Re: [PATCH v3 7/7] xen/arm: Add capabilities to dom0less

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

On Thu, 3 Apr 2025, Jason Andryuk wrote:
> Add a capabilities property to dom0less to allow building a
> disaggregated system.  Only a single hardware domain and single xenstore
> domain can be specified.  Multiple control domains are possible.
> 
> Introduce bootfdt.h to contain these constants.
> 
> When using the hardware or xenstore capabilities, adjust the grant and
> event channel limits similar to dom0.
> 
> For a hardware domain, disallow specifying "vpl011", "nr_spis",
> "multiboot,device-tree" and "passthrough" nodes.  Also, require an IOMMU
> when not direct-mapped,
> 
> Signed-off-by: Jason Andryuk <jason.andryuk@xxxxxxx>

Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>