IOPMPowerStateQueue.h

Version: - FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
SearchContext: - none - 3 - 10

    1 /*
    2  * Copyright (c) 2001-2002 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 #ifndef _IOPMPOWERSTATEQUEUE_H_
   30 #define _IOPMPOWERSTATEQUEUE_H_
   31  
   32 #include <IOKit/IOWorkLoop.h>
   33 #include <IOKit/IOEventSource.h>
   34 #include <IOKit/IOService.h>
   35 extern "C" {
   36     #include <kern/queue.h>
   37 }
   38 
   39 class IOPMPowerStateQueue : public IOEventSource
   40  {
   41     OSDeclareDefaultStructors(IOPMPowerStateQueue);
   42 
   43 private:
   44     enum {
   45         kUnIdle = 0,
   46         kPMFeatureChange = 1
   47     };
   48 
   49     // Queue of requested states
   50     struct PowerChangeEntry 
   51     {
   52         void                    *next;
   53         uint16_t                actionType;
   54         uint32_t                state;
   55         IOService               *target;
   56     };
   57 
   58     void                        *changes;
   59 #ifndef __ppc__
   60     IOLock                      *tmpLock;
   61 #endif
   62 
   63 protected:
   64     virtual bool checkForWork(void);
   65 
   66 public:
   67     //typedef void (*Action)(IOService *target, unsigned long state);
   68 
   69     virtual bool init(OSObject *owner, Action action = 0);
   70 
   71     // static initialiser
   72     static IOPMPowerStateQueue *PMPowerStateQueue(OSObject *owner);
   73          
   74     // Enqueues an activityTickle request to be executed on the workloop
   75     virtual bool unIdleOccurred(IOService *, unsigned long);
   76     
   77     // Enqueues a feature changed notify request to be executed on the workloop
   78     virtual bool featureChangeOccurred(uint32_t, IOService *);
   79  };
   80  
   81  #endif /* _IOPMPOWERSTATEQUEUE_H_ */
   82

Cache object: acffd4a969990fa8b37b14f6ae52af5e

[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.

FreeBSD/Linux Kernel Cross Reference sys/iokit/Kernel/IOPMPowerStateQueue.h

FreeBSD/Linux Kernel Cross Reference
sys/iokit/Kernel/IOPMPowerStateQueue.h