Re: [Qemu-devel] [PATCH 1/1] vhost-scsi: add missing virtqueue_size parameter

[Richard W.M. Jones]

On Fri, Dec 01, 2017 at 04:15:38PM +0100, Eric Farman wrote:
> Commit 5c0919d02066 ("virtio-scsi: Add virtqueue_size parameter allowing
> virtqueue size to be set.") introduced a new parameter to virtio-scsi.
> Later, commit 920036106044 ("vhost-user-scsi: add missing virtqueue_size
> param") added that parameter to the new vhost-user-scsi interface but
> neglected the existing vhost-scsi interface it was built on.
> 
> Apply the same change to vhost-scsi, so that we can boot a guest with
> a device defined.  This also avoids crashing a guest when hotplugging
> a vhost-scsi device.
> 
> Signed-off-by: Eric Farman <address@hidden>
> ---
>  hw/scsi/vhost-scsi.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/hw/scsi/vhost-scsi.c b/hw/scsi/vhost-scsi.c
> index cd4ab05233..9c1bea8ff3 100644
> --- a/hw/scsi/vhost-scsi.c
> +++ b/hw/scsi/vhost-scsi.c
> @@ -233,6 +233,8 @@ static Property vhost_scsi_properties[] = {
>      DEFINE_PROP_STRING("wwpn", VirtIOSCSICommon, conf.wwpn),
>      DEFINE_PROP_UINT32("boot_tpgt", VirtIOSCSICommon, conf.boot_tpgt, 0),
>      DEFINE_PROP_UINT32("num_queues", VirtIOSCSICommon, conf.num_queues, 1),
> +    DEFINE_PROP_UINT32("virtqueue_size", VirtIOSCSICommon, 
> conf.virtqueue_size,
> +                       128),
>      DEFINE_PROP_UINT32("max_sectors", VirtIOSCSICommon, conf.max_sectors,
>                         0xFFFF),
>      DEFINE_PROP_UINT32("cmd_per_lun", VirtIOSCSICommon, conf.cmd_per_lun, 
> 128),

Yes, this fix is fine.  Sorry for breaking it :-/

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
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