Serial RapidIO (SRIO) User's Guide

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5.75 Logical/Transport Layer Error Detect CSR (ERR_DET)
SRIO Registers
This register allows for the detection of logical/transport layer errors. The detectable errors are captured in
the fields shown in Figure 138 and described in Table 151 . For additional programming information, see
Section 3 .
Figure 138. Logical/Transport Layer Error Detect CSR (ERR_DET) - Address Offset 2008h
31 30 29 28 27 26 25 24
IO_ERR_ MSG_ERR_ ERR_MSG_ ILL_TRANS_ MSG_REQ_ PKT_RSPNS_
Reserved Reserved
RSPNS RSPNS FORMAT DECODE TIMEOUT TIMEOUT
R/W-0 R/W-0 R-0 R/W-0 R/W-0 R-0 R/W-0 R/W-0
23 22 21
UNSOLICITED_ UNSUPPORTED_
Reserved
RSPNS TRANS
R/W-0 R/W-0 R-0
8
Reserved
R-0
7 6 5 0
RX_CPPI_ RX_IO_DMA_
Reserved
SECURITY ACCESS
R/W-0 R/W-0 R-0
LEGEND: R = Read; W = Write; - n = Value after reset
Table 151. Logical/Transport Layer Error Detect CSR (ERR_DET) Field Descriptions
Bit Field Value Description
31 IO_ERR_RSPNS I/O error response (endpoint device only)
0 An LSU did not receive an ERROR response to an I/O logical layer request.
1 An LSU received an ERROR response to an I/O logical layer request. To clear
this bit, write 0 to it.
30 MSG_ERR_RSPNS Message error response (endpoint device only)
0 The TXU did not receive an ERROR response to a message logical layer
request.
1 The TXU received an ERROR response to a message logical layer request. To
clear this bit, write 0 to it.
29 Reserved 0 This read-only bit returns 0 when read.
28 ERR_MSG_FORMAT Error in message format (endpoint device only)
0 The RXU did not receive a message data payload with an invalid size or
segment.
1 The RXU received a message data payload with an invalid size or segment. To
clear this bit, write 0 to it.
27 ILL_TRANS_DECODE Illegal transaction decode (switch or endpoint device)
For an LSU or the TXU:
0 The LSU/TXU did not receive illegal fields in the response packet for an
IO/message transaction.
1 The LSU/TXU received illegal fields in the response packet for an IO/message
transaction. To clear this bit, write 0 to it.
For the MAU or the RXU:
0 The MAU/RXU did not receive illegal fields in the request packet for an
IO/message transaction.
1 The MAU/RXU received illegal fields in the request packet for an IO/message
transaction. To clear this bit, write 0 to it.
26 Reserved 0 This read-only bit returns 0 when read.
210 Serial RapidIO (SRIO) SPRUE13A – September 2006
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