[PATCH v6 3/3] ndctl: add test for clear-error

[Dave Jiang <dave.jiang@intel.com>]

Adding unit test for ndctl clear-error (and list-errors)

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
---
 test/Makefile.am              |    1 +
 test/ndctl-clear-error-dax.sh |   66 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 67 insertions(+)
 create mode 100755 test/ndctl-clear-error-dax.sh

diff --git a/test/Makefile.am b/test/Makefile.am
index 9353a34..3cd159e 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -10,6 +10,7 @@ TESTS =\
 	clear.sh \
 	dax-errors.sh \
 	daxdev-errors.sh \
+	ndctl-clear-error-dax.sh \
 	btt-check.sh \
 	label-compat.sh \
 	blk-exhaust.sh
diff --git a/test/ndctl-clear-error-dax.sh b/test/ndctl-clear-error-dax.sh
new file mode 100755
index 0000000..1608db9
--- /dev/null
+++ b/test/ndctl-clear-error-dax.sh
@@ -0,0 +1,66 @@
+#!/bin/bash -x
+DEV=""
+NDCTL="../ndctl/ndctl"
+BUS="-b nfit_test.0"
+BUS1="-b nfit_test.1"
+json2var="s/[{}\",]//g; s/:/=/g"
+rc=77
+
+check_min_kver()
+{
+	local ver="$1"
+	: "${KVER:=$(uname -r)}"
+
+	[ -n "$ver" ] || return 1
+	[[ "$ver" == "$(echo -e "$ver\n$KVER" | sort -V | head -1)" ]]
+}
+
+check_min_kver "4.12" || { echo "kernel $KVER lacks dax dev error handling"; exit $rc; }
+
+set -e
+
+err() {
+	echo "test/clear: failed at line $1"
+	exit $rc
+}
+
+set -e
+trap 'err $LINENO' ERR
+
+# setup (reset nfit_test dimms)
+modprobe nfit_test
+$NDCTL disable-region $BUS all
+$NDCTL zero-labels $BUS all
+$NDCTL enable-region $BUS all
+
+rc=1
+
+query=". | sort_by(.available_size) | reverse | .[0].dev"
+region=$($NDCTL list $BUS -t pmem -Ri | jq -r "$query")
+
+# create dax
+chardev="x"
+json=$($NDCTL create-namespace $BUS -r $region -t pmem -m dax -a 4096)
+chardev=$(echo $json | jq -r ". | select(.mode == \"dax\") | .daxregion.devices[0].chardev")
+[ $chardev = "x" ] && echo "fail: $LINENO" && exit 1
+
+json1=$($NDCTL list $BUS)
+eval $(sed -e "$json2var" <<< "$json1")
+
+read sector len <<< `$NDCTL list-errors -f /dev/$chardev`
+echo "sector: $sector len: $len"
+
+# clearing using ndctl
+$NDCTL clear-error -f /dev/$chardev -s $sector -l $len
+
+# check badblocks, should be empty
+read sector len <<< `$NDCTL list-errors -f /dev/$chardev`
+[ -n "$sector" ] && echo "fail: $LINENO" && exit 1
+
+echo "badblocks empty, expected"
+
+$NDCTL disable-region $BUS all
+$NDCTL disable-region $BUS1 all
+modprobe -r nfit_test
+
+exit 0

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