From: linux-block-owner@xxxxxxxxxxxxxxx <linux-block-owner@xxxxxxxxxxxxxxx> on behalf of Hannes Reinecke <hare@xxxxxxx> Sent: Tuesday, July 17, 2018 6:31 AM To: Omar Sandoval Cc: Christoph Hellwig; Sagi Grimberg; Keith Busch; linux-nvme@xxxxxxxxxxxxxxxxxxx; linux-block@xxxxxxxxxxxxxxx; Hannes Reinecke; Hannes Reinecke Subject: [PATCH 2/2] blktests: add test for ANA state transition Signed-off-by: Hannes Reinecke <hare@xxxxxxxx> --- tests/nvme/014 | 158 +++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/nvme/014.out | 17 ++++++ 2 files changed, 175 insertions(+) create mode 100755 tests/nvme/014 create mode 100644 tests/nvme/014.out diff --git a/tests/nvme/014 b/tests/nvme/014 new file mode 100755 index 0000000..4b57229 --- /dev/null +++ b/tests/nvme/014 @@ -0,0 +1,158 @@ +#!/bin/bash +# +# Regression test for ANA base support +# +# Copyright (C) 2018 Hannes Reinecke +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. Licenses - GNU Project - Free Software Foundation www.gnu.org Published software should be free software.To make it free software, you need to release it under a free software license. We normally use the GNU General Public License (GNU GPL), specifying version 3 or any later version, but occasionally we use other free software licenses. + +. tests/nvme/rc + +DESCRIPTION="test ANA optimized/transitioning/inaccessible support" +QUICK=1 + +switch_nvmet_anagroup() { + local port1="$1" + local port2="$2" + local mode="$3" + + echo "ANA state ${mode}" + + if [ "${mode}" = "change" ] ; then + _set_nvmet_anagroup_state "${port1}" "1" "change" + _set_nvmet_anagroup_state "${port1}" "2" "change" + _set_nvmet_anagroup_state "${port2}" "1" "change" + _set_nvmet_anagroup_state "${port2}" "2" "change" + elif [ "${mode}" = "failover" ] ; then + _set_nvmet_anagroup_state "${port1}" "1" "inaccessible" + _set_nvmet_anagroup_state "${port1}" "2" "optimized" + _set_nvmet_anagroup_state "${port2}" "1" "optimized" + _set_nvmet_anagroup_state "${port2}" "2" "inaccessible" + else + _set_nvmet_anagroup_state "${port1}" "1" "optimized" + _set_nvmet_anagroup_state "${port1}" "2" "inaccessible" + _set_nvmet_anagroup_state "${port2}" "1" "inaccessible" + _set_nvmet_anagroup_state "${port2}" "2" "optimized" + fi +} + +_display_ana_state() { + local grpid state [CK] Newliine here ? + for nvme in /sys/class/nvme/* ; do + for c in ${nvme}/nvme* ; do + if [ ! -d ${c} ] ; then + echo "${nvme##*/}: ANA disabled" + continue + fi + grpid="$(cat "${c}/ana_grpid")" + state="$(cat "${c}/ana_state")" + echo "${c##*/}: grpid ${grpid} state ${state}" + done + done +} I think we need to move above functions to the ${BLKTESTS_HOME}/tests/nvme/rc. + +_switch_ana_states() { + local port1=$1 + local port2=$2 + [CK] Please remove the extra line. +} [CK] I was not able to find a caller for above function, I'm I missing something ? + +requires() { + _have_program nvme && _have_module nvme-loop && _have_module loop && \ + _have_configfs && _have_fio [CK] Missing nvmet module from the above list. +} Can we split following test function into small routines, it will be easier to review and maintain? + +test() { + echo "Running ${TEST_NAME}" + + modprobe nvmet + modprobe nvme-loop + + local port1 + port1="$(_create_nvmet_port "loop")" [CK] Can we initialize variables at the time of declaration or after declaration of all the variables ? + ag1="$(_create_nvmet_anagroup "${port1}")" [CK] Not sure if we need ag1 variable. + + local port2 [CK] Can we plese declare all the variable at the top please see tests/nvme/006-013 to maintain uniform style ? + port2="$(_create_nvmet_port "loop")" + ag2="$(_create_nvmet_anagroup "${port2}")" + + truncate -s 1G "$TMPDIR/img1" + + local loop_dev1 + loop_dev1="$(losetup -f --show "$TMPDIR/img1")" + + _create_nvmet_subsystem "blktests-subsystem-1" "${loop_dev1}" \ + "91fdba0d-f87b-4c25-b80f-db7be1418b9e" "1" + + truncate -s 1G "$TMPDIR/img2" + [CK] Do we really need img2 ? is it possible to use the img1 as we are not doing data verification ? + local loop_dev2 + loop_dev2="$(losetup -f --show "$TMPDIR/img2")" + + _create_nvmet_ns "blktests-subsystem-1" "2" "${loop_dev2}" \ + "9aed0138-bfd9-46f5-92ac-24c70377fd49" "2" + + _add_nvmet_subsys_to_port "${port1}" "blktests-subsystem-1" + _add_nvmet_subsys_to_port "${port2}" "blktests-subsystem-1" + + switch_nvmet_anagroup "${port1}" "${port2}" failback + + nvme connect -t loop -a "${port1}" -n blktests-subsystem-1 + nvme connect -t loop -a "${port2}" -n blktests-subsystem-1 + + _display_ana_state + + _run_fio_rand_io --size=256m --filename="/dev/nvme0n1" & [CK] Hardcoded value for ns, on my machine I have PCIe ns with "/dev/nvme0n1", can we please make sure this is the right block device for the namespace that we just configured ? + trap "kill $!" EXIT + + sleep 10 + + switch_nvmet_anagroup "${port1}" "${port2}" "change" + + # Insert a delay to allow the AEN to be processed + sleep 1 + + _display_ana_state + + sleep 6 + + switch_nvmet_anagroup "${port1}" "${port2}" "failover" + + # Insert a delay to allow the AEN to be processed + sleep 1 + + _display_ana_state + + wait + trap - EXIT + + nvme disconnect -n blktests-subsystem-1 + + _remove_nvmet_subsystem_from_port "${port1}" "blktests-subsystem-1" + _remove_nvmet_subsystem_from_port "${port2}" "blktests-subsystem-1" + _remove_nvmet_ns "blktests-subsystem-1" "2" + _remove_nvmet_subsystem "blktests-subsystem-1" + _remove_nvmet_anagroup "${port1}" "2" + _remove_nvmet_port "${port1}" + _remove_nvmet_anagroup "${port2}" "2" [CK] Plase make the groupid local varible instead of hard coding "2". + _remove_nvmet_port "${port2}" + losetup -d "$loop_dev2" + rm "$TMPDIR/img2" + losetup -d "$loop_dev1" + rm "$TMPDIR/img1" + + modprobe -r nvme-loop + modprobe -r nvmet + echo "Test complete" +} diff --git a/tests/nvme/014.out b/tests/nvme/014.out new file mode 100644 index 0000000..0a6ed35 --- /dev/null +++ b/tests/nvme/014.out @@ -0,0 +1,17 @@ +Running nvme/016 +nvme0c1n1: grpid 1 state optimized +nvme0c1n2: grpid 2 state inaccessible +nvme0c2n1: grpid 1 state inaccessible +nvme0c2n2: grpid 2 state optimized +ANA state transition +nvme0c1n1: grpid 1 state change +nvme0c1n2: grpid 2 state change +nvme0c2n1: grpid 1 state change +nvme0c2n2: grpid 2 state change +ANA state failover +nvme0c1n1: grpid 1 state inaccessible +nvme0c1n2: grpid 2 state optimized +nvme0c2n1: grpid 1 state optimized +nvme0c2n2: grpid 2 state inaccessible +NQN:blktests-subsystem-1 disconnected 2 controller(s) +Test complete -- 2.12.3
