linux-kernel - [PATCH 1/3] nvme: introduce bit 5 of smart critical warning

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Message-Id: <20220507065026.260306-2-pizhenwei@bytedance.com>
Date:   Sat,  7 May 2022 14:50:24 +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 1/3] nvme: introduce bit 5 of smart critical warning

According to NVM Express v1.4, Section 5.14.1.2 ("SMART / Health
Information"), introduce bit 5 for "Persistent Memory Region has become
read-only or unreliable".

Signed-off-by: zhenwei pi <pizhenwei@...edance.com>
---
 include/linux/nvme.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/nvme.h b/include/linux/nvme.h
index f626a445d1a8..882ad7523127 100644
--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -662,6 +662,7 @@ enum {
 	NVME_SMART_CRIT_RELIABILITY	= 1 << 2,
 	NVME_SMART_CRIT_MEDIA		= 1 << 3,
 	NVME_SMART_CRIT_VOLATILE_MEMORY	= 1 << 4,
+	NVME_SMART_CRIT_PMR_UNRELIABLE	= 1 << 5,
 };
 
 enum {
-- 
2.20.1