ib_alloc_pd
device->pd = ib_alloc_pd(device->ib_device, IB_PD_UNSAFE_GLOBAL_RKEY);
ctx->pd = ib_alloc_pd(ctx->ib_dev, 0);
xrcd->pd = ib_alloc_pd(ibdev, 0);
pd = ib_alloc_pd(&dev->ib_dev, 0);
port_priv->pd = ib_alloc_pd(device, 0);
priv->pd = ib_alloc_pd(priv->ca, 0);
sdp_dev->pd = ib_alloc_pd(device, 0);