Re: [Qemu-devel] [PATCH] Add virtio-blk-drive-serial test

[Zhi Yong Wu]

On Sat, Jan 14, 2012 at 9:03 AM, Zhi Yong Wu <address@hidden> wrote:
> On Sat, Jan 14, 2012 at 5:49 AM, Ryan Harper <address@hidden> wrote:
>> We can test out the virtio-blk drive serial number by generating and then
>> reading it back via the file in sysfs.
>>
>> Signed-off-by: Ryan Harper <address@hidden>
>> ---
>>  tests/virtio-blk-drive-serial.sh |   40 
>> ++++++++++++++++++++++++++++++++++++++
>>  1 files changed, 40 insertions(+), 0 deletions(-)
>>  create mode 100755 tests/virtio-blk-drive-serial.sh
>>
>> diff --git a/tests/virtio-blk-drive-serial.sh 
>> b/tests/virtio-blk-drive-serial.sh
>> new file mode 100755
>> index 0000000..0586f97
>> --- /dev/null
>> +++ b/tests/virtio-blk-drive-serial.sh
>> @@ -0,0 +1,40 @@
>> +#!/bin/sh
>> +
>> +serial="0123456789abcdefghi"
>> +
>> +in_host() {
>> +    tmpdisk=$tmpdir/disk.img
>> +    qemu-img create -f qcow2 $tmpdisk 10G
>> +
>> +    qemu -nographic -enable-kvm \
>> +    -drive 
>> file=$tmpdisk,if=none,id=drive-virtio-disk0,format=raw,cache=none,serial=$serial
>>  \
>> +    -device 
>> virtio-blk-pci,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,id=virtio-disk0
>> +    rc=$?
>> +
>> +    rm $tmpdisk
>> +    return $rc
>> +}
>> +
>> +in_guest() {
>> +    sysfspath=/sys/block/vda
>> +    if ! test -e $sysfspath; then
>> +    echo "Device not visible!"
>> +    return 1
>> +    fi
>> +
>> +    guest_serial=`cat $sysfspath/serial`
>> +
>> +    if test "$guest_serial" != "$serial"; then
>> +    echo "drive has wrong serial!"
>> +    echo "Expected '$serial', got '$guest_serial'"
>> +    return 2
>> +    fi
>> +
>> +    return 0
>> +}
> How will you make in_guest() run in that guest system?
>From the code below, i guess that qtest framework make sure it.
>> +
>> +if test $QEMU_TEST; then
>> +    in_host
>> +else
>> +    in_guest
>> +fi
>> --
>> 1.7.6
>>
>>
>
>
>
> --
> Regards,
>
> Zhi Yong Wu



-- 
Regards,

Zhi Yong Wu