--- /dev/null
+multipath.conf
--- /dev/null
+#!/bin/bash
+#
+# Copyright (c) 2016-2018 Western Digital Corporation or its affiliates
+#
+# 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 2
+# 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, write to the Free Software
+# Foundation, Inc.
+
+. tests/nvmeof-mp/rc
+
+DESCRIPTION="Log in and log out"
+QUICK=1
+
+count_devices() {
+ local d devs=0
+
+ for d in /sys/class/nvme-fabrics/ctl/*/*/device; do
+ [ -d "$d" ] && ((devs++))
+ done
+ echo $devs
+}
+
+wait_for_devices() {
+ local expected=1 i devices
+
+ use_blk_mq y || return $?
+ for ((i=0;i<100;i++)); do
+ devices=$(count_devices)
+ [ "$devices" -ge $expected ] && break
+ sleep .1
+ done
+ echo "count_devices(): $devices <> $expected" >>"$FULL"
+ echo "count_devices(): $devices <> $expected"
+ [ "$devices" -ge $expected ]
+}
+
+test() {
+ trap 'trap "" EXIT; teardown' EXIT
+ setup && wait_for_devices && echo Passed
+}
--- /dev/null
+Configured NVMe target driver
+count_devices(): 1 <> 1
+Passed
--- /dev/null
+#!/bin/bash
+#
+# Copyright (c) 2016-2018 Western Digital Corporation or its affiliates
+#
+# 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 2
+# 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, write to the Free Software
+# Foundation, Inc.
+
+. tests/nvmeof-mp/rc
+
+DESCRIPTION="File I/O on top of multipath concurrently with logout and login (mq)"
+TIMED=1
+
+test_disconnect_repeatedly() {
+ local dev fio_status m
+
+ use_blk_mq y || return $?
+ dev=$(get_bdev 0) || return $?
+ m=$(mountpoint 0) || return $?
+ create_filesystem "$dev" || return $?
+ mount_and_check "$dev" "$m" || return $?
+ # shellcheck disable=SC2064
+ trap "unmount_and_check $m" RETURN
+ simulate_network_failure_loop "$dev" "$TIMEOUT" &
+ run_fio --verify=md5 --rw=randwrite --bs=4K --loops=$((10**6)) \
+ --iodepth=64 --group_reporting --sync=1 --direct=1 \
+ --ioengine=libaio --directory="$m" --runtime="${TIMEOUT}" \
+ --name=data-integrity-test-mq --thread --numjobs=16 \
+ --output="${RESULTS_DIR}/nvmeof-mp/fio-output-002.txt" \
+ >>"$FULL"
+ fio_status=$?
+ wait
+ return $fio_status
+}
+
+test() {
+ : "${TIMEOUT:=30}"
+ trap 'trap "" EXIT; teardown' EXIT
+ setup && test_disconnect_repeatedly && echo Passed
+}
--- /dev/null
+Configured NVMe target driver
+Passed
--- /dev/null
+#!/bin/bash
+#
+# Copyright (c) 2016-2018 Western Digital Corporation or its affiliates
+#
+# 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 2
+# 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, write to the Free Software
+# Foundation, Inc.
+
+. tests/nvmeof-mp/rc
+
+DESCRIPTION="File I/O on top of multipath concurrently with logout and login (sq-on-mq)"
+TIMED=1
+
+test_disconnect_repeatedly() {
+ local dev fio_status m
+
+ use_blk_mq n || return $?
+ dev=$(get_bdev 0) || return $?
+ m=$(mountpoint 0) || return $?
+ create_filesystem "$dev" || return $?
+ mount_and_check "$dev" "$m" || return $?
+ # shellcheck disable=SC2064
+ trap "unmount_and_check $m" RETURN
+ simulate_network_failure_loop "$dev" "$TIMEOUT" &
+ run_fio --verify=md5 --rw=randwrite --bs=4K --loops=$((10**6)) \
+ --iodepth=64 --group_reporting --sync=1 --direct=1 \
+ --ioengine=libaio --directory="$m" \
+ --name=data-integrity-test-02-sq-on-mq --thread \
+ --numjobs=16 --runtime="${TIMEOUT}" \
+ --output="${RESULTS_DIR}/nvmeof-mp/fio-output-004.txt" >>"$FULL"
+ fio_status=$?
+ wait
+ return $fio_status
+}
+
+test() {
+ : "${TIMEOUT:=30}"
+ trap 'trap "" EXIT; teardown' EXIT
+ setup && test_disconnect_repeatedly && echo Passed
+}
--- /dev/null
+Configured NVMe target driver
+Passed
--- /dev/null
+#!/bin/bash
+#
+# Copyright (c) 2016-2018 Western Digital Corporation or its affiliates
+#
+# 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 2
+# 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, write to the Free Software
+# Foundation, Inc.
+
+. tests/nvmeof-mp/rc
+
+DESCRIPTION="Direct I/O with large transfer sizes and bs=4M"
+QUICK=1
+
+test_large_transfer_size() {
+ local dev m
+
+ use_blk_mq y || return $?
+ dev=$(get_bdev 0) || return $?
+ run_fio --verify=md5 --rw=randwrite --bs=4M --loops=$((10**6)) \
+ --iodepth=4 --group_reporting --sync=1 --direct=1 \
+ --ioengine=libaio \
+ --filename="$dev" --name=large-io-test --thread --numjobs=1 \
+ --runtime=10 --output="${RESULTS_DIR}/nvmeof-mp/fio-output-005.txt" \
+ >>"$FULL"
+}
+
+test() {
+ trap 'trap "" EXIT; teardown' EXIT
+ setup && test_large_transfer_size && echo Passed
+}
--- /dev/null
+Configured NVMe target driver
+Passed
--- /dev/null
+#!/bin/bash
+#
+# Copyright (c) 2016-2018 Western Digital Corporation or its affiliates
+#
+# 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 2
+# 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, write to the Free Software
+# Foundation, Inc.
+
+. tests/nvmeof-mp/rc
+
+DESCRIPTION="Direct I/O with large transfer sizes and bs=8M"
+QUICK=1
+
+test_large_transfer_size() {
+ local dev m
+
+ use_blk_mq y || return $?
+ dev=$(get_bdev 0) || return $?
+ run_fio --verify=md5 --rw=randwrite --bs=8M --loops=$((10**6)) \
+ --iodepth=4 --group_reporting --sync=1 --direct=1 \
+ --ioengine=libaio \
+ --filename="$dev" --name=large-io-test --thread --numjobs=1 \
+ --runtime=10 --output="${RESULTS_DIR}/nvmeof-mp/fio-output-006.txt" \
+ >>"$FULL"
+}
+
+test() {
+ trap 'trap "" EXIT; teardown' EXIT
+ setup && test_large_transfer_size && echo Passed
+}
--- /dev/null
+Configured NVMe target driver
+Passed
--- /dev/null
+#!/bin/bash
+#
+# Copyright (c) 2016-2018 Western Digital Corporation or its affiliates
+#
+# 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 2
+# 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, write to the Free Software
+# Foundation, Inc.
+
+. tests/nvmeof-mp/rc
+
+DESCRIPTION="Buffered I/O with large transfer sizes and bs=4M"
+QUICK=1
+
+test_large_transfer_size() {
+ local dev m
+
+ use_blk_mq y || return $?
+ dev=$(get_bdev 0) || return $?
+ run_fio --verify=md5 --rw=randwrite --bs=4M --loops=$((10**6)) \
+ --iodepth=4 --group_reporting --sync=1 --direct=0 \
+ --ioengine=libaio \
+ --filename="$dev" --name=large-io-test --thread --numjobs=1 \
+ --runtime=10 --output="${RESULTS_DIR}/nvmeof-mp/fio-output-009.txt" \
+ >>"$FULL"
+}
+
+test() {
+ trap 'trap "" EXIT; teardown' EXIT
+ setup && test_large_transfer_size && echo Passed
+}
--- /dev/null
+Configured NVMe target driver
+Passed
--- /dev/null
+#!/bin/bash
+#
+# Copyright (c) 2016-2018 Western Digital Corporation or its affiliates
+#
+# 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 2
+# 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, write to the Free Software
+# Foundation, Inc.
+
+. tests/nvmeof-mp/rc
+
+DESCRIPTION="Buffered I/O with large transfer sizes and bs=8M"
+QUICK=1
+
+test_large_transfer_size() {
+ local dev m
+
+ use_blk_mq y || return $?
+ dev=$(get_bdev 0) || return $?
+ run_fio --verify=md5 --rw=randwrite --bs=8M --loops=$((10**6)) \
+ --iodepth=4 --group_reporting --sync=1 --direct=0 \
+ --ioengine=libaio \
+ --filename="$dev" --name=large-io-test --thread --numjobs=1 \
+ --runtime=10 --output="${RESULTS_DIR}/nvmeof-mp/fio-output-010.txt" \
+ >>"$FULL"
+}
+
+test() {
+ trap 'trap "" EXIT; teardown' EXIT
+ setup && test_large_transfer_size && echo Passed
+}
--- /dev/null
+Configured NVMe target driver
+Passed
--- /dev/null
+#!/bin/bash
+#
+# Copyright (c) 2016-2018 Western Digital Corporation or its affiliates
+#
+# 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 2
+# 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, write to the Free Software
+# Foundation, Inc.
+
+. tests/nvmeof-mp/rc
+
+DESCRIPTION="Block I/O on top of multipath concurrently with logout and login"
+TIMED=1
+
+test_disconnect_repeatedly() {
+ local dev fio_status m
+
+ use_blk_mq y || return $?
+ dev=$(get_bdev 0) || return $?
+ simulate_network_failure_loop "$dev" "$TIMEOUT" &
+ run_fio --verify=md5 --rw=randwrite --bs=4K --loops=10000 \
+ --ioengine=libaio --iodepth=64 --iodepth_batch=32 \
+ --group_reporting --sync=1 --direct=1 --filename="$dev" \
+ --name=data-integrity-test-06 --thread --numjobs=1 \
+ --runtime="${TIMEOUT}" \
+ --output="${RESULTS_DIR}/nvmeof-mp/fio-output-011.txt" \
+ >>"$FULL"
+ fio_status=$?
+ wait
+ return $fio_status
+}
+
+test() {
+ : "${TIMEOUT:=30}"
+ trap 'trap "" EXIT; teardown' EXIT
+ setup && test_disconnect_repeatedly && echo Passed
+}
--- /dev/null
+Configured NVMe target driver
+Passed
--- /dev/null
+#!/bin/bash
+#
+# Copyright (c) 2018 Western Digital Corporation or its affiliates
+#
+# 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 2
+# 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, write to the Free Software
+# Foundation, Inc.
+
+. tests/nvmeof-mp/rc
+
+DESCRIPTION="dm-mpath on top of multiple I/O schedulers"
+QUICK=1
+
+test_io_schedulers() {
+ local dev m
+
+ # Load all I/O scheduler kernel modules
+ for m in "/lib/modules/$(uname -r)/kernel/block/"*.ko; do
+ modprobe "$(basename "$m")" >&/dev/null
+ done
+ for mq in y n; do
+ use_blk_mq ${mq} || return $?
+ dev=$(get_bdev 0) || return $?
+ for sched in noop deadline bfq cfq; do
+ set_scheduler "$(basename "$(readlink -f "${dev}")")" $sched \
+ >>"$FULL" 2>&1 || continue
+ echo "I/O scheduler: $sched; use_blk_mq: $mq" >>"$FULL"
+ run_fio --verify=md5 --rw=randwrite --bs=4K --size=64K \
+ --ioengine=libaio --iodepth=64 \
+ --iodepth_batch=32 --group_reporting --sync=1 \
+ --direct=1 --filename="$dev" \
+ --name=${sched} --thread --numjobs=1 \
+ --output="${RESULTS_DIR}/nvmeof-mp/012-${sched}-${mq}.txt" \
+ >>"$FULL" ||
+ return $?
+ done
+ done
+ return 0
+}
+
+test() {
+ trap 'trap "" EXIT; teardown' EXIT
+ setup && test_io_schedulers && echo Passed
+}
--- /dev/null
+Configured NVMe target driver
+Passed
--- /dev/null
+defaults {
+ find_multipaths no
+ user_friendly_names yes
+ queue_without_daemon no
+}
+devices {
+ device {
+ vendor "NVME"
+ product "Linux"
+ no_path_retry "queue"
+ path_checker "directio"
+ }
+}
+blacklist {
+ device {
+ vendor "ATA|QEMU"
+ }
+ device {
+ vendor "Linux"
+ product "scsi_debug"
+ }
+ devnode "^nullb.*"
+}
+blacklist_exceptions {
+ property ".*"
+ devnode "^nvme"
+}
--- /dev/null
+#!/bin/bash
+#
+# Copyright (c) 2018 Western Digital Corporation or its affiliates
+#
+# 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 2
+# 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, write to the Free Software
+# Foundation, Inc.
+
+. common/rc
+. common/multipath-over-rdma
+
+namespace=(1)
+elevator=none
+nvme_subsysnqn="nvme-test"
+nvme_port=7777
+ini_timeout=1
+
+group_requires() {
+ local m name p required_modules
+
+ # Since the nvmeof-mp tests are based on the dm-mpath driver, these
+ # tests are incompatible with the NVME_MULTIPATH kernel configuration
+ # option.
+ if _have_kernel_option NVME_MULTIPATH; then
+ SKIP_REASON="CONFIG_NVME_MULTIPATH has been set in .config"
+ return 1
+ fi
+
+ _have_configfs || return $?
+ required_modules=(
+ dm_multipath
+ dm_queue_length
+ dm_service_time
+ null_blk
+ rdma_cm
+ ib_ipoib
+ ib_umad
+ nvme-rdma
+ nvmet-rdma
+ rdma_rxe
+ scsi_dh_alua
+ scsi_dh_emc
+ scsi_dh_rdac
+ )
+ for m in "${required_modules[@]}"; do
+ _have_module "$m" || return $?
+ done
+
+ for p in mkfs.ext4 mkfs.xfs multipath multipathd pidof sg_reset; do
+ _have_program "$p" || return $?
+ done
+
+ _have_root || return $?
+
+ _have_kernel_option DM_UEVENT || return $?
+
+ # shellcheck disable=SC2043
+ for name in multipathd; do
+ if pidof "$name" >/dev/null; then
+ SKIP_REASON="$name must be stopped before the nvmeof-mp tests are run"
+ return 1
+ fi
+ done
+ if [ -e /etc/multipath.conf ] &&
+ ! diff -q /etc/multipath.conf tests/nvmeof-mp/multipath.conf >&/dev/null
+ then
+ SKIP_REASON="/etc/multipath.conf already exists"
+ return 1
+ fi
+}
+
+# Log out, set dm use_blk_mq parameter to $1 and log in.
+use_blk_mq() {
+ local dm_mode=$1
+
+ (
+ cd /sys/module/dm_mod/parameters || return $?
+ if [ -e use_blk_mq ]; then
+ echo "$dm_mode" >use_blk_mq || return $?
+ fi
+ )
+
+ log_out &&
+ remove_mpath_devs &&
+ start_client &&
+ log_in &&
+ return 0
+
+ echo "use_blk_mq $* failed" >>"$FULL"
+ return 1
+}
+
+log_in() {
+ local i ipv4_addr
+
+ [ -c /dev/nvme-fabrics ] &&
+ for i in $(rdma_network_interfaces); do
+ ipv4_addr=$(get_ipv4_addr "$i")
+ if [ -n "${ipv4_addr}" ]; then
+ { echo -n "transport=rdma,traddr=${ipv4_addr},trsvcid=${nvme_port},nqn=$nvme_subsysnqn" > /dev/nvme-fabrics; } 2>>"$FULL"
+ fi
+ done
+}
+
+log_out() {
+ local c
+
+ for c in /sys/class/nvme-fabrics/ctl/*/delete_controller; do
+ [ -e "$c" ] && echo 1 > "$c" &
+ done
+ wait
+}
+
+# Simulate network failures for device $1 during $2 seconds.
+simulate_network_failure_loop() {
+ local d dev="$1" duration="$2" deadline i rc=0
+
+ [ -e "$dev" ] || return $?
+ [ -n "$duration" ] || return $?
+ deadline=$(($(uptime_s) + duration))
+ while [ $rc = 0 ]; do
+ sleep_until 5 ${deadline} || break
+ for d in $(held_by "$dev"); do
+ echo 1 >"$d/device/reset_controller"
+ done
+ done
+
+ for ((i=0;i<5;i++)); do
+ log_in && break
+ sleep 1
+ done
+}
+
+remove_mpath_devs() {
+ local dm h
+
+ {
+ for h in /sys/class/block/nvme*/holders/*; do
+ [ -e "$h" ] || continue
+ d=$(basename "$(dirname "$(dirname "$h")")")
+ dm=/dev/$(basename "$h")
+ echo -n "NVME dev $d: removing $dm: "
+ dmsetup remove "$(dev_to_mpath "$dm")" && echo "done"
+ done
+
+ remove_stale_mpath_devs
+ } &>> "$FULL"
+}
+
+# Arguments: module to unload ($1) and retry count ($2).
+unload_module() {
+ local i m=$1 rc=${2:-1}
+
+ [ ! -e "/sys/module/$m" ] && return 0
+ for ((i=rc;i>0;i--)); do
+ modprobe -r "$m"
+ [ ! -e "/sys/module/$m" ] && return 0
+ sleep .1
+ done
+ return 1
+}
+
+start_nvme_client() {
+ modprobe nvme-core dyndbg=+pmf &&
+ modprobe nvme dyndbg=+pmf &&
+ modprobe nvme-fabrics dyndbg=+pmf &&
+ modprobe nvme-rdma dyndbg=+pmf &&
+ mkdir -p "$(mountpoint 0)"
+ udevadm settle
+ if [ ! -c /dev/nvme-fabrics ]; then
+ echo "Error: /dev/nvme-fabrics not available"
+ fi
+}
+
+stop_nvme_client() {
+ unload_module nvme-rdma || return $?
+ unload_module nvme-fabrics || return $?
+ # Ignore nvme and nvme-core unload errors - this test may be run on a
+ # system equipped with one or more NVMe SSDs.
+ unload_module nvme >&/dev/null
+ unload_module nvme-core >&/dev/null
+ return 0
+}
+
+# Load the initiator kernel driver with kernel module parameters $1..$n.
+start_client() {
+ start_nvme_client
+}
+
+stop_client() {
+ stop_nvme_client
+}
+
+# Get the name of the initiator device node that communicates with target
+# device $1. $1 is an index in the $namespace array.
+get_bdev_path() {
+ local i=$1 uuid
+
+ is_number "$i" || return $?
+ uuid=$(<"/sys/kernel/config/nvmet/subsystems/${nvme_subsysnqn}/namespaces/${namespace[$1]}/device_uuid") || return $?
+ echo "/dev/disk/by-id/dm-uuid-mpath-uuid.$uuid"
+}
+
+# Get a /dev/... path that points at dm device number $1. $1 is an index in
+# the $namespace array.
+get_bdev() {
+ get_bdev_n "$1" "$elevator" "$ini_timeout"
+}
+
+configure_nvmet_port() {
+ local p=$1 ipv4_addr=$2 i
+
+ echo "Configuring $p with address $ipv4_addr as an NVMeOF target port" \
+ >>"$FULL"
+ (
+ cd /sys/kernel/config/nvmet/ports &&
+ for ((i=1;1;i++)); do [ -e "$i" ] || break; done &&
+ mkdir "$i" &&
+ cd "$i" &&
+ echo ipv4 > addr_adrfam &&
+ echo rdma > addr_trtype &&
+ echo -n "$ipv4_addr" > addr_traddr &&
+ echo -n ${nvme_port} > addr_trsvcid
+ )
+}
+
+start_nvme_target() {
+ local d i ipv4_addr num_ports=0
+
+ echo "Configuring NVMe target driver ..." >>"$FULL"
+ modprobe nvmet dyndbg=+pmf &&
+ modprobe nvmet-rdma dyndbg=+pmf &&
+ sleep .1 &&
+ (
+ cd /sys/kernel/config/nvmet/subsystems &&
+ mkdir ${nvme_subsysnqn} &&
+ cd ${nvme_subsysnqn} &&
+ cd namespaces &&
+ mkdir "${namespace[0]}" &&
+ cd "${namespace[0]}" &&
+ echo 00000000-0000-0000-0000-000000000000 >device_nguid &&
+ echo -n /dev/nullb0 >device_path &&
+ echo 1 >enable &&
+ cd ../.. &&
+ echo 1 >attr_allow_any_host
+ ) && for i in $(rdma_network_interfaces); do
+ ipv4_addr=$(get_ipv4_addr "$i")
+ if [ -n "${ipv4_addr}" ]; then
+ configure_nvmet_port "$i" "${ipv4_addr}"
+ ((num_ports++))
+ true
+ fi
+ done &&
+ if [ $num_ports = 0 ]; then
+ echo "No NVMeOF target ports"
+ false
+ fi && (
+ cd /sys/kernel/config/nvmet/ports &&
+ for i in *; do
+ [ -e "$i" ] && (
+ cd "$i/subsystems" &&
+ ln -s "../../../subsystems/${nvme_subsysnqn}" .
+ )
+ done
+ )
+ echo "Configured NVMe target driver"
+}
+
+stop_nvme_target() {
+ local d
+
+ (
+ cd /sys/kernel/config/nvmet 2>/dev/null &&
+ rm -f -- ports/*/subsystems/* &&
+ for d in {*/*/*/*,*/*}; do
+ [ -e "$d" ] &&
+ [ "$(basename "$(dirname "$d")")" != ana_groups ] &&
+ rmdir "$d"
+ done
+ )
+ unload_module nvmet_rdma &&
+ unload_module nvmet &&
+ unload_null_blk
+}
+
+start_target() {
+ start_nvme_target
+}
+
+stop_target() {
+ stop_nvme_target
+}
+
+shutdown_client() {
+ remove_mpath_devs &&
+ log_out &&
+ stop_client
+}
+
+# Set up test configuration
+setup() {
+ setup_test "$PWD/tests/nvmeof-mp/multipath.conf"
+}
projects / users / sagi / blktests.git / commitdiff