Specifications

4
Changing Shelf Settings Using HPI
77
HPI parameter control
Theshelfresources,alongwithallintelligentFRUresourcesandslotresources,supportthe
parametercontrolfeature.TheseresourceshavetheSAHPI_CAPABILITY_CONFIGURATIONbit
setintheResourceCapabilitymaskoftheirresourcepresencetable(RPT)entry.
TherearethreebasicsaHpiParmControl()actions:
Note:IfthesavedconfigurationfileisfoundduringsystemstartuporduringFRUinsertion
(whentheresourcefortheFRUisbeingcreated),theactiveHPIserverwillloaditand
initializetheresourcetothecustomstate.
SeetheconfigurationsectionoftheSAFHPISpecificationfordetailsonsaHpiParmControl().
Data saved as configuration parameters
Thefollowingdataisstoredasconfigurationparametersforallresourcessupportingthe
parametercontrolcapability:
0–SAHPI_DEFAULT_PARM Loadsthedefa ultsettingsforaresourceandrestoresitto
factorystate.UsethisoptiontoresettheFRUassociatedwith
theresourcetothefactorydefaultstate.
1–SAHPI_SA VE_PARM Savesthecurrentconfigurationstateoftheresourceand
updatestheconfigurationfile.UsethisoptioniftheFRU
associatedwiththeresourceneedstoretainthecurrent
statefollowingapowercycle,reactivationorre‐insertionin
thesameslot.
2–SAHPI_RESTORE_PARM Loadstheconfigurationfilesavedbyanearlier
SAHPI_SAVE_PARMoperationandrestorestheFRU
associatedwiththeresourcetothecustomstate.
Table 7. Data stored as configuration parameters
All Resources Each Sensor Each Control
• Resource ID
• Resource manufacturer ID
• Resource product ID
• Resource tag
• Resource severity
• Resource auto-extract timer
(if configurable)
• Sensor number
• Thresholds and hysteresis
(if supported)
• Enable state (if configurable)
• Event enable state (if configurable)
• Event assert and deassert masks (if
configurable)
• Control number
• Control mode
• Control type
• Control state
(if control is not ReadOnly)