usb: add ds client api

libraries/libstratosphere/source/usb/usb_remote_ds_interface.hpp

@@ -0,0 +1,48 @@
+/*
+ * 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 RemoteDsInterface {
+        private:
+            using Allocator     = sf::ExpHeapAllocator;
+            using ObjectFactory = sf::ObjectFactory<Allocator::Policy>;
+        private:
+            Service m_srv;
+            Allocator *m_allocator;
+        public:
+            RemoteDsInterface(Service &srv, sf::ExpHeapAllocator *allocator) : m_srv(srv), m_allocator(allocator) { /* ... */ }
+            virtual ~RemoteDsInterface() { serviceClose(std::addressof(m_srv)); }
+        public:
+            Result RegisterEndpoint(u8 endpoint_address, sf::Out<sf::SharedPointer<usb::ds::IDsEndpoint>> out);
+            Result GetSetupEvent(sf::OutCopyHandle out);
+            Result GetSetupPacket(const sf::OutBuffer & out);
+            Result CtrlInAsync(sf::Out<u32> out_urb_id, u64 address, u32 size);
+            Result CtrlOutAsync(sf::Out<u32> out_urb_id, u64 address, u32 size);
+            Result GetCtrlInCompletionEvent(sf::OutCopyHandle out);
+            Result GetCtrlInUrbReport(sf::Out<usb::UrbReport> out);
+            Result GetCtrlOutCompletionEvent(sf::OutCopyHandle out);
+            Result GetCtrlOutUrbReport(sf::Out<usb::UrbReport> out);
+            Result CtrlStall();
+            Result AppendConfigurationData(u8 bInterfaceNumber, usb::UsbDeviceSpeed device_speed, const sf::InBuffer &data);
+            Result Enable();
+            Result Disable();
+    };
+    static_assert(ds::IsIDsInterface<RemoteDsInterface>);
+
+}