[PATCH v4 1/3] block/nvme: introduce bit 5 for critical warning

[zhenwei pi]

According to NVMe spec 1.4 section
<SMART / Health Information (Log Identifier 02h)>, introduce bit 5
for "Persistent Memory Region has become read-only or unreliable".

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

diff --git a/include/block/nvme.h b/include/block/nvme.h
index 9494246f1f..0baf4b27cd 100644
--- a/include/block/nvme.h
+++ b/include/block/nvme.h
@@ -789,6 +789,7 @@ enum NvmeSmartWarn {
     NVME_SMART_RELIABILITY            = 1 << 2,
     NVME_SMART_MEDIA_READ_ONLY        = 1 << 3,
     NVME_SMART_FAILED_VOLATILE_MEDIA  = 1 << 4,
+    NVME_SMART_PMR_UNRELIABLE         = 1 << 5,
 };
 
 typedef struct NvmeEffectsLog {
-- 
2.25.1