]> git.proxmox.com Git - mirror_edk2.git/blobdiff - MdePkg/Include/IndustryStandard/Atapi.h
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[mirror_edk2.git] / MdePkg / Include / IndustryStandard / Atapi.h
index 8fe065c5e0e7efa00344fbf198985d9750941b36..3887027f397ba690f5be2b76e2ea41680b7c0750 100644 (file)
 /** @file\r
+  This file contains just some basic definitions that are needed by drivers\r
+  that dealing with ATA/ATAPI interface.\r
 \r
-This file contains just some basic definitions that are needed by drivers\r
-that dealing with ATA/ATAPI interface.\r
-\r
-\r
-Copyright (c) 2007, Intel Corporation\r
-All rights reserved. This program and the accompanying materials\r
-are licensed and made available under the terms and conditions of the BSD License\r
-which accompanies this distribution.  The full text of the license may be found at\r
-http://opensource.org/licenses/bsd-license.php\r
-\r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>\r
+SPDX-License-Identifier: BSD-2-Clause-Patent\r
 \r
 **/\r
 \r
-#ifndef _ATAPI_H\r
-#define _ATAPI_H\r
+#ifndef _ATAPI_H_\r
+#define _ATAPI_H_\r
 \r
-#pragma pack(push, 1)\r
+#pragma pack(1)\r
 \r
-//\r
-// ATA_IDENTIFY_DATA is defined in ATA-5\r
-//\r
+///\r
+/// ATA5_IDENTIFY_DATA is defined in ATA-5.\r
+/// (This structure is provided mainly for backward-compatibility support.\r
+/// Old drivers may reference fields that are marked "obsolete" in\r
+/// ATA_IDENTIFY_DATA, which currently conforms to ATA-8.)\r
+///\r
+typedef struct {\r
+  UINT16    config;           ///< General Configuration.\r
+  UINT16    cylinders;        ///< Number of Cylinders.\r
+  UINT16    reserved_2;\r
+  UINT16    heads;            ///< Number of logical heads.\r
+  UINT16    vendor_data1;\r
+  UINT16    vendor_data2;\r
+  UINT16    sectors_per_track;\r
+  UINT16    vendor_specific_7_9[3];\r
+  CHAR8     SerialNo[20];     ///< ASCII\r
+  UINT16    vendor_specific_20_21[2];\r
+  UINT16    ecc_bytes_available;\r
+  CHAR8     FirmwareVer[8];   ///< ASCII\r
+  CHAR8     ModelName[40];    ///< ASCII\r
+  UINT16    multi_sector_cmd_max_sct_cnt;\r
+  UINT16    reserved_48;\r
+  UINT16    capabilities;\r
+  UINT16    reserved_50;\r
+  UINT16    pio_cycle_timing;\r
+  UINT16    reserved_52;\r
+  UINT16    field_validity;\r
+  UINT16    current_cylinders;\r
+  UINT16    current_heads;\r
+  UINT16    current_sectors;\r
+  UINT16    CurrentCapacityLsb;\r
+  UINT16    CurrentCapacityMsb;\r
+  UINT16    reserved_59;\r
+  UINT16    user_addressable_sectors_lo;\r
+  UINT16    user_addressable_sectors_hi;\r
+  UINT16    reserved_62;\r
+  UINT16    multi_word_dma_mode;\r
+  UINT16    advanced_pio_modes;\r
+  UINT16    min_multi_word_dma_cycle_time;\r
+  UINT16    rec_multi_word_dma_cycle_time;\r
+  UINT16    min_pio_cycle_time_without_flow_control;\r
+  UINT16    min_pio_cycle_time_with_flow_control;\r
+  UINT16    reserved_69_79[11];\r
+  UINT16    major_version_no;\r
+  UINT16    minor_version_no;\r
+  UINT16    command_set_supported_82;    ///< word 82\r
+  UINT16    command_set_supported_83;    ///< word 83\r
+  UINT16    command_set_feature_extn;    ///< word 84\r
+  UINT16    command_set_feature_enb_85;  ///< word 85\r
+  UINT16    command_set_feature_enb_86;  ///< word 86\r
+  UINT16    command_set_feature_default; ///< word 87\r
+  UINT16    ultra_dma_mode;              ///< word 88\r
+  UINT16    reserved_89_127[39];\r
+  UINT16    security_status;\r
+  UINT16    vendor_data_129_159[31];\r
+  UINT16    reserved_160_255[96];\r
+} ATA5_IDENTIFY_DATA;\r
+\r
+///\r
+/// ATA_IDENTIFY_DATA strictly complies with ATA/ATAPI-8 Spec\r
+/// to define the data returned by an ATA device upon successful\r
+/// completion of the ATA IDENTIFY_DEVICE command.\r
+///\r
 typedef struct {\r
-  UINT16  config;                     /* General Configuration */\r
-  UINT16  cylinders;                  /* Number of Cylinders */\r
-  UINT16  reserved_2;\r
-  UINT16  heads;                      /* Number of logical heads */\r
-  UINT16  vendor_data1;\r
-  UINT16  vendoe_data2;\r
-  UINT16  sectors_per_track;\r
-  UINT16  vendor_specific_7_9[3];\r
-  CHAR8   SerialNo[20];               /* ASCII */\r
-  UINT16  vendor_specific_20_21[2];\r
-  UINT16  ecc_bytes_available;\r
-  CHAR8   FirmwareVer[8];             /* ASCII */\r
-  CHAR8   ModelName[40];              /* ASCII */\r
-  UINT16  multi_sector_cmd_max_sct_cnt;\r
-  UINT16  reserved_48;\r
-  UINT16  capabilities;\r
-  UINT16  reserved_50;\r
-  UINT16  pio_cycle_timing;\r
-  UINT16  reserved_52;\r
-  UINT16  field_validity;\r
-  UINT16  current_cylinders;\r
-  UINT16  current_heads;\r
-  UINT16  current_sectors;\r
-  UINT16  CurrentCapacityLsb;\r
-  UINT16  CurrentCapacityMsb;\r
-  UINT16  reserved_59;\r
-  UINT16  user_addressable_sectors_lo;\r
-  UINT16  user_addressable_sectors_hi;\r
-  UINT16  reserved_62;\r
-  UINT16  multi_word_dma_mode;\r
-  UINT16  advanced_pio_modes;\r
-  UINT16  min_multi_word_dma_cycle_time;\r
-  UINT16  rec_multi_word_dma_cycle_time;\r
-  UINT16  min_pio_cycle_time_without_flow_control;\r
-  UINT16  min_pio_cycle_time_with_flow_control;\r
-  UINT16  reserved_69_79[11];\r
-  UINT16  major_version_no;\r
-  UINT16  minor_version_no;\r
-  UINT16  command_set_supported_82; // word 82\r
-  UINT16  command_set_supported_83; // word 83\r
-  UINT16  command_set_feature_extn; // word 84\r
-  UINT16  command_set_feature_enb_85; // word 85\r
-  UINT16  command_set_feature_enb_86; // word 86\r
-  UINT16  command_set_feature_default; // word 87\r
-  UINT16  ultra_dma_mode; // word 88\r
-  UINT16  reserved_89_127[39];\r
-  UINT16  security_status;\r
-  UINT16  vendor_data_129_159[31];\r
-  UINT16  reserved_160_255[96];\r
+  UINT16    config;                                ///< General Configuration.\r
+  UINT16    obsolete_1;\r
+  UINT16    specific_config;                       ///< Specific Configuration.\r
+  UINT16    obsolete_3;\r
+  UINT16    retired_4_5[2];\r
+  UINT16    obsolete_6;\r
+  UINT16    cfa_reserved_7_8[2];\r
+  UINT16    retired_9;\r
+  CHAR8     SerialNo[20];                          ///< word 10~19\r
+  UINT16    retired_20_21[2];\r
+  UINT16    obsolete_22;\r
+  CHAR8     FirmwareVer[8];                        ///< word 23~26\r
+  CHAR8     ModelName[40];                         ///< word 27~46\r
+  UINT16    multi_sector_cmd_max_sct_cnt;\r
+  UINT16    trusted_computing_support;\r
+  UINT16    capabilities_49;\r
+  UINT16    capabilities_50;\r
+  UINT16    obsolete_51_52[2];\r
+  UINT16    field_validity;\r
+  UINT16    obsolete_54_58[5];\r
+  UINT16    multi_sector_setting;\r
+  UINT16    user_addressable_sectors_lo;\r
+  UINT16    user_addressable_sectors_hi;\r
+  UINT16    obsolete_62;\r
+  UINT16    multi_word_dma_mode;\r
+  UINT16    advanced_pio_modes;\r
+  UINT16    min_multi_word_dma_cycle_time;\r
+  UINT16    rec_multi_word_dma_cycle_time;\r
+  UINT16    min_pio_cycle_time_without_flow_control;\r
+  UINT16    min_pio_cycle_time_with_flow_control;\r
+  UINT16    additional_supported;                  ///< word 69\r
+  UINT16    reserved_70;\r
+  UINT16    reserved_71_74[4];                     ///< Reserved for IDENTIFY PACKET DEVICE cmd.\r
+  UINT16    queue_depth;\r
+  UINT16    serial_ata_capabilities;\r
+  UINT16    reserved_77;                           ///< Reserved for Serial ATA\r
+  UINT16    serial_ata_features_supported;\r
+  UINT16    serial_ata_features_enabled;\r
+  UINT16    major_version_no;\r
+  UINT16    minor_version_no;\r
+  UINT16    command_set_supported_82;              ///< word 82\r
+  UINT16    command_set_supported_83;              ///< word 83\r
+  UINT16    command_set_feature_extn;              ///< word 84\r
+  UINT16    command_set_feature_enb_85;            ///< word 85\r
+  UINT16    command_set_feature_enb_86;            ///< word 86\r
+  UINT16    command_set_feature_default;           ///< word 87\r
+  UINT16    ultra_dma_mode;                        ///< word 88\r
+  UINT16    time_for_security_erase_unit;\r
+  UINT16    time_for_enhanced_security_erase_unit;\r
+  UINT16    advanced_power_management_level;\r
+  UINT16    master_password_identifier;\r
+  UINT16    hardware_configuration_test_result;\r
+  UINT16    obsolete_94;\r
+  UINT16    stream_minimum_request_size;\r
+  UINT16    streaming_transfer_time_for_dma;\r
+  UINT16    streaming_access_latency_for_dma_and_pio;\r
+  UINT16    streaming_performance_granularity[2];  ///< word 98~99\r
+  UINT16    maximum_lba_for_48bit_addressing[4];   ///< word 100~103\r
+  UINT16    streaming_transfer_time_for_pio;\r
+  UINT16    max_no_of_512byte_blocks_per_data_set_cmd;\r
+  UINT16    phy_logic_sector_support;              ///< word 106\r
+  UINT16    interseek_delay_for_iso7779;\r
+  UINT16    world_wide_name[4];                    ///< word 108~111\r
+  UINT16    reserved_for_128bit_wwn_112_115[4];\r
+  UINT16    reserved_for_technical_report;\r
+  UINT16    logic_sector_size_lo;                    ///< word 117\r
+  UINT16    logic_sector_size_hi;                    ///< word 118\r
+  UINT16    features_and_command_sets_supported_ext; ///< word 119\r
+  UINT16    features_and_command_sets_enabled_ext;   ///< word 120\r
+  UINT16    reserved_121_126[6];\r
+  UINT16    obsolete_127;\r
+  UINT16    security_status;                       ///< word 128\r
+  UINT16    vendor_specific_129_159[31];\r
+  UINT16    cfa_power_mode;                        ///< word 160\r
+  UINT16    reserved_for_compactflash_161_167[7];\r
+  UINT16    device_nominal_form_factor;\r
+  UINT16    is_data_set_cmd_supported;\r
+  CHAR8     additional_product_identifier[8];\r
+  UINT16    reserved_174_175[2];\r
+  CHAR8     media_serial_number[60];               ///< word 176~205\r
+  UINT16    sct_command_transport;                 ///< word 206\r
+  UINT16    reserved_207_208[2];\r
+  UINT16    alignment_logic_in_phy_blocks;           ///< word 209\r
+  UINT16    write_read_verify_sector_count_mode3[2]; ///< word 210~211\r
+  UINT16    verify_sector_count_mode2[2];\r
+  UINT16    nv_cache_capabilities;\r
+  UINT16    nv_cache_size_in_logical_block_lsw;    ///< word 215\r
+  UINT16    nv_cache_size_in_logical_block_msw;    ///< word 216\r
+  UINT16    nominal_media_rotation_rate;\r
+  UINT16    reserved_218;\r
+  UINT16    nv_cache_options;                      ///< word 219\r
+  UINT16    write_read_verify_mode;                ///< word 220\r
+  UINT16    reserved_221;\r
+  UINT16    transport_major_revision_number;\r
+  UINT16    transport_minor_revision_number;\r
+  UINT16    reserved_224_229[6];\r
+  UINT64    extended_no_of_addressable_sectors;\r
+  UINT16    min_number_per_download_microcode_mode3; ///< word 234\r
+  UINT16    max_number_per_download_microcode_mode3; ///< word 235\r
+  UINT16    reserved_236_254[19];\r
+  UINT16    integrity_word;\r
 } ATA_IDENTIFY_DATA;\r
 \r
-//\r
-// ATAPI_IDENTIFY_DATA is defined in ATA-6\r
-//\r
+///\r
+/// ATAPI_IDENTIFY_DATA strictly complies with ATA/ATAPI-8 Spec\r
+/// to define the data returned by an ATAPI device upon successful\r
+/// completion of the ATA IDENTIFY_PACKET_DEVICE command.\r
+///\r
 typedef struct {\r
-    UINT16  config;             // General Configuration\r
-    UINT16  obsolete_1;\r
-    UINT16  specific_config;\r
-    UINT16  obsolete_3;\r
-    UINT16  retired_4_5[2];\r
-    UINT16  obsolete_6;\r
-    UINT16  cfa_reserved_7_8[2];\r
-    UINT16  retired_9;\r
-    CHAR8   SerialNo[20];       // ASCII\r
-    UINT16  retired_20_21[2];\r
-    UINT16  obsolete_22;\r
-    CHAR8   FirmwareVer[8];     // ASCII\r
-    CHAR8   ModelName[40];      // ASCII\r
-    UINT16  multi_sector_cmd_max_sct_cnt;\r
-    UINT16  reserved_48;\r
-    UINT16  capabilities_49;\r
-    UINT16  capabilities_50;\r
-    UINT16  obsolete_51_52[2];\r
-    UINT16  field_validity;\r
-    UINT16  obsolete_54_58[5];\r
-    UINT16  mutil_sector_setting;\r
-    UINT16  user_addressable_sectors_lo;\r
-    UINT16  user_addressable_sectors_hi;\r
-    UINT16  obsolete_62;\r
-    UINT16  multi_word_dma_mode;\r
-    UINT16  advanced_pio_modes;\r
-    UINT16  min_multi_word_dma_cycle_time;\r
-    UINT16  rec_multi_word_dma_cycle_time;\r
-    UINT16  min_pio_cycle_time_without_flow_control;\r
-    UINT16  min_pio_cycle_time_with_flow_control;\r
-    UINT16  reserved_69_74[6];\r
-    UINT16  queue_depth;\r
-    UINT16  reserved_76_79[4];\r
-    UINT16  major_version_no;\r
-    UINT16  minor_version_no;\r
-    UINT16  cmd_set_support_82;\r
-    UINT16  cmd_set_support_83;\r
-    UINT16  cmd_feature_support;\r
-    UINT16  cmd_feature_enable_85;\r
-    UINT16  cmd_feature_enable_86;\r
-    UINT16  cmd_feature_default;\r
-    UINT16  ultra_dma_select;\r
-    UINT16  time_required_for_sec_erase;\r
-    UINT16  time_required_for_enhanced_sec_erase;\r
-    UINT16  current_advanced_power_mgmt_value;\r
-    UINT16  master_pwd_revison_code;\r
-    UINT16  hardware_reset_result;\r
-    UINT16  current_auto_acoustic_mgmt_value;\r
-    UINT16  reserved_95_99[5];\r
-    UINT16  max_user_lba_for_48bit_addr[4];\r
-    UINT16  reserved_104_126[23];\r
-    UINT16  removable_media_status_notification_support;\r
-    UINT16  security_status;\r
-    UINT16  vendor_data_129_159[31];\r
-    UINT16  cfa_power_mode;\r
-    UINT16  cfa_reserved_161_175[15];\r
-    UINT16  current_media_serial_no[30];\r
-    UINT16  reserved_206_254[49];\r
-    UINT16  integrity_word;\r
+  UINT16    config;                                ///< General Configuration.\r
+  UINT16    reserved_1;\r
+  UINT16    specific_config;                       ///< Specific Configuration.\r
+  UINT16    reserved_3_9[7];\r
+  CHAR8     SerialNo[20];                          ///< word 10~19\r
+  UINT16    reserved_20_22[3];\r
+  CHAR8     FirmwareVer[8];                        ///< word 23~26\r
+  CHAR8     ModelName[40];                         ///< word 27~46\r
+  UINT16    reserved_47_48[2];\r
+  UINT16    capabilities_49;\r
+  UINT16    capabilities_50;\r
+  UINT16    obsolete_51;\r
+  UINT16    reserved_52;\r
+  UINT16    field_validity;                        ///< word 53\r
+  UINT16    reserved_54_61[8];\r
+  UINT16    dma_dir;\r
+  UINT16    multi_word_dma_mode;                   ///< word 63\r
+  UINT16    advanced_pio_modes;                    ///< word 64\r
+  UINT16    min_multi_word_dma_cycle_time;\r
+  UINT16    rec_multi_word_dma_cycle_time;\r
+  UINT16    min_pio_cycle_time_without_flow_control;\r
+  UINT16    min_pio_cycle_time_with_flow_control;\r
+  UINT16    reserved_69_70[2];\r
+  UINT16    obsolete_71_72[2];\r
+  UINT16    reserved_73_74[2];\r
+  UINT16    obsolete_75;\r
+  UINT16    serial_ata_capabilities;\r
+  UINT16    reserved_77;                           ///< Reserved for Serial ATA\r
+  UINT16    serial_ata_features_supported;\r
+  UINT16    serial_ata_features_enabled;\r
+  UINT16    major_version_no;                      ///< word 80\r
+  UINT16    minor_version_no;                      ///< word 81\r
+  UINT16    cmd_set_support_82;\r
+  UINT16    cmd_set_support_83;\r
+  UINT16    cmd_feature_support;\r
+  UINT16    cmd_feature_enable_85;\r
+  UINT16    cmd_feature_enable_86;\r
+  UINT16    cmd_feature_default;\r
+  UINT16    ultra_dma_select;\r
+  UINT16    time_required_for_sec_erase;           ///< word 89\r
+  UINT16    time_required_for_enhanced_sec_erase;  ///< word 90\r
+  UINT16    advanced_power_management_level;\r
+  UINT16    master_pwd_revison_code;\r
+  UINT16    hardware_reset_result;                 ///< word 93\r
+  UINT16    obsolete_94;\r
+  UINT16    reserved_95_107[13];\r
+  UINT16    world_wide_name[4];                    ///< word 108~111\r
+  UINT16    reserved_for_128bit_wwn_112_115[4];\r
+  UINT16    reserved_116_118[3];\r
+  UINT16    command_and_feature_sets_supported;    ///< word 119\r
+  UINT16    command_and_feature_sets_supported_enabled;\r
+  UINT16    reserved_121_124[4];\r
+  UINT16    atapi_byte_count_0_behavior;           ///< word 125\r
+  UINT16    obsolete_126_127[2];\r
+  UINT16    security_status;\r
+  UINT16    reserved_129_159[31];\r
+  UINT16    cfa_reserved_160_175[16];\r
+  UINT16    reserved_176_221[46];\r
+  UINT16    transport_major_version;\r
+  UINT16    transport_minor_version;\r
+  UINT16    reserved_224_254[31];\r
+  UINT16    integrity_word;\r
 } ATAPI_IDENTIFY_DATA;\r
 \r
-\r
+///\r
+/// Standard Quiry Data format, defined in SFF-8070i(ATAPI Removable Rewritable Specification).\r
+///\r
 typedef struct {\r
-  UINT8 peripheral_type;\r
-  UINT8 RMB;\r
-  UINT8 version;\r
-  UINT8 response_data_format;\r
-  UINT8 addnl_length;\r
-  UINT8 reserved_5;\r
-  UINT8 reserved_6;\r
-  UINT8 reserved_7;\r
-  UINT8 vendor_info[8];\r
-  UINT8 product_id[12];\r
-  UINT8 eeprom_product_code[4];\r
-  UINT8 firmware_rev_level[4];\r
-  UINT8 firmware_sub_rev_level[1];\r
-  UINT8 reserved_37;\r
-  UINT8 reserved_38;\r
-  UINT8 reserved_39;\r
-  UINT8 max_capacity_hi;\r
-  UINT8 max_capacity_mid;\r
-  UINT8 max_capacity_lo;\r
-  UINT8 reserved_43_95[95 - 43 + 1];\r
-  //\r
-  // Some more fields\r
-  //\r
-  UINT8 vendor_id[20];\r
-  UINT8 eeprom_drive_sno[12];\r
+  UINT8    peripheral_type;\r
+  UINT8    RMB;\r
+  UINT8    version;\r
+  UINT8    response_data_format;\r
+  UINT8    addnl_length;  ///< n - 4, Numbers of bytes following this one.\r
+  UINT8    reserved_5;\r
+  UINT8    reserved_6;\r
+  UINT8    reserved_7;\r
+  UINT8    vendor_info[8];\r
+  UINT8    product_id[16];\r
+  UINT8    product_revision_level[4];\r
+  UINT8    vendor_specific_36_55[55 - 36 + 1];\r
+  UINT8    reserved_56_95[95 - 56 + 1];\r
+  ///\r
+  /// Vendor-specific parameters fields. The sizeof (ATAPI_INQUIRY_DATA) is 254\r
+  /// since allocation_length is one byte in ATAPI_INQUIRY_CMD.\r
+  ///\r
+  UINT8    vendor_specific_96_253[253 - 96 + 1];\r
 } ATAPI_INQUIRY_DATA;\r
 \r
+///\r
+/// Request Sense Standard Data, defined in SFF-8070i(ATAPI Removable Rewritable Specification).\r
+///\r
 typedef struct {\r
-  UINT8 peripheral_type;\r
-  UINT8 RMB;\r
-  UINT8 version;\r
-  UINT8 response_data_format;\r
-  UINT8 addnl_length;\r
-  UINT8 reserved_5;\r
-  UINT8 reserved_6;\r
-  UINT8 reserved_7;\r
-  UINT8 vendor_info[8];\r
-  UINT8 product_id[16];\r
-  UINT8 product_revision_level[4];\r
-  UINT8 vendor_specific[20];\r
-  UINT8 reserved_56_95[40];\r
-} ATAPI_CDROM_INQUIRY_DATA;\r
-\r
-\r
-typedef struct {\r
-  UINT8 error_code : 7;\r
-  UINT8 valid : 1;\r
-  UINT8 reserved_1;\r
-  UINT8 sense_key : 4;\r
-  UINT8 reserved_21 : 1;\r
-  UINT8 ILI : 1;\r
-  UINT8 reserved_22 : 2;\r
-  UINT8 vendor_specific_3;\r
-  UINT8 vendor_specific_4;\r
-  UINT8 vendor_specific_5;\r
-  UINT8 vendor_specific_6;\r
-  UINT8 addnl_sense_length;           // n - 7\r
-  UINT8 vendor_specific_8;\r
-  UINT8 vendor_specific_9;\r
-  UINT8 vendor_specific_10;\r
-  UINT8 vendor_specific_11;\r
-  UINT8 addnl_sense_code;             // mandatory\r
-  UINT8 addnl_sense_code_qualifier;   // mandatory\r
-  UINT8 field_replaceable_unit_code;  // optional\r
-  UINT8 reserved_15;\r
-  UINT8 reserved_16;\r
-  UINT8 reserved_17;\r
-  //\r
-  // Followed by additional sense bytes.\r
-  //\r
+  UINT8    error_code       : 7;\r
+  UINT8    valid            : 1;\r
+  UINT8    reserved_1;\r
+  UINT8    sense_key        : 4;\r
+  UINT8    reserved_2       : 1;\r
+  UINT8    Vendor_specifc_1 : 3;\r
+  UINT8    vendor_specific_3;\r
+  UINT8    vendor_specific_4;\r
+  UINT8    vendor_specific_5;\r
+  UINT8    vendor_specific_6;\r
+  UINT8    addnl_sense_length;        ///< n - 7\r
+  UINT8    vendor_specific_8;\r
+  UINT8    vendor_specific_9;\r
+  UINT8    vendor_specific_10;\r
+  UINT8    vendor_specific_11;\r
+  UINT8    addnl_sense_code;            ///< mandatory\r
+  UINT8    addnl_sense_code_qualifier;  ///< mandatory\r
+  UINT8    field_replaceable_unit_code; ///< optional\r
+  UINT8    sense_key_specific_15 : 7;\r
+  UINT8    SKSV                  : 1;\r
+  UINT8    sense_key_specific_16;\r
+  UINT8    sense_key_specific_17;\r
 } ATAPI_REQUEST_SENSE_DATA;\r
 \r
+///\r
+/// READ CAPACITY Data, defined in SFF-8070i(ATAPI Removable Rewritable Specification).\r
+///\r
 typedef struct {\r
-  UINT8 LastLba3;\r
-  UINT8 LastLba2;\r
-  UINT8 LastLba1;\r
-  UINT8 LastLba0;\r
-  UINT8 BlockSize3;\r
-  UINT8 BlockSize2;\r
-  UINT8 BlockSize1;\r
-  UINT8 BlockSize0;\r
+  UINT8    LastLba3;\r
+  UINT8    LastLba2;\r
+  UINT8    LastLba1;\r
+  UINT8    LastLba0;\r
+  UINT8    BlockSize3;\r
+  UINT8    BlockSize2;\r
+  UINT8    BlockSize1;\r
+  UINT8    BlockSize0;\r
 } ATAPI_READ_CAPACITY_DATA;\r
 \r
+///\r
+/// Capacity List Header + Current/Maximum Capacity Descriptor,\r
+/// defined in SFF-8070i(ATAPI Removable Rewritable Specification).\r
+///\r
 typedef struct {\r
-  UINT8 reserved_0;\r
-  UINT8 reserved_1;\r
-  UINT8 reserved_2;\r
-  UINT8 Capacity_Length;\r
-  UINT8 LastLba3;\r
-  UINT8 LastLba2;\r
-  UINT8 LastLba1;\r
-  UINT8 LastLba0;\r
-  UINT8 DesCode : 2;\r
-  UINT8 reserved_9 : 6;\r
-  UINT8 BlockSize2;\r
-  UINT8 BlockSize1;\r
-  UINT8 BlockSize0;\r
+  UINT8    reserved_0;\r
+  UINT8    reserved_1;\r
+  UINT8    reserved_2;\r
+  UINT8    Capacity_Length;\r
+  UINT8    LastLba3;\r
+  UINT8    LastLba2;\r
+  UINT8    LastLba1;\r
+  UINT8    LastLba0;\r
+  UINT8    DesCode    : 2;\r
+  UINT8    reserved_9 : 6;\r
+  UINT8    BlockSize2;\r
+  UINT8    BlockSize1;\r
+  UINT8    BlockSize0;\r
 } ATAPI_READ_FORMAT_CAPACITY_DATA;\r
 \r
-//\r
-// ATAPI Packet Command\r
-//\r
-\r
+///\r
+/// Test Unit Ready Command, defined in SFF-8070i(ATAPI Removable Rewritable Specification).\r
+///\r
 typedef struct {\r
-  UINT8 opcode;\r
-  UINT8 reserved_1;\r
-  UINT8 reserved_2;\r
-  UINT8 reserved_3;\r
-  UINT8 reserved_4;\r
-  UINT8 reserved_5;\r
-  UINT8 reserved_6;\r
-  UINT8 reserved_7;\r
-  UINT8 reserved_8;\r
-  UINT8 reserved_9;\r
-  UINT8 reserved_10;\r
-  UINT8 reserved_11;\r
+  UINT8    opcode;\r
+  UINT8    reserved_1;\r
+  UINT8    reserved_2;\r
+  UINT8    reserved_3;\r
+  UINT8    reserved_4;\r
+  UINT8    reserved_5;\r
+  UINT8    reserved_6;\r
+  UINT8    reserved_7;\r
+  UINT8    reserved_8;\r
+  UINT8    reserved_9;\r
+  UINT8    reserved_10;\r
+  UINT8    reserved_11;\r
 } ATAPI_TEST_UNIT_READY_CMD;\r
 \r
+///\r
+/// INQUIRY Command, defined in SFF-8070i(ATAPI Removable Rewritable Specification).\r
+///\r
 typedef struct {\r
-  UINT8 opcode;\r
-  UINT8 reserved_1 : 4;\r
-  UINT8 lun : 4;\r
-  UINT8 page_code;\r
-  UINT8 reserved_3;\r
-  UINT8 allocation_length;\r
-  UINT8 reserved_5;\r
-  UINT8 reserved_6;\r
-  UINT8 reserved_7;\r
-  UINT8 reserved_8;\r
-  UINT8 reserved_9;\r
-  UINT8 reserved_10;\r
-  UINT8 reserved_11;\r
+  UINT8    opcode;\r
+  UINT8    reserved_1 : 5;\r
+  UINT8    lun        : 3;\r
+  UINT8    page_code;     ///< defined in SFF8090i, V6\r
+  UINT8    reserved_3;\r
+  UINT8    allocation_length;\r
+  UINT8    reserved_5;\r
+  UINT8    reserved_6;\r
+  UINT8    reserved_7;\r
+  UINT8    reserved_8;\r
+  UINT8    reserved_9;\r
+  UINT8    reserved_10;\r
+  UINT8    reserved_11;\r
 } ATAPI_INQUIRY_CMD;\r
 \r
+///\r
+/// REQUEST SENSE Command, defined in SFF-8070i(ATAPI Removable Rewritable Specification).\r
+///\r
 typedef struct {\r
-  UINT8 opcode;\r
-  UINT8 reserved_1 : 4;\r
-  UINT8 lun : 4;\r
-  UINT8 reserved_2;\r
-  UINT8 reserved_3;\r
-  UINT8 allocation_length;\r
-  UINT8 reserved_5;\r
-  UINT8 reserved_6;\r
-  UINT8 reserved_7;\r
-  UINT8 reserved_8;\r
-  UINT8 reserved_9;\r
-  UINT8 reserved_10;\r
-  UINT8 reserved_11;\r
+  UINT8    opcode;\r
+  UINT8    reserved_1 : 5;\r
+  UINT8    lun        : 3;\r
+  UINT8    reserved_2;\r
+  UINT8    reserved_3;\r
+  UINT8    allocation_length;\r
+  UINT8    reserved_5;\r
+  UINT8    reserved_6;\r
+  UINT8    reserved_7;\r
+  UINT8    reserved_8;\r
+  UINT8    reserved_9;\r
+  UINT8    reserved_10;\r
+  UINT8    reserved_11;\r
 } ATAPI_REQUEST_SENSE_CMD;\r
 \r
+///\r
+/// READ (10) Command, defined in SFF-8070i(ATAPI Removable Rewritable Specification).\r
+///\r
 typedef struct {\r
-  UINT8 opcode;\r
-  UINT8 reserved_1 : 5;\r
-  UINT8 lun : 3;\r
-  UINT8 Lba0;\r
-  UINT8 Lba1;\r
-  UINT8 Lba2;\r
-  UINT8 Lba3;\r
-  UINT8 reserved_6;\r
-  UINT8 TranLen0;\r
-  UINT8 TranLen1;\r
-  UINT8 reserved_9;\r
-  UINT8 reserved_10;\r
-  UINT8 reserved_11;\r
+  UINT8    opcode;\r
+  UINT8    reserved_1 : 5;\r
+  UINT8    lun        : 3;\r
+  UINT8    Lba0;\r
+  UINT8    Lba1;\r
+  UINT8    Lba2;\r
+  UINT8    Lba3;\r
+  UINT8    reserved_6;\r
+  UINT8    TranLen0;\r
+  UINT8    TranLen1;\r
+  UINT8    reserved_9;\r
+  UINT8    reserved_10;\r
+  UINT8    reserved_11;\r
 } ATAPI_READ10_CMD;\r
 \r
+///\r
+/// READ Format Capacity Command, defined in SFF-8070i(ATAPI Removable Rewritable Specification).\r
+///\r
 typedef struct {\r
-  UINT8 opcode;\r
-  UINT8 reserved_1;\r
-  UINT8 reserved_2;\r
-  UINT8 reserved_3;\r
-  UINT8 reserved_4;\r
-  UINT8 reserved_5;\r
-  UINT8 reserved_6;\r
-  UINT8 allocation_length_hi;\r
-  UINT8 allocation_length_lo;\r
-  UINT8 reserved_9;\r
-  UINT8 reserved_10;\r
-  UINT8 reserved_11;\r
+  UINT8    opcode;\r
+  UINT8    reserved_1 : 5;\r
+  UINT8    lun        : 3;\r
+  UINT8    reserved_2;\r
+  UINT8    reserved_3;\r
+  UINT8    reserved_4;\r
+  UINT8    reserved_5;\r
+  UINT8    reserved_6;\r
+  UINT8    allocation_length_hi;\r
+  UINT8    allocation_length_lo;\r
+  UINT8    reserved_9;\r
+  UINT8    reserved_10;\r
+  UINT8    reserved_11;\r
 } ATAPI_READ_FORMAT_CAP_CMD;\r
 \r
+///\r
+/// MODE SENSE Command, defined in SFF-8070i(ATAPI Removable Rewritable Specification).\r
+///\r
 typedef struct {\r
-  UINT8 peripheral_type;\r
-  UINT8 RMB;\r
-  UINT8 version;\r
-  UINT8 response_data_format;\r
-  UINT8 addnl_length;\r
-  UINT8 reserved_5;\r
-  UINT8 reserved_6;\r
-  UINT8 reserved_7;\r
-  UINT8 vendor_info[8];\r
-  UINT8 product_id[12];\r
-  UINT8 eeprom_product_code[4];\r
-  UINT8 firmware_rev_level[4];\r
-} ATAPI_USB_INQUIRY_DATA;\r
-\r
-typedef struct {\r
-  UINT8 opcode;\r
-  UINT8 reserved_1 : 4;\r
-  UINT8 lun : 4;\r
-  UINT8 page_code : 4;\r
-  UINT8 page_control : 4;\r
-  UINT8 reserved_3;\r
-  UINT8 reserved_4;\r
-  UINT8 reserved_5;\r
-  UINT8 reserved_6;\r
-  UINT8 parameter_list_length_hi;\r
-  UINT8 parameter_list_length_lo;\r
-  UINT8 reserved_9;\r
-  UINT8 reserved_10;\r
-  UINT8 reserved_11;\r
+  UINT8    opcode;\r
+  UINT8    reserved_1   : 5;\r
+  UINT8    lun          : 3;\r
+  UINT8    page_code    : 6;\r
+  UINT8    page_control : 2;\r
+  UINT8    reserved_3;\r
+  UINT8    reserved_4;\r
+  UINT8    reserved_5;\r
+  UINT8    reserved_6;\r
+  UINT8    parameter_list_length_hi;\r
+  UINT8    parameter_list_length_lo;\r
+  UINT8    reserved_9;\r
+  UINT8    reserved_10;\r
+  UINT8    reserved_11;\r
 } ATAPI_MODE_SENSE_CMD;\r
 \r
-//\r
-// ATAPI_PACKET_COMMAND is not defined in ATA specification.\r
-// We add it here for the convenience for ATA/ATAPI module writer. \r
-//\r
+///\r
+/// ATAPI_PACKET_COMMAND is not defined in the ATA specification.\r
+/// We add it here for the convenience of ATA/ATAPI module writers.\r
+///\r
 typedef union {\r
-  UINT16                    Data16[6];\r
-  ATAPI_TEST_UNIT_READY_CMD TestUnitReady;\r
-  ATAPI_READ10_CMD          Read10;\r
-  ATAPI_REQUEST_SENSE_CMD   RequestSence;\r
-  ATAPI_INQUIRY_CMD         Inquiry;\r
-  ATAPI_MODE_SENSE_CMD      ModeSense;\r
-  ATAPI_READ_FORMAT_CAP_CMD ReadFormatCapacity;\r
+  UINT16                       Data16[6];\r
+  ATAPI_TEST_UNIT_READY_CMD    TestUnitReady;\r
+  ATAPI_READ10_CMD             Read10;\r
+  ATAPI_REQUEST_SENSE_CMD      RequestSence;\r
+  ATAPI_INQUIRY_CMD            Inquiry;\r
+  ATAPI_MODE_SENSE_CMD         ModeSense;\r
+  ATAPI_READ_FORMAT_CAP_CMD    ReadFormatCapacity;\r
 } ATAPI_PACKET_COMMAND;\r
 \r
-#pragma pack(pop)\r
+#pragma pack()\r
+\r
+#define ATAPI_MAX_DMA_EXT_CMD_SECTORS  0x10000\r
+#define ATAPI_MAX_DMA_CMD_SECTORS      0x100\r
 \r
+//  ATA/ATAPI Signature equates\r
+#define ATA_SIGNATURE       0x0101                                   ///< defined in ACS-3\r
+#define ATAPI_SIGNATURE     0xeb14                                   ///< defined in ACS-3\r
+#define ATAPI_SIGNATURE_32  0xeb140101                               ///< defined in ACS-3\r
 \r
-#define ATAPI_MAX_DMA_EXT_CMD_SECTORS 0x10000\r
-#define ATAPI_MAX_DMA_CMD_SECTORS     0x100\r
+//  Spin Up Configuration definitions\r
+#define ATA_SPINUP_CFG_REQUIRED_IDD_INCOMPLETE      0x37c8       ///< defined in ACS-3\r
+#define ATA_SPINUP_CFG_REQUIRED_IDD_COMPLETE        0x738c       ///< defined in ACS-3\r
+#define ATA_SPINUP_CFG_NOT_REQUIRED_IDD_INCOMPLETE  0x8c73       ///< defined in ACS-3\r
+#define ATA_SPINUP_CFG_NOT_REQUIRED_IDD_COMPLETE    0xc837       ///< defined in ACS-3\r
 \r
 //\r
 // ATA Packet Command Code\r
 //\r
-#define ATA_CMD_SOFT_RESET                  0x08\r
-#define ATA_CMD_PACKET                      0xA0\r
-#define ATA_CMD_IDENTIFY_DEVICE             0xA1\r
-#define ATA_CMD_SERVICE                     0xA2\r
-#define ATA_CMD_TEST_UNIT_READY             0x00\r
-#define ATA_CMD_REQUEST_SENSE               0x03\r
-#define ATA_CMD_INQUIRY                     0x12\r
-#define ATA_CMD_READ_FORMAT_CAPACITY        0x23\r
-#define ATA_CMD_READ_CAPACITY               0x25\r
-#define ATA_CMD_READ_10                     0x28\r
-#define ATA_CMD_WRITE_10                    0x2A\r
+#define ATA_CMD_FORMAT_UNIT                  0x04              ///< defined in ATAPI Removable Rewritable Media Devices\r
+#define ATA_CMD_SOFT_RESET                   0x08              ///< defined from ATA-3\r
+#define ATA_CMD_PACKET                       0xA0              ///< defined from ATA-3\r
+#define ATA_CMD_IDENTIFY_DEVICE              0xA1              ///< defined from ATA-3\r
+#define ATA_CMD_SERVICE                      0xA2              ///< defined from ATA-3\r
+#define ATA_CMD_TEST_UNIT_READY              0x00              ///< defined from ATA-1\r
+#define ATA_CMD_REQUEST_SENSE                0x03              ///< defined from ATA-4\r
+#define ATA_CMD_INQUIRY                      0x12              ///< defined in ATAPI Removable Rewritable Media Devices\r
+#define ATA_CMD_READ_FORMAT_CAPACITY         0x23              ///< defined in ATAPI Removable Rewritable Media Devices\r
+#define ATA_CMD_READ_CAPACITY                0x25              ///< defined in ATAPI Removable Rewritable Media Devices\r
+#define ATA_CMD_READ_10                      0x28              ///< defined in ATAPI Removable Rewritable Media Devices\r
+#define ATA_CMD_WRITE_10                     0x2A              ///< defined in ATAPI Removable Rewritable Media Devices\r
+#define ATA_CMD_ATAPI_SEEK                   0x2B              ///< defined in ATAPI Removable Rewritable Media Devices\r
+#define ATA_CMD_WRITE_AND_VERIFY             0x2E              ///< defined in ATAPI Removable Rewritable Media Devices\r
+#define ATA_CMD_VERIFY                       0x2F              ///< defined in ATAPI Removable Rewritable Media Devices\r
+#define ATA_CMD_READ_12                      0xA8              ///< defined in ATAPI Removable Rewritable Media Devices\r
+#define ATA_CMD_WRITE_12                     0xAA              ///< defined in ATAPI Removable Rewritable Media Devices\r
+#define ATA_CMD_START_STOP_UNIT              0x1B              ///< defined in ATAPI Removable Rewritable Media Devices\r
+#define ATA_CMD_PREVENT_ALLOW_MEDIA_REMOVAL  0x1E              ///< defined in ATAPI Removable Rewritable Media Devices\r
+#define ATA_CMD_MODE_SELECT                  0x55              ///< defined in ATAPI Removable Rewritable Media Devices\r
+\r
+#define ATA_CMD_MODE_SENSE                          0x5A       ///< defined in ATAPI Removable Rewritable Media Devices\r
+#define ATA_PAGE_CODE_READ_WRITE_ERROR              0x01       ///< defined in ATAPI Removable Rewritable Media Devices\r
+#define ATA_PAGE_CODE_CACHING_PAGE                  0x08       ///< defined in ATAPI Removable Rewritable Media Devices\r
+#define ATA_PAGE_CODE_REMOVABLE_BLOCK_CAPABILITIES  0x1B       ///< defined in ATAPI Removable Rewritable Media Devices\r
+#define ATA_PAGE_CODE_TIMER_PROTECT_PAGE            0x1C       ///< defined in ATAPI Removable Rewritable Media Devices\r
+#define ATA_PAGE_CODE_RETURN_ALL_PAGES              0x3F       ///< defined in ATAPI Removable Rewritable Media Devices\r
+\r
+#define ATA_CMD_GET_CONFIGURATION         0x46                 ///< defined in ATAPI Multimedia Devices\r
+#define ATA_GCCD_RT_FIELD_VALUE_ALL       0x00                 ///< defined in ATAPI Multimedia Devices\r
+#define ATA_GCCD_RT_FIELD_VALUE_CURRENT   0x01                 ///< defined in ATAPI Multimedia Devices\r
+#define ATA_GCCD_RT_FIELD_VALUE_SINGLE    0x02                 ///< defined in ATAPI Multimedia Devices\r
+#define ATA_GCCD_RT_FIELD_VALUE_RESERVED  0x03                 ///< defined in ATAPI Multimedia Devices\r
+\r
+#define ATA_FEATURE_LIST_PROFILE_LIST       0x0000                   ///< defined in ATAPI Multimedia Devices\r
+#define ATA_FEATURE_LIST_CORE               0x0001                   ///< defined in ATAPI Multimedia Devices\r
+#define ATA_FEATURE_LIST_MORPHING           0x0002                   ///< defined in ATAPI Multimedia Devices\r
+#define ATA_FEATURE_LIST_REMOVEABLE_MEDIUM  0x0003                   ///< defined in ATAPI Multimedia Devices\r
+#define ATA_FEATURE_LIST_WRITE_PROTECT      0x0004                   ///< defined in ATAPI Multimedia Devices\r
+\r
+///\r
+/// Start/Stop and Eject Operations\r
+///\r
+///@{\r
+#define ATA_CMD_SUBOP_STOP_DISC   0x00                         ///< Stop the Disc\r
+#define ATA_CMD_SUBOP_START_DISC  0x01                         ///< Start the Disc and acquire the format type\r
+#define ATA_CMD_SUBOP_EJECT_DISC  0x02                         ///< Eject the Disc if possible\r
+#define ATA_CMD_SUBOP_CLOSE_TRAY  0x03                         ///< Load the Disc (Close Tray)\r
+///@}\r
 \r
 //\r
 // ATA Commands Code\r
@@ -397,94 +539,241 @@ typedef union {
 //\r
 // Class 1: PIO Data-In Commands\r
 //\r
-#define ATA_CMD_IDENTIFY_DRIVE          0xec\r
-#define ATA_CMD_READ_BUFFER             0xe4\r
-#define ATA_CMD_READ_SECTORS            0x20\r
-#define ATA_CMD_READ_SECTORS_WITH_RETRY 0x21\r
-#define ATA_CMD_READ_LONG               0x22\r
-#define ATA_CMD_READ_LONG_WITH_RETRY    0x23\r
+#define ATA_CMD_IDENTIFY_DRIVE           0xec                  ///< defined from ATA-3\r
+#define ATA_CMD_READ_BUFFER              0xe4                  ///< defined from ATA-1\r
+#define ATA_CMD_READ_SECTORS             0x20                  ///< defined from ATA-1\r
+#define ATA_CMD_READ_SECTORS_WITH_RETRY  0x21                  ///< defined from ATA-1, obsoleted from ATA-5\r
+#define ATA_CMD_READ_LONG                0x22                  ///< defined from ATA-1, obsoleted from ATA-5\r
+#define ATA_CMD_READ_LONG_WITH_RETRY     0x23                  ///< defined from ATA-1, obsoleted from ATA-5\r
+#define ATA_CMD_READ_SECTORS_EXT         0x24                  ///< defined from ATA-6\r
+#define ATA_CMD_READ_MULTIPLE            0xc4                  ///< defined in ACS-3\r
+#define ATA_CMD_READ_MULTIPLE_EXT        0x29                  ///< defined in ACS-3\r
+#define ATA_CMD_READ_LOG_EXT             0x2f                  ///< defined in ACS-3\r
+\r
+//\r
+// Class 2: PIO Data-Out Commands\r
+//\r
+#define ATA_CMD_FORMAT_TRACK              0x50                ///< defined from ATA-1, obsoleted from ATA-4\r
+#define ATA_CMD_WRITE_BUFFER              0xe8                ///< defined from ATA-1\r
+#define ATA_CMD_WRITE_SECTORS             0x30                ///< defined from ATA-1\r
+#define ATA_CMD_WRITE_SECTORS_WITH_RETRY  0x31                ///< defined from ATA-1, obsoleted from ATA-5\r
+#define ATA_CMD_WRITE_LONG                0x32                ///< defined from ATA-1, obsoleted from ATA-5\r
+#define ATA_CMD_WRITE_LONG_WITH_RETRY     0x33                ///< defined from ATA-1, obsoleted from ATA-5\r
+#define ATA_CMD_WRITE_VERIFY              0x3c                ///< defined from ATA-1, obsoleted from ATA-5\r
+#define ATA_CMD_WRITE_SECTORS_EXT         0x34                ///< defined from ATA-6\r
+#define ATA_CMD_WRITE_MULTIPLE            0xc5                ///< defined in ACS-3\r
+#define ATA_CMD_WRITE_MULTIPLE_EXT        0x39                ///< defined in ACS-3\r
+\r
 //\r
-// Atapi6 enhanced commands\r
+// Class 3 No Data Command\r
 //\r
-#define ATA_CMD_READ_SECTORS_EXT  0x24\r
+#define ATA_CMD_ACK_MEDIA_CHANGE             0xdb             ///< defined from ATA-1, obsoleted from ATA-5\r
+#define ATA_CMD_BOOT_POST_BOOT               0xdc             ///< defined from ATA-1, obsoleted from ATA-3\r
+#define ATA_CMD_BOOT_PRE_BOOT                0xdd             ///< defined from ATA-1, obsoleted from ATA-3\r
+#define ATA_CMD_CHECK_POWER_MODE             0x98             ///< defined from ATA-1, obsoleted from ATA-4\r
+#define ATA_CMD_CHECK_POWER_MODE_ALIAS       0xe5             ///< defined from ATA-1\r
+#define ATA_CMD_DOOR_LOCK                    0xde             ///< defined from ATA-1\r
+#define ATA_CMD_DOOR_UNLOCK                  0xdf             ///< defined from ATA-1\r
+#define ATA_CMD_EXEC_DRIVE_DIAG              0x90             ///< defined from ATA-1\r
+#define ATA_CMD_IDLE_ALIAS                   0x97             ///< defined from ATA-1, obsoleted from ATA-4\r
+#define ATA_CMD_IDLE                         0xe3             ///< defined from ATA-1\r
+#define ATA_CMD_IDLE_IMMEDIATE               0x95             ///< defined from ATA-1, obsoleted from ATA-4\r
+#define ATA_CMD_IDLE_IMMEDIATE_ALIAS         0xe1             ///< defined from ATA-1\r
+#define ATA_CMD_INIT_DRIVE_PARAM             0x91             ///< defined from ATA-1, obsoleted from ATA-6\r
+#define ATA_CMD_RECALIBRATE                  0x10             ///< defined from ATA-1, obsoleted from ATA-4\r
+#define ATA_CMD_READ_DRIVE_STATE             0xe9             ///< defined from ATA-1, obsoleted from ATA-3\r
+#define ATA_CMD_SET_MULTIPLE_MODE            0xC6             ///< defined from ATA-2\r
+#define ATA_CMD_READ_VERIFY                  0x40             ///< defined from ATA-1\r
+#define ATA_CMD_READ_VERIFY_WITH_RETRY       0x41             ///< defined from ATA-1, obsoleted from ATA-5\r
+#define ATA_CMD_SEEK                         0x70             ///< defined from ATA-1\r
+#define ATA_CMD_SET_FEATURES                 0xef             ///< defined from ATA-1\r
+#define ATA_CMD_STANDBY                      0x96             ///< defined from ATA-1, obsoleted from ATA-4\r
+#define ATA_CMD_STANDBY_ALIAS                0xe2             ///< defined from ATA-1\r
+#define ATA_CMD_STANDBY_IMMEDIATE            0x94             ///< defined from ATA-1, obsoleted from ATA-4\r
+#define ATA_CMD_STANDBY_IMMEDIATE_ALIAS      0xe0             ///< defined from ATA-1\r
+#define ATA_CMD_SLEEP                        0xe6             ///< defined in ACS-3\r
+#define ATA_CMD_READ_NATIVE_MAX_ADDRESS      0xf8             ///< defined in ATA-6\r
+#define ATA_CMD_READ_NATIVE_MAX_ADDRESS_EXT  0x27             ///< defined in ATA-6\r
+\r
+//\r
+// Set Features Sub Command\r
+//\r
+#define ATA_SUB_CMD_ENABLE_VOLATILE_WRITE_CACHE          0x02      ///< defined in ACS-3\r
+#define ATA_SUB_CMD_SET_TRANSFER_MODE                    0x03      ///< defined in ACS-3\r
+#define ATA_SUB_CMD_ENABLE_APM                           0x05      ///< defined in ACS-3\r
+#define ATA_SUB_CMD_ENABLE_PUIS                          0x06      ///< defined in ACS-3\r
+#define ATA_SUB_CMD_PUIS_SET_DEVICE_SPINUP               0x07      ///< defined in ACS-3\r
+#define ATA_SUB_CMD_ENABLE_WRITE_READ_VERIFY             0x0b      ///< defined in ACS-3\r
+#define ATA_SUB_CMD_ENABLE_SATA_FEATURE                  0x10      ///< defined in ACS-3\r
+#define ATA_SUB_CMD_DISABLE_MEDIA_STATUS_NOTIFICATION    0x31      ///< defined in ACS-3\r
+#define ATA_SUB_CMD_ENABLE_FREE_FALL_CONTROL             0x41      ///< defined in ACS-3\r
+#define ATA_SUB_CMD_ACOUSTIC_MANAGEMENT_ENABLE           0x42      ///< defined in ACS-3\r
+#define ATA_SUB_CMD_SET_MAX_HOST_INTERFACE_SECTOR_TIMES  0x43      ///< defined in ACS-3\r
+#define ATA_SUB_CMD_EXTENDED_POWER_CONDITIONS            0x4a      ///< defined in ACS-3\r
+#define ATA_SUB_CMD_DISABLE_READ_LOOK_AHEAD              0x55      ///< defined in ACS-3\r
+#define ATA_SUB_CMD_EN_DIS_DSN_FEATURE                   0x63      ///< defined in ACS-3\r
+#define ATA_SUB_CMD_DISABLE_REVERT_TO_POWER_ON_DEFAULTS  0x66      ///< defined in ACS-3\r
+#define ATA_SUB_CMD_DISABLE_VOLATILE_WRITE_CACHE         0x82      ///< defined in ACS-3\r
+#define ATA_SUB_CMD_DISABLE_APM                          0x85      ///< defined in ACS-3\r
+#define ATA_SUB_CMD_DISABLE_PUIS                         0x86      ///< defined in ACS-3\r
+#define ATA_SUB_CMD_DISABLE_WRITE_READ_VERIFY            0x8b      ///< defined in ACS-3\r
+#define ATA_SUB_CMD_DISABLE_SATA_FEATURE                 0x90      ///< defined in ACS-3\r
+#define ATA_SUB_CMD_ENABLE_MEDIA_STATUS_NOTIFICATION     0x95      ///< defined in ACS-3\r
+#define ATA_SUB_CMD_ENABLE_READ_LOOK_AHEAD               0xaa      ///< defined in ACS-3\r
+#define ATA_SUB_CMD_DISABLE_FREE_FALL_CONTROL            0xc1      ///< defined in ACS-3\r
+#define ATA_SUB_CMD_ACOUSTIC_MANAGEMENT_DISABLE          0xc2      ///< defined in ACS-3\r
+#define ATA_SUB_CMD_EN_DIS_SENSE_DATA_REPORTING          0xc3      ///< defined in ACS-3\r
+#define ATA_SUB_CMD_ENABLE_REVERT_TO_POWER_ON_DEFAULTS   0xcc      ///< defined in ACS-3\r
 \r
+//\r
+// S.M.A.R.T\r
+//\r
+#define ATA_CMD_SMART    0xb0                                 ///< defined from ATA-3\r
+#define ATA_CONSTANT_C2  0xc2                                 ///< reserved\r
+#define ATA_CONSTANT_4F  0x4f                                 ///< reserved\r
+\r
+#define ATA_SMART_READ_DATA  0xd0                              ///< defined in ACS-3\r
+\r
+#define ATA_SMART_AUTOSAVE         0xd2                       ///< defined in ACS-3\r
+#define ATA_AUTOSAVE_DISABLE_ATTR  0x00\r
+#define ATA_AUTOSAVE_ENABLE_ATTR   0xf1\r
+\r
+#define ATA_SMART_EXECUTE_OFFLINE_IMMEDIATE            0xd4   ///< defined in ACS-3\r
+#define ATA_EXECUTE_SMART_OFFLINE_ROUTINE              0x00   ///< defined in ACS-3\r
+#define ATA_EXECUTE_SMART_OFFLINE_SHORT_SELFTEST       0x01   ///< defined in ACS-3\r
+#define ATA_EXECUTE_SMART_OFFLINE_EXTENDED_SELFTEST    0x02   ///< defined in ACS-3\r
+#define ATA_EXECUTE_SMART_OFFLINE_CONVEYANCE_SELFTEST  0x03   ///< defined in ACS-3\r
+#define ATA_EXECUTE_SMART_OFFLINE_SELECTIVE_SELFTEST   0x04   ///< defined in ACS-3\r
+#define ATA_SMART_ABORT_SELF_TEST_SUBROUTINE           0x7f   ///< defined in ACS-3\r
+#define ATA_EXECUTE_SMART_CAPTIVE_SHORT_SELFTEST       0x81   ///< defined in ACS-3\r
+#define ATA_EXECUTE_SMART_CAPTIVE_EXTENDED_SELFTEST    0x82   ///< defined in ACS-3\r
+#define ATA_EXECUTE_SMART_CAPTIVE_CONVEYANCE_SELFTEST  0x83   ///< defined in ACS-3\r
+#define ATA_EXECUTE_SMART_CAPTIVE_SELECTIVE_SELFTEST   0x84   ///< defined in ACS-3\r
+\r
+#define ATA_SMART_READLOG            0xd5                     ///< defined in ACS-3\r
+#define ATA_SMART_WRITELOG           0xd6                     ///< defined in ACS-3\r
+#define ATA_SMART_ENABLE_OPERATION   0xd8                     ///< reserved\r
+#define ATA_SMART_DISABLE_OPERATION  0xd9                     ///< defined in ACS-3\r
+#define ATA_SMART_RETURN_STATUS      0xda                     ///< defined from ATA-3\r
+\r
+#define ATA_SMART_THRESHOLD_NOT_EXCEEDED_VALUE  0xc24f              ///< defined in ACS-3\r
+#define ATA_SMART_THRESHOLD_EXCEEDED_VALUE      0x2cf4              ///< defined in ACS-3\r
+\r
+// SMART Log Definitions\r
+#define ATA_SMART_LOG_DIRECTORY             0x00                  ///< defined in ACS-3\r
+#define ATA_SMART_SUM_SMART_ERROR_LOG       0x01                  ///< defined in ACS-3\r
+#define ATA_SMART_COMP_SMART_ERROR_LOG      0x02                  ///< defined in ACS-3\r
+#define ATA_SMART_EXT_COMP_SMART_ERROR_LOG  0x03                  ///< defined in ACS-3\r
+#define ATA_SMART_SMART_SELFTEST_LOG        0x06                  ///< defined in ACS-3\r
+#define ATA_SMART_EXT_SMART_SELFTEST_LOG    0x07                  ///< defined in ACS-3\r
+#define ATA_SMART_SELECTIVE_SELFTEST_LOG    0x09                  ///< defined in ACS-3\r
+#define ATA_SMART_HOST_VENDOR_SPECIFIC      0x80                  ///< defined in ACS-3\r
+#define ATA_SMART_DEVICE_VENDOR_SPECIFIC    0xa0                  ///< defined in ACS-3\r
 \r
 //\r
-// Class 2: PIO Data-Out Commands\r
+// Class 4: DMA Command\r
 //\r
-#define ATA_CMD_FORMAT_TRACK              0x50\r
-#define ATA_CMD_WRITE_BUFFER              0xe8\r
-#define ATA_CMD_WRITE_SECTORS             0x30\r
-#define ATA_CMD_WRITE_SECTORS_WITH_RETRY  0x31\r
-#define ATA_CMD_WRITE_LONG                0x32\r
-#define ATA_CMD_WRITE_LONG_WITH_RETRY     0x33\r
-#define ATA_CMD_WRITE_VERIFY              0x3c\r
+#define ATA_CMD_READ_DMA              0xc8                     ///< defined from ATA-1\r
+#define ATA_CMD_READ_DMA_WITH_RETRY   0xc9                     ///< defined from ATA-1, obsoleted from ATA-5\r
+#define ATA_CMD_READ_DMA_EXT          0x25                     ///< defined from ATA-6\r
+#define ATA_CMD_WRITE_DMA             0xca                     ///< defined from ATA-1\r
+#define ATA_CMD_WRITE_DMA_WITH_RETRY  0xcb                     ///< defined from ATA-1, obsoleted from ATA-\r
+#define ATA_CMD_WRITE_DMA_EXT         0x35                     ///< defined from ATA-6\r
+\r
 //\r
-// Class 2 - Atapi6 enhanced commands\r
+//  ATA Security commands\r
 //\r
-#define ATA_CMD_WRITE_SECTORS_EXT 0x34\r
+#define ATA_CMD_SECURITY_SET_PASSWORD      0xf1               ///< defined in ACS-3\r
+#define ATA_CMD_SECURITY_UNLOCK            0xf2               ///< defined in ACS-3\r
+#define ATA_CMD_SECURITY_ERASE_PREPARE     0xf3               ///< defined in ACS-3\r
+#define ATA_CMD_SECURITY_ERASE_UNIT        0xf4               ///< defined in ACS-3\r
+#define ATA_CMD_SECURITY_FREEZE_LOCK       0xf5               ///< defined in ACS-3\r
+#define ATA_CMD_SECURITY_DISABLE_PASSWORD  0xf6               ///< defined in ACS-3\r
+\r
+#define ATA_SECURITY_BUFFER_LENGTH  512                          ///< defined in ACS-3\r
 \r
 //\r
-// Class 3 No Data Command\r
+//  ATA Device Config Overlay\r
 //\r
-#define ATA_CMD_ACK_MEDIA_CHANGE        0xdb\r
-#define ATA_CMD_BOOT_POST_BOOT          0xdc\r
-#define ATA_CMD_BOOT_PRE_BOOT           0xdd\r
-#define ATA_CMD_CHECK_POWER_MODE        0x98\r
-#define ATA_CMD_CHECK_POWER_MODE_ALIAS  0xe5\r
-#define ATA_CMD_DOOR_LOCK               0xde\r
-#define ATA_CMD_DOOR_UNLOCK             0xdf\r
-#define ATA_CMD_EXEC_DRIVE_DIAG         0x90\r
-#define ATA_CMD_IDLE_ALIAS              0x97\r
-#define ATA_CMD_IDLE                    0xe3\r
-#define ATA_CMD_IDLE_IMMEDIATE          0x95\r
-#define ATA_CMD_IDLE_IMMEDIATE_ALIAS    0xe1\r
-#define ATA_CMD_INIT_DRIVE_PARAM        0x91\r
-#define ATA_CMD_RECALIBRATE             0x10  /* aliased to 1x */\r
-#define ATA_CMD_READ_DRIVE_STATE        0xe9\r
-#define ATA_CMD_SET_MULTIPLE_MODE       0xC6\r
-#define ATA_CMD_READ_VERIFY             0x40\r
-#define ATA_CMD_READ_VERIFY_WITH_RETRY  0x41\r
-#define ATA_CMD_SEEK                    0x70  /* aliased to 7x */\r
-#define ATA_CMD_SET_FEATURES            0xef\r
-#define ATA_CMD_STANDBY                 0x96\r
-#define ATA_CMD_STANDBY_ALIAS           0xe2\r
-#define ATA_CMD_STANDBY_IMMEDIATE       0x94\r
-#define ATA_CMD_STANDBY_IMMEDIATE_ALIAS 0xe0\r
+#define ATA_CMD_DEV_CONFIG_OVERLAY             0xb1            ///< defined from ATA-6\r
+#define ATA_CMD_DEV_CONFIG_RESTORE_FEATURE     0xc0            ///< defined from ATA-6\r
+#define ATA_CMD_DEV_CONFIG_FREEZELOCK_FEATURE  0xc1            ///< defined from ATA-6\r
+#define ATA_CMD_DEV_CONFIG_IDENTIFY_FEATURE    0xc2            ///< defined from ATA-6\r
+#define ATA_CMD_DEV_CONFIG_SET_FEATURE         0xc3            ///< defined from ATA-6\r
+\r
 //\r
-// S.M.A.R.T\r
+//  ATA Trusted Computing Feature Set Commands\r
 //\r
-#define ATA_CMD_SMART               0xb0\r
-#define ATA_CONSTANT_C2             0xc2\r
-#define ATA_CONSTANT_4F             0x4f\r
-#define ATA_SMART_ENABLE_OPERATION  0xd8\r
-#define ATA_SMART_RETURN_STATUS     0xda\r
+#define ATA_CMD_TRUSTED_NON_DATA     0x5b                     ///< defined in ACS-3\r
+#define ATA_CMD_TRUSTED_RECEIVE      0x5c                     ///< defined in ACS-3\r
+#define ATA_CMD_TRUSTED_RECEIVE_DMA  0x5d                     ///< defined in ACS-3\r
+#define ATA_CMD_TRUSTED_SEND         0x5e                     ///< defined in ACS-3\r
+#define ATA_CMD_TRUSTED_SEND_DMA     0x5f                     ///< defined in ACS-3\r
 \r
+//\r
+//  ATA Trusted Receive Fields\r
+//\r
+#define ATA_TR_RETURN_SECURITY_PROTOCOL_INFORMATION  0x00     ///< defined in ACS-3\r
+#define ATA_TR_SECURITY_PROTOCOL_JEDEC_RESERVED      0xec     ///< defined in ACS-3\r
+#define ATA_TR_SECURITY_PROTOCOL_SDCARD_RESERVED     0xed     ///< defined in ACS-3\r
+#define ATA_TR_SECURITY_PROTOCOL_IEEE1667_RESERVED   0xee     ///< defined in ACS-3\r
 \r
 //\r
-// Class 4: DMA Command\r
+//  Equates used for Acoustic Flags\r
+//\r
+#define ATA_ACOUSTIC_LEVEL_BYPASS               0xff           ///< defined from ATA-6\r
+#define ATA_ACOUSTIC_LEVEL_MAXIMUM_PERFORMANCE  0xfe           ///< defined from ATA-6\r
+#define ATA_ACOUSTIC_LEVEL_QUIET                0x80           ///< defined from ATA-6\r
+\r
+//\r
+//  Equates used for DiPM Support\r
 //\r
-#define ATA_CMD_READ_DMA              0xc8\r
-#define ATA_CMD_READ_DMA_WITH_RETRY   0xc9\r
-#define ATA_CMD_READ_DMA_EXT          0x25\r
-#define ATA_CMD_WRITE_DMA             0xca\r
-#define ATA_CMD_WRITE_DMA_WITH_RETRY  0xcb\r
-#define ATA_CMD_WRITE_DMA_EXT         0x35\r
+#define ATA_CMD_DIPM_SUB  0x03                                 // defined in ACS-3 : Count value in SetFeature identification : 03h  Device-initiated interface power state transitions\r
+#define ATA_DIPM_ENABLE   0x10                                 // defined in ACS-3\r
+#define ATA_DIPM_DISABLE  0x90                                 // defined in ACS-3\r
 \r
+//\r
+//  Equates used for DevSleep Support\r
+//\r
+#define ATA_CMD_DEVSLEEP_SUB  0x09                             // defined in SATA 3.2 Gold Spec :  Count value in SetFeature identification : 09h  Device Sleep\r
+#define ATA_DEVSLEEP_ENABLE   0x10                             // defined in SATA 3.2 Gold Spec\r
+#define ATA_DEVSLEEP_DISABLE  0x90                             // defined in SATA 3.2 Gold Spec\r
 \r
+#define ATA_DEVSLP_EXIT_TIMEOUT            20                  // MDAT - 20 ms\r
+#define ATA_DEVSLP_MINIMUM_DETECTION_TIME  10                  // DMDT - 10 us\r
+#define ATA_DEVSLP_MINIMUM_ASSERTION_TIME  10                  // DETO - 10 ms\r
 \r
 //\r
-// default content of device control register, disable INT\r
+//  Set MAX Commands\r
 //\r
-#define ATA_DEFAULT_CTL           (0x0a)  // default content of device control register, disable INT\r
-#define ATA_DEFAULT_CMD           (0xa0)\r
+#define ATA_CMD_SET_MAX_ADDRESS_EXT  0x37                      ///< defined from ATA-6\r
+#define ATA_CMD_SET_MAX_ADDRESS      0xf9                      ///< defined from ATA-6\r
+#define ATA_SET_MAX_SET_PASSWORD     0x01                      ///< defined from ATA-6\r
+#define ATA_SET_MAX_LOCK             0x02                      ///< defined from ATA-6\r
+#define ATA_SET_MAX_UNLOCK           0x03                      ///< defined from ATA-6\r
+#define ATA_SET_MAX_FREEZE_LOCK      0x04                      ///< defined from ATA-6\r
+\r
+///\r
+/// Default content of device control register, disable INT,\r
+/// Bit3 is set to 1 according ATA-1\r
+///\r
+#define ATA_DEFAULT_CTL  (0x0a)\r
+///\r
+/// Default context of Device/Head Register,\r
+/// Bit7 and Bit5 are set to 1 for back-compatibilities.\r
+///\r
+#define ATA_DEFAULT_CMD  (0xa0)\r
 \r
 #define ATAPI_MAX_BYTE_COUNT  (0xfffe)\r
 \r
+#define ATA_REQUEST_SENSE_ERROR  (0x70)                        ///< defined in SFF-8070i\r
+\r
+//\r
+// Sense Key, Additional Sense Codes and Additional Sense Code Qualifier\r
+// defined in MultiMedia Commands (MMC, MMC-2)\r
 //\r
 // Sense Key\r
 //\r
-#define ATA_REQUEST_SENSE_ERROR (0x70)\r
 #define ATA_SK_NO_SENSE         (0x0)\r
 #define ATA_SK_RECOVERY_ERROR   (0x1)\r
 #define ATA_SK_NOT_READY        (0x2)\r
@@ -505,21 +794,21 @@ typedef union {
 //\r
 // Additional Sense Codes\r
 //\r
-#define ATA_ASC_NOT_READY                   (0x04)\r
-#define ATA_ASC_MEDIA_ERR1                  (0x10)\r
-#define ATA_ASC_MEDIA_ERR2                  (0x11)\r
-#define ATA_ASC_MEDIA_ERR3                  (0x14)\r
-#define ATA_ASC_MEDIA_ERR4                  (0x30)\r
-#define ATA_ASC_MEDIA_UPSIDE_DOWN           (0x06)\r
-#define ATA_ASC_INVALID_CMD                 (0x20)\r
-#define ATA_ASC_LBA_OUT_OF_RANGE            (0x21)\r
-#define ATA_ASC_INVALID_FIELD               (0x24)\r
-#define ATA_ASC_WRITE_PROTECTED             (0x27)\r
-#define ATA_ASC_MEDIA_CHANGE                (0x28)\r
-#define ATA_ASC_RESET                       (0x29)  /* Power On Reset or Bus Reset occurred */\r
-#define ATA_ASC_ILLEGAL_FIELD               (0x26)\r
-#define ATA_ASC_NO_MEDIA                    (0x3A)\r
-#define ATA_ASC_ILLEGAL_MODE_FOR_THIS_TRACK (0x64)\r
+#define ATA_ASC_NOT_READY                    (0x04)\r
+#define ATA_ASC_MEDIA_ERR1                   (0x10)\r
+#define ATA_ASC_MEDIA_ERR2                   (0x11)\r
+#define ATA_ASC_MEDIA_ERR3                   (0x14)\r
+#define ATA_ASC_MEDIA_ERR4                   (0x30)\r
+#define ATA_ASC_MEDIA_UPSIDE_DOWN            (0x06)\r
+#define ATA_ASC_INVALID_CMD                  (0x20)\r
+#define ATA_ASC_LBA_OUT_OF_RANGE             (0x21)\r
+#define ATA_ASC_INVALID_FIELD                (0x24)\r
+#define ATA_ASC_WRITE_PROTECTED              (0x27)\r
+#define ATA_ASC_MEDIA_CHANGE                 (0x28)\r
+#define ATA_ASC_RESET                        (0x29)             ///< Power On Reset or Bus Reset occurred.\r
+#define ATA_ASC_ILLEGAL_FIELD                (0x26)\r
+#define ATA_ASC_NO_MEDIA                     (0x3A)\r
+#define ATA_ASC_ILLEGAL_MODE_FOR_THIS_TRACK  (0x64)\r
 \r
 //\r
 // Additional Sense Code Qualifier\r
@@ -527,34 +816,34 @@ typedef union {
 #define ATA_ASCQ_IN_PROGRESS  (0x01)\r
 \r
 //\r
-// Err Reg\r
+// Error Register\r
 //\r
-#define ATA_ERRREG_BBK   BIT7  /* Bad block detected */\r
-#define ATA_ERRREG_UNC   BIT6  /* Uncorrectable Data */\r
-#define ATA_ERRREG_MC    BIT5  /* Media Change */\r
-#define ATA_ERRREG_IDNF  BIT4  /* ID Not Found */\r
-#define ATA_ERRREG_MCR   BIT3  /* Media Change Requested */\r
-#define ATA_ERRREG_ABRT  BIT2  /* Aborted Command */\r
-#define ATA_ERRREG_TK0NF BIT1  /* Track 0 Not Found */\r
-#define ATA_ERRREG_AMNF  BIT0  /* Address Mark Not Found */\r
+#define ATA_ERRREG_BBK    BIT7                                ///< Bad block detected      defined from ATA-1, obsoleted from ATA-2\r
+#define ATA_ERRREG_UNC    BIT6                                ///< Uncorrectable Data      defined from ATA-1, obsoleted from ATA-4\r
+#define ATA_ERRREG_MC     BIT5                                ///< Media Change            defined from ATA-1, obsoleted from ATA-4\r
+#define ATA_ERRREG_IDNF   BIT4                                ///< ID Not Found            defined from ATA-1, obsoleted from ATA-4\r
+#define ATA_ERRREG_MCR    BIT3                                ///< Media Change Requested  defined from ATA-1, obsoleted from ATA-4\r
+#define ATA_ERRREG_ABRT   BIT2                                ///< Aborted Command         defined from ATA-1\r
+#define ATA_ERRREG_TK0NF  BIT1                                ///< Track 0 Not Found       defined from ATA-1, obsoleted from ATA-4\r
+#define ATA_ERRREG_AMNF   BIT0                                ///< Address Mark Not Found  defined from ATA-1, obsoleted from ATA-4\r
 \r
 //\r
-// Status Reg\r
+// Status Register\r
 //\r
-#define ATA_STSREG_BSY   BIT7  /* Controller Busy */\r
-#define ATA_STSREG_DRDY  BIT6  /* Drive Ready */\r
-#define ATA_STSREG_DWF   BIT5  /* Drive Write Fault */\r
-#define ATA_STSREG_DSC   BIT4  /* Disk Seek Complete */\r
-#define ATA_STSREG_DRQ   BIT3  /* Data Request */\r
-#define ATA_STSREG_CORR  BIT2  /* Corrected Data */\r
-#define ATA_STSREG_IDX   BIT1  /* Index */\r
-#define ATA_STSREG_ERR   BIT0  /* Error */\r
+#define ATA_STSREG_BSY   BIT7                                 ///< Controller Busy         defined from ATA-1\r
+#define ATA_STSREG_DRDY  BIT6                                 ///< Drive Ready             defined from ATA-1\r
+#define ATA_STSREG_DWF   BIT5                                 ///< Drive Write Fault       defined from ATA-1, obsoleted from ATA-4\r
+#define ATA_STSREG_DF    BIT5                                 ///< Drive Fault             defined from ATA-6\r
+#define ATA_STSREG_DSC   BIT4                                 ///< Disk Seek Complete      defined from ATA-1, obsoleted from ATA-4\r
+#define ATA_STSREG_DRQ   BIT3                                 ///< Data Request            defined from ATA-1\r
+#define ATA_STSREG_CORR  BIT2                                 ///< Corrected Data          defined from ATA-1, obsoleted from ATA-4\r
+#define ATA_STSREG_IDX   BIT1                                 ///< Index                   defined from ATA-1, obsoleted from ATA-4\r
+#define ATA_STSREG_ERR   BIT0                                 ///< Error                   defined from ATA-1\r
 \r
 //\r
-// Device Control Reg\r
+// Device Control Register\r
 //\r
-#define ATA_CTLREG_SRST  BIT2  /* Software Reset */\r
-#define ATA_CTLREG_IEN_L BIT1  /* Interrupt Enable #*/\r
+#define ATA_CTLREG_SRST   BIT2                                ///< Software Reset.\r
+#define ATA_CTLREG_IEN_L  BIT1                                ///< Interrupt Enable #.\r
 \r
 #endif\r
-\r