Re: [PATCH v5 3/5] libxl: add support for vscsi

["Jürgen Groß" <jgross@suse.com>]

On 05/13/2015 07:31 PM, Olaf Hering wrote:
> On Wed, May 13, Ian Campbell wrote:
>> Is it important/useful that the user be able to configure/control the
>> number (and addresses) of the buses themselves and which devices are on
>> which, or can we get away with the pvpci model where the libxl user just
>> gives the individual devices and the library internally takes care of
>> what buses need to be created?
>
> I do not know if its important for users of vscsi to build a bus with
> several devices. Giving each device its own bus would work as well,
> which would turn the whole thing into ordinary devices from libxl POV.
>
> No idea where the initial idea came from. Even if the feature-host thing
> is used, the raw passthrough of SCSI commands would continue to work.

Are you talking about single LUNs or only targets?

Multi-LUN devices do exist and they are required to be presented as
those to the guest.


Juergen