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3Logical/TransportErrorHandlingandLogging
Logical/TransportErrorHandlingandLogging
Errormanagementregistersallowdetectionandloggingoflogical/transportlayererrors.Thedetectable
errorsarecapturedinthelogicallayererrordetectCSR(seeFigure44).Table34namesthefunctional
block(s)involvedforeachdetectableerrorcondition,andincludesbriefdescriptionsoftheerrorscaptured.
Figure44.Logical/TransportLayerErrorDetectCSR(ERR_DET)
3130292827262524
IO_ERR_MSG_ERR_ERR_MSG_ILL_TRANS_MSG_REQ_PKT_RSPNS_
ReservedReserved
RSPNSRSPNSFORMATDECODETIMEOUTTIMEOUT
R/W-0R/W-0R-0R/W-0R/W-0R-0R/W-0R/W-0
232221
UNSOLICITED_UNSUPPORTED_
Reserved
RSPNSTRANS
R/W-0R/W-0R-0
8
Reserved
R-0
7650
RX_CPPI_RX_IO_DMA_
Reserved
SECURITYACCESS
R/W-0R/W-0R-0
LEGEND:R=Read;W=Write;-n=Valueafterreset
Table34.Logical/TransportLayerErrorDetectCSR(ERR_DET)FieldDescriptions
BitFieldValueDescription
31IO_ERR_RSPNSIOerrorresponse(endpointdeviceonly)
0AnLSUdidnotreceiveanERRORresponsetoanIOlogicallayerrequest.
1AnLSUreceivedanERRORresponsetoanIOlogicallayerrequest.Toclear
thisbit,write0toit.
30MSG_ERR_RSPNSMessageerrorresponse(endpointdeviceonly)
0TheTXUdidnotreceiveanERRORresponsetoamessagelogicallayer
request.
1TheTXUreceivedanERRORresponsetoamessagelogicallayerrequest.To
clearthisbit,write0toit.
29Reserved0Thisread-onlybitreturns0whenread.
28ERR_MSG_FORMATErrorinmessageformat(endpointdeviceonly)
0TheRXUdidnotreceiveamessagedatapayloadwithaninvalidsizeor
segment.
1TheRXUreceivedamessagedatapayloadwithaninvalidsizeorsegment.To
clearthisbit,write0toit.
27ILL_TRANS_DECODEIllegaltransactiondecode(switchorendpointdevice)
ForanLSUortheTXU:
0TheLSU/TXUdidnotreceiveillegalfieldsintheresponsepacketforan
IO/messagetransaction.
1TheLSU/TXUreceivedillegalfieldsintheresponsepacketforanIO/message
transaction.Toclearthisbit,write0toit.
FortheMAUortheRXU:
0TheMAU/RXUdidnotreceiveillegalfieldsintherequestpacketforan
IO/messagetransaction.
1TheMAU/RXUreceivedillegalfieldsintherequestpacketforanIO/message
transaction.Toclearthisbit,write0toit.
26Reserved0Thisread-onlybitreturns0whenread.
SPRUE13A–September2006SerialRapidIO(SRIO)83
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