ANSI INCITS 232 : 1996

Foreword
Introduction
1 Scope
2 Normative references
3 Definitions and conventions
   3.1 Definitions
   3.2 Conventions
4 Conformance
5 General description
   5.1 Environment
   5.2 Peripheral driver functions
   5.3 XPT functions
   5.4 SIM functions
6 Background
   6.1 Software
   6.2 CAM (Common Access Method)
   6.3 OSD (Operating System Dependencies)
   6.4 Architectural considerations
7 Principles of operation
   7.1 Accessing the XPT
   7.2 Initialization
   7.3 CCB completion
   7.4 SCSI request queues
   7.5 SIM handling of SCSI resets
   7.6 Asynchronous event callback
   7.7 Autosense
   7.8 Loadable modules
8 OSD (operating system dependent) operation
   8.1 UNIVOS operating system
   8.2 LANOS
   8.3 DOS (disk operating system)
9 CAM control blocks
   9.1 CCB header fields
   9.2 Function codes
   9.3 SCSI control functions
10 CAM control block to request I/O
   10.1 Field descriptions for CAM control blocks to request I/O
   10.2 Execute SCSI I/O
   10.3 Command linking (optional)
11 Target mode (optional)
   11.1 Target mode overview
   11.2 Phase-cognizant mode
   11.3 Host target mode
12 HBA engines
   12.1 Engine inquiry
   12.2 Execute engine (optional)
Annexes
A Physical/logical translation in 80 x 88 environment
B Target peripheral driver example
C UNIVOS OSD data structures

Specifies the Common Access Method (CAM) for SCSI (Small Computer Systems Interface). The purpose is to to specify a common procedure whereby multiple environments adopt a method for the support of SCSI devices.