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 - 2018, Intel Corporation. All rights reserved.<BR> 6 SPDX-License-Identifier: BSD-2-Clause-Patent 7 8 **/ 9 10 #ifndef _ATAPI_H_ 11 #define _ATAPI_H_ 12 13 #pragma pack(1) 14 15 /// 16 /// ATA5_IDENTIFY_DATA is defined in ATA-5. 17 /// (This structure is provided mainly for backward-compatibility support. 18 /// Old drivers may reference fields that are marked "obsolete" in 19 /// ATA_IDENTIFY_DATA, which currently conforms to ATA-8.) 20 /// 21 typedef struct { 22 UINT16 config; ///< General Configuration. 23 UINT16 cylinders; ///< Number of Cylinders. 24 UINT16 reserved_2; 25 UINT16 heads; ///< Number of logical heads. 26 UINT16 vendor_data1; 27 UINT16 vendor_data2; 28 UINT16 sectors_per_track; 29 UINT16 vendor_specific_7_9[3]; 30 CHAR8 SerialNo[20]; ///< ASCII 31 UINT16 vendor_specific_20_21[2]; 32 UINT16 ecc_bytes_available; 33 CHAR8 FirmwareVer[8]; ///< ASCII 34 CHAR8 ModelName[40]; ///< ASCII 35 UINT16 multi_sector_cmd_max_sct_cnt; 36 UINT16 reserved_48; 37 UINT16 capabilities; 38 UINT16 reserved_50; 39 UINT16 pio_cycle_timing; 40 UINT16 reserved_52; 41 UINT16 field_validity; 42 UINT16 current_cylinders; 43 UINT16 current_heads; 44 UINT16 current_sectors; 45 UINT16 CurrentCapacityLsb; 46 UINT16 CurrentCapacityMsb; 47 UINT16 reserved_59; 48 UINT16 user_addressable_sectors_lo; 49 UINT16 user_addressable_sectors_hi; 50 UINT16 reserved_62; 51 UINT16 multi_word_dma_mode; 52 UINT16 advanced_pio_modes; 53 UINT16 min_multi_word_dma_cycle_time; 54 UINT16 rec_multi_word_dma_cycle_time; 55 UINT16 min_pio_cycle_time_without_flow_control; 56 UINT16 min_pio_cycle_time_with_flow_control; 57 UINT16 reserved_69_79[11]; 58 UINT16 major_version_no; 59 UINT16 minor_version_no; 60 UINT16 command_set_supported_82; ///< word 82 61 UINT16 command_set_supported_83; ///< word 83 62 UINT16 command_set_feature_extn; ///< word 84 63 UINT16 command_set_feature_enb_85; ///< word 85 64 UINT16 command_set_feature_enb_86; ///< word 86 65 UINT16 command_set_feature_default; ///< word 87 66 UINT16 ultra_dma_mode; ///< word 88 67 UINT16 reserved_89_127[39]; 68 UINT16 security_status; 69 UINT16 vendor_data_129_159[31]; 70 UINT16 reserved_160_255[96]; 71 } ATA5_IDENTIFY_DATA; 72 73 /// 74 /// ATA_IDENTIFY_DATA strictly complies with ATA/ATAPI-8 Spec 75 /// to define the data returned by an ATA device upon successful 76 /// completion of the ATA IDENTIFY_DEVICE command. 77 /// 78 typedef struct { 79 UINT16 config; ///< General Configuration. 80 UINT16 obsolete_1; 81 UINT16 specific_config; ///< Specific Configuration. 82 UINT16 obsolete_3; 83 UINT16 retired_4_5[2]; 84 UINT16 obsolete_6; 85 UINT16 cfa_reserved_7_8[2]; 86 UINT16 retired_9; 87 CHAR8 SerialNo[20]; ///< word 10~19 88 UINT16 retired_20_21[2]; 89 UINT16 obsolete_22; 90 CHAR8 FirmwareVer[8]; ///< word 23~26 91 CHAR8 ModelName[40]; ///< word 27~46 92 UINT16 multi_sector_cmd_max_sct_cnt; 93 UINT16 trusted_computing_support; 94 UINT16 capabilities_49; 95 UINT16 capabilities_50; 96 UINT16 obsolete_51_52[2]; 97 UINT16 field_validity; 98 UINT16 obsolete_54_58[5]; 99 UINT16 multi_sector_setting; 100 UINT16 user_addressable_sectors_lo; 101 UINT16 user_addressable_sectors_hi; 102 UINT16 obsolete_62; 103 UINT16 multi_word_dma_mode; 104 UINT16 advanced_pio_modes; 105 UINT16 min_multi_word_dma_cycle_time; 106 UINT16 rec_multi_word_dma_cycle_time; 107 UINT16 min_pio_cycle_time_without_flow_control; 108 UINT16 min_pio_cycle_time_with_flow_control; 109 UINT16 additional_supported; ///< word 69 110 UINT16 reserved_70; 111 UINT16 reserved_71_74[4]; ///< Reserved for IDENTIFY PACKET DEVICE cmd. 112 UINT16 queue_depth; 113 UINT16 serial_ata_capabilities; 114 UINT16 reserved_77; ///< Reserved for Serial ATA 115 UINT16 serial_ata_features_supported; 116 UINT16 serial_ata_features_enabled; 117 UINT16 major_version_no; 118 UINT16 minor_version_no; 119 UINT16 command_set_supported_82; ///< word 82 120 UINT16 command_set_supported_83; ///< word 83 121 UINT16 command_set_feature_extn; ///< word 84 122 UINT16 command_set_feature_enb_85; ///< word 85 123 UINT16 command_set_feature_enb_86; ///< word 86 124 UINT16 command_set_feature_default; ///< word 87 125 UINT16 ultra_dma_mode; ///< word 88 126 UINT16 time_for_security_erase_unit; 127 UINT16 time_for_enhanced_security_erase_unit; 128 UINT16 advanced_power_management_level; 129 UINT16 master_password_identifier; 130 UINT16 hardware_configuration_test_result; 131 UINT16 obsolete_94; 132 UINT16 stream_minimum_request_size; 133 UINT16 streaming_transfer_time_for_dma; 134 UINT16 streaming_access_latency_for_dma_and_pio; 135 UINT16 streaming_performance_granularity[2]; ///< word 98~99 136 UINT16 maximum_lba_for_48bit_addressing[4]; ///< word 100~103 137 UINT16 streaming_transfer_time_for_pio; 138 UINT16 max_no_of_512byte_blocks_per_data_set_cmd; 139 UINT16 phy_logic_sector_support; ///< word 106 140 UINT16 interseek_delay_for_iso7779; 141 UINT16 world_wide_name[4]; ///< word 108~111 142 UINT16 reserved_for_128bit_wwn_112_115[4]; 143 UINT16 reserved_for_technical_report; 144 UINT16 logic_sector_size_lo; ///< word 117 145 UINT16 logic_sector_size_hi; ///< word 118 146 UINT16 features_and_command_sets_supported_ext; ///< word 119 147 UINT16 features_and_command_sets_enabled_ext; ///< word 120 148 UINT16 reserved_121_126[6]; 149 UINT16 obsolete_127; 150 UINT16 security_status; ///< word 128 151 UINT16 vendor_specific_129_159[31]; 152 UINT16 cfa_power_mode; ///< word 160 153 UINT16 reserved_for_compactflash_161_167[7]; 154 UINT16 device_nominal_form_factor; 155 UINT16 is_data_set_cmd_supported; 156 CHAR8 additional_product_identifier[8]; 157 UINT16 reserved_174_175[2]; 158 CHAR8 media_serial_number[60]; ///< word 176~205 159 UINT16 sct_command_transport; ///< word 206 160 UINT16 reserved_207_208[2]; 161 UINT16 alignment_logic_in_phy_blocks; ///< word 209 162 UINT16 write_read_verify_sector_count_mode3[2]; ///< word 210~211 163 UINT16 verify_sector_count_mode2[2]; 164 UINT16 nv_cache_capabilities; 165 UINT16 nv_cache_size_in_logical_block_lsw; ///< word 215 166 UINT16 nv_cache_size_in_logical_block_msw; ///< word 216 167 UINT16 nominal_media_rotation_rate; 168 UINT16 reserved_218; 169 UINT16 nv_cache_options; ///< word 219 170 UINT16 write_read_verify_mode; ///< word 220 171 UINT16 reserved_221; 172 UINT16 transport_major_revision_number; 173 UINT16 transport_minor_revision_number; 174 UINT16 reserved_224_229[6]; 175 UINT64 extended_no_of_addressable_sectors; 176 UINT16 min_number_per_download_microcode_mode3; ///< word 234 177 UINT16 max_number_per_download_microcode_mode3; ///< word 235 178 UINT16 reserved_236_254[19]; 179 UINT16 integrity_word; 180 } ATA_IDENTIFY_DATA; 181 182 /// 183 /// ATAPI_IDENTIFY_DATA strictly complies with ATA/ATAPI-8 Spec 184 /// to define the data returned by an ATAPI device upon successful 185 /// completion of the ATA IDENTIFY_PACKET_DEVICE command. 186 /// 187 typedef struct { 188 UINT16 config; ///< General Configuration. 189 UINT16 reserved_1; 190 UINT16 specific_config; ///< Specific Configuration. 191 UINT16 reserved_3_9[7]; 192 CHAR8 SerialNo[20]; ///< word 10~19 193 UINT16 reserved_20_22[3]; 194 CHAR8 FirmwareVer[8]; ///< word 23~26 195 CHAR8 ModelName[40]; ///< word 27~46 196 UINT16 reserved_47_48[2]; 197 UINT16 capabilities_49; 198 UINT16 capabilities_50; 199 UINT16 obsolete_51; 200 UINT16 reserved_52; 201 UINT16 field_validity; ///< word 53 202 UINT16 reserved_54_61[8]; 203 UINT16 dma_dir; 204 UINT16 multi_word_dma_mode; ///< word 63 205 UINT16 advanced_pio_modes; ///< word 64 206 UINT16 min_multi_word_dma_cycle_time; 207 UINT16 rec_multi_word_dma_cycle_time; 208 UINT16 min_pio_cycle_time_without_flow_control; 209 UINT16 min_pio_cycle_time_with_flow_control; 210 UINT16 reserved_69_70[2]; 211 UINT16 obsolete_71_72[2]; 212 UINT16 reserved_73_74[2]; 213 UINT16 obsolete_75; 214 UINT16 serial_ata_capabilities; 215 UINT16 reserved_77; ///< Reserved for Serial ATA 216 UINT16 serial_ata_features_supported; 217 UINT16 serial_ata_features_enabled; 218 UINT16 major_version_no; ///< word 80 219 UINT16 minor_version_no; ///< word 81 220 UINT16 cmd_set_support_82; 221 UINT16 cmd_set_support_83; 222 UINT16 cmd_feature_support; 223 UINT16 cmd_feature_enable_85; 224 UINT16 cmd_feature_enable_86; 225 UINT16 cmd_feature_default; 226 UINT16 ultra_dma_select; 227 UINT16 time_required_for_sec_erase; ///< word 89 228 UINT16 time_required_for_enhanced_sec_erase; ///< word 90 229 UINT16 advanced_power_management_level; 230 UINT16 master_pwd_revison_code; 231 UINT16 hardware_reset_result; ///< word 93 232 UINT16 obsolete_94; 233 UINT16 reserved_95_107[13]; 234 UINT16 world_wide_name[4]; ///< word 108~111 235 UINT16 reserved_for_128bit_wwn_112_115[4]; 236 UINT16 reserved_116_118[3]; 237 UINT16 command_and_feature_sets_supported; ///< word 119 238 UINT16 command_and_feature_sets_supported_enabled; 239 UINT16 reserved_121_124[4]; 240 UINT16 atapi_byte_count_0_behavior; ///< word 125 241 UINT16 obsolete_126_127[2]; 242 UINT16 security_status; 243 UINT16 reserved_129_159[31]; 244 UINT16 cfa_reserved_160_175[16]; 245 UINT16 reserved_176_221[46]; 246 UINT16 transport_major_version; 247 UINT16 transport_minor_version; 248 UINT16 reserved_224_254[31]; 249 UINT16 integrity_word; 250 } ATAPI_IDENTIFY_DATA; 251 252 /// 253 /// Standard Quiry Data format, defined in SFF-8070i(ATAPI Removable Rewritable Specification). 254 /// 255 typedef struct { 256 UINT8 peripheral_type; 257 UINT8 RMB; 258 UINT8 version; 259 UINT8 response_data_format; 260 UINT8 addnl_length; ///< n - 4, Numbers of bytes following this one. 261 UINT8 reserved_5; 262 UINT8 reserved_6; 263 UINT8 reserved_7; 264 UINT8 vendor_info[8]; 265 UINT8 product_id[16]; 266 UINT8 product_revision_level[4]; 267 UINT8 vendor_specific_36_55[55 - 36 + 1]; 268 UINT8 reserved_56_95[95 - 56 + 1]; 269 /// 270 /// Vendor-specific parameters fields. The sizeof (ATAPI_INQUIRY_DATA) is 254 271 /// since allocation_length is one byte in ATAPI_INQUIRY_CMD. 272 /// 273 UINT8 vendor_specific_96_253[253 - 96 + 1]; 274 } ATAPI_INQUIRY_DATA; 275 276 /// 277 /// Request Sense Standard Data, defined in SFF-8070i(ATAPI Removable Rewritable Specification). 278 /// 279 typedef struct { 280 UINT8 error_code : 7; 281 UINT8 valid : 1; 282 UINT8 reserved_1; 283 UINT8 sense_key : 4; 284 UINT8 reserved_2 : 1; 285 UINT8 Vendor_specifc_1 : 3; 286 UINT8 vendor_specific_3; 287 UINT8 vendor_specific_4; 288 UINT8 vendor_specific_5; 289 UINT8 vendor_specific_6; 290 UINT8 addnl_sense_length; ///< n - 7 291 UINT8 vendor_specific_8; 292 UINT8 vendor_specific_9; 293 UINT8 vendor_specific_10; 294 UINT8 vendor_specific_11; 295 UINT8 addnl_sense_code; ///< mandatory 296 UINT8 addnl_sense_code_qualifier; ///< mandatory 297 UINT8 field_replaceable_unit_code; ///< optional 298 UINT8 sense_key_specific_15 : 7; 299 UINT8 SKSV : 1; 300 UINT8 sense_key_specific_16; 301 UINT8 sense_key_specific_17; 302 } ATAPI_REQUEST_SENSE_DATA; 303 304 /// 305 /// READ CAPACITY Data, defined in SFF-8070i(ATAPI Removable Rewritable Specification). 306 /// 307 typedef struct { 308 UINT8 LastLba3; 309 UINT8 LastLba2; 310 UINT8 LastLba1; 311 UINT8 LastLba0; 312 UINT8 BlockSize3; 313 UINT8 BlockSize2; 314 UINT8 BlockSize1; 315 UINT8 BlockSize0; 316 } ATAPI_READ_CAPACITY_DATA; 317 318 /// 319 /// Capacity List Header + Current/Maximum Capacity Descriptor, 320 /// defined in SFF-8070i(ATAPI Removable Rewritable Specification). 321 /// 322 typedef struct { 323 UINT8 reserved_0; 324 UINT8 reserved_1; 325 UINT8 reserved_2; 326 UINT8 Capacity_Length; 327 UINT8 LastLba3; 328 UINT8 LastLba2; 329 UINT8 LastLba1; 330 UINT8 LastLba0; 331 UINT8 DesCode : 2; 332 UINT8 reserved_9 : 6; 333 UINT8 BlockSize2; 334 UINT8 BlockSize1; 335 UINT8 BlockSize0; 336 } ATAPI_READ_FORMAT_CAPACITY_DATA; 337 338 /// 339 /// Test Unit Ready Command, defined in SFF-8070i(ATAPI Removable Rewritable Specification). 340 /// 341 typedef struct { 342 UINT8 opcode; 343 UINT8 reserved_1; 344 UINT8 reserved_2; 345 UINT8 reserved_3; 346 UINT8 reserved_4; 347 UINT8 reserved_5; 348 UINT8 reserved_6; 349 UINT8 reserved_7; 350 UINT8 reserved_8; 351 UINT8 reserved_9; 352 UINT8 reserved_10; 353 UINT8 reserved_11; 354 } ATAPI_TEST_UNIT_READY_CMD; 355 356 /// 357 /// INQUIRY Command, defined in SFF-8070i(ATAPI Removable Rewritable Specification). 358 /// 359 typedef struct { 360 UINT8 opcode; 361 UINT8 reserved_1 : 5; 362 UINT8 lun : 3; 363 UINT8 page_code; ///< defined in SFF8090i, V6 364 UINT8 reserved_3; 365 UINT8 allocation_length; 366 UINT8 reserved_5; 367 UINT8 reserved_6; 368 UINT8 reserved_7; 369 UINT8 reserved_8; 370 UINT8 reserved_9; 371 UINT8 reserved_10; 372 UINT8 reserved_11; 373 } ATAPI_INQUIRY_CMD; 374 375 /// 376 /// REQUEST SENSE Command, defined in SFF-8070i(ATAPI Removable Rewritable Specification). 377 /// 378 typedef struct { 379 UINT8 opcode; 380 UINT8 reserved_1 : 5; 381 UINT8 lun : 3; 382 UINT8 reserved_2; 383 UINT8 reserved_3; 384 UINT8 allocation_length; 385 UINT8 reserved_5; 386 UINT8 reserved_6; 387 UINT8 reserved_7; 388 UINT8 reserved_8; 389 UINT8 reserved_9; 390 UINT8 reserved_10; 391 UINT8 reserved_11; 392 } ATAPI_REQUEST_SENSE_CMD; 393 394 /// 395 /// READ (10) Command, defined in SFF-8070i(ATAPI Removable Rewritable Specification). 396 /// 397 typedef struct { 398 UINT8 opcode; 399 UINT8 reserved_1 : 5; 400 UINT8 lun : 3; 401 UINT8 Lba0; 402 UINT8 Lba1; 403 UINT8 Lba2; 404 UINT8 Lba3; 405 UINT8 reserved_6; 406 UINT8 TranLen0; 407 UINT8 TranLen1; 408 UINT8 reserved_9; 409 UINT8 reserved_10; 410 UINT8 reserved_11; 411 } ATAPI_READ10_CMD; 412 413 /// 414 /// READ Format Capacity Command, defined in SFF-8070i(ATAPI Removable Rewritable Specification). 415 /// 416 typedef struct { 417 UINT8 opcode; 418 UINT8 reserved_1 : 5; 419 UINT8 lun : 3; 420 UINT8 reserved_2; 421 UINT8 reserved_3; 422 UINT8 reserved_4; 423 UINT8 reserved_5; 424 UINT8 reserved_6; 425 UINT8 allocation_length_hi; 426 UINT8 allocation_length_lo; 427 UINT8 reserved_9; 428 UINT8 reserved_10; 429 UINT8 reserved_11; 430 } ATAPI_READ_FORMAT_CAP_CMD; 431 432 /// 433 /// MODE SENSE Command, defined in SFF-8070i(ATAPI Removable Rewritable Specification). 434 /// 435 typedef struct { 436 UINT8 opcode; 437 UINT8 reserved_1 : 5; 438 UINT8 lun : 3; 439 UINT8 page_code : 6; 440 UINT8 page_control : 2; 441 UINT8 reserved_3; 442 UINT8 reserved_4; 443 UINT8 reserved_5; 444 UINT8 reserved_6; 445 UINT8 parameter_list_length_hi; 446 UINT8 parameter_list_length_lo; 447 UINT8 reserved_9; 448 UINT8 reserved_10; 449 UINT8 reserved_11; 450 } ATAPI_MODE_SENSE_CMD; 451 452 /// 453 /// ATAPI_PACKET_COMMAND is not defined in the ATA specification. 454 /// We add it here for the convenience of ATA/ATAPI module writers. 455 /// 456 typedef union { 457 UINT16 Data16[6]; 458 ATAPI_TEST_UNIT_READY_CMD TestUnitReady; 459 ATAPI_READ10_CMD Read10; 460 ATAPI_REQUEST_SENSE_CMD RequestSence; 461 ATAPI_INQUIRY_CMD Inquiry; 462 ATAPI_MODE_SENSE_CMD ModeSense; 463 ATAPI_READ_FORMAT_CAP_CMD ReadFormatCapacity; 464 } ATAPI_PACKET_COMMAND; 465 466 #pragma pack() 467 468 #define ATAPI_MAX_DMA_EXT_CMD_SECTORS 0x10000 469 #define ATAPI_MAX_DMA_CMD_SECTORS 0x100 470 471 // ATA/ATAPI Signature equates 472 #define ATA_SIGNATURE 0x0101 ///< defined in ACS-3 473 #define ATAPI_SIGNATURE 0xeb14 ///< defined in ACS-3 474 #define ATAPI_SIGNATURE_32 0xeb140101 ///< defined in ACS-3 475 476 // Spin Up Configuration definitions 477 #define ATA_SPINUP_CFG_REQUIRED_IDD_INCOMPLETE 0x37c8 ///< defined in ACS-3 478 #define ATA_SPINUP_CFG_REQUIRED_IDD_COMPLETE 0x738c ///< defined in ACS-3 479 #define ATA_SPINUP_CFG_NOT_REQUIRED_IDD_INCOMPLETE 0x8c73 ///< defined in ACS-3 480 #define ATA_SPINUP_CFG_NOT_REQUIRED_IDD_COMPLETE 0xc837 ///< defined in ACS-3 481 482 // 483 // ATA Packet Command Code 484 // 485 #define ATA_CMD_FORMAT_UNIT 0x04 ///< defined in ATAPI Removable Rewritable Media Devices 486 #define ATA_CMD_SOFT_RESET 0x08 ///< defined from ATA-3 487 #define ATA_CMD_PACKET 0xA0 ///< defined from ATA-3 488 #define ATA_CMD_IDENTIFY_DEVICE 0xA1 ///< defined from ATA-3 489 #define ATA_CMD_SERVICE 0xA2 ///< defined from ATA-3 490 #define ATA_CMD_TEST_UNIT_READY 0x00 ///< defined from ATA-1 491 #define ATA_CMD_REQUEST_SENSE 0x03 ///< defined from ATA-4 492 #define ATA_CMD_INQUIRY 0x12 ///< defined in ATAPI Removable Rewritable Media Devices 493 #define ATA_CMD_READ_FORMAT_CAPACITY 0x23 ///< defined in ATAPI Removable Rewritable Media Devices 494 #define ATA_CMD_READ_CAPACITY 0x25 ///< defined in ATAPI Removable Rewritable Media Devices 495 #define ATA_CMD_READ_10 0x28 ///< defined in ATAPI Removable Rewritable Media Devices 496 #define ATA_CMD_WRITE_10 0x2A ///< defined in ATAPI Removable Rewritable Media Devices 497 #define ATA_CMD_ATAPI_SEEK 0x2B ///< defined in ATAPI Removable Rewritable Media Devices 498 #define ATA_CMD_WRITE_AND_VERIFY 0x2E ///< defined in ATAPI Removable Rewritable Media Devices 499 #define ATA_CMD_VERIFY 0x2F ///< defined in ATAPI Removable Rewritable Media Devices 500 #define ATA_CMD_READ_12 0xA8 ///< defined in ATAPI Removable Rewritable Media Devices 501 #define ATA_CMD_WRITE_12 0xAA ///< defined in ATAPI Removable Rewritable Media Devices 502 #define ATA_CMD_START_STOP_UNIT 0x1B ///< defined in ATAPI Removable Rewritable Media Devices 503 #define ATA_CMD_PREVENT_ALLOW_MEDIA_REMOVAL 0x1E ///< defined in ATAPI Removable Rewritable Media Devices 504 #define ATA_CMD_MODE_SELECT 0x55 ///< defined in ATAPI Removable Rewritable Media Devices 505 506 #define ATA_CMD_MODE_SENSE 0x5A ///< defined in ATAPI Removable Rewritable Media Devices 507 #define ATA_PAGE_CODE_READ_WRITE_ERROR 0x01 ///< defined in ATAPI Removable Rewritable Media Devices 508 #define ATA_PAGE_CODE_CACHING_PAGE 0x08 ///< defined in ATAPI Removable Rewritable Media Devices 509 #define ATA_PAGE_CODE_REMOVABLE_BLOCK_CAPABILITIES 0x1B ///< defined in ATAPI Removable Rewritable Media Devices 510 #define ATA_PAGE_CODE_TIMER_PROTECT_PAGE 0x1C ///< defined in ATAPI Removable Rewritable Media Devices 511 #define ATA_PAGE_CODE_RETURN_ALL_PAGES 0x3F ///< defined in ATAPI Removable Rewritable Media Devices 512 513 #define ATA_CMD_GET_CONFIGURATION 0x46 ///< defined in ATAPI Multimedia Devices 514 #define ATA_GCCD_RT_FIELD_VALUE_ALL 0x00 ///< defined in ATAPI Multimedia Devices 515 #define ATA_GCCD_RT_FIELD_VALUE_CURRENT 0x01 ///< defined in ATAPI Multimedia Devices 516 #define ATA_GCCD_RT_FIELD_VALUE_SINGLE 0x02 ///< defined in ATAPI Multimedia Devices 517 #define ATA_GCCD_RT_FIELD_VALUE_RESERVED 0x03 ///< defined in ATAPI Multimedia Devices 518 519 #define ATA_FEATURE_LIST_PROFILE_LIST 0x0000 ///< defined in ATAPI Multimedia Devices 520 #define ATA_FEATURE_LIST_CORE 0x0001 ///< defined in ATAPI Multimedia Devices 521 #define ATA_FEATURE_LIST_MORPHING 0x0002 ///< defined in ATAPI Multimedia Devices 522 #define ATA_FEATURE_LIST_REMOVEABLE_MEDIUM 0x0003 ///< defined in ATAPI Multimedia Devices 523 #define ATA_FEATURE_LIST_WRITE_PROTECT 0x0004 ///< defined in ATAPI Multimedia Devices 524 525 /// 526 /// Start/Stop and Eject Operations 527 /// 528 ///@{ 529 #define ATA_CMD_SUBOP_STOP_DISC 0x00 ///< Stop the Disc 530 #define ATA_CMD_SUBOP_START_DISC 0x01 ///< Start the Disc and acquire the format type 531 #define ATA_CMD_SUBOP_EJECT_DISC 0x02 ///< Eject the Disc if possible 532 #define ATA_CMD_SUBOP_CLOSE_TRAY 0x03 ///< Load the Disc (Close Tray) 533 ///@} 534 535 // 536 // ATA Commands Code 537 // 538 539 // 540 // Class 1: PIO Data-In Commands 541 // 542 #define ATA_CMD_IDENTIFY_DRIVE 0xec ///< defined from ATA-3 543 #define ATA_CMD_READ_BUFFER 0xe4 ///< defined from ATA-1 544 #define ATA_CMD_READ_SECTORS 0x20 ///< defined from ATA-1 545 #define ATA_CMD_READ_SECTORS_WITH_RETRY 0x21 ///< defined from ATA-1, obsoleted from ATA-5 546 #define ATA_CMD_READ_LONG 0x22 ///< defined from ATA-1, obsoleted from ATA-5 547 #define ATA_CMD_READ_LONG_WITH_RETRY 0x23 ///< defined from ATA-1, obsoleted from ATA-5 548 #define ATA_CMD_READ_SECTORS_EXT 0x24 ///< defined from ATA-6 549 #define ATA_CMD_READ_MULTIPLE 0xc4 ///< defined in ACS-3 550 #define ATA_CMD_READ_MULTIPLE_EXT 0x29 ///< defined in ACS-3 551 #define ATA_CMD_READ_LOG_EXT 0x2f ///< defined in ACS-3 552 553 // 554 // Class 2: PIO Data-Out Commands 555 // 556 #define ATA_CMD_FORMAT_TRACK 0x50 ///< defined from ATA-1, obsoleted from ATA-4 557 #define ATA_CMD_WRITE_BUFFER 0xe8 ///< defined from ATA-1 558 #define ATA_CMD_WRITE_SECTORS 0x30 ///< defined from ATA-1 559 #define ATA_CMD_WRITE_SECTORS_WITH_RETRY 0x31 ///< defined from ATA-1, obsoleted from ATA-5 560 #define ATA_CMD_WRITE_LONG 0x32 ///< defined from ATA-1, obsoleted from ATA-5 561 #define ATA_CMD_WRITE_LONG_WITH_RETRY 0x33 ///< defined from ATA-1, obsoleted from ATA-5 562 #define ATA_CMD_WRITE_VERIFY 0x3c ///< defined from ATA-1, obsoleted from ATA-5 563 #define ATA_CMD_WRITE_SECTORS_EXT 0x34 ///< defined from ATA-6 564 #define ATA_CMD_WRITE_MULTIPLE 0xc5 ///< defined in ACS-3 565 #define ATA_CMD_WRITE_MULTIPLE_EXT 0x39 ///< defined in ACS-3 566 567 // 568 // Class 3 No Data Command 569 // 570 #define ATA_CMD_ACK_MEDIA_CHANGE 0xdb ///< defined from ATA-1, obsoleted from ATA-5 571 #define ATA_CMD_BOOT_POST_BOOT 0xdc ///< defined from ATA-1, obsoleted from ATA-3 572 #define ATA_CMD_BOOT_PRE_BOOT 0xdd ///< defined from ATA-1, obsoleted from ATA-3 573 #define ATA_CMD_CHECK_POWER_MODE 0x98 ///< defined from ATA-1, obsoleted from ATA-4 574 #define ATA_CMD_CHECK_POWER_MODE_ALIAS 0xe5 ///< defined from ATA-1 575 #define ATA_CMD_DOOR_LOCK 0xde ///< defined from ATA-1 576 #define ATA_CMD_DOOR_UNLOCK 0xdf ///< defined from ATA-1 577 #define ATA_CMD_EXEC_DRIVE_DIAG 0x90 ///< defined from ATA-1 578 #define ATA_CMD_IDLE_ALIAS 0x97 ///< defined from ATA-1, obsoleted from ATA-4 579 #define ATA_CMD_IDLE 0xe3 ///< defined from ATA-1 580 #define ATA_CMD_IDLE_IMMEDIATE 0x95 ///< defined from ATA-1, obsoleted from ATA-4 581 #define ATA_CMD_IDLE_IMMEDIATE_ALIAS 0xe1 ///< defined from ATA-1 582 #define ATA_CMD_INIT_DRIVE_PARAM 0x91 ///< defined from ATA-1, obsoleted from ATA-6 583 #define ATA_CMD_RECALIBRATE 0x10 ///< defined from ATA-1, obsoleted from ATA-4 584 #define ATA_CMD_READ_DRIVE_STATE 0xe9 ///< defined from ATA-1, obsoleted from ATA-3 585 #define ATA_CMD_SET_MULTIPLE_MODE 0xC6 ///< defined from ATA-2 586 #define ATA_CMD_READ_VERIFY 0x40 ///< defined from ATA-1 587 #define ATA_CMD_READ_VERIFY_WITH_RETRY 0x41 ///< defined from ATA-1, obsoleted from ATA-5 588 #define ATA_CMD_SEEK 0x70 ///< defined from ATA-1 589 #define ATA_CMD_SET_FEATURES 0xef ///< defined from ATA-1 590 #define ATA_CMD_STANDBY 0x96 ///< defined from ATA-1, obsoleted from ATA-4 591 #define ATA_CMD_STANDBY_ALIAS 0xe2 ///< defined from ATA-1 592 #define ATA_CMD_STANDBY_IMMEDIATE 0x94 ///< defined from ATA-1, obsoleted from ATA-4 593 #define ATA_CMD_STANDBY_IMMEDIATE_ALIAS 0xe0 ///< defined from ATA-1 594 #define ATA_CMD_SLEEP 0xe6 ///< defined in ACS-3 595 #define ATA_CMD_READ_NATIVE_MAX_ADDRESS 0xf8 ///< defined in ATA-6 596 #define ATA_CMD_READ_NATIVE_MAX_ADDRESS_EXT 0x27 ///< defined in ATA-6 597 598 // 599 // Set Features Sub Command 600 // 601 #define ATA_SUB_CMD_ENABLE_VOLATILE_WRITE_CACHE 0x02 ///< defined in ACS-3 602 #define ATA_SUB_CMD_SET_TRANSFER_MODE 0x03 ///< defined in ACS-3 603 #define ATA_SUB_CMD_ENABLE_APM 0x05 ///< defined in ACS-3 604 #define ATA_SUB_CMD_ENABLE_PUIS 0x06 ///< defined in ACS-3 605 #define ATA_SUB_CMD_PUIS_SET_DEVICE_SPINUP 0x07 ///< defined in ACS-3 606 #define ATA_SUB_CMD_ENABLE_WRITE_READ_VERIFY 0x0b ///< defined in ACS-3 607 #define ATA_SUB_CMD_ENABLE_SATA_FEATURE 0x10 ///< defined in ACS-3 608 #define ATA_SUB_CMD_DISABLE_MEDIA_STATUS_NOTIFICATION 0x31 ///< defined in ACS-3 609 #define ATA_SUB_CMD_ENABLE_FREE_FALL_CONTROL 0x41 ///< defined in ACS-3 610 #define ATA_SUB_CMD_ACOUSTIC_MANAGEMENT_ENABLE 0x42 ///< defined in ACS-3 611 #define ATA_SUB_CMD_SET_MAX_HOST_INTERFACE_SECTOR_TIMES 0x43 ///< defined in ACS-3 612 #define ATA_SUB_CMD_EXTENDED_POWER_CONDITIONS 0x4a ///< defined in ACS-3 613 #define ATA_SUB_CMD_DISABLE_READ_LOOK_AHEAD 0x55 ///< defined in ACS-3 614 #define ATA_SUB_CMD_EN_DIS_DSN_FEATURE 0x63 ///< defined in ACS-3 615 #define ATA_SUB_CMD_DISABLE_REVERT_TO_POWER_ON_DEFAULTS 0x66 ///< defined in ACS-3 616 #define ATA_SUB_CMD_DISABLE_VOLATILE_WRITE_CACHE 0x82 ///< defined in ACS-3 617 #define ATA_SUB_CMD_DISABLE_APM 0x85 ///< defined in ACS-3 618 #define ATA_SUB_CMD_DISABLE_PUIS 0x86 ///< defined in ACS-3 619 #define ATA_SUB_CMD_DISABLE_WRITE_READ_VERIFY 0x8b ///< defined in ACS-3 620 #define ATA_SUB_CMD_DISABLE_SATA_FEATURE 0x90 ///< defined in ACS-3 621 #define ATA_SUB_CMD_ENABLE_MEDIA_STATUS_NOTIFICATION 0x95 ///< defined in ACS-3 622 #define ATA_SUB_CMD_ENABLE_READ_LOOK_AHEAD 0xaa ///< defined in ACS-3 623 #define ATA_SUB_CMD_DISABLE_FREE_FALL_CONTROL 0xc1 ///< defined in ACS-3 624 #define ATA_SUB_CMD_ACOUSTIC_MANAGEMENT_DISABLE 0xc2 ///< defined in ACS-3 625 #define ATA_SUB_CMD_EN_DIS_SENSE_DATA_REPORTING 0xc3 ///< defined in ACS-3 626 #define ATA_SUB_CMD_ENABLE_REVERT_TO_POWER_ON_DEFAULTS 0xcc ///< defined in ACS-3 627 628 // 629 // S.M.A.R.T 630 // 631 #define ATA_CMD_SMART 0xb0 ///< defined from ATA-3 632 #define ATA_CONSTANT_C2 0xc2 ///< reserved 633 #define ATA_CONSTANT_4F 0x4f ///< reserved 634 635 #define ATA_SMART_READ_DATA 0xd0 ///< defined in ACS-3 636 637 #define ATA_SMART_AUTOSAVE 0xd2 ///< defined in ACS-3 638 #define ATA_AUTOSAVE_DISABLE_ATTR 0x00 639 #define ATA_AUTOSAVE_ENABLE_ATTR 0xf1 640 641 #define ATA_SMART_EXECUTE_OFFLINE_IMMEDIATE 0xd4 ///< defined in ACS-3 642 #define ATA_EXECUTE_SMART_OFFLINE_ROUTINE 0x00 ///< defined in ACS-3 643 #define ATA_EXECUTE_SMART_OFFLINE_SHORT_SELFTEST 0x01 ///< defined in ACS-3 644 #define ATA_EXECUTE_SMART_OFFLINE_EXTENDED_SELFTEST 0x02 ///< defined in ACS-3 645 #define ATA_EXECUTE_SMART_OFFLINE_CONVEYANCE_SELFTEST 0x03 ///< defined in ACS-3 646 #define ATA_EXECUTE_SMART_OFFLINE_SELECTIVE_SELFTEST 0x04 ///< defined in ACS-3 647 #define ATA_SMART_ABORT_SELF_TEST_SUBROUTINE 0x7f ///< defined in ACS-3 648 #define ATA_EXECUTE_SMART_CAPTIVE_SHORT_SELFTEST 0x81 ///< defined in ACS-3 649 #define ATA_EXECUTE_SMART_CAPTIVE_EXTENDED_SELFTEST 0x82 ///< defined in ACS-3 650 #define ATA_EXECUTE_SMART_CAPTIVE_CONVEYANCE_SELFTEST 0x83 ///< defined in ACS-3 651 #define ATA_EXECUTE_SMART_CAPTIVE_SELECTIVE_SELFTEST 0x84 ///< defined in ACS-3 652 653 #define ATA_SMART_READLOG 0xd5 ///< defined in ACS-3 654 #define ATA_SMART_WRITELOG 0xd6 ///< defined in ACS-3 655 #define ATA_SMART_ENABLE_OPERATION 0xd8 ///< reserved 656 #define ATA_SMART_DISABLE_OPERATION 0xd9 ///< defined in ACS-3 657 #define ATA_SMART_RETURN_STATUS 0xda ///< defined from ATA-3 658 659 #define ATA_SMART_THRESHOLD_NOT_EXCEEDED_VALUE 0xc24f ///< defined in ACS-3 660 #define ATA_SMART_THRESHOLD_EXCEEDED_VALUE 0x2cf4 ///< defined in ACS-3 661 662 // SMART Log Definitions 663 #define ATA_SMART_LOG_DIRECTORY 0x00 ///< defined in ACS-3 664 #define ATA_SMART_SUM_SMART_ERROR_LOG 0x01 ///< defined in ACS-3 665 #define ATA_SMART_COMP_SMART_ERROR_LOG 0x02 ///< defined in ACS-3 666 #define ATA_SMART_EXT_COMP_SMART_ERROR_LOG 0x03 ///< defined in ACS-3 667 #define ATA_SMART_SMART_SELFTEST_LOG 0x06 ///< defined in ACS-3 668 #define ATA_SMART_EXT_SMART_SELFTEST_LOG 0x07 ///< defined in ACS-3 669 #define ATA_SMART_SELECTIVE_SELFTEST_LOG 0x09 ///< defined in ACS-3 670 #define ATA_SMART_HOST_VENDOR_SPECIFIC 0x80 ///< defined in ACS-3 671 #define ATA_SMART_DEVICE_VENDOR_SPECIFIC 0xa0 ///< defined in ACS-3 672 673 // 674 // Class 4: DMA Command 675 // 676 #define ATA_CMD_READ_DMA 0xc8 ///< defined from ATA-1 677 #define ATA_CMD_READ_DMA_WITH_RETRY 0xc9 ///< defined from ATA-1, obsoleted from ATA-5 678 #define ATA_CMD_READ_DMA_EXT 0x25 ///< defined from ATA-6 679 #define ATA_CMD_WRITE_DMA 0xca ///< defined from ATA-1 680 #define ATA_CMD_WRITE_DMA_WITH_RETRY 0xcb ///< defined from ATA-1, obsoleted from ATA- 681 #define ATA_CMD_WRITE_DMA_EXT 0x35 ///< defined from ATA-6 682 683 // 684 // ATA Security commands 685 // 686 #define ATA_CMD_SECURITY_SET_PASSWORD 0xf1 ///< defined in ACS-3 687 #define ATA_CMD_SECURITY_UNLOCK 0xf2 ///< defined in ACS-3 688 #define ATA_CMD_SECURITY_ERASE_PREPARE 0xf3 ///< defined in ACS-3 689 #define ATA_CMD_SECURITY_ERASE_UNIT 0xf4 ///< defined in ACS-3 690 #define ATA_CMD_SECURITY_FREEZE_LOCK 0xf5 ///< defined in ACS-3 691 #define ATA_CMD_SECURITY_DISABLE_PASSWORD 0xf6 ///< defined in ACS-3 692 693 #define ATA_SECURITY_BUFFER_LENGTH 512 ///< defined in ACS-3 694 695 // 696 // ATA Device Config Overlay 697 // 698 #define ATA_CMD_DEV_CONFIG_OVERLAY 0xb1 ///< defined from ATA-6 699 #define ATA_CMD_DEV_CONFIG_RESTORE_FEATURE 0xc0 ///< defined from ATA-6 700 #define ATA_CMD_DEV_CONFIG_FREEZELOCK_FEATURE 0xc1 ///< defined from ATA-6 701 #define ATA_CMD_DEV_CONFIG_IDENTIFY_FEATURE 0xc2 ///< defined from ATA-6 702 #define ATA_CMD_DEV_CONFIG_SET_FEATURE 0xc3 ///< defined from ATA-6 703 704 // 705 // ATA Trusted Computing Feature Set Commands 706 // 707 #define ATA_CMD_TRUSTED_NON_DATA 0x5b ///< defined in ACS-3 708 #define ATA_CMD_TRUSTED_RECEIVE 0x5c ///< defined in ACS-3 709 #define ATA_CMD_TRUSTED_RECEIVE_DMA 0x5d ///< defined in ACS-3 710 #define ATA_CMD_TRUSTED_SEND 0x5e ///< defined in ACS-3 711 #define ATA_CMD_TRUSTED_SEND_DMA 0x5f ///< defined in ACS-3 712 713 // 714 // ATA Trusted Receive Fields 715 // 716 #define ATA_TR_RETURN_SECURITY_PROTOCOL_INFORMATION 0x00 ///< defined in ACS-3 717 #define ATA_TR_SECURITY_PROTOCOL_JEDEC_RESERVED 0xec ///< defined in ACS-3 718 #define ATA_TR_SECURITY_PROTOCOL_SDCARD_RESERVED 0xed ///< defined in ACS-3 719 #define ATA_TR_SECURITY_PROTOCOL_IEEE1667_RESERVED 0xee ///< defined in ACS-3 720 721 // 722 // Equates used for Acoustic Flags 723 // 724 #define ATA_ACOUSTIC_LEVEL_BYPASS 0xff ///< defined from ATA-6 725 #define ATA_ACOUSTIC_LEVEL_MAXIMUM_PERFORMANCE 0xfe ///< defined from ATA-6 726 #define ATA_ACOUSTIC_LEVEL_QUIET 0x80 ///< defined from ATA-6 727 728 // 729 // Equates used for DiPM Support 730 // 731 #define ATA_CMD_DIPM_SUB 0x03 // defined in ACS-3 : Count value in SetFeature identification : 03h Device-initiated interface power state transitions 732 #define ATA_DIPM_ENABLE 0x10 // defined in ACS-3 733 #define ATA_DIPM_DISABLE 0x90 // defined in ACS-3 734 735 // 736 // Equates used for DevSleep Support 737 // 738 #define ATA_CMD_DEVSLEEP_SUB 0x09 // defined in SATA 3.2 Gold Spec : Count value in SetFeature identification : 09h Device Sleep 739 #define ATA_DEVSLEEP_ENABLE 0x10 // defined in SATA 3.2 Gold Spec 740 #define ATA_DEVSLEEP_DISABLE 0x90 // defined in SATA 3.2 Gold Spec 741 742 #define ATA_DEVSLP_EXIT_TIMEOUT 20 // MDAT - 20 ms 743 #define ATA_DEVSLP_MINIMUM_DETECTION_TIME 10 // DMDT - 10 us 744 #define ATA_DEVSLP_MINIMUM_ASSERTION_TIME 10 // DETO - 10 ms 745 746 // 747 // Set MAX Commands 748 // 749 #define ATA_CMD_SET_MAX_ADDRESS_EXT 0x37 ///< defined from ATA-6 750 #define ATA_CMD_SET_MAX_ADDRESS 0xf9 ///< defined from ATA-6 751 #define ATA_SET_MAX_SET_PASSWORD 0x01 ///< defined from ATA-6 752 #define ATA_SET_MAX_LOCK 0x02 ///< defined from ATA-6 753 #define ATA_SET_MAX_UNLOCK 0x03 ///< defined from ATA-6 754 #define ATA_SET_MAX_FREEZE_LOCK 0x04 ///< defined from ATA-6 755 756 /// 757 /// Default content of device control register, disable INT, 758 /// Bit3 is set to 1 according ATA-1 759 /// 760 #define ATA_DEFAULT_CTL (0x0a) 761 /// 762 /// Default context of Device/Head Register, 763 /// Bit7 and Bit5 are set to 1 for back-compatibilities. 764 /// 765 #define ATA_DEFAULT_CMD (0xa0) 766 767 #define ATAPI_MAX_BYTE_COUNT (0xfffe) 768 769 #define ATA_REQUEST_SENSE_ERROR (0x70) ///< defined in SFF-8070i 770 771 // 772 // Sense Key, Additional Sense Codes and Additional Sense Code Qualifier 773 // defined in MultiMedia Commands (MMC, MMC-2) 774 // 775 // Sense Key 776 // 777 #define ATA_SK_NO_SENSE (0x0) 778 #define ATA_SK_RECOVERY_ERROR (0x1) 779 #define ATA_SK_NOT_READY (0x2) 780 #define ATA_SK_MEDIUM_ERROR (0x3) 781 #define ATA_SK_HARDWARE_ERROR (0x4) 782 #define ATA_SK_ILLEGAL_REQUEST (0x5) 783 #define ATA_SK_UNIT_ATTENTION (0x6) 784 #define ATA_SK_DATA_PROTECT (0x7) 785 #define ATA_SK_BLANK_CHECK (0x8) 786 #define ATA_SK_VENDOR_SPECIFIC (0x9) 787 #define ATA_SK_RESERVED_A (0xA) 788 #define ATA_SK_ABORT (0xB) 789 #define ATA_SK_RESERVED_C (0xC) 790 #define ATA_SK_OVERFLOW (0xD) 791 #define ATA_SK_MISCOMPARE (0xE) 792 #define ATA_SK_RESERVED_F (0xF) 793 794 // 795 // Additional Sense Codes 796 // 797 #define ATA_ASC_NOT_READY (0x04) 798 #define ATA_ASC_MEDIA_ERR1 (0x10) 799 #define ATA_ASC_MEDIA_ERR2 (0x11) 800 #define ATA_ASC_MEDIA_ERR3 (0x14) 801 #define ATA_ASC_MEDIA_ERR4 (0x30) 802 #define ATA_ASC_MEDIA_UPSIDE_DOWN (0x06) 803 #define ATA_ASC_INVALID_CMD (0x20) 804 #define ATA_ASC_LBA_OUT_OF_RANGE (0x21) 805 #define ATA_ASC_INVALID_FIELD (0x24) 806 #define ATA_ASC_WRITE_PROTECTED (0x27) 807 #define ATA_ASC_MEDIA_CHANGE (0x28) 808 #define ATA_ASC_RESET (0x29) ///< Power On Reset or Bus Reset occurred. 809 #define ATA_ASC_ILLEGAL_FIELD (0x26) 810 #define ATA_ASC_NO_MEDIA (0x3A) 811 #define ATA_ASC_ILLEGAL_MODE_FOR_THIS_TRACK (0x64) 812 813 // 814 // Additional Sense Code Qualifier 815 // 816 #define ATA_ASCQ_IN_PROGRESS (0x01) 817 818 // 819 // Error Register 820 // 821 #define ATA_ERRREG_BBK BIT7 ///< Bad block detected defined from ATA-1, obsoleted from ATA-2 822 #define ATA_ERRREG_UNC BIT6 ///< Uncorrectable Data defined from ATA-1, obsoleted from ATA-4 823 #define ATA_ERRREG_MC BIT5 ///< Media Change defined from ATA-1, obsoleted from ATA-4 824 #define ATA_ERRREG_IDNF BIT4 ///< ID Not Found defined from ATA-1, obsoleted from ATA-4 825 #define ATA_ERRREG_MCR BIT3 ///< Media Change Requested defined from ATA-1, obsoleted from ATA-4 826 #define ATA_ERRREG_ABRT BIT2 ///< Aborted Command defined from ATA-1 827 #define ATA_ERRREG_TK0NF BIT1 ///< Track 0 Not Found defined from ATA-1, obsoleted from ATA-4 828 #define ATA_ERRREG_AMNF BIT0 ///< Address Mark Not Found defined from ATA-1, obsoleted from ATA-4 829 830 // 831 // Status Register 832 // 833 #define ATA_STSREG_BSY BIT7 ///< Controller Busy defined from ATA-1 834 #define ATA_STSREG_DRDY BIT6 ///< Drive Ready defined from ATA-1 835 #define ATA_STSREG_DWF BIT5 ///< Drive Write Fault defined from ATA-1, obsoleted from ATA-4 836 #define ATA_STSREG_DF BIT5 ///< Drive Fault defined from ATA-6 837 #define ATA_STSREG_DSC BIT4 ///< Disk Seek Complete defined from ATA-1, obsoleted from ATA-4 838 #define ATA_STSREG_DRQ BIT3 ///< Data Request defined from ATA-1 839 #define ATA_STSREG_CORR BIT2 ///< Corrected Data defined from ATA-1, obsoleted from ATA-4 840 #define ATA_STSREG_IDX BIT1 ///< Index defined from ATA-1, obsoleted from ATA-4 841 #define ATA_STSREG_ERR BIT0 ///< Error defined from ATA-1 842 843 // 844 // Device Control Register 845 // 846 #define ATA_CTLREG_SRST BIT2 ///< Software Reset. 847 #define ATA_CTLREG_IEN_L BIT1 ///< Interrupt Enable #. 848 849 #endif 850