Annotation of XNU/iokit/Kernel/IOServicePrivate.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * The contents of this file constitute Original Code as defined in and
        !             7:  * are subject to the Apple Public Source License Version 1.1 (the
        !             8:  * "License").  You may not use this file except in compliance with the
        !             9:  * License.  Please obtain a copy of the License at
        !            10:  * http://www.apple.com/publicsource and read it before using this file.
        !            11:  * 
        !            12:  * This Original Code and all software distributed under the License are
        !            13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            17:  * License for the specific language governing rights and limitations
        !            18:  * under the License.
        !            19:  * 
        !            20:  * @APPLE_LICENSE_HEADER_END@
        !            21:  */
        !            22: /*
        !            23:  * Copyright (c) 1999 Apple Computer, Inc.  All rights reserved. 
        !            24:  *
        !            25:  * HISTORY
        !            26:  *
        !            27:  */
        !            28: 
        !            29: 
        !            30: #ifndef _IOKIT_IOSERVICEPRIVATE_H
        !            31: #define _IOKIT_IOSERVICEPRIVATE_H
        !            32: 
        !            33: // options for getExistingServices()
        !            34: enum {
        !            35:     kIONotifyOnce              = 0x00000001
        !            36: };
        !            37: 
        !            38: // masks for __state[1]
        !            39: enum {
        !            40:     kIOServiceBusyStateMask    = 0x000000ff,
        !            41:     kIOServiceBusyMax          = 255,
        !            42:     kIOServiceTerminatedState  = 0x80000000,
        !            43:     kIOServiceConfigState      = 0x40000000,
        !            44:     kIOServiceSynchronousState = 0x20000000,
        !            45: };
        !            46: 
        !            47: // options for terminate()
        !            48: enum {
        !            49:     kIOServiceRecursing                = 0x00100000,
        !            50: };
        !            51: 
        !            52: 
        !            53: class _IOServiceNotifier : public IONotifier
        !            54: {
        !            55:     friend IOService;
        !            56: 
        !            57:     OSDeclareDefaultStructors(_IOServiceNotifier)
        !            58: 
        !            59: public:
        !            60:     OSOrderedSet *                     whence;
        !            61: 
        !            62:     OSDictionary *                     matching;
        !            63:     IOServiceNotificationHandler       handler;
        !            64:     void *                             target;
        !            65:     void *                             ref;
        !            66:     SInt32                             priority;
        !            67:     bool                               fEnable;
        !            68: 
        !            69:     virtual void remove();
        !            70:     virtual bool disable();
        !            71:     virtual void enable( bool was );
        !            72: };
        !            73: 
        !            74: class _IOServiceInterestNotifier : public IONotifier
        !            75: {
        !            76:     friend IOService;
        !            77: 
        !            78:     OSDeclareDefaultStructors(_IOServiceInterestNotifier)
        !            79: 
        !            80: public:
        !            81:     OSArray *                  whence;
        !            82: 
        !            83:     IOServiceInterestHandler   handler;
        !            84:     void *                     target;
        !            85:     void *                     ref;
        !            86:     bool                       fEnable;
        !            87: 
        !            88:     virtual void remove();
        !            89:     virtual bool disable();
        !            90:     virtual void enable( bool was );
        !            91: };
        !            92: 
        !            93: class _IOConfigThread : public OSObject
        !            94: {
        !            95:     friend IOService;
        !            96: 
        !            97:     OSDeclareDefaultStructors(_IOConfigThread)
        !            98: 
        !            99: public:
        !           100:     IOThread           thread;
        !           101: 
        !           102:     virtual void free();
        !           103: 
        !           104:     static _IOConfigThread * configThread( void );
        !           105:     static void main( _IOConfigThread * self );
        !           106: };
        !           107: 
        !           108: enum {
        !           109: #ifdef LESS_THREAD_CREATE
        !           110:     kMaxConfigThreads  = 4,
        !           111: #else
        !           112:     kMaxConfigThreads  = 32,
        !           113: #endif
        !           114: };
        !           115: 
        !           116: enum {
        !           117:     kMatchNubJob       = 10,
        !           118:     kTerminateNubJob,
        !           119: };
        !           120: 
        !           121: class _IOServiceJob : public OSObject
        !           122: {
        !           123:     friend IOService;
        !           124: 
        !           125:     OSDeclareDefaultStructors(_IOServiceJob)
        !           126: 
        !           127: public:
        !           128:     int                        type;
        !           129:     IOService *                nub;
        !           130:     IOOptionBits       options;
        !           131: 
        !           132:     static _IOServiceJob * startJob( IOService * nub, int type,
        !           133:                           IOOptionBits options = 0 );
        !           134:     static void pingConfig( class _IOServiceJob * job );
        !           135: 
        !           136: };
        !           137: 
        !           138: class IOResources : public IOService
        !           139: {
        !           140:     friend IOService;
        !           141: 
        !           142:     OSDeclareDefaultStructors(IOResources)
        !           143: 
        !           144: public:
        !           145:     static IOService * resources( void );
        !           146:     virtual bool matchPropertyTable( OSDictionary * table );
        !           147: };
        !           148: 
        !           149: class _IOOpenServiceIterator : public OSIterator
        !           150: {
        !           151:     friend IOService;
        !           152: 
        !           153:     OSDeclareDefaultStructors(_IOOpenServiceIterator)
        !           154: 
        !           155:     OSIterator *       iter;
        !           156:     const IOService *  client;
        !           157:     const IOService *  provider;
        !           158:     IOService *                last;
        !           159: 
        !           160: public:
        !           161:     static OSIterator * iterator( OSIterator * _iter,
        !           162:                                   const IOService * client,
        !           163:                                   const IOService * provider );
        !           164:     virtual void free();
        !           165:     virtual void reset();
        !           166:     virtual bool isValid();
        !           167:     virtual OSObject * getNextObject();
        !           168: };
        !           169: 
        !           170: #endif /* ! _IOKIT_IOSERVICEPRIVATE_H */
        !           171: 

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