Dell PowerVault TL2000 Reference Manual

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Contents

REPORT SUPPORTED OPERATION CODES (A3h)The REPORT SUPPORTED OPERATION CODES command requests information on commands theaddressed logical unit supports. An application client may request a list of all operation codes and serviceactions supported by the media changer.Bit 7 6 5 4 3 2 1 0Byte0 Operation Code (A3)1 LUN Service Action (0Ch)2 Reserved Reporting Options3 Requested Operation Code4 (MSB) Requested Service Action5 (LSB)6 (MSB)7 Allocation Length89 (LSB)10 Reserved11 ControlField descriptions:Reporting Options :The Reporting Options field specifies the information to be returned in the parameter data.Reporting Option Description000b A list of all operation codes and service actions supported by the logical unit shall be returnedin the all_commands parameter data format. The Requested Operation Code Cdb field andRequested Service Action Cdb field shall be ignored.001b The command support data for the operation code specified in the Requested Operation Codefield shall be returned in the one_command parameter data format. The Requested ServiceAction Cdb field shall be ignored. If the Requested Operation Code field specifies an operationcode that has service actions, then the command shall be terminated with CHECK CONDITIONstatus, with the sense key set to ILLEGAL REQUEST, and the additional sense code set toINVALID FIELD IN CDB.010b The command support data for the operation code and service action specified in theRequested Operation Code Cdb field and Requested Service Action Cdb field shall be returnedin the one_command parameter data format. If the Requested Operation Code Cdb fieldspecifies an operation code that does not have service actions, then the command shall beterminated with CHECK CONDITION status, with the sense key set to ILLEGAL REQUEST,and the additional sense code set to INVALID FIELD IN CDB.011b ReservedRequested Operation Code:The Requested Operation Code field specifies the operation code of the command to be returnedin the one_command parameter data format.Requested Service Action:The Requested Service Action field specifies the service action of the command to be returned inthe one_command parameter data format.Chapter 3. Supported SCSI Commands 3-67