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Annotation of XNU/iokit/IOKit/storage/IOMediaBSDClient.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: #ifndef _IOMEDIABSDCLIENT_H
        !            24: #define _IOMEDIABSDCLIENT_H
        !            25: 
        !            26: #include <IOKit/IOService.h>
        !            27: 
        !            28: /*
        !            29:  * Definitions
        !            30:  */
        !            31: 
        !            32: class  AnchorTable;
        !            33: class  MinorTable;
        !            34: struct MinorSlot;
        !            35: 
        !            36: /*
        !            37:  * Class
        !            38:  */
        !            39: 
        !            40: class IOMediaBSDClient : public IOService
        !            41: {
        !            42:     OSDeclareDefaultStructors(IOMediaBSDClient)
        !            43: 
        !            44: protected:
        !            45:     AnchorTable * _anchors;              /* (table of anchors)                */
        !            46:     bool          _bdevswInstalled;      /* (are bdevsw functions installed?) */
        !            47:     bool          _cdevswInstalled;      /* (are cdevsw functions installed?) */
        !            48:     MinorTable *  _minors;               /* (table of minors)                 */
        !            49:     IONotifier *  _notifier;             /* (media arrival notification)      */
        !            50: 
        !            51:     /*
        !            52:      * Notification handler for media arrivals.
        !            53:      */
        !            54: 
        !            55:     static bool mediaHasArrived(void *, void *, IOService * service);
        !            56: 
        !            57:     /*
        !            58:      * Find the whole media that roots this media tree.
        !            59:      */
        !            60: 
        !            61:     virtual IOMedia * getWholeMedia( IOMedia * media,
        !            62:                                      UInt32 *  slicePathSize = 0,
        !            63:                                      char *    slicePath     = 0 );
        !            64: 
        !            65:     /*
        !            66:      * Create bdevsw and cdevsw nodes for the given media object.
        !            67:      */
        !            68: 
        !            69:     virtual bool createNodes(IOMedia * media);
        !            70: 
        !            71:     /*
        !            72:      * Free all of this object's outstanding resources.
        !            73:      */
        !            74: 
        !            75:     virtual void free();
        !            76: 
        !            77: public:
        !            78:     /*
        !            79:      * Initialize this object's minimal state.
        !            80:      */
        !            81: 
        !            82:     virtual bool init(OSDictionary * properties  = 0);
        !            83: 
        !            84:     /*
        !            85:      * This method is called once we have been attached to the provider object.
        !            86:      */
        !            87: 
        !            88:     virtual bool start(IOService * provider);
        !            89: 
        !            90:     /*
        !            91:      * This method is called before we are detached from the provider object.
        !            92:      */
        !            93: 
        !            94:     virtual void stop(IOService * provider);
        !            95: 
        !            96:     /*
        !            97:      * Obtain the table of anchors.
        !            98:      */
        !            99: 
        !           100:     virtual AnchorTable * getAnchors();
        !           101: 
        !           102:     /*
        !           103:      * Obtain the table of minors.
        !           104:      */
        !           105: 
        !           106:     virtual MinorTable * getMinors();
        !           107: 
        !           108:     /*
        !           109:      * Obtain information for the specified minor ID.
        !           110:      */
        !           111: 
        !           112:     virtual MinorSlot * getMinor(UInt32 minorID);
        !           113: };
        !           114: 
        !           115: #endif /* !_IOMEDIABSDCLIENT_H */

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