nvmf_proto.h: NVMe over Fabrics protocol definitions

[jhb]

Summary

This is a copy of spdk/include/spdk/nvmf_spec.h as of commit
470e851852bb948334a272c9f8de495020fa082f from Intel's SPDK.
Subsequent commits will modify it to be suitable header for the
kernel, but importing the stock file first makes it easier to see
how the resulting header is derived from the original.

Obtained from: SPDK (https://github.com/spdk/spdk.git)
Sponsored by: Chelsio Communications

[jhb]

I don't foresee pulling in future updates from SPDK so don't think this should belong in contrib from a vendor branch, etc. However, seeing the stock file first is helpful I think.

[imp]

minor nits and a question.

sys/dev/nvmf/nvmf_proto.h

2

Putting the SPDX on a new line would be more in keeping with our style.

20

This is a mismatch with the tree. Is that this is how SPDK managed this?

722

Doesn't match top of file.

[jhb]

To be clear, this is the stock file from SPDK without any changes.