From ca0b37660486e417e8067edc23b4b7e9e1ff71e8 Mon Sep 17 00:00:00 2001
From: bunder2015 <omfgbunder@gmail.com>
Date: Wed, 21 Feb 2018 16:52:47 -0500
Subject: [PATCH] Add SMART attributes for SSD and NVMe

This adds the SMART attributes required to probe Samsung SSD and NVMe
(and possibly others) disks when using the "zpool status -c" command.

Reviewed-by: loli10K <ezomori.nozomu@gmail.com>
Reviewed-by: Giuseppe Di Natale <dinatale2@llnl.gov>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: bunder2015 <omfgbunder@gmail.com>
Closes #7183
Closes #7193
---
 cmd/zpool/Makefile.am      |  2 ++
 cmd/zpool/zpool.d/nvme_err |  1 +
 cmd/zpool/zpool.d/smart    | 23 +++++++++++++++++++++--
 3 files changed, 24 insertions(+), 2 deletions(-)
 create mode 120000 cmd/zpool/zpool.d/nvme_err

diff --git a/cmd/zpool/Makefile.am b/cmd/zpool/Makefile.am
index d7e1741c1..74d864888 100644
--- a/cmd/zpool/Makefile.am
+++ b/cmd/zpool/Makefile.am
@@ -59,6 +59,7 @@ dist_zpoolexec_SCRIPTS = \
 	zpool.d/pend_sec \
 	zpool.d/off_ucor \
 	zpool.d/ata_err \
+	zpool.d/nvme_err \
 	zpool.d/pwr_cyc \
 	zpool.d/upath \
 	zpool.d/vendor
@@ -97,6 +98,7 @@ zpoolconfdefaults = \
 	pend_sec \
 	off_ucor \
 	ata_err \
+	nvme_err \
 	pwr_cyc \
 	upath \
 	vendor
diff --git a/cmd/zpool/zpool.d/nvme_err b/cmd/zpool/zpool.d/nvme_err
new file mode 120000
index 000000000..94f22861f
--- /dev/null
+++ b/cmd/zpool/zpool.d/nvme_err
@@ -0,0 +1 @@
+smart
\ No newline at end of file
diff --git a/cmd/zpool/zpool.d/smart b/cmd/zpool/zpool.d/smart
index 3721f30ed..4bc3af39d 100755
--- a/cmd/zpool/zpool.d/smart
+++ b/cmd/zpool/zpool.d/smart
@@ -23,6 +23,7 @@ off_ucor:	Show SMART offline uncorrectable errors (ATA).
 ata_err:	Show SMART ATA errors (ATA).
 pwr_cyc:	Show SMART power cycle count (ATA).
 serial:		Show disk serial number.
+nvme_err:	Show SMART NVMe errors (NVMe).
 "
 
 script=$(basename "$0")
@@ -37,7 +38,7 @@ smartctl_path=$(which smartctl)
 if [ -b "$VDEV_UPATH" ] && [ -x "$smartctl_path" ]; then
 	raw_out=$(eval "sudo $smartctl_path -a $VDEV_UPATH")
 
-	# Are we a SAS or ATA drive?  Look for the right line in smartctl:
+	# What kind of drive are we?  Look for the right line in smartctl:
 	#
 	# SAS:
 	#	Transport protocol:   SAS
@@ -45,7 +46,10 @@ if [ -b "$VDEV_UPATH" ] && [ -x "$smartctl_path" ]; then
 	# SATA:
 	#	ATA Version is:   8
 	#
-	type=$(echo "$raw_out" | grep -m 1 -Eo '^ATA|SAS$')
+	# NVMe:
+	#       SMART/Health Information (NVMe Log 0xnn, NSID 0xnn)
+	#
+	type=$(echo "$raw_out" | grep -m 1 -Eo '^ATA|NVMe|SAS$')
 	out=$(echo "$raw_out" | awk '
 # SAS specific
 /read:/{print "rrd="$4"\nr_cor="$5"\nr_proc="$7"\nr_ucor="$8}
@@ -71,10 +75,21 @@ if [ -b "$VDEV_UPATH" ] && [ -x "$smartctl_path" ]; then
 
 # SATA common
 /Temperature_Celsius/{print "temp="$10}
+/Airflow_Temperature_Cel/{print "temp="$10}
 /SMART overall-health self-assessment test result:/{print "health="$6}
 /Power_On_Hours/{print "hours_on="$10}
 /Serial Number:/{print "serial="$3}
 
+# NVMe common
+/Temperature:/{print "temp="$2}
+/SMART overall-health self-assessment test result:/{print "health="$6}
+/Power On Hours:/{gsub("[^0-9]","",$4); print "hours_on="$4}
+/Serial Number:/{print "serial="$3}
+/Power Cycles:/{print "pwr_cyc="$3}
+
+# NVMe specific
+/Media and Data Integrity Errors:/{print "nvme_err="$6}
+
 END {ORS="\n"; print ""}
 ');
 fi
@@ -94,6 +109,8 @@ smart)
 		scripts="temp|health|r_ucor|w_ucor"
 	elif [ "$type" = "ATA" ] ; then
 		scripts="temp|health|ata_err|realloc|rep_ucor|cmd_to|pend_sec|off_ucor"
+	elif [ "$type" = "NVMe" ] ; then
+		scripts="temp|health|nvme_err"
 	fi
 	;;
 smartx)
@@ -102,6 +119,8 @@ smartx)
 		scripts="hours_on|defect|nonmed|r_proc|w_proc"
 	elif [ "$type" = "ATA" ] ; then
 		scripts="hours_on|pwr_cyc"
+	elif [ "$type" = "NVMe" ] ; then
+		scripts="hours_on|pwr_cyc"
 	fi
 	;;
 *)