osfmk/device/device_types.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*
  23  * @OSF_COPYRIGHT@
  24  */
  25 /*
  26  * Mach Operating System
  27  * Copyright (c) 1991,1990,1989 Carnegie Mellon University
  28  * All Rights Reserved.
  29  *
  30  * Permission to use, copy, modify and distribute this software and its
  31  * documentation is hereby granted, provided that both the copyright
  32  * notice and this permission notice appear in all copies of the
  33  * software, derivative works or modified versions, and any portions
  34  * thereof, and that both notices appear in supporting documentation.
  35  *
  36  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  37  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  38  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  39  *
  40  * Carnegie Mellon requests users of this software to return to
  41  *
  42  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  43  *  School of Computer Science
  44  *  Carnegie Mellon University
  45  *  Pittsburgh PA 15213-3890
  46  *
  47  * any improvements or extensions that they make and grant Carnegie Mellon
  48  * the rights to redistribute these changes.
  49  */
  50 /*
  51  */
  52 /*
  53  *      Author: David B. Golub, Carnegie Mellon University
  54  *      Date:   3/89
  55  */
  56
  57 #ifndef DEVICE_TYPES_H
  58 #define DEVICE_TYPES_H
  59
  60 /*
  61  * Types for device interface.
  62  */
  63 #include <mach/std_types.h>
  64 #include <mach/port.h>
  65
  66 /*
  67  * IO buffer - out-of-line array of characters.
  68  */
  69 typedef char *  io_buf_ptr_t;
  70
  71 /*
  72  * Some types for IOKit.
  73  */
  74
  75 #ifdef IOKIT
  76
  77 /* must match device_types.defs */
  78 typedef char            io_name_t[128];
  79 typedef char            io_string_t[512];
  80 typedef char            io_struct_inband_t[4096];
  81 typedef int             io_scalar_inband_t[16];
  82 typedef natural_t       io_async_ref_t[8];
  83
  84 #ifdef MACH_KERNEL
  85
  86 typedef struct IOObject * io_object_t;
  87 typedef io_object_t io_connect_t;
  88
  89 extern void iokit_remove_reference( io_object_t obj );
  90
  91 extern io_object_t iokit_lookup_object_port( ipc_port_t port );
  92 extern io_connect_t iokit_lookup_connect_port( ipc_port_t port );
  93
  94 extern ipc_port_t iokit_make_object_port( io_object_t obj );
  95 extern ipc_port_t iokit_make_connect_port( io_connect_t obj );
  96
  97 #else
  98
  99 #ifndef __IOKIT_PORTS_DEFINED__
 100 #define __IOKIT_PORTS_DEFINED__
 101 typedef mach_port_t     io_object_t;
 102 #endif  /* __IOKIT_PORTS_DEFINED__ */
 103
 104 #endif  /* MACH_KERNEL */
 105
 106 #endif  /* IOKIT */
 107
 108 #endif  /* DEVICE_TYPES_H */
 109