[PATCH blktests V2 2/3] nvme: test target cntlid min cntlid max

[Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>]

The new testcases exercises newly added cntlid [min|max] attributes
for NVMeOF target.

Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
---
 tests/nvme/033     | 61 ++++++++++++++++++++++++++++++++++++++++++++++
 tests/nvme/033.out |  4 +++
 2 files changed, 65 insertions(+)
 create mode 100755 tests/nvme/033
 create mode 100644 tests/nvme/033.out

diff --git a/tests/nvme/033 b/tests/nvme/033
new file mode 100755
index 0000000..49f2fa1
--- /dev/null
+++ b/tests/nvme/033
@@ -0,0 +1,61 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0+
+# Copyright (c) 2017-2018 Western Digital Corporation or its affiliates.
+#
+# Test NVMeOF target cntlid[min|max] attributes.
+
+. tests/nvme/rc
+
+DESCRIPTION="Test NVMeOF target cntlid[min|max] attributes"
+QUICK=1
+
+PORT=""
+NVMEDEV=""
+LOOP_DEV=""
+FILE_PATH="$TMPDIR/img"
+SUBSYS_NAME="blktests-subsystem-1"
+
+_have_cid_min_max()
+{
+	local cid_min=14
+	local cid_max=15
+
+	_setup_nvmet
+	truncate -s 1G "${FILE_PATH}"
+	LOOP_DEV="$(losetup -f --show "${FILE_PATH}")"
+
+	# we can only know skip reason when we create a subsys
+	 _create_nvmet_subsystem "${SUBSYS_NAME}" "${LOOP_DEV}" \
+		"91fdba0d-f87b-4c25-b80f-db7be1418b9e" ${cid_min} ${cid_max}
+}
+
+requires() {
+	_have_program nvme && _have_modules loop nvme-loop nvmet && \
+		_have_configfs && _have_cid_min_max
+}
+
+test() {
+	echo "Running ${TEST_NAME}"
+
+	PORT="$(_create_nvmet_port "loop")"
+	_add_nvmet_subsys_to_port "${PORT}" "${SUBSYS_NAME}"
+
+	nvme connect -t loop -n "${SUBSYS_NAME}"
+
+	udevadm settle
+
+	NVMEDEV="$(_find_nvme_loop_dev)"
+	nvme id-ctrl /dev/"${NVMEDEV}"n1 | grep cntlid | tr -s ' ' ' '
+
+	nvme disconnect -n "${SUBSYS_NAME}"
+
+	_remove_nvmet_subsystem_from_port "${PORT}" "${SUBSYS_NAME}"
+	_remove_nvmet_subsystem "${SUBSYS_NAME}"
+	_remove_nvmet_port "${PORT}"
+
+	losetup -d "${LOOP_DEV}"
+
+	rm "${FILE_PATH}"
+
+	echo "Test complete"
+}
diff --git a/tests/nvme/033.out b/tests/nvme/033.out
new file mode 100644
index 0000000..b1b0d15
--- /dev/null
+++ b/tests/nvme/033.out
@@ -0,0 +1,4 @@
+Running nvme/033
+cntlid : e
+NQN:blktests-subsystem-1 disconnected 1 controller(s)
+Test complete
-- 
2.22.1


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