linux-kernel - [PATCH 3/3] nvme: enable smart AEN

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Message-Id: <20220507065026.260306-4-pizhenwei@bytedance.com>
Date:   Sat,  7 May 2022 14:50:26 +0800
From:   zhenwei pi <pizhenwei@...edance.com>
To:     kbusch@...nel.org, hch@....de
Cc:     sagi@...mberg.me, axboe@...com, linux-nvme@...ts.infradead.org,
        linux-kernel@...r.kernel.org, zhenwei pi <pizhenwei@...edance.com>
Subject: [PATCH 3/3] nvme: enable smart AEN

Try to enable AEN on host side, this is helpful to minitor the
critical warning from the NVMe controller.

Signed-off-by: zhenwei pi <pizhenwei@...edance.com>
---
 drivers/nvme/host/core.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index e1846d04817f..f386a4f1d434 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -1490,8 +1490,12 @@ int nvme_set_queue_count(struct nvme_ctrl *ctrl, int *count)
 }
 EXPORT_SYMBOL_GPL(nvme_set_queue_count);
 
+#define NVME_AEN_SMART \
+	(NVME_AEN_CFG_SMART_CRIT_SPARE | NVME_AEN_CFG_SMART_CRIT_TEMPERATURE | \
+	 NVME_AEN_CFG_SMART_CRIT_RELIABILITY | NVME_AEN_CFG_SMART_CRIT_MEDIA | \
+	 NVME_AEN_CFG_SMART_CRIT_VOLATILE_MEMORY | NVME_AEN_CFG_SMART_CRIT_PMR_UNRELIABLE)
 #define NVME_AEN_SUPPORTED \
-	(NVME_AEN_CFG_NS_ATTR | NVME_AEN_CFG_FW_ACT | \
+	(NVME_AEN_SMART | NVME_AEN_CFG_NS_ATTR | NVME_AEN_CFG_FW_ACT | \
 	 NVME_AEN_CFG_ANA_CHANGE | NVME_AEN_CFG_DISC_CHANGE)
 
 static void nvme_enable_aen(struct nvme_ctrl *ctrl)
-- 
2.20.1