osfmk/device/device_init.c

   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,
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  23  * Please see the License for the specific language governing rights and
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  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:   8/89
  61  *
  62  *      Initialize device service as part of kernel task.
  63  */
  64
  65 #include <mach/mach_types.h>
  66 #include <mach/port.h>
  67
  68 #include <ipc/ipc_types.h>
  69 #include <ipc/ipc_port.h>
  70 #include <ipc/ipc_space.h>
  71
  72 #include <kern/kern_types.h>
  73 #include <kern/host.h>
  74 #include <kern/ipc_kobject.h>
  75 #include <kern/startup.h>
  76 #include <kern/task.h>
  77 #include <kern/misc_protos.h>
  78
  79 #include <device/device_types.h>
  80 #include <device/device_port.h>
  81
  82 ipc_port_t      master_device_port;
  83 void           *master_device_kobject;
  84
  85 lck_grp_attr_t * dev_lck_grp_attr;
  86 lck_grp_t * dev_lck_grp;
  87 lck_attr_t * dev_lck_attr;
  88 lck_mtx_t iokit_obj_to_port_binding_lock;
  89
  90 void
  91 device_service_create(void)
  92 {
  93         master_device_port = ipc_port_alloc_kernel();
  94         if (master_device_port == IP_NULL) {
  95                 panic("can't allocate master device port");
  96         }
  97
  98         ipc_kobject_set(master_device_port, (ipc_kobject_t)&master_device_kobject, IKOT_MASTER_DEVICE);
  99         kernel_set_special_port(host_priv_self(), HOST_IO_MASTER_PORT,
 100             ipc_port_make_send(master_device_port));
 101
 102         /* allocate device lock group attribute and group */
 103         dev_lck_grp_attr = lck_grp_attr_alloc_init();
 104         dev_lck_grp = lck_grp_alloc_init("device", dev_lck_grp_attr);
 105
 106         /* Allocate device lock attribute */
 107         dev_lck_attr = lck_attr_alloc_init();
 108
 109         /* Initialize the IOKit object to port binding lock */
 110         lck_mtx_init(&iokit_obj_to_port_binding_lock, dev_lck_grp, dev_lck_attr);
 111
 112 #if 0
 113         ds_init();
 114         net_io_init();
 115         device_pager_init();
 116         datadev_init();
 117
 118         (void) kernel_thread(kernel_task, io_done_thread, (char *)0);
 119         (void) kernel_thread(kernel_task, net_thread, (char *)0);
 120 #endif
 121 }