InfiniBand Network Architecture

Chapter 14. Asynchronous Events and Errors

The Previous Chapter

The previous chapter provided a detailed description of how Work Requests (WRs) are posted to a QP's SQ or RQ, as well as a detailed description of the WR content. This chapter described the ordering rules that govern:

• WQE execution order.

• WQE completion order.

• RD RQ WQE completion order. The reason why RD RQ WQEs can complete out of order is described.

• RDMA Read relaxed ordering rules.

This chapter provided a detailed description of the verbs used to create a CQ, resize it, obtain its current operational characteristics, and destroy it. It also covered:

• The completion event handler.

• The Set Completion Event Handler verb.

• The Poll for Completion verb.

• The Request for Completion Notification ...