/* * Copyright (c) Atmosphère-NX * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. * * This program is distributed in the hope it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #pragma once #include <vapours.hpp> #include <stratosphere/os/os_sdk_mutex.hpp> #include <stratosphere/ddsf/ddsf_types.hpp> #include <stratosphere/ddsf/impl/ddsf_for_each.hpp> #include <stratosphere/ddsf/ddsf_i_castable.hpp> #include <stratosphere/ddsf/ddsf_i_device.hpp> namespace ams::ddsf { class IDriver : public ICastable { public: AMS_DDSF_CASTABLE_ROOT_TRAITS(ams::ddsf::IDriver); private: util::IntrusiveListNode m_list_node; IDevice::List m_device_list; mutable os::SdkMutex m_device_list_lock; public: using ListTraits = util::IntrusiveListMemberTraits<&IDriver::m_list_node>; using List = typename ListTraits::ListType; friend class util::IntrusiveList<IDriver, util::IntrusiveListMemberTraits<&IDriver::m_list_node>>; private: public: IDriver() : m_list_node(), m_device_list(), m_device_list_lock() { m_device_list.clear(); } protected: virtual ~IDriver() { m_device_list.clear(); } public: void AddTo(List &list) { list.push_back(*this); } void RemoveFrom(List list) { list.erase(list.iterator_to(*this)); } bool IsLinkedToList() const { return m_list_node.IsLinked(); } bool HasAnyDevice() const { return !m_device_list.empty(); } void RegisterDevice(IDevice *dev) { AMS_ASSERT(dev != nullptr); std::scoped_lock lk(m_device_list_lock); dev->AttachDriver(this); m_device_list.push_back(*dev); } void UnregisterDevice(IDevice *dev) { AMS_ASSERT(dev != nullptr); std::scoped_lock lk(m_device_list_lock); m_device_list.erase(m_device_list.iterator_to(*dev)); dev->DetachDriver(); } template<typename F> Result ForEachDevice(F f, bool return_on_fail) { R_RETURN(impl::ForEach(m_device_list_lock, m_device_list, f, return_on_fail)); } template<typename F> Result ForEachDevice(F f, bool return_on_fail) const { R_RETURN(impl::ForEach(m_device_list_lock, m_device_list, f, return_on_fail)); } template<typename F> int ForEachDevice(F f) { return impl::ForEach(m_device_list_lock, m_device_list, f); } template<typename F> int ForEachDevice(F f) const { return impl::ForEach(m_device_list_lock, m_device_list, f); } }; }