[openib-general] [PATCH][UVERBS][RFC] Exporting device node_type to user mode
Roland Dreier
rdreier at cisco.com
Thu Apr 20 14:13:00 PDT 2006
Tom> In order to support transport independent behavior for
Tom> user-mode RDMA CMA clients we need to export the node_type to
Tom> the user mode device attributes structure. The reason for
Tom> this is that the user-mode CMA needs to behave differently
Tom> for iWARP vs. IB transports when migrating QP state at
Tom> connection setup and tear down.
Adding node_type to the libibverbs API is OK (for the 1.1 release
series...), but I think it would be better to read the existing
/sys/class/infiniband/<xxx>/node_type field in sysfs rather than
adding it in to the query stuff.
- R.
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