lpfc_nvmet: implement 'host_traddr'

Implement the 'host_traddr' callback to display the host transport
address for nvmet debugfs.

Signed-off-by: Hannes Reinecke <hare@kernel.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: Daniel Wagner <dwagner@suse.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>

Author: Hannes Reinecke

drivers/scsi/lpfc/lpfc_nvmet.c

@@ -1363,6 +1363,16 @@ lpfc_nvmet_ls_abort(struct nvmet_fc_target_port *targetport,
 		atomic_inc(&lpfc_nvmet->xmt_ls_abort);
 }
 
+static int
+lpfc_nvmet_host_traddr(void *hosthandle, u64 *wwnn, u64 *wwpn)
+{
+	struct lpfc_nodelist *ndlp = hosthandle;
+
+	*wwnn = wwn_to_u64(ndlp->nlp_nodename.u.wwn);
+	*wwpn = wwn_to_u64(ndlp->nlp_portname.u.wwn);
+	return 0;
+}
+
 static void
 lpfc_nvmet_host_release(void *hosthandle)
 {
@@ -1413,6 +1423,7 @@ static struct nvmet_fc_target_template lpfc_tgttemplate = {
 	.ls_req         = lpfc_nvmet_ls_req,
 	.ls_abort       = lpfc_nvmet_ls_abort,
 	.host_release   = lpfc_nvmet_host_release,
+	.host_traddr    = lpfc_nvmet_host_traddr,
 
 	.max_hw_queues  = 1,
 	.max_sgl_segments = LPFC_NVMET_DEFAULT_SEGS,