/****************************************************************************
 *
 * Copyright (C) 2022 ModalAI, Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. 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.
 * 3. Neither the name PX4 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 BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE 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
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 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * POSSIBILITY OF SUCH DAMAGE.
 *
 ****************************************************************************/

// This file is meant to tackle the dependencies on IOCTL found in PX4.
// As QURT does not have IOCTL natively, this file exists to define those
// functions/params found throughout the code base.

#pragma once

#define	IOCPARM_MASK	0x1fff		/* parameter length, at most 13 bits */
#define	IOC_VOID	0x20000000	/* no parameters */

#define	_IOC(inout,group,num,len)	((unsigned long) \
		((inout) | (((len) & IOCPARM_MASK) << 16) | ((group) << 8) | (num)))
#define	_IO(g,n)	_IOC(IOC_VOID,	(g), (n), 0)