WRs

WRs Posted to SQ

Purpose of a SQ WR

Software posts a WR to a QP's SQ in order to initiate a message transfer with a QP of the same type in a remote CA.

Posting a WR to the SQ

A WR is posted to the SQ by executing the Post Send Request verb call. Refer to “Content of SQ WRs” on page 262 for a description of the WR's content.

Types of SQ Operations

The types of WRs that can be posted to a QP's SQ depends on the type of QP:

  • Message Send operation. Supported on RC, RD, UC, UD, and Raw QPs.

  • RDMA Write operation. Supported on UC, RC, and RD QPs.

  • RDMA Read operation. Supported on RD and RC QPs.

  • Atomic operations. Supported on RD and RC QPs.

  • Memory Window Bind operation. Supported on RC, UC, and RD QPs.

Resync operation is atypical. Supported on ...

Get InfiniBand Network Architecture now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.

Start your free trial