FreeBSD/Linux Kernel Cross Reference
sys/iokit/IOKit/IOServicePM.h

     /*
      * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
      *
      * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
      * 
      * This file contains Original Code and/or Modifications of Original Code
      * as defined in and that are subject to the Apple Public Source License
      * Version 2.0 (the 'License'). You may not use this file except in
      * compliance with the License. The rights granted to you under the License
     * may not be used to create, or enable the creation or redistribution of,
     * unlawful or unlicensed copies of an Apple operating system, or to
     * circumvent, violate, or enable the circumvention or violation of, any
     * terms of an Apple operating system software license agreement.
     * 
     * Please obtain a copy of the License at
     * http://www.opensource.apple.com/apsl/ and read it before using this file.
     * 
     * The Original Code and all software distributed under the License are
     * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
     * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
     * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
     * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
     * Please see the License for the specific language governing rights and
     * limitations under the License.
     * 
     * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
     */
    
    #ifndef _IOKIT_IOSERVICEPM_H
    #define _IOKIT_IOSERVICEPM_H
    
    #include <IOKit/pwr_mgt/IOPM.h>
    
    class IOService;
    class IOServicePM;
    class IOPowerConnection;
    class IOWorkLoop;
    class IOCommandGate;
    class IOTimerEventSource;
    class IOPlatformExpert;
    
    #ifdef XNU_KERNEL_PRIVATE
    class IOPMinformee;
    class IOPMinformeeList;
    class IOPMWorkQueue;
    class IOPMRequest;
    class IOPMRequestQueue;
    class IOPMCompletionQueue;
    
    typedef unsigned long       IOPMPowerStateIndex;
    typedef uint32_t            IOPMPowerChangeFlags;
    
    struct IOPMDriverCallEntry {
        queue_chain_t   link;
        thread_t        thread;
        IOService *     target;
    };
    
    /* Binary compatibility with drivers that access pm_vars */
    #ifdef __LP64__
    #define PM_VARS_SUPPORT     0
    #else
    #define PM_VARS_SUPPORT     1
    #endif
    
    #if PM_VARS_SUPPORT
    /* Deprecated in version 10.5 */
    class IOPMprot : public OSObject
    {
        friend class IOService;
        
        OSDeclareDefaultStructors(IOPMprot)
    
    public:
        const char *            ourName;
        IOPlatformExpert *      thePlatform;
        unsigned long           theNumberOfPowerStates;
        IOPMPowerState          thePowerStates[IOPMMaxPowerStates];
        IOService *             theControllingDriver;
        unsigned long           aggressiveness;
        unsigned long           current_aggressiveness_values[kMaxType+1];
        bool                    current_aggressiveness_valid[kMaxType+1];
        unsigned long           myCurrentState;
    };
    #endif /* PM_VARS_SUPPORT */
    #endif /* XNU_KERNEL_PRIVATE */
    #endif /* !_IOKIT_IOSERVICEPM_H */

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