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path: root/drivers/infiniband/hw/mlx5/ib_virt.c
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Diffstat (limited to 'drivers/infiniband/hw/mlx5/ib_virt.c')
-rw-r--r--drivers/infiniband/hw/mlx5/ib_virt.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/ib_virt.c b/drivers/infiniband/hw/mlx5/ib_virt.c
index 649a3364f838..4f0edd4832bd 100644
--- a/drivers/infiniband/hw/mlx5/ib_virt.c
+++ b/drivers/infiniband/hw/mlx5/ib_virt.c
@@ -201,3 +201,27 @@ int mlx5_ib_set_vf_guid(struct ib_device *device, int vf, u8 port,
return -EINVAL;
}
+
+int mlx5_ib_get_vf_guid(struct ib_device *device, int vf, u8 port,
+ struct ifla_vf_guid *node_guid,
+ struct ifla_vf_guid *port_guid)
+{
+ struct mlx5_ib_dev *dev = to_mdev(device);
+ struct mlx5_core_dev *mdev = dev->mdev;
+ struct mlx5_hca_vport_context *rep;
+ int err;
+
+ rep = kzalloc(sizeof(*rep), GFP_KERNEL);
+ if (!rep)
+ return -ENOMEM;
+
+ err = mlx5_query_hca_vport_context(mdev, 1, 1, vf+1, rep);
+ if (err)
+ goto ex;
+
+ port_guid->guid = rep->port_guid;
+ node_guid->guid = rep->node_guid;
+ex:
+ kfree(rep);
+ return err;
+}