Datasheet

Contents
C141-C008 ix
1.9.4.2 FCP response information .................................................................1-95
1.9.4.3 FCP sense information ......................................................................1-96
1.10 Errors on Loop (Refer to FC-PH , Section 29.9)..................................1-97
1.11 Enclosure Service Interface (ESI)........................................................1-99
1.11.1 Data transfer protocol........................................................................1-99
1.11.2 Enclosure discovery phase ..............................................................1-101
1.11.3 COMMAND phase..........................................................................1-102
1.11.4 READ/WRITE phase.......................................................................1-103
1.11.5 SES sense codes...............................................................................1-104
1.11.6 Enclosure Initiated ESI transfer ......................................................1-104
1.11.6.1 EIE discovery................................................................................1-104
1.11.6.2 EIE operations...............................................................................1-106
1.11.6.3 Enclosure requested information ..................................................1-107
1.12 Public Loop ........................................................................................1-117
1.13 Dual Loop...........................................................................................1-118
CHAPTER 2 Command Processing .............................................................2-1
2.1 Command Format.....................................................................................2-1
2.2 Status Byte................................................................................................2-6
2.3 Outline of Command Processing..............................................................2-8
2.3.1 Single commands.................................................................................2-8
2.3.2 Command link ...................................................................................2-15
2.4 Command Queuing Function .................................................................2-16
2.4.1 Untagged queuing..............................................................................2-16
2.4.2 Tagged queuing ................................................................................2-17
2.5 UNIT ATTENTION Condition..............................................................2-19
2.5.1 Generation of the UNIT ATTENTION condition.............................2-19
2.5.2 Response and release condition at UNIT ATTENTION
condition hold state............................................................................2-20
2.5.3 UNIT ATTENTION condition multiple hold ...................................2-21