prov/efa: Introduce user recv QP feature and RDM v4 protocol bump

ofiwg / libfabric

Open Fabric Interfaces

http://libfabric.org/

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Closed shijin-aws closed 3 months ago

shijin-aws commented 3 months ago

This PR contains a series of commits that introduce the user recv QP feature used for zero copy receive. See the updated RDM v4 protocol for details.

It worth noticing that this PR doesn't really use this feature for zero-copy recv, which will be done in follow up PRs

shijin-aws commented 3 months ago

Thanks for reviewing the document, updated