usb: add ds client api

libraries/libstratosphere/source/usb/usb_remote_ds_service.hpp

@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2018-2020 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 <stratosphere.hpp>
+
+namespace ams::usb {
+
+    class RemoteDsService {
+        private:
+            using Allocator     = sf::ExpHeapAllocator;
+            using ObjectFactory = sf::ObjectFactory<Allocator::Policy>;
+        private:
+            Service m_srv;
+            Allocator *m_allocator;
+        public:
+            RemoteDsService(Service &srv, sf::ExpHeapAllocator *allocator) : m_srv(srv), m_allocator(allocator) { /* ... */ }
+            virtual ~RemoteDsService() { serviceClose(std::addressof(m_srv)); }
+        public:
+            Result Bind(usb::ComplexId complex_id, sf::CopyHandle process_h);
+            Result RegisterInterface(sf::Out<sf::SharedPointer<usb::ds::IDsInterface>> out, u8 bInterfaceNumber);
+            Result GetStateChangeEvent(sf::OutCopyHandle out);
+            Result GetState(sf::Out<usb::UsbState> out);
+            Result ClearDeviceData();
+            Result AddUsbStringDescriptor(sf::Out<u8> out, const sf::InBuffer &desc);
+            Result DeleteUsbStringDescriptor(u8 index);
+            Result SetUsbDeviceDescriptor(const sf::InBuffer &desc, usb::UsbDeviceSpeed speed);
+            Result SetBinaryObjectStore(const sf::InBuffer &bos);
+            Result Enable();
+            Result Disable();
+    };
+    static_assert(ds::IsIDsService<RemoteDsService>);
+
+}