Qurt IOCTL dependency addition (#20480)

2026-05-21 21:25:31 +08:00 · 2022-10-26 14:09:07 -05:00
parent 25fe13583e
commit eb16730400
1 changed files with 45 additions and 0 deletions
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+/****************************************************************************
+ *
+ * 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
+ * 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.
+ *
+ ****************************************************************************/
+
+// 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)