[HID] Redesigned support for Portals

- Added hotplug support on Windows
- Added support for XamInputNonControllerGetRawEx & XamInputNonControllerSetRawEx

src/xenia/hid/portal/portal.h

@@ -0,0 +1,55 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2025 Xenia Canary. All rights reserved.                          *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#ifndef XENIA_HID_PORTAL_PORTAL_H_
+#define XENIA_HID_PORTAL_PORTAL_H_
+
+#include <span>
+
+#include "xenia/base/mutex.h"
+#include "xenia/xbox.h"
+
+namespace xe {
+namespace hid {
+
+constexpr uint8_t kPortalBufferSize = 0x20;
+
+class Portal {
+ public:
+  Portal();
+  virtual ~Portal();
+
+  bool IsConnected();
+
+  virtual X_STATUS Read(std::span<uint8_t> data, uint32_t& bytes_read,
+                        uint16_t& state);
+  virtual X_STATUS Write(std::span<uint8_t> data);
+
+  virtual void OnDeviceArrival() = 0;
+  virtual void OnDeviceRemoval() = 0;
+
+ protected:
+  bool connected_ = false;
+
+ private:
+  virtual void OpenDevice() = 0;
+  virtual void CloseDevice() = 0;
+
+  virtual X_STATUS ReadInternal(std::span<uint8_t> data,
+                                int32_t& read_count) = 0;
+  virtual X_STATUS WriteInternal(std::span<uint8_t> data) = 0;
+
+  xe_mutex lock_;
+  X_STATUS previous_status_ = 0;
+};
+
+}  // namespace hid
+}  // namespace xe
+
+#endif