iokit/Kernel/RootDomainUserClient.cpp

   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