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 19nvmftestinit 20nvmfappstart -m 0x1 21 22# First create a null bdev and expose it over NVMeoF 23$rpc_py nvmf_create_transport $NVMF_TRANSPORT_OPTS 24$rpc_py bdev_null_create $null_bdev $null_bdev_size $null_block_size 25$rpc_py bdev_wait_for_examine 26$rpc_py nvmf_create_subsystem nqn.2016-06.io.spdk:cnode0 -a 27$rpc_py nvmf_subsystem_add_ns nqn.2016-06.io.spdk:cnode0 $null_bdev -g $nguid 28$rpc_py nvmf_subsystem_add_listener nqn.2016-06.io.spdk:cnode0 -t $TEST_TRANSPORT \ 29 -a $NVMF_FIRST_TARGET_IP -s $NVMF_PORT 30 31# Then attach NVMe bdev by connecting back to itself, with the target app running on a single core. 32# This verifies that the initialization is completely asynchronous, as each blocking call would 33# stall the application. 34$rpc_py bdev_nvme_attach_controller -b $nvme_bdev -t $TEST_TRANSPORT -a $NVMF_FIRST_TARGET_IP \ 35 -f ipv4 -s $NVMF_PORT -n nqn.2016-06.io.spdk:cnode0 36 37# Make sure the bdev was created successfully 38$rpc_py bdev_get_bdevs -b ${nvme_bdev}n1 39 40# Make sure the reset is also asynchronous 41$rpc_py bdev_nvme_reset_controller $nvme_bdev 42 43# And that the bdev is still available after a reset 44$rpc_py bdev_get_bdevs -b ${nvme_bdev}n1 45 46# Finally, detach the controller to verify the detach path 47$rpc_py bdev_nvme_detach_controller $nvme_bdev 48 49trap - SIGINT SIGTERM EXIT 50nvmftestfini 51