23 May 2010 T10/2126-D Revision 00
Working Draft SCSI / ATA Translation - 3 (SAT-3) v
Contents
Page
1 Scope ............................................................................................................................................................ 1
2 Normative References .................................................................................................................................. 4
2.1 Normative references ............................................................................................................................. 4
2.2 Approved references .............................................................................................................................. 4
2.3 References under development ............................................................................................................. 4
2.4 Other references .................................................................................................................................... 4
3 Definitions, symbols, abbreviations, and conventions ................................................................................... 5
3.1 Definitions .............................................................................................................................................. 5
3.2 Symbols and abbreviations .................................................................................................................. 10
3.3 Keywords ............................................................................................................................................. 11
3.4 SAT specific terminology ...................................................................................................................... 11
3.5 Conventions ......................................................................................................................................... 11
3.5.1 Overview ....................................................................................................................................... 11
3.5.2 Numeric conventions ..................................................................................................................... 12
3.5.3 Bit and byte ordering ..................................................................................................................... 12
3.5.4 Notation for byte encoded character strings .................................................................................. 14
3.5.5 Notation for command descriptions ............................................................................................... 14
3.5.5.1 Description .............................................................................................................................. 14
3.5.6 Use of field names defined in ATA standards and specifications .................................................. 15
4 General ....................................................................................................................................................... 16
5 SCSI architecture ........................................................................................................................................ 17
5.1 Overview .............................................................................................................................................. 17
5.2 Multi-Initiator Configurations ................................................................................................................. 18
5.3 Unit attention condition ......................................................................................................................... 19
5.4 Handling errors in ATA commands ....................................................................................................... 19
5.5 ATA nexus loss .................................................................................................................................... 19
5.6 ATA hardware and software reset processing ..................................................................................... 20
5.7 Translation of Large Physical Sectors .................................................................................................. 20
6 Command management model ................................................................................................................... 25
6.1 Overview .............................................................................................................................................. 25
6.2 Multiple command processing .............................................................................................................. 26
6.2.1 Comparison of SCSI task set management and ATA queuing ..................................................... 26
6.2.2 Command mapping overview ........................................................................................................ 27
6.2.3 Mapping of SCSI commands to ATA queued commands ............................................................. 27
6.2.4 Commands the SATL queues internally ........................................................................................ 27
6.2.5 Command queuing with multiple I_T nexuses ............................................................................... 27
6.2.6 Collateral abort with queued commands ....................................................................................... 28
6.3 Command priority ................................................................................................................................. 28
6.4 Task management functions ................................................................................................................ 29
6.4.1 Task management functions overview .......................................................................................... 29
6.4.2 Aborting ATA queued commands ................................................................................................. 29
6.4.3 Aborting ATA non-queued commands .......................................................................................... 29
6.4.4 ABORT TASK ..............................................................................................................
.................. 29
6.4.5 ABORT TASK SET ........................................................................................................................ 30
6.4.6 CLEAR ACA .................................................................................................................................. 30
6.4.7 CLEAR TASK SET ........................................................................................................................ 30
6.4.8 I_T NEXUS RESET ....................................................................................................................... 31
6.4.9 LOGICAL UNIT RESET ................................................................................................................ 31
6.4.10 QUERY TASK ............................................................................................................................. 32
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