Introduction
HyperTransport defines six types of errors, and three basic ways they may be reported to the system.
Types Of Errors
The error types which may be detected, logged, and reported are:
CRC (Cycle Redundancy Code) Errors
Protocol Errors
Receive Buffer Overflow Errors
End Of Chain Errors
Chain Down Errors
Response Errors
Reporting Methods
Once an error is detected, it can be conveyed to other devices in the system in the following ways:
Error Responses
Error Interrupts (fatal and non-fatal)
Sync Flooding
The Role Of PCI Configuration Space
The PCI Configuration Space required of each HyperTransport device performs several roles in error handling. The Command and Status registers in the header and the Link Error and Error Handling registers in ...
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