| 1 | /** @file
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| 2 | *
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| 3 | * VBox storage devices:
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| 4 | * ATA/ATAPI declarations
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| 5 | */
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| 6 |
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| 7 | /*
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| 8 | * Copyright (C) 2006-2007 innotek GmbH
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| 9 | *
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| 10 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 11 | * available from http://www.virtualbox.org. This file is free software;
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| 12 | * you can redistribute it and/or modify it under the terms of the GNU
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| 13 | * General Public License as published by the Free Software Foundation,
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| 14 | * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
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| 15 | * distribution. VirtualBox OSE is distributed in the hope that it will
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| 16 | * be useful, but WITHOUT ANY WARRANTY of any kind.
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| 17 | *
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| 18 | * If you received this file as part of a commercial VirtualBox
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| 19 | * distribution, then only the terms of your commercial VirtualBox
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| 20 | * license agreement apply instead of the previous paragraph.
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| 21 | */
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| 22 |
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| 23 | #ifndef __IDE_h__
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| 24 | #define __IDE_h__
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| 25 |
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| 26 |
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| 27 | /* Bits of HD_STATUS */
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| 28 | #define ATA_STAT_ERR 0x01
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| 29 | #define ATA_STAT_INDEX 0x02
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| 30 | #define ATA_STAT_ECC 0x04 /* Corrected error */
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| 31 | #define ATA_STAT_DRQ 0x08
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| 32 | #define ATA_STAT_SEEK 0x10
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| 33 | #define ATA_STAT_SRV 0x10
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| 34 | #define ATA_STAT_WRERR 0x20
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| 35 | #define ATA_STAT_READY 0x40
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| 36 | #define ATA_STAT_BUSY 0x80
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| 37 |
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| 38 | /* Bits for HD_ERROR */
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| 39 | #define MARK_ERR 0x01 /* Bad address mark */
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| 40 | #define TRK0_ERR 0x02 /* couldn't find track 0 */
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| 41 | #define ABRT_ERR 0x04 /* Command aborted */
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| 42 | #define MCR_ERR 0x08 /* media change request */
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| 43 | #define ID_ERR 0x10 /* ID field not found */
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| 44 | #define MC_ERR 0x20 /* media changed */
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| 45 | #define ECC_ERR 0x40 /* Uncorrectable ECC error */
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| 46 | #define BBD_ERR 0x80 /* pre-EIDE meaning: block marked bad */
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| 47 | #define ICRC_ERR 0x80 /* new meaning: CRC error during transfer */
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| 48 |
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| 49 | /* Bits for uATARegDevCtl. */
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| 50 | #define ATA_DEVCTL_DISABLE_IRQ 0x02
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| 51 | #define ATA_DEVCTL_RESET 0x04
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| 52 | #define ATA_DEVCTL_HOB 0x80
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| 53 |
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| 54 |
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| 55 | /* ATA/ATAPI Commands (as of ATA/ATAPI-8 draft T13/1699D Revision 3a).
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| 56 | * Please keep this in sync with g_apszATACmdNames. */
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| 57 | typedef enum ATACMD
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| 58 | {
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| 59 | ATA_NOP = 0x00,
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| 60 | ATA_CFA_REQUEST_EXTENDED_ERROR_CODE = 0x03,
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| 61 | ATA_DEVICE_RESET = 0x08,
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| 62 | ATA_RECALIBRATE = 0x10,
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| 63 | ATA_READ_SECTORS = 0x20,
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| 64 | ATA_READ_SECTORS_WITHOUT_RETRIES = 0x21,
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| 65 | ATA_READ_LONG = 0x22,
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| 66 | ATA_READ_LONG_WITHOUT_RETRIES = 0x23,
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| 67 | ATA_READ_SECTORS_EXT = 0x24,
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| 68 | ATA_READ_DMA_EXT = 0x25,
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| 69 | ATA_READ_DMA_QUEUED_EXT = 0x26,
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| 70 | ATA_READ_NATIVE_MAX_ADDRESS_EXT = 0x27,
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| 71 | ATA_READ_MULTIPLE_EXT = 0x29,
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| 72 | ATA_READ_STREAM_DMA_EXT = 0x2a,
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| 73 | ATA_READ_STREAM_EXT = 0x2b,
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| 74 | ATA_READ_LOG_EXT = 0x2f,
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| 75 | ATA_WRITE_SECTORS = 0x30,
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| 76 | ATA_WRITE_SECTORS_WITHOUT_RETRIES = 0x31,
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| 77 | ATA_WRITE_LONG = 0x32,
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| 78 | ATA_WRITE_LONG_WITHOUT_RETRIES = 0x33,
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| 79 | ATA_WRITE_SECTORS_EXT = 0x34,
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| 80 | ATA_WRITE_DMA_EXT = 0x35,
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| 81 | ATA_WRITE_DMA_QUEUED_EXT = 0x36,
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| 82 | ATA_SET_MAX_ADDRESS_EXT = 0x37,
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| 83 | ATA_CFA_WRITE_SECTORS_WITHOUT_ERASE = 0x38,
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| 84 | ATA_WRITE_MULTIPLE_EXT = 0x39,
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| 85 | ATA_WRITE_STREAM_DMA_EXT = 0x3a,
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| 86 | ATA_WRITE_STREAM_EXT = 0x3b,
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| 87 | ATA_WRITE_VERIFY = 0x3c,
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| 88 | ATA_WRITE_DMA_FUA_EXT = 0x3d,
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| 89 | ATA_WRITE_DMA_QUEUED_FUA_EXT = 0x3e,
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| 90 | ATA_WRITE_LOG_EXT = 0x3f,
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| 91 | ATA_READ_VERIFY_SECTORS = 0x40,
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| 92 | ATA_READ_VERIFY_SECTORS_WITHOUT_RETRIES = 0x41,
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| 93 | ATA_READ_VERIFY_SECTORS_EXT = 0x42,
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| 94 | ATA_WRITE_UNCORRECTABLE_EXT = 0x45,
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| 95 | ATA_READ_LOG_DMA_EXT = 0x47,
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| 96 | ATA_FORMAT_TRACK = 0x50,
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| 97 | ATA_CONFIGURE_STREAM = 0x51,
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| 98 | ATA_WRITE_LOG_DMA_EXT = 0x57,
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| 99 | ATA_TRUSTED_RECEIVE = 0x5c,
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| 100 | ATA_TRUSTED_RECEIVE_DMA = 0x5d,
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| 101 | ATA_TRUSTED_SEND = 0x5e,
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| 102 | ATA_TRUSTED_SEND_DMA = 0x5f,
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| 103 | ATA_SEEK = 0x70,
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| 104 | ATA_CFA_TRANSLATE_SECTOR = 0x87,
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| 105 | ATA_EXECUTE_DEVICE_DIAGNOSTIC = 0x90,
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| 106 | ATA_INITIALIZE_DEVICE_PARAMETERS = 0x91,
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| 107 | ATA_DOWNLOAD_MICROCODE = 0x92,
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| 108 | ATA_STANDBY_IMMEDIATE__ALT = 0x94,
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| 109 | ATA_IDLE_IMMEDIATE__ALT = 0x95,
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| 110 | ATA_STANDBY__ALT = 0x96,
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| 111 | ATA_IDLE__ALT = 0x97,
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| 112 | ATA_CHECK_POWER_MODE__ALT = 0x98,
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| 113 | ATA_SLEEP__ALT = 0x99,
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| 114 | ATA_PACKET = 0xa0,
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| 115 | ATA_IDENTIFY_PACKET_DEVICE = 0xa1,
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| 116 | ATA_SERVICE = 0xa2,
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| 117 | ATA_SMART = 0xb0,
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| 118 | ATA_DEVICE_CONFIGURATION_OVERLAY = 0xb1,
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| 119 | ATA_NV_CACHE = 0xb6,
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| 120 | ATA_CFA_ERASE_SECTORS = 0xc0,
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| 121 | ATA_READ_MULTIPLE = 0xc4,
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| 122 | ATA_WRITE_MULTIPLE = 0xc5,
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| 123 | ATA_SET_MULTIPLE_MODE = 0xc6,
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| 124 | ATA_READ_DMA_QUEUED = 0xc7,
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| 125 | ATA_READ_DMA = 0xc8,
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| 126 | ATA_READ_DMA_WITHOUT_RETRIES = 0xc9,
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| 127 | ATA_WRITE_DMA = 0xca,
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| 128 | ATA_WRITE_DMA_WITHOUT_RETRIES = 0xcb,
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| 129 | ATA_WRITE_DMA_QUEUED = 0xcc,
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| 130 | ATA_CFA_WRITE_MULTIPLE_WITHOUT_ERASE = 0xcd,
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| 131 | ATA_WRITE_MULTIPLE_FUA_EXT = 0xce,
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| 132 | ATA_CHECK_MEDIA_CARD_TYPE = 0xd1,
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| 133 | ATA_GET_MEDIA_STATUS = 0xda,
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| 134 | ATA_ACKNOWLEDGE_MEDIA_CHANGE = 0xdb,
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| 135 | ATA_BOOT_POST_BOOT = 0xdc,
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| 136 | ATA_BOOT_PRE_BOOT = 0xdd,
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| 137 | ATA_MEDIA_LOCK = 0xde,
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| 138 | ATA_MEDIA_UNLOCK = 0xdf,
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| 139 | ATA_STANDBY_IMMEDIATE = 0xe0,
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| 140 | ATA_IDLE_IMMEDIATE = 0xe1,
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| 141 | ATA_STANDBY = 0xe2,
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| 142 | ATA_IDLE = 0xe3,
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| 143 | ATA_READ_BUFFER = 0xe4,
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| 144 | ATA_CHECK_POWER_MODE = 0xe5,
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| 145 | ATA_SLEEP = 0xe6,
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| 146 | ATA_FLUSH_CACHE = 0xe7,
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| 147 | ATA_WRITE_BUFFER = 0xe8,
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| 148 | ATA_WRITE_SAME = 0xe9,
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| 149 | ATA_FLUSH_CACHE_EXT = 0xea,
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| 150 | ATA_IDENTIFY_DEVICE = 0xec,
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| 151 | ATA_MEDIA_EJECT = 0xed,
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| 152 | ATA_IDENTIFY_DMA = 0xee,
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| 153 | ATA_SET_FEATURES = 0xef,
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| 154 | ATA_SECURITY_SET_PASSWORD = 0xf1,
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| 155 | ATA_SECURITY_UNLOCK = 0xf2,
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| 156 | ATA_SECURITY_ERASE_PREPARE = 0xf3,
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| 157 | ATA_SECURITY_ERASE_UNIT = 0xf4,
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| 158 | ATA_SECURITY_FREEZE_LOCK = 0xf5,
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| 159 | ATA_SECURITY_DISABLE_PASSWORD = 0xf6,
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| 160 | ATA_READ_NATIVE_MAX_ADDRESS = 0xf8,
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| 161 | ATA_SET_MAX = 0xf9
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| 162 | } ATACMD;
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| 163 |
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| 164 | #ifdef DEBUG
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| 165 | static const char * const g_apszATACmdNames[256] =
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| 166 | {
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| 167 | "NOP", /* 0x00 */
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| 168 | "", /* 0x01 */
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| 169 | "", /* 0x02 */
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| 170 | "CFA REQUEST EXTENDED ERROR CODE", /* 0x03 */
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| 171 | "", /* 0x04 */
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| 172 | "", /* 0x05 */
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| 173 | "", /* 0x06 */
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| 174 | "", /* 0x07 */
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| 175 | "DEVICE RESET", /* 0x08 */
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| 176 | "", /* 0x09 */
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| 177 | "", /* 0x0a */
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| 178 | "", /* 0x0b */
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| 179 | "", /* 0x0c */
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| 180 | "", /* 0x0d */
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| 181 | "", /* 0x0e */
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| 182 | "", /* 0x0f */
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| 183 | "RECALIBRATE", /* 0x10 */
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| 184 | "", /* 0x11 */
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| 185 | "", /* 0x12 */
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| 186 | "", /* 0x13 */
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| 187 | "", /* 0x14 */
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| 188 | "", /* 0x15 */
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| 189 | "", /* 0x16 */
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| 190 | "", /* 0x17 */
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| 191 | "", /* 0x18 */
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| 192 | "", /* 0x19 */
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| 193 | "", /* 0x1a */
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| 194 | "", /* 0x1b */
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| 195 | "", /* 0x1c */
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| 196 | "", /* 0x1d */
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| 197 | "", /* 0x1e */
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| 198 | "", /* 0x1f */
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| 199 | "READ SECTORS", /* 0x20 */
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| 200 | "READ SECTORS WITHOUT RETRIES", /* 0x21 */
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| 201 | "READ LONG", /* 0x22 */
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| 202 | "READ LONG WITHOUT RETRIES", /* 0x23 */
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| 203 | "READ SECTORS EXT", /* 0x24 */
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| 204 | "READ DMA EXT", /* 0x25 */
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| 205 | "READ DMA QUEUED EXT", /* 0x26 */
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| 206 | "READ NATIVE MAX ADDRESS EXT", /* 0x27 */
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| 207 | "", /* 0x28 */
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| 208 | "READ MULTIPLE EXT", /* 0x29 */
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| 209 | "READ STREAM DMA EXT", /* 0x2a */
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| 210 | "READ STREAM EXT", /* 0x2b */
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| 211 | "", /* 0x2c */
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| 212 | "", /* 0x2d */
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| 213 | "", /* 0x2e */
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| 214 | "READ LOG EXT", /* 0x2f */
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| 215 | "WRITE SECTORS", /* 0x30 */
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| 216 | "WRITE SECTORS WITHOUT RETRIES", /* 0x31 */
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| 217 | "WRITE LONG", /* 0x32 */
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| 218 | "WRITE LONG WITHOUT RETRIES", /* 0x33 */
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| 219 | "WRITE SECTORS EXT", /* 0x34 */
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| 220 | "WRITE DMA EXT", /* 0x35 */
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| 221 | "WRITE DMA QUEUED EXT", /* 0x36 */
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| 222 | "SET MAX ADDRESS EXT", /* 0x37 */
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| 223 | "CFA WRITE SECTORS WITHOUT ERASE", /* 0x38 */
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| 224 | "WRITE MULTIPLE EXT", /* 0x39 */
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| 225 | "WRITE STREAM DMA EXT", /* 0x3a */
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| 226 | "WRITE STREAM EXT", /* 0x3b */
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| 227 | "WRITE VERIFY", /* 0x3c */
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| 228 | "WRITE DMA FUA EXT", /* 0x3d */
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| 229 | "WRITE DMA QUEUED FUA EXT", /* 0x3e */
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| 230 | "WRITE LOG EXT", /* 0x3f */
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| 231 | "READ VERIFY SECTORS", /* 0x40 */
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| 232 | "READ VERIFY SECTORS WITHOUT RETRIES", /* 0x41 */
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| 233 | "READ VERIFY SECTORS EXT", /* 0x42 */
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| 234 | "", /* 0x43 */
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| 235 | "", /* 0x44 */
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| 236 | "WRITE UNCORRECTABLE EXT", /* 0x45 */
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| 237 | "", /* 0x46 */
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| 238 | "READ LOG DMA EXT", /* 0x47 */
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| 239 | "", /* 0x48 */
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| 240 | "", /* 0x49 */
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| 241 | "", /* 0x4a */
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| 242 | "", /* 0x4b */
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| 243 | "", /* 0x4c */
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| 244 | "", /* 0x4d */
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| 245 | "", /* 0x4e */
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| 246 | "", /* 0x4f */
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| 247 | "FORMAT TRACK", /* 0x50 */
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| 248 | "CONFIGURE STREAM", /* 0x51 */
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| 249 | "", /* 0x52 */
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| 250 | "", /* 0x53 */
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| 251 | "", /* 0x54 */
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| 252 | "", /* 0x55 */
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| 253 | "", /* 0x56 */
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| 254 | "WRITE LOG DMA EXT", /* 0x57 */
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| 255 | "", /* 0x58 */
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| 256 | "", /* 0x59 */
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| 257 | "", /* 0x5a */
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| 258 | "", /* 0x5b */
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| 259 | "TRUSTED RECEIVE", /* 0x5c */
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| 260 | "TRUSTED RECEIVE DMA", /* 0x5d */
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| 261 | "TRUSTED SEND", /* 0x5e */
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| 262 | "TRUSTED SEND DMA", /* 0x5f */
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| 263 | "", /* 0x60 */
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| 264 | "", /* 0x61 */
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| 265 | "", /* 0x62 */
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| 266 | "", /* 0x63 */
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| 267 | "", /* 0x64 */
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| 268 | "", /* 0x65 */
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| 269 | "", /* 0x66 */
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| 270 | "", /* 0x67 */
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| 271 | "", /* 0x68 */
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| 272 | "", /* 0x69 */
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| 273 | "", /* 0x6a */
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| 274 | "", /* 0x6b */
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| 275 | "", /* 0x6c */
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| 276 | "", /* 0x6d */
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| 277 | "", /* 0x6e */
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| 278 | "", /* 0x6f */
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| 279 | "SEEK", /* 0x70 */
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| 280 | "", /* 0x71 */
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| 281 | "", /* 0x72 */
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| 282 | "", /* 0x73 */
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| 283 | "", /* 0x74 */
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| 284 | "", /* 0x75 */
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| 285 | "", /* 0x76 */
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| 286 | "", /* 0x77 */
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| 287 | "", /* 0x78 */
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| 288 | "", /* 0x79 */
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| 289 | "", /* 0x7a */
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| 290 | "", /* 0x7b */
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| 291 | "", /* 0x7c */
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| 292 | "", /* 0x7d */
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| 293 | "", /* 0x7e */
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| 294 | "", /* 0x7f */
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| 295 | "", /* 0x80 */
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| 296 | "", /* 0x81 */
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| 297 | "", /* 0x82 */
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| 298 | "", /* 0x83 */
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| 299 | "", /* 0x84 */
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| 300 | "", /* 0x85 */
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| 301 | "", /* 0x86 */
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| 302 | "CFA TRANSLATE SECTOR", /* 0x87 */
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| 303 | "", /* 0x88 */
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| 304 | "", /* 0x89 */
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| 305 | "", /* 0x8a */
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| 306 | "", /* 0x8b */
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| 307 | "", /* 0x8c */
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| 308 | "", /* 0x8d */
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| 309 | "", /* 0x8e */
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| 310 | "", /* 0x8f */
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| 311 | "EXECUTE DEVICE DIAGNOSTIC", /* 0x90 */
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| 312 | "INITIALIZE DEVICE PARAMETERS", /* 0x91 */
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| 313 | "DOWNLOAD MICROCODE", /* 0x92 */
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| 314 | "", /* 0x93 */
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| 315 | "STANDBY IMMEDIATE ALT", /* 0x94 */
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| 316 | "IDLE IMMEDIATE ALT", /* 0x95 */
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| 317 | "STANDBY ALT", /* 0x96 */
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| 318 | "IDLE ALT", /* 0x97 */
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| 319 | "CHECK POWER MODE ALT", /* 0x98 */
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| 320 | "SLEEP ALT", /* 0x99 */
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| 321 | "", /* 0x9a */
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| 322 | "", /* 0x9b */
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| 323 | "", /* 0x9c */
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| 324 | "", /* 0x9d */
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| 325 | "", /* 0x9e */
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| 326 | "", /* 0x9f */
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| 327 | "PACKET", /* 0xa0 */
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| 328 | "IDENTIFY PACKET DEVICE", /* 0xa1 */
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| 329 | "SERVICE", /* 0xa2 */
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| 330 | "", /* 0xa3 */
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| 331 | "", /* 0xa4 */
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| 332 | "", /* 0xa5 */
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| 333 | "", /* 0xa6 */
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| 334 | "", /* 0xa7 */
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| 335 | "", /* 0xa8 */
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| 336 | "", /* 0xa9 */
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| 337 | "", /* 0xaa */
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| 338 | "", /* 0xab */
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| 339 | "", /* 0xac */
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| 340 | "", /* 0xad */
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| 341 | "", /* 0xae */
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| 342 | "", /* 0xaf */
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| 343 | "SMART", /* 0xb0 */
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| 344 | "DEVICE CONFIGURATION OVERLAY", /* 0xb1 */
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| 345 | "", /* 0xb2 */
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| 346 | "", /* 0xb3 */
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| 347 | "", /* 0xb4 */
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| 348 | "", /* 0xb5 */
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| 349 | "NV CACHE", /* 0xb6 */
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| 350 | "", /* 0xb7 */
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| 351 | "", /* 0xb8 */
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| 352 | "", /* 0xb9 */
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| 353 | "", /* 0xba */
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| 354 | "", /* 0xbb */
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| 355 | "", /* 0xbc */
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| 356 | "", /* 0xbd */
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| 357 | "", /* 0xbe */
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| 358 | "", /* 0xbf */
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| 359 | "CFA ERASE SECTORS", /* 0xc0 */
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| 360 | "", /* 0xc1 */
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| 361 | "", /* 0xc2 */
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| 362 | "", /* 0xc3 */
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| 363 | "READ MULTIPLE", /* 0xc4 */
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| 364 | "WRITE MULTIPLE", /* 0xc5 */
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| 365 | "SET MULTIPLE MODE", /* 0xc6 */
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| 366 | "READ DMA QUEUED", /* 0xc7 */
|
|---|
| 367 | "READ DMA", /* 0xc8 */
|
|---|
| 368 | "READ DMA WITHOUT RETRIES", /* 0xc9 */
|
|---|
| 369 | "WRITE DMA", /* 0xca */
|
|---|
| 370 | "WRITE DMA WITHOUT RETRIES", /* 0xcb */
|
|---|
| 371 | "WRITE DMA QUEUED", /* 0xcc */
|
|---|
| 372 | "CFA WRITE MULTIPLE WITHOUT ERASE", /* 0xcd */
|
|---|
| 373 | "WRITE MULTIPLE FUA EXT", /* 0xce */
|
|---|
| 374 | "", /* 0xcf */
|
|---|
| 375 | "", /* 0xd0 */
|
|---|
| 376 | "CHECK MEDIA CARD TYPE", /* 0xd1 */
|
|---|
| 377 | "", /* 0xd2 */
|
|---|
| 378 | "", /* 0xd3 */
|
|---|
| 379 | "", /* 0xd4 */
|
|---|
| 380 | "", /* 0xd5 */
|
|---|
| 381 | "", /* 0xd6 */
|
|---|
| 382 | "", /* 0xd7 */
|
|---|
| 383 | "", /* 0xd8 */
|
|---|
| 384 | "", /* 0xd9 */
|
|---|
| 385 | "GET MEDIA STATUS", /* 0xda */
|
|---|
| 386 | "ACKNOWLEDGE MEDIA CHANGE", /* 0xdb */
|
|---|
| 387 | "BOOT POST BOOT", /* 0xdc */
|
|---|
| 388 | "BOOT PRE BOOT", /* 0xdd */
|
|---|
| 389 | "MEDIA LOCK", /* 0xde */
|
|---|
| 390 | "MEDIA UNLOCK", /* 0xdf */
|
|---|
| 391 | "STANDBY IMMEDIATE", /* 0xe0 */
|
|---|
| 392 | "IDLE IMMEDIATE", /* 0xe1 */
|
|---|
| 393 | "STANDBY", /* 0xe2 */
|
|---|
| 394 | "IDLE", /* 0xe3 */
|
|---|
| 395 | "READ BUFFER", /* 0xe4 */
|
|---|
| 396 | "CHECK POWER MODE", /* 0xe5 */
|
|---|
| 397 | "SLEEP", /* 0xe6 */
|
|---|
| 398 | "FLUSH CACHE", /* 0xe7 */
|
|---|
| 399 | "WRITE BUFFER", /* 0xe8 */
|
|---|
| 400 | "WRITE SAME", /* 0xe9 */
|
|---|
| 401 | "FLUSH CACHE EXT", /* 0xea */
|
|---|
| 402 | "", /* 0xeb */
|
|---|
| 403 | "IDENTIFY DEVICE", /* 0xec */
|
|---|
| 404 | "MEDIA EJECT", /* 0xed */
|
|---|
| 405 | "IDENTIFY DMA", /* 0xee */
|
|---|
| 406 | "SET FEATURES", /* 0xef */
|
|---|
| 407 | "", /* 0xf0 */
|
|---|
| 408 | "SECURITY SET PASSWORD", /* 0xf1 */
|
|---|
| 409 | "SECURITY UNLOCK", /* 0xf2 */
|
|---|
| 410 | "SECURITY ERASE PREPARE", /* 0xf3 */
|
|---|
| 411 | "SECURITY ERASE UNIT", /* 0xf4 */
|
|---|
| 412 | "SECURITY FREEZE LOCK", /* 0xf5 */
|
|---|
| 413 | "SECURITY DISABLE PASSWORD", /* 0xf6 */
|
|---|
| 414 | "", /* 0xf7 */
|
|---|
| 415 | "READ NATIVE MAX ADDRESS", /* 0xf8 */
|
|---|
| 416 | "SET MAX", /* 0xf9 */
|
|---|
| 417 | "", /* 0xfa */
|
|---|
| 418 | "", /* 0xfb */
|
|---|
| 419 | "", /* 0xfc */
|
|---|
| 420 | "", /* 0xfd */
|
|---|
| 421 | "", /* 0xfe */
|
|---|
| 422 | "" /* 0xff */
|
|---|
| 423 | };
|
|---|
| 424 | #endif /* DEBUG */
|
|---|
| 425 |
|
|---|
| 426 |
|
|---|
| 427 | #define ATA_MODE_MDMA 0x20
|
|---|
| 428 | #define ATA_MODE_UDMA 0x40
|
|---|
| 429 |
|
|---|
| 430 |
|
|---|
| 431 | #define ATA_TRANSFER_ID(thismode, maxspeed, currmode) \
|
|---|
| 432 | ( ((1 << (maxspeed + 1)) - 1) \
|
|---|
| 433 | | ((((thismode ^ currmode) & 0xf8) == 0) ? 1 << ((currmode & 0x07) + 8) : 0))
|
|---|
| 434 |
|
|---|
| 435 |
|
|---|
| 436 | /* ATAPI defines */
|
|---|
| 437 |
|
|---|
| 438 | #define ATAPI_PACKET_SIZE 12
|
|---|
| 439 |
|
|---|
| 440 |
|
|---|
| 441 | #define ATAPI_INT_REASON_CD 0x01 /* 0 = data transfer */
|
|---|
| 442 | #define ATAPI_INT_REASON_IO 0x02 /* 1 = transfer to the host */
|
|---|
| 443 | #define ATAPI_INT_REASON_REL 0x04
|
|---|
| 444 | #define ATAPI_INT_REASON_TAG_MASK 0xf8
|
|---|
| 445 |
|
|---|
| 446 |
|
|---|
| 447 | #endif /* __IDE_h__ */
|
|---|
