#!/bin/bash
# SPDX-License-Identifier: GPL-3.0+
# Copyright (C) 2018 Johannes Thumshirn
#
# Regression test for commit 74c6c7153084 ("nvme: don't send keep-alives to the
# discovery controller").

. tests/nvme/rc

DESCRIPTION="test if we're sending keep-alives to a discovery controller"
QUICK=1

requires() {
	_nvme_requires
	_have_loop
	_require_nvme_trtype_is_fabrics
	_have_writeable_kmsg
}

test() {
	echo "Running ${TEST_NAME}"

	_setup_nvmet

	local port
	port="$(_create_nvmet_port "${nvme_trtype}")"

	local loop_dev
	loop_dev="$(losetup -f)"

	_create_nvmet_subsystem "blktests-subsystem-1" "${loop_dev}"
	_add_nvmet_subsys_to_port "${port}" "blktests-subsystem-1"

	_nvme_connect_subsys "${nvme_trtype}" nqn.2014-08.org.nvmexpress.discovery

	# This is ugly but checking for the absence of error messages is ...
	sleep 10

	if _dmesg_since_test_start | grep -q "failed nvme_keep_alive_end_io error="; then
		echo "Fail"
	fi

	if _dmesg_since_test_start | grep -q "nvmet: unsupported cmd 24"; then
		echo "Fail"
	fi

	_nvme_disconnect_subsys nqn.2014-08.org.nvmexpress.discovery
	_remove_nvmet_subsystem_from_port "${port}" "blktests-subsystem-1"
	_remove_nvmet_subsystem "blktests-subsystem-1"
	_remove_nvmet_port "${port}"

	echo "Test complete"
}
