File: device.defs

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/* 
 * 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.
 */
/*
 * File:	device/device.defs
 * Author:	Douglas Orr
 *		Feb 10, 1988
 * Abstract:
 *	Mach device support.  Mach devices are accessed through
 *	block and character device interfaces to the kernel.
 */

subsystem
#if	KERNEL_SERVER
	  KernelServer
#endif
		       device 2800;

#include <mach/std_types.defs>
#include <mach/mach_types.defs>
#include <device/device_types.defs>

serverprefix	ds_;

type reply_port_t = MACH_MSG_TYPE_MAKE_SEND_ONCE | polymorphic
	ctype: mach_port_t
#ifndef	KERNEL_SERVER
#ifdef	MACH_PAYLOAD_TO_PORT
		intranpayload: mach_port_t MACH_PAYLOAD_TO_PORT
#endif	/* MACH_PAYLOAD_TO_PORT */
#endif	/* KERNEL_SERVER */
;

routine device_open(
		master_port	: mach_port_t;
	sreplyport reply_port	: reply_port_t;
		mode		: dev_mode_t;
		name		: dev_name_t;
	out	device		: device_t =
					MACH_MSG_TYPE_PORT_SEND
					ctype: mach_port_t
#if	KERNEL_SERVER
		outtran: mach_port_t convert_device_to_port(device_t)
#else
#ifdef	DEVICE_OUTTRAN
		outtran: DEVICE_OUTTRAN
#endif
#endif	/* KERNEL_SERVER */
	);

routine device_close(
		device		: device_t
	);

routine device_write(
		device		: device_t;
	sreplyport reply_port	: reply_port_t;
	in	mode		: dev_mode_t;
	in	recnum		: recnum_t;
	in	data		: io_buf_ptr_t;
	out	bytes_written	: int
	);

routine device_write_inband(
		device		: device_t;
	sreplyport reply_port	: reply_port_t;
	in	mode		: dev_mode_t;
	in	recnum		: recnum_t;
	in	data		: io_buf_ptr_inband_t;
	out	bytes_written	: int
	);

routine	device_read(
		device		: device_t;
	sreplyport reply_port	: reply_port_t;
	in	mode		: dev_mode_t;
	in	recnum		: recnum_t;
	in	bytes_wanted	: int;
	out	data		: io_buf_ptr_t
	);

routine	device_read_inband(
		device		: device_t;
	sreplyport reply_port	: reply_port_t;
	in	mode		: dev_mode_t;
	in	recnum		: recnum_t;
	in	bytes_wanted	: int;
	out	data		: io_buf_ptr_inband_t
	);

skip;	/* old xxx_device_set_status */
skip;	/* old xxx_device_get_status */
skip;	/* old xxx_device_set_filter*/

routine device_map(
		device		: device_t;
	in	prot		: vm_prot_t;
	in	offset		: vm_offset_t;
	in	size		: vm_size_t;
	out	pager		: memory_object_t;
	in	unmap		: int
	);

routine	device_set_status(
		device		: device_t;
	in	flavor		: dev_flavor_t;
	in	status		: dev_status_t
	);

routine	device_get_status(
		device		: device_t;
	in	flavor		: dev_flavor_t;
	out	status		: dev_status_t, CountInOut
	);

routine device_set_filter(
		device		: device_t;
	in	receive_port	: mach_port_send_t;
	in	priority	: int;
	in	filter		: filter_array_t
	);