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Annotation of kernel/bsd/dev/ppc/drvPPCATA/atapi_extern.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:  * atapi_external.h - External definitions for ATAPI driver. 
        !            30:  *
        !            31:  * HISTORY 
        !            32:  * 1-Sep-1994   Rakesh Dubey at NeXT
        !            33:  *     Created.
        !            34:  */
        !            35: 
        !            36: 
        !            37: #ifdef DRIVER_PRIVATE
        !            38: 
        !            39: #ifndef        _BSD_DEV_ATAPI_EXTERN_
        !            40: #define _BSD_DEV_ATAPI_EXTERN_
        !            41: 
        !            42: #import <sys/types.h>
        !            43: #import <sys/ioctl.h>
        !            44: #if (IO_DRIVERKIT_VERSION == 330)
        !            45: #ifdef KERNEL
        !            46: #import <machdep/machine/pmap.h>
        !            47: #import <vm/vm_map.h>
        !            48: #endif KERNEL
        !            49: #endif
        !            50: #import <mach/boolean.h>
        !            51: #import <mach/vm_param.h>
        !            52: 
        !            53: /*
        !            54:  * How does the device respond to an ATAPI packet command. 
        !            55:  */
        !            56: #define ATAPI_CMD_DRQ_INT                      0x01
        !            57: #define ATAPI_CMD_DRQ_SLOW                     0x00
        !            58: #define ATAPI_CMD_DRQ_FAST                     0x02
        !            59: 
        !            60: #define ATAPI_DEVICE_DIRECT_ACCESS             0x00
        !            61: #define ATAPI_DEVICE_CD_ROM                    0x05
        !            62: #define ATAPI_DEVICE_OPTICAL                   0x07
        !            63: #define ATAPI_DEVICE_TAPE                      0x01
        !            64: #define ATAPI_DEVICE_UNKNOWN                   0x1f
        !            65: 
        !            66: /*
        !            67:  * ATAPI commands -- as defined in the SFF-8020, Revison 1.2 
        !            68:  */
        !            69: 
        !            70: /*
        !            71:  * Mandatory commands. 
        !            72:  */
        !            73: #define        ATAPI_PACKET                    0xa0
        !            74: #define        ATAPI_IDENTIFY_DRIVE            0xa1
        !            75: #define        ATAPI_SOFT_RESET                0x08
        !            76: 
        !            77: 
        !            78: typedef        int atapi_return_t;
        !            79: 
        !            80: /*
        !            81:  * Defines for ATAPI error register. Upper four bits are sense key.
        !            82:  */
        !            83: #define MEDIA_CHANGE_REQUEST                   0x08
        !            84: #define CMD_ABORTED                            0x04
        !            85: #define END_OF_MEDIA                           0x02
        !            86: #define ILLEGAL_LENGTH                         0x01
        !            87: 
        !            88: /*
        !            89:  * Defines for the feature register. 
        !            90:  */
        !            91: #define DMA_TRANSFERS                          0x01
        !            92: 
        !            93: /*
        !            94:  * Defines for the interrupt reason register. 
        !            95:  */
        !            96: #define IO_DIRECTION                           0x02    /* 1 --> to host */
        !            97: #define CMD_OR_DATA                            0x01    /* 0 --> user data */
        !            98: 
        !            99: /*
        !           100:  * Other defines are same as in the case of ATA standard. TBD: Should we
        !           101:  * redefine all ATAPI registers to keep things completely separate? 
        !           102:  */
        !           103: 
        !           104: 
        !           105: /*
        !           106:  * ATAPI General configuration register. 
        !           107:  */
        !           108: typedef        struct  _atapiGenConfig {
        !           109:     unsigned short
        !           110:        protocolType:2,                 /* */
        !           111:        rsvd2:1,                        /* */
        !           112:        deviceType:5,                   /* */
        !           113:        removable:1,                    /* */
        !           114:        cmdDrqType:2,                   /* */
        !           115:        rsvd1:3,                        /* */
        !           116:        cmdPacketSize:2;                /* */
        !           117: } atapiGenConfig_t;
        !           118: 
        !           119: /*
        !           120:  * ATAPI sense keys, page 157 SFF-8020, Rev 1.2 
        !           121:  */
        !           122: #define ATAPI_SENSE_NONE                       0x00
        !           123: #define ATAPI_SENSE_RECOVERED_ERROR            0x01
        !           124: #define ATAPI_SENSE_NOT_READY                  0x02
        !           125: #define ATAPI_SENSE_MEDIUM_ERROR               0x03
        !           126: #define ATAPI_SENSE_HARDWARE_ERROR             0x04
        !           127: #define ATAPI_SENSE_ILLEGAL_REQUEST            0x05
        !           128: #define ATAPI_SENSE_UNIT_ATTENTION             0x06
        !           129: #define ATAPI_SENSE_DATA_PROTECT               0x07
        !           130: #define ATAPI_SENSE_ABORTED_COMMAND            0x0b
        !           131: #define ATAPI_SENSE_MISCOMPARE                 0x0e
        !           132: 
        !           133: #endif _BSD_DEV_ATAPI_EXTERN_
        !           134: 
        !           135: #endif DRIVER_PRIVATE
        !           136: 

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