osfmk/device/device_types.h

   1 /*
   2  * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28 /*
  29  * @OSF_COPYRIGHT@
  30  */
  31 /*
  32  * Mach Operating System
  33  * Copyright (c) 1991,1990,1989 Carnegie Mellon University
  34  * All Rights Reserved.
  35  *
  36  * Permission to use, copy, modify and distribute this software and its
  37  * documentation is hereby granted, provided that both the copyright
  38  * notice and this permission notice appear in all copies of the
  39  * software, derivative works or modified versions, and any portions
  40  * thereof, and that both notices appear in supporting documentation.
  41  *
  42  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  43  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  44  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  45  *
  46  * Carnegie Mellon requests users of this software to return to
  47  *
  48  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  49  *  School of Computer Science
  50  *  Carnegie Mellon University
  51  *  Pittsburgh PA 15213-3890
  52  *
  53  * any improvements or extensions that they make and grant Carnegie Mellon
  54  * the rights to redistribute these changes.
  55  */
  56 /*
  57  */
  58 /*
  59  *      Author: David B. Golub, Carnegie Mellon University
  60  *      Date:   3/89
  61  */
  62
  63 #ifndef DEVICE_TYPES_H
  64 #define DEVICE_TYPES_H
  65
  66 /*
  67  * Types for device interface.
  68  */
  69 #include <mach/std_types.h>
  70 #include <mach/mach_types.h>
  71 #include <mach/message.h>
  72 #include <mach/port.h>
  73
  74 /*
  75  * IO buffer - out-of-line array of characters.
  76  */
  77 typedef char *  io_buf_ptr_t;
  78
  79 /*
  80  * Some types for IOKit.
  81  */
  82
  83 #ifdef IOKIT
  84
  85 /* must match device_types.defs */
  86 typedef char                    io_name_t[128];
  87 typedef char                    io_string_t[512];
  88 typedef char                    io_struct_inband_t[4096];
  89
  90 #if KERNEL
  91 typedef uint64_t                io_user_scalar_t;
  92 typedef uint64_t                io_user_reference_t;
  93 typedef int                     io_scalar_inband_t[16];
  94 // must be the same type as OSAsyncReference
  95 typedef natural_t               io_async_ref_t[8];
  96 typedef io_user_scalar_t        io_scalar_inband64_t[16];
  97 typedef io_user_reference_t     io_async_ref64_t[8];
  98 #elif __LP64__
  99 typedef uint64_t                io_user_scalar_t;
 100 typedef uint64_t                io_user_reference_t;
 101 typedef io_user_scalar_t        io_scalar_inband_t[16];
 102 typedef io_user_reference_t     io_async_ref_t[8];
 103 typedef io_user_scalar_t        io_scalar_inband64_t[16];
 104 typedef io_user_reference_t     io_async_ref64_t[8];
 105 #else
 106 typedef int                     io_user_scalar_t;
 107 typedef natural_t               io_user_reference_t;
 108 typedef io_user_scalar_t        io_scalar_inband_t[16];
 109 typedef io_user_reference_t     io_async_ref_t[8];
 110 typedef uint64_t                io_scalar_inband64_t[16];
 111 typedef uint64_t                io_async_ref64_t[8];
 112 #endif // __LP64__
 113
 114 #ifdef MACH_KERNEL
 115
 116 typedef struct IOObject * io_object_t;
 117 typedef io_object_t io_connect_t;
 118
 119 extern void iokit_remove_reference( io_object_t obj );
 120
 121 extern io_object_t iokit_lookup_object_port( ipc_port_t port );
 122 extern io_connect_t iokit_lookup_connect_port( ipc_port_t port );
 123
 124 extern ipc_port_t iokit_make_object_port( io_object_t obj );
 125 extern ipc_port_t iokit_make_connect_port( io_connect_t obj );
 126
 127 extern boolean_t iokit_notify( mach_msg_header_t *msg );
 128
 129 #else
 130
 131 #ifndef __IOKIT_PORTS_DEFINED__
 132 #define __IOKIT_PORTS_DEFINED__
 133 typedef mach_port_t     io_object_t;
 134 #endif  /* __IOKIT_PORTS_DEFINED__ */
 135
 136 #endif  /* MACH_KERNEL */
 137
 138 #endif  /* IOKIT */
 139
 140 #endif  /* DEVICE_TYPES_H */
 141