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test/iscsi: add bdev_io_wait tests

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This functionally tests bdev_io_wait queuing in lib/scsi
when there are no remaining bdev_io buffers in pool.

Change-Id: I27d904394da9aa426cfe50e48c719a476966eba3
Signed-off-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-on: https://review.gerrithub.io/423205
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
This commit is contained in:
Tomasz Zawadzki 2018-08-23 03:19:20 -04:00 committed by Jim Harris
parent cd270e5486
commit 369a9484c0
2 changed files with 58 additions and 0 deletions
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57
test/iscsi_tgt/bdev_io_wait/bdev_io_wait.sh Executable file
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@ -0,0 +1,57 @@
#!/usr/bin/env bash
testdir=$(readlink -f $(dirname $0))
rootdir=$(readlink -f $testdir/../../..)
source $rootdir/test/common/autotest_common.sh
source $rootdir/test/iscsi_tgt/common.sh
timing_enter bdev_io_wait
MALLOC_BDEV_SIZE=64
MALLOC_BLOCK_SIZE=512
rpc_py="python $rootdir/scripts/rpc.py"
timing_enter start_iscsi_tgt
# Start the iSCSI target without using stub
# Reason: Two SPDK processes will be started
$ISCSI_APP -m 0x2 -p 1 -s 512 --wait-for-rpc &
pid=$!
echo "iSCSI target launched. pid: $pid"
trap "killprocess $pid;exit 1" SIGINT SIGTERM EXIT
waitforlisten $pid
$rpc_py set_iscsi_options -o 30 -a 4
# Minimal number of bdev io pool (5) and cache (1)
$rpc_py set_bdev_options -p 5 -c 1
$rpc_py start_subsystem_init
echo "iscsi_tgt is listening. Running tests..."
timing_exit start_iscsi_tgt
$rpc_py add_portal_group $PORTAL_TAG $TARGET_IP:$ISCSI_PORT
$rpc_py add_initiator_group $INITIATOR_TAG $INITIATOR_NAME $NETMASK
$rpc_py construct_malloc_bdev $MALLOC_BDEV_SIZE $MALLOC_BLOCK_SIZE
# "Malloc0:0" ==> use Malloc0 blockdev for LUN0
# "1:2" ==> map PortalGroup1 to InitiatorGroup2
# "64" ==> iSCSI queue depth 64
# "-d" ==> disable CHAP authentication
$rpc_py construct_target_node disk1 disk1_alias 'Malloc0:0' $PORTAL_TAG:$INITIATOR_TAG 256 -d
sleep 1
trap "killprocess $pid; rm -f $testdir/bdev.conf; exit 1" SIGINT SIGTERM EXIT
# Prepare config file for iSCSI initiator
echo "[iSCSI_Initiator]" > $testdir/bdev.conf
echo " URL iscsi://$TARGET_IP/iqn.2016-06.io.spdk:disk1/0 iSCSI0" >> $testdir/bdev.conf
$rootdir/test/bdev/bdevperf/bdevperf -c $testdir/bdev.conf -q 128 -o 4096 -w write -t 1
$rootdir/test/bdev/bdevperf/bdevperf -c $testdir/bdev.conf -q 128 -o 4096 -w read -t 1
$rootdir/test/bdev/bdevperf/bdevperf -c $testdir/bdev.conf -q 128 -o 4096 -w flush -t 1
$rootdir/test/bdev/bdevperf/bdevperf -c $testdir/bdev.conf -q 128 -o 4096 -w unmap -t 1
rm -f $testdir/bdev.conf
trap - SIGINT SIGTERM EXIT
killprocess $pid
report_test_completion "bdev_io_wait"
timing_exit bdev_io_wait

1
test/iscsi_tgt/iscsi_tgt.sh
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@ -68,6 +68,7 @@ fi
if [ $SPDK_TEST_ISCSI_INITIATOR -eq 1 ]; then
run_test suite ./test/iscsi_tgt/initiator/initiator.sh
run_test suite ./test/iscsi_tgt/bdev_io_wait/bdev_io_wait.sh
fi
cleanup_veth_interfaces $TEST_TYPE