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Diffstat (limited to '')
-rw-r--r-- | src/spdk/test/nvmf/common.sh | 292 |
1 files changed, 292 insertions, 0 deletions
diff --git a/src/spdk/test/nvmf/common.sh b/src/spdk/test/nvmf/common.sh new file mode 100644 index 000000000..5f52ef127 --- /dev/null +++ b/src/spdk/test/nvmf/common.sh @@ -0,0 +1,292 @@ +NVMF_PORT=4420 +NVMF_IP_PREFIX="192.168.100" +NVMF_IP_LEAST_ADDR=8 +NVMF_TCP_IP_ADDRESS="127.0.0.1" +NVMF_TRANSPORT_OPTS="" +NVMF_SERIAL=SPDK00000000000001 + +function build_nvmf_app_args() { + if [ $SPDK_RUN_NON_ROOT -eq 1 ]; then + NVMF_APP=(sudo -u "$USER" "${NVMF_APP[@]}") + NVMF_APP+=(-i "$NVMF_APP_SHM_ID" -e 0xFFFF) + else + NVMF_APP+=(-i "$NVMF_APP_SHM_ID" -e 0xFFFF) + fi +} + +: ${NVMF_APP_SHM_ID="0"} +export NVMF_APP_SHM_ID +build_nvmf_app_args + +have_pci_nics=0 + +function rxe_cfg() { + "$rootdir/scripts/rxe_cfg_small.sh" "$@" +} + +function load_ib_rdma_modules() { + if [ $(uname) != Linux ]; then + return 0 + fi + + modprobe ib_cm + modprobe ib_core + # Newer kernels do not have the ib_ucm module + modprobe ib_ucm || true + modprobe ib_umad + modprobe ib_uverbs + modprobe iw_cm + modprobe rdma_cm + modprobe rdma_ucm +} + +function detect_soft_roce_nics() { + rxe_cfg start +} + +# args 1 and 2 represent the grep filters for finding our NICS. +# subsequent args are all drivers that should be loaded if we find these NICs. +# Those drivers should be supplied in the correct order. +function detect_nics_and_probe_drivers() { + NIC_VENDOR="$1" + NIC_CLASS="$2" + + nvmf_nic_bdfs=$(lspci | grep Ethernet | grep "$NIC_VENDOR" | grep "$NIC_CLASS" | awk -F ' ' '{print "0000:"$1}') + + if [ -z "$nvmf_nic_bdfs" ]; then + return 0 + fi + + have_pci_nics=1 + if [ $# -ge 2 ]; then + # shift out the first two positional arguments. + shift 2 + # Iterate through the remaining arguments. + for i; do + modprobe "$i" + done + fi +} + +function detect_pci_nics() { + + if ! hash lspci; then + return 0 + fi + + detect_nics_and_probe_drivers "Mellanox" "ConnectX-4" "mlx4_core" "mlx4_ib" "mlx4_en" + detect_nics_and_probe_drivers "Mellanox" "ConnectX-5" "mlx5_core" "mlx5_ib" + detect_nics_and_probe_drivers "Intel" "X722" "i40e" "i40iw" + detect_nics_and_probe_drivers "Chelsio" "Unified Wire" "cxgb4" "iw_cxgb4" + + if [ "$have_pci_nics" -eq "0" ]; then + return 0 + fi + + # Provide time for drivers to properly load. + sleep 5 +} + +function detect_rdma_nics() { + detect_pci_nics + if [ "$have_pci_nics" -eq "0" ]; then + detect_soft_roce_nics + fi +} + +function allocate_nic_ips() { + ((count = NVMF_IP_LEAST_ADDR)) + for nic_name in $(get_rdma_if_list); do + ip="$(get_ip_address $nic_name)" + if [ -z $ip ]; then + ip addr add $NVMF_IP_PREFIX.$count/24 dev $nic_name + ip link set $nic_name up + ((count = count + 1)) + fi + # dump configuration for debug log + ip addr show $nic_name + done +} + +function get_available_rdma_ips() { + for nic_name in $(get_rdma_if_list); do + get_ip_address $nic_name + done +} + +function get_rdma_if_list() { + for nic_type in /sys/class/infiniband/*; do + [[ -e "$nic_type" ]] || break + for nic_name in /sys/class/infiniband/"$(basename ${nic_type})"/device/net/*; do + [[ -e "$nic_name" ]] || break + basename "$nic_name" + done + done +} + +function get_ip_address() { + interface=$1 + ip -o -4 addr show $interface | awk '{print $4}' | cut -d"/" -f1 +} + +function nvmfcleanup() { + sync + set +e + for i in {1..20}; do + modprobe -v -r nvme-$TEST_TRANSPORT + if modprobe -v -r nvme-fabrics; then + set -e + return 0 + fi + sleep 1 + done + set -e + + # So far unable to remove the kernel modules. Try + # one more time and let it fail. + # Allow the transport module to fail for now. See Jim's comment + # about the nvme-tcp module below. + modprobe -v -r nvme-$TEST_TRANSPORT || true + modprobe -v -r nvme-fabrics +} + +function nvmftestinit() { + if [ -z $TEST_TRANSPORT ]; then + echo "transport not specified - use --transport= to specify" + return 1 + fi + if [ "$TEST_MODE" == "iso" ]; then + $rootdir/scripts/setup.sh + if [ "$TEST_TRANSPORT" == "rdma" ]; then + rdma_device_init + fi + fi + + NVMF_TRANSPORT_OPTS="-t $TEST_TRANSPORT" + if [ "$TEST_TRANSPORT" == "rdma" ]; then + RDMA_IP_LIST=$(get_available_rdma_ips) + NVMF_FIRST_TARGET_IP=$(echo "$RDMA_IP_LIST" | head -n 1) + NVMF_SECOND_TARGET_IP=$(echo "$RDMA_IP_LIST" | tail -n +2 | head -n 1) + if [ -z $NVMF_FIRST_TARGET_IP ]; then + echo "no NIC for nvmf test" + exit 0 + fi + elif [ "$TEST_TRANSPORT" == "tcp" ]; then + NVMF_FIRST_TARGET_IP=127.0.0.1 + NVMF_TRANSPORT_OPTS="$NVMF_TRANSPORT_OPTS -o" + fi + + # currently we run the host/perf test for TCP even on systems without kernel nvme-tcp + # support; that's fine since the host/perf test uses the SPDK initiator + # maybe later we will enforce modprobe to succeed once we have systems in the test pool + # with nvme-tcp kernel support - but until then let this pass so we can still run the + # host/perf test with the tcp transport + modprobe nvme-$TEST_TRANSPORT || true +} + +function nvmfappstart() { + timing_enter start_nvmf_tgt + "${NVMF_APP[@]}" "$@" & + nvmfpid=$! + trap 'process_shm --id $NVMF_APP_SHM_ID; nvmftestfini; exit 1' SIGINT SIGTERM EXIT + waitforlisten $nvmfpid + timing_exit start_nvmf_tgt +} + +function nvmftestfini() { + nvmfcleanup || : + if [ -n "$nvmfpid" ]; then + killprocess $nvmfpid + fi + if [ "$TEST_MODE" == "iso" ]; then + $rootdir/scripts/setup.sh reset + if [ "$TEST_TRANSPORT" == "rdma" ]; then + rdma_device_init + fi + fi +} + +function rdma_device_init() { + load_ib_rdma_modules + detect_rdma_nics + allocate_nic_ips +} + +function revert_soft_roce() { + rxe_cfg stop +} + +function check_ip_is_soft_roce() { + rxe_cfg status rxe | grep -wq "$1" +} + +function nvme_connect() { + local init_count + init_count=$(nvme list | wc -l) + + if ! nvme connect "$@"; then return $?; fi + + for i in $(seq 1 10); do + if [ $(nvme list | wc -l) -gt $init_count ]; then + return 0 + else + sleep 1s + fi + done + return 1 +} + +function get_nvme_devs() { + local dev rest + + nvmes=() + while read -r dev rest; do + if [[ $dev == /dev/nvme* ]]; then + nvmes+=("$dev") + fi + if [[ $1 == print ]]; then + echo "$dev $rest" + fi + done < <(nvme list) + ((${#nvmes[@]})) || return 1 + echo "${#nvmes[@]}" >&2 +} + +function gen_nvmf_target_json() { + local subsystem config=() + + for subsystem in "${@:-1}"; do + config+=( + "$( + cat <<- EOF + { + "params": { + "name": "Nvme$subsystem", + "trtype": "$TEST_TRANSPORT", + "traddr": "$NVMF_FIRST_TARGET_IP", + "adrfam": "ipv4", + "trsvcid": "$NVMF_PORT", + "subnqn": "nqn.2016-06.io.spdk:cnode$subsystem" + }, + "method": "bdev_nvme_attach_controller" + } + EOF + )" + ) + done + jq . <<- JSON + { + "subsystems": [ + { + "subsystem": "bdev", + "config": [ + $( + IFS="," + printf '%s\n' "${config[*]}" + ) + ] + } + ] + } + JSON +} |