ANSI INCITS 447 : 2008

Foreword
Introduction
1 Scope
  1.1 Introduction
  1.2 Requirements precedence
  1.3 SCSI standards family
2 References
  2.1 Normative references
  2.2 Approved references
  2.3 References under development
  2.4 Other references
3 Definitions, symbols, abbreviations, and conventions
  3.1 Definitions
  3.2 Acronyms
  3.3 Keywords
  3.4 Editorial conventions
  3.5 Numeric conventions
  3.6 Notation conventions
4 SCSI architecture model
  4.1 Introduction
  4.2 The SCSI distributed service model
  4.3 The SCSI client-server model
  4.4 The SCSI structural model
  4.5 SCSI classes
  4.6 Logical unit number (LUN)
  4.7 Nexus
  4.8 SCSI ports
  4.9 The SCSI model for distributed communications
5 SCSI command model
  5.1 The Execute Command procedure call
  5.2 Command descriptor block (CDB)
  5.3 Status
  5.4 SCSI transport protocol services in support of
       Execute Command
  5.5 Command lifetimes
  5.6 Aborting commands
  5.7 Command processing example
  5.8 Commands that complete with CHECK CONDITION status
  5.9 Auto contingent allegiance (ACA)
  5.10 Overlapped commands
  5.11 Incorrect logical unit
  5.12 Task attribute exception conditions
  5.13 Sense data
  5.14 Unit attention condition
6 SCSI events and event notification model
  6.1 SCSI events overview
  6.2 Establishing a unit attention condition subsequent to
       detection of an event
  6.3 Conditions resulting from SCSI events
  6.4 Event notification SCSI transport protocol services
7 Task management functions
  7.1 Task management function procedure calls
  7.2 ABORT TASK
  7.3 ABORT TASK SET
  7.4 CLEAR ACA
  7.5 CLEAR TASK SET
  7.6 I_T NEXUS RESET
  7.7 LOGICAL UNIT RESET
  7.8 QUERY TASK
  7.9 QUERY TASK SET
  7.10 QUERY ASYNCHRONOUS EVENT
  7.11 Task management function lifetime
  7.12 Task management SCSI transport protocol services
  7.13 Task management function example
8 Task set management
  8.1 Introduction to task set management
  8.2 Implicit head of queue
  8.3 Command management model
  8.4 Command management events
  8.5 Command states
  8.6 Task attributes
  8.7 Command priority
  8.8 Command state transitions
  8.9 Task set management examples
Annexes
Annex A (informative) Identifiers and names for objects
      A.1 Identifiers and names overview
      A.2 Identifiers and names
      A.3 SCSI transport protocol acronyms and bibliography
Annex B (informative) SCSI Initiator Port attributes and SCSI
        Target Port attributes supported by SCSI transport protocols
Annex C (informative) Terminology mapping to previous versions
        of this standard

Describes an abstract layered model specifying those common characteristics of a SCSI domain that must be exhibited by all SCSI transport protocols, SCSI command sets, and implementations to ensure compatibility with device drivers and applications regardless of underlying interconnect technology.