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SCSI Commands Reference Manual
Parallel SCSI Fibre Channel (FC) Serial Attached SCSI (SAS)

Rev. A

SCSI Commands Reference Manual
Parallel SCSI Fibre Channel (FC) Serial Attached SCSI (SAS)

Rev. A

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SCSI Commands Reference Manual, Rev. A

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SCSI Commands Reference Manual, Rev. A

Table of Contents
Table of Contents .............................................................................................................................. v List ofTables .................................................................................................................................... xi 1.0 Definitions, symbols, abbreviations, keywords, and conventions .............................................. 1 1.1 1.2 1.3 1.4 2.1 Definitions.................................................................................................................................... 2 Symbols and abbreviations ........................................................................................................ 12 Keywords ................................................................................................................................... 14 Conventions............................................................................................................................... 15

2.0 General Concepts ........................................................................................................................... 17 Command Descriptor Block (CDB) ............................................................................................ 18 2.1.1 CDB usage and structure............................................................................................... 18 2.1.2 The fixed length CDB formats ......................................................................................... 18 2.1.3 The variable length CDB formats .................................................................................... 22 2.2 Common CDB fields.................................................................................................................. 24 2.2.1 Operation Code .............................................................................................................. 24 2.2.2 Service action ................................................................................................................. 24 2.2.3 Logical block address..................................................................................................... 24 2.2.4 Transfer length ................................................................................................................ 25 2.2.5 Parameter list length ....................................................................................................... 25 2.2.6 Allocation length............................................................................................................. 25 2.2.7 Control ............................................................................................................................ 26 2.2.8 Grouping function ........................................................................................................... 27 2.3 Parameter rounding...