IB/hns: Add & initialize "node_guid" parameter for RDMA CM
According to the Infiniband spec, NodeGUID uniquely identifies a node. This must be initialized to some unique value. This patch adds the support to the HNS RoCE driver to fetch the NodeGUID value from DT or ACPI and then use this value to initialize the node_guid parameter of IB device. This value shall be used by RDMA CM. Signed-off-by:Lijun Ou <oulijun@huawei.com> Reviewed-by:
Wei Hu <xavier.huwei@huawei.com> Signed-off-by:
Salil Mehta <salil.mehta@huawei.com> Signed-off-by:
Doug Ledford <dledford@redhat.com>
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