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diff --git a/inc/fastrpc_apps_user.h b/inc/fastrpc_apps_user.h
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+/**
+ * Copyright (c) 2019, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *    * Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *    * Redistributions in binary form must reproduce the above
+ *      copyright notice, this list of conditions and the following
+ *      disclaimer in the documentation and/or other materials provided
+ *      with the distribution.
+ *    * Neither the name of The Linux Foundation nor the names of its
+ *      contributors may be used to endorse or promote products derived
+ *      from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef FASTRPC_ANDROID_USER_H
+#define FASTRPC_ANDROID_USER_H
+
+#include <assert.h>
+#include <fcntl.h>
+#include <asm/ioctl.h>
+#include <errno.h>
+
+/*
+ * API to check if kernel supports remote memory allocation
+ * Returns 0 if NOT supported
+ *
+ */
+int is_kernel_alloc_supported(int dev, int domain);
+
+/*
+ * API to allocate ION memory for internal purposes
+ * Returns NULL if allocation fails
+ *
+ */
+void* rpcmem_alloc_internal(int heapid, uint32 flags, int size);
+
+/*
+ * API to free internally allocated ION memory
+ *
+ */
+void rpcmem_free_internal(void* po);
+
+/*
+ * API to get fd of internally allocated ION buffer
+ * Returns valid fd on success and -1 on failure
+ *
+ */
+int rpcmem_to_fd_internal(void *po);
+
+#endif //FASTRPC_ANDROID_USER_H