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

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.


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