[PATCH 10/10] nvmet: add tls_concat and tls_key debugfs entries

Hannes Reinecke
2025-02-24T13:14:35Z

Add debugfs entries to display the 'concat' and 'tls_key' controller
attributes.

Signed-off-by: Hannes Reinecke <hare@kernel.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
---
drivers/nvme/target/debugfs.c | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)

diff --git a/drivers/nvme/target/debugfs.c b/drivers/nvme/target/debugfs.c
index 220c7391fc19..e4300eb95101 100644
--- a/drivers/nvme/target/debugfs.c
+++ b/drivers/nvme/target/debugfs.c
@@ -132,6 +132,27 @@ static int nvmet_ctrl_host_traddr_show(struct seq_file *m, void *p)
}
NVMET_DEBUGFS_ATTR(nvmet_ctrl_host_traddr);

+#ifdef CONFIG_NVME_TARGET_TCP_TLS
+static int nvmet_ctrl_tls_key_show(struct seq_file *m, void *p)
+{
+ struct nvmet_ctrl *ctrl = m->private;
+ key_serial_t keyid = nvmet_queue_tls_keyid(ctrl->sqs[0]);
+
+ seq_printf(m, "%08x\n", keyid);
+ return 0;
+}
+NVMET_DEBUGFS_ATTR(nvmet_ctrl_tls_key);
+
+static int nvmet_ctrl_tls_concat_show(struct seq_file *m, void *p)
+{
+ struct nvmet_ctrl *ctrl = m->private;
+
+ seq_printf(m, "%d\n", ctrl->concat);
+ return 0;
+}
+NVMET_DEBUGFS_ATTR(nvmet_ctrl_tls_concat);
+#endif
+
int nvmet_debugfs_ctrl_setup(struct nvmet_ctrl *ctrl)
{
char name[32];
@@ -157,6 +178,12 @@ int nvmet_debugfs_ctrl_setup(struct nvmet_ctrl *ctrl)
&nvmet_ctrl_state_fops);
debugfs_create_file("host_traddr", S_IRUSR, ctrl->debugfs_dir, ctrl,
&nvmet_ctrl_host_traddr_fops);
+#ifdef CONFIG_NVME_TARGET_TCP_TLS
+ debugfs_create_file("tls_concat", S_IRUSR, ctrl->debugfs_dir, ctrl,
+ &nvmet_ctrl_tls_concat_fops);
+ debugfs_create_file("tls_key", S_IRUSR, ctrl->debugfs_dir, ctrl,
+ &nvmet_ctrl_tls_key_fops);
+#endif
return 0;
}

--
2.35.3