IB/rdmavt, hfi1, qib: Enhance rdmavt and hfi1 to use 32 bit lids

Increase lid used in hfi1 driver to 32 bits. qib continues
to use 16 bit lids.

Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Dasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com>
Signed-off-by: Don Hiatt <don.hiatt@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

drivers/infiniband/hw/qib/qib_mad.c

@@ -105,7 +105,7 @@ static void qib_send_trap(struct qib_ibport *ibp, void *data, unsigned len)
 		if (ibp->rvp.sm_lid != be16_to_cpu(IB_LID_PERMISSIVE)) {
 			struct ib_ah *ah;
 
-			ah = qib_create_qp0_ah(ibp, ibp->rvp.sm_lid);
+			ah = qib_create_qp0_ah(ibp, (u16)ibp->rvp.sm_lid);
 			if (IS_ERR(ah))
 				ret = PTR_ERR(ah);
 			else {
@@ -496,7 +496,7 @@ static int subn_get_portinfo(struct ib_smp *smp, struct ib_device *ibdev,
 		pip->mkey = ibp->rvp.mkey;
 	pip->gid_prefix = ibp->rvp.gid_prefix;
 	pip->lid = cpu_to_be16(ppd->lid);
-	pip->sm_lid = cpu_to_be16(ibp->rvp.sm_lid);
+	pip->sm_lid = cpu_to_be16((u16)ibp->rvp.sm_lid);
 	pip->cap_mask = cpu_to_be32(ibp->rvp.port_cap_flags);
 	/* pip->diag_code; */
 	pip->mkey_lease_period = cpu_to_be16(ibp->rvp.mkey_lease_period);