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Re: [libvirt] [PATCH 05/10] qemu: Introduce activeScsiHostdevs list for scsi host devices



Il 27/04/2013 03:49, Osier Yang ha scritto:
> On 27/04/13 06:04, Paolo Bonzini wrote:
>> Il 26/04/2013 22:15, Osier Yang ha scritto:
>>> From: Han Cheng <hanc fnst cn fujitsu com>
>>>
>>> Although virtio-scsi supports SCSI PR, the device on host may do not
>>> support it. To avoid losing data, we only allow one scsi hostdev to
>>> be passthroughed to one live guest, Just like what we do for PCI
>>> and USB devices.
>>>
>>> Signed-off-by: Han Cheng <hanc fnst cn fujitsu com>
>>>
>>> ---
>>> v2.5 - v3:
>>>    * Small changes, mainly on errors & coding style
>> I think this restriction should be limited to devices that do not have a
>> <shareable/> element, similar to disks.  I created BZ957292 for this.
> Right, I should  use PATCH 0/n in the cover letter to indicate there
> are still patches left..  They are in hand, but not good tested. Will
> send them later & took the bug.
> 
> By the way, is there other -drive property which is nice to have for
> scsi-generic?  Except the readonly.. (discard, serial, werror/rerror,
> and cache, I don't see other useful properties for scsi-generic)?

discard/serial/cache are not supported.  rerror and werror are but they
will be.

Paolo


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