1 files changed, 44 insertions, 0 deletions

diff --git a/src/core/hle/service/hid/controllers/shared_memory_holder.h b/src/core/hle/service/hid/controllers/shared_memory_holder.h
new file mode 100644
index 000000000..260402712
--- /dev/null
+++ b/src/core/hle/service/hid/controllers/shared_memory_holder.h
@@ -0,0 +1,44 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include "common/common_types.h"
+#include "core/hle/result.h"
+
+namespace Core {
+class System;
+}
+
+namespace Kernel {
+class KSharedMemory;
+}
+
+namespace Service::HID {
+struct SharedMemoryFormat;
+
+// This is nn::hid::detail::SharedMemoryHolder
+class SharedMemoryHolder {
+public:
+    SharedMemoryHolder();
+
+    Result Initialize(Core::System& system);
+    void Finalize();
+
+    bool IsMapped();
+    SharedMemoryFormat* GetAddress();
+    Kernel::KSharedMemory* GetHandle();
+
+private:
+    bool is_owner{};
+    bool is_created{};
+    bool is_mapped{};
+    INSERT_PADDING_BYTES(0x5);
+    Kernel::KSharedMemory* shared_memory;
+    INSERT_PADDING_BYTES(0x38);
+    SharedMemoryFormat* address = nullptr;
+};
+// Correct size is 0x50 bytes
+static_assert(sizeof(SharedMemoryHolder) == 0x50, "SharedMemoryHolder is an invalid size");
+
+} // namespace Service::HID