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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
);
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