Intel® Arria® 10 Hard Processor System Technical Reference Manual

ID 683711
Date 1/10/2023
Public

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8.3.4.3. Programming QoS Fixed Mode

Fixed mode is mode 0. To put the QoS generator in fixed mode, set the registers as shown in the following table.

Table 62.  QoS Generator Register Values for Fixed Mode
Register Field Value
I_main_QosGenerator_Mode MODE 0
I_main_QosGenerator_Priority P0 Urgency for write transactions (default=0)
I_main_QosGenerator_Priority P1 Urgency for read transactions (default=1)

Higher priority (urgency) values mean that a packet receives preferential treatment at each arbitration node.