SCSI Commands: 22BMODE SELECT Page 933.10.10Protocol-Specific Logical Unit Mode Page (18h)The Protocol-Specific Logical Unit mode page is implemented for Fibre Channel andSAS drives. The implementation differs according to the protocol.3.10.10.1 Fibre Channel Logical Unit Mode Page (18h)The Fibre Channel Logical Unit mode page contains those parameters that select FCPlogical unit operation options, which only includes the enabling and disabling of precisedelivery checking.ByteBits7 6 5 4 3 2 1 00 PS SPF (0) Page Code (18h)1 Page Length 06h)2 Reserved Protocol Identifier (FCP = 0h)3 Reserved EPDC4 Reserved5 Reserved6 Reserved7 Reserved3.10.10.1.1 Fibre Channel Logical Unit Page Field DescriptionsField Bytes Bits DescriptionPage Code 0 0-5 18h, indicating the Fibre Channel Logical Unit Control Mode Page.PageLength1 06h, indicating that six parameter bytes follow the Page Lengthbyte.ProtocolIdentifier2 0-3 0 = Fibre Channel Protocol for SCSI (FCP)EPDC 3 0 0 = Disable Precise Delivery Checking1 = Enable Precise Delivery CheckingReserved All reserved bits must be 0.3.10.10.2 SAS Logical Unit Mode Page (18h)The SAS Logical Unit mode page The Protocol-Specific Logical Unit mode page (seeSPC-3) contains parameters that affect SSP target port operation on behalf of thelogical unit.ByteBits7 6 5 4 3 2 1 00 PS SPF (0) Page Code (18h)1 Page Length 06h)2 Reserved TransportLayerRetriesProtocol Identifier (SAS = 6h)3 Reserved47 Reserved
