Re: [PATCH rdma-next 00/13] Add RDMA inline crypto support

quoted

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Today, if one would like to run both features using a capable device 
then
the PI will be offloaded (no SW fallback) and the Encryption will be 
using
SW fallback.

It's not just running both - it's offering both as currently registering
these fatures is mutally incompatible.

For sure we would like to offer both, but as mentioned before, this will 
require blk layer instrumentation and ib_core instrumentation to some 
pipeline_mr or something like that.

Can you explain what is needed in the block layer that prevents queueing
a request that has PI and crypto ctx?

As for the rdma portion, I don't know enough if this is something
that is supported by the HW and lacks a SW interface, or inherently
unsupported in HW...