test: Add autotest for hotplug.

Change-Id: I5822c36a7374b680a3b213b8768afd834daf59d9
Signed-off-by: Cunyin Chang <cunyin.chang@intel.com>

autotest.sh

@@ -79,6 +79,7 @@ run_test test/lib/bdev/blockdev.sh
 run_test test/lib/event/event.sh
 run_test test/lib/nvme/nvme.sh
 if [ $RUN_NIGHTLY -eq 1 ]; then
+	run_test test/lib/nvme/hotplug.sh intel
 	run_test test/lib/nvme/nvmemp.sh
 fi
 run_test test/lib/nvmf/nvmf.sh

scripts/autotest_common.sh

@@ -189,7 +189,7 @@ function run_test() {
 	echo "START TEST $1"
 	echo "************************************"
 	set -x
-	time $1
+	time "$@"
 	set +x
 	echo "************************************"
 	echo "END TEST $1"

test/lib/nvme/hotplug.sh

@@ -0,0 +1,127 @@
+#!/usr/bin/env bash
+
+set -xe
+
+testdir=$(readlink -f $(dirname $0))
+rootdir="$testdir/../../.."
+source $rootdir/scripts/autotest_common.sh
+
+function ssh_vm() {
+	sshpass -p "$password" ssh -o PubkeyAuthentication=no -p 10022 root@localhost "$@"
+}
+
+function monitor_cmd() {
+	rc=0
+	if ! (echo "$@" | nc localhost 4444 > mon.log); then
+		rc=1
+		cat mon.log
+	fi
+	rm mon.log
+	return $rc
+}
+
+function devices_initialization() {
+	timing_enter devices_initialization
+	dd if=/dev/zero of=/root/test0 bs=1M count=1024
+	dd if=/dev/zero of=/root/test1 bs=1M count=1024
+	dd if=/dev/zero of=/root/test2 bs=1M count=1024
+	dd if=/dev/zero of=/root/test3 bs=1M count=1024
+	monitor_cmd "drive_add 0 file=/root/test0,format=raw,id=drive0,if=none"
+	monitor_cmd "drive_add 1 file=/root/test1,format=raw,id=drive1,if=none"
+	monitor_cmd "drive_add 2 file=/root/test2,format=raw,id=drive2,if=none"
+	monitor_cmd "drive_add 3 file=/root/test3,format=raw,id=drive3,if=none"
+	timing_exit devices_initialization
+}
+
+function insert_devices() {
+	monitor_cmd "device_add nvme,drive=drive0,id=nvme0,serial=nvme0"
+	monitor_cmd "device_add nvme,drive=drive1,id=nvme1,serial=nvme1"
+	monitor_cmd "device_add nvme,drive=drive2,id=nvme2,serial=nvme2"
+	monitor_cmd "device_add nvme,drive=drive3,id=nvme3,serial=nvme3"
+	ssh_vm "scripts/setup.sh"
+}
+
+function remove_devices() {
+	monitor_cmd "device_del nvme0"
+	monitor_cmd "device_del nvme1"
+	monitor_cmd "device_del nvme2"
+	monitor_cmd "device_del nvme3"
+}
+
+function devices_delete() {
+	timing_enter devices_delete
+	rm /root/test0
+	rm /root/test1
+	rm /root/test2
+	rm /root/test3
+	timing_exit devices_delete
+}
+
+password=$1
+base_img=/home/sys_sgsw/fedora24.img
+test_img=/home/sys_sgsw/fedora24_test.img
+qemu_pidfile=/home/sys_sgsw/qemupid
+
+if [ ! -e "$base_img" ]; then
+	echo "Hotplug VM image not found; skipping test"
+	exit 0
+fi
+
+timing_enter hotplug
+
+timing_enter start_qemu
+
+qemu-img create -b "$base_img" -f qcow2 "$test_img"
+
+qemu-system-x86_64 \
+	-daemonize -display none -m 1024 \
+	-pidfile "$qemu_pidfile" \
+	-hda "$test_img" \
+	-net user,hostfwd=tcp::10022-:22 \
+	-net nic \
+	-cpu host \
+	-smp cores=16,sockets=1 \
+	--enable-kvm \
+	-chardev socket,id=mon0,host=localhost,port=4444,server,nowait \
+	-mon chardev=mon0,mode=readline
+
+timing_exit start_qemu
+
+timing_enter wait_for_vm
+ssh_vm 'echo ready'
+timing_exit wait_for_vm
+
+timing_enter copy_repo
+(cd "$rootdir"; tar -cf - .) | (ssh_vm 'tar -xf -')
+timing_exit copy_repo
+
+devices_initialization
+insert_devices
+
+timing_enter hotplug_test
+
+ssh_vm "examples/nvme/hotplug/hotplug -t 10 -i 4 -r 8" &
+example_pid=$!
+
+sleep 2
+remove_devices
+sleep 2
+insert_devices
+sleep 2
+remove_devices
+devices_delete
+
+timing_enter wait_for_example
+wait $example_pid
+timing_exit wait_for_example
+
+trap - SIGINT SIGTERM EXIT
+
+qemupid=`cat "$qemu_pidfile" | awk '{printf $0}'`
+kill -9 $qemupid
+rm "$qemu_pidfile"
+rm "$test_img"
+
+timing_exit hotplug_test
+
+timing_exit hotplug