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/*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* GPL LICENSE SUMMARY
*
* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
* The full GNU General Public License is included in this distribution
* in the file called LICENSE.GPL.
*
* BSD LICENSE
*
* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* This file defines all of the ATA related constants, enumerations, and types.
* Please note that this file does not necessarily contain an exhaustive
* list of all constants, commands, sub-commands, etc.
*
*
*/
#ifndef _ATA_H_
#define _ATA_H_
#include <linux/types.h>
/**
*
*
* ATA_COMMAND_CODES These constants depict the various ATA command codes
* defined in the ATA/ATAPI specification.
*/
#define ATA_IDENTIFY_DEVICE 0xEC
#define ATA_CHECK_POWER_MODE 0xE5
#define ATA_STANDBY 0xE2
#define ATA_STANDBY_IMMED 0xE0
#define ATA_IDLE_IMMED 0xE1
#define ATA_IDLE 0xE3
#define ATA_FLUSH_CACHE 0xE7
#define ATA_FLUSH_CACHE_EXT 0xEA
#define ATA_READ_DMA_EXT 0x25
#define ATA_READ_DMA 0xC8
#define ATA_READ_SECTORS_EXT 0x24
#define ATA_READ_SECTORS 0x20
#define ATA_WRITE_DMA_EXT 0x35
#define ATA_WRITE_DMA 0xCA
#define ATA_WRITE_SECTORS_EXT 0x34
#define ATA_WRITE_SECTORS 0x30
#define ATA_WRITE_UNCORRECTABLE 0x45
#define ATA_READ_VERIFY_SECTORS 0x40
#define ATA_READ_VERIFY_SECTORS_EXT 0x42
#define ATA_READ_BUFFER 0xE4
#define ATA_WRITE_BUFFER 0xE8
#define ATA_EXECUTE_DEVICE_DIAG 0x90
#define ATA_SET_FEATURES 0xEF
#define ATA_SMART 0xB0
#define ATA_PACKET_IDENTIFY 0xA1
#define ATA_PACKET 0xA0
#define ATA_READ_FPDMA 0x60
#define ATA_WRITE_FPDMA 0x61
#define ATA_READ_LOG_EXT 0x2F
#define ATA_NOP 0x00
#define ATA_DEVICE_RESET 0x08
#define ATA_MEDIA_EJECT 0xED
/**
*
*
* ATA_SMART_SUB_COMMAND_CODES These constants define the ATA SMART command
* sub-codes that can be executed.
*/
#define ATA_SMART_SUB_CMD_ENABLE 0xD8
#define ATA_SMART_SUB_CMD_DISABLE 0xD9
#define ATA_SMART_SUB_CMD_RETURN_STATUS 0xDA
#define ATA_SMART_SUB_CMD_READ_LOG 0xD5
/**
*
*
* ATA_SET_FEATURES_SUB_COMMAND_CODES These constants define the ATA SET
* FEATURES command sub-codes that can be executed.
*/
#define ATA_SET_FEATURES_SUB_CMD_ENABLE_CACHE 0x02
#define ATA_SET_FEATURES_SUB_CMD_DISABLE_CACHE 0x82
#define ATA_SET_FEATURES_SUB_CMD_DISABLE_READ_AHEAD 0x55
#define ATA_SET_FEATURES_SUB_CMD_ENABLE_READ_AHEAD 0xAA
#define ATA_SET_FEATURES_SUB_CMD_SET_TRANSFER_MODE 0x3
/**
*
*
* ATA_READ_LOG_EXT_PAGE_CODES This is a list of log page codes available for
* use.
*/
#define ATA_LOG_PAGE_NCQ_ERROR 0x10
#define ATA_LOG_PAGE_SMART_SELF_TEST 0x06
#define ATA_LOG_PAGE_EXTENDED_SMART_SELF_TEST 0x07
/**
*
*
* ATA_LOG_PAGE_NCQ_ERROR_CONSTANTS These constants define standard values for
* use when requesting the NCQ error log page.
*/
#define ATA_LOG_PAGE_NCQ_ERROR_SECTOR 0
#define ATA_LOG_PAGE_NCQ_ERROR_SECTOR_COUNT 1
/**
*
*
* ATA_STATUS_REGISTER_BITS The following are status register bit definitions
* per ATA/ATAPI-7.
*/
#define ATA_STATUS_REG_BSY_BIT 0x80
#define ATA_STATUS_REG_DEVICE_FAULT_BIT 0x20
#define ATA_STATUS_REG_ERROR_BIT 0x01
/**
*
*
* ATA_ERROR_REGISTER_BITS The following are error register bit definitions per
* ATA/ATAPI-7.
*/
#define ATA_ERROR_REG_NO_MEDIA_BIT 0x02
#define ATA_ERROR_REG_ABORT_BIT 0x04
#define ATA_ERROR_REG_MEDIA_CHANGE_REQUEST_BIT 0x08
#define ATA_ERROR_REG_ID_NOT_FOUND_BIT 0x10
#define ATA_ERROR_REG_MEDIA_CHANGE_BIT 0x20
#define ATA_ERROR_REG_UNCORRECTABLE_BIT 0x40
#define ATA_ERROR_REG_WRITE_PROTECTED_BIT 0x40
#define ATA_ERROR_REG_ICRC_BIT 0x80
/**
*
*
* ATA_CONTROL_REGISTER_BITS The following are control register bit definitions
* per ATA/ATAPI-7
*/
#define ATA_CONTROL_REG_INTERRUPT_ENABLE_BIT 0x02
#define ATA_CONTROL_REG_SOFT_RESET_BIT 0x04
#define ATA_CONTROL_REG_HIGH_ORDER_BYTE_BIT 0x80
/**
*
*
* ATA_DEVICE_HEAD_REGISTER_BITS The following are device/head register bit
* definitions per ATA/ATAPI-7.
*/
#define ATA_DEV_HEAD_REG_LBA_MODE_ENABLE 0x40
#define ATA_DEV_HEAD_REG_FUA_ENABLE 0x80
/**
*
*
* ATA_IDENTIFY_DEVICE_FIELD_LENGTHS The following constants define the number
* of bytes contained in various fields found in the IDENTIFY DEVICE data
* structure.
*/
#define ATA_IDENTIFY_SERIAL_NUMBER_LEN 20
#define ATA_IDENTIFY_MODEL_NUMBER_LEN 40
#define ATA_IDENTIFY_FW_REVISION_LEN 8
#define ATA_IDENTIFY_48_LBA_LEN 8
#define ATA_IDENTIFY_MEDIA_SERIAL_NUMBER_LEN 30
#define ATA_IDENTIFY_WWN_LEN 8
/**
*
*
* ATA_IDENTIFY_DEVICE_FIELD_MASKS The following constants define bit masks
* utilized to determine if a feature is supported/enabled or if a bit is
* simply set inside of the IDENTIFY DEVICE data structre.
*/
#define ATA_IDENTIFY_REMOVABLE_MEDIA_ENABLE 0x0080
#define ATA_IDENTIFY_CAPABILITIES1_NORMAL_DMA_ENABLE 0x0100
#define ATA_IDENTIFY_CAPABILITIES1_STANDBY_ENABLE 0x2000
#define ATA_IDENTIFY_COMMAND_SET_SUPPORTED0_SMART_ENABLE 0x0001
#define ATA_IDENTIFY_COMMAND_SET_SUPPORTED1_48BIT_ENABLE 0x0400
#define ATA_IDENTIFY_COMMAND_SET_WWN_SUPPORT_ENABLE 0x0100
#define ATA_IDENTIFY_COMMAND_SET_ENABLED0_SMART_ENABLE 0x0001
#define ATA_IDENTIFY_SATA_CAPABILITIES_NCQ_ENABLE 0x0100
#define ATA_IDENTIFY_NCQ_QUEUE_DEPTH_ENABLE 0x001F
#define ATA_IDENTIFY_SECTOR_LARGER_THEN_512_ENABLE 0x0100
#define ATA_IDENTIFY_LOGICAL_SECTOR_PER_PHYSICAL_SECTOR_MASK 0x000F
#define ATA_IDENTIFY_LOGICAL_SECTOR_PER_PHYSICAL_SECTOR_ENABLE 0x2000
#define ATA_IDENTIFY_WRITE_UNCORRECTABLE_SUPPORT 0x0004
#define ATA_IDENTIFY_COMMAND_SET_SMART_SELF_TEST_SUPPORTED 0x0002
/**
*
*
* ATAPI_IDENTIFY_DEVICE_FIELD_MASKS These constants define the various bit
* definitions for the fields in the PACKET IDENTIFY DEVICE data structure.
*/
#define ATAPI_IDENTIFY_16BYTE_CMD_PCKT_ENABLE 0x01
/**
*
*
* ATA_PACKET_FEATURE_BITS These constants define the various bit definitions
* for the ATA PACKET feature register.
*/
#define ATA_PACKET_FEATURE_DMA 0x01
#define ATA_PACKET_FEATURE_OVL 0x02
#define ATA_PACKET_FEATURE_DMADIR 0x04
/**
*
*
* ATA_Device_Power_Mode_Values These constants define the power mode values
* returned by ATA_Check_Power_Mode
*/
#define ATA_STANDBY_POWER_MODE 0x00
#define ATA_IDLE_POWER_MODE 0x80
#define ATA_ACTIVE_POWER_MODE 0xFF
/**
*
*
* ATA_WRITE_UNCORRECTIABLE feature field values These constants define the
* Write Uncorrectable feature values used with the SATI translation.
*/
#define ATA_WRITE_UNCORRECTABLE_PSUEDO 0x55
#define ATA_WRITE_UNCORRECTABLE_FLAGGED 0xAA
/**
* struct ATA_IDENTIFY_DEVICE - This structure depicts the ATA IDENTIFY DEVICE
* data format.
*
*
*/
struct ata_identify_device_data {
u16 general_config_bits; /* word 00 */
u16 obsolete0; /* word 01 (num cylinders) */
u16 vendor_specific_config_bits; /* word 02 */
u16 obsolete1; /* word 03 (num heads) */
u16 retired1[2]; /* words 04-05 */
u16 obsolete2; /* word 06 (sectors / track) */
u16 reserved_for_compact_flash1[2]; /* words 07-08 */
u16 retired0; /* word 09 */
u8 serial_number[ATA_IDENTIFY_SERIAL_NUMBER_LEN]; /* word 10-19 */
u16 retired2[2]; /* words 20-21 */
u16 obsolete4; /* word 22 */
u8 firmware_revision[ATA_IDENTIFY_FW_REVISION_LEN]; /* words 23-26 */
u8 model_number[ATA_IDENTIFY_MODEL_NUMBER_LEN]; /* words 27-46 */
u16 max_sectors_per_multiple; /* word 47 */
u16 reserved0; /* word 48 */
u16 capabilities1; /* word 49 */
u16 capabilities2; /* word 50 */
u16 obsolete5[2]; /* words 51-52 */
u16 validity_bits; /* word 53 */
u16 obsolete6[5]; /*
* words 54-58 Used to be:
* current cylinders,
* current heads,
* current sectors/Track,
* current capacity */
u16 current_max_sectors_per_multiple; /* word 59 */
u8 total_num_sectors[4]; /* words 60-61 */
u16 obsolete7; /* word 62 */
u16 multi_word_dma_mode; /* word 63 */
u16 pio_modes_supported; /* word 64 */
u16 min_multiword_dma_transfer_cycle; /* word 65 */
u16 rec_min_multiword_dma_transfer_cycle; /* word 66 */
u16 min_pio_transfer_no_flow_ctrl; /* word 67 */
u16 min_pio_transfer_with_flow_ctrl; /* word 68 */
u16 reserved1[2]; /* words 69-70 */
u16 reserved2[4]; /* words 71-74 */
u16 queue_depth; /* word 75 */
u16 serial_ata_capabilities; /* word 76 */
u16 serial_ata_reserved; /* word 77 */
u16 serial_ata_features_supported; /* word 78 */
u16 serial_ata_features_enabled; /* word 79 */
u16 major_version_number; /* word 80 */
u16 minor_version_number; /* word 81 */
u16 command_set_supported0; /* word 82 */
u16 command_set_supported1; /* word 83 */
u16 command_set_supported_extention; /* word 84 */
u16 command_set_enabled0; /* word 85 */
u16 command_set_enabled1; /* word 86 */
u16 command_set_default; /* word 87 */
u16 ultra_dma_mode; /* word 88 */
u16 security_erase_completion_time; /* word 89 */
u16 enhanced_security_erase_time; /* word 90 */
u16 current_power_mgmt_value; /* word 91 */
u16 master_password_revision; /* word 92 */
u16 hardware_reset_result; /* word 93 */
u16 current_acoustic_management_value; /* word 94 */
u16 stream_min_request_size; /* word 95 */
u16 stream_transfer_time; /* word 96 */
u16 stream_access_latency; /* word 97 */
u16 stream_performance_granularity[2]; /* words 98-99 */
u8 max_48bit_lba[ATA_IDENTIFY_48_LBA_LEN]; /* words 100-103 */
u16 streaming_transfer_time; /* word 104 */
u16 reserved3; /* word 105 */
u16 physical_logical_sector_info; /* word 106 */
u16 acoustic_test_interseek_delay; /* word 107 */
u8 world_wide_name[ATA_IDENTIFY_WWN_LEN]; /* words 108-111 */
u8 reserved_for_wwn_extention[ATA_IDENTIFY_WWN_LEN]; /* words 112-115 */
u16 reserved4; /* word 116 */
u8 words_per_logical_sector[4]; /* words 117-118 */
u16 command_set_supported2; /* word 119 */
u16 reserved5[7]; /* words 120-126 */
u16 removable_media_status; /* word 127 */
u16 security_status; /* word 128 */
u16 vendor_specific1[31]; /* words 129-159 */
u16 cfa_power_mode1; /* word 160 */
u16 reserved_for_compact_flash2[7]; /* words 161-167 */
u16 device_nominal_form_factor; /* word 168 */
u16 reserved_for_compact_flash3[7]; /* words 169-175 */
u16 current_media_serial_number[ATA_IDENTIFY_MEDIA_SERIAL_NUMBER_LEN]; /* words 176-205 */
u16 reserved6[3]; /* words 206-208 */
u16 logical_sector_alignment; /* words 209 */
u16 reserved7[7]; /* words 210-216 */
u16 nominal_media_rotation_rate; /* word 217 */
u16 reserved8[37]; /* words 218-254 */
u16 integrity_word; /* word 255 */
};
#define ATA_IDENTIFY_DEVICE_GET_OFFSET(field_name) \
((unsigned long)&(((struct ata_identify_device_data *)0)->field_name))
#define ATA_IDENTIFY_DEVICE_WCE_ENABLE 0x20
#define ATA_IDENTIFY_DEVICE_RA_ENABLE 0x40
/**
* struct ATAPI_IDENTIFY_PACKET_DATA - The following structure depicts the
* ATA-ATAPI 7 version of the IDENTIFY PACKET DEVICE data structure.
*
*
*/
struct atapi_identify_packet_device {
u16 generalConfigBits; /* word 00 */
u16 reserved0; /* word 01 (num cylinders) */
u16 uniqueConfigBits; /* word 02 */
u16 reserved1[7]; /* words 03 - 09 */
u8 serialNumber[ATA_IDENTIFY_SERIAL_NUMBER_LEN]; /* word 10-19 */
u16 reserved2[3]; /* words 20-22 */
u8 firmwareRevision[ATA_IDENTIFY_FW_REVISION_LEN]; /* words 23-26 */
u8 modelNumber[ATA_IDENTIFY_MODEL_NUMBER_LEN]; /* words 27-46 */
u16 reserved4[2]; /* words 47-48 */
u16 capabilities1; /* word 49 */
u16 capabilities2; /* word 50 */
u16 obsolete0[2]; /* words 51-52 */
u16 validityBits; /* word 53 */
u16 reserved[8]; /* words 54-61 */
u16 DMADIRBitRequired; /* word 62, page2 */
u16 multiWordDmaMode; /* word 63 */
u16 pioModesSupported; /* word 64 */
u16 minMultiwordDmaTransferCycle; /* word 65 */
u16 recMinMultiwordDmaTransferCycle; /* word 66 */
u16 minPioTransferNoFlowCtrl; /* word 67 */
u16 minPioTransferWithFlowCtrl; /* word 68 */
u16 reserved6[2]; /* words 69-70 */
u16 nsFromPACKETReceiptToBusRelease; /* word 71 */
u16 nsFromSERVICEReceiptToBSYreset; /* wore 72 */
u16 reserved7[2]; /* words 73-74 */
u16 queueDepth; /* word 75 */
u16 serialAtaCapabilities; /* word 76 */
u16 serialAtaReserved; /* word 77 */
u16 serialAtaFeaturesSupported; /* word 78 */
u16 serialAtaFeaturesEnabled; /* word 79 */
u16 majorVersionNumber; /* word 80, page3 */
u16 minorVersionNumber; /* word 81 */
u16 commandSetSupported0; /* word 82 */
u16 commandSetSupported1; /* word 83 */
u16 commandSetSupportedExtention; /* word 84, page4 */
u16 commandSetEnabled0; /* word 85 */
u16 commandSetEnabled1; /* word 86 */
u16 commandSetDefault; /* word 87 */
u16 ultraDmaMode; /* word 88, page5 */
u16 reserved8[4]; /* words 89 - 92 */
u16 hardwareResetResult; /* word 93, page6 */
u16 currentAcousticManagementValue; /* word 94 */
u16 reserved9[30]; /* words 95-124 */
u16 ATAPIByteCount0Behavior; /* word 125 */
u16 obsolete1; /* word 126 */
u16 removableMediaStatus; /* word 127, */
u16 securityStatus; /* word 128, page7 */
u16 vendorSpecific1[31]; /* words 129-159 */
u16 reservedForCompactFlash[16]; /* words 160-175 */
u16 reserved10[79]; /* words 176-254 */
u16 integrityWord; /* word 255 */
};
/**
* struct ata_extended_smart_self_test_log - The following structure depicts
* the ATA-8 version of the Extended SMART self test log page descriptor
* entry.
*
*
*/
union ata_descriptor_entry {
struct DESCRIPTOR_ENTRY {
u8 lba_field;
u8 status_byte;
u8 time_stamp_low;
u8 time_stamp_high;
u8 checkpoint_byte;
u8 failing_lba_low;
u8 failing_lba_mid;
u8 failing_lba_high;
u8 failing_lba_low_ext;
u8 failing_lba_mid_ext;
u8 failing_lba_high_ext;
u8 vendor_specific1;
u8 vendor_specific2;
u8 vendor_specific3;
u8 vendor_specific4;
u8 vendor_specific5;
u8 vendor_specific6;
u8 vendor_specific7;
u8 vendor_specific8;
u8 vendor_specific9;
u8 vendor_specific10;
u8 vendor_specific11;
u8 vendor_specific12;
u8 vendor_specific13;
u8 vendor_specific14;
u8 vendor_specific15;
} DESCRIPTOR_ENTRY;
u8 descriptor_entry[26];
};
/**
* struct ata_extended_smart_self_test_log - The following structure depicts
* the ATA-8 version of the SMART self test log page descriptor entry.
*
*
*/
union ata_smart_descriptor_entry {
struct SMART_DESCRIPTOR_ENTRY {
u8 lba_field;
u8 status_byte;
u8 time_stamp_low;
u8 time_stamp_high;
u8 checkpoint_byte;
u8 failing_lba_low;
u8 failing_lba_mid;
u8 failing_lba_high;
u8 failing_lba_low_ext;
u8 vendor_specific1;
u8 vendor_specific2;
u8 vendor_specific3;
u8 vendor_specific4;
u8 vendor_specific5;
u8 vendor_specific6;
u8 vendor_specific7;
u8 vendor_specific8;
u8 vendor_specific9;
u8 vendor_specific10;
u8 vendor_specific11;
u8 vendor_specific12;
u8 vendor_specific13;
u8 vendor_specific14;
u8 vendor_specific15;
} SMART_DESCRIPTOR_ENTRY;
u8 smart_descriptor_entry[24];
};
/**
* struct ata_extended_smart_self_test_log - The following structure depicts
* the ATA-8 version of the Extended SMART self test log page.
*
*
*/
struct ata_extended_smart_self_test_log {
u8 self_test_log_data_structure_revision_number; /* byte 0 */
u8 reserved0; /* byte 1 */
u8 self_test_descriptor_index[2]; /* byte 2-3 */
union ata_descriptor_entry descriptor_entrys[19]; /* bytes 4-497 */
u8 vendor_specific[2]; /* byte 498-499 */
u8 reserved1[11]; /* byte 500-510 */
u8 data_structure_checksum; /* byte 511 */
};
/**
* struct ata_extended_smart_self_test_log - The following structure depicts
* the ATA-8 version of the SMART self test log page.
*
*
*/
struct ata_smart_self_test_log {
u8 self_test_log_data_structure_revision_number[2]; /* bytes 0-1 */
union ata_smart_descriptor_entry descriptor_entrys[21]; /* bytes 2-505 */
u8 vendor_specific[2]; /* byte 506-507 */
u8 self_test_index; /* byte 508 */
u8 reserved1[2]; /* byte 509-510 */
u8 data_structure_checksum; /* byte 511 */
};
#endif /* _ATA_H_ */
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