ANSI INCITS 402 : 2005

Foreword
Introduction
1 Scope
  1.1 Introduction
  1.2 Requirements precedence
  1.3 SCSI standards family
2 Normative references
  2.1 Normative references
  2.2 Approved references
  2.3 References under development
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 domain
  4.6 The service delivery subsystem
  4.7 SCSI devices
  4.8 Logical units
  4.9 Logical unit numbers
  4.10 Well known logical units
  4.11 Tasks and task tags
  4.12 The nexus object
  4.13 SCSI ports
  4.14 Model for dependent logical units
  4.15 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 Task and command lifetimes
  5.6 Task management function lifetime
  5.7 Aborting tasks
  5.8 Command processing examples
  5.9 Command processing considerations and exception
       conditions
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 Introduction
  7.2 ABORT TASK
  7.3 ABORT TASK SET
  7.4 CLEAR ACA
  7.5 CLEAR TASK SET
  7.6 LOGICAL UNIT RESET
  7.7 QUERY TASK
  7.8 Task management SCSI transport protocol services
  7.9 Task management function example
8 Task set management
  8.1 Introduction to task set management
  8.2 Implicit head of queue
  8.3 Task management models
  8.4 Task management events
  8.5 Task states
  8.6 Task attributes
  8.7 Task priority
  8.8 Task state transitions
  8.9 Task set management examples
Annexes
  A Identifiers and names for objects
  B Terminology mapping
Tables
Figures

Describes the common behaviors for SCSI devices, and an abstract structure that is generic to all SCSI I/O system implementations.