Error signaling messages – Altera Stratix V Avalon-ST User Manual
Page 186
Error Signaling Messages
Table 11-3: Error Signaling Messages
Message
Root
Port
Endpoin
t
Generated by
Comments
App
Layer
Core
Core (with
App Layer
input)
ERR_
COR
RX
TX
No
Yes
No
In addition to detecting errors, a Root
Port also gathers and manages errors sent
by downstream components through the
ERR_COR, ERR_NONFATAL, AND
ERR_FATAL Error Messages. In Root
Port mode, there are two mechanisms to
report an error event to the Application
Layer:
•
serr_out
output signal. When set,
indicates to the Application Layer that
an error has been logged in the AER
capability structure
•
aer_msi_num
input signal. When the
Implement advanced error reporting
option is turned on, you can set
aer_
msi_num
to indicate which MSI is
being sent to the root complex when
an error is logged in the AER
Capability structure.
ERR_
NONFAT
AL
RX
TX
No
Yes
No
—
ERR_
FATAL
RX
TX
No
Yes
No
—
UG-01097_avst
2014.08.18
Error Signaling Messages
11-3
Transaction Layer Protocol (TLP) Details
Altera Corporation