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/nvmf/common.sh 7 8MALLOC_BDEV_SIZE=64 9MALLOC_BLOCK_SIZE=512 10 11function starttarget() { 12 # Start the target 13 nvmfappstart -m 0x1E 14 15 $rpc_py nvmf_create_transport $NVMF_TRANSPORT_OPTS -u 8192 16 17 timing_enter create_subsystem 18 # Create subsystem 19 rm -rf $testdir/rpcs.txt 20 cat <<- EOL >> $testdir/rpcs.txt 21 bdev_malloc_create $MALLOC_BDEV_SIZE $MALLOC_BLOCK_SIZE -b Malloc0 22 nvmf_create_subsystem nqn.2016-06.io.spdk:cnode0 -s SPDK0 23 nvmf_subsystem_add_ns nqn.2016-06.io.spdk:cnode0 Malloc0 24 nvmf_subsystem_add_listener nqn.2016-06.io.spdk:cnode0 -t $TEST_TRANSPORT -a $NVMF_FIRST_TARGET_IP -s $NVMF_PORT 25 nvmf_subsystem_add_host nqn.2016-06.io.spdk:cnode0 nqn.2016-06.io.spdk:host0 26 EOL 27 $rpc_py < $testdir/rpcs.txt 28 timing_exit create_subsystems 29 30} 31 32function stoptarget() { 33 rm -f ./local-job0-0-verify.state 34 rm -rf $testdir/bdevperf.conf 35 rm -rf $testdir/rpcs.txt 36 37 nvmftestfini 38} 39 40function waitforio() { 41 # $1 = RPC socket 42 if [ -z "$1" ]; then 43 exit 1 44 fi 45 # $2 = bdev name 46 if [ -z "$2" ]; then 47 exit 1 48 fi 49 local ret=1 50 local i 51 for ((i = 10; i != 0; i--)); do 52 read_io_count=$($rpc_py -s $1 bdev_get_iostat -b $2 | jq -r '.bdevs[0].num_read_ops') 53 # A few I/O will happen during initial examine. So wait until at least 100 I/O 54 # have completed to know that bdevperf is really generating the I/O. 55 if [ $read_io_count -ge 100 ]; then 56 ret=0 57 break 58 fi 59 sleep 0.25 60 done 61 return $ret 62} 63 64# Add a host, start I/O, remove host, re-add host 65function nvmf_host_management() { 66 starttarget 67 68 # Run bdevperf 69 $rootdir/test/bdev/bdevperf/bdevperf -r /var/tmp/bdevperf.sock --json <(gen_nvmf_target_json "0") -q 64 -o 65536 -w verify -t 10 & 70 perfpid=$! 71 waitforlisten $perfpid /var/tmp/bdevperf.sock 72 $rpc_py -s /var/tmp/bdevperf.sock framework_wait_init 73 74 # Expand the trap to clean up bdevperf if something goes wrong 75 trap 'process_shm --id $NVMF_APP_SHM_ID; kill -9 $perfpid || true; nvmftestfini; exit 1' SIGINT SIGTERM EXIT 76 77 waitforio /var/tmp/bdevperf.sock Nvme0n1 78 79 # Remove the host while bdevperf is still running, then re-add it quickly. The host 80 # may attempt to reconnect. 81 $rpc_py nvmf_subsystem_remove_host nqn.2016-06.io.spdk:cnode0 nqn.2016-06.io.spdk:host0 82 $rpc_py nvmf_subsystem_add_host nqn.2016-06.io.spdk:cnode0 nqn.2016-06.io.spdk:host0 83 84 sleep 1 85 86 # TODO: Right now the NVMe-oF initiator will not correctly detect broken connections 87 # and so it will never shut down. Just kill it. 88 kill -9 $perfpid || true 89 90 # Run bdevperf 91 $rootdir/test/bdev/bdevperf/bdevperf -r /var/tmp/bdevperf.sock --json <(gen_nvmf_target_json "0") -q 64 -o 65536 -w verify -t 1 92 93 stoptarget 94} 95 96nvmftestinit 97 98run_test "nvmf_host_management" nvmf_host_management 99 100trap - SIGINT SIGTERM EXIT 101