[openib-general] [RFC] userspace CM/verbs QP

Hefty, Sean sean.hefty at intel.com
Thu Mar 3 16:39:02 PST 2005


>  As it currently stands, the userspace CM needs to pass a QP from
>userspace to kernel space in order to pass it on to the kernel CM.
>I'm thinking that the best way to handle this is for the uCM library
>to pass uCM kernel the uverbs QP handle, and then have the kernel
>uCM lookup the QP from ib_uverbs. Unfortunetly this means ib_uverbs
>would need to export a lookup function.
>
>  Would you like a patch, or do you have some other idea?

As an FYI, the kernel CM uses the QP to get the QP number, QP type, if
it uses a SRQ, and which device the QP is located on.

- Sean



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