#!/bin/bash
# SPDX-License-Identifier: GPL-3.0+
# Copyright (C) 2022 Sagi Grimberg <sagi@grimberg.me>
#
# Test nvme fabrics controller reset/disconnect/reconnect operation during I/O
# This test is somewhat similar to test 032 but for fabrics controllers.

. tests/nvme/rc

DESCRIPTION="test nvme fabrics controller reset/disconnect operation during I/O"

requires() {
	_nvme_requires
	_have_loop
	_have_fio
	_require_nvme_trtype_is_fabrics
}

set_conditions() {
	_set_nvme_trtype "$@"
}

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

	_setup_nvmet

	local nvmedev
	local fio_pid
	local ns

	_nvmet_target_setup

	_nvme_connect_subsys
	nvmedev=$(_find_nvme_dev "${def_subsysnqn}")
	ns=$(_find_nvme_ns "${def_subsys_uuid}")

	# start fio job
	echo "starting background fio"
	_run_fio_rand_io --filename="/dev/${ns}" \
		--group_reporting --ramp_time=5 \
		--time_based --runtime=1d &> /dev/null &
	fio_pid=$!
	sleep 5

	# do reset/remove operation
	echo "resetting controller"
	_nvme_reset_ctrl "${nvmedev}"
	sleep 1
	echo "deleting controller"
	_nvme_delete_ctrl "${nvmedev}"

	{ kill "${fio_pid}"; wait; } &> /dev/null

	_nvmet_target_cleanup

	echo "Test complete"
}
