Re: [RFC PATCH 00/19] xen/arm: Add ITS support

[Julien Grall <julien.grall@linaro.org>]

Hi Vijay,

On 13/03/2015 04:48, Vijay Kilari wrote:
> The changes that I envisage for supporting Multiple ITS is
>    - Generate as many number of ITS dt nodes for Dom0 that host DT contains.
>    - For DomU always generate only one ITS node
>    - vITS will register MMIO handlers for all physical ITS of Dom0, but
> vITS will only have
>      one VITS structure per domain. The limitation with this approach
> is that all vITS requests are
>      serialized even though there are more than one physical ITS. But
> this approach makes
>      implementation simple.

Each vITS will have his own command queue... How do you plan to handle 
it with only a single structure?

Can you provide an idea what the structure will look like?

Regards,

-- 
Julien Grall