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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
the fields shown in
and described in
. For additional programming information, see
.
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.
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.
request.
1
The TXU received an ERROR response to a message logical layer request. To
clear this bit, write 0 to it.
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.
segment.
1
The RXU received a message data payload with an invalid size or segment. To
clear this bit, write 0 to it.
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.
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.
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.
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.
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