1#!/usr/bin/env bash 2 3testdir=$(readlink -f $(dirname $0)) 4rootdir=$(readlink -f $testdir/../../..) 5source $rootdir/test/common/autotest_common.sh 6source $rootdir/test/iscsi_tgt/common.sh 7 8iscsitestinit 9 10BDEV_SIZE=64 11BDEV_NEW_SIZE=128 12BLOCK_SIZE=512 13RESIZE_SOCK="/var/tmp/spdk-resize.sock" 14 15timing_enter start_iscsi_tgt 16 17# Remove the sock file first 18rm -f $RESIZE_SOCK 19 20"${ISCSI_APP[@]}" -m 0x2 -p 1 -s 512 --wait-for-rpc & 21pid=$! 22echo "iSCSI target launched. pid: $pid" 23trap 'killprocess $pid; iscsitestfini; exit 1' SIGINT SIGTERM EXIT 24waitforlisten $pid 25$rpc_py framework_start_init 26echo "iscsi_tgt is listening. Running tests..." 27 28timing_exit start_iscsi_tgt 29 30$rpc_py iscsi_create_portal_group $PORTAL_TAG $TARGET_IP:$ISCSI_PORT 31$rpc_py iscsi_create_initiator_group $INITIATOR_TAG $INITIATOR_NAME $NETMASK 32$rpc_py bdev_null_create Null0 $BDEV_SIZE $BLOCK_SIZE 33# "Null0:0" ==> use Null0 blockdev for LUN0 34# "1:2" ==> map PortalGroup1 to InitiatorGroup2 35# "64" ==> iSCSI queue depth 64 36# "-d" ==> disable CHAP authentication 37$rpc_py iscsi_create_target_node disk1 disk1_alias 'Null0:0' $PORTAL_TAG:$INITIATOR_TAG 256 -d 38sleep 1 39trap 'killprocess $pid; iscsitestfini; exit 1' SIGINT SIGTERM EXIT 40 41# Start bdevperf with another sock file and iSCSI initiator 42"$rootdir/test/bdev/bdevperf/bdevperf" -r $RESIZE_SOCK --json <(initiator_json_config) -q 16 -o 4096 -w read -t 5 -R -s 128 -z & 43bdevperf_pid=$! 44waitforlisten $bdevperf_pid $RESIZE_SOCK 45# Resize the Bdev from iSCSI target 46$rpc_py bdev_null_resize Null0 $BDEV_NEW_SIZE 47# Obtain the Bdev from bdevperf with iSCSI initiator 48num_block=$($rpc_py -s $RESIZE_SOCK bdev_get_bdevs | grep num_blocks | sed 's/[^[:digit:]]//g') 49# Size is not changed as no IO sent yet and resize notification is deferred. 50total_size=$((num_block * BLOCK_SIZE / 1048576)) 51if [ $total_size != $BDEV_SIZE ]; then 52 echo "resize failed" 53 exit 1 54fi 55sleep 2 56# Start the bdevperf IO 57$rootdir/test/bdev/bdevperf/bdevperf.py -s $RESIZE_SOCK perform_tests 58# Obtain the Bdev from bdevperf with iSCSI initiator 59num_block=$($rpc_py -s $RESIZE_SOCK bdev_get_bdevs | grep num_blocks | sed 's/[^[:digit:]]//g') 60# Get the new bdev size in MiB. 61total_size=$((num_block * BLOCK_SIZE / 1048576)) 62if [ $total_size != $BDEV_NEW_SIZE ]; then 63 echo "resize failed" 64 exit 1 65fi 66 67trap - SIGINT SIGTERM EXIT 68killprocess $bdevperf_pid 69killprocess $pid 70 71iscsitestfini 72