Re: [Qemu-devel] [PULL 18/33] vhost-user-scsi: Introduce vhost-user-scsi host device

[Felipe Franciosi]

> On 7 Jun 2017, at 16:37, Peter Maydell <address@hidden> wrote:
> 
> On 7 June 2017 at 16:28, Paolo Bonzini <address@hidden> wrote:
>> From: Felipe Franciosi <address@hidden>
>> 
>> This commit introduces a vhost-user device for SCSI. This is based
>> on the existing vhost-scsi implementation, but done over vhost-user
>> instead. It also uses a chardev to connect to the backend. Unlike
>> vhost-scsi (today), VMs using vhost-user-scsi can be live migrated.
>> 
>> To use it, start Qemu with a command line equivalent to:
>> 
>> qemu-system-x86_64 \
>>       -chardev socket,id=vus0,path=/tmp/vus.sock \
>>       -device vhost-user-scsi-pci,chardev=vus0,bus=pci.0,addr=...
>> 
>> A separate commit presents a sample application linked with libiscsi to
>> provide a backend for vhost-user-scsi.
>> 
>> Signed-off-by: Felipe Franciosi <address@hidden>
>> Message-Id: <address@hidden>
>> [Disable migration for now, since it does not support bdrv_drain. - Paolo]
> 
> I was expecting this to mean a VMStateDescription with a
> ".unmigratable = 1" field, but it doesn't seem to have one.
> Does it disable migration some other way?

Hi Peter,

vhost-user-scsi supports migration.

Thanks,
Felipe

> 
> thanks
> -- PMM