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Annotation of XNU/iokit/IOKit/ata/ATACommand.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:  *
        !            24:  * ATACommand.h
        !            25:  *
        !            26:  */
        !            27: 
        !            28: enum ATADeviceType
        !            29: {
        !            30:     ataDeviceNone,
        !            31:     ataDeviceATA,
        !            32:     ataDeviceATAPI,
        !            33: };
        !            34: 
        !            35: 
        !            36: enum ATATimingProtocol
        !            37: {
        !            38:     ataTimingPIO               = (1 << 0),
        !            39:     ataTimingDMA               = (1 << 1),
        !            40:     ataTimingUltraDMA33                = (1 << 2),
    ataTimingUltraDMA66             = (1 << 3),
        !            41:     ataMaxTimings              = 4,
        !            42: };
        !            43: 
        !            44: enum ATAProtocol
        !            45: {
        !            46:    ataProtocolSetRegs          = (1 << 0),
        !            47:    ataProtocolPIO              = (1 << 1),
        !            48:    ataProtocolPIOMultiple      = (1 << 2),
        !            49:    ataProtocolDMA              = (1 << 3),
        !            50:    ataProtocolDMAQueued                = (1 << 4),
        !            51:    ataProtocolDMAQueuedRelease = (1 << 5),
        !            52: 
        !            53:    atapiProtocolPIO            = (1 << 16),
        !            54:    atapiProtocolDMA            = (1 << 17),
        !            55: };
        !            56: 
        !            57: typedef struct ATATiming
        !            58: {
        !            59:     ATATimingProtocol  timingProtocol;
        !            60: 
        !            61:     UInt32             featureSetting;
        !            62: 
        !            63:     UInt32             mode;
    UInt32                minDataAccess;
    UInt32               minDataCycle;
    UInt32                minCmdAccess;
    UInt32                minCmdCycle;
        !            64:     UInt32             reserved_3[9];
} ATATiming;
        !            65: 
        !            66: 
        !            67: enum ATAReturnCode
        !            68: {
        !            69:     ataReturnNoError,
        !            70:     ataReturnNotSupported,
        !            71:     ataReturnNoResource,
        !            72:     ataReturnErrorRetryPIO,
        !            73:     ataReturnErrorBusy,
        !            74:     ataReturnErrorInterruptTimeout,
        !            75:     ataReturnErrorStatus,
        !            76:     ataReturnErrorProtocol,
        !            77:     ataReturnErrorDMA,
        !            78:     ataReturnBusReset,
        !            79: };
        !            80: 
        !            81: #define ATARegtoMask(reg) (1<<(reg))
        !            82: 
        !            83: typedef struct ATATaskfile     
{
        !            84:     ATAProtocol                protocol;
        !            85: 
        !            86:     UInt32             resultmask;
        !            87: 
    UInt32            regmask;
        !            88:     UInt32              ataRegs[MAX_ATA_REGS];
        !            89: 
} ATATaskfile;
        !            90: 
        !            91: typedef struct ATAResults
        !            92: {
        !            93:     ATAReturnCode      returnCode;
        !            94: 
        !            95:     UInt32             bytesTransferred;
        !            96:     UInt32              ataRegs[MAX_ATA_REGS];
        !            97: 
        !            98:     UInt32             senseLength;
        !            99: } ATAResults;
        !           100: 
        !           101: 
        !           102: typedef struct ATAPICmd
        !           103: {
        !           104:     UInt32             cdbLength;
        !           105:     UInt8              cdb[16];
        !           106: } ATAPICmd;
        !           107: 
        !           108: enum ATAMessages
        !           109: {
        !           110:     ataMessageInitDevice       = 1,
        !           111:     ataMessageResetStarted     = 2,            
        !           112:     ataMessageResetComplete    = 3,
        !           113: };     
        !           114: 

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