeferrable<Ix>) {
|
||||
deferral_manager.AddObject(new_object->GetImpl(), handle, new_object);
|
||||
}
|
||||
|
||||
/* Set the allocated object. */
|
||||
allocated = new_object;
|
||||
}
|
||||
}
|
||||
|
||||
Result LoopProcess(PortManagerBase &port_manager) {
|
||||
/* Set our tls slot's value to be the port manager we're processing for. */
|
||||
if constexpr (IsDeferralSupported) {
|
||||
os::SetTlsValue(this->GetTlsSlot(), reinterpret_cast<uintptr_t>(std::addressof(port_manager)));
|
||||
}
|
||||
|
||||
/* Clear the message buffer. */
|
||||
/* NOTE: Nintendo only clears the hipc header. */
|
||||
std::memset(svc::ipc::GetMessageBuffer(), 0, svc::ipc::MessageBufferSize);
|
||||
|
||||
/* Process requests forever. */
|
||||
os::NativeHandle reply_target = os::InvalidNativeHandle;
|
||||
while (true) {
|
||||
/* Reply to our pending request, and receive a new one. */
|
||||
/* Reply to our pending request, and wait to receive a new one. */
|
||||
os::MultiWaitHolderType *signaled_holder = nullptr;
|
||||
tipc::ObjectHolder signaled_object{};
|
||||
R_TRY_CATCH(port_manager.ReplyAndReceive(std::addressof(signaled_holder), std::addressof(signaled_object), reply_target)) {
|
||||
R_CATCH(os::ResultSessionClosedForReceive, os::ResultReceiveListBroken) {
|
||||
/* Close the object and continue. */
|
||||
port_manager.CloseSession(signaled_object);
|
||||
|
||||
/* We have nothing to reply to. */
|
||||
reply_target = os::InvalidNativeHandle;
|
||||
continue;
|
||||
}
|
||||
} R_END_TRY_CATCH;
|
||||
while (!port_manager.ReplyAndReceive(std::addressof(signaled_holder), std::addressof(signaled_object), reply_target)) {
|
||||
reply_target = os::InvalidNativeHandle;
|
||||
signaled_object = {};
|
||||
}
|
||||
|
||||
if (signaled_holder == nullptr) {
|
||||
/* A session was signaled, accessible via signaled_object. */
|
||||
|
|
@ -548,31 +537,7 @@ namespace ams::tipc {
|
|||
case ObjectHolder::ObjectType_Session:
|
||||
{
|
||||
/* Process the request */
|
||||
const Result process_result = port_manager.GetObjectManager()->ProcessRequest(signaled_object);
|
||||
if (R_SUCCEEDED(process_result)) {
|
||||
if constexpr (IsDeferralSupported) {
|
||||
/* Check if the request is deferred. */
|
||||
if (PortManagerBase::IsRequestDeferred()) {
|
||||
/* Process the retry that we began. */
|
||||
port_manager.ProcessRegisterRetry(signaled_object);
|
||||
|
||||
/* We have nothing to reply to. */
|
||||
reply_target = os::InvalidNativeHandle;
|
||||
} else {
|
||||
/* We're done processing, so we should reply. */
|
||||
reply_target = signaled_object.GetHandle();
|
||||
}
|
||||
} else {
|
||||
/* We're done processing, so we should reply. */
|
||||
reply_target = signaled_object.GetHandle();
|
||||
}
|
||||
} else {
|
||||
/* We failed to process, so note the session as closed (or close it). */
|
||||
port_manager.CloseSessionIfNecessary(signaled_object, !tipc::ResultSessionClosed::Includes(process_result));
|
||||
|
||||
/* We have nothing to reply to. */
|
||||
reply_target = os::InvalidNativeHandle;
|
||||
}
|
||||
reply_target = port_manager.ProcessRequest(signaled_object);
|
||||
}
|
||||
break;
|
||||
AMS_UNREACHABLE_DEFAULT_CASE();
|
||||
|
|
@ -625,7 +590,7 @@ namespace ams::tipc {
|
|||
}
|
||||
|
||||
template<size_t Ix>
|
||||
void TriggerResumeImpl(ResumeKey resume_key) {
|
||||
void TriggerResumeImpl(uintptr_t resume_key) {
|
||||
/* Get the port manager. */
|
||||
auto &port_manager = this->GetPortManager<Ix>();
|
||||
|
||||
|
|
@ -636,17 +601,11 @@ namespace ams::tipc {
|
|||
}
|
||||
};
|
||||
|
||||
template<typename DeferralManagerType, typename... PortInfos>
|
||||
using ServerManagerWithDeferral = ServerManagerImpl<DeferralManagerType, os::MemoryPageSize, PortInfos...>;
|
||||
|
||||
template<typename DeferralManagerType, size_t ThreadStackSize, typename... PortInfos>
|
||||
using ServerManagerWithDeferralAndThreadStack = ServerManagerImpl<DeferralManagerType, ThreadStackSize, PortInfos...>;
|
||||
|
||||
template<typename... PortInfos>
|
||||
using ServerManager = ServerManagerImpl<DummyDeferralManager, os::MemoryPageSize, PortInfos...>;
|
||||
using ServerManager = ServerManagerImpl<os::MemoryPageSize, PortInfos...>;
|
||||
|
||||
template<size_t ThreadStackSize, typename... PortInfos>
|
||||
using ServerManagerWithThreadStack = ServerManagerImpl<DummyDeferralManager, ThreadStackSize, PortInfos...>;
|
||||
using ServerManagerWithThreadStack = ServerManagerImpl<ThreadStackSize, PortInfos...>;
|
||||
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue