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#!/usr/bin/env bash
testdir=$(readlink -f $(dirname $0))
rootdir=$(readlink -f $testdir/../..)
source $rootdir/test/common/autotest_common.sh
export SPDK_LIB_DIR="$rootdir/build/lib"
export DPDK_LIB_DIR="$rootdir/dpdk/build/lib"
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$SPDK_LIB_DIR:$DPDK_LIB_DIR
function insert_device() {
ssh root@$ip 'Beetle --SetGpio "$gpio" HIGH'
waitforblk $name
DRIVER_OVERRIDE=$driver $rootdir/scripts/setup.sh
}
function remove_device() {
ssh root@$ip 'Beetle --SetGpio "$gpio" LOW'
}
ip=$1
gpio=$2
driver=$3
declare -i io_time=5
declare -i kernel_hotplug_time=7
timing_enter hotplug_hw_cfg
# Configure microcontroller
ssh root@$ip 'Beetle --SetGpioDirection "$gpio" OUT'
# Get blk dev name connected to interposer
ssh root@$ip 'Beetle --SetGpio "$gpio" HIGH'
sleep $kernel_hotplug_time
$rootdir/scripts/setup.sh reset
blk_list1=$(lsblk -d --output NAME | grep "^nvme")
remove_device
sleep $kernel_hotplug_time
blk_list2=$(lsblk -d --output NAME | grep "^nvme") || true
name=${blk_list1#"$blk_list2"}
insert_device
timing_exit hotplug_hw_cfg
timing_enter hotplug_hw_test
$SPDK_EXAMPLE_DIR/hotplug -i 0 -t 100 -n 2 -r 2 2>&1 | tee -a log.txt &
example_pid=$!
trap 'killprocess $example_pid; exit 1' SIGINT SIGTERM EXIT
i=0
while ! grep "Starting I/O" log.txt; do
[ $i -lt 20 ] || break
i=$((i + 1))
sleep 1
done
if ! grep "Starting I/O" log.txt; then
return 1
fi
# Add and remove NVMe with delays between to give some time for IO to proceed
remove_device
sleep $io_time
insert_device
sleep $io_time
remove_device
sleep $io_time
insert_device
sleep $io_time
timing_enter wait_for_example
wait $example_pid
timing_exit wait_for_example
trap - SIGINT SIGTERM EXIT
timing_exit hotplug_hw_test
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