1 /*
2  * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
3  *
4  * @APPLE_LICENSE_HEADER_START@
5  *
6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
7  *
8  * This file contains Original Code and/or Modifications of Original Code
9  * as defined in and that are subject to the Apple Public Source License
10  * Version 2.0 (the 'License'). You may not use this file except in
11  * compliance with the License. Please obtain a copy of the License at
12  * http://www.opensource.apple.com/apsl/ and read it before using this
13  * file.
14  *
15  * The Original Code and all software distributed under the License are
16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
20  * Please see the License for the specific language governing rights and
21  * limitations under the License.
22  *
23  * @APPLE_LICENSE_HEADER_END@
24  */
25 /*
26  * Copyright (c) 1999 Apple Computer, Inc.  All rights reserved.
27  *
28  */
29 
30 #include <IOKit/assert.h>
31 #include <IOKit/IOLib.h>
32 #include <IOKit/IOBufferMemoryDescriptor.h>
33 #include "RootDomainUserClient.h"
34 #include <IOKit/pwr_mgt/IOPMLibDefs.h>
35 
36 #define super IOUserClient
37 
38 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
39 
40 OSDefineMetaClassAndStructors(RootDomainUserClient, IOUserClient)
41 
42 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
43 
44 bool RootDomainUserClient::start( IOService * provider )
45 {
46     assert(OSDynamicCast(IOPMrootDomain, provider));
47     if(!super::start(provider))
48         return false;
49     fOwner = (IOPMrootDomain *)provider;
50 
51 
52     return true;
53 }
54 
55 
56 IOReturn RootDomainUserClient::clientClose( void )
57 {
58     detach(fOwner);
59     return kIOReturnSuccess;
60 }
61 
62 IOExternalMethod *
63 RootDomainUserClient::getTargetAndMethodForIndex( IOService ** targetP, UInt32 index )
64 {
65     static IOExternalMethod sMethods[] = {
66         { // kPMSetAggressiveness, 0
67             0, (IOMethod)&IOPMrootDomain::setAggressiveness, kIOUCScalarIScalarO, 2, 0
68         },
69         { // kPMGetAggressiveness, 1
70             0, (IOMethod)&IOPMrootDomain::getAggressiveness, kIOUCScalarIScalarO, 1, 1
71         },
72         { // kPMSleepSystem, 2
73             0, (IOMethod)&IOPMrootDomain::sleepSystem, kIOUCScalarIScalarO, 0, 0
74         },
75         { // kPMAllowPowerChange, 3
76             0, (IOMethod)&IOPMrootDomain::allowPowerChange, kIOUCScalarIScalarO, 1, 0
77         },
78         { // kPMCancelPowerChange, 4
79             0, (IOMethod)&IOPMrootDomain::cancelPowerChange, kIOUCScalarIScalarO, 1, 0
80         },
81         { // kPMShutdownSystem, 5
82             0, (IOMethod)&IOPMrootDomain::shutdownSystem, kIOUCScalarIScalarO, 0, 0
83         },
84         { // kPMRestartSystem, 6
85             0, (IOMethod)&IOPMrootDomain::restartSystem, kIOUCScalarIScalarO, 0, 0
86         },
87         { // kPMSetPreventative, 7
88             1, (IOMethod) &RootDomainUserClient::setPreventative, kIOUCScalarIScalarO, 2, 0
89         },
90     };
91 
92     if(index >= kNumPMMethods)
93     	return NULL;
94     else {
95         if (sMethods[index].object)
96             *targetP = this;
97         else
98             *targetP = fOwner;
99 
100         return &sMethods[index];
101     }
102 }
103 
104 void
105 RootDomainUserClient::setPreventative(UInt32 on_off, UInt32 types_of_sleep)
106 {
107     return;
108 }
109 
110