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

[Anthony Liguori <anthony@codemonkey.ws>]

On 01/13/2012 03:49 PM, Ryan Harper 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<ryanh@us.ibm.com>

Applied.  Thanks.

Regards,

Anthony Liguori

> ---
>   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
> +}
> +
> +if test $QEMU_TEST; then
> +    in_host
> +else
> +    in_guest
> +fi