Libor> Roland, As it currently stands, the userspace CM needs to
Libor> pass a QP from userspace to kernel space in order to pass
Libor> it on to the kernel CM. I'm thinking that the best way to
Libor> handle this is for the uCM library to pass uCM kernel the
Libor> uverbs QP handle, and then have the kernel uCM lookup the
Libor> QP from ib_uverbs. Unfortunetly this means ib_uverbs would
Libor> need to export a lookup function.
Libor> Would you like a patch, or do you have some other idea?
Hmm, I guess that would be OK. It does mean you have to hold a mutex
to avoid another userspace thread killing the QP out from under you,
which is a little ugly to expose...
What do you really need to do with the QP? Can you just have
userspace pass the information like QP number that you need?
- R.
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