Specifications

Changing Shelf Settings Using HPI

Saving a configuration file to store custom settings for a resource

Afteraresourcehasbeenconfiguredtoadesiredoperationalstate,itisagoodideatosave

theconfigurationsoitcanbeloadedwhenevertheFRUisre‐introducedintheshelfinthe

sameslot.Ifyouneedtorestorethestateoftheresourcelater,youcanloadthesaved

configurationusingtheparametercontrolactionSAHPI_RESTORE_PARM.

Tocreateasavedconfigurationfileforaresource,usethesaHpiParmControl()functionwith:

ResourceId=ResourceIdoftheresource

ParmAction=SAHPI_SAVE_PARM

Iftheparametercontroloperationsucceeds,thesavedconfigurationfileforthere sourcewill

havebeenupdatedin/tmp/shmgr/hpi.

Using a resource’s configuration file for another resource of the same kind

Tousearesource’ssavedconfigurationfi leforanotherresourceofthesamekind,renamethe

configurationfileforthealternateresource.Theexamplebelowillustratesthisprocedureas

appliedtotwoCPMs,butyoucanusethesameproceduretocreateduplicateconfiguration

filesforanyoftheslotresources,theSCMs,theSPMs,orthenodemodules.

Example:

ThisexampleassumesyouwanttousethesameconfigurationsettingsontwoCompute

ProcessingModules(CPMs)intheshelfwiththefollowingResourceIdvalues:

Slot4–ResourceId0x4008E

Slot11–ResourceId0xB0090

1. Configureeitheroneoftheresources,inthiscasetheCPMinslot4(ResourceId0x4008E),

toadesired state.

2. SavetheconfigurationusingtheSAHPI_SAVE_PARMoperationdescribedinSavinga

configurationfiletostorecustomsettingsforaresource(above).

Thiscreatestheconfigurationfile0004008E.hcf.savedin/tmp/shmgr/hpi forthe

CPM

resource0x4008E.(0x0004008Eistheslot4CPM’sResourceIdin4‐bytehexadecimal

format.)

3. Copythe0004008E.hcf.savedconfigurationfileto000B0090.hcf.saved(0x000B0090isthe

ResourceIdfortheslot11CPMin4‐bytehexadecimalformat).Thisnewfileisnowusable

asthesavedconfigurationfilefortheCPMresource

0xB0090inslot11.

4. ThesaHpiParmControl()functioncannowbeusedtoloadthesavedconfigurationtothe

CPMinslot11usingthesevalues:

ResourceId=0xB0090

ParmAction=SAHPI_RESTORE_PARM