Hal> Can you explain why using bus_to_virt() is broken ?
See Documentation/DMA-mapping.txt:
"It is planned to completely remove virt_to_bus() and bus_to_virt() as
they are entirely deprecated. Some ports already do not provide these
as it is impossible to correctly support them."
(for example ppc64 does not have bus_to_virt).
Hal> The tid of a requests is needed so responses can be matched.
Hal> One way around this would be to pass the TID as a separate
Hal> parameter in the ib_post_send_mad call. Maybe there are other
Hal> less brute force ways.
I don't see a way around adding a TID parameter to ib_post_send_mad or
adding a TID member to the ib_send_wr.wr.ud union.
- R.
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