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[v6,6/6] nvme: sysfs: emit the marginal path state in show_state()

Message ID 20250620175820.34795-1-bgurney@redhat.com
State Superseded
Headers show
Series [v6,1/6] fc_els: use 'union fc_tlv_desc' | expand

Commit Message

Bryan Gurney June 20, 2025, 5:58 p.m. UTC 
If a controller has received a link integrity or congestion event, and
has the NVME_CTRL_MARGINAL flag set, emit "marginal" in the state
instead of "live", to identify the marginal paths.

Co-developed-by: John Meneghini <jmeneghi@redhat.com>
Signed-off-by: John Meneghini <jmeneghi@redhat.com>
Signed-off-by: Bryan Gurney <bgurney@redhat.com>
---
 drivers/nvme/host/sysfs.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/nvme/host/sysfs.c b/drivers/nvme/host/sysfs.c
index 29430949ce2f..4a6135c2f9cb 100644
--- a/drivers/nvme/host/sysfs.c
+++ b/drivers/nvme/host/sysfs.c
@@ -430,7 +430,9 @@  static ssize_t nvme_sysfs_show_state(struct device *dev,
 	};
 
 	if (state < ARRAY_SIZE(state_name) && state_name[state])
-		return sysfs_emit(buf, "%s\n", state_name[state]);
+		return sysfs_emit(buf, "%s\n",
+			(nvme_ctrl_is_marginal(ctrl)) ? "marginal" :
+			state_name[state]);
 
 	return sysfs_emit(buf, "unknown state\n");
 }