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Annotation of kernel/bsd/dev/ppc/drvPPCATA/IdeCntCmds.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
        !             7:  * Reserved.  This file contains Original Code and/or Modifications of
        !             8:  * Original Code as defined in and that are subject to the Apple Public
        !             9:  * Source License Version 1.1 (the "License").  You may not use this file
        !            10:  * except in compliance with the License.  Please obtain a copy of the
        !            11:  * License at http://www.apple.com/publicsource and read it before using
        !            12:  * this file.
        !            13:  * 
        !            14:  * The Original Code and all software distributed under the License are
        !            15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            19:  * License for the specific language governing rights and limitations
        !            20:  * under the License.
        !            21:  * 
        !            22:  * @APPLE_LICENSE_HEADER_END@
        !            23:  */
        !            24: 
        !            25: // Copyright 1997 by Apple Computer, Inc., all rights reserved.
        !            26: /*
        !            27:  * Copyright (c) 1994-1997 NeXT Software, Inc.  All rights reserved. 
        !            28:  *
        !            29:  * IdeCntCmds.m - IDE commands interface. 
        !            30:  *
        !            31:  * HISTORY 
        !            32:  * 17-July-1994        Rakesh Dubey at NeXT 
        !            33:  *     Created. 
        !            34:  */
        !            35: 
        !            36: #import <driverkit/return.h>
        !            37: #import <driverkit/driverTypes.h>
        !            38: #import <driverkit/IODevice.h>
        !            39: #import <driverkit/ppc/directDevice.h>
        !            40: #import <driverkit/generalFuncs.h>
        !            41: #import "IdeCntPublic.h"
        !            42: 
        !            43: 
        !            44: /*
        !            45:  * IDE commands to the controller. These methods are used by the Disk objects
        !            46:  * via the IdeSendCmd:ToDrive: interface. They also might be invoked by one
        !            47:  * of the internal methods. 
        !            48:  */
        !            49: 
        !            50: @interface IdeController(Commands)
        !            51: 
        !            52: /*
        !            53:  * The following commands use the revelant register values from
        !            54:  * ideRegsAddrs as inputs. In case of a command failure (i.e., when the
        !            55:  * returned value is IDER_CMD_ERROR, all registers are dumped into 
        !            56:  * ideRegsAddrs structure.
        !            57:  */
        !            58: 
        !            59: - (ide_return_t) ideReadGetInfoCommon:(ideRegsVal_t *)ideRegs 
        !            60:                        client:(struct vm_map *)client 
        !            61:                        addr:(caddr_t)xferAddr 
        !            62:                        command:(unsigned)cmd;
        !            63: 
        !            64: - (ide_return_t) ideReadMultiple:(ideRegsVal_t *)ideRegs 
        !            65:                        client:(struct vm_map *)client 
        !            66:                        addr:(caddr_t)xferAddr;
        !            67: 
        !            68: - (ide_return_t) ideWrite:(ideRegsVal_t *)ideRegs 
        !            69:                        client:(struct vm_map *)client  
        !            70:                        addr:(caddr_t)addr;
        !            71: 
        !            72: - (ide_return_t) ideWriteMultiple:(ideRegsVal_t *)ideRegs 
        !            73:                        client: (struct vm_map *)client 
        !            74:                        addr:(caddr_t)addr;
        !            75: 
        !            76: - (ide_return_t) ideReadVerifySeekCommon:(ideRegsVal_t *)ideRegs 
        !            77:                        command:(unsigned)cmd;
        !            78: 
        !            79: /*
        !            80:  * ideDiagnose and ideSetParams:numHeads:ForDrive are also used by the
        !            81:  * controller class. 
        !            82:  */
        !            83: 
        !            84: - (ide_return_t)ideDiagnose:(unsigned *)error;
        !            85: 
        !            86: - (ide_return_t)ideSetParams:(unsigned)sectCnt numHeads:(unsigned)nHeads
        !            87:                        ForDrive:(unsigned)drive;
        !            88:                        
        !            89: - (ide_return_t)ideSetDriveFeature:(unsigned)feature value:(unsigned)val;
        !            90:                        
        !            91: - (ide_return_t) ideRestore:(ideRegsVal_t *)ideRegs;
        !            92: 
        !            93: - (ide_return_t) ideSetMultiSectorMode:(ideRegsVal_t *)ideRegs 
        !            94:                        numSectors:(unsigned char)nSectors;
        !            95: 
        !            96: 
        !            97: - (ideRegsVal_t)logToPhys:(unsigned)block numOfBlocks:(unsigned)nblk;
        !            98: 
        !            99: /*
        !           100:  * These methods are used by the IdeDisk class. 
        !           101:  */
        !           102: - (IOReturn) _ideExecuteCmd : (ideIoReq_t *)ideIoReq  
        !           103:                 ToDrive: (unsigned char) drive;
        !           104: 
        !           105: @end

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