Abnormal Configuration Transaction Termination Responses - 3.0 English

AXI Bridge for PCI Express Gen3 Subsystem Product Guide (PG194)

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3.0 English

Responses 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 Completion timeout. For PCIe Configuration Read/Write request, an OKAY response and 0s data are given on the AXI4 memory mapped bus.
Config Write Bus number in the range of secondary bus number through subordinate bus number and UR is returned. SLVERR response is asserted.