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cxgbe(4): make it safe to call setup_memwin repeatedly.

Description

cxgbe(4): make it safe to call setup_memwin repeatedly.

A repeat call will recreate the memory windows in the hardware and move
them to their last-known positions without repeating any of the software
initialization.

MFC after: 1 week
Sponsored by: Chelsio Communications

Details

Provenance
npAuthored on Mar 19 2021, 7:30 PM
Parents
R10:ee231b27fff9: Also skip sys/net/if_lagg_test:witness on non-i386
Branches
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