1#!/usr/bin/env bash 2 3testdir=$(readlink -f $(dirname $0)) 4rootdir=$(readlink -f $testdir/../../..) 5rpc_py=$rootdir/scripts/rpc.py 6 7source $rootdir/test/common/autotest_common.sh 8source $rootdir/test/nvmf/common.sh 9 10null_bdev_size=1024 11null_block_size=512 12null_bdev=null0 13nvme_bdev=nvme0 14 15# Since we're connecting the same bdev, we need to use a different NGUID to avoid errors when 16# registering the bdev during bdev_nvme_attach_controller 17nguid=$(uuidgen | tr -d '-') 18 19if [ "$TEST_TRANSPORT" != "tcp" ]; then 20 echo "This test can only be executed with TCP for now" 21 exit 0 22fi 23 24nvmftestinit 25nvmfappstart -m 0x1 26 27# First create a null bdev and expose it over NVMeoF 28$rpc_py nvmf_create_transport $NVMF_TRANSPORT_OPTS 29$rpc_py bdev_null_create $null_bdev $null_bdev_size $null_block_size 30$rpc_py bdev_wait_for_examine 31$rpc_py nvmf_create_subsystem nqn.2016-06.io.spdk:cnode0 -a 32$rpc_py nvmf_subsystem_add_ns nqn.2016-06.io.spdk:cnode0 $null_bdev -g $nguid 33$rpc_py nvmf_subsystem_add_listener nqn.2016-06.io.spdk:cnode0 -t $TEST_TRANSPORT \ 34 -a $NVMF_FIRST_TARGET_IP -s $NVMF_PORT 35 36# Then attach NVMe bdev by connecting back to itself, with the target app running on a single core. 37# This verifies that the initialization is completely asynchronous, as each blocking call would 38# stall the application. 39$rpc_py bdev_nvme_attach_controller -b $nvme_bdev -t $TEST_TRANSPORT -a $NVMF_FIRST_TARGET_IP \ 40 -f ipv4 -s $NVMF_PORT -n nqn.2016-06.io.spdk:cnode0 41 42# Make sure the bdev was created successfully 43$rpc_py bdev_get_bdevs -b ${nvme_bdev}n1 44 45# Make sure the reset is also asynchronous 46$rpc_py bdev_nvme_reset_controller $nvme_bdev 47 48# And that the bdev is still available after a reset 49$rpc_py bdev_get_bdevs -b ${nvme_bdev}n1 50 51# Finally, detach the controller to verify the detach path 52$rpc_py bdev_nvme_detach_controller $nvme_bdev 53 54trap - SIGINT SIGTERM EXIT 55nvmftestfini 56