MdePkg/Include/IndustryStandard/Atapi.h

   1 /** @file
   2   This file contains just some basic definitions that are needed by drivers
   3   that dealing with ATA/ATAPI interface.
   4
   5 Copyright (c) 2007 - 2009, Intel Corporation
   6 All rights reserved. This program and the accompanying materials
   7 are licensed and made available under the terms and conditions of the BSD License
   8 which accompanies this distribution.  The full text of the license may be found at
   9 http://opensource.org/licenses/bsd-license.php
  10
  11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  13
  14 **/
  15
  16 #ifndef _ATAPI_H_
  17 #define _ATAPI_H_
  18
  19 #pragma pack(1)
  20
  21 ///
  22 /// ATA_IDENTIFY_DATA is defined in ATA-5
  23 ///
  24 typedef struct {
  25   UINT16  config;             ///< General Configuration
  26   UINT16  cylinders;          ///< Number of Cylinders
  27   UINT16  reserved_2;
  28   UINT16  heads;              ///< Number of logical heads
  29   UINT16  vendor_data1;
  30   UINT16  vendor_data2;
  31   UINT16  sectors_per_track;
  32   UINT16  vendor_specific_7_9[3];
  33   CHAR8   SerialNo[20];       ///< ASCII
  34   UINT16  vendor_specific_20_21[2];
  35   UINT16  ecc_bytes_available;
  36   CHAR8   FirmwareVer[8];     ///< ASCII
  37   CHAR8   ModelName[40];      ///< ASCII
  38   UINT16  multi_sector_cmd_max_sct_cnt;
  39   UINT16  reserved_48;
  40   UINT16  capabilities;
  41   UINT16  reserved_50;
  42   UINT16  pio_cycle_timing;
  43   UINT16  reserved_52;
  44   UINT16  field_validity;
  45   UINT16  current_cylinders;
  46   UINT16  current_heads;
  47   UINT16  current_sectors;
  48   UINT16  CurrentCapacityLsb;
  49   UINT16  CurrentCapacityMsb;
  50   UINT16  reserved_59;
  51   UINT16  user_addressable_sectors_lo;
  52   UINT16  user_addressable_sectors_hi;
  53   UINT16  reserved_62;
  54   UINT16  multi_word_dma_mode;
  55   UINT16  advanced_pio_modes;
  56   UINT16  min_multi_word_dma_cycle_time;
  57   UINT16  rec_multi_word_dma_cycle_time;
  58   UINT16  min_pio_cycle_time_without_flow_control;
  59   UINT16  min_pio_cycle_time_with_flow_control;
  60   UINT16  reserved_69_79[11];
  61   UINT16  major_version_no;
  62   UINT16  minor_version_no;
  63   UINT16  command_set_supported_82;    ///< word 82
  64   UINT16  command_set_supported_83;    ///< word 83
  65   UINT16  command_set_feature_extn;    ///< word 84
  66   UINT16  command_set_feature_enb_85;  ///< word 85
  67   UINT16  command_set_feature_enb_86;  ///< word 86
  68   UINT16  command_set_feature_default; ///< word 87
  69   UINT16  ultra_dma_mode;              ///< word 88
  70   UINT16  reserved_89_127[39];
  71   UINT16  security_status;
  72   UINT16  vendor_data_129_159[31];
  73   UINT16  reserved_160_255[96];
  74 } ATA_IDENTIFY_DATA;
  75
  76 ///
  77 /// ATAPI_IDENTIFY_DATA is defined in ATA-6
  78 ///
  79 typedef struct {
  80     UINT16  config;             ///< General Configuration
  81     UINT16  obsolete_1;
  82     UINT16  specific_config;
  83     UINT16  obsolete_3;
  84     UINT16  retired_4_5[2];
  85     UINT16  obsolete_6;
  86     UINT16  cfa_reserved_7_8[2];
  87     UINT16  retired_9;
  88     CHAR8   SerialNo[20];       ///< ASCII
  89     UINT16  retired_20_21[2];
  90     UINT16  obsolete_22;
  91     CHAR8   FirmwareVer[8];     ///< ASCII
  92     CHAR8   ModelName[40];      ///< ASCII
  93     UINT16  multi_sector_cmd_max_sct_cnt;
  94     UINT16  reserved_48;
  95     UINT16  capabilities_49;
  96     UINT16  capabilities_50;
  97     UINT16  obsolete_51_52[2];
  98     UINT16  field_validity;
  99     UINT16  obsolete_54_58[5];
 100     UINT16  mutil_sector_setting;
 101     UINT16  user_addressable_sectors_lo;
 102     UINT16  user_addressable_sectors_hi;
 103     UINT16  obsolete_62;
 104     UINT16  multi_word_dma_mode;
 105     UINT16  advanced_pio_modes;
 106     UINT16  min_multi_word_dma_cycle_time;
 107     UINT16  rec_multi_word_dma_cycle_time;
 108     UINT16  min_pio_cycle_time_without_flow_control;
 109     UINT16  min_pio_cycle_time_with_flow_control;
 110     UINT16  reserved_69_74[6];
 111     UINT16  queue_depth;
 112     UINT16  reserved_76_79[4];
 113     UINT16  major_version_no;
 114     UINT16  minor_version_no;
 115     UINT16  cmd_set_support_82;
 116     UINT16  cmd_set_support_83;
 117     UINT16  cmd_feature_support;
 118     UINT16  cmd_feature_enable_85;
 119     UINT16  cmd_feature_enable_86;
 120     UINT16  cmd_feature_default;
 121     UINT16  ultra_dma_select;
 122     UINT16  time_required_for_sec_erase;
 123     UINT16  time_required_for_enhanced_sec_erase;
 124     UINT16  current_advanced_power_mgmt_value;
 125     UINT16  master_pwd_revison_code;
 126     UINT16  hardware_reset_result;
 127     UINT16  current_auto_acoustic_mgmt_value;
 128     UINT16  reserved_95_99[5];
 129     UINT16  max_user_lba_for_48bit_addr[4];
 130     UINT16  reserved_104_126[23];
 131     UINT16  removable_media_status_notification_support;
 132     UINT16  security_status;
 133     UINT16  vendor_data_129_159[31];
 134     UINT16  cfa_power_mode;
 135     UINT16  cfa_reserved_161_175[15];
 136     UINT16  current_media_serial_no[30];
 137     UINT16  reserved_206_254[49];
 138     UINT16  integrity_word;
 139 } ATAPI_IDENTIFY_DATA;
 140
 141 ///
 142 /// Standard Quiry Data format, defined in SFF-8070i(ATAPI Removable Rewritable Specification)
 143 ///
 144 typedef struct {
 145   UINT8 peripheral_type;
 146   UINT8 RMB;
 147   UINT8 version;
 148   UINT8 response_data_format;
 149   UINT8 addnl_length;     ///< n - 4, Numbers of bytes following this one
 150   UINT8 reserved_5;
 151   UINT8 reserved_6;
 152   UINT8 reserved_7;
 153   UINT8 vendor_info[8];
 154   UINT8 product_id[16];
 155   UINT8 product_revision_level[4];
 156   UINT8 vendor_specific_36_55[55 - 36 + 1];
 157   UINT8 reserved_56_95[95 - 56 + 1];
 158   ///
 159   /// Vendor specific parameters fields, the sizeof (ATAPI_INQUIRY_DATA) is 254
 160   /// since allocation_length is one byte in ATAPI_INQUIRY_CMD.
 161   ///
 162   UINT8 vendor_specific_96_253[253 - 96 + 1];
 163 } ATAPI_INQUIRY_DATA;
 164
 165 ///
 166 /// Request Sense Standard Data, defined in SFF-8070i(ATAPI Removable Rewritable Specification)
 167 ///
 168 typedef struct {
 169   UINT8 error_code : 7;
 170   UINT8 valid : 1;
 171   UINT8 reserved_1;
 172   UINT8 sense_key : 4;
 173   UINT8 reserved_2 : 1;
 174   UINT8 Vendor_specifc_1 : 3;
 175   UINT8 vendor_specific_3;
 176   UINT8 vendor_specific_4;
 177   UINT8 vendor_specific_5;
 178   UINT8 vendor_specific_6;
 179   UINT8 addnl_sense_length;           ///< n - 7
 180   UINT8 vendor_specific_8;
 181   UINT8 vendor_specific_9;
 182   UINT8 vendor_specific_10;
 183   UINT8 vendor_specific_11;
 184   UINT8 addnl_sense_code;             ///< mandatory
 185   UINT8 addnl_sense_code_qualifier;   ///< mandatory
 186   UINT8 field_replaceable_unit_code;  ///< optional
 187   UINT8 sense_key_specific_15 : 7;
 188   UINT8 SKSV : 1;
 189   UINT8 sense_key_specific_16;
 190   UINT8 sense_key_specific_17;
 191 } ATAPI_REQUEST_SENSE_DATA;
 192
 193 ///
 194 /// READ CAPACITY Data, defined in SFF-8070i(ATAPI Removable Rewritable Specification)
 195 ///
 196 typedef struct {
 197   UINT8 LastLba3;
 198   UINT8 LastLba2;
 199   UINT8 LastLba1;
 200   UINT8 LastLba0;
 201   UINT8 BlockSize3;
 202   UINT8 BlockSize2;
 203   UINT8 BlockSize1;
 204   UINT8 BlockSize0;
 205 } ATAPI_READ_CAPACITY_DATA;
 206
 207 ///
 208 /// Capacity List Header + Current/Maximum Capacity Descriptor,
 209 /// defined in SFF-8070i(ATAPI Removable Rewritable Specification)
 210 ///
 211 typedef struct {
 212   UINT8 reserved_0;
 213   UINT8 reserved_1;
 214   UINT8 reserved_2;
 215   UINT8 Capacity_Length;
 216   UINT8 LastLba3;
 217   UINT8 LastLba2;
 218   UINT8 LastLba1;
 219   UINT8 LastLba0;
 220   UINT8 DesCode : 2;
 221   UINT8 reserved_9 : 6;
 222   UINT8 BlockSize2;
 223   UINT8 BlockSize1;
 224   UINT8 BlockSize0;
 225 } ATAPI_READ_FORMAT_CAPACITY_DATA;
 226
 227 ///
 228 /// Test Unit Ready Command, defined in SFF-8070i(ATAPI Removable Rewritable Specification)
 229 ///
 230 typedef struct {
 231   UINT8 opcode;
 232   UINT8 reserved_1;
 233   UINT8 reserved_2;
 234   UINT8 reserved_3;
 235   UINT8 reserved_4;
 236   UINT8 reserved_5;
 237   UINT8 reserved_6;
 238   UINT8 reserved_7;
 239   UINT8 reserved_8;
 240   UINT8 reserved_9;
 241   UINT8 reserved_10;
 242   UINT8 reserved_11;
 243 } ATAPI_TEST_UNIT_READY_CMD;
 244
 245 ///
 246 /// INQUIRY Command, defined in SFF-8070i(ATAPI Removable Rewritable Specification)
 247 ///
 248 typedef struct {
 249   UINT8 opcode;
 250   UINT8 reserved_1 : 5;
 251   UINT8 lun : 3;
 252   UINT8 page_code;        ///< defined in SFF8090i, V6
 253   UINT8 reserved_3;
 254   UINT8 allocation_length;
 255   UINT8 reserved_5;
 256   UINT8 reserved_6;
 257   UINT8 reserved_7;
 258   UINT8 reserved_8;
 259   UINT8 reserved_9;
 260   UINT8 reserved_10;
 261   UINT8 reserved_11;
 262 } ATAPI_INQUIRY_CMD;
 263
 264 ///
 265 /// REQUEST SENSE Command, defined in SFF-8070i(ATAPI Removable Rewritable Specification)
 266 ///
 267 typedef struct {
 268   UINT8 opcode;
 269   UINT8 reserved_1 : 5;
 270   UINT8 lun : 3;
 271   UINT8 reserved_2;
 272   UINT8 reserved_3;
 273   UINT8 allocation_length;
 274   UINT8 reserved_5;
 275   UINT8 reserved_6;
 276   UINT8 reserved_7;
 277   UINT8 reserved_8;
 278   UINT8 reserved_9;
 279   UINT8 reserved_10;
 280   UINT8 reserved_11;
 281 } ATAPI_REQUEST_SENSE_CMD;
 282
 283 ///
 284 /// READ (10) Command, defined in SFF-8070i(ATAPI Removable Rewritable Specification)
 285 ///
 286 typedef struct {
 287   UINT8 opcode;
 288   UINT8 reserved_1 : 5;
 289   UINT8 lun : 3;
 290   UINT8 Lba0;
 291   UINT8 Lba1;
 292   UINT8 Lba2;
 293   UINT8 Lba3;
 294   UINT8 reserved_6;
 295   UINT8 TranLen0;
 296   UINT8 TranLen1;
 297   UINT8 reserved_9;
 298   UINT8 reserved_10;
 299   UINT8 reserved_11;
 300 } ATAPI_READ10_CMD;
 301
 302 ///
 303 /// READ Format Capacity Command, defined in SFF-8070i(ATAPI Removable Rewritable Specification)
 304 ///
 305 typedef struct {
 306   UINT8 opcode;
 307   UINT8 reserved_1 : 5;
 308   UINT8 lun : 3;
 309   UINT8 reserved_2;
 310   UINT8 reserved_3;
 311   UINT8 reserved_4;
 312   UINT8 reserved_5;
 313   UINT8 reserved_6;
 314   UINT8 allocation_length_hi;
 315   UINT8 allocation_length_lo;
 316   UINT8 reserved_9;
 317   UINT8 reserved_10;
 318   UINT8 reserved_11;
 319 } ATAPI_READ_FORMAT_CAP_CMD;
 320
 321 ///
 322 /// MODE SENSE Command, defined in SFF-8070i(ATAPI Removable Rewritable Specification)
 323 ///
 324 typedef struct {
 325   UINT8 opcode;
 326   UINT8 reserved_1 : 5;
 327   UINT8 lun : 3;
 328   UINT8 page_code : 6;
 329   UINT8 page_control : 2;
 330   UINT8 reserved_3;
 331   UINT8 reserved_4;
 332   UINT8 reserved_5;
 333   UINT8 reserved_6;
 334   UINT8 parameter_list_length_hi;
 335   UINT8 parameter_list_length_lo;
 336   UINT8 reserved_9;
 337   UINT8 reserved_10;
 338   UINT8 reserved_11;
 339 } ATAPI_MODE_SENSE_CMD;
 340
 341 ///
 342 /// ATAPI_PACKET_COMMAND is not defined in ATA specification.
 343 /// We add it here for the convenience for ATA/ATAPI module writer.
 344 ///
 345 typedef union {
 346   UINT16                    Data16[6];
 347   ATAPI_TEST_UNIT_READY_CMD TestUnitReady;
 348   ATAPI_READ10_CMD          Read10;
 349   ATAPI_REQUEST_SENSE_CMD   RequestSence;
 350   ATAPI_INQUIRY_CMD         Inquiry;
 351   ATAPI_MODE_SENSE_CMD      ModeSense;
 352   ATAPI_READ_FORMAT_CAP_CMD ReadFormatCapacity;
 353 } ATAPI_PACKET_COMMAND;
 354
 355 #pragma pack()
 356
 357
 358 #define ATAPI_MAX_DMA_EXT_CMD_SECTORS 0x10000
 359 #define ATAPI_MAX_DMA_CMD_SECTORS     0x100
 360
 361 //
 362 // ATA Packet Command Code
 363 //
 364 #define ATA_CMD_SOFT_RESET                  0x08   ///< defined from ATA-3
 365 #define ATA_CMD_PACKET                      0xA0   ///< defined from ATA-3
 366 #define ATA_CMD_IDENTIFY_DEVICE             0xA1   ///< defined from ATA-3
 367 #define ATA_CMD_SERVICE                     0xA2   ///< defined from ATA-3
 368 #define ATA_CMD_TEST_UNIT_READY             0x00   ///< defined from ATA-1
 369 #define ATA_CMD_REQUEST_SENSE               0x03   ///< defined from ATA-4
 370 #define ATA_CMD_INQUIRY                     0x12   ///< defined in ATAPI Removable Rewritable Media Devcies
 371 #define ATA_CMD_READ_FORMAT_CAPACITY        0x23   ///< defined in ATAPI Removable Rewritable Media Devcies
 372 #define ATA_CMD_READ_CAPACITY               0x25   ///< defined in ATAPI Removable Rewritable Media Devcies
 373 #define ATA_CMD_READ_10                     0x28   ///< defined in ATAPI Removable Rewritable Media Devcies
 374 #define ATA_CMD_WRITE_10                    0x2A   ///< defined in ATAPI Removable Rewritable Media Devcies
 375
 376 //
 377 // ATA Commands Code
 378 //
 379
 380 //
 381 // Class 1: PIO Data-In Commands
 382 //
 383 #define ATA_CMD_IDENTIFY_DRIVE          0xec   ///< defined from ATA-3
 384 #define ATA_CMD_READ_BUFFER             0xe4   ///< defined from ATA-1
 385 #define ATA_CMD_READ_SECTORS            0x20   ///< defined from ATA-1
 386 #define ATA_CMD_READ_SECTORS_WITH_RETRY 0x21   ///< defined from ATA-1, obsoleted from ATA-5
 387 #define ATA_CMD_READ_LONG               0x22   ///< defined from ATA-1, obsoleted from ATA-5
 388 #define ATA_CMD_READ_LONG_WITH_RETRY    0x23   ///< defined from ATA-1, obsoleted from ATA-5
 389 #define ATA_CMD_READ_SECTORS_EXT        0x24   ///< defined from ATA-6
 390
 391 //
 392 // Class 2: PIO Data-Out Commands
 393 //
 394 #define ATA_CMD_FORMAT_TRACK              0x50  ///< defined from ATA-1, obsoleted from ATA-4
 395 #define ATA_CMD_WRITE_BUFFER              0xe8  ///< defined from ATA-1
 396 #define ATA_CMD_WRITE_SECTORS             0x30  ///< defined from ATA-1
 397 #define ATA_CMD_WRITE_SECTORS_WITH_RETRY  0x31  ///< defined from ATA-1, obsoleted from ATA-5
 398 #define ATA_CMD_WRITE_LONG                0x32  ///< defined from ATA-1, obsoleted from ATA-5
 399 #define ATA_CMD_WRITE_LONG_WITH_RETRY     0x33  ///< defined from ATA-1, obsoleted from ATA-5
 400 #define ATA_CMD_WRITE_VERIFY              0x3c  ///< defined from ATA-1, obsoleted from ATA-5
 401 #define ATA_CMD_WRITE_SECTORS_EXT         0x34  ///< defined from ATA-6
 402
 403 //
 404 // Class 3 No Data Command
 405 //
 406 #define ATA_CMD_ACK_MEDIA_CHANGE        0xdb  ///< defined from ATA-1, obsoleted from ATA-5
 407 #define ATA_CMD_BOOT_POST_BOOT          0xdc  ///< defined from ATA-1, obsoleted from ATA-3
 408 #define ATA_CMD_BOOT_PRE_BOOT           0xdd  ///< defined from ATA-1, obsoleted from ATA-3
 409 #define ATA_CMD_CHECK_POWER_MODE        0x98  ///< defined from ATA-1, obsoleted from ATA-4
 410 #define ATA_CMD_CHECK_POWER_MODE_ALIAS  0xe5  ///< defined from ATA-1
 411 #define ATA_CMD_DOOR_LOCK               0xde  ///< defined from ATA-1
 412 #define ATA_CMD_DOOR_UNLOCK             0xdf  ///< defined from ATA-1
 413 #define ATA_CMD_EXEC_DRIVE_DIAG         0x90  ///< defined from ATA-1
 414 #define ATA_CMD_IDLE_ALIAS              0x97  ///< defined from ATA-1, obsoleted from ATA-4
 415 #define ATA_CMD_IDLE                    0xe3  ///< defined from ATA-1
 416 #define ATA_CMD_IDLE_IMMEDIATE          0x95  ///< defined from ATA-1, obsoleted from ATA-4
 417 #define ATA_CMD_IDLE_IMMEDIATE_ALIAS    0xe1  ///< defined from ATA-1
 418 #define ATA_CMD_INIT_DRIVE_PARAM        0x91  ///< defined from ATA-1, obsoleted from ATA-6
 419 #define ATA_CMD_RECALIBRATE             0x10  ///< defined from ATA-1, obsoleted from ATA-4
 420 #define ATA_CMD_READ_DRIVE_STATE        0xe9  ///< defined from ATA-1, obsoleted from ATA-3
 421 #define ATA_CMD_SET_MULTIPLE_MODE       0xC6  ///< defined from ATA-2
 422 #define ATA_CMD_READ_VERIFY             0x40  ///< defined from ATA-1
 423 #define ATA_CMD_READ_VERIFY_WITH_RETRY  0x41  ///< defined from ATA-1, obsoleted from ATA-5
 424 #define ATA_CMD_SEEK                    0x70  ///< defined from ATA-1
 425 #define ATA_CMD_SET_FEATURES            0xef  ///< defined from ATA-1
 426 #define ATA_CMD_STANDBY                 0x96  ///< defined from ATA-1, obsoleted from ATA-4
 427 #define ATA_CMD_STANDBY_ALIAS           0xe2  ///< defined from ATA-1
 428 #define ATA_CMD_STANDBY_IMMEDIATE       0x94  ///< defined from ATA-1, obsoleted from ATA-4
 429 #define ATA_CMD_STANDBY_IMMEDIATE_ALIAS 0xe0  ///< defined from ATA-1
 430 //
 431 // S.M.A.R.T
 432 //
 433 #define ATA_CMD_SMART               0xb0  ///< defined from ATA-3
 434 #define ATA_CONSTANT_C2             0xc2  ///< reserved
 435 #define ATA_CONSTANT_4F             0x4f  ///< reserved
 436 #define ATA_SMART_ENABLE_OPERATION  0xd8  ///< reserved
 437 #define ATA_SMART_RETURN_STATUS     0xda  ///< defined from ATA-3
 438
 439 //
 440 // Class 4: DMA Command
 441 //
 442 #define ATA_CMD_READ_DMA              0xc8   ///< defined from ATA-1
 443 #define ATA_CMD_READ_DMA_WITH_RETRY   0xc9   ///< defined from ATA-1, obsoleted from ATA-5
 444 #define ATA_CMD_READ_DMA_EXT          0x25   ///< defined from ATA-6
 445 #define ATA_CMD_WRITE_DMA             0xca   ///< defined from ATA-1
 446 #define ATA_CMD_WRITE_DMA_WITH_RETRY  0xcb   ///< defined from ATA-1, obsoleted from ATA-
 447 #define ATA_CMD_WRITE_DMA_EXT         0x35   ///< defined from ATA-6
 448
 449 ///
 450 /// default content of device control register, disable INT,
 451 /// Bit3 is set to 1 according ATA-1
 452 ///
 453 #define ATA_DEFAULT_CTL           (0x0a)
 454 ///
 455 /// default context of Device/Head Register,
 456 /// Bit7 and Bit5 are set to 1 for back-compatibilities
 457 ///
 458 #define ATA_DEFAULT_CMD           (0xa0)
 459
 460 #define ATAPI_MAX_BYTE_COUNT  (0xfffe)
 461
 462 #define ATA_REQUEST_SENSE_ERROR (0x70) ///< defined in SFF-8070i
 463
 464 //
 465 // Sense Key, Additional Sense Codes and Additional Sense Code Qualifier
 466 // defined in MultiMedia Commands (MMC, MMC-2)
 467 //
 468 // Sense Key
 469 //
 470 #define ATA_SK_NO_SENSE         (0x0)
 471 #define ATA_SK_RECOVERY_ERROR   (0x1)
 472 #define ATA_SK_NOT_READY        (0x2)
 473 #define ATA_SK_MEDIUM_ERROR     (0x3)
 474 #define ATA_SK_HARDWARE_ERROR   (0x4)
 475 #define ATA_SK_ILLEGAL_REQUEST  (0x5)
 476 #define ATA_SK_UNIT_ATTENTION   (0x6)
 477 #define ATA_SK_DATA_PROTECT     (0x7)
 478 #define ATA_SK_BLANK_CHECK      (0x8)
 479 #define ATA_SK_VENDOR_SPECIFIC  (0x9)
 480 #define ATA_SK_RESERVED_A       (0xA)
 481 #define ATA_SK_ABORT            (0xB)
 482 #define ATA_SK_RESERVED_C       (0xC)
 483 #define ATA_SK_OVERFLOW         (0xD)
 484 #define ATA_SK_MISCOMPARE       (0xE)
 485 #define ATA_SK_RESERVED_F       (0xF)
 486
 487 //
 488 // Additional Sense Codes
 489 //
 490 #define ATA_ASC_NOT_READY                   (0x04)
 491 #define ATA_ASC_MEDIA_ERR1                  (0x10)
 492 #define ATA_ASC_MEDIA_ERR2                  (0x11)
 493 #define ATA_ASC_MEDIA_ERR3                  (0x14)
 494 #define ATA_ASC_MEDIA_ERR4                  (0x30)
 495 #define ATA_ASC_MEDIA_UPSIDE_DOWN           (0x06)
 496 #define ATA_ASC_INVALID_CMD                 (0x20)
 497 #define ATA_ASC_LBA_OUT_OF_RANGE            (0x21)
 498 #define ATA_ASC_INVALID_FIELD               (0x24)
 499 #define ATA_ASC_WRITE_PROTECTED             (0x27)
 500 #define ATA_ASC_MEDIA_CHANGE                (0x28)
 501 #define ATA_ASC_RESET                       (0x29)  ///< Power On Reset or Bus Reset occurred
 502 #define ATA_ASC_ILLEGAL_FIELD               (0x26)
 503 #define ATA_ASC_NO_MEDIA                    (0x3A)
 504 #define ATA_ASC_ILLEGAL_MODE_FOR_THIS_TRACK (0x64)
 505
 506 //
 507 // Additional Sense Code Qualifier
 508 //
 509 #define ATA_ASCQ_IN_PROGRESS  (0x01)
 510
 511 //
 512 // Error Register
 513 //
 514 #define ATA_ERRREG_BBK   BIT7  ///< Bad block detected      defined from ATA-1, obsoleted from ATA-2
 515 #define ATA_ERRREG_UNC   BIT6  ///< Uncorrectable Data      defined from ATA-1, obsoleted from ATA-4
 516 #define ATA_ERRREG_MC    BIT5  ///< Media Change            defined from ATA-1, obsoleted from ATA-4
 517 #define ATA_ERRREG_IDNF  BIT4  ///< ID Not Found            defined from ATA-1, obsoleted from ATA-4
 518 #define ATA_ERRREG_MCR   BIT3  ///< Media Change Requested  defined from ATA-1, obsoleted from ATA-4
 519 #define ATA_ERRREG_ABRT  BIT2  ///< Aborted Command         defined from ATA-1
 520 #define ATA_ERRREG_TK0NF BIT1  ///< Track 0 Not Found       defined from ATA-1, obsoleted from ATA-4
 521 #define ATA_ERRREG_AMNF  BIT0  ///< Address Mark Not Found  defined from ATA-1, obsoleted from ATA-4
 522
 523 //
 524 // Status Register
 525 //
 526 #define ATA_STSREG_BSY   BIT7  ///< Controller Busy         defined from ATA-1
 527 #define ATA_STSREG_DRDY  BIT6  ///< Drive Ready             defined from ATA-1
 528 #define ATA_STSREG_DWF   BIT5  ///< Drive Write Fault       defined from ATA-1, obsoleted from ATA-4
 529 #define ATA_STSREG_DF    BIT5  ///< Drive Fault             defined from ATA-6
 530 #define ATA_STSREG_DSC   BIT4  ///< Disk Seek Complete      defined from ATA-1, obsoleted from ATA-4
 531 #define ATA_STSREG_DRQ   BIT3  ///< Data Request            defined from ATA-1
 532 #define ATA_STSREG_CORR  BIT2  ///< Corrected Data          defined from ATA-1, obsoleted from ATA-4
 533 #define ATA_STSREG_IDX   BIT1  ///< Index                   defined from ATA-1, obsoleted from ATA-4
 534 #define ATA_STSREG_ERR   BIT0  ///< Error                   defined from ATA-1
 535
 536 //
 537 // Device Control Register
 538 //
 539 #define ATA_CTLREG_SRST  BIT2  ///< Software Reset
 540 #define ATA_CTLREG_IEN_L BIT1  ///< Interrupt Enable #
 541
 542 #endif
 543