SCSI Primary Commands - 2.pdf

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T10/1236-D Revision 20 18 July 2001If the STANDBY bit is one and the IDLE bit is one, a value of zero in the standby condition timer indicates the logicalunit shall enter the standby condition when the idle condition timer equals zero.Figure 3 shows graphically the relationships between the different power conditions and their timers.YesIDLEBit = 1NoNoidleconditiontimer = 0YesEnter idle conditionYesSTANDBYBit = 1NoNostandbyconditiontimer = 0YesEnter standby condition8.3.10 Protocol specific LUN pageFigure 3 — Power conditions flowchartThe protocol specific LUN page (see table 164) provides protocol specific controls that are associated with a logicalunit. See the protocol standard (see 3.1.41) for definition of the protocol specific mode parameters.Table 164 — Protocol specific LUN pageBitByte7 6 5 4 3 2 1 00 PS Reserved PAGE CODE (18h)1 PAGE LENGTH (n-1)2 Reserved PROTOCOL IDENTIFIER3nProtocol specific mode parameters206 dpANS SCSI Primary Commands - 2 (SPC-2)
18 July 2001 T10/1236-D Revision 20The PROTOCOL IDENTIFIER field indicates the protocol to which the page applies. For MODE SENSE commands,the device server shall set the PROTOCOL IDENTIFIER field to one of the values shown in table 165 to indicate theprotocol used by its service delivery subsystem. For MODE SELECT commands, the application client shall setthe PROTOCOL IDENTIFIER field to one of the values shown in table 165 indicating the protocol to which the protocolspecific mode parameters apply. If a device server receives a page containing a protocol identifier value other thanthe one used by its service delivery subsystem, it shall terminate the command with a CHECK CONDITION status.The sense key shall be set to ILLEGAL REQUEST and the additional sense code shall be set to INVALID FIELD INPARAMETER LIST.8.3.11 Protocol specific port pageTable 165 — PROTOCOL IDENTIFIER valuesProtocol Identifier Description0 Fibre Channel (FCP-n)1 Parallel SCSI (SPI-n)2 SSA (SSA-S2P or SSA-S3P)3 IEEE 1394 (SBP-2)4 SRP5 iSCSI7 - 15 ReservedThe protocol specific port page (see table 166) provides protocol specific controls that are associated with a port.See the protocol standard (see 3.1.41) for definition of the protocol specific mode parameters.Table 166 — Protocol specific port pageBitByte7 6 5 4 3 2 1 00 PS Reserved PAGE CODE (19h)1 PAGE LENGTH (n-1)2 Reserved PROTOCOL IDENTIFIER3nProtocol specific mode parametersThe PROTOCOL IDENTIFIER field indicates the protocol to which the page applies. For MODE SENSE commands,the device server shall set the PROTOCOL IDENTIFIER field to one of the values shown in table 165 to indicate theprotocol used by its service delivery subsystem. For MODE SELECT commands, the application client shall setthe PROTOCOL IDENTIFIER field to one of the values shown in table 165 indicating the protocol to which the protocolspecific mode parameters apply. If a device server receives a page containing a protocol identifier value other thanthe one used by its service delivery subsystem, it shall terminate the command with a CHECK CONDITION status.The sense key shall be set to ILLEGAL REQUEST and the additional sense code shall be set to INVALID FIELD INPARAMETER LIST.dpANS SCSI Primary Commands - 2 (SPC-2) 207
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