18c2ecf20Sopenharmony_ciWhat: 		/config/rdma_cm
28c2ecf20Sopenharmony_ciDate: 		November 29, 2015
38c2ecf20Sopenharmony_ciKernelVersion:  4.4.0
48c2ecf20Sopenharmony_ciDescription: 	Interface is used to configure RDMA-cable HCAs in respect to
58c2ecf20Sopenharmony_ci		RDMA-CM attributes.
68c2ecf20Sopenharmony_ci
78c2ecf20Sopenharmony_ci		Attributes are visible only when configfs is mounted. To mount
88c2ecf20Sopenharmony_ci		configfs in /config directory use:
98c2ecf20Sopenharmony_ci		# mount -t configfs none /config/
108c2ecf20Sopenharmony_ci
118c2ecf20Sopenharmony_ci		In order to set parameters related to a specific HCA, a directory
128c2ecf20Sopenharmony_ci		for this HCA has to be created:
138c2ecf20Sopenharmony_ci		mkdir -p /config/rdma_cm/<hca>
148c2ecf20Sopenharmony_ci
158c2ecf20Sopenharmony_ci
168c2ecf20Sopenharmony_ciWhat: 		/config/rdma_cm/<hca>/ports/<port-num>/default_roce_mode
178c2ecf20Sopenharmony_ciDate: 		November 29, 2015
188c2ecf20Sopenharmony_ciKernelVersion:  4.4.0
198c2ecf20Sopenharmony_ciDescription: 	RDMA-CM based connections from HCA <hca> at port <port-num>
208c2ecf20Sopenharmony_ci		will be initiated with this RoCE type as default.
218c2ecf20Sopenharmony_ci		The possible RoCE types are either "IB/RoCE v1" or "RoCE v2".
228c2ecf20Sopenharmony_ci		This parameter has RW access.
238c2ecf20Sopenharmony_ci
248c2ecf20Sopenharmony_ciWhat: 		/config/rdma_cm/<hca>/ports/<port-num>/default_roce_tos
258c2ecf20Sopenharmony_ciDate: 		February 7, 2017
268c2ecf20Sopenharmony_ciKernelVersion:  4.11.0
278c2ecf20Sopenharmony_ciDescription: 	RDMA-CM QPs from HCA <hca> at port <port-num>
288c2ecf20Sopenharmony_ci		will be created with this TOS as default.
298c2ecf20Sopenharmony_ci		This can be overridden by using the rdma_set_option API.
308c2ecf20Sopenharmony_ci		The possible RoCE TOS values are 0-255.
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