xnu-201.42.3.tar.gz

[apple/xnu.git] / iokit / IOKit / ata / ata-standard / ATAStandardTarget.h

/*
 * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * The contents of this file constitute Original Code as defined in and
 * are subject to the Apple Public Source License Version 1.1 (the
 * "License").  You may not use this file except in compliance with the
 * License.  Please obtain a copy of the License at
 * http://www.apple.com/publicsource and read it before using this file.
 * 
 * This 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 OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*
 *
 * ATAParallelTarget.h
 *
 */

#ifndef _ATASTANDARDTARGET_H
#define _ATASTANDARDTARGET_H

class IOATAStandardDevice;

typedef struct ATATarget
{
    IOATAStandardDevice 	*device;
    UInt32			state;
    UInt32			flags;
} ATATarget;    

enum 
{
    kStateIdle,
    kStateIssue,
    kStatePending,
    kStateActive,
};

enum CDBFlagsInternal
{
    kCDBFlagsEnableTagQueuing   = 0x80000000,
};


enum ATACommandType
{
    kATACommandNone		= 0,
    kATACommandExecute,
    kATACommandReqSense,
    kATACommandAbort,
    kATACommandAbortAll,
    kATACommandDeviceReset,
    kATACommandBusReset,
    kATACommandCancel,
};
    

#endif