Re: [Xen-devel] [RFC] scf: SCF device tree and configuration documentation

[Julien Grall <julien.grall@xxxxxxx>]

On 05/10/2017 04:30 PM, Andrii Anisov wrote:
> Julien,
Hi Andrii,

> On 05.05.17 20:51, Julien Grall wrote:
>
> > The code is not set in stone. It can be reworked to avoid that.
> Yep.
> I would like to not introduce changes related to dtb into
> libxl_create.c, keep as much as possible in libxl_arm.c . The only
> common data structure between libxl__arch_domain_prepare_config() and
> libxl__arch_domain_create() is an autogenerated libxl_domain_config
> structure.
> The option I see now is to introduce kind of auto type "File" which will
> read and manage file blob within libxl_domain_config structure.
> Honestly, I do not like this option. Any suggestions?
I don't know much the toolstack, I will leave Ian and Wei commenting on 
this.
> > So I still don't understand why you want to use a device tree between
> > the toolstack and the hypervisor.
> It has a functional (except vgic settings) implementation now.
> But as you said the code is not set in stone. I'm here to hear your
> valuable opinion, discuss options and see what ideas will come up.
Have you tried to define an interface using C structure? If not, my 
suggestion would be to first do that so we can discuss on other alternative.
This could be part of a new version of the design document to get all 
the context.
Cheers,

--
Julien Grall

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