Abnormal Configuration Transaction Termination Responses - 1.0 English

Versal ACAP DMA and Bridge Subsystem for PCI Express Product Guide (PG344)
Document ID
PG344
Release Date
2022-05-20
Version
1.0 English

Responses on AXI4-Lite to abnormal terminations to configuration transactions are shown in the following table.

Table 1. Responses of Bridge to Abnormal Configuration Terminations
Transfer Type Abnormal Condition Bridge Response
Config Read or Write Bus number not in the range of primary bus number through subordinate bus number. SLVERR response is asserted.
Config Read or Write Valid bus number and completion timeout occurs. SLVERR response is asserted.
Config Read or Write Completion timeout. SLVERR response is asserted.
Config Write Bus number in the range of secondary bus number through subordinate bus number and UR is returned. SLVERR response is asserted.