[PATCH v5 6/7] nvme-fcloop: implement 'host_traddr'

[Daniel Wagner]

From: Hannes Reinecke <hare at kernel.org>

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

Signed-off-by: Hannes Reinecke <hare at kernel.org>
Reviewed-by: Sagi Grimberg <sagi at grimberg.me>
Reviewed-by: Chaitanya Kulkarni <kch at nvidia.com>
Signed-off-by: Daniel Wagner <dwagner at suse.de>
---
 drivers/nvme/target/fcloop.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/drivers/nvme/target/fcloop.c b/drivers/nvme/target/fcloop.c
index 913cd2ec7a6f..e1abb27927ff 100644
--- a/drivers/nvme/target/fcloop.c
+++ b/drivers/nvme/target/fcloop.c
@@ -492,6 +492,16 @@ fcloop_t2h_host_release(void *hosthandle)
 	/* host handle ignored for now */
 }
 
+static int
+fcloop_t2h_host_traddr(void *hosthandle, u64 *wwnn, u64 *wwpn)
+{
+	struct fcloop_rport *rport = hosthandle;
+
+	*wwnn = rport->lport->localport->node_name;
+	*wwpn = rport->lport->localport->port_name;
+	return 0;
+}
+
 /*
  * Simulate reception of RSCN and converting it to a initiator transport
  * call to rescan a remote port.
@@ -1074,6 +1084,7 @@ static struct nvmet_fc_target_template tgttemplate = {
 	.ls_req			= fcloop_t2h_ls_req,
 	.ls_abort		= fcloop_t2h_ls_abort,
 	.host_release		= fcloop_t2h_host_release,
+	.host_traddr		= fcloop_t2h_host_traddr,
 	.max_hw_queues		= FCLOOP_HW_QUEUES,
 	.max_sgl_segments	= FCLOOP_SGL_SEGS,
 	.max_dif_sgl_segments	= FCLOOP_SGL_SEGS,
-- 
2.45.1