From 47682aaf93b85b3d00fad5426cf9c5a1c7f610ea Mon Sep 17 00:00:00 2001
From: Zheng Da <zhengda1936@gmail.com>
Date: Sun, 29 Mar 2020 22:32:44 +1100
Subject: libmachdev: Add common machdev

* libmachdev: New directory.
---
 libmachdev/machdev-dev_hdr.h | 88 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 libmachdev/machdev-dev_hdr.h

(limited to 'libmachdev/machdev-dev_hdr.h')

diff --git a/libmachdev/machdev-dev_hdr.h b/libmachdev/machdev-dev_hdr.h
new file mode 100644
index 00000000..5b5e3e61
--- /dev/null
+++ b/libmachdev/machdev-dev_hdr.h
@@ -0,0 +1,88 @@
+/*
+ * Mach Operating System
+ * Copyright (c) 1991,1990,1989 Carnegie Mellon University
+ * All Rights Reserved.
+ *
+ * Permission to use, copy, modify and distribute this software and its
+ * documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ *
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
+ * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ *
+ * Carnegie Mellon requests users of this software to return to
+ *
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie Mellon
+ * the rights to redistribute these changes.
+ */
+/*
+ *	Author: David B. Golub, Carnegie Mellon University
+ *	Date: 	3/89
+ */
+
+/*
+ * Mach device emulation definitions (i386at version).
+ *
+ * Copyright (c) 1996 The University of Utah and
+ * the Computer Systems Laboratory at the University of Utah (CSL).
+ * All rights reserved.
+ *
+ * Permission to use, copy, modify and distribute this software is hereby
+ * granted provided that (1) source code retains these copyright, permission,
+ * and disclaimer notices, and (2) redistributions including binaries
+ * reproduce the notices in supporting documentation, and (3) all advertising
+ * materials mentioning features or use of this software display the following
+ * acknowledgement: ``This product includes software developed by the
+ * Computer Systems Laboratory at the University of Utah.''
+ *
+ * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
+ * IS" CONDITION.  THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
+ * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ *
+ * CSL requests users of this software to return to csl-dist@cs.utah.edu any
+ * improvements that they make and grant CSL redistribution rights.
+ *
+ *      Author: Shantanu Goel, University of Utah CSL
+ */
+
+#ifndef	_MACHDEV_DEVICE_DEV_HDR_H_
+#define	_MACHDEV_DEVICE_DEV_HDR_H_
+
+#include <mach.h>
+#include <hurd.h>
+#include <hurd/ports.h>
+
+#include "machdev-device_emul.h"
+
+/* This structure is associated with each open device port.
+ * The port representing the device points to this structure.  */
+struct emul_device
+{
+    struct machdev_device_emulation_ops *emul_ops;
+    void *emul_data;
+};
+
+typedef struct emul_device *emul_device_t;
+
+#define DEVICE_NULL     ((device_t) 0)
+
+/*
+ * Generic device header.  May be allocated with the device,
+ * or built when the device is opened.
+ */
+struct mach_device {
+	struct port_info port;
+	struct emul_device	dev;		/* the real device structure */
+};
+typedef	struct mach_device *mach_device_t;
+#define	MACH_DEVICE_NULL ((mach_device_t)0)
+
+#endif	/* _MACHDEV_DEVICE_DEV_HDR_H_ */
-- 
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